Title: £410 Cheap Flights from Porto to San Diego (OPO to SAN) - Expedia.co.uk ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/3073/476a7863-1b66-47b5-9758-1dc7b3787493.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £410 Cheap Flights from Porto (OPO) to San Diego (SAN) [View £410 flight on Tue, 9 Dec 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:OPO,to:SAN,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:409.20&airProductToken=AQqcAQoyCMKCARIENzExMxjucyCMGCj0nf8CMMSe_wI4T0AAWAFqBU5PQkFHcglPTE41QzVCV1AKMgjCggESBDQyNzEYjBggrhwo-57_AjDOo_8COE9AAVgBagVOT0JBR3IJT0xONUM1QldQCjIIwoIBEgQ1MzA1GK4cIJJoKKql_wIwvaf_AjhPQAFYAWoFTk9CQUdyCU9MTjVDNUJXUBIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) - [Return](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Porto Airport (OPO) to San Diego Intl. Airport (SAN) - ![British Airways](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![Iberia](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_IB.svg) Iberia [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![Lufthansa](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Brussels Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_SN.svg) Brussels Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"SN"}}]) - ![TAP Portugal](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TP.svg) TAP Portugal [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TP"}}]) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.co.uk/Flights-Search?leg1=from:opo,to:san,departure:29/09/2025TANYT&leg2=from:san,to:opo,departure:06/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ## Plan, book, fly with confidence - ### Be in the know Get alerts if flight prices drop or rise\* - ### Book smarter Save up to 25% on select hotels after you book a flight\* - ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap Flights from Porto (OPO) to San Diego (SAN) Prices were available within the past 7 days and start at £410 for one-way flights and £601 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 27 Oct - Tue, 9 Dec OPO Porto SAN San Diego £601 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:27/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:600.50&airProductToken=AQqZAQoxCMKCARIENzEyNBjucyCMGCj4v_sCMMjA-wI4T0AAWAFqBU5PQkFHcghPTE43VDhCVwoxCMKCARIEMTYwNhiMGCDvWSifx_sCMJjL-wI4T0ABWAFqBU5PQkFHcghPTE43VDhCVwoxCMKCARIENjU4NRjvWSCSaCiL1vsCMOHY-wI4T0ABWAFqBU5PQkFHcghPTE43VDhCVwqaAQoyCMKCARIENTU1MRiSaCCjsQEomaH_AjDUov8COE9AAFgBagVOT0JBR3IIT0xON1Q4QlcKMgjCggESBDQyOTYYo7EBIIwYKKuj_wIw26f_AjhPQAFYAWoFTk9CQUdyCE9MTjdUOEJXCjAIyYQBEgM1NDMYjBgg7nMonKj_AjDsqP8COE9AAVgBagVOT0JBR3IIT0xON1Q4QlcSCggCEAEYAioCQkEYASIECAEQASgCKAMoBDAB) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 27 Oct - Tue, 9 Dec OPO Porto SAN San Diego £601 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:27/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:600.50&airProductToken=AQqZAQoxCMKCARIENzEyNBjucyCMGCj4v_sCMMjA-wI4T0AAWAFqBU5PQkFHcghPTE43VDhCVwoxCMKCARIEMTYwNhiMGCDvWSifx_sCMJjL-wI4T0ABWAFqBU5PQkFHcghPTE43VDhCVwoxCMKCARIENjU4NRjvWSCSaCiL1vsCMOHY-wI4T0ABWAFqBU5PQkFHcghPTE43VDhCVwqbAQoyCMKCARIENTU1MRiSaCCjsQEomaH_AjDUov8COE9AAFgBagVOT0JBR3IIT0xON1Q4QlcKMgjCggESBDQyOTYYo7EBIIwYKKuj_wIw26f_AjhPQAFYAWoFTk9CQUdyCE9MTjdUOEJXCjEIwoIBEgQ3MDk4GIwYIO5zKJyo_wIw7Kj_AjhPQAFYAWoFTk9CQUdyCE9MTjdUOEJXEgoIAhABGAIqAkJBGAEiBAgBEAEoAigDKAQwAQ) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Fri, 31 Oct - Tue, 9 Dec OPO Porto SAN San Diego £699 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:31/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:698.80&airProductToken=AQqbAQoxCMGGARIEOTIzMRjucyClBCiI5vsCMK3n-wI4U0AAWAFqBUJBU0lDcghTTEozRFhCUQoyCMGGARIEOTEwNRilBCCYzgEomOn7AjCb7fsCOFNAAVgBagVCQVNJQ3IIU0xKM0RYQlEKMgjBhgESBDEwOTMYmM4BIJJoKMz0-wIwnvf7AjhTQAFYAWoFQkFTSUNyCFNMSjNEWEJRCpoBCjIIwYYBEgQxMDk0GJJoIJjOASjJo_8CMOyl_wI4S0AAWAFqBUJBU0lDcghLTFQ2UERCUQoxCMGGARIDODM2GJjOASCMFSjtsP8CMNK0_wI4S0ABWAFqBUJBU0lDcghLTFQ2UERCUQoxCMGGARIEOTI2MBiMFSDucyistf8CMNu2_wI4S0ABWAFqBUJBU0lDcghLTFQ2UERCURIKCAIQARgCKgJBQxgBIgQIARABKAIoAygEMAE) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Fri, 31 Oct - Tue, 9 Dec OPO Porto SAN San Diego £705 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:31/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:704.50&airProductToken=AQqYAQoxCMmEARIDNTUwGO5zIIwYKPjs-wIwyO37AjhPQABYAWoGT1BUSU1BcghPTE43VDhNNAoxCMmEARIDMzI1GIwYIKlRKN31-wIw7_n7AjhPQAFYAWoGT1BUSU1BcghPTE43VDhNNAowCMJsEgMyODkYqVEgkmgoxYD8AjC_g_wCOFBAAVgBagZPUFRJTUFyCE9MTjdUOE00CpQBCjAIwoIBEgQ1NTUxGJJoIKOxASiZof8CMNSi_wI4T0AAWAFqA0JBR3IIT0xON1Q4TTQKMAjCggESBDQyOTYYo7EBIIwYKKuj_wIw26f_AjhPQAFYAWoDQkFHcghPTE43VDhNNAouCMmEARIDNTQzGIwYIO5zKJyo_wIw7Kj_AjhPQAFYAWoDQkFHcghPTE43VDhNNBIKCAIQARgCKgJJQhgBIgQIARABKAIoAygEMAE) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Fri, 31 Oct - Tue, 9 Dec OPO Porto SAN San Diego £706 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:31/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:705.30&airProductToken=AQqfAQozCMmEARIDNTUwGO5zIIwYKPjs-wIwyO37AjhRQABYAWoIRUNMQVNTSUNyCFFMTjdUOE00CjQIwbIBEgQzNzcxGIwYIKlRKJjz-wIw_fb7AjhRQAFYAWoIRUNMQVNTSUNyCFFMTjdUOE00CjIIwaYBEgIyNRipUSCSaCiL-PsCMIj7-wI4UUABWAFqCEVDTEFTU0lDcghRTE43VDhNNAqcAQozCMmEARIEODAxMhiSaCCjsQEo16D_AjCXov8COE9AAFgBagZPUFRJTUFyCE9MTjdUOE00CjIIyYQBEgMzNjQYo7EBIIwYKKuj_wIw26f_AjhPQAFYAWoGT1BUSU1BcghPTE43VDhNNAoxCMmEARIDNTQzGIwYIO5zKJyo_wIw7Kj_AjhPQAFYAWoGT1BUSU1BcghPTE43VDhNNBIKCAIQARgCKgJBWRgBIgQIARABKAIoAygEMAE) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Fri, 31 Oct - Tue, 9 Dec OPO Porto SAN San Diego £709 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:31/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:708.80&airProductToken=AQqYAQoxCMmEARIDNTUwGO5zIIwYKPjs-wIwyO37AjhPQABYAWoGT1BUSU1BcghPTE43VDhNNAoxCMmEARIDMzI1GIwYIKlRKN31-wIw7_n7AjhPQAFYAWoGT1BUSU1BcghPTE43VDhNNAowCMJsEgMyODkYqVEgkmgoxYD8AjC_g_wCOFBAAVgBagZPUFRJTUFyCE9MTjdUOE00CqEBCjQIwaYBEgQxNDQ2GJJoIK4cKMCh_wIwuaP_AjhPQABYAWoIRUNMQVNTSUNyCE9MTjdUOE00CjQIwbIBEgQ1NjYwGK4cIIwYKNWk_wIwv6j_AjhPQAFYAWoIRUNMQVNTSUNyCE9MTjdUOE00CjMIyYQBEgM1NDkYjBgg7nMogK7_AjDQrv8COE9AAVgBaghFQ0xBU1NJQ3IIT0xON1Q4TTQSCggCEAEYAioCSUIYASIECAEQASgCKAMoBDAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Mon, 17 Nov - Thu, 20 Nov OPO Porto SAN San Diego £711 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:17/11/2025TANYT&leg2=from:SAN,to:OPO,departure:20/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:710.10&airProductToken=AQqhAQo0CMyQARIEMTE4MRjucyClBCiopf0CMM2m_QI4VEAAWAFqCEVDT0xJR0hUcghUTFEzRFhCUQozCMyQARIDNDMwGKUEIK4cKI6n_QIwvqv9AjhUQAFYAWoIRUNPTElHSFRyCFRMUTNEWEJRCjQIzJABEgQ5MzQwGK4cIJJoKPys_QIwiq_9AjhUQAFYAWoIRUNPTElHSFRyCFRMUTNEWEJRCqEBCjQIzJABEgQ3ODkzGJJoIINpKKjN_QIwvM79AjhUQABYAWoIRUNPTElHSFRyCFRMUTNEWEJRCjMIzJABEgM0ODEYg2kgjBUomM_9AjDX0_0COFRAAVgBaghFQ09MSUdIVHIIVExRM0RYQlEKNAjMkAESBDE3ODIYjBUg7nMok9T9AjDC1f0COFRAAVgBaghFQ09MSUdIVHIIVExRM0RYQlESCggCEAEYAioCTEgYASIECAEQASgCKAMoBDAL) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Mon, 27 Oct - Tue, 9 Dec OPO Porto SAN San Diego £717 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:27/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:716.04&airProductToken=AQqZAQowCMmEARIDNTUwGO5zIIwYKPi_-wIwyMD7AjhWQABYAWoFQkFTSUNyCFZMTjBDMkJXCjEIyYQBEgM3MTMYjBgg64kBKNDE-wIw68X7AjhWQAFYAWoFQkFTSUNyCFZMTjBDMkJXCjIIyYQBEgQzNjE2GOuJASCSaCjCx_sCMOrM-wI4VkABWAFqBUJBU0lDcghWTE4wQzJCVwqZAQoyCMmEARIEODAxMhiSaCCjsQEo16D_AjCXov8COE9AAFgBagVCQVNJQ3IIT0xON1Q4QlcKMQjJhAESAzM2NBijsQEgjBgoq6P_AjDbp_8COE9AAVgBagVCQVNJQ3IIT0xON1Q4QlcKMAjJhAESAzU0MxiMGCDucyicqP8CMOyo_wI4T0ABWAFqBUJBU0lDcghPTE43VDhCVxIKCAIQARgCKgJJQhgBIgQIARABKAIoAygEMA0) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Mon, 27 Oct - Tue, 9 Dec OPO Porto SAN San Diego £717 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:27/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:717.00&airProductToken=AQqTAQovCMKCARIENzEyNBjucyCMGCj4v_sCMMjA-wI4T0AAWAFqA0JBR3IIT0xON1Q4TTQKLwjCggESBDE2MDYYjBgg71kon8f7AjCYy_sCOE9AAVgBagNCQUdyCE9MTjdUOE00Ci8IwoIBEgQ2NTg1GO9ZIJJoKIvW-wIw4dj7AjhPQAFYAWoDQkFHcghPTE43VDhNNAqaAQowCMJsEgMyOTAYkmggqVEopaT_AjDipv8COFNAAFgBagZPUFRJTUFyCFFMTjdUOE00CjIIyYQBEgQyNjI4GKlRIMFoKL2n_wIwhKv_AjhRQAFYAWoGT1BUSU1BcghRTE43VDhNNAoyCMmEARIENTEwMhjBaCDucyitrv8CMJuv_wI4UUABWAFqBk9QVElNQXIIUUxON1Q4TTQSCggCEAEYAioCQkEYASIECAEQASgCKAMoBDAB) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 31 Oct - Tue, 9 Dec OPO Porto SAN San Diego £718 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:SAN,departure:31/10/2025TANYT&leg2=from:SAN,to:OPO,departure:09/12/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:718.00&airProductToken=AQqaAQoyCMuYARIEMTU3MBjucyCAkwEopub7AjDG5_sCOExAAFgBagVMSUdIVHIIUllMNlRCTEEKMQjLmAESAzY0MRiAkwEgqVEojun7AjD97PsCOFJAAVgBagVMSUdIVHIIUllMNlRCTEEKMQjLmAESBDc2NjUYqVEgkmgo3e77AjDX8fsCOFJAAVgBagVMSUdIVHIIUllMNlRCTEEKmwEKMgjLmAESBDc0MjUYkmgg47QBKJih_wIwoaP_AjhSQABYAWoFTElHSFRyCFJZTDZUQkxBCjIIy5gBEgQ2MTYxGOO0ASDiMCjzpP8CMM6o_wI4UkABWAFqBUxJR0hUcghSWUw2VEJMQQoxCMuYARIEMjI4MhjiMCDucyiPqf8CMJaq_wI4TEABWAFqBUxJR0hUcghSWUw2VEJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ## Find the cheapest month to fly from Porto (OPO) to San Diego (SAN) ### February is typically the cheapest month to fly From £525 - £666 per traveller. Flight from Porto to San Diego route information | Origin airport | Dr. Francisco de Sa Carneiro | | --- | --- | | Destination airport | San Diego Intl. | | Return price | £600 | | Distance | 8960 km | ## Compare flights from Porto to San Diego easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from Porto to San Diego. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dr. Francisco de Sa Carneiro to San Diego Intl..   To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights.  Grab a great deal on your flight from Dr. Francisco de Sa Carneiro (OPO) to San Diego Intl. (SAN) The easiest way to view the best deals on flights from Porto to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dr. Francisco de Sa Carneiro to San Diego Intl. start at just £601 and range up to £718.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near Porto and San Diego - booking your flight during October, the cheapest month on this route - varying your flight times – early morning and late at night are sometimes cheaper  Why you should book your Porto to San Diego flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dr. Francisco de Sa Carneiro to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.   Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.   ## Frequently asked questions ### How much is a flight from Dr. Francisco de Sa Carneiro Airport (OPO) to San Diego Intl. Airport (SAN)? > Start packing your bags, because round-trip journeys between Dr. Francisco de Sa Carneiro Airport (OPO) and San Diego Airport start from £601. That's based on airfares available within the last 7 days on Expedia for flights departing within the next year. Prices can go up quickly, so book now to nab the best deal. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Porto Airport to San Diego Intl. Airport (SAN)? > Most flights can be cancelled online, but every airline has different terms and conditions. If you do have to cancel your flight, go to our [Customer Service Portal](https://www.expedia.co.uk/service/?langid=1033) and follow the instructions. ### How do I find cheap flights from Porto Airport to San Diego Airport that have flexible change policies? > Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Porto Airport to San Diego Intl. Airport (SAN) flights, you'll see a "no change fees" filter for you to select. ### How far is the flight from Porto Airport to San Diego Intl. Airport (SAN)? > You'll have 9,000 kilometres to cover on the long-haul Maia to San Diego route. Wear layers of comfortable clothes and consider taking earplugs and a sleep mask. ### Which airlines fly direct from Dr. Francisco de Sa Carneiro Airport (OPO) to San Diego Airport? > You won't find any airlines flying directly between OPO and San Diego Intl. Airport (SAN), so be prepared to make at least one stop on your journey. A layover can be a nice way to break up a trip! ### Are OPO to San Diego Intl. Airport (SAN) flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so not always. While last-minute deals between Porto Airport and San Diego Intl. Airport (SAN) are of course possible, it's also a good idea to keep an eye on prices well before you fly. In fact, some air carriers publish their prices up to a year prior to the departure date. Expedia is continuously updating the biggest bargains around, so check back often and be ready to lock in your seat when the price dips. ## Explore a world of travel with Expedia - Trending Routes - Trending Flights - Top Flights Destinations - Related Airlines - Cheap Flights from Other Airports - Expedia's Latest Trends ### Top Routes from Porto - [Porto to Bristol (OPO - BRS)](https://expedia.co.uk/lp/flights/opo/brs/porto-to-bristol) - [Porto to London (OPO - LCY)](https://expedia.co.uk/lp/flights/opo/lcy/porto-to-london) - [Porto to Rio de Janeiro (OPO - GIG)](https://expedia.co.uk/lp/flights/opo/gig/porto-to-rio-de-janeiro) - [Porto to London (OPO - LTN)](https://expedia.co.uk/lp/flights/opo/ltn/porto-to-london) - [Porto to Amsterdam (OPO - AMS)](https://expedia.co.uk/lp/flights/opo/ams/porto-to-amsterdam) - [Porto to Edinburgh (OPO - EDI)](https://expedia.co.uk/lp/flights/opo/edi/porto-to-edinburgh) - [Porto to São Paulo (OPO - GRU)](https://expedia.co.uk/lp/flights/opo/gru/porto-to-sao-paulo) - [Porto to London (OPO - STN)](https://expedia.co.uk/lp/flights/opo/stn/porto-to-london) - [Porto to Barcelona (OPO - BCN)](https://expedia.co.uk/lp/flights/opo/bcn/porto-to-barcelona) - [Porto to Madrid (OPO - MAD)](https://expedia.co.uk/lp/flights/opo/mad/porto-to-madrid) - [Porto to Birmingham (OPO - BHX)](https://expedia.co.uk/lp/flights/opo/bhx/porto-to-birmingham) - [Porto to Rome (OPO - FCO)](https://expedia.co.uk/lp/flights/opo/fco/porto-to-rome) ### Top Routes to San Diego - [Exeter to San Diego (EXT - SAN)](https://expedia.co.uk/lp/flights/ext/san/exeter-to-san-diego) - [Londonderry to San Diego (LDY - SAN)](https://expedia.co.uk/lp/flights/ldy/san/londonderry-to-san-diego) - [Norwich to San Diego (NWI - SAN)](https://expedia.co.uk/lp/flights/nwi/san/norwich-to-san-diego) - [Bristol to San Diego (BRS - SAN)](https://expedia.co.uk/lp/flights/brs/san/bristol-to-san-diego) - [London to San Diego (LCY - SAN)](https://expedia.co.uk/lp/flights/lcy/san/london-to-san-diego) - [Leeds to San Diego (LBA - SAN)](https://expedia.co.uk/lp/flights/lba/san/leeds-to-san-diego) - [Edinburgh to San Diego (EDI - SAN)](https://expedia.co.uk/lp/flights/edi/san/edinburgh-to-san-diego) - [Hull to San Diego (HUY - SAN)](https://expedia.co.uk/lp/flights/huy/san/hull-to-san-diego) - [Inverness to San Diego (INV - SAN)](https://expedia.co.uk/lp/flights/inv/san/inverness-to-san-diego) - [Birmingham to San Diego (BHX - SAN)](https://expedia.co.uk/lp/flights/bhx/san/birmingham-to-san-diego) - [Newcastle to San Diego (NCL - SAN)](https://expedia.co.uk/lp/flights/ncl/san/newcastle-to-san-diego) - [London to San Diego (LHR - SAN)](https://expedia.co.uk/lp/flights/lhr/san/london-to-san-diego) ### Top Routes from Porto - [easyJet Porto to London](https://expedia.co.uk/lp/flight-routes/easyjet-from-dr-francisco-de-sa-carneiro-to-luton/u2/opo/ltn) ### Top Routes to San Diego - [British Airways Lerwick to San Diego](https://expedia.co.uk/lp/flight-routes/british-airways-from-sumburgh-to-san-diego-intl/ba/lsi/san) - [KLM Durham to San Diego](https://expedia.co.uk/lp/flight-routes/klm-from-teesside-intl-to-san-diego-intl/kl/mme/san) - [Air France Leeds to San Diego](https://expedia.co.uk/lp/flight-routes/air-france-from-leeds-bradford-to-san-diego-intl/af/lba/san) - [British Airways Edinburgh to San Diego](https://expedia.co.uk/lp/flight-routes/british-airways-from-edinburgh-to-san-diego-intl/ba/edi/san) - [KLM Birmingham to San Diego](https://expedia.co.uk/lp/flight-routes/klm-from-birmingham-to-san-diego-intl/kl/bhx/san) - [British Airways Newcastle to San Diego](https://expedia.co.uk/lp/flight-routes/british-airways-from-newcastle-intl-to-san-diego-intl/ba/ncl/san) - [British Airways London to San Diego](https://expedia.co.uk/lp/flight-routes/british-airways-from-heathrow-to-san-diego-intl/ba/lhr/san) ### Top Flight Destinations - [Flights to Las Vegas](https://expedia.co.uk/Cheap-Flights-To-Las-Vegas.d178276.Travel-Guide-Flights) - [Flights to New York](https://expedia.co.uk/Cheap-Flights-To-New-York.d178293.Travel-Guide-Flights) - [Flights to Orlando](https://expedia.co.uk/Cheap-Flights-To-Orlando.d178294.Travel-Guide-Flights) - [Flights to Chicago](https://expedia.co.uk/Cheap-Flights-To-Chicago.d178248.Travel-Guide-Flights) - [Flights to San Diego](https://expedia.co.uk/Cheap-Flights-To-San-Diego.d3073.Travel-Guide-Flights) - [Flights to San Francisco](https://expedia.co.uk/Cheap-Flights-To-San-Francisco.d178305.Travel-Guide-Flights) - [Flights to Los Angeles](https://expedia.co.uk/Cheap-Flights-To-Los-Angeles.d178280.Travel-Guide-Flights) - [Flights to Boston](https://expedia.co.uk/Cheap-Flights-To-Boston.d178239.Travel-Guide-Flights) - [Flights to Miami](https://expedia.co.uk/Cheap-Flights-To-Miami.d178286.Travel-Guide-Flights) - [Flights to Houston](https://expedia.co.uk/Cheap-Flights-To-Houston.d178265.Travel-Guide-Flights) - [Flights to Pigeon Forge](https://expedia.co.uk/Cheap-Flights-To-Pigeon-Forge.d8264.Travel-Guide-Flights) - [Flights to Nashville](https://expedia.co.uk/Cheap-Flights-To-Nashville.d178291.Travel-Guide-Flights) - [Flights to Myrtle Beach](https://expedia.co.uk/Cheap-Flights-To-Myrtle-Beach.d601685.Travel-Guide-Flights) - [Flights to Atlanta](https://expedia.co.uk/Cheap-Flights-To-Atlanta.d178232.Travel-Guide-Flights) - [Flights to San Antonio](https://expedia.co.uk/Cheap-Flights-To-San-Antonio.d178303.Travel-Guide-Flights) - [Flights to Denver](https://expedia.co.uk/Cheap-Flights-To-Denver.d178254.Travel-Guide-Flights) - [Flights to Honolulu](https://expedia.co.uk/Cheap-Flights-To-Honolulu.d1488.Travel-Guide-Flights) - [Flights to Gatlinburg](https://expedia.co.uk/Cheap-Flights-To-Gatlinburg.d7474.Travel-Guide-Flights) - [Flights to Panama City Beach](https://expedia.co.uk/Cheap-Flights-To-Panama-City-Beach.d8021.Travel-Guide-Flights) - [Flights to Atlantic City](https://expedia.co.uk/Cheap-Flights-To-Atlantic-City.d602179.Travel-Guide-Flights) ### Related Airlines - [TAP Portugal](https://expedia.co.uk/TAP-Portugal-Flights.cTP.Travel-Guide-Airlines) - [KLM](https://expedia.co.uk/KLM-Flights.cKL.Travel-Guide-Airlines) - [Vueling Airlines](https://expedia.co.uk/Vueling-Airlines-Flights.cVY.Travel-Guide-Airlines) - [Iberia](https://expedia.co.uk/Iberia-Flights.cIB.Travel-Guide-Airlines) - [British Airways](https://expedia.co.uk/British-Airways-Flights.cBA.Travel-Guide-Airlines) - [Air France](https://expedia.co.uk/Air-France-Flights.cAF.Travel-Guide-Airlines) - [Lufthansa](https://expedia.co.uk/Lufthansa-Flights.cLH.Travel-Guide-Airlines) - [Swiss International Air Lines](https://expedia.co.uk/Swiss-International-Air-Lines-Flights.cLX.Travel-Guide-Airlines) - [Air Europa](https://expedia.co.uk/Air-Europa-Flights.cUX.Travel-Guide-Airlines) - [Ryanair](https://expedia.co.uk/Ryanair-Flights.cFR.Travel-Guide-Airlines) - [easyJet](https://expedia.co.uk/EasyJet-Flights.cU2.Travel-Guide-Airlines) - [Brussels Airlines](https://expedia.co.uk/Brussels-Airlines-Flights.cSN.Travel-Guide-Airlines) - [Luxair](https://expedia.co.uk/Luxair-Flights.cLG.Travel-Guide-Airlines) - [SAS](https://expedia.co.uk/Scandinavian-Airlines-Flights.cSK.Travel-Guide-Airlines) - [Turkish Airlines](https://expedia.co.uk/Turkish-Airlines-Flights.cTK.Travel-Guide-Airlines) - [Eurowings](https://expedia.co.uk/Eurowings-Flights.cEW.Travel-Guide-Airlines) ### Nearby Airports - [Braganca Airport (BGC)](https://expedia.co.uk/lp/airports/bgc/flights-from-braganca-airport) - [Humberto Delgado Airport (LIS)](https://expedia.co.uk/lp/airports/lis/flights-from-humberto-delgado-airport) - [Cascais Airport (CAT)](https://expedia.co.uk/lp/airports/cat/flights-from-cascais-airport) ### Expedia's Latest Trends Flights - [Cheap Flights from London (LHR) to Los Angeles (LAX)](https://expedia.co.uk/lp/flights/lhr/lax/london-to-los-angeles) - [Cheap Flights from London (LHR) to Boston (BOS)](https://expedia.co.uk/lp/flights/lhr/bos/london-to-boston) - [Cheap Flights from London (LHR) to Cincinnati (CVG)](https://expedia.co.uk/lp/flights/lhr/cvg/london-to-cincinnati) - [Cheap Flights from London (LHR) to Seattle (SEA)](https://expedia.co.uk/lp/flights/lhr/sea/london-to-seattle) - [Cheap Flights from Boston (BOS) to London (LHR)](https://expedia.co.uk/lp/flights/bos/lhr/boston-to-london) - [Cheap Flights from London (LHR) to Philadelphia (PHL)](https://expedia.co.uk/lp/flights/lhr/phl/london-to-philadelphia) - [Cheap Flights from Manchester (MAN) to Boston (BOS)](https://expedia.co.uk/lp/flights/man/bos/manchester-to-boston) - [Cheap Flights from Las Vegas (LAS) to Los Angeles (LAX)](https://expedia.co.uk/lp/flights/las/lax/las-vegas-to-los-angeles) - [Cheap Flights from London (LHR) to Fort Lauderdale (FLL)](https://expedia.co.uk/lp/flights/lhr/fll/london-to-fort-lauderdale) - [Cheap Flights from Manchester (MAN) to Los Angeles (LAX)](https://expedia.co.uk/lp/flights/man/lax/manchester-to-los-angeles) - [Cheap Flights from London (LON) to New York (NYC)](https://expedia.co.uk/lp/flights/lon/nyc/london-to-new-york) - [Cheap Flights from Las Vegas (LAS) to San Francisco (SFO)](https://expedia.co.uk/lp/flights/las/sfo/las-vegas-to-san-francisco) - [Cheap Flights from London (LHR) to Cleveland (CLE)](https://expedia.co.uk/lp/flights/lhr/cle/london-to-cleveland) - [Cheap Flights from London (LHR) to San Jose (SJC)](https://expedia.co.uk/lp/flights/lhr/sjc/london-to-san-jose) - 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