Title: Cheap Flights to Casco - Expedia.co.uk ![Lodging Image](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/bex-affinities/lodging.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £491 Cheap Flights to Casco [View £491 flight on Fri, 6 Nov 2026](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:OPO,to:GRB,departure:06/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:490.80&airProductToken=AQqjAQowCMmEARIDNTQ0GO5zIIwYKPS0nAMwxLWcAzhPQABYAWoFQkFTSUNyCE9MTjVDNUJXCjAIyYQBEgMzNDEYjBggrhwolLacAzDnupwDOE9AAVgBagVCQVNJQ3IIT0xONUM1QlcKPQjJhAESBDgzMzAYrhwgpgwopL6cAzDovpwDOE9AAVgBagVCQVNJQ3IIT0xONUM1Qld6CgjBggESBDgzMzASCggCEAEYAioCSUIYASIECAEQASgCKAMoBDAN) [Hotels in Casco](https://expedia.co.uk/Casco-Hotels.d553248634983088146.Travel-Guide-Hotels)[Casco Car Hire](https://expedia.co.uk/Compare-Cheap-Car-Hire-In-Casco.d553248634983088146.Car-Hire-Guide)[Casco Holidays](https://expedia.co.uk/Casco.d553248634983088146.Holidays-City-Breaks) ## Popular airlines to Casco - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](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:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](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:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![](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:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KL.svg) KLM [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_VS.svg) Virgin Atlantic [](https://www.expedia.co.uk/Flights-Search?leg1=from:CMH,to:Casco, Wisconsin, United States of America,departure:12/04/2026TANYT&leg2=from:Casco, Wisconsin, United States of America,to:CMH,departure:19/04/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"VS"}}]) - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 25% on select hotels after you book a flight\* - ![](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.co.uk/login) ## Cheap round-trip flights to Casco Prices were available within the past 7 days and start at £491 for one-way flights and £736 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![Air France](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AF.gif) Fri, 6 Nov - Tue, 10 Nov OPO Porto GRB Green Bay £736 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:GRB,departure:06/11/2026TANYT&leg2=from:GRB,to:OPO,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:735.40&airProductToken=AQqlAQoxCMGMARIEMTUyORjucyDiMCittpwDMLm3nAM4TEAAWAFqBUxJR0hUcghSWUxESTVMQQowCMGMARICNDAY4jAg47QBKIm4nAMwm7ycAzhSQAFYAWoFTElHSFRyCFJZTERJNUxBCj4IwYwBEgQyMTYxGOO0ASCmDCiWxpwDMOTGnAM4UkABWAFqBUxJR0hUcghSWUxESTVMQXoKCMSYARIEMjE2MQqzAQo-CMGMARIEMjI5OBimDCDjtAEo_eicAzDP6ZwDOFJAAFgBagVMSUdIVHIIUllMREk1TEF6CgjEmAESBDIyOTgKPgjBjAESBDM1OTMY47QBIOIwKIT0nAMw3_ecAzhSQAFYAWoFTElHSFRyCFJZTERJNUxBegoIxJgBEgQzNTkzCjEIwYwBEgQxNTI4GOIwIO5zKK_4nAMwtvmcAzhMQAFYAWoFTElHSFRyCFJZTERJNUxBEgoIAhABGAIqAkFGGAEiBAgBEAEoAigDKAQwDQ) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 6 Nov - Tue, 10 Nov OPO Porto GRB Green Bay £737 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:GRB,departure:06/11/2026TANYT&leg2=from:GRB,to:OPO,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:736.60&airProductToken=AQq_AQo9CMuYARIEMjI4NBjucyDiMCittpwDMLm3nAM4WEAAWAFqBUxJR0hUcghSWUxESTVMQXoKCMGMARIEMjI4NAo-CMuYARIEMjE0MhjiMCDjtAEoibicAzCbvJwDOFJAAVgBagVMSUdIVHIIUllMREk1TEF6CgjBjAESBDIxNDIKPgjLmAESBDY5MDUY47QBIKYMKOu8nAMwvb2cAzhSQAFYAWoFTElHSFRyCFJZTERJNUxBegoIxJgBEgQ2OTA1Cr8BCj4Iy5gBEgQ2MjUxGKYMIOO0ASj96JwDMM_pnAM4UkAAWAFqBUxJR0hUcghSWUxESTVMQXoKCMSYARIENjI1MQo-CMuYARIEMjIyNxjjtAEg4jAorOqcAzD97ZwDOFJAAVgBagVMSUdIVHIIUllMREk1TEF6CgjBjAESBDIyMjcKPQjLmAESBDIyODIY4jAg7nMor_icAzC2-ZwDOFhAAVgBagVMSUdIVHIIUllMREk1TEF6CgjBjAESBDIyODISCggCEAEYAioCS0wYASIECAEQASgCKAMoBDAN) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Fri, 6 Nov - Tue, 10 Nov OPO Porto GRB Green Bay £754 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:GRB,departure:06/11/2026TANYT&leg2=from:GRB,to:OPO,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:754.00&airProductToken=AQqjAQowCMmEARIDNTQ0GO5zIIwYKPS0nAMwxLWcAzhPQABYAWoFQkFTSUNyCE9MTjVDNUJXCjAIyYQBEgMzNDEYjBggrhwolLacAzDnupwDOE9AAVgBagVCQVNJQ3IIT0xONUM1QlcKPQjJhAESBDgzMzAYrhwgpgwopL6cAzDovpwDOE9AAVgBagVCQVNJQ3IIT0xONUM1Qld6CgjBggESBDgzMzASCggCEAEYAioCSUIYASIECAEQASgCKAMoBDAN) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Fri, 6 Nov - Tue, 10 Nov OPO Porto GRB Green Bay £763 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:GRB,departure:06/11/2026TANYT&leg2=from:GRB,to:OPO,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:762.40&airProductToken=AQrAAQo-CMKCARIENzEyNBjucyCMGCjYupwDMKi7nAM4T0AAWAFqBU5PQkFHcglPTE41QzVCV1B6CgjJhAESBDcxMjQKPgjCggESBDQyNzEYjBggrhwotMGcAzCHxpwDOE9AAVgBagVOT0JBR3IJT0xONUM1QldQegoIyYQBEgQ0MjcxCj4IwoIBEgQ0OTYxGK4cIKYMKMvHnAMwksicAzhPQAFYAWoFTk9CQUdyCU9MTjVDNUJXUHoKCM2iARIENDk2MRIKCAEQARgBKgJCQRgBIgQIARABKAIoAzAN) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Fri, 6 Nov - Tue, 10 Nov OPO Porto GRB Green Bay £821 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:OPO,to:GRB,departure:06/11/2026TANYT&leg2=from:GRB,to:OPO,departure:10/11/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:820.40&airProductToken=AQq6AQo0CMyQARIEMTE3ORjucyClBCjos5wDMI21nAM4U0AAWAFqCEVDT0xJR0hUcghTTEhYQVhCUQpACMyQARIEOTE1MBilBCCuHCjGtpwDMIC7nAM4U0ABWAFqCEVDT0xJR0hUcghTTEhYQVhCUXoKCNWCARIEOTE1MApACMyQARIENzg3NBiuHCCmDCiTvZwDMNi9nAM4U0ABWAFqCEVDT0xJR0hUcghTTEhYQVhCUXoKCNWCARIENzg3NAq6AQpACMyQARIEODk2NRimDCCuHCix6pwDMIjrnAM4S0AAWAFqCEVDT0xJR0hUcghLTFZRQVhCUXoKCNWCARIEODk2NQpACMyQARIEOTE1MxiuHCClBCig85wDMI_3nAM4S0ABWAFqCEVDT0xJR0hUcghLTFZRQVhCUXoKCNWCARIEOTE1Mwo0CMyQARIEMTE3NBilBCDucyjX-JwDMPz5nAM4S0ABWAFqCEVDT0xJR0hUcghLTFZRQVhCURIKCAIQARgCKgJMSBgBIgQIARABKAIoAygEMAs) ## Find the cheapest month to fly from Columbus (CMH) to Green Bay (GRB) ### May is typically the cheapest month to fly From £151 - £453 per traveller. ## Book with confidence # Expedia flights to Casco Searching for cheap flights to Casco? No travel company presents more choices than Expedia if you're looking to compare flights to Casco. With more airlines, cheaper flights, fewer stops, and more departure and arrival times travellers should ensure they search on Expedia before any holiday to Wisconsin. Expedia provides the cheapest flights to many destinations in Wisconsin and you may find even greater savings if you combine your flight with a hotel stay in Casco. Expedia is the largest online travel agency which means that Expedia have access to cheap flights. So make sure you check Expedia regularly for these bargain flights because the cheapest airline tickets sell out fast. Expedia is not only free for everyone to use but it quick and easy to use. Find the lowest flight prices guaranteed and book directly through Expedia. Browse through hundreds of cheap flight offers to find the one that suits your budget by simply inputting your travel dates. Expedia will then find the cheapest flights to Casco for that period and let you choose your preferred time and airline. If you need additional assistance, Expedia Customer Service representatives are available from 8am - 10pm Monday to Friday, and 9am - 10pm at weekends. Our capable staff will be able to help you with any questions regarding your Casco flight, or other booking questions that may arise. When you book flights with Expedia you can rest assured that you have booked the best flight at the lowest price. ## Travel information | Destination airport | Austin Straubel Intl. | | ----------------------------- | --------------------- | | Destination airport IATA code | GRB | | Destination city name | Green Bay | | Return price | £735 | ## Trending flights to Casco Prices were available within the past 7 days and start at £491 for one-way flights and £736 for round trip, for the period specified. Be sure to select the 'Direct flights only' box above if you are looking for a non stop route. 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, 16 Nov - Mon, 7 Dec LHR London GRB Green Bay £840 Return found 3 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:GRB,departure:16/11/2026TANYT&leg2=from:GRB,to:LHR,departure:07/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:839.19&airProductToken=AQp0CjIIwoIBEgMyOTUY64kBIK4cKNSmnQMw5qqdAzhPQABYAWoFTk9CQUdyCU9MWDVDNUI0UAo-CMKCARIENDk4NhiuHCCmDCivrZ0DMPWtnQM4T0ABWAFqBU5PQkFHcglPTFg1QzVCNFB6CgjNogESBDQ5ODYSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) \*Available to Expedia members.