Title: £967 Cheap Flights from London to Posadas (LHR to PSS) - Expedia.co.uk ![Rock formation "El Arco" at Lake Posadas, Argentina](https://images.trvl-media.com/place/2887/d836a022-182c-4be3-ade6-4b3bb9158f9d.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://a.travel-assets.com/travel-assets-manager/fallback-images-brand/bex_flights_v2.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # £967 Cheap Flights from London (LHR) to Posadas (PSS) [View £967 flight on Sun, 9 Nov 2025](https://expedia.co.uk/Flights-Search?trip=oneway&leg1=from:LHR,to:PSS,departure:09/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:966.42&airProductToken=AQpnCiAIwawBEgMxMjEY64kBIMEzKNTS_AIw7df8AjhQQABYAQogCMGsARIEODM5NRjBMyCkJii_2fwCMMrc_AI4UEABWAEKIQjBpAESBDE3NjgYgHkgz5QBKNPe_AIwt9_8AjhNQAFYARIKCAEQARgBKgJBVhgBIgQIARABKAQwAQ) - [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 Heathrow Airport (LHR) to Posadas (PSS-Libertador General Jose de San Martin) - ![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:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"BA"}}]) - ![easyJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_U2.svg) easyJet [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"U2"}}]) - ![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:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LH"}}]) - ![Ryanair](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_FR.svg) Ryanair [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"FR"}}]) - ![American Airlines](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:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![Jet2](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LS.svg) Jet2 [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LS"}}]) - ![Swiss International Air Lines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LX.svg) Swiss International Air Lines [](https://www.expedia.co.uk/Flights-Search?leg1=from:lhr,to:pss,departure:24/10/2025TANYT&leg2=from:pss,to:lhr,departure:31/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) ![notification illustration](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\* ![deals illustration](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\* ![trophy illustration](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 Flights from London (LHR) to Posadas (PSS) Prices were available within the past 7 days and start at £967 for one-way flights and £2,600 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Return ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £2,600 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2599.62&airProductToken=AQqcAQozCMuYARIEMTAwMBjriQEggJMBKIqX-wIw2pf7AjhZQABYAWoFTElHSFRyCFVHTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhVQAFYAWoFTElHSFRyCFVHTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4VUABWAFqBUxJR0hUcghVR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £2,681 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2680.52&airProductToken=AQqgAQo0CMmEARIEMzY0MxjriQEgjBgo1Zf7AjDmmPsCOEJAAFgBagdDT01GT1JUcghCTE5DNjBVMgoyCMmEARIDMTA3GIwYIKQmKLaZ-wIwqZ_7AjhCQAFYAWoHQ09NRk9SVHIIQkxOQzYwVTIKNAjBpAESBDE3NjIYpCYgz5QBKNOl-wIwt6b7AjhRQAFYAWoHQ09NRk9SVHIIQkxOQzYwVTIKnAEKMwjBpAESBDE3NjkYz5QBIKQmKI3N-wIw8c37AjhIQABYAWoGT1BUSU1BcghMTE5DNjBNNgoxCMmEARIDMTAyGKQmIIwYKPDU-wIwp9r7AjhMQAFYAWoGT1BUSU1BcghMTE5DNjBNNgoyCMmEARIDNzExGIwYIOuJASjZ2vsCMPnb-wI4TEABWAFqBk9QVElNQXIITExOQzYwTTYSCggBEAEYASoCSUIYASIECAEQASgCKAMoBDAB) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £2,682 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2681.92&airProductToken=AQqcAQozCMuYARIEMTAwNhjriQEggJMBKMWZ-wIwkJr7AjhZQABYAWoFTElHSFRyCFVHTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhVQAFYAWoFTElHSFRyCFVHTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4VUABWAFqBUxJR0hUcghVR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £2,791 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2790.42&airProductToken=AQqcAQozCMuYARIEMTAwNhjriQEggJMBKMWZ-wIwkJr7AjhZQABYAWoFTElHSFRyCFVHTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhVQAFYAWoFTElHSFRyCFVHTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4VUABWAFqBUxJR0hUcghVR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £2,816 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2815.62&airProductToken=AQqcAQozCMuYARIEMTAwMBjriQEggJMBKIqX-wIw2pf7AjhZQABYAWoFTElHSFRyCFVHTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhVQAFYAWoFTElHSFRyCFVHTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4VUABWAFqBUxJR0hUcghVR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £2,935 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:2934.62&airProductToken=AQqcAQozCMuYARIEMTAwNBjriQEggJMBKNeY-wIwrJn7AjhZQABYAWoFTElHSFRyCE1HTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhNQAFYAWoFTElHSFRyCE1HTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4TUABWAFqBUxJR0hUcghNR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £3,017 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3016.92&airProductToken=AQqcAQozCMuYARIEMTAwNBjriQEggJMBKNeY-wIwrJn7AjhZQABYAWoFTElHSFRyCE1HTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhNQAFYAWoFTElHSFRyCE1HTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4TUABWAFqBUxJR0hUcghNR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![avianca](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/av.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £3,070 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3069.82&airProductToken=AQqXAQozCMGsARIDMTIxGOuJASDBMyixnvsCMMCj-wI4TUAAWAFqB0NMQVNTSUNyCE1FT0IyQlJSCjIIwawBEgMxNTUYwTMggHkoh6z7AjCIr_sCOE1AAVgBagdDTEFTU0lDcghNRU9CMkJSUgosCMGkARIEMTc2OBiAeSDPlAEogLX7AjDktfsCOE1AAVgBagJFRnIFTTJVRUYKkgEKLAjBpAESBDE3NjkYz5QBIKQmKI3N-wIw8c37AjhNQABYAWoCRUZyBU0yVUVGCi8IwawBEgI4OBikJiDBMyjb0fsCMNfU-wI4V0ABWAFqBUxJR0hUcghXWkFCMUJSUgoxCMGsARIDMTIwGMEzIOuJASiJ2vsCMOve-wI4V0ABWAFqBUxJR0hUcghXWkFCMUJSUhIKCAEQARgBKgJBVhgBIgQIARABKAIoAygEMAE) ![avianca](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/av.gif) Sun, 29 Mar - Sat, 11 Apr LHR London PSS Posadas £3,100 Return found 5 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:29/03/2026TANYT&leg2=from:PSS,to:LHR,departure:11/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3099.72&airProductToken=AQqXAQozCMGsARIDMTIxGOuJASDBMyix-YgDMMD-iAM4SEAAWAFqB0NMQVNTSUNyCEhFT0IyQlJSCjIIwawBEgMxNTUYwTMggHkoh4eJAzCIiokDOEhAAVgBagdDTEFTU0lDcghIRU9CMkJSUgosCMGkARIEMTc2OBiAeSDPlAEoy5CJAzCvkYkDOE1AAVgBagJFRnIFTTJVRUYKkwEKLAjBpAESBDE3NjEYz5QBIIB5KNiHigMwvIiKAzhNQABYAWoCRUZyBU0yVUVGCjAIwawBEgMxNTQYgHkgwTMo2JGKAzDelIoDOE9AAVgBagVMSUdIVHIIT0VPQjFCUlIKMQjBrAESAzEyMBjBMyDriQEoqZqKAzCLn4oDOE9AAVgBagVMSUdIVHIIT0VPQjFCUlISCggBEAEYASoCQVYYASIECAEQASgCKAMoBDAB) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £3,126 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3125.42&airProductToken=AQqcAQozCMuYARIEMTAxMhjriQEggJMBKIqc-wIw2pz7AjhZQABYAWoFTElHSFRyCE1HTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhNQAFYAWoFTElHSFRyCE1HTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4TUABWAFqBUxJR0hUcghNR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![KLM](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/KL.gif) Fri, 24 Oct - Tue, 28 Oct LHR London PSS Posadas £3,151 Return found 1 day ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3150.62&airProductToken=AQqcAQozCMuYARIEMTAwNBjriQEggJMBKNeY-wIwrJn7AjhZQABYAWoFTElHSFRyCE1HTDBCQkxBCjEIy5gBEgM3MDEYgJMBIKQmKKqd-wIw3qP7AjhNQAFYAWoFTElHSFRyCE1HTDBCQkxBCjIIy5gBEgQ5MjUwGKQmIM-UASjTpfsCMLem-wI4TUABWAFqBUxJR0hUcghNR0wwQkJMQRIKCAEQARgBKgJLTBgBIgQIARABKAIoAygEMAE) ![avianca](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/av.gif) Sun, 19 Oct - Sat, 1 Nov LHR London PSS Posadas £3,287 Return found 2 days ago [](https://expedia.co.uk/Flights-Search?trip=roundtrip&leg1=from:LHR,to:PSS,departure:19/10/2025TANYT&leg2=from:PSS,to:LHR,departure:01/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:3286.52&airProductToken=AQqaAQozCMGsARIDMTIxGOuJASDBMyiR5voCMKDr-gI4QkAAWAFqB0NMQVNTSUNyCEJFT0IyQlJSCjQIwawBEgQ4MzQzGMEzIMKLASit9PoCMIb3-gI4QkABWAFqB0NMQVNTSUNyCEJFT0IyQlJSCi0IwaQBEgQxNTc0GMKLASDPlAEor_r6AjCO-_oCOE1AAVgBagJFRnIFTTJVRUYKlwEKLAjBpAESBDE3NjEYz5QBIIB5KO_0-wIw0_X7AjhNQABYAWoCRUZyBU0yVUVGCjIIwawBEgMxNTQYgHkgwTMouP77AjCvgfwCOEtAAVgBagdDTEFTU0lDcghLRU9CMkJSUgozCMGsARIDMTIwGMEzIOuJASiJh_wCMOuL_AI4S0ABWAFqB0NMQVNTSUNyCEtFT0IyQlJSEgoIARABGAEqAkFWGAEiBAgBEAEoAigDKAQwAQ) ## Alternative airports near Posadas Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) PSS Libertador General Jose de San Martin CheapestClosest 12 min [Flights from £2,600](https://www.expedia.co.uk/Flights-Search?leg1=from:LHR,to:PSS,departure:24/10/2025TANYT&leg2=from:PSS,to:LHR,departure:28/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Travel information | Origin airport | Heathrow | | --- | --- | | Destination airport | Libertador General Jose de San Martin | | Return price | £2,600 | | Distance | 10245 km | ## Book with confidence ### Compare flights from London to Posadas easily and book with confidence For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Posadas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Libertador General Jose de San Martin in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to Libertador General Jose de San Martin.   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 Heathrow (LHR) to Libertador General Jose de San Martin (PSS) The easiest way to view the best deals on flights from London to Posadas 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 Heathrow to Libertador General Jose de San Martin start at just £2,600 and range up to £6,357.   To find an even better deal, try   - being flexible on your dates – midweek flights can be cheaper - looking for other airports near London and Posadas - 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 London to Posadas flight with Expedia! We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to Libertador General Jose de San Martin 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.   ## Explore a world of travel with Expedia - Accommodation - Flights - Packages - Cars - Holiday Homes - [Alba Posse Hotels](https://www.expedia.co.uk/Alba-Posse-Hotels.d553248634664650822.Travel-Guide-Hotels) - [Apostoles Hotels](https://www.expedia.co.uk/Apostoles-Hotels.d6229964.Travel-Guide-Hotels) - [Aristóbulo del Valle Hotels](https://www.expedia.co.uk/Aristobulo-Del-Valle-Hotels.d3000007401.Travel-Guide-Hotels) - [Bonpland Hotels](https://www.expedia.co.uk/Bonpland-Hotels.d553248635924012033.Travel-Guide-Hotels) - [Campo Ramón Hotels](https://www.expedia.co.uk/Campo-Ramon-Hotels.d553248635923647996.Travel-Guide-Hotels) - [Campo Viera Hotels](https://www.expedia.co.uk/Campo-Viera-Hotels.d553248635924011319.Travel-Guide-Hotels) - [Colonia Alberdi Hotels](https://www.expedia.co.uk/Colonia-Alberdi-Hotels.d553248635924012681.Travel-Guide-Hotels) - [Colonia Finlandesa Hotels](https://www.expedia.co.uk/Colonia-Finlandesa-Hotels.d3000007373.Travel-Guide-Hotels) - [Corpus Christi Hotels](https://www.expedia.co.uk/Corpus-Christi-Hotels.d553248635924011723.Travel-Guide-Hotels) - [Gay-Friendly Hotels in Misiones Province](https://www.expedia.co.uk/Destinations-In-Misiones-Province-Gay-Friendly-Hotel.0-0-d6232393-tGayFriendlyHotel.Hotel-Filter-Destinations) - [Misiones Province Hotels](https://www.expedia.co.uk/Destinations-In-Misiones-Province.d6232393.Hotel-Destinations) - [Dos de Mayo Hotels](https://www.expedia.co.uk/Dos-De-Mayo-Hotels.d3000007356.Travel-Guide-Hotels) - [General Alvear Hotels](https://www.expedia.co.uk/General-Alvear-Hotels.d553248635924011883.Travel-Guide-Hotels) - [Gobernador López Hotels](https://www.expedia.co.uk/Gobernador-Lopez-Hotels.d553248635924012114.Travel-Guide-Hotels) - [Jardín América Hotels](https://www.expedia.co.uk/Jardin-America-Hotels.d3000007315.Travel-Guide-Hotels) - [Leandro N. 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