Title: Flights to Bilbao from Austin from $304 (AUS to BIO) - Expedia.com ![](https://images.trvl-media.com/place/6084357/3ef9780c-b6e3-4398-8c59-e2171a620838.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6084357/3ef9780c-b6e3-4398-8c59-e2171a620838.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # $304 Cheap Flights from Austin (AUS) to Bilbao (BIO) [View $304 flight on Mon, Jul 27, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:AUS,to:BIO,departure:7/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:303.40&airProductToken=AQqiAQo1CMyQARIENzU0ORiAlQEgiBgo6L-TAzCvwZMDOExAAFgBaghFQ09MSUdIVHIITExJOTBVQlEKMwjMkAESAzQxNRiIGCCMFSjswZMDMNbFkwM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCUQo0CMyQARIEMTgyOBiMFSCBciiUx5MDMJvIkwM4TEABWAFqCEVDT0xJR0hUcghMTEk5MFVCURIMCAEQARgBKgJMSDIAGAEiBAgBEAEoAigDKAQwCw) ## Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Bilbao Airport (BIO) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_BA.svg) British Airways [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&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_IB.svg) Iberia [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"IB"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EI.svg) Aer Lingus [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EI"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_LH.svg) Lufthansa [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&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_KL.svg) KLM [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&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_AY.svg) Finnair [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AY"}}]) - ![](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 30% 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 OneKeyCash [Learn about One Key](https://www.expedia.com/welcome-one-key) ## Cheap Flights from Austin to Bilbao (AUS-BIO) Prices were available within the past 7 days and start at $304 for one-way flights and $663 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Wed, Aug 19 - Wed, Aug 26 AUS Austin BIO Bilbao $663 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:8/19/2026TANYT&leg2=from:BIO,to:AUS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:662.83&airProductToken=AQqtAQpACMyQARIENzU0ORiAlQEgiBgoyMKVAzCMxJUDOExAAFgBaghFQ09MSUdIVHIITExJOTBVQlF6CQjVggESAzM3NgozCMyQARIDNDE1GIgYIIwVKMzElQMwtsiVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCjQIzJABEgQxODI4GIwVIIFyKPTJlQMw-8qVAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJRCmwKNAjMkAESBDExNDcYgXIgpQQooomWAzCkipYDOExAAFgBaghFQ09MSUdIVHIITEtJOTBVQlEKNAjMkAESAzQ2OBilBCCAlQEo6oqWAzD0j5YDOExAAVgBaghFQ09MSUdIVHIITEtJOTBVQlESCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Sep 1 - Wed, Oct 21 AUS Austin BIO Bilbao $671 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:9/1/2026TANYT&leg2=from:BIO,to:AUS,departure:10/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:670.23&airProductToken=AQpsCjQIzJABEgM0NjkYgJUBIKUEKLHUlgMw_9iWAzhMQABYAWoIRUNPTElHSFRyCExLSTkwVUJRCjQIzJABEgQxMTQ0GKUEIIFyKOzblgMw7tyWAzhMQAFYAWoIRUNPTElHSFRyCExLSTkwVUJRCmwKNAjMkAESBDExNDcYgXIgpQQoov-aAzCkgJsDOExAAFgBaghFQ09MSUdIVHIITExJOTBVQlEKNAjMkAESAzQ2OBilBCCAlQEo6oCbAzD0hZsDOExAAVgBaghFQ09MSUdIVHIITExJOTBVQlESCggBEAEYASoCTEgYASIECAEQASgCKAMoBDAL) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Tue, Sep 1 - Tue, Sep 15 AUS Austin BIO Bilbao $675 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:9/1/2026TANYT&leg2=from:BIO,to:AUS,departure:9/15/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:674.73&airProductToken=AQquAQpBCMyQARIENzg2MRiAlQEgrhwo7dSWAzCe1pYDOExAAFgBaghFQ09MSUdIVHIITEtJOTBVQlF6CgjVggESBDE5OTAKMwjMkAESAzQzMxiuHCClBCiy15YDMLXblgM4TEABWAFqCEVDT0xJR0hUcghMS0k5MFVCUQo0CMyQARIEMTE0NhilBCCBcijP3pYDMNHflgM4TEABWAFqCEVDT0xJR0hUcghMS0k5MFVCUQpsCjQIzJABEgQxMTQ3GIFyIKUEKKLqlwMwpOuXAzhMQABYAWoIRUNPTElHSFRyCExMSTkwVUJRCjQIzJABEgM0NjgYpQQggJUBKOrrlwMw9PCXAzhMQAFYAWoIRUNPTElHSFRyCExMSTkwVUJREgoIARABGAEqAkxIGAEiBAgBEAEoAigDKAQwCw) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Wed, Aug 19 - Wed, Aug 26 AUS Austin BIO Bilbao $680 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:8/19/2026TANYT&leg2=from:BIO,to:AUS,departure:8/26/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:679.93&airProductToken=AQq-AQo-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) ![American Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AA.gif) Sun, May 3 - Wed, May 13 AUS Austin BIO Bilbao $691 Roundtrip found 6 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:5/3/2026TANYT&leg2=from:BIO,to:AUS,departure:5/13/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:690.33&airProductToken=AQqZAQoxCMGCARIDNjIwGICVASCMAiiYg4wDMMWEjAM4QkAAWAFqBUJBU0lDcghRTFg4QzFCVgoxCMGCARIEODc0MBiMAiCMGCjChYwDMMqJjAM4UUABWAFqBUJBU0lDcghRTFg4QzFCVgoxCMGCARIEODgwMBiMGCCBcij5iowDML-LjAM4UUABWAFqBUJBU0lDcghRTFg4QzFCVgqbAQoxCMGCARIEODc2NxiBciCMGCiS74wDMNjvjAM4UUAAWAFqBUJBU0lDcghRS1g4QzFCVgoyCMGCARIEODYzMhiMGCCjsQEoo_CMAzDG9YwDOFFAAVgBagVCQVNJQ3IIUUtYOEMxQlYKMgjBggESAzk3MhijsQEggJUBKKX2jAMw5vaMAzhCQAFYAWoFQkFTSUNyCFFLWDhDMUJWEgwIARABGAEqAkFBMgAYASIECAEQASgCKAMoBDAL) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, Oct 22 - Tue, Oct 27 AUS Austin BIO Bilbao $700 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:10/22/2026TANYT&leg2=from:BIO,to:AUS,departure:10/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:699.93&airProductToken=AQrAAQo_CMKCARIEMTY4MxiAlQEgo7EBKPKSmwMwvJObAzhPQABYAWoFTk9CQUdyCE9MVzlDOUJWegoIwYIBEgQxNjgzCj4IwoIBEgQ0Mjk2GKOxASCMGCjllJsDMKmZmwM4T0ABWAFqBU5PQkFHcghPTFc5QzlCVnoKCMmEARIENDI5Ngo9CMKCARIENzEzOBiMGCCBcij5mZsDML-amwM4T0ABWAFqBU5PQkFHcghPTFc5QzlCVnoKCMmEARIENzEzOAq-AQo9CMKCARIENzA4NRiBciCMGCivxJsDMPXEmwM4T0AAWAFqBU5PQkFHcghPTFg5QzlCVnoKCMmEARIENzA4NQo9CMKCARIENDI3MRiMGCCuHCjUxZsDMKfKmwM4T0ABWAFqBU5PQkFHcghPTFg5QzlCVnoKCMmEARIENDI3MQo-CMKCARIENTExORiuHCCAlQEozMybAzD6zZsDOE9AAVgBagVOT0JBR3IIT0xYOUM5QlZ6CgjBggESBDUxMTkSCggBEAEYASoCQkEYASIECAEQASgCKAMwDQ) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Thu, Oct 22 - Tue, Oct 27 AUS Austin BIO Bilbao $706 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:10/22/2026TANYT&leg2=from:BIO,to:AUS,departure:10/27/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:705.49&airProductToken=AQqjAQo9CMmEARIENDg0NBiAlQEgjAIo2Y-bAzD-kJsDOE9AAFgBagVCQVNJQ3IIT0xXOUM5QlZ6CQjBggESAzgxMgowCMmEARIDMzM4GIwCIIwYKLiUmwMwypibAzhPQAFYAWoFQkFTSUNyCE9MVzlDOUJWCjAIyYQBEgM0MzUYjBgggXIo-ZmbAzC_mpsDOE9AAVgBagVCQVNJQ3IIT0xXOUM5QlYKpQEKMQjJhAESBDExMDAYgXIgjBgos8abAzD5xpsDOE9AAFgBagVCQVNJQ3IIT0xYOUM5QlYKMAjJhAESAzMzNxiMGCCMAijdx5sDMMnMmwM4T0ABWAFqBUJBU0lDcghPTFg5QzlCVgo-CMmEARIENDQ3MBiMAiCAlQEovNabAzD315sDOE9AAVgBagVCQVNJQ3IIT0xYOUM5QlZ6CgjBggESBDI2MjkSCggBEAEYASoCSUIYASIECAEQASgCKAMoBDAN) ![Iberia](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/IB.gif) Tue, Sep 1 - Wed, Oct 21 AUS Austin BIO Bilbao $709 Roundtrip found 17 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:9/1/2026TANYT&leg2=from:BIO,to:AUS,departure:10/21/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:708.33&airProductToken=AQqlAQo-CMmEARIEMzU3MhiAlQEg64kBKJ_VlgMwz9mWAzhRQABYAWoFQkFTSUNyCFFLWDhDMUJWegkIwoIBEgMxOTAKMQjJhAESAzcyMBjriQEgjBgoqt2WAzC73pYDOFFAAVgBagVCQVNJQ3IIUUtYOEMxQlYKMAjJhAESAzQ0MRiMGCCBciia35YDMNvflgM4UUABWAFqBUJBU0lDcghRS1g4QzFCVgqmAQowCMmEARIDNDMwGIFyIIwYKLOAmwMw-YCbAzhPQABYAWoFQkFTSUNyCE9MWDlDOUJWCjEIyYQBEgMzNjMYjBggo7EBKMODmwMw5oibAzhPQAFYAWoFQkFTSUNyCE9MWDlDOUJWCj8IyYQBEgQ0MzE0GKOxASCAlQEogYqbAzC8ipsDOE9AAVgBagVCQVNJQ3IIT0xYOUM5QlZ6CgjBggESBDE1ODgSCggBEAEYASoCSUIYASIECAEQASgCKAMoBDAN) ![United](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/UA.gif) Thu, Sep 24 - Mon, Oct 5 AUS Austin BIO Bilbao $744 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:9/24/2026TANYT&leg2=from:BIO,to:AUS,departure:10/5/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:743.73&airProductToken=AQrBAQo3CNWCARIEMTc0NxiAlQEgiDgosNWYAzDo1ZgDOExAAFgBagoxX2Jhc2ljZWNvcghMTFY5MFVCUQpCCNWCARIEODg2NxiIOCClBCjz1pgDMLfbmAM4TEAAWAFqCjFfYmFzaWNlY29yCExMVjkwVUJRegoIzJABEgQ4ODY3CkII1YIBEgQ5MzYxGKUEIIFyKOHcmAMw492YAzhMQABYAWoKMV9iYXNpY2Vjb3IITExWOTBVQlF6CgjMkAESBDkzNjEKiQEKQgjVggESBDkzNjMYgXIgpQQoosuZAzCkzJkDOExAAFgBagoxX2Jhc2ljZWNvcghMTFY5MFVCUXoKCMyQARIEOTM2MwpDCNWCARIEODc2NRilBCCAlQEo6syZAzD00ZkDOExAAFgBagoxX2Jhc2ljZWNvcghMTFY5MFVCUXoKCMyQARIEODc2NRIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) ![Air Canada](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/AC.gif) Tue, Jul 28 - Wed, Aug 12 AUS Austin BIO Bilbao $764 Roundtrip found 19 hours ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:AUS,to:BIO,departure:7/28/2026TANYT&leg2=from:BIO,to:AUS,departure:8/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:763.63&airProductToken=AQqbAQoyCMGGARIEMTc0MBiAlQEgmF0o_ceTAzDryZMDOExAAFgBagVCQVNJQ3IITExJOTBVQlEKMQjBhgESAzgzMhiYXSChpAEoocuTAzC2zpMDOExAAVgBagVCQVNJQ3IITExJOTBVQlEKMgjBhgESBDYzNjYYoaQBIIFyKNXRkwMwyNKTAzhMQAFYAWoFQkFTSUNyCExMSTkwVUJRCpsBCjEIwYYBEgQ5MzgwGIFyIKUEKOLrlAMw5OyUAzhMQABYAWoFQkFTSUNyCExISTkwVUJRCjEIwYYBEgM4NDEYpQQgmM4BKKDtlAMwt_GUAzhMQAFYAWoFQkFTSUNyCExISTkwVUJRCjMIwYYBEgQxMDQzGJjOASCAlQEouvqUAzCM_JQDOExAAVgBagVCQVNJQ3IITEhJOTBVQlESDAgBEAEYASoCQUMyABgBIgQIARABKAIoAygEMAE) ## Alternative airports near Bilbao Prices were available within the past 7 days. Prices and availability are subject to change. [](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) BIO Bilbao Airport CheapestClosest 13 min [Flights from $1,102 ](https://www.expedia.com/Flights-Search?leg1=from:AUS,to:BIO,departure:3/30/2026TANYT&leg2=from:BIO,to:AUS,departure:4/6/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&sortOrder=INCREASING&sortType=PRICE) ## Frequently asked questions ### How much does a flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO) cost? ### What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### What is the cheapest airline that flies from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ### Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? > - United Airlines > - American Airlines > - Delta Air Lines > - Air Canada > - Lufthansa > - British Airways > - KLM ### How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO) flight with Expedia? ### Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO) at the last minute? ### Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO) flight and hotel package? ### Can I cancel or change the date of my flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Bilbao (BIO)? ## Travel information | Origin airport | Austin-Bergstrom Intl. | | ------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Destination airport | Bilbao | | Airlines serving | Aer Lingus, Air Canada, Air France, American Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, KLM, Lufthansa, Scandinavian Airlines, Swiss International Air Lines, TAP Portugal, Turkish Airlines, United | | Roundtrip price | $663 | | Distance | 5041 mi | ## Book with confidence # Austin to Bilbao Flights The cheapest times to fly from Austin to Bilbao On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Bilbao are during the month of August. You can find some of the cheapest flights from Austin to Bilbao with Expedia's search tool and vast selection of airlines. The best time to book a flight from Austin to Bilbao Sunday is one of the best days to book for cheap flights from Austin to Bilbao: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance. How to find cheap round-trip tickets from Austin to Bilbao Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Bilbao in 2026\. You can also book with separate airlines for your outbound and return journeys, from $304 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference\*. This is available for a small fee, and is free to One Key Gold and Platinum tier members. Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Bilbao flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps. You could also save big by booking one of Expedia's [vacation packages](https://www.expedia.com/package-deals). Bundling together your Austin to Bilbao airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures. \*Terms apply. Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023\. 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