Title: $453 Cheap flights from Singapore to Bilbao (SIN 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) # $453 Cheap Flights from Singapore (SIN) to Bilbao (BIO) [View $453 flight on Sat, Apr 18, 2026](https://expedia.com/Flights-Search?trip=oneway&leg1=from:SIN,to:BIO,departure:4/18/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:452.40&airProductToken=AQqmAQoxCMWyARIDNDk5GJJqIIA9KMzWigMwhNqKAzhFQABYAWoGWUJBU0lDcghFTk4wMEg1VAoxCMWyARIDMTAzGIA9IIwYKL3gigMwhOSKAzhFQAFYAWoGWUJBU0lDcghFTk4wMEg1VAo-CMWyARIENzU0NxiMGCCBciiO6YoDMM_pigM4RUABWAFqBllCQVNJQ3IIRU5OMDBINVR6CgjVsAESBDcxNjESCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ## Popular airlines from Singapore Changi Airport (SIN) to Bilbao Airport (BIO) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_QR.svg) Qatar Airways [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"QR"}}]) - ![](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:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&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_AF.svg) Air France [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AF"}}]) - ![](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:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&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_LX.svg) Swiss International Air Lines [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"LX"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_EY.svg) Etihad Airways [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"EY"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_TK.svg) Turkish Airlines [](https://www.expedia.com/Flights-Search?leg1=from:SIN,to:BIO,departure:4/12/2026TANYT&leg2=from:BIO,to:SIN,departure:4/19/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"TK"}}]) - ![](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 Singapore to Bilbao (SIN-BIO) Prices were available within the past 7 days and start at $453 for one-way flights and $732 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply. All deals One way Roundtrip ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $732 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:731.40&airProductToken=AQqmAQoxCMWyARIDNDk5GJJqIIA9KOzJjQMwpM2NAzhFQABYAWoGWUJBU0lDcghFTk4wVkg1OQoxCMWyARIDMTAxGIA9IIwYKKHOjQMw8tGNAzhFQAFYAWoGWUJBU0lDcghFTk4wVkg1OQo-CMWyARIENDM0MBiMGCCBciiL140DMMfXjQM4RUABWAFqBllCQVNJQ3IIRU5OMFZINTl6CgjVsAESBDcxNTkKmQEKMQjJhAESAzQ0MBiBciCMGCj3gI8DML2BjwM4TkAAWAFqBllCQVNJQ3IIRU5OMFZINTkKMQjFsgESAzEwMhiMGCCAPSiNh48DMKyKjwM4RUABWAFqBllCQVNJQ3IIRU5OMFZINTkKMQjFsgESAzQ5OBiAPSCSaiiki48DMISPjwM4RUABWAFqBllCQVNJQ3IIRU5OMFZINTkSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $758 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:757.40&airProductToken=AQqmAQoxCMWyARIDNDk5GJJqIIA9KOzJjQMwpM2NAzhVQABYAWoGWUJBU0lDcghVTk4wVkg1OQoxCMWyARIDMTAxGIA9IIwYKKHOjQMw8tGNAzhVQAFYAWoGWUJBU0lDcghVTk4wVkg1OQo-CMWyARIENDMzNRiMGCCBciiX040DMNPTjQM4VUABWAFqBllCQVNJQ3IIVU5OMFZINTl6CgjVsAESBDcxNTcKmQEKMQjJhAESAzQ0MBiBciCMGCj3gI8DML2BjwM4TkAAWAFqBllCQVNJQ3IIRU5OMFZINTkKMQjFsgESAzEwMhiMGCCAPSiNh48DMKyKjwM4RUABWAFqBllCQVNJQ3IIRU5OMFZINTkKMQjFsgESAzQ5OBiAPSCSaiiki48DMISPjwM4RUABWAFqBllCQVNJQ3IIRU5OMFZINTkSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $821 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:820.30&airProductToken=AQqmAQoxCMWyARIDNDk5GJJqIIA9KOzJjQMwpM2NAzhFQABYAWoGWUJBU0lDcghFTk4wVkg1OQoxCMWyARIDMTAxGIA9IIwYKKHOjQMw8tGNAzhFQAFYAWoGWUJBU0lDcghFTk4wVkg1OQo-CMWyARIENDM0MBiMGCCBciiL140DMMfXjQM4RUABWAFqBllCQVNJQ3IIRU5OMFZINTl6CgjVsAESBDcxNTkKqAEKPwjFsgESBDI3MDUYgXIgi5IBKMP_jgMwp4CPAzhWQABYAWoGWUJBU0lDcghWTk4ySUg1OXoKCNSgARIEMTA2NQoyCMWyARIDMTAwGIuSASCAPSjvho8DMLGKjwM4VkABWAFqBllCQVNJQ3IIVk5OMklINTkKMQjFsgESAzQ5OBiAPSCSaiiki48DMISPjwM4VkABWAFqBllCQVNJQ3IIVk5OMklINTkSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![Etihad Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/EY.GIF) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $846 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:845.30&airProductToken=AQqmAQoxCMWyARIDNDk5GJJqIIA9KOzJjQMwpM2NAzhVQABYAWoGWUJBU0lDcghVTk4wVkg1OQoxCMWyARIDMTAxGIA9IIwYKKHOjQMw8tGNAzhVQAFYAWoGWUJBU0lDcghVTk4wVkg1OQo-CMWyARIENDMzNRiMGCCBciiX040DMNPTjQM4VUABWAFqBllCQVNJQ3IIVU5OMFZINTl6CgjVsAESBDcxNTcKqAEKPwjFsgESBDI3MDUYgXIgi5IBKMP_jgMwp4CPAzhWQABYAWoGWUJBU0lDcghWTk4ySUg1OXoKCNSgARIEMTA2NQoyCMWyARIDMTAwGIuSASCAPSjvho8DMLGKjwM4VkABWAFqBllCQVNJQ3IIVk5OMklINTkKMQjFsgESAzQ5OBiAPSCSaiiki48DMISPjwM4VkABWAFqBllCQVNJQ3IIVk5OMklINTkSCggBEAEYASoCRVkYASIECAEQASgCKAMoBDAB) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $957 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:956.10&airProductToken=AQqrAQozCNGkARIDOTQ1GJJqIMM7KMPBjQMw-8SNAzhPQABYAWoIRUNMQVNTSUNyCE9MU0dQMVJFCjMI0aQBEgMxNDkYwzsgjBgo38WNAzCNyY0DOE9AAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkUKPwjRpAESBDgwNDgYjBgggXIoms2NAzDbzY0DOFdAAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkV6CQjJhAESAzQ0MQqsAQpACNGkARIEMzY1MRiBciDBaCjr_44DMLaAjwM4V0AAWAFqCEVDTEFTU0lDcghPTFNHUDFSRXoKCNayARIEMTQzNwozCNGkARIDMTQyGMFoIMM7KMKBjwMwuYSPAzhPQAFYAWoIRUNMQVNTSUNyCE9MU0dQMVJFCjMI0aQBEgM5NDQYwzsgkmoosYWPAzCbiY8DOE9AAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $993 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:992.10&airProductToken=AQqrAQozCNGkARIDOTQ1GJJqIMM7KMPBjQMw-8SNAzhPQABYAWoIRUNMQVNTSUNyCE9MU0dQMVJFCjMI0aQBEgMxNDkYwzsgjBgo38WNAzCNyY0DOE9AAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkUKPwjRpAESBDgwNDgYjBgggXIoms2NAzDbzY0DOFdAAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkV6CQjJhAESAzQ0MQqsAQpACNGkARIEMzY0NxiBciDBaCiR_44DMNf_jgM4VEAAWAFqCEVDTEFTU0lDcghUTFNHUDFSRXoKCNayARIEMTQyNwozCNGkARIDMTQyGMFoIMM7KMKBjwMwuYSPAzhUQAFYAWoIRUNMQVNTSUNyCFRMU0dQMVJFCjMI0aQBEgM5NDQYwzsgkmoosYWPAzCbiY8DOFRAAVgBaghFQ0xBU1NJQ3IIVExTR1AxUkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ![Qatar Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/QR.gif) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $1,040 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1039.10&airProductToken=AQqrAQozCNGkARIDOTQ1GJJqIMM7KMPBjQMw-8SNAzhPQABYAWoIRUNMQVNTSUNyCE9MU0dQMVJFCjMI0aQBEgMxNDkYwzsgjBgo38WNAzCNyY0DOE9AAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkUKPwjRpAESBDgwNDgYjBgggXIoms2NAzDbzY0DOFdAAVgBaghFQ0xBU1NJQ3IIT0xTR1AxUkV6CQjJhAESAzQ0MQqsAQpACNGkARIEMzUwMRiBciDBaCj9-Y4DMMP6jgM4UUAAWAFqCEVDTEFTU0lDcghRTFNHUDFSRXoKCNayARIEMTQyMwozCNGkARIDMTM4GMFoIMM7KJP7jgMwiv6OAzhRQAFYAWoIRUNMQVNTSUNyCFFMU0dQMVJFCjMI0aQBEgM5NDIYwzsgkmooyP-OAzCyg48DOFFAAVgBaghFQ0xBU1NJQ3IIUUxTR1AxUkUSCggBEAEYASoCUVIYASIECAEQASgCKAQoBjAB) ![Lufthansa](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LH.gif) Fri, Aug 14 - Sun, Aug 23 SIN Singapore BIO Bilbao $1,607 Roundtrip found 1 day ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:8/14/2026TANYT&leg2=from:BIO,to:SIN,departure:8/23/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1606.70&airProductToken=AQp3Cj8IzJABEgQ5NzY1GJJqIKUEKJOClQMwpIiVAzhVQABYAWoIRUNPU0FWRVJyCFVYMFhEWU5DegkI06IBEgMzMjYKNAjMkAESBDExNDYYpQQggXIo9IiVAzD2iZUDOFVAAVgBaghFQ09TQVZFUnIIVVgwWERZTkMKawo0CMyQARIEMTE0NxiBciClBCjC55UDMMTolQM4V0AAWAFqCEVDT1NBVkVScghXWDBYRFlOQwozCMyQARIDNzgwGKUEIJJqKMbulQMwvvSVAzhXQAFYAWoIRUNPU0FWRVJyCFdYMFhEWU5DEgoIAhABGAIqAkxIGAEiBAgBEAEoAigDKAQwCw) ![Swiss International Air Lines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/LX.gif) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $1,667 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1666.70&airProductToken=AQq3AQo_CMywARIEOTA2MhiSaiDBUii6xI0DMNDFjQM4SEAAWAFqCEVDT1NBVkVScghIWDBYRFlOQ3oJCNOiARIDNzA4CjMIzLABEgMxODEYwVIguTwovsaNAzD_y40DOEhAAVgBaghFQ09TQVZFUnIISFgwWERZTkMKPwjMsAESBDgyMjYYuTwggXIo-tCNAzDt0Y0DOEhAAVgBaghFQ09TQVZFUnIISFgwWERZTkN6CQjXlgESAzIyNgq5AQpACMywARIEMzgyMxiBciClBCiw_Y4DMLL-jgM4VkAAWAFqCEVDT1NBVkVScghWWDBYRFlOQ3oKCMyQARIEMTE0MwpACMywARIEMzYwMxilBCC5PCjRho8DMIiHjwM4VkABWAFqCEVDT1NBVkVScghWWDBYRFlOQ3oKCMyQARIEMTE4NgozCMywARIDMTc2GLk8IJJqKNiMjwMwxpKPAzhWQAFYAWoIRUNPU0FWRVJyCFZYMFhEWU5DEgoIAhABGAIqAkxYGAEiBAgBEAEoAigDKAQwCw) ![British Airways](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/BA.gif) Thu, May 21 - Sat, Jun 6 SIN Singapore BIO Bilbao $1,993 Roundtrip found 3 days ago [](https://expedia.com/Flights-Search?trip=roundtrip&leg1=from:SIN,to:BIO,departure:5/21/2026TANYT&leg2=from:BIO,to:SIN,departure:6/6/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1992.70&airProductToken=AQpuCi4IwoIBEgIxMhiSaiDriQEo-MqNAzDP0Y0DOEJAAFgBagNCQUdyCEJMTkM1MFM2CjwIwoIBEgQ4MTE1GOuJASCBcijm1Y0DMOPWjQM4QkABWAFqA0JBR3IIQkxOQzUwUzZ6CgjWsgESBDgxMTUKbgo8CMKCARIEODExNBiBciDriQEopv2OAzCZ_o4DOEtAAFgBagNCQUdyCEtMTkM1MFM2egoI1rIBEgQ4MTE0Ci4IwoIBEgIxMRjriQEgkmoosYCPAzDlho8DOEtAAVgBagNCQUdyCEtMTkM1MFM2EgoIARABGAEqAkJBGAEiBAgBEAEoAigDMA0) ## Frequently asked questions ### How much is a flight from Singapore Airport to Bilbao Airport (BIO)? ### Do I need to pay a cancellation fee if I cancel my flight from SIN to Bilbao Airport (BIO)? ### How do I find cheap flights from Changi Airport (SIN) to Bilbao Airport (BIO) that have flexible change policies? ### How far is the flight from SIN to Bilbao Airport (BIO)? ### Which airlines fly direct from Singapore Airport to Bilbao Airport? ### Are SIN to Bilbao Airport flight tickets cheaper when they're purchased at the last minute? ## Travel information | Origin airport | Changi | | ------------------- | ----------------------------------------------------------------------------------------------------------------------- | | Destination airport | Bilbao | | Airlines serving | Air Europa, British Airways, Brussels Airlines, Etihad Airways, Lufthansa, Qatar Airways, Swiss International Air Lines | | Roundtrip price | $731 | | Distance | 6995 mi | ## Book with confidence # Singapore to Bilbao Flights The cheapest times to fly from Singapore 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 Singapore to Bilbao are during the month of May. You can find some of the cheapest flights from Singapore to Bilbao with Expedia's search tool and vast selection of airlines. The best time to book a flight from Singapore to Bilbao Sunday is one of the best days to book for cheap flights from Singapore 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 Singapore 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 Singapore to Bilbao in 2026\. You can also book with separate airlines for your outbound and return journeys, from $453 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 Singapore 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 Singapore 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\. The percentages you see are averages. \*Flight schedules are subject to change. \*Available to One Key members.