$598+ Cheap flights from Bilbao (BIO) to Seattle (SEA)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/5. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SEA
Nov 12 — Nov 191
Round-trip
1 adult, Economy
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Cheapest flights from Bilbao to SeattleExplore the most affordable flight options available from Bilbao to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
Explore the most affordable flight options available from Bilbao to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2026.
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:50 am -
2 stops18h 10m
Wed 12/22:35 pm -
2 stops19h 00m
Deal found 10/11![Multiple Airlines logo]()
$825
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:30 am -
2 stops18h 10m
Tue 10/273:35 pm -
2 stops22h 55m
Deal found 10/10![Multiple Airlines logo]()
$838
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:55 pm -
2 stops27h 10m
Wed 11/46:45 pm -
1 stop14h 50m
Deal found 10/11![Multiple Airlines logo]()
$865
This Rumbo deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:25 pm -
1 stop31h 55m
Tue 10/278:05 pm -
1 stop36h 10m
Deal found 10/12![Turkish Airlines logo]()
$866
This Rumbo deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:55 am -
1 stop38h 15m
Fri 11/68:05 pm -
1 stop35h 10m
Deal found 10/8![Turkish Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:50 pm -
2 stops28h 15m
Fri 11/66:45 pm -
1 stop14h 50m
Deal found 10/8![Multiple Airlines logo]()
$870
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:00 pm -
1 stop13h 35m
Tue 10/275:05 pm -
1 stop16h 20m
Deal found 10/9![Delta logo]()
$893
This lol.travel deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:55 am -
1 stop38h 15m
Wed 11/48:05 pm -
1 stop29h 50m
Deal found 10/11![Turkish Airlines logo]()
$897
Best flights from Bilbao to SeattleDiscover carefully curated flight deals from Bilbao to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
Discover carefully curated flight deals from Bilbao to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 13, 2026.
This Delta deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/96:50 am -
1 stop13h 57m
Sun 2/216:05 am -
2 stops20h 25m
Deal found 10/12![Delta logo]()
$849
This Cheapflightsfares deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/87:30 am -
1 stop14h 30m
Mon 1/181:50 pm -
2 stops24h 20m
Deal found 10/10![Lufthansa logo]()
$872
This United Airlines deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/296:45 am -
2 stops20h 47m
Thu 2/41:50 pm -
1 stop24h 00m
Deal found 10/11![United Airlines logo]()
$877
This Air Canada deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:30 am -
2 stops19h 52m
Mon 1/187:05 pm -
2 stops36h 55m
Deal found 10/12![Air Canada logo]()
$882
This United Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/147:30 am -
2 stops22h 47m
Mon 1/181:50 pm -
1 stop18h 10m
Deal found 10/10![United Airlines logo]()
$889
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:45 am -
1 stop18h 50m
Tue 10/2711:45 am -
2 stops21h 40m
Deal found 10/9![Delta logo]()
$893
This Delta deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/86:50 am -
2 stops21h 33m
Mon 1/186:00 am -
2 stops20h 30m
Deal found 10/11![Delta logo]()
$899
Last-minute flights from Bilbao to SeattleDiscover last-minute flight deals from Bilbao to Seattle. Data last updated October 13, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to Seattle. Data last updated October 13, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2211:30 am -
2 stops18h 10m
Tue 10/273:35 pm -
2 stops22h 55m
Deal found 10/10![Multiple Airlines logo]()
$838
This Rumbo deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:25 pm -
1 stop31h 55m
Tue 10/278:05 pm -
1 stop36h 10m
Deal found 10/12![Turkish Airlines logo]()
$866
This Delta deal was found by Cheapflights users on 10/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2312:00 pm -
1 stop13h 35m
Tue 10/275:05 pm -
1 stop16h 20m
Deal found 10/9![Delta logo]()
$893
This Rumbo deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2611:55 am -
1 stop38h 15m
Fri 11/68:05 pm -
1 stop35h 10m
Deal found 10/8![Turkish Airlines logo]()
$867
This Kiwi.com deal was found by Cheapflights users on 10/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:50 pm -
2 stops28h 15m
Fri 11/66:45 pm -
1 stop14h 50m
Deal found 10/8![Multiple Airlines logo]()
$870
This Kiwi.com deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3010:55 pm -
2 stops27h 10m
Wed 11/46:45 pm -
1 stop14h 50m
Deal found 10/11![Multiple Airlines logo]()
$865
This lol.travel deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:55 am -
1 stop38h 15m
Wed 11/48:05 pm -
1 stop29h 50m
Deal found 10/11![Turkish Airlines logo]()
$897
This Mytrip deal was found by Cheapflights users on 10/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/257:50 am -
2 stops18h 10m
Wed 12/22:35 pm -
2 stops19h 00m
Deal found 10/11![Multiple Airlines logo]()
$825
One-way flights from Bilbao to SeattleSearch for one-way flight options from Bilbao to Seattle. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
Search for one-way flight options from Bilbao to Seattle. Find affordable one-way fares based on user searches. Data last updated October 13, 2026.
This Trip.com deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/56:00 pm -
2 stops48h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Multiple Airlines logo]()
$598
This Kiwi.com deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/307:05 am -
3 stops25h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Multiple Airlines logo]()
$707
This Kiwi.com deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:45 pm -
3 stops55h 09m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Multiple Airlines logo]()
$720
This oojo deal was found by Cheapflights users on 10/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3011:55 am -
1 stop38h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/12![Turkish Airlines logo]()
$772
This Turkish Airlines deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/65:15 pm -
1 stop32h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Turkish Airlines logo]()
$803
This FlightHub deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/304:50 pm -
2 stops39h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Aer Lingus logo]()
$810
This oojo deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/511:55 am -
1 stop38h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Turkish Airlines logo]()
$844
This Expedia deal was found by Cheapflights users on 10/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:05 pm -
1 stop27h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/13![Iberia logo]()
$896
This Ovago deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/61:35 pm -
2 stops30h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![British Airways logo]()
$899
This FlightHub deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/65:05 pm -
1 stop32h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Iberia logo]()
$949
This KAYAK deal was found by Cheapflights users on 10/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/511:00 pm -
2 stops45h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/10![Iberia logo]()
$1,001
Find flight deals from Bilbao to Seattle
Discover tips and strategies to find the most affordable flight options for your journey from Bilbao (BIO) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $628 (Trip.com) |
One-way from | $598 (Trip.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Bilbao to Seattle that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated October 13, 2026.
Use the filters below to find and compare flights from Bilbao to Seattle that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Tue 1/5
6:00 pm-9:32 am
2 stops48h 32m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$598
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Wed 12/30
7:05 am-11:53 pm
3 stops25h 48m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$707
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Fri 10/30
8:45 pm-7:54 pm
3 stops55h 09m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$720
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Fri 10/30
11:55 am-6:10 pm
1 stop38h 15m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$772
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Wed 1/6
5:15 pm-5:10 pm
1 stop32h 55m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$803
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Wed 12/30
4:50 pm-11:42 pm
2 stops39h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$810
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Tue 2/9
6:50 am-11:47 am
1 stop13h 57m
Seattle/Tacoma Intl
Sun 2/21
6:05 am-11:30 am
2 stops20h 25m
$849
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Fri 1/8
7:30 am-1:00 pm
1 stop14h 30m
Seattle/Tacoma Intl
Mon 1/18
1:50 pm-11:10 pm
2 stops24h 20m
$872
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Fri 1/29
6:45 am-6:32 pm
2 stops20h 47m
Seattle/Tacoma Intl
Thu 2/4
1:50 pm-10:50 pm
1 stop24h 00m
$877
BilbaoSeattle
BIO Bilbao - SEA Seattle/Tacoma Intl
BIOSEA
Bilbao
Thu 1/14
7:30 am-6:22 pm
2 stops19h 52m
Seattle/Tacoma Intl
Mon 1/18
7:05 pm-5:00 pm
2 stops36h 55m
$882
Showing 1-10 of 18 resultsSorted by cheapest first
- Most accurate provider: When it comes to deals on Bilbao-Seattle flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bilbao-Seattle flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bilbao-Seattle flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Bilbao-Seattle flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bilbao-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from Bilbao to Seattle
Have a flexible travel schedule? Discover the best time to fly to Seattle from Bilbao with our price prediction graph.
BIO-SEA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Bilbao to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Seattle?
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Ellensburg
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