$228+ Cheap flights from Seattle (SEA) to Bilbao (BIO)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BIO
Jul 23 — Jul 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Bilbao with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Bilbao
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Best
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Cheapest flights from Seattle to BilbaoExplore the most affordable flight options available from Seattle to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
Explore the most affordable flight options available from Seattle to Bilbao. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2026.
This oojo deal was found by Cheapflights users on 6/21. 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.
Sun 9/276:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Thu 10/86:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Deal found 6/21![Lufthansa logo]()
$705
This oojo deal was found by Cheapflights users on 6/23. 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.
Mon 10/122:10 pm
SEA
- BIO
1 stop14h 10m
Lufthansa
Thu 10/226:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Deal found 6/23![Lufthansa logo]()
$717
This Mytrip deal was found by Cheapflights users on 6/22. 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.
Mon 8/243:40 pm
SEA
- BIO
3 stops31h 35m
Multiple Airlines
Mon 8/316:50 pm
BIO
- SEA
3 stops35h 17m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$740
This Delta deal was found by Cheapflights users on 6/22. 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.
Sun 9/276:00 am
SEA
- BIO
2 stops18h 50m
Delta
Thu 10/86:45 am
BIO
- SEA
2 stops19h 14m
Delta
Deal found 6/22![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 10/1211:14 pm
SEA
- BIO
2 stops39h 11m
United Airlines
Thu 10/226:50 am
BIO
- SEA
2 stops24h 52m
United Airlines
Deal found 6/22![United Airlines logo]()
$743
This oojo deal was found by Cheapflights users on 6/18. 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.
Wed 10/283:50 pm
SEA
- BIO
1 stop18h 15m
Lufthansa
Sun 11/86:45 am
BIO
- SEA
1 stop14h 15m
Lufthansa
Deal found 6/18![Lufthansa logo]()
$757
This Gotogate deal was found by Cheapflights users on 6/18. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/283:00 pm
SEA
- BIO
1 stop23h 50m
Multiple Airlines
Sun 11/86:45 am
BIO
- SEA
2 stops20h 37m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$765
Best flights from Seattle to BilbaoDiscover carefully curated flight deals from Seattle to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
Discover carefully curated flight deals from Seattle to Bilbao that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 23, 2026.
This Delta deal was found by Cheapflights users on 6/18. 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.
Sun 9/276:00 am
SEA
- BIO
2 stops18h 50m
Delta
Thu 10/86:45 am
BIO
- SEA
2 stops19h 14m
Delta
Deal found 6/18![Delta logo]()
$741
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Mon 10/1211:14 pm
SEA
- BIO
2 stops39h 11m
United Airlines
Thu 10/226:50 am
BIO
- SEA
2 stops24h 52m
United Airlines
Deal found 6/20![United Airlines logo]()
$743
This KLM deal was found by Cheapflights users on 6/20. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/11:30 pm
SEA
- BIO
1 stop35h 20m
KLM
Tue 9/85:15 pm
BIO
- SEA
1 stop27h 32m
KLM
Deal found 6/20![KLM logo]()
$817
This Finnair deal was found by Cheapflights users on 6/19. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/12:07 pm
SEA
- BIO
2 stops24h 08m
Multiple Airlines
Tue 9/86:45 am
BIO
- SEA
2 stops26h 14m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$841
This Delta deal was found by Cheapflights users on 6/21. 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 9/17:15 am
SEA
- BIO
2 stops19h 00m
Delta
Tue 9/86:45 am
BIO
- SEA
2 stops18h 45m
Delta
Deal found 6/21![Delta logo]()
$835
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 8/153:30 pm
SEA
- BIO
2 stops36h 50m
United Airlines
Thu 9/36:50 am
BIO
- SEA
1 stop14h 05m
United Airlines
Deal found 6/23![United Airlines logo]()
$846
This KLM deal was found by Cheapflights users on 6/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/61:50 pm
SEA
- BIO
1 stop23h 55m
KLM
Thu 8/205:15 pm
BIO
- SEA
1 stop32h 12m
KLM
Deal found 6/22![KLM logo]()
$870
This United Airlines deal was found by Cheapflights users on 6/19. 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 9/48:10 am
SEA
- BIO
2 stops24h 45m
United Airlines
Fri 9/116:45 am
BIO
- SEA
2 stops36h 07m
United Airlines
Deal found 6/19![United Airlines logo]()
$883
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Sun 8/163:54 pm
SEA
- BIO
2 stops17h 01m
United Airlines
Sun 8/306:50 am
BIO
- SEA
2 stops19h 52m
United Airlines
Deal found 6/21![United Airlines logo]()
$893
This United Airlines deal was found by Cheapflights users on 6/21. 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.
Mon 8/3111:04 pm
SEA
- BIO
2 stops39h 01m
United Airlines
Sun 9/137:40 am
BIO
- SEA
1 stop18h 19m
United Airlines
Deal found 6/21![United Airlines logo]()
$899
Last-minute flights from Seattle to BilbaoDiscover last-minute flight deals from Seattle to Bilbao. Data last updated June 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Bilbao. Data last updated June 23, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/20. 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.
Sat 7/187:30 am
SEA
- BIO
1 stop18h 15m
United Airlines
Sat 7/2511:55 am
BIO
- SEA
1 stop14h 04m
United Airlines
Deal found 6/20![United Airlines logo]()
$1,034
This United Airlines deal was found by Cheapflights users on 6/22. 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.
Mon 7/2011:11 pm
SEA
- BIO
2 stops26h 34m
United Airlines
Mon 7/272:10 pm
BIO
- SEA
2 stops35h 49m
United Airlines
Deal found 6/22![United Airlines logo]()
$951
This Delta deal was found by Cheapflights users on 6/19. 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 7/211:45 pm
SEA
- BIO
1 stop17h 45m
Delta
Tue 7/287:10 am
BIO
- SEA
2 stops21h 01m
Delta
Deal found 6/19![Delta logo]()
$925
This oojo deal was found by Cheapflights users on 6/19. 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 7/216:50 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Tue 7/287:15 am
BIO
- SEA
1 stop18h 44m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$943
This Mytrip deal was found by Cheapflights users on 6/19. 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.
Tue 7/213:40 pm
SEA
- BIO
2 stops18h 05m
Multiple Airlines
Tue 7/286:40 pm
BIO
- SEA
3 stops32h 15m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$954
This KLM deal was found by Cheapflights users on 6/19. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:35 pm
SEA
- BIO
1 stop18h 25m
Multiple Airlines
Thu 7/307:10 am
BIO
- SEA
1 stop13h 05m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$996
This Booking.com deal was found by Cheapflights users on 6/19. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/226:50 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Thu 7/306:50 am
BIO
- SEA
2 stops19h 09m
Lufthansa
Deal found 6/19![Lufthansa logo]()
$1,048
One-way flights from Seattle to BilbaoSearch for one-way flight options from Seattle to Bilbao. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
Search for one-way flight options from Seattle to Bilbao. Find affordable one-way fares based on user searches. Data last updated June 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Sun 10/48:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$228
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 10/58:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$250
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Tue 10/68:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$271
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 10/78:00 am
SEA
- BIO
3 stops30h 15m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$284
This Kiwi.com deal was found by Cheapflights users on 6/22. 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.
Thu 10/88:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$302
This Delta deal was found by Cheapflights users on 6/22. 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.
Sun 10/46:45 pm
SEA
- BIO
1 stop13h 45m
Delta
Deal found 6/22![Delta logo]()
$346
This Kiwi.com deal was found by Cheapflights users on 6/22. 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 10/98:00 am
SEA
- BIO
3 stops25h 35m
Multiple Airlines
Deal found 6/22![Multiple Airlines logo]()
$353
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 8/53:40 pm
SEA
- BIO
2 stops21h 30m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$362
Find flight deals from Seattle to Bilbao
Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Bilbao (BIO). 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 June 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $705 (oojo) |
One-way from | $228 (Kiwi.com) |
Popular in | July |
Cheapest in | January |
Average price | $1,051 |
Cheapflights Fare Finder
Customize your flight search to find flights from Seattle to Bilbao 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 2,558,603 searches. Data last updated June 23, 2026.
Use the filters below to find and compare flights from Seattle to Bilbao that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sun 9/27
6:00 am-9:50 am
2 stops18h 50m
Bilbao
Thu 10/8
6:45 am-4:59 pm
2 stops19h 14m
$741
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Mon 10/12
11:14 pm-11:25 pm
2 stops39h 11m
Bilbao
Thu 10/22
6:50 am-10:42 pm
2 stops24h 52m
$743
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Tue 9/1
1:30 pm-9:50 am
1 stop35h 20m
Bilbao
Tue 9/8
5:15 pm-11:47 am
1 stop27h 32m
$817
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Tue 9/1
7:15 am-11:15 am
2 stops19h 00m
Bilbao
Tue 9/8
6:45 am-4:30 pm
2 stops18h 45m
$835
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Tue 9/1
2:07 pm-11:15 pm
2 stops24h 08m
Bilbao
Tue 9/8
6:45 am-11:59 pm
2 stops26h 14m
$841
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sat 8/15
3:30 pm-1:20 pm
2 stops36h 50m
Bilbao
Thu 9/3
6:50 am-11:55 am
1 stop14h 05m
$846
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Thu 8/6
1:50 pm-10:45 pm
1 stop23h 55m
Bilbao
Thu 8/20
5:15 pm-4:27 pm
1 stop32h 12m
$870
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Fri 9/4
8:10 am-5:55 pm
2 stops24h 45m
Bilbao
Fri 9/11
6:45 am-9:52 am
2 stops36h 07m
$883
Quickest round-trip
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Sun 8/16
3:54 pm-5:55 pm
2 stops17h 01m
Bilbao
Sun 8/30
6:50 am-5:42 pm
2 stops19h 52m
$893
SeattleBilbao
SEA - BIO
SEABIO
Seattle/Tacoma Intl
Mon 8/31
11:04 pm-11:05 pm
2 stops39h 01m
Bilbao
Sun 9/13
7:40 am-4:59 pm
1 stop18h 19m
$899
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Seattle to Bilbao
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Bilbao in June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Seattle-Bilbao flights, users find the pricing of Ovago to be most consistent on Cheapflights vs. Ovago Users can find the same prices on Seattle-Bilbao flight deals on Cheapflights vs. Ovago >95% of the time. Price accuracy is based on data collected from Seattle-Bilbao flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Seattle-Bilbao flights, Cheapflights users trust Ovago the most. Ovago 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 Seattle-Bilbao 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 Seattle to Bilbao
Have a flexible travel schedule? Discover the best time to fly to Bilbao from Seattle with our price prediction graph.
SEA-BIO
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Bilbao
Reviews of airlines servicing Bilbao
Get insights into the airlines that provide service to Bilbao. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Bilbao. Reviews last updated June 23, 2026.
Peruse reviews from past customers who have flown with KLM,Delta, andUnited Airlines from Seattle to Bilbao to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Comfort
7.7
Entertainment
7.2
Food
7.3
Crew
8.4
Boarding
7.8
Overall
7.8
Reviews
1 / 20
6.0
GoodAnonymous,Apr 2026
OKC - ATL
Related info for your journey
Find useful and relevant information for your journey from Seattle to Bilbao. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Other flights to Bilbao
Explore flights to Bilbao departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Complete your trip
Complete your trip to Bilbao by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Seattle to Bilbao by cabin class
Find flights from Seattle to Bilbao, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Bilbao flights
Browse other Seattle and Bilbao flight options. Last updated on June 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on June 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 4 airlines flying from Seattle to Bilbao
Discover the top 4 airlines that operate flights from Seattle to Bilbao. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$484 | Average$940 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$514 | Average$913 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$586 | Average$1,064 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$654 | Average$1,050 | FlexibilityNo cancel fee | On-timeN/A |