$395+ Cheap flights from Bilbao (BIO) to Seattle (SEA)
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 5/14. Fares are subject to change and may not be available on all flights or dates of travel.
BIO — SEA
Απρ 11 — Απρ 181
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Bilbao to Seattle 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
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
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 Bilbao to Seattle
Cheapest
Best
Last-minute
One-way
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 Μάρτιος 12, 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 Μάρτιος 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/288:55 am
BIO
- SEA
2 stops34h 45m
Multiple Airlines
Δευ 1/112:00 pm
SEA
- BIO
1 stop17h 45m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$761
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/2812:00 pm
BIO
- SEA
1 stop13h 30m
Delta
Τρι 1/126:00 am
SEA
- BIO
2 stops20h 30m
Delta
Deal found 3/10![Delta logo]()
$815
This Cheapflightsfares deal was found by Cheapflights users on 3/9. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/286:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Τρι 1/122:00 pm
SEA
- BIO
1 stop23h 50m
Lufthansa
Deal found 3/9![Lufthansa logo]()
$820
This Lufthansa deal was found by Cheapflights users on 3/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 4/236:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Πεμ 4/302:10 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Deal found 3/10![Lufthansa logo]()
$837
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 Μάρτιος 12, 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 Μάρτιος 12, 2026.
This Delta deal was found by Cheapflights users on 3/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/2812:00 pm
BIO
- SEA
1 stop13h 30m
Delta
Τρι 1/126:00 am
SEA
- BIO
2 stops20h 30m
Delta
Deal found 3/10![Delta logo]()
$815
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 5/286:50 am
BIO
- SEA
1 stop18h 40m
Multiple Airlines
Δευ 1/112:05 pm
SEA
- BIO
1 stop23h 20m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$818
This Lufthansa deal was found by Cheapflights users on 3/8. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 4/236:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Πεμ 4/302:10 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Deal found 3/8![Lufthansa logo]()
$838
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Πεμ 4/236:50 am
BIO
- SEA
2 stops21h 10m
United Airlines
Πεμ 4/302:27 pm
SEA
- BIO
2 stops18h 28m
United Airlines
Deal found 3/10![United Airlines logo]()
$848
This Delta deal was found by Cheapflights users on 3/9. 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.
Τετ 9/212:00 pm
BIO
- SEA
1 stop13h 35m
Delta
Κυρ 9/137:30 am
SEA
- BIO
2 stops18h 45m
Delta
Deal found 3/9![Delta logo]()
$852
Last-minute flights from Bilbao to SeattleDiscover last-minute flight deals from Bilbao to Seattle. Data last updated Μάρτιος 12, 2026 and is based on user searches.
Discover last-minute flight deals from Bilbao to Seattle. Data last updated Μάρτιος 12, 2026 and is based on user searches.
This KLM deal was found by Cheapflights users on 3/9. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Δευ 3/165:20 pm
BIO
- SEA
1 stop27h 15m
Multiple Airlines
Δευ 3/233:10 pm
SEA
- BIO
1 stop18h 10m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$895
This KLM deal was found by Cheapflights users on 3/10. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 3/2011:55 am
BIO
- SEA
1 stop32h 40m
Multiple Airlines
Τετ 3/253:10 pm
SEA
- BIO
1 stop18h 10m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$892
This KLM deal was found by Cheapflights users on 3/11. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 3/267:25 am
BIO
- SEA
1 stop13h 00m
KLM
Δευ 3/305:35 pm
SEA
- BIO
1 stop32h 40m
KLM
Deal found 3/11![KLM logo]()
$881
This Delta deal was found by Cheapflights users on 3/12. 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.
Πεμ 3/267:25 am
BIO
- SEA
1 stop13h 00m
Delta
Δευ 3/305:35 pm
SEA
- BIO
1 stop32h 40m
Delta
Deal found 3/12![Delta logo]()
$904
This Lufthansa deal was found by Cheapflights users on 3/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Πεμ 4/236:50 am
BIO
- SEA
1 stop14h 30m
Lufthansa
Πεμ 4/302:10 pm
SEA
- BIO
1 stop14h 05m
Lufthansa
Deal found 3/10![Lufthansa logo]()
$837
This United Airlines deal was found by Cheapflights users on 3/10. 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.
Πεμ 4/236:50 am
BIO
- SEA
2 stops21h 10m
United Airlines
Πεμ 4/302:27 pm
SEA
- BIO
2 stops18h 28m
United Airlines
Deal found 3/10![United Airlines logo]()
$848
This Lufthansa deal was found by Cheapflights users on 3/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Παρ 4/246:45 am
BIO
- SEA
1 stop14h 35m
Lufthansa
Παρ 5/16:50 pm
SEA
- BIO
1 stop19h 35m
Lufthansa
Deal found 3/10![Lufthansa logo]()
$843
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 Μάρτιος 12, 2026.
Search for one-way flight options from Bilbao to Seattle. Find affordable one-way fares based on user searches. Data last updated Μάρτιος 12, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Πεμ 5/142:20 pm
BIO
- SEA
3 stops34h 40m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$395
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Σαβ 6/139:40 pm
BIO
- SEA
2 stops48h 21m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$493
This Kiwi.com deal was found by Cheapflights users on 3/11. 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.
Δευ 6/158:35 pm
BIO
- SEA
2 stops46h 20m
Multiple Airlines
Deal found 3/11![Multiple Airlines logo]()
$496
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Κυρ 8/161:45 pm
BIO
- SEA
3 stops35h 15m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 3/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Κυρ 6/218:30 pm
BIO
- SEA
2 stops29h 40m
Multiple Airlines
Deal found 3/9![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 3/8. 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.
Δευ 8/1710:25 pm
BIO
- SEA
3 stops27h 45m
Multiple Airlines
Deal found 3/8![Multiple Airlines logo]()
$551
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τρι 7/219:40 pm
BIO
- SEA
3 stops52h 30m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$618
This Kiwi.com deal was found by Cheapflights users on 3/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Τετ 7/2212:50 pm
BIO
- SEA
3 stops37h 20m
Multiple Airlines
Deal found 3/10![Multiple Airlines logo]()
$628
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 Μάρτιος 12, 2026.
Round-trip from | $758 (Kiwi.com) |
|---|---|
One-way from | $395 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $851 |
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 2,558,603 searches. Data last updated Μάρτιος 12, 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 - SEA
BIOSEA
Bilbao
Πεμ 5/28
12:00 pm-4:30 pm
1 stop13h 30m
Seattle/Tacoma Intl
Τρι 1/12
6:00 am-11:30 am
2 stops20h 30m
$815
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Πεμ 5/28
6:50 am-4:30 pm
1 stop18h 40m
Seattle/Tacoma Intl
Δευ 1/11
2:05 pm-10:25 pm
1 stop23h 20m
$818
Quickest round-trip
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Πεμ 4/23
6:50 am-12:20 pm
1 stop14h 30m
Seattle/Tacoma Intl
Πεμ 4/30
2:10 pm-1:15 pm
1 stop14h 05m
$838
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Πεμ 4/23
6:50 am-7:00 pm
2 stops21h 10m
Seattle/Tacoma Intl
Πεμ 4/30
2:27 pm-5:55 pm
2 stops18h 28m
$848
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Τετ 9/2
12:00 pm-4:35 pm
1 stop13h 35m
Seattle/Tacoma Intl
Κυρ 9/13
7:30 am-11:15 am
2 stops18h 45m
$852
Cheapest one-way
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Σαβ 6/13
9:40 pm-1:01 pm
2 stops48h 21m
$493
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Δευ 6/15
8:35 pm-9:55 am
2 stops46h 20m
$496
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Κυρ 6/21
8:30 pm-5:10 pm
2 stops29h 40m
$523
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Δευ 6/15
6:05 pm-5:10 pm
1 stop32h 05m
$648
Quickest one-way
BilbaoSeattle
BIO - SEA
BIOSEA
Bilbao
Παρ 4/24
6:45 am-4:00 pm
1 stop18h 15m
$760
Showing 1-10 of 12 resultsSorted by cheapest first
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?
Book flights to Seattle if you plan to visit one of these locationsTacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Kent
Lynnwood
Edmonds
Lacey
Renton
Puyallup
Kirkland
Tukwila
Fife
Aberdeen
Shoreline
Marysville
Centralia
Federal Way
Chehalis
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Seattle flight routes