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Cheap flights from Seattle to Bilbao from $316

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Bilbao departing on 5/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Bilbao

Cheap round-trip flights

Enter your travel dates to find the best prices.
Turkish Airlines Logo
7:10 pm - 11:10 am
SEA
-
BIO
31h 00m
1 stop
Turkish Airlines Logo
6:20 pm - 5:15 pm
BIO
-
SEA
31h 55m
1 stop
$682Turkish Airlines
Wed, Apr 29 - Wed, May 6
Lufthansa Logo
6:50 pm - 5:55 pm
SEA
-
BIO
14h 05m
1 stop
Lufthansa Logo
11:55 am - 4:59 pm
BIO
-
SEA
14h 04m
1 stop
$777Lufthansa
Wed, Jul 22 - Thu, Aug 20
Turkish Airlines Logo
7:10 pm - 11:10 am
SEA
-
BIO
31h 00m
1 stop
Turkish Airlines Logo
12:10 pm - 5:15 pm
BIO
-
SEA
38h 05m
1 stop
$796Turkish Airlines
Sat, May 2 - Fri, May 22
United Airlines Logo
6:50 pm - 11:25 pm
SEA
-
BIO
19h 35m
1 stop
United Airlines Logo
6:50 am - 9:07 pm
BIO
-
SEA
23h 17m
2 stops
$798United Airlines
Wed, Jul 22 - Thu, Aug 20
Turkish Airlines Logo
7:10 pm - 11:10 am
SEA
-
BIO
31h 00m
1 stop
Turkish Airlines Logo
12:10 pm - 5:15 pm
BIO
-
SEA
38h 05m
1 stop
$803Turkish Airlines
Sat, May 2 - Fri, May 22
Multiple Airlines Logo
3:40 pm - 11:10 pm
SEA
-
BIO
22h 30m
2 stops
Multiple Airlines Logo
9:05 pm - 8:40 pm
BIO
-
SEA
32h 35m
3 stops
$832Multiple Airlines
Tue, May 5 - Tue, May 12
Turkish Airlines Logo
7:10 pm - 11:10 am
SEA
-
BIO
31h 00m
1 stop
Turkish Airlines Logo
12:10 pm - 5:15 pm
BIO
-
SEA
38h 05m
1 stop
$841Turkish Airlines
Sat, May 2 - Fri, May 22
Multiple Airlines Logo
7:10 pm - 7:35 am
SEA
-
BIO
27h 25m
2 stops
Multiple Airlines Logo
6:20 pm - 5:15 pm
BIO
-
SEA
31h 55m
1 stop
$842Multiple Airlines
Wed, Apr 29 - Wed, May 6
Scandinavian Airlines Logo
7:15 am - 11:35 am
SEA
-
BIO
43h 20m
2 stops
Scandinavian Airlines Logo
7:35 pm - 1:45 pm
BIO
-
SEA
27h 10m
1 stop
$852Scandinavian Airlines
Sat, May 2 - Fri, May 22
Multiple Airlines Logo
3:40 pm - 8:15 am
SEA
-
BIO
31h 35m
3 stops
Multiple Airlines Logo
9:05 pm - 8:40 pm
BIO
-
SEA
32h 35m
3 stops
$853Multiple Airlines
Tue, May 5 - Tue, May 12

Turkish Airlines flights from Seattle to Bilbao

Our best Turkish Airlines deals on Seattle to Bilbao flight tickets
Turkish Airlines
Sep 1
SEA7:10 pmSeattle/Tacoma Intl
37h 10m
1 stop
BIO5:20 pmBilbao
Sep 8
BIO12:10 pmBilbao
38h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$708
Turkish Airlines
Sep 1
SEA7:10 pmSeattle/Tacoma Intl
37h 10m
1 stop
BIO5:20 pmBilbao
Sep 8
BIO12:10 pmBilbao
38h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$782
Turkish Airlines
May 2
SEA7:10 pmSeattle/Tacoma Intl
31h 00m
1 stop
BIO11:10 amBilbao
May 22
BIO12:10 pmBilbao
38h 05m
1 stop
SEA5:15 pmSeattle/Tacoma Intl
$796

Delta flights from Seattle to Bilbao

Our best Delta deals on Seattle to Bilbao flight tickets
Delta
Sep 1
SEA7:20 amSeattle/Tacoma Intl
18h 55m
2 stops
BIO11:15 amBilbao
Sep 8
BIO6:45 amBilbao
18h 50m
1 stop
SEA4:35 pmSeattle/Tacoma Intl
$767
Delta
Sep 1
SEA7:20 amSeattle/Tacoma Intl
18h 55m
2 stops
BIO11:15 amBilbao
Sep 8
BIO10:30 amBilbao
20h 47m
2 stops
SEA10:17 pmSeattle/Tacoma Intl
$784
Delta
Sep 28
SEA12:00 pmSeattle/Tacoma Intl
19h 30m
2 stops
BIO4:30 pmBilbao
Oct 18
BIO7:10 amBilbao
13h 05m
1 stop
SEA11:15 amSeattle/Tacoma Intl
$794

momondo 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, momondo users made 832,500 searches. Data last updated April 24, 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

Price

Cheapest round-trip

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 4/29

7:10 pm-11:10 am

1 stop31h 00m

Bilbao

Wed 5/6

6:20 pm-5:15 pm

1 stop31h 55m

$682
Quickest round-trip

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 7/22

6:50 pm-5:55 pm

1 stop14h 05m

Bilbao

Thu 8/20

11:55 am-4:59 pm

1 stop14h 04m

$777

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 5/2

7:10 pm-11:10 am

1 stop31h 00m

Bilbao

Fri 5/22

12:10 pm-5:15 pm

1 stop38h 05m

$796

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 7/22

6:50 pm-11:25 pm

1 stop19h 35m

Bilbao

Thu 8/20

6:50 am-9:07 pm

2 stops23h 17m

$798

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 5/2

7:10 pm-11:10 am

1 stop31h 00m

Bilbao

Fri 5/22

12:10 pm-5:15 pm

1 stop38h 05m

$803

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 5/5

3:40 pm-11:10 pm

2 stops22h 30m

Bilbao

Tue 5/12

9:05 pm-8:40 pm

3 stops32h 35m

$832

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 5/2

7:10 pm-11:10 am

1 stop31h 00m

Bilbao

Fri 5/22

12:10 pm-5:15 pm

1 stop38h 05m

$841

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Wed 4/29

7:10 pm-7:35 am

2 stops27h 25m

Bilbao

Wed 5/6

6:20 pm-5:15 pm

1 stop31h 55m

$842

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Sat 5/2

7:15 am-11:35 am

2 stops43h 20m

Bilbao

Fri 5/22

7:35 pm-1:45 pm

1 stop27h 10m

$852

SeattleBilbao

SEA - BIO

SEABIO

Seattle/Tacoma Intl

Tue 5/5

3:40 pm-8:15 am

3 stops31h 35m

Bilbao

Tue 5/12

9:05 pm-8:40 pm

3 stops32h 35m

$853

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Seattle to Bilbao

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Seattle and Bilbao?

When to book flights from Seattle to Bilbao

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Bilbao according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Bilbao (SEA to BIO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Bilbao

Fastest flight time

13h 40m

Direct flights

None
The fastest flight from Seattle to Bilbao takes 13h 40m
There are no direct flights from Seattle to Bilbao. There are no popular flight routes from Seattle to Bilbao.
Search flight deals

Frequently asked questions about flying from Seattle to Bilbao

  • How far is Seattle/Tacoma Intl to Bilbao by plane?

    The distance between Seattle/Tacoma Intl and Bilbao is about 5152.4 mi. 13h 40m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Bilbao Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Bilbao Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Bilbao Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Bilbao Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Bilbao Airport.

  • What documentation or ID do you need to fly to Bilbao Airport?

    The travel and health documents required for your trip to Bilbao Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Bilbao Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Seattle to Bilbao?

Best airlines flying from Seattle to Bilbao

Compare and see reviews for airlines that fly from Seattle to Bilbao with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $484Free CancellationRating
7.4
9,644 reviews
Search United Airlines flights
LufthansaPriceFrom $514Free CancellationRating
6.8
7,946 reviews
Search Lufthansa flights
KLMPriceFrom $586Free CancellationRating
7.8
1,508 reviews
Search KLM flights
DeltaPriceFrom $731Free CancellationRating
7.9
8,452 reviews
Search Delta flights

Traveling to a place near Bilbao?

Book flights to Bilbao if you plan to visit one of these locations
Getxo
Laredo
Lekeitio

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Bilbao?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bilbao from Seattle.

Can I find flights from Seattle to Bilbao with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Bilbao flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Bilbao?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Bilbao from Seattle.

I’m not ready to book a flight from Seattle to Bilbao right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Bilbao now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bilbao and let you know when they change.

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