How long does it take to fly to San Sebastian?

On average, it takes 18h 40m to fly from State of Washington to San Sebastian if you fly out of Seattle (the most popular airport in State of Washington) and into Bilbao (the most popular airport in San Sebastian). If you’re flying out of Pasco and into Bilbao, then the flight time is around 23h.

When did momondo last update prices for flights from Washington to San Sebastián Airport?

Prices for flights from Washington to San Sebastián Airport are refreshed on a daily basis.

How old do you have to be to fly from Washington to San Sebastián 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 Washington to San Sebastián Airport.

What documentation or ID do you need to fly to San Sebastián Airport?

The travel and health documents required for your trip to San Sebastián 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 San Sebastián Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$573 Cheap Flights from Washington to San Sebastian in 2025

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Find the cheapest flights from Washington to San Sebastian

Round-trip

One-way

Cheap round-trip flights

2:35 pm - 8:50 pmSEA-EAS

22h 15m2 stops

9:30 pm - 11:18 pmEAS-SEA

34h 48m2 stops

$820Iberia

Find Deal

Fri, Oct 31 - Tue, Nov 4

2:35 pm - 8:50 pmSEA-EAS

22h 15m2 stops

9:20 am - 11:24 pmEAS-SEA

23h 04m2 stops

$897Iberia

Find Deal

Fri, Oct 31 - Tue, Nov 4

12:34 am - 8:50 pmSEA-EAS

36h 16m2 stops

9:20 am - 8:39 pmEAS-SEA

20h 19m2 stops

$1,011American Airlines

Find Deal

Thu, Oct 30 - Tue, Nov 4

12:34 am - 8:50 pmSEA-EAS

36h 16m2 stops

1:40 pm - 10:24 pmEAS-SEA

41h 44m2 stops

$1,059American Airlines

Find Deal

Thu, Oct 30 - Tue, Nov 4

7:44 am - 8:40 amSEA-EAS

39h 56m2 stops

9:20 am - 8:37 pmEAS-SEA

20h 17m2 stops

$1,185Iberia

Find Deal

Thu, Aug 21 - Tue, Sep 2

11:42 am - 8:40 amSEA-EAS

35h 58m2 stops

9:30 pm - 8:17 pmEAS-SEA

31h 47m2 stops

$1,205Iberia

Find Deal

Thu, Aug 21 - Tue, Sep 2

12:46 am - 8:40 amSEA-EAS

46h 54m2 stops

9:30 pm - 8:09 pmEAS-SEA

31h 39m2 stops

$1,218

Find Deal

Wed, Aug 20 - Tue, Sep 2

7:00 pm - 8:20 amSEA-EAS

28h 20m3 stops

1:30 pm - 3:05 pmEAS-SEA

34h 35m3 stops

$1,612

Find Deal

Thu, Aug 21 - Tue, Sep 2

7:35 pm - 8:20 amSEA-EAS

27h 45m2 stops

1:30 pm - 3:05 pmEAS-SEA

34h 35m3 stops

$1,702

Find Deal

Thu, Aug 21 - Tue, Sep 2

Iberia flights from State of Washington to San Sebastian

Our best Iberia deals on State of Washington to San Sebastian flight tickets

Iberia

Oct 31

SEA2:35 pmSeattle/Tacoma Intl

22h 15m

2 stops

EAS8:50 pmSan Sebastián

Nov 4

EAS9:30 pmSan Sebastián

34h 48m

2 stops

SEA11:18 pmSeattle/Tacoma Intl

$820

Find similar

Iberia

Oct 31

SEA2:35 pmSeattle/Tacoma Intl

22h 15m

2 stops

EAS8:50 pmSan Sebastián

Nov 4

EAS9:20 amSan Sebastián

23h 04m

2 stops

SEA11:24 pmSeattle/Tacoma Intl

$897

Find similar

Iberia

Aug 21

SEA7:44 amSeattle/Tacoma Intl

39h 56m

2 stops

EAS8:40 amSan Sebastián

Sep 2

EAS9:20 amSan Sebastián

20h 17m

2 stops

SEA8:37 pmSeattle/Tacoma Intl

$1,185

Find similar

American Airlines flights from State of Washington to San Sebastian

Our best American Airlines deals on State of Washington to San Sebastian flight tickets

American Airlines

Oct 30

SEA12:34 amSeattle/Tacoma Intl

36h 16m

2 stops

EAS8:50 pmSan Sebastián

Nov 4

EAS9:20 amSan Sebastián

20h 19m

2 stops

SEA8:39 pmSeattle/Tacoma Intl

$1,011

Find similar

American Airlines

Oct 30

SEA12:34 amSeattle/Tacoma Intl

36h 16m

2 stops

EAS8:50 pmSan Sebastián

Nov 4

EAS1:40 pmSan Sebastián

41h 44m

2 stops

SEA10:24 pmSeattle/Tacoma Intl

$1,059

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Washington to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Fri 10/31

2:35 pm-8:50 pm

2 stops22h 15m

San Sebastián

Tue 11/4

9:30 pm-11:18 pm

2 stops34h 48m

$820

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Fri 10/31

2:35 pm-8:50 pm

2 stops22h 15m

San Sebastián

Tue 11/4

9:20 am-11:24 pm

2 stops23h 04m

$897

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 10/30

12:34 am-8:50 pm

2 stops36h 16m

San Sebastián

Tue 11/4

9:20 am-8:39 pm

2 stops20h 19m

$1,011

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 10/30

12:34 am-8:50 pm

2 stops36h 16m

San Sebastián

Tue 11/4

1:40 pm-10:24 pm

2 stops41h 44m

$1,059

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 8/21

7:44 am-8:40 am

2 stops39h 56m

San Sebastián

Tue 9/2

9:20 am-8:37 pm

2 stops20h 17m

$1,185

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 8/21

11:42 am-8:40 am

2 stops35h 58m

San Sebastián

Tue 9/2

9:30 pm-8:17 pm

2 stops31h 47m

$1,205

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Wed 8/20

12:46 am-8:40 am

2 stops46h 54m

San Sebastián

Tue 9/2

9:30 pm-8:09 pm

2 stops31h 39m

$1,218

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 8/21

7:00 pm-8:20 am

3 stops28h 20m

San Sebastián

Tue 9/2

1:30 pm-3:05 pm

3 stops34h 35m

$1,612

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Thu 8/21

7:35 pm-8:20 am

2 stops27h 45m

San Sebastián

Tue 9/2

1:30 pm-3:05 pm

3 stops34h 35m

$1,702

SeattleSan Sebastian

SEA - EAS

SEAEAS

Seattle/Tacoma Intl

Sat 10/25

6:10 am-2:00 pm

2 stops22h 50m

$573

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from State of Washington to San Sebastian

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

Airlines

Other information

What is the cheapest airline that flies from Washington to San Sebastián?

Iberia is the most popular carrier operating from Washington to San Sebastián

What airlines fly to San Sebastian?

Delta, KLM and Lufthansa are the top three most popular airlines that fly to San Sebastian from State of Washington according to our data. Delta is the first choice among our users, with 31% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 5 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

Cheap State of Washington to San Sebastian flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to San Sebastian

Best Price Found	$573
Fastest flight time	22h 15m
Direct flights	None
Airports in San Sebastian	1 airport

The best one-way flight to San Sebastian from State of Washington in the past 72 hours is $573. The best round-trip flight deal from State of Washington to San Sebastian found on momondo in the last 72 hours is $820.

The fastest flight from State of Washington to San Sebastian takes 22h 15m

There are no direct flights from State of Washington to San Sebastian. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - San Sebastián Airport.

There is 1 airport near San Sebastian: San Sebastián (EAS)

Search flight deals

When did momondo last update prices for flights from Washington to San Sebastián Airport?
Prices for flights from Washington to San Sebastián Airport are refreshed on a daily basis.
How old do you have to be to fly from Washington to San Sebastián 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 Washington to San Sebastián Airport.
What documentation or ID do you need to fly to San Sebastián Airport?
The travel and health documents required for your trip to San Sebastián 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 San Sebastián Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Washington to San Sebastian?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington to San Sebastian for you.

Can I find flights from Washington to San Sebastian with flexible booking policies on momondo?

All flight searches from Washington to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington to San Sebastian?

momondo helps you find the best flight between Washington and San Sebastian by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to San Sebastian from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.