What airlines fly to San Sebastian?

United Airlines, Lufthansa and TAP AIR PORTUGAL are the top three most popular airlines that fly to San Sebastian from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 3 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to San Sebastián?

British Airways and Iberia are the most popular carriers operating from Washington, D.C. to San Sebastián

How long does it take to fly to San Sebastian?

On average, it takes 12h 42m to fly from Washington, D.C. to San Sebastian if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Bilbao (the most popular airport in San Sebastian). If you’re flying out of Baltimore and into Bilbao, then the flight time is around 13h 10m.

When did momondo last update prices for flights from Washington, D.C. to San Sebastián Airport?

Prices for flights from Washington, D.C. to San Sebastián Airport were last updated today.

How old do you have to be to fly from Washington, D.C. to San Sebastián Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Sebastián Airport.

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

The travel and health documents you'll need for your trip to San Sebastián Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Sebastián Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$804 Cheap Flights from Washington, D.C. to San Sebastian in 2026/27

Find the cheapest flights from Washington, D.C. to San Sebastian

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 10m1 stop Madrid Barajas

9:20 am - 4:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$804Iberia

Thu, Oct 29 - Thu, Nov 5

12:48 pm - 8:40 amDCA Washington, D.C. Reagan-National-EAS San Sebastián

13h 52m2 stops Charlotte Douglas Madrid Barajas

9:20 am - 7:05 pmEAS San Sebastián-DCA Washington, D.C. Reagan-National

15h 45m2 stops Madrid Barajas New York John F Kennedy Intl

$840American Airlines

Mon, Oct 5 - Wed, Oct 21

5:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 10m1 stop Madrid Barajas

9:20 am - 4:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$882Finnair

Fri, Feb 12 - Tue, Feb 16

5:50 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 10m1 stop Madrid Barajas

9:20 am - 4:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$882Iberia

Thu, Feb 11 - Tue, Feb 16

5:10 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 50m1 stop Madrid Barajas

9:20 am - 5:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$886Iberia

Fri, Oct 23 - Fri, Oct 30

1:23 pm - 8:40 amIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 17m2 stops Charlotte Douglas Madrid Barajas

9:20 am - 5:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Madrid Barajas

$890American Airlines

Fri, Oct 23 - Fri, Oct 30

9:45 pm - 8:50 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

17h 05m2 stops London Heathrow Madrid Barajas

9:30 pm - 4:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

24h 50m1 stop Madrid Barajas

$891British Airways

Fri, Nov 6 - Tue, Nov 10

9:45 pm - 8:50 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

17h 05m2 stops London Heathrow Madrid Barajas

9:30 pm - 4:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

24h 50m1 stop Madrid Barajas

$892Multiple Airlines

Fri, Feb 12 - Tue, Feb 16

5:32 pm - 1:00 pmDCA Washington, D.C. Reagan-National-EAS San Sebastián

13h 28m2 stops New York John F Kennedy Intl Madrid Barajas

9:20 am - 6:58 pmEAS San Sebastián-DCA Washington, D.C. Reagan-National

15h 38m2 stops Madrid Barajas New York John F Kennedy Intl

$896Iberia

Thu, Feb 11 - Tue, Feb 16

4:59 pm - 1:00 pmDCA Washington, D.C. Reagan-National-EAS San Sebastián

14h 01m2 stops Boston Logan Intl Madrid Barajas

9:20 am - 6:58 pmEAS San Sebastián-DCA Washington, D.C. Reagan-National

15h 38m2 stops Madrid Barajas New York John F Kennedy Intl

$896American Airlines

Thu, Feb 11 - Tue, Feb 16

Cheap last minute flights

Enter your travel dates to find the best prices.

10:35 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

14h 40m2 stops Lisbon Humberto Delgado Sevilla

5:55 pm - 8:35 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

32h 40m3 stops Barcelona-El Prat Palma de Mallorca Son Sant Joan Lisbon Humberto Delgado

$1,391Multiple Airlines

Sun, Sep 20 - Tue, Sep 22

10:35 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

14h 40m2 stops Lisbon Humberto Delgado Sevilla

8:55 am - 11:30 amEAS San Sebastián-IAD Washington, D.C. Dulles Intl

32h 35m2 stops Barcelona-El Prat Istanbul

$1,447Multiple Airlines

Sun, Sep 20 - Tue, Sep 22

10:35 pm - 8:20 amIAD Washington, D.C. Dulles Intl-EAS San Sebastián

27h 45m3 stops Lisbon Humberto Delgado Naples Barcelona-El Prat

5:55 pm - 8:35 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

32h 40m3 stops Barcelona-El Prat Palma de Mallorca Son Sant Joan Lisbon Humberto Delgado

$1,547Multiple Airlines

Sun, Sep 20 - Tue, Sep 22

10:35 pm - 7:15 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

14h 40m2 stops Lisbon Humberto Delgado Sevilla

9:30 pm - 3:30 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

24h 00m1 stop Madrid Barajas

$1,626Multiple Airlines

Sun, Sep 20 - Tue, Sep 22

6:19 pm - 8:50 pmDCA Washington, D.C. Reagan-National-EAS San Sebastián

20h 31m2 stops Chicago O'Hare Intl Madrid Barajas

9:30 pm - 9:00 pmEAS San Sebastián-DCA Washington, D.C. Reagan-National

29h 30m2 stops Madrid Barajas Chicago O'Hare Intl

$1,681Iberia

Mon, Sep 21 - Wed, Sep 30

2:54 pm - 8:40 amDCA Washington, D.C. Reagan-National-EAS San Sebastián

35h 46m2 stops Chicago O'Hare Intl Madrid Barajas

9:30 pm - 9:00 pmEAS San Sebastián-DCA Washington, D.C. Reagan-National

29h 30m2 stops Madrid Barajas Chicago O'Hare Intl

$1,690Iberia

Mon, Sep 21 - Wed, Sep 30

5:00 pm - 8:50 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

21h 50m1 stop Madrid Barajas

9:30 pm - 3:30 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

24h 00m1 stop Madrid Barajas

$1,737Iberia

Sun, Sep 20 - Tue, Sep 22

10:25 pm - 8:40 amIAD Washington, D.C. Dulles Intl-EAS San Sebastián

28h 15m2 stops London Heathrow Madrid Barajas

8:55 am - 8:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

17h 25m2 stops Barcelona-El Prat London Heathrow

$1,812Iberia

Mon, Sep 21 - Wed, Sep 30

10:25 pm - 8:40 amIAD Washington, D.C. Dulles Intl-EAS San Sebastián

28h 15m2 stops London Heathrow Madrid Barajas

8:55 am - 8:20 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

17h 25m2 stops Barcelona-El Prat London Heathrow

$1,821Iberia

Mon, Sep 21 - Wed, Sep 30

9:30 pm - 5:20 pmBWI Baltimore/Washington-EAS San Sebastián

13h 50m2 stops London Heathrow Barcelona-El Prat

9:30 pm - 7:33 pmEAS San Sebastián-BWI Baltimore/Washington

28h 03m2 stops Madrid Barajas Charlotte Douglas

$1,876Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

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American Airlines flights from Washington, D.C. to San Sebastian

Our best American Airlines deals on Washington, D.C. to San Sebastian flight tickets

American Airlines

Oct 5

DCA12:48 pmWashington, D.C. Reagan-National

13h 52m

2 stops

EAS8:40 amSan Sebastián

Oct 21

EAS9:20 amSan Sebastián

15h 45m

2 stops

DCA7:05 pmWashington, D.C. Reagan-National

$840

American Airlines

Oct 29

IAD1:23 pmWashington, D.C. Dulles Intl

14h 17m

2 stops

EAS8:40 amSan Sebastián

Nov 5

EAS9:20 amSan Sebastián

13h 00m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$920

American Airlines

Oct 29

DCA4:55 pmWashington, D.C. Reagan-National

15h 05m

2 stops

EAS1:00 pmSan Sebastián

Nov 5

EAS9:20 amSan Sebastián

16h 03m

2 stops

DCA7:23 pmWashington, D.C. Reagan-National

$930

Finnair flights from Washington, D.C. to San Sebastian

Our best Finnair deals on Washington, D.C. to San Sebastian flight tickets

Finnair

Feb 15

IAD5:50 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

EAS1:00 pmSan Sebastián

Feb 18

EAS9:20 amSan Sebastián

13h 00m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$1,082

Finnair

Feb 15

IAD5:50 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

EAS1:00 pmSan Sebastián

Feb 18

EAS9:20 amSan Sebastián

13h 00m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$1,102

momondo Fare Finder

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

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Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Thu 10/29

6:50 pm-1:00 pm

1 stop13h 10m

San Sebastián

Thu 11/5

9:20 am-4:20 pm

1 stop13h 00m

$804

Washington, D.C.San Sebastian

DCA Washington, D.C. Reagan-National - EAS San Sebastián

DCAEAS

Washington, D.C. Reagan-National

Mon 10/5

12:48 pm-8:40 am

2 stops13h 52m

San Sebastián

Wed 10/21

9:20 am-7:05 pm

2 stops15h 45m

$840

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Fri 2/12

5:50 pm-1:00 pm

1 stop13h 10m

San Sebastián

Tue 2/16

9:20 am-4:20 pm

1 stop13h 00m

$882

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Thu 2/11

5:50 pm-1:00 pm

1 stop13h 10m

San Sebastián

Tue 2/16

9:20 am-4:20 pm

1 stop13h 00m

$882

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Fri 10/23

5:10 pm-1:00 pm

1 stop13h 50m

San Sebastián

Fri 10/30

9:20 am-5:20 pm

1 stop13h 00m

$886

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Fri 10/23

1:23 pm-8:40 am

2 stops13h 17m

San Sebastián

Fri 10/30

9:20 am-5:20 pm

1 stop13h 00m

$890

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Fri 11/6

9:45 pm-8:50 pm

2 stops17h 05m

San Sebastián

Tue 11/10

9:30 pm-4:20 pm

1 stop24h 50m

$891

Washington, D.C.San Sebastian

IAD Washington, D.C. Dulles Intl - EAS San Sebastián

IADEAS

Washington, D.C. Dulles Intl

Fri 2/12

9:45 pm-8:50 pm

2 stops17h 05m

San Sebastián

Tue 2/16

9:30 pm-4:20 pm

1 stop24h 50m

$892

Washington, D.C.San Sebastian

DCA Washington, D.C. Reagan-National - EAS San Sebastián

DCAEAS

Washington, D.C. Reagan-National

Thu 2/11

5:32 pm-1:00 pm

2 stops13h 28m

San Sebastián

Tue 2/16

9:20 am-6:58 pm

2 stops15h 38m

$896

Washington, D.C.San Sebastian

DCA Washington, D.C. Reagan-National - EAS San Sebastián

DCAEAS

Washington, D.C. Reagan-National

Thu 2/11

4:59 pm-1:00 pm

2 stops14h 01m

San Sebastián

Tue 2/16

9:20 am-6:58 pm

2 stops15h 38m

$896

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. 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

Prices

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Other information

Can stopping save me money on Washington, D.C. to San Sebastian flights?

You could potentially save up to 6% on your flight if you consider stops on a Washington, D.C. to San Sebastian flight.

When to book flights from Washington, D.C. to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to San Sebastian (WAS to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Sebastian

Best Price Found	$1,258
Fastest flight time	13h 10m
Direct flights	None

The best one-way flight to San Sebastian from Washington, D.C. in the past 72 hours is $1,258. The best round-trip flight deal from Washington, D.C. to San Sebastian found on momondo in the last 72 hours is $804.

The fastest flight from Washington, D.C. to San Sebastian takes 13h 10m

There are no direct flights from Washington, D.C. to San Sebastian. There are no popular flight routes from Washington, D.C. to San Sebastian.

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Frequently asked questions about flying from Washington, D.C. to San Sebastian

How far is Washington, D.C. to San Sebastián by plane?
The straight-line distance from Washington, D.C. to San Sebastián is 3781.9 mi. 13h 10m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to San Sebastián Airport?
Prices for flights from Washington, D.C. to San Sebastián Airport were last updated today.
How old do you have to be to fly from Washington, D.C. to San Sebastián Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to San Sebastián Airport.
What documentation or ID do you need to fly to San Sebastián Airport?
The travel and health documents you'll need for your trip to San Sebastián Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Sebastián Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Irun

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Sebastian?

Finding the right flight to San Sebastian from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Sebastian quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to San Sebastian flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Sebastian?

momondo provides multiple filters to help you find the best flight to San Sebastian from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to San Sebastian from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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American Airlines flights from Washington, D.C. to San Sebastian

Our best American Airlines deals on Washington, D.C. to San Sebastian flight tickets

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Our best Finnair deals on Washington, D.C. to San Sebastian flight tickets

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How to get the cheapest flight ticket from Washington, D.C. to San Sebastian

Can stopping save me money on Washington, D.C. to San Sebastian flights?

What is the cheapest airline that flies from Washington, D.C. to San Sebastián?

What airlines fly to San Sebastian?

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When to book flights from Washington, D.C. to San Sebastian

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An easier way to manage your San Sebastian trip

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List of cabin classes available on flights landing in San Sebastian. Availability may vary depending on flight origin and airline.

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