How long does it take to fly to San Sebastian?

On average, it takes 12h 08m 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 14h 21m.

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

Iberia is the most popular carrier operating from Washington, D.C. to San Sebastián

What airlines fly to San Sebastian?

Lufthansa, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to San Sebastian from Washington, D.C. according to our data. Lufthansa is the first choice among our users, with 33% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 4 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

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.

$346 Cheap Flights from Washington, D.C. to San Sebastian in 2026

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

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:25 pm - 5:35 pm

IAD

EAS

15h 10m

1 stop

1:40 pm - 6:50 pm

EAS

IAD

11h 10m

1 stop

$827Iberia

Tue, Sep 22 - Tue, Sep 29

5:50 pm - 1:00 pm

IAD

EAS

13h 10m

1 stop

9:30 pm - 4:20 pm

EAS

IAD

24h 50m

1 stop

$838British Airways

Wed, Nov 25 - Wed, Dec 2

3:00 pm - 8:50 pm

DCA

EAS

23h 50m

2 stops

1:40 pm - 8:00 am

EAS

DCA

24h 20m

2 stops

$841Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:30 pm - 8:20 am

IAD

EAS

29h 50m

3 stops

5:55 pm - 8:35 pm

EAS

IAD

32h 40m

2 stops

$860Multiple Airlines

Mon, Sep 14 - Sat, Sep 19

8:30 pm - 8:20 am

IAD

EAS

29h 50m

3 stops

5:55 pm - 3:10 pm

EAS

IAD

27h 15m

2 stops

$886Multiple Airlines

Mon, Sep 14 - Fri, Sep 18

8:25 pm - 5:35 pm

IAD

EAS

15h 10m

1 stop

9:30 pm - 7:40 pm

EAS

IAD

28h 10m

2 stops

$914Multiple Airlines

Tue, Sep 22 - Tue, Sep 29

8:30 pm - 8:20 am

IAD

EAS

29h 50m

3 stops

8:55 am - 10:15 pm

EAS

IAD

19h 20m

3 stops

$917Multiple Airlines

Mon, Sep 14 - Sat, Sep 19

9:35 pm - 5:15 pm

BWI

EAS

13h 40m

1 stop

9:30 pm - 7:45 pm

EAS

BWI

28h 15m

2 stops

$1,087British Airways

Sun, Sep 6 - Sat, Sep 12

1:59 pm - 8:40 am

DCA

EAS

12h 41m

2 stops

9:20 am - 10:43 pm

EAS

DCA

19h 23m

2 stops

$1,167Iberia

Thu, Aug 13 - Sat, Aug 22

8:06 pm - 8:40 am

DCA

EAS

30h 34m

2 stops

9:30 pm - 11:23 pm

EAS

DCA

31h 53m

2 stops

$1,435Iberia

Sun, Jul 19 - Sat, Jul 25

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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

Aug 25

IAD7:57 amWashington, D.C. Dulles Intl

18h 43m

2 stops

EAS8:40 amSan Sebastián

Aug 30

EAS9:20 amSan Sebastián

12h 10m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

$1,011

American Airlines

Nov 23

IAD5:50 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

EAS1:00 pmSan Sebastián

Dec 4

EAS9:20 amSan Sebastián

13h 00m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$1,047

American Airlines

Nov 23

IAD5:50 pmWashington, D.C. Dulles Intl

13h 10m

1 stop

EAS1:00 pmSan Sebastián

Dec 2

EAS9:30 pmSan Sebastián

24h 50m

1 stop

IAD4:20 pmWashington, D.C. Dulles Intl

$1,058

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

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

Iberia

Sep 22

IAD8:25 pmWashington, D.C. Dulles Intl

15h 10m

1 stop

EAS5:35 pmSan Sebastián

Sep 29

EAS1:40 pmSan Sebastián

11h 10m

1 stop

IAD6:50 pmWashington, D.C. Dulles Intl

$827

Iberia

Sep 6

IAD5:00 pmWashington, D.C. Dulles Intl

21h 50m

1 stop

EAS8:50 pmSan Sebastián

Sep 12

EAS9:30 pmSan Sebastián

24h 00m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

$987

Iberia

Aug 25

IAD8:25 pmWashington, D.C. Dulles Intl

18h 25m

1 stop

EAS8:50 pmSan Sebastián

Aug 30

EAS9:20 amSan Sebastián

12h 10m

1 stop

IAD3:30 pmWashington, D.C. Dulles Intl

$1,006

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Tue 9/22

8:25 pm-5:35 pm

1 stop15h 10m

San Sebastián

Tue 9/29

1:40 pm-6:50 pm

1 stop11h 10m

$827

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Wed 11/25

5:50 pm-1:00 pm

1 stop13h 10m

San Sebastián

Wed 12/2

9:30 pm-4:20 pm

1 stop24h 50m

$838

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Tue 9/22

3:00 pm-8:50 pm

2 stops23h 50m

San Sebastián

Tue 9/29

1:40 pm-8:00 am

2 stops24h 20m

$841

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Mon 9/14

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Sat 9/19

5:55 pm-8:35 pm

2 stops32h 40m

$860

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Mon 9/14

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Fri 9/18

5:55 pm-3:10 pm

2 stops27h 15m

$886

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Tue 9/22

8:25 pm-5:35 pm

1 stop15h 10m

San Sebastián

Tue 9/29

9:30 pm-7:40 pm

2 stops28h 10m

$914

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Mon 9/14

8:30 pm-8:20 am

3 stops29h 50m

San Sebastián

Sat 9/19

8:55 am-10:15 pm

3 stops19h 20m

$917

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sun 9/6

9:35 pm-5:15 pm

1 stop13h 40m

San Sebastián

Sat 9/12

9:30 pm-7:45 pm

2 stops28h 15m

$1,087

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Thu 8/13

1:59 pm-8:40 am

2 stops12h 41m

San Sebastián

Sat 8/22

9:20 am-10:43 pm

2 stops19h 23m

$1,167

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Sun 7/19

8:06 pm-8:40 am

2 stops30h 34m

San Sebastián

Sat 7/25

9:30 pm-11:23 pm

2 stops31h 53m

$1,435

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

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Other information

What is the cheapest month to fly to San Sebastian?

The month of December is, on average, the cheapest month to fly to San Sebastian from Washington, D.C., with most prices found around $0. If you are unable to visit San Sebastian during the month of December, then departing from Washington, D.C. during the month February is also very affordable. Most momondo users find prices during this month for around $0.

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

Fastest flight time	13h 10m
Direct flights	None

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.
What is the most popular airline from Washington, D.C. to San Sebastian?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to San Sebastian is Iberia (100% of total bookings).

Irun

Hondarribia

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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Cheap flights from Washington, D.C. to San Sebastian from $346

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to San Sebastian departing on 8/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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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

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

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

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See travel insights to San Sebastian from

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

What is the cheapest month to fly 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?

How long does it take to fly to San Sebastian?

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

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

Fastest flight time

Direct flights

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

Traveling to a place near San Sebastian?

Why use momondo?

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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