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Cheap flights from San Sebastian to Washington, D.C. from $774

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San Sebastian to Washington, D.C. departing on 2/19. 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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Cheap round-trip flights

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Iberia Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
Iberia Logo
6:20 pm - 8:40 amIAD-EAS
32h 20m2 stops
$774Iberia
Find Deal
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
9:20 am - 8:44 amEAS-IAD
29h 24m2 stops
American Airlines Logo
9:15 am - 1:00 pmIAD-EAS
21h 45m2 stops
$795American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
Iberia Logo
9:30 pm - 4:30 pmEAS-IAD
25h 00m1 stop
Iberia Logo
6:00 pm - 1:00 pmIAD-EAS
13h 00m1 stop
$813Iberia
Find Deal
Wed, Nov 26 - Tue, Dec 2
Iberia Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
Iberia Logo
6:20 pm - 8:40 amIAD-EAS
32h 20m2 stops
$847Iberia
Find Deal
Thu, Feb 19 - Mon, Feb 23
American Airlines Logo
9:20 am - 4:11 pmEAS-IAD
36h 51m2 stops
American Airlines Logo
9:15 am - 1:00 pmIAD-EAS
21h 45m2 stops
$855American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
Iberia Logo
9:30 pm - 4:30 pmEAS-IAD
25h 00m1 stop
Iberia Logo
5:05 pm - 1:00 pmIAD-EAS
13h 55m2 stops
$896Iberia
Find Deal
Wed, Nov 26 - Tue, Dec 2
American Airlines Logo
9:20 am - 11:59 pmEAS-IAD
20h 39m2 stops
American Airlines Logo
11:25 am - 8:40 amIAD-EAS
15h 15m2 stops
$987American Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 2
Iberia Logo
9:30 pm - 4:30 pmEAS-IAD
25h 00m1 stop
Iberia Logo
5:05 pm - 1:00 pmIAD-EAS
13h 55m2 stops
$1,087Iberia
Find Deal
Wed, Nov 26 - Mon, Dec 1
American Airlines Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
American Airlines Logo
9:15 am - 8:40 amIAD-EAS
17h 25m2 stops
$1,088American Airlines
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Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
Multiple Airlines Logo
5:05 pm - 1:00 pmIAD-EAS
13h 55m2 stops
$1,545Multiple Airlines
Find Deal
Tue, Nov 25 - Tue, Dec 2

Iberia flights from San Sebastian to Washington, D.C. Dulles Intl Airport

Our best Iberia deals on San Sebastian to Washington, D.C. Dulles Intl Airport flight tickets
Iberia
Feb 19
EAS9:20 amSan Sebastián
13h 10m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Feb 23
IAD6:20 pmWashington, D.C. Dulles Intl
32h 20m
2 stops
EAS8:40 amSan Sebastián
$774
Find similar
Iberia
Nov 26
EAS9:30 pmSan Sebastián
25h 00m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Dec 2
IAD6:00 pmWashington, D.C. Dulles Intl
13h 00m
1 stop
EAS1:00 pmSan Sebastián
$813
Find similar
Iberia
Feb 19
EAS9:20 amSan Sebastián
13h 10m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Feb 23
IAD6:20 pmWashington, D.C. Dulles Intl
32h 20m
2 stops
EAS8:40 amSan Sebastián
$847
Find similar

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

Our best American Airlines deals on San Sebastian to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Feb 19
EAS9:20 amSan Sebastián
29h 24m
2 stops
IAD8:44 amWashington, D.C. Dulles Intl
Feb 23
IAD9:15 amWashington, D.C. Dulles Intl
21h 45m
2 stops
EAS1:00 pmSan Sebastián
$795
Find similar
American Airlines
Feb 19
EAS9:20 amSan Sebastián
36h 51m
2 stops
IAD4:11 pmWashington, D.C. Dulles Intl
Feb 23
IAD9:15 amWashington, D.C. Dulles Intl
21h 45m
2 stops
EAS1:00 pmSan Sebastián
$855
Find similar
American Airlines
Nov 26
EAS9:20 amSan Sebastián
20h 39m
2 stops
IAD11:59 pmWashington, D.C. Dulles Intl
Dec 2
IAD11:25 amWashington, D.C. Dulles Intl
15h 15m
2 stops
EAS8:40 amSan Sebastián
$987
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Sebastian to Washington, D.C. Dulles Intl Airport 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 November 7, 2025.
Use the filters below to find and compare flights from San Sebastian to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Mon 2/23

6:20 pm-8:40 am

2 stops32h 20m

$774

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-8:44 am

2 stops29h 24m

Washington, D.C. Dulles Intl

Mon 2/23

9:15 am-1:00 pm

2 stops21h 45m

$795

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 11/26

9:30 pm-4:30 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Tue 12/2

6:00 pm-1:00 pm

1 stop13h 00m

$813

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Mon 2/23

6:20 pm-8:40 am

2 stops32h 20m

$847

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:11 pm

2 stops36h 51m

Washington, D.C. Dulles Intl

Mon 2/23

9:15 am-1:00 pm

2 stops21h 45m

$855

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 11/26

9:30 pm-4:30 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Tue 12/2

5:05 pm-1:00 pm

2 stops13h 55m

$896

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 11/26

9:20 am-11:59 pm

2 stops20h 39m

Washington, D.C. Dulles Intl

Tue 12/2

11:25 am-8:40 am

2 stops15h 15m

$987

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 11/26

9:30 pm-4:30 pm

1 stop25h 00m

Washington, D.C. Dulles Intl

Mon 12/1

5:05 pm-1:00 pm

2 stops13h 55m

$1,087

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Mon 2/23

9:15 am-8:40 am

2 stops17h 25m

$1,088

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 11/25

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Tue 12/2

5:05 pm-1:00 pm

2 stops13h 55m

$1,545

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

Cheap San Sebastian to Washington, D.C. Dulles Intl Airport (EAS to IAD) flight deals and tips

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

Direct flights

None
There are no direct flights from San Sebastian to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from San Sebastian to Washington, D.C. Dulles Intl Airport.
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  • How far is San Sebastián to Washington, D.C. Dulles Intl by plane?

    The distance between San Sebastián and Washington, D.C. Dulles Intl is about 3799.5 mi. A reasonable flight in good conditions will take 13h 10m.

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

    Prices for flights from San Sebastián Airport to Washington, D.C. Dulles Intl Airport refresh daily.

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Sebastián Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl 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 Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from San Sebastian to Washington, D.C. Dulles Intl Airport?

    Confirm your travel details to search for the latest offers for flights from San Sebastian to Washington, D.C. Dulles Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

  • How can I save money on flights from San Sebastian to Washington, D.C. Dulles Intl Airport with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie

Why use momondo?

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

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 San Sebastian to Washington, D.C. for you.

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

Flights from San Sebastian to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential San Sebastian to Washington, D.C. flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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