Cheap flights from San Sebastian to Washington, D.C. from $553

This is the cheapest one-way 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 7/29. 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
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
Iberia Logo
5:40 pm - 8:40 am
IAD
-
EAS
33h 00m
2 stops
$787Iberia
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
Iberia Logo
1:40 pm - 3:30 pm
EAS
-
IAD
31h 50m
1 stop
Iberia Logo
5:00 pm - 1:00 pm
IAD
-
EAS
14h 00m
1 stop
$798Iberia
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
Iberia Logo
1:40 pm - 3:50 pm
EAS
-
IAD
32h 10m
2 stops
Iberia Logo
10:25 pm - 8:40 am
IAD
-
EAS
28h 15m
2 stops
$807Iberia
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
Iberia Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
Iberia Logo
5:40 pm - 8:40 am
IAD
-
EAS
33h 00m
2 stops
$864Iberia
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
Iberia Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
Iberia Logo
5:00 pm - 1:00 pm
IAD
-
EAS
14h 00m
1 stop
$875Iberia
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
American Airlines Logo
9:20 am - 8:49 am
EAS
-
IAD
53h 29m
2 stops
American Airlines Logo
8:11 pm - 1:00 pm
IAD
-
EAS
34h 49m
2 stops
$927American Airlines
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
Iberia Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
Iberia Logo
5:00 pm - 1:00 pm
IAD
-
EAS
14h 00m
1 stop
$1,056Iberia
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
American Airlines Logo
9:20 am - 3:50 pm
EAS
-
IAD
36h 30m
2 stops
American Airlines Logo
9:19 am - 8:40 am
IAD
-
EAS
17h 21m
2 stops
$1,231American Airlines
Th. 5, Thg. 4 16 - Th. 2, Thg. 4 20
Multiple Airlines Logo
9:20 am - 8:20 pm
EAS
-
IAD
17h 00m
2 stops
Multiple Airlines Logo
1:06 pm - 8:40 am
IAD
-
EAS
13h 34m
2 stops
$1,614Multiple Airlines
Th. 3, Thg. 7 7 - Th. 4, Thg. 7 15
Multiple Airlines Logo
9:20 am - 8:20 pm
EAS
-
IAD
17h 00m
2 stops
Multiple Airlines Logo
9:16 am - 8:40 am
IAD
-
EAS
17h 24m
2 stops
$1,637Multiple Airlines
Th. 3, Thg. 7 7 - Th. 4, Thg. 7 15

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
Apr 16
EAS9:20 amSan Sebastián
53h 29m
2 stops
IAD8:49 amWashington, D.C. Dulles Intl
Apr 20
IAD8:11 pmWashington, D.C. Dulles Intl
34h 49m
2 stops
EAS1:00 pmSan Sebastián
$927
American Airlines
Apr 16
EAS9:20 amSan Sebastián
36h 30m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Apr 20
IAD9:19 amWashington, D.C. Dulles Intl
17h 21m
2 stops
EAS8:40 amSan Sebastián
$1,231

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
Apr 16
EAS9:30 pmSan Sebastián
24h 00m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
Apr 20
IAD5:40 pmWashington, D.C. Dulles Intl
33h 00m
2 stops
EAS8:40 amSan Sebastián
$787
Iberia
Apr 16
EAS1:40 pmSan Sebastián
31h 50m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
Apr 20
IAD5:00 pmWashington, D.C. Dulles Intl
14h 00m
1 stop
EAS1:00 pmSan Sebastián
$798
Iberia
Apr 16
EAS1:40 pmSan Sebastián
32h 10m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Apr 20
IAD10:25 pmWashington, D.C. Dulles Intl
28h 15m
2 stops
EAS8:40 amSan Sebastián
$807

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 Tháng Ba 1, 2026.
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

Th. 5 4/16

9:30 pm-3:30 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Th. 2 4/20

5:40 pm-8:40 am

2 stops33h 00m

$787

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

1:40 pm-3:30 pm

1 stop31h 50m

Washington, D.C. Dulles Intl

Th. 2 4/20

5:00 pm-1:00 pm

1 stop14h 00m

$798

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

1:40 pm-3:50 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Th. 2 4/20

10:25 pm-8:40 am

2 stops28h 15m

$807

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

9:30 pm-3:30 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Th. 2 4/20

5:40 pm-8:40 am

2 stops33h 00m

$864

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

9:30 pm-3:30 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Th. 2 4/20

5:00 pm-1:00 pm

1 stop14h 00m

$875

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

9:20 am-8:49 am

2 stops53h 29m

Washington, D.C. Dulles Intl

Th. 2 4/20

8:11 pm-1:00 pm

2 stops34h 49m

$927

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

9:30 pm-3:30 pm

1 stop24h 00m

Washington, D.C. Dulles Intl

Th. 2 4/20

5:00 pm-1:00 pm

1 stop14h 00m

$1,056

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 5 4/16

9:20 am-3:50 pm

2 stops36h 30m

Washington, D.C. Dulles Intl

Th. 2 4/20

9:19 am-8:40 am

2 stops17h 21m

$1,231

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 3 7/7

9:20 am-8:20 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Th. 4 7/15

1:06 pm-8:40 am

2 stops13h 34m

$1,614

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Th. 3 7/7

9:20 am-8:20 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Th. 4 7/15

9:16 am-8:40 am

2 stops17h 24m

$1,637

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Fastest flight time

21h 45m

Direct flights

None
The fastest flight from San Sebastian to Washington, D.C. Dulles Intl Airport takes 21h 45m
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.
  • 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 21h 45m.

  • 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
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Silver Spring
Gaithersburg
Tysons
Fredericksburg
Rockville
Manassas
Springfield
Fairfax
Bethesda
Sterling

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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1 adult
Th. 3 3/31
Th. 3 4/7

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