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Dulles Intl

$928+ Cheap flights from San Sebastian (EAS) to Dulles Intl (IAD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — IAD
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
1 adult, Economy
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Cheap flight deals from San Sebastian to Dulles Intl

Cheapest flights from San Sebastian to Dulles Intl
Explore the most affordable flight options available from San Sebastian to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 15, 2026.

This Iberia deal was found by Cheapflights users on 6/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:20 am
EAS
-
IAD
2 stops16h 35m
Iberia
Tue 11/106:20 pm
IAD
-
EAS
2 stops32h 20m
Iberia
Deal found 6/12$928
This American Airlines deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:20 am
EAS
-
IAD
1 stop12h 10m
American Airlines
Wed 10/710:50 am
IAD
-
EAS
2 stops15h 50m
American Airlines
Deal found 6/13$957
This American Airlines deal was found by Cheapflights users on 6/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/51:40 pm
EAS
-
IAD
1 stop32h 40m
American Airlines
Sun 11/84:34 pm
IAD
-
EAS
2 stops38h 26m
American Airlines
Deal found 6/10$1,009
This Iberia deal was found by Cheapflights users on 6/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/79:20 am
EAS
-
IAD
1 stop12h 10m
Iberia
Wed 10/75:00 pm
IAD
-
EAS
1 stop14h 00m
Iberia
Deal found 6/13$1,114

Find flight deals from San Sebastian to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from San Sebastian (EAS) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 15, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$928
(Iberia)
Provider with most accurate pricing for San Sebastián-Washington, D.C. Dulles Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Sebastián-Washington, D.C. Dulles Intl flights.
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From San Sebastián to Washington, D.C. Dulles Intl
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Cheapflights Fare Finder

 
Customize your flight search to find flights from San Sebastian to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated June 15, 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

Cheapest round-trip

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Sat 11/7

9:20 am-7:55 pm

2 stops16h 35m

Washington, D.C. Dulles Intl

Tue 11/10

6:20 pm-8:40 am

2 stops32h 20m

$928

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Fri 8/7

9:20 am-3:30 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Wed 10/7

10:50 am-8:40 am

2 stops15h 50m

$957

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 11/5

1:40 pm-8:41 am

2 stops49h 01m

Washington, D.C. Dulles Intl

Sun 11/8

8:09 pm-8:40 am

2 stops30h 31m

$1,009
Quickest round-trip

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Fri 8/7

9:20 am-3:30 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Wed 10/7

5:00 pm-1:00 pm

1 stop14h 00m

$1,114

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on San Sebastian-Washington, D.C. Dulles Intl Airport flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on San Sebastian-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from San Sebastian-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Sebastian-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Sebastian-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from San Sebastian to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from San Sebastian with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from San Sebastian to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from San Sebastian to Washington, D.C. Dulles Intl?

    Located just 9.7 mi from the city center, San Sebastián is the airport most travelers will use when flying to Washington, D.C. Dulles Intl from San Sebastian. Booking flights from San Sebastián (EAS) to Washington, D.C. Dulles Intl should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Dulles Intl from 0 different airlines.

  • How long is the flight from San Sebastian to Washington, D.C. Dulles Intl Airport?

    For as low as $957, Iberia can have you in Washington, D.C. Dulles Intl Airport from San Sebastian in 12h 10m. There are 3807 mi between San Sebastian and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from San Sebastian to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on San Sebastian to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from San Sebastian to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Sebastian to Dulles Intl.

  • Can I find deals for business class flights from San Sebastian to Dulles Intl?

    Yes. Cheapflights offers flight deals from San Sebastian to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Owings Mills
Springfield
Arlington
Reston
Rockville
Herndon
Fredericksburg
Laurel
Hyattsville
Manassas
Hanover
Chantilly
Lanham
Falls Church
Waldorf
Silver Spring
Largo
Clinton

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