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Dulles Intl

$495+ Cheap flights from San Sebastian (EAS) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — IAD
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
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 August 1, 2026.

This Iberia deal was found by Cheapflights users on 7/28. 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.
Wed 10/149:20 am
EAS
-
IAD
1 stop12h 10m
Iberia
Sun 10/185:00 pm
IAD
-
EAS
1 stop14h 00m
Iberia
Deal found 7/28$848
This American Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 10/141:40 pm
EAS
-
IAD
2 stops37h 36m
American Airlines
Sun 10/187:15 pm
IAD
-
EAS
2 stops31h 25m
American Airlines
Deal found 7/28$984

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 August 1, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$848
(Iberia)

One-way from

$495
(Kiwi.com)
Provider with most accurate pricing for San Sebastián-Washington, D.C. Dulles Intl flight deals.
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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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One-way flight 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 August 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

Cheapest round-trip

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 10/14

9:30 pm-7:00 pm

1 stop27h 30m

Washington, D.C. Dulles Intl

Sun 10/18

10:25 pm-1:00 pm

2 stops32h 35m

$863

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 10/14

1:40 pm-9:16 pm

2 stops37h 36m

Washington, D.C. Dulles Intl

Sun 10/18

7:15 pm-8:40 am

2 stops31h 25m

$984

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Wed 10/14

9:30 pm-7:00 pm

1 stop27h 30m

Washington, D.C. Dulles Intl

Sun 10/18

5:00 pm-1:00 pm

1 stop14h 00m

$1,018

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Sun 8/16

9:20 am-3:30 pm

1 stop12h 10m

Washington, D.C. Dulles Intl

Thu 8/20

8:30 pm-8:50 pm

1 stop18h 20m

$2,543

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Sun 8/16

8:55 am-9:24 pm

3 stops18h 29m

Washington, D.C. Dulles Intl

Thu 8/20

1:15 pm-5:20 pm

3 stops22h 05m

$2,883
Quickest round-trip

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Sun 8/16

9:20 am-8:20 pm

2 stops17h 00m

Washington, D.C. Dulles Intl

Thu 8/20

1:23 pm-8:40 am

2 stops13h 17m

$2,951
Cheapest one-way

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Mon 10/12

8:55 am-6:50 pm

3 stops39h 55m

$495
Quickest one-way

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Mon 10/12

9:30 pm-6:50 pm

1 stop27h 20m

$512

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

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 $848, 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.

  • 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
Owings Mills
Arlington
Tysons
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Laurel
Sterling
Clinton
Hunt Valley
Cordova
Woodbridge

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