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Dulles Intl

$518+ 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 11/29. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — IAD
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
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 12, 2026.

This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:20 am -
1 stop15h 35m
Thu 10/18:25 pm -
1 stop18h 25m
Deal found 8/10$819
This Iberia deal was found by Cheapflights users on 8/7. 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 11/119:20 am -
1 stop13h 00m
Sun 11/159:45 pm -
2 stops28h 55m
Deal found 8/7$872
This Iberia deal was found by Cheapflights users on 8/10. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/269:30 pm -
1 stop27h 25m
Sun 8/3010:25 pm -
2 stops27h 55m
Deal found 8/10$907
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 11/119:30 pm -
2 stops30h 34m
Sun 11/158:07 pm -
2 stops34h 53m
Deal found 8/10$1,009
This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/265:55 pm -
3 stops31h 40m
Sun 8/309:45 pm -
3 stops28h 35m
Deal found 8/10$1,079
This Mytrip deal was found by Cheapflights users on 8/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/249:10 am -
2 stops17h 25m
Thu 10/110:35 pm -
2 stops27h 45m
Deal found 8/10$1,116
This Mytrip deal was found by Cheapflights users on 8/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/258:55 am -
3 stops41h 29m
Sat 8/299:00 pm -
3 stops29h 20m
Deal found 8/9$1,178

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 12, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$819
(Expedia)

One-way from

$518
(British Airways)
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 12, 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 San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 2/4

1:40 pm-3:40 pm

2 stops32h 00m

Washington, D.C. Dulles Intl

Mon 2/8

6:05 pm-8:50 pm

2 stops20h 45m

$834

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Wed 11/11

9:20 am-4:20 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Sun 11/15

9:45 pm-8:40 am

2 stops28h 55m

$872

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Wed 8/26

9:30 pm-6:55 pm

1 stop27h 25m

Washington, D.C. Dulles Intl

Sun 8/30

10:25 pm-8:20 am

2 stops27h 55m

$907
Quickest round-trip

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 2/4

9:20 am-4:20 pm

1 stop13h 00m

Washington, D.C. Dulles Intl

Mon 2/8

5:50 pm-1:00 pm

1 stop13h 10m

$934

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Wed 11/11

9:30 pm-10:04 pm

2 stops30h 34m

Washington, D.C. Dulles Intl

Sun 11/15

8:07 pm-1:00 pm

2 stops34h 53m

$1,009

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Wed 8/26

8:55 am-5:20 am

2 stops26h 25m

Washington, D.C. Dulles Intl

Sun 8/30

9:00 pm-8:20 am

3 stops29h 20m

$1,102
Cheapest one-way

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Sun 11/29

9:30 pm-4:20 pm

1 stop24h 50m

$518

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Sun 11/29

9:30 pm-7:30 pm

2 stops28h 00m

$610
Quickest one-way

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Sat 10/3

9:20 am-3:30 pm

1 stop12h 10m

$668

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Sat 8/22

10:50 am-3:10 pm

3 stops58h 20m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

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 $834, Iberia can have you in Washington, D.C. Dulles Intl Airport from San Sebastian in 32h. 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
Oxon Hill
Clinton
Hunt Valley
Woodbridge

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