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Dulles Intl

$655+ 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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
EAS — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$655
(Iberia)
From San Sebastián to Washington, D.C. Dulles Intl
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Find flight deals from San Sebastian to Dulles Intl

Best flights from San Sebastian to Dulles Intl
Discover carefully curated flight deals from San Sebastian to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 11, 2025.

This Iberia deal was found by Cheapflights users on 9/10. 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.
Thu 2/199:20 amEAS - IAD
2 stops36h 15mIberia
Mon 2/236:20 pmIAD - EAS
2 stops32h 20mIberia
Deal found 9/10$655
This American Airlines deal was found by Cheapflights users on 9/10. 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 2/199:20 amEAS - IAD
1 stop13h 10mAmerican Airlines
Mon 2/238:52 amIAD - EAS
2 stops17h 48mAmerican Airlines
Deal found 9/10$937

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 September 11, 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

San Sebastian

Fly to

Dulles Intl

Route

Depart

Return

Price

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-3:35 pm

2 stops36h 15m

Washington, D.C. Dulles Intl

Mon 2/23

6:20 pm-8:40 am

2 stops32h 20m

$655

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

8:52 am-8:40 am

2 stops17h 48m

$937

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Sat 9/27

9:30 pm-7:42 pm

2 stops28h 12m

$1,153

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Sat 9/27

9:30 pm-4:00 pm

2 stops24h 30m

$1,270

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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.

Cheapflights Insights

Everything you need to know about your flight from San Sebastian to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from San Sebastian to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from San Sebastian to Washington, D.C. Dulles Intl Airport (average of $292). Flying from San Sebastian to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 $937, Iberia can have you in Washington, D.C. Dulles Intl Airport from San Sebastian in 13h 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.

  • What is the cheapest month to book a flight from San Sebastian to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from San Sebastian to Washington, D.C. Dulles Intl Airport (average of $292). Flying from San Sebastian to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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
Woodbridge
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

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