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San Sebastian

$312+ Cheap flights from Dulles Intl (IAD) to San Sebastian (EAS)

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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EAS
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap flight deals from Dulles Intl to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to San Sebastian (EAS). 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 July 29, 2025.

Round-trip from

$571
(Iberia)

One-way from

$312
(Kiwi.com)
From Washington, D.C. Dulles Intl to San Sebastián
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One-way flight from Washington, D.C. Dulles Intl to San Sebastián
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Find flight deals from Dulles Intl to San Sebastian

Cheapest flights from Dulles Intl to San Sebastian
Explore the most affordable flight options available from Dulles Intl to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 29, 2025.

This Iberia deal was found by Cheapflights users on 7/29. 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.
Mon 11/249:45 pmIAD - EAS
2 stops28h 55mIberia
Thu 12/49:20 amEAS - IAD
1 stop13h 10mIberia
Deal found 7/29$571
This American Airlines deal was found by Cheapflights users on 7/27. 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.
Mon 11/249:12 amIAD - EAS
2 stops17h 28mAmerican Airlines
Thu 12/49:20 amEAS - IAD
1 stop13h 10mAmerican Airlines
Deal found 7/27$572
This Vueling Global deal was found by Cheapflights users on 7/26. 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 Vueling Global is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/84:35 pmIAD - EAS
2 stops33h 55mMultiple Airlines
Wed 10/155:55 pmEAS - IAD
2 stops27h 05mMultiple Airlines
Deal found 7/26$627

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to San Sebastian 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 July 29, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to San Sebastian that are best for you.

Fly from

Dulles Intl

Fly to

San Sebastian

Route

Depart

Return

Price

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Mon 11/24

9:45 pm-8:40 am

2 stops28h 55m

San Sebastián

Thu 12/4

9:20 am-4:30 pm

1 stop13h 10m

$571

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Mon 11/24

9:12 am-8:40 am

2 stops17h 28m

San Sebastián

Thu 12/4

9:20 am-4:30 pm

1 stop13h 10m

$572

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Wed 10/8

4:35 pm-8:30 am

2 stops33h 55m

San Sebastián

Wed 10/15

5:55 pm-3:00 pm

2 stops27h 05m

$627

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Tue 9/23

10:20 pm-8:25 am

3 stops28h 05m

$312

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Tue 9/23

4:35 pm-8:40 am

1 stop10h 05m

$470

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Fri 9/12

4:35 pm-8:50 pm

1 stop22h 15m

$500

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

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

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Dulles Intl 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.

Reviews of airlines servicing San Sebastian

Get insights into the airlines that provide service to San Sebastian. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Sebastian. Reviews last updated July 29, 2025.
See what other customers who have flown with American Airlines and Iberia from Washington, D.C. Dulles Intl Airport to San Sebastian have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Iberia
7.0
Good
2,858 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.5

Crew

8.0

Boarding

7.5

Overall

7.2

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to San Sebastian. 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 into for flights to San Sebastian from 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 San Sebastian from Washington, D.C. Dulles Intl. Booking flights from Washington, D.C. Dulles Intl to San Sebastián (EAS) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Dulles Intl from 1 airline.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to San Sebastian round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to San Sebastian round-trip from $571. Another airline that can offer you cheap pricing is American Airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to San Sebastian 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

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Alternative routes for Dulles Intl to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Dulles Intl to San Sebastian

Discover the top airline that operate flights from Dulles Intl to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$561Average$1,055FlexibilityNo cancel feeOn-time77%

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