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$561+ Cheap flights from Dulles Intl (IAD) to San Sebastian (EAS)

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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EAS
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 junio 12, 2025.

Round-trip from

$561
(Cheapflightsfares)
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 junio 12, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/84:35 pmIAD - EAS
1 stop10h 05mIberia
vie. 10/179:20 amEAS - IAD
1 stop11h 40mIberia
Deal found 6/11$561
This American Airlines deal was found by Cheapflights users on 6/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/810:53 amIAD - EAS
2 stops15h 47mAmerican Airlines
mié. 10/159:20 amEAS - IAD
1 stop11h 40mAmerican Airlines
Deal found 6/9$646
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/95:50 pmIAD - EAS
2 stops21h 00mMultiple Airlines
sáb. 10/189:30 pmEAS - IAD
2 stops53h 20mMultiple Airlines
Deal found 6/10$658
This British Airways 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/112:06 pmIAD - EAS
2 stops20h 09mBritish Airways
dom. 10/195:00 pmEAS - IAD
1 stop33h 15mBritish Airways
Deal found 6/10$1,312
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/173:25 pmIAD - EAS
2 stops23h 25mAvianca
vie. 8/229:30 pmEAS - IAD
2 stops22h 30mAvianca
Deal found 6/10$1,940

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 junio 12, 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

mié. 10/8

4:35 pm-8:40 am

1 stop10h 05m

San Sebastián

vie. 10/17

9:20 am-3:00 pm

1 stop11h 40m

$561

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

mié. 10/8

10:53 am-8:40 am

2 stops15h 47m

San Sebastián

mié. 10/15

9:20 am-3:00 pm

1 stop11h 40m

$646

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

jue. 10/9

5:50 pm-8:50 pm

2 stops21h 00m

San Sebastián

sáb. 10/18

9:30 pm-8:50 pm

2 stops53h 20m

$658

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

sáb. 10/11

2:06 pm-4:15 pm

2 stops20h 09m

San Sebastián

dom. 10/19

5:00 pm-8:15 pm

1 stop33h 15m

$1,312

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

dom. 8/17

3:25 pm-8:50 pm

2 stops23h 25m

San Sebastián

vie. 8/22

9:30 pm-2:00 pm

2 stops22h 30m

$1,940

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

vie. 7/4

4:35 pm-8:50 pm

1 stop22h 15m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 junio 12, 2025.
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

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

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

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
2,776 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
Avianca
6.7
Okay
2,345 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

Reviews

1 / 20
10.0
Excellent

Leonardo,May 2025

JFK - BGI

Good airline and so far i give them 8 out of 10.
British Airways
6.6
Okay
7,008 reviews
American Airlines
7.2
Good
10,000 reviews

Crew

8.0

Overall

7.2

Food

6.5

Comfort

7.2

Entertainment

6.9

Boarding

7.5

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 $561. Other airlines that can offer you cheap pricing are American Airlines, from $621, and British Airways, from $1,312.

  • 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.
Dulles Intl to Bilbao flights
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Reagan-National to San Sebastian flights
Baltimore to San Sebastian flights

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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$617Average$1,055FlexibilityNo cancel feeOn-time77%

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