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$561+ Cheap flights from Washington, D.C. (WAS) 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.
WAS — EAS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from Washington, D.C. to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 June 12, 2025.

Round-trip from

$561
(Cheapflightsfares)
From Washington, D.C. (WAS) to San Sebastián
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Find flight deals from Washington, D.C. to San Sebastian

Cheapest flights from Washington, D.C. to San Sebastian
Explore the most affordable flight options available from Washington, D.C. to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 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.
Wed 10/84:35 pmIAD - EAS
1 stop10h 05mIberia
Fri 10/179:20 amEAS - IAD
1 stop11h 40mIberia
Deal found 6/11$561
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/712:34 pmDCA - EAS
2 stops18h 26mIberia
Wed 10/159:20 amEAS - DCA
2 stops19h 35mIberia
Deal found 6/11$581
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.
Wed 10/810:53 amIAD - EAS
2 stops15h 47mAmerican Airlines
Wed 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.
Thu 10/95:50 pmIAD - EAS
2 stops21h 00mMultiple Airlines
Sat 10/189:30 pmEAS - IAD
2 stops53h 20mMultiple Airlines
Deal found 6/10$658
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/89:20 pmBWI - EAS
2 stops29h 20mMultiple Airlines
Fri 10/179:30 pmEAS - BWI
2 stops28h 05mMultiple Airlines
Deal found 6/11$659
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/510:51 amBWI - EAS
2 stops15h 49mAmerican Airlines
Sat 11/159:30 pmEAS - BWI
2 stops22h 43mAmerican Airlines
Deal found 6/11$821
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/35:14 pmDCA - EAS
2 stops13h 46mAmerican Airlines
Sat 11/151:40 pmEAS - DCA
2 stops24h 05mAmerican Airlines
Deal found 6/11$831
This Iberia 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:20 pmBWI - EAS
2 stops53h 20mIberia
Sun 9/281:40 pmEAS - BWI
2 stops35h 55mIberia
Deal found 6/11$1,009
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.
Tue 10/77:45 pmDCA - EAS
2 stops34h 55mBritish Airways
Thu 10/161:25 pmEAS - DCA
2 stops37h 19mBritish Airways
Deal found 6/10$1,159
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:55 pmDCA - EAS
3 stops22h 25mMultiple Airlines
Sun 9/289:25 amEAS - DCA
3 stops40h 19mMultiple Airlines
Deal found 6/11$1,166
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.
Sat 10/119:20 pmBWI - EAS
1 stop12h 55mBritish Airways
Sun 10/195:00 pmEAS - BWI
1 stop32h 35mBritish Airways
Deal found 6/10$1,183
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.
Sat 10/112:06 pmIAD - EAS
2 stops20h 09mBritish Airways
Sun 10/195:00 pmEAS - IAD
1 stop33h 15mBritish Airways
Deal found 6/10$1,312

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 June 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. to San Sebastian that are best for you.

Fly from

Washington, D.C.

Fly to

San Sebastian

Route

Depart

Return

Price

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Wed 10/8

4:35 pm-8:40 am

1 stop10h 05m

San Sebastián

Fri 10/17

9:20 am-3:00 pm

1 stop11h 40m

$561

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Tue 10/7

12:34 pm-1:00 pm

2 stops18h 26m

San Sebastián

Wed 10/15

9:20 am-10:55 pm

2 stops19h 35m

$581

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Wed 10/8

10:53 am-8:40 am

2 stops15h 47m

San Sebastián

Wed 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

Thu 10/9

5:50 pm-8:50 pm

2 stops21h 00m

San Sebastián

Sat 10/18

9:30 pm-8:50 pm

2 stops53h 20m

$658

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 10/8

9:20 pm-8:40 am

2 stops29h 20m

San Sebastián

Fri 10/17

9:30 pm-7:35 pm

2 stops28h 05m

$659

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 11/5

10:51 am-8:40 am

2 stops15h 49m

San Sebastián

Sat 11/15

9:30 pm-2:13 pm

2 stops22h 43m

$821

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Mon 11/3

5:14 pm-1:00 pm

2 stops13h 46m

San Sebastián

Sat 11/15

1:40 pm-7:45 am

2 stops24h 05m

$831

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 9/24

9:20 pm-8:40 am

2 stops53h 20m

San Sebastián

Sun 9/28

1:40 pm-7:35 pm

2 stops35h 55m

$1,009

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Tue 10/7

7:45 pm-12:40 pm

2 stops34h 55m

San Sebastián

Thu 10/16

1:25 pm-8:44 pm

2 stops37h 19m

$1,159

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Wed 9/24

12:55 pm-5:20 pm

3 stops22h 25m

San Sebastián

Sun 9/28

9:25 am-7:44 pm

3 stops40h 19m

$1,166

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 16 results
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Best time to book a flight from Washington, D.C. to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Washington, D.C. 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 Washington, D.C. to San Sebastian

What is the cheapest time of day to fly from WAS to EAS?

Find hourly flight availability from Washington, D.C. to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

It’s typically best to fly out from Washington, D.C. to San Sebastian in the evening. Doing so could potentially save you 12% on the flight price compared to flying in the afternoon, which is usually more expensive.

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 June 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to San Sebastian, such as American Airlines, Iberia and Avianca. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.5

Crew

8.0

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

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.5

Crew

8.0

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

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.5

Crew

8.0

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

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.5

Crew

8.0

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

Boarding

7.5

Comfort

7.2

Entertainment

6.9

Overall

7.2

Food

6.5

Crew

8.0

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 Washington, D.C. 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.?

    Most people fly into San Sebastián (EAS) if they book a flight to San Sebastian from Washington, D.C.. On average, San Sebastián has 0 inbound flights from Washington, D.C. per day from 1 airline. San Sebastián is conveniently located just 9.7 mi from San Sebastian’s city center.

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

    Cheapflights users have booked flights from Washington, D.C. 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.

  • What are the most popular routes from Washington, D.C. to San Sebastian?

    While some choose either Washington, D.C. Reagan-National - San Sebastián or Baltimore/Washington - San Sebastián, Washington, D.C. Dulles Intl - San Sebastián is the most popular route from Washington, D.C. to San Sebastian.

  • Can I find deals for flights from Washington, D.C. to San Sebastian that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. to San Sebastian?

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

  • Can I find deals for business class flights from Washington, D.C. to San Sebastian?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Bilbao flights
Reagan-National to Bilbao flights
Dulles Intl to San Sebastian flights
Reagan-National to San Sebastian flights

Top airline flying from Washington, D.C. to San Sebastian

Discover the top airline that operate flights from Washington, D.C. 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$617Average$1,055FlexibilityNo cancel feeOn-time77%

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