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$553+ 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 9/24. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — EAS
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$553
(Cheapflightsfares)
Provider with most accurate pricing for Washington, D.C. (WAS)-San Sebastián flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Sebastián flights.
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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 May 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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 9/244:35 pmIAD - EAS
1 stop14h 25mIberia
Sun 9/289:20 amEAS - IAD
1 stop11h 40mIberia
Deal found 4/30$553
This American Airlines deal was found by Cheapflights users on 4/30. 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 9/249:00 amDCA - EAS
2 stops17h 40mAmerican Airlines
Sun 9/289:20 amEAS - DCA
2 stops15h 55mAmerican Airlines
Deal found 4/30$666
This Gurufare deal was found by Cheapflights users on 4/30. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/249:20 pmBWI - EAS
2 stops29h 20mMultiple Airlines
Sun 9/289:30 pmEAS - BWI
2 stops28h 05mMultiple Airlines
Deal found 4/30$737
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:35 pmIAD - EAS
1 stop10h 05mAmerican Airlines
Sat 9/139:20 amEAS - IAD
1 stop11h 40mAmerican Airlines
Deal found 4/29$751
This Iberia deal was found by Cheapflights users on 4/29. 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.
Wed 6/412:35 pmDCA - EAS
2 stops14h 05mIberia
Wed 6/119:20 amEAS - DCA
2 stops19h 47mIberia
Deal found 4/29$911
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/45:12 pmIAD - EAS
3 stops33h 18mMultiple Airlines
Wed 6/115:55 pmEAS - IAD
2 stops32h 55mMultiple Airlines
Deal found 4/29$1,091
This Mytrip deal was found by Cheapflights users on 4/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/44:35 pmDCA - EAS
3 stops33h 55mMultiple Airlines
Wed 6/115:55 pmEAS - DCA
3 stops33h 58mMultiple Airlines
Deal found 4/29$1,693
This American Airlines deal was found by Cheapflights users on 4/28. 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.
Sat 5/1710:40 amBWI - EAS
2 stops16h 00mAmerican Airlines
Wed 5/219:20 amEAS - BWI
2 stops16h 07mAmerican Airlines
Deal found 4/28$2,120
This Cheapflightsfares deal was found by Cheapflights users on 4/30. 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.
Sat 6/219:20 pmBWI - EAS
2 stops29h 20mIberia
Thu 6/269:30 pmEAS - BWI
2 stops28h 05mIberia
Deal found 4/30$2,630
This KAYAK deal was found by Cheapflights users on 4/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/163:25 pmIAD - EAS
2 stops47h 25mAvianca
Sun 10/199:20 amEAS - IAD
2 stops34h 40mAvianca
Deal found 4/29$9,921

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 May 1, 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 9/24

4:35 pm-1:00 pm

1 stop14h 25m

San Sebastián

Sun 9/28

9:20 am-3:00 pm

1 stop11h 40m

$553

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Wed 9/24

9:00 am-8:40 am

2 stops17h 40m

San Sebastián

Sun 9/28

9:20 am-7:15 pm

2 stops15h 55m

$666

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Wed 9/24

9:20 pm-8:40 am

2 stops29h 20m

San Sebastián

Sun 9/28

9:30 pm-7:35 pm

2 stops28h 05m

$737

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sat 9/6

4:35 pm-8:40 am

1 stop10h 05m

San Sebastián

Sat 9/13

9:20 am-3:00 pm

1 stop11h 40m

$751

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Wed 6/4

12:35 pm-8:40 am

2 stops14h 05m

San Sebastián

Wed 6/11

9:20 am-11:07 pm

2 stops19h 47m

$911

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Wed 6/4

5:12 pm-8:30 am

3 stops33h 18m

San Sebastián

Wed 6/11

5:55 pm-8:50 pm

2 stops32h 55m

$1,091

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Wed 6/4

4:35 pm-8:30 am

3 stops33h 55m

San Sebastián

Wed 6/11

5:55 pm-9:53 pm

3 stops33h 58m

$1,693

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 5/17

10:40 am-8:40 am

2 stops16h 00m

San Sebastián

Wed 5/21

9:20 am-7:27 pm

2 stops16h 07m

$2,120

BaltimoreSan Sebastian

BWI - EAS

BWIEAS

Baltimore/Washington

Sat 6/21

9:20 pm-8:40 am

2 stops29h 20m

San Sebastián

Thu 6/26

9:30 pm-7:35 pm

2 stops28h 05m

$2,630

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Thu 10/16

3:25 pm-8:50 pm

2 stops47h 25m

San Sebastián

Sun 10/19

9:20 am-2:00 pm

2 stops34h 40m

$9,921

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 14 results
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Compare providers for flights from Washington, D.C. to San Sebastian

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to San Sebastian in May.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-San Sebastian flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C.-San Sebastian flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C.-San Sebastian flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-San Sebastian flights, Cheapflights users trust AranGrant the most. AranGrant 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 Washington, D.C.-San Sebastian 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 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 May 1, 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 May 1, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to San Sebastian, such as American Airlines and Iberia. 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

Overall

7.2

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Iberia
7.0
Good
2,701 reviews
American Airlines
7.2
Good
10,000 reviews

Overall

7.2

Entertainment

6.9

Comfort

7.2

Boarding

7.5

Crew

8.0

Food

6.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

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 $553. Another airline that can offer you cheap pricing is American Airlines.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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

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