HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Sebastian

$425+ Cheap flights from District of Columbia 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — EAS
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from District of Columbia to San Sebastian with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from District of Columbia to San Sebastian

Cheapest flights from District of Columbia to San Sebastian
Explore the most affordable flight options available from District of Columbia to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Trip.com deal was found by Cheapflights users on 1/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:30 pm
IAD
-
EAS
2 stops37h 10m
Multiple Airlines
Tue 3/39:30 pm
EAS
-
IAD
2 stops44h 15m
Multiple Airlines
Deal found 1/27$826
This Kiwi.com deal was found by Cheapflights users on 1/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:00 pm
IAD
-
EAS
1 stop14h 00m
Multiple Airlines
Wed 4/229:30 pm
EAS
-
IAD
2 stops29h 05m
Multiple Airlines
Deal found 1/27$922
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/191:29 pm
DCA
-
EAS
2 stops13h 11m
Multiple Airlines
Wed 4/229:20 am
EAS
-
DCA
2 stops18h 55m
Multiple Airlines
Deal found 1/27$986
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/147:20 pm
IAD
-
EAS
2 stops32h 20m
Iberia
Sat 3/219:30 pm
EAS
-
IAD
2 stops48h 05m
Iberia
Deal found 1/28$1,050
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:50 pm
DCA
-
EAS
2 stops16h 10m
Iberia
Tue 11/31:40 pm
EAS
-
DCA
2 stops16h 16m
Iberia
Deal found 1/26$1,140
This Priceline deal was found by Cheapflights users on 1/27. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:00 pm
IAD
-
EAS
1 stop21h 50m
Iberia
Wed 4/229:20 am
EAS
-
IAD
1 stop12h 10m
Iberia
Deal found 1/27$1,191
This Expedia deal was found by Cheapflights users on 1/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/144:59 pm
DCA
-
EAS
2 stops15h 01m
Iberia
Sat 3/211:40 pm
EAS
-
DCA
2 stops31h 57m
Iberia
Deal found 1/28$1,215
This American Airlines deal was found by Cheapflights users on 1/27. 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.
Sat 2/289:18 am
IAD
-
EAS
2 stops17h 22m
American Airlines
Tue 3/39:20 am
EAS
-
IAD
1 stop13h 10m
American Airlines
Deal found 1/27$1,293
This Iberia deal was found by Cheapflights users on 1/27. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/281:20 pm
DCA
-
EAS
2 stops13h 20m
Iberia
Tue 3/39:20 am
EAS
-
DCA
2 stops19h 15m
Iberia
Deal found 1/27$1,303
This Mytrip deal was found by Cheapflights users on 1/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/146:30 pm
IAD
-
EAS
2 stops14h 00m
Multiple Airlines
Sat 3/212:05 pm
EAS
-
IAD
3 stops35h 15m
Multiple Airlines
Deal found 1/28$1,314
This Iberia deal was found by Cheapflights users on 1/26. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/275:40 pm
IAD
-
EAS
2 stops32h 40m
Iberia
Thu 10/19:20 am
EAS
-
IAD
1 stop12h 10m
Iberia
Deal found 1/26$1,318
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/213:36 pm
DCA
-
EAS
2 stops15h 24m
Iberia
Wed 9/309:20 am
EAS
-
DCA
2 stops19h 42m
Iberia
Deal found 1/27$1,332

Find flight deals from District of Columbia to San Sebastian

Keep the following information in mind while searching for District of Columbia to San Sebastian flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$826
(Trip.com)

One-way from

$425
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$592
Provider with most accurate pricing for Washington, D.C. (WAS)-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-San Sebastián flights.
Search Deals
From District of Columbia to San Sebastián
Search Deals
One-way flight from District of Columbia to San Sebastián
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($282 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 January 29, 2026.
Use the filters below to find and compare flights from District of Columbia to San Sebastian that are best for you.

Fly from

District of Columbia

Fly to

San Sebastian

Route

Depart

Return

Price

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sat 2/28

1:30 pm-8:40 am

2 stops37h 10m

San Sebastián

Tue 3/3

9:30 pm-11:45 am

2 stops44h 15m

$826

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sun 4/19

5:00 pm-1:00 pm

1 stop14h 00m

San Sebastián

Wed 4/22

9:30 pm-8:35 pm

2 stops29h 05m

$922

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Sun 4/19

1:29 pm-8:40 am

2 stops13h 11m

San Sebastián

Wed 4/22

9:20 am-10:15 pm

2 stops18h 55m

$986

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sun 4/19

5:00 pm-8:50 pm

1 stop21h 50m

San Sebastián

Wed 4/22

9:20 am-3:30 pm

1 stop12h 10m

$1,191

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Sat 3/14

4:59 pm-1:00 pm

2 stops15h 01m

San Sebastián

Sat 3/21

1:40 pm-4:37 pm

2 stops31h 57m

$1,215

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sat 2/28

9:18 am-8:40 am

2 stops17h 22m

San Sebastián

Tue 3/3

9:20 am-4:30 pm

1 stop13h 10m

$1,293

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Sat 2/28

1:20 pm-8:40 am

2 stops13h 20m

San Sebastián

Tue 3/3

9:20 am-10:35 pm

2 stops19h 15m

$1,303

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sat 3/14

6:30 pm-1:30 pm

2 stops14h 00m

San Sebastián

Sat 3/21

2:05 pm-8:20 pm

3 stops35h 15m

$1,314

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Sun 7/12

9:16 am-8:40 am

2 stops17h 24m

San Sebastián

Thu 7/30

9:20 am-3:30 pm

1 stop12h 10m

$1,330

Washington, D.C.San Sebastian

IAD - EAS

IADEAS

Washington, D.C. Dulles Intl

Fri 5/22

10:25 pm-8:50 pm

2 stops16h 25m

San Sebastián

Sun 5/31

9:30 pm-3:30 pm

1 stop24h 00m

$1,389

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 14 results
1
2

Best time to book a flight from District of Columbia to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from District of Columbia 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 District of Columbia to San Sebastian

What is the cheapest month to book a flight from District of Columbia to San Sebastian?

Currently, January is the cheapest month in which you can book a flight from District of Columbia to San Sebastian (average of $337). Flying from District of Columbia to San Sebastian in July is currently the most expensive (average of $649). 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 District of Columbia 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 District of Columbia?

    San Sebastián (EAS) is the airport you will fly into if you book a flight from District of Columbia to San Sebastian. It is only a 9.7 mi journey from San Sebastián (EAS) to San Sebastian’s city center.

  • How long is the flight from District of Columbia to San Sebastian?

    A quick flight from District of Columbia to San Sebastian can take about 17h 22m. Iberia provides one of the quickest options available for as low as $1,293. The distance between District of Columbia and San Sebastian is about 3807 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from District of Columbia to San Sebastian that include hotel bookings?

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

  • How can I find direct flights from District of Columbia to San Sebastian?

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

  • Can I find deals for business class flights from District of Columbia to San Sebastian?

    Yes. Cheapflights offers flight deals from District of Columbia 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.

  • What is the cheapest month to book a flight from District of Columbia to San Sebastian?

    Currently, January is the cheapest month in which you can book a flight from District of Columbia to San Sebastian (average of $337). Flying from District of Columbia to San Sebastian in July is currently the most expensive (average of $649). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for District of Columbia to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Bilbao flights
John F Kennedy Intl to Bilbao flights
Dulles Intl to Bilbao flights
Reagan-National to Bilbao flights
Boston to Bilbao flights
Baltimore to Bilbao flights
LaGuardia to Bilbao flights
Seattle to Bilbao flights
San Francisco to Bilbao flights
Miami to Bilbao flights
Los Angeles to Bilbao flights
John F Kennedy Intl to San Sebastian flights
Newark to San Sebastian flights
Fort Lauderdale to Bilbao flights
Hobby to Bilbao flights
Atlanta to Bilbao flights
Austin to Bilbao flights
Philadelphia to Bilbao flights
Los Angeles to San Sebastian flights
Dallas/Fort Worth to Bilbao flights
Minneapolis to Bilbao flights
Santa Ana to Bilbao flights
Denver to Bilbao flights
O'Hare Intl to San Sebastian flights
O'Hare Intl to Bilbao flights
George Bush Intcntl to Bilbao flights
San Jose to Bilbao flights
LaGuardia to San Sebastian flights
Seattle to San Sebastian flights
Orlando to Bilbao flights
Ontario to Bilbao flights
Atlanta to San Sebastian flights
Miami to San Sebastian flights
Portland to Bilbao flights
Love Field to Bilbao flights
West Palm Beach to Bilbao flights
Providence to Bilbao flights
Cincinnati to Bilbao flights
Sky Harbor Intl to Bilbao flights
Detroit to Bilbao flights
New Orleans to Bilbao flights
Raleigh to Bilbao flights
Austin to San Sebastian flights
Boston to San Sebastian flights
Cleveland to Bilbao flights
San Diego to Bilbao flights
San Antonio to Bilbao flights
Salt Lake City to Bilbao flights
El Paso to Bilbao flights
Pittsburgh to Bilbao flights

Top airline flying from District of Columbia to San Sebastian

Discover the top airline that operate flights from District of Columbia 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$561Average$1,005FlexibilityNo cancel feeOn-time77%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.