WAS - EAS

$452 Find Cheap Flights from Washington, D.C. to San Sebastian

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Washington, D.C. to San Sebastian departing on 8/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to San Sebastian

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to San Sebastian, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Washington, D.C. to San Sebastian, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$837
Iberia
Tue 10/13Mon 10/19
IAD - EAS • 1 stop
Cheapest one-way
$452
American Airlines
Fri 8/7
DCA - EAS • 2 stops
Top airlines
Iberia
Cheapest • from $837 (round-trip)
Iberia
Best reviews • 7.0 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between Washington, D.C. and San Sebastian. You'll need at least 1 connection.
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We hope you love your trip to San Sebastian!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Washington, D.C. to San Sebastian (WAS-EAS)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington, D.C. to San Sebastian that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Washington, D.C. to San Sebastian

Tue, Oct 13 - Mon, Oct 19
Iberia Logo
5:00 pm - 1:00 pm
IAD
-
EAS
14h 00m
1 stop
Iberia Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
$837Iberia
Tue, Oct 13 - Mon, Oct 19
American Airlines Logo
10:50 am - 8:40 am
IAD
-
EAS
15h 50m
2 stops
American Airlines Logo
1:40 pm - 3:30 pm
EAS
-
IAD
31h 50m
1 stop
$842American Airlines
Tue, Oct 13 - Mon, Oct 19
Multiple Airlines Logo
9:30 pm - 8:40 am
BWI
-
EAS
29h 10m
2 stops
Multiple Airlines Logo
9:30 pm - 12:01 am
EAS
-
BWI
32h 31m
2 stops
$862Multiple Airlines
Sat, Oct 10 - Sun, Oct 18
Iberia Logo
6:41 pm - 8:40 am
IAD
-
EAS
55h 59m
2 stops
Iberia Logo
9:30 pm - 8:20 pm
EAS
-
IAD
52h 50m
2 stops
$928Iberia
Sat, Oct 10 - Sun, Oct 18
Iberia Logo
6:41 pm - 8:40 am
IAD
-
EAS
55h 59m
2 stops
Iberia Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
$929Iberia
Sat, Oct 10 - Sun, Oct 18
Iberia Logo
5:00 pm - 1:00 pm
IAD
-
EAS
14h 00m
1 stop
Iberia Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
$937Iberia
Sat, Oct 10 - Sun, Oct 18
Multiple Airlines Logo
5:00 pm - 1:00 pm
IAD
-
EAS
14h 00m
1 stop
Multiple Airlines Logo
9:30 pm - 3:30 pm
EAS
-
IAD
24h 00m
1 stop
$938Multiple Airlines
Sat, Oct 10 - Sun, Oct 18
American Airlines Logo
5:30 pm - 1:00 pm
DCA
-
EAS
13h 30m
2 stops
American Airlines Logo
9:20 am - 10:00 pm
EAS
-
DCA
18h 40m
2 stops
$941American Airlines
Fri, Jul 10 - Tue, Jul 14
British Airways Logo
1:32 pm - 1:00 pm
DCA
-
EAS
17h 28m
2 stops
British Airways Logo
9:30 pm - 11:22 pm
EAS
-
DCA
31h 52m
2 stops
$1,112British Airways
Fri, Jul 10 - Tue, Jul 14
British Airways Logo
10:06 am - 1:00 pm
BWI
-
EAS
20h 54m
2 stops
British Airways Logo
9:30 pm - 8:37 pm
EAS
-
BWI
29h 07m
2 stops
$1,123British Airways
Booking Insights

KAYAK's insights & trends for Washington, D.C. to San Sebastian flights

Get data-powered insights and trends into flights from Washington, D.C. to San Sebastian to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Washington, D.C. to San Sebastian?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Washington, D.C. to San Sebastian departing in October.
Find deals

Good to know

Cheapest flight$452
Most popular time to fly and prices are also 16% lower on average.
Flight from Reagan Washington National Airport to San Sebastian

When to book flights from Washington, D.C. to San Sebastian

Are your dates flexible? Find out the best times to travel from Washington, D.C. to San Sebastian based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Washington, D.C. to San Sebastian

  • What is the cheapest flight from Washington, D.C. to San Sebastian?

    In the last 3 days, the lowest price for a flight from Washington, D.C. to San Sebastian was $452 for a one-way ticket and $837 for a round-trip.

  • Do I need a passport to fly between Washington, D.C. and San Sebastian?

    Yes, you’ll need a passport to travel to San Sebastian from Washington, D.C..

  • Which airports will I be using when flying from Washington, D.C. to San Sebastian?

    On your way to San Sebastian, you’ll fly out from one of these Washington, D.C. airports: Washington, D.C. Reagan-National or Washington, D.C. Dulles Intl. You’ll be landing at San Sebastián.

  • Which aircraft models fly most regularly from Washington, D.C. to San Sebastian?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Washington, D.C. to San Sebastian?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington, D.C. to San Sebastian.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington, D.C. to San Sebastian?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Sebastian from Washington, D.C. is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Washington, D.C. to San Sebastian?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Sebastian with an airline and back to Washington, D.C. with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington, D.C. to San Sebastian?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Sebastian from Washington, D.C. up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from Washington, D.C. to San Sebastian

 
See real verified KAYAK customer reviews for airlines flying from Washington, D.C. to San Sebastian. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Washington, D.C. to San Sebastian? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.0
IberiaOverall score based on 3185 reviews
6.8Comfort
6.6Entertainment
6.4Food
7.2Boarding
7.7Crew
Airline reviews

In general, I've had excellent experiences with Iberia flights and will continue to use them. In this last flight there were two things that didn't go right. I didn't get the kosher meal I had pre-requested when I had checked in on-line. Things worked out OK as we ended up eating the fish and vegetarian choices, which were really good. The other issue was that some movies for me and my wife started fine but after 8-12 minutes the content just switched to something else. The flight attendant reset our entertainment systems, but the problem persisted. We ended up choosing other movies/TV shows that did work fine.

8.0 ExcellentDaniel, Apr 2026
MCO - MAD
Read more Iberia reviews

In general, I've had excellent experiences with Iberia flights and will continue to use them. In this last flight there were two things that didn't go right. I didn't get the kosher meal I had pre-requested when I had checked in on-line. Things worked out OK as we ended up eating the fish and vegetarian choices, which were really good. The other issue was that some movies for me and my wife started fine but after 8-12 minutes the content just switched to something else. The flight attendant reset our entertainment systems, but the problem persisted. We ended up choosing other movies/TV shows that did work fine.

Awful. They didn't even show concern that her connecting flight( Dallas to Mardrid) was gone/missing. I don't understand how that is even possible. Rudest answer from one of the crew was that American Airlines sold the tickets to somebody else. My daughter was not in the list.

The flight was canceled on a Thursday last minute. I lost thousands of dollars in hotels and car rental

Excellent lie flat seat for premium economy! Great staff. Bad food . Not so great entertainment. My bag didn’t make it either.

Really like the idea experience on this airline I will use again

The pilot was professional and very good. The flight crew, very young and often looked flustered and overwhelmed. The seats were among the most uncomfortable in the air. The boarding somewhat chaotic. The price reasonable. Overall it was an average budget airline experience...although Iberia is not a budget airline. I fear if Iberia doesn't up it's game customers like us will go elsewhere.

Bad weather Excelent pilot Spoke British 😆on time seats small ad expected in a discount airline

It wasn’t great because the third-party from Kayak there was just no information about how to check in with Vueling. And the purchase of the ticket from under pricer just made everything really difficult. I’m unlikely to use Kayak again for these reasons.

It was fine, older plane with limited entertainment, otherwise fine.

the seats were bad and uncomfortable and the food was not tasty.

Everything you need to know for your flight from Washington, D.C. to San Sebastian

Information on your arrival and departure airports

San Sebastian (EAS)