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Cheap flights from Washington, D.C. Reagan-National Airport to San Sebastian from $632

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Reagan-National Airport to San Sebastian departing on 11/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Reagan-National Airport to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
1:37 pm - 8:40 amDCA-EAS
13h 03m2 stops
Iberia Logo
9:20 am - 7:11 pmEAS-DCA
15h 51m2 stops
$632Iberia
Find Deal
Thu, Nov 27 - Tue, Dec 9
American Airlines Logo
10:15 am - 8:40 amDCA-EAS
16h 25m2 stops
American Airlines Logo
9:20 am - 8:15 pmEAS-DCA
16h 55m2 stops
$782American Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 9
American Airlines Logo
6:45 am - 8:40 amDCA-EAS
19h 55m2 stops
American Airlines Logo
9:30 pm - 8:15 pmEAS-DCA
28h 45m2 stops
$792American Airlines
Find Deal
Mon, Nov 24 - Mon, Dec 8
Iberia Logo
1:44 pm - 1:00 pmDCA-EAS
17h 16m2 stops
Iberia Logo
1:40 pm - 6:57 pmEAS-DCA
35h 17m2 stops
$794Iberia
Find Deal
Tue, Dec 2 - Tue, Dec 9
American Airlines Logo
8:45 pm - 8:40 amDCA-EAS
29h 55m2 stops
American Airlines Logo
9:30 pm - 8:10 pmEAS-DCA
27h 40m2 stops
$799American Airlines
Find Deal
Sat, Mar 7 - Wed, Mar 18
American Airlines Logo
3:25 pm - 1:00 pmDCA-EAS
15h 35m2 stops
American Airlines Logo
9:20 am - 10:59 pmEAS-DCA
19h 39m2 stops
$832American Airlines
Find Deal
Fri, Nov 28 - Tue, Dec 9
American Airlines Logo
5:45 pm - 1:00 pmDCA-EAS
13h 15m2 stops
American Airlines Logo
1:40 pm - 10:02 amEAS-DCA
26h 22m2 stops
$837American Airlines
Find Deal
Fri, Nov 28 - Wed, Dec 10
American Airlines Logo
8:47 am - 8:40 amDCA-EAS
17h 53m2 stops
American Airlines Logo
9:30 pm - 8:15 pmEAS-DCA
28h 45m2 stops
$842American Airlines
Find Deal
Sat, Nov 29 - Mon, Dec 8
American Airlines Logo
10:15 am - 8:40 amDCA-EAS
16h 25m2 stops
American Airlines Logo
9:20 am - 8:15 pmEAS-DCA
16h 55m2 stops
$857American Airlines
Find Deal
Wed, Nov 26 - Tue, Dec 9
Multiple Airlines Logo
4:47 pm - 1:00 pmDCA-EAS
14h 13m2 stops
Multiple Airlines Logo
9:20 am - 7:11 pmEAS-DCA
15h 51m2 stops
$941Multiple Airlines
Find Deal
Mon, Dec 1 - Mon, Dec 8

Iberia flights from Washington, D.C. Reagan-National Airport to San Sebastian

Our best Iberia deals on Washington, D.C. Reagan-National Airport to San Sebastian flight tickets
Iberia
Nov 27
DCA1:37 pmWashington, D.C. Reagan-National
13h 03m
2 stops
EAS8:40 amSan Sebastián
Dec 9
EAS9:20 amSan Sebastián
15h 51m
2 stops
DCA7:11 pmWashington, D.C. Reagan-National
$632
Find similar
Iberia
Dec 2
DCA1:44 pmWashington, D.C. Reagan-National
17h 16m
2 stops
EAS1:00 pmSan Sebastián
Dec 9
EAS1:40 pmSan Sebastián
35h 17m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$794
Find similar
Iberia
Nov 24
DCA1:44 pmWashington, D.C. Reagan-National
12h 56m
2 stops
EAS8:40 amSan Sebastián
Dec 11
EAS9:20 amSan Sebastián
15h 37m
2 stops
DCA6:57 pmWashington, D.C. Reagan-National
$885
Find similar

American Airlines flights from Washington, D.C. Reagan-National Airport to San Sebastian

Our best American Airlines deals on Washington, D.C. Reagan-National Airport to San Sebastian flight tickets
American Airlines
Nov 24
DCA10:15 amWashington, D.C. Reagan-National
16h 25m
2 stops
EAS8:40 amSan Sebastián
Dec 9
EAS9:20 amSan Sebastián
16h 55m
2 stops
DCA8:15 pmWashington, D.C. Reagan-National
$782
Find similar
American Airlines
Nov 24
DCA6:45 amWashington, D.C. Reagan-National
19h 55m
2 stops
EAS8:40 amSan Sebastián
Dec 8
EAS9:30 pmSan Sebastián
28h 45m
2 stops
DCA8:15 pmWashington, D.C. Reagan-National
$792
Find similar
American Airlines
Mar 7
DCA8:45 pmWashington, D.C. Reagan-National
29h 55m
2 stops
EAS8:40 amSan Sebastián
Mar 18
EAS9:30 pmSan Sebastián
27h 40m
2 stops
DCA8:10 pmWashington, D.C. Reagan-National
$799
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Reagan-National Airport 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, momondo users made 832,500 searches. Data last updated November 4, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Thu 11/27

1:37 pm-8:40 am

2 stops13h 03m

San Sebastián

Tue 12/9

9:20 am-7:11 pm

2 stops15h 51m

$632

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Mon 11/24

10:15 am-8:40 am

2 stops16h 25m

San Sebastián

Tue 12/9

9:20 am-8:15 pm

2 stops16h 55m

$782

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Mon 11/24

6:45 am-8:40 am

2 stops19h 55m

San Sebastián

Mon 12/8

9:30 pm-8:15 pm

2 stops28h 45m

$792

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Tue 12/2

1:44 pm-1:00 pm

2 stops17h 16m

San Sebastián

Tue 12/9

1:40 pm-6:57 pm

2 stops35h 17m

$794

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Sat 3/7

8:45 pm-8:40 am

2 stops29h 55m

San Sebastián

Wed 3/18

9:30 pm-8:10 pm

2 stops27h 40m

$799

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Fri 11/28

3:25 pm-1:00 pm

2 stops15h 35m

San Sebastián

Tue 12/9

9:20 am-10:59 pm

2 stops19h 39m

$832

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Fri 11/28

5:45 pm-1:00 pm

2 stops13h 15m

San Sebastián

Wed 12/10

1:40 pm-10:02 am

2 stops26h 22m

$837

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Sat 11/29

8:47 am-8:40 am

2 stops17h 53m

San Sebastián

Mon 12/8

9:30 pm-8:15 pm

2 stops28h 45m

$842

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Wed 11/26

10:15 am-8:40 am

2 stops16h 25m

San Sebastián

Tue 12/9

9:20 am-8:15 pm

2 stops16h 55m

$857

Washington, D.C.San Sebastian

DCA - EAS

DCAEAS

Washington, D.C. Reagan-National

Mon 12/1

4:47 pm-1:00 pm

2 stops14h 13m

San Sebastián

Mon 12/8

9:20 am-7:11 pm

2 stops15h 51m

$941

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Sebastian from

How to get the cheapest flight ticket from Washington, D.C. Reagan-National Airport to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to San Sebastian?

On average, the least expensive day to fly to San Sebastian from Washington, D.C. Reagan-National Airport is on a Thursday. momondo users have found tickets for Thursday departures for as low as $702. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Reagan-National Airport to San Sebastian for around $1,191.

What is the cheapest time of day to depart on your flight to San Sebastian?

Flying to San Sebastian from Washington, D.C. Reagan-National Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $957 when looking at flights departing in the evening. Flights to San Sebastian are more costly in the afternoon, with an average ticket price of $1,087. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Washington, D.C. Reagan-National Airport to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Reagan-National Airport to San Sebastian (DCA to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to San Sebastian

Direct flights

None
There are no direct flights from Washington, D.C. Reagan-National Airport to San Sebastian. There are no popular flight routes from Washington, D.C. Reagan-National Airport to San Sebastian.
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  • How far is Washington, D.C. Reagan-National to San Sebastián by plane?

    San Sebastián is 3783.9 mi away from Washington, D.C. Reagan-National. By plane, this route typically takes 12h 56m.

  • When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to San Sebastián Airport?

    Prices for flights from Washington, D.C. Reagan-National Airport to San Sebastián Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Washington, D.C. Reagan-National Airport to San Sebastián Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The travel and health documents you'll need for your trip to San Sebastián Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at San Sebastián Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
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Hondarribia

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to San Sebastian?

It is quick and easy to find Washington, D.C. to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

Can I find flights from Washington, D.C. to San Sebastian with flexible booking policies on momondo?

All flight searches from Washington, D.C. to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to San Sebastian?

Once all potential Washington, D.C. to San Sebastian flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to San Sebastian right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Sebastian, momondo offers a useful price alert feature which will track prices for flights to San Sebastian from Washington, D.C. and alert you when they change.

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