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Cheap flights from San Sebastian to Washington, D.C. from $368

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Sebastian to Washington, D.C. departing on 10/15. 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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Cheap round-trip flights

Iberia Logo
9:20 am - 3:35 pmEAS-IAD
36h 15m2 stops
Iberia Logo
9:45 pm - 8:40 amIAD-EAS
28h 55m2 stops
$657Iberia
Find Deal
Thu, Feb 19 - Mon, Feb 23
Iberia Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
Iberia Logo
6:20 pm - 8:50 pmIAD-EAS
20h 30m2 stops
$710Iberia
Find Deal
Thu, Feb 19 - Mon, Feb 23
Iberia Logo
9:30 pm - 3:50 pmEAS-IAD
24h 20m2 stops
Iberia Logo
9:45 pm - 8:40 amIAD-EAS
28h 55m2 stops
$747Iberia
Find Deal
Tue, Oct 14 - Tue, Nov 4
Iberia Logo
9:30 pm - 3:50 pmEAS-IAD
24h 20m2 stops
Iberia Logo
6:00 pm - 1:00 pmIAD-EAS
13h 00m1 stop
$760Iberia
Find Deal
Tue, Oct 14 - Tue, Nov 4
Iberia Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
Iberia Logo
6:20 pm - 8:50 pmIAD-EAS
20h 30m2 stops
$906Iberia
Find Deal
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
1:30 pm - 3:20 pmEAS-IAD
31h 50m2 stops
Multiple Airlines Logo
9:00 am - 1:30 pmIAD-EAS
22h 30m3 stops
$913Multiple Airlines
Find Deal
Tue, Oct 14 - Tue, Nov 4
American Airlines Logo
9:20 am - 4:30 pmEAS-IAD
13h 10m1 stop
American Airlines Logo
6:48 am - 1:00 pmIAD-EAS
24h 12m2 stops
$939American Airlines
Find Deal
Thu, Feb 19 - Mon, Feb 23
Multiple Airlines Logo
1:30 pm - 3:20 pmEAS-IAD
31h 50m3 stops
Multiple Airlines Logo
9:00 am - 1:30 pmIAD-EAS
22h 30m3 stops
$999Multiple Airlines
Find Deal
Tue, Oct 14 - Tue, Nov 4
Multiple Airlines Logo
9:30 pm - 2:05 pmEAS-IAD
22h 35m1 stop
Multiple Airlines Logo
6:30 pm - 1:00 pmIAD-EAS
12h 30m1 stop
$1,064Multiple Airlines
Find Deal
Tue, Oct 14 - Tue, Nov 4
Multiple Airlines Logo
1:30 pm - 3:20 pmEAS-IAD
31h 50m2 stops
Multiple Airlines Logo
3:00 am - 1:30 pmIAD-EAS
28h 30m3 stops
$1,404Multiple Airlines
Find Deal
Tue, Oct 14 - Mon, Nov 3

Iberia flights from San Sebastian to Washington, D.C. Dulles Intl Airport

Our best Iberia deals on San Sebastian to Washington, D.C. Dulles Intl Airport flight tickets
Iberia
Feb 19
EAS9:20 amSan Sebastián
36h 15m
2 stops
IAD3:35 pmWashington, D.C. Dulles Intl
Feb 23
IAD9:45 pmWashington, D.C. Dulles Intl
28h 55m
2 stops
EAS8:40 amSan Sebastián
$657
Find similar
Iberia
Feb 19
EAS9:20 amSan Sebastián
13h 10m
1 stop
IAD4:30 pmWashington, D.C. Dulles Intl
Feb 23
IAD6:20 pmWashington, D.C. Dulles Intl
20h 30m
2 stops
EAS8:50 pmSan Sebastián
$710
Find similar
Iberia
Oct 14
EAS9:30 pmSan Sebastián
24h 20m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Nov 4
IAD9:45 pmWashington, D.C. Dulles Intl
28h 55m
2 stops
EAS8:40 amSan Sebastián
$747
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San Sebastian to Washington, D.C. Dulles Intl Airport 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 September 16, 2025.
Use the filters below to find and compare flights from San Sebastian to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-3:35 pm

2 stops36h 15m

Washington, D.C. Dulles Intl

Mon 2/23

9:45 pm-8:40 am

2 stops28h 55m

$657

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Mon 2/23

6:20 pm-8:50 pm

2 stops20h 30m

$710

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 10/14

9:30 pm-3:50 pm

2 stops24h 20m

Washington, D.C. Dulles Intl

Tue 11/4

9:45 pm-8:40 am

2 stops28h 55m

$747

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 10/14

9:30 pm-3:50 pm

2 stops24h 20m

Washington, D.C. Dulles Intl

Tue 11/4

6:00 pm-1:00 pm

1 stop13h 00m

$760

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Mon 2/23

6:20 pm-8:50 pm

2 stops20h 30m

$906

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 10/14

1:30 pm-3:20 pm

2 stops31h 50m

Washington, D.C. Dulles Intl

Tue 11/4

9:00 am-1:30 pm

3 stops22h 30m

$913

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Thu 2/19

9:20 am-4:30 pm

1 stop13h 10m

Washington, D.C. Dulles Intl

Mon 2/23

6:48 am-1:00 pm

2 stops24h 12m

$939

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 10/14

1:30 pm-3:20 pm

3 stops31h 50m

Washington, D.C. Dulles Intl

Tue 11/4

9:00 am-1:30 pm

3 stops22h 30m

$999

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 10/14

9:30 pm-2:05 pm

1 stop22h 35m

Washington, D.C. Dulles Intl

Tue 11/4

6:30 pm-1:00 pm

1 stop12h 30m

$1,064

San SebastianWashington, D.C.

EAS - IAD

EASIAD

San Sebastián

Tue 10/14

1:30 pm-3:20 pm

2 stops31h 50m

Washington, D.C. Dulles Intl

Mon 11/3

3:00 am-1:30 pm

3 stops28h 30m

$1,404

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from San Sebastian to Washington, D.C. Dulles Intl Airport

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 airline that flies from San Sebastián to Washington, D.C. Dulles Intl?

Iberia is the most popular carrier operating from San Sebastián to Washington, D.C. Dulles Intl

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

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

Cheap San Sebastian to Washington, D.C. Dulles Intl Airport (EAS to IAD) flight deals and tips

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

Direct flights

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

    The distance between San Sebastián and Washington, D.C. Dulles Intl is about 3799.5 mi. A reasonable flight in good conditions will take 13h 10m.

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

    Prices for flights from San Sebastián Airport to Washington, D.C. Dulles Intl Airport refresh daily.

  • How old do you have to be to fly from San Sebastián Airport to Washington, D.C. Dulles Intl 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 San Sebastián Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from San Sebastian to Washington, D.C. for you.

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

Flights from San Sebastian to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential San Sebastian to Washington, D.C. 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 San Sebastian to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from San Sebastian to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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