How do I get Price Alerts for flights from San Sebastian to Washington, D.C. Dulles Intl Airport?

Confirm your travel details to search for the latest offers for flights from San Sebastian to Washington, D.C. Dulles Intl Airport . While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

How does momondo find its flight prices?

momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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.

$519 Cheap Flights from San Sebastian to Washington, D.C. Dulles Intl Airport in 2026

Find the cheapest flights from San Sebastian to Washington, D.C.

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:20 am - 6:50 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

15h 30m1 stop Madrid Barajas

8:25 pm - 1:00 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

10h 35m1 stop Madrid Barajas

$596Iberia

Thu, Oct 1 - Thu, Oct 8

9:20 am - 6:50 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

15h 30m1 stop Madrid Barajas

1:23 pm - 8:40 amIAD Washington, D.C. Dulles Intl-EAS San Sebastián

13h 17m2 stops Charlotte Douglas Madrid Barajas

$643American Airlines

Thu, Oct 1 - Thu, Oct 8

6:00 pm - 3:30 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

27h 30m2 stops Barcelona-El Prat Madrid Barajas

8:25 pm - 8:20 amIAD Washington, D.C. Dulles Intl-EAS San Sebastián

29h 55m2 stops Madrid Barajas Barcelona-El Prat

$940Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

9:10 am - 11:30 amEAS San Sebastián-IAD Washington, D.C. Dulles Intl

32h 20m3 stops Barcelona-El Prat Milan Malpensa Istanbul

1:15 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

22h 05m3 stops Istanbul Milan Malpensa Barcelona-El Prat

$1,351Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

6:00 pm - 2:25 pmEAS San Sebastián-IAD Washington, D.C. Dulles Intl

26h 25m2 stops Barcelona-El Prat Lisbon Humberto Delgado

3:45 pm - 5:20 pmIAD Washington, D.C. Dulles Intl-EAS San Sebastián

19h 35m3 stops Montreal Pierre Elliott Trudeau Intl Milan Malpensa Barcelona-El Prat

$1,396Multiple Airlines

Thu, Oct 1 - Thu, Oct 8

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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

Cheapest round-trip

Quickest round-trip

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 10/1

9:20 am-6:50 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Thu 10/8

8:25 pm-1:00 pm

1 stop10h 35m

$596

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 10/1

9:20 am-6:50 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

Thu 10/8

1:23 pm-8:40 am

2 stops13h 17m

$643

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 10/1

6:00 pm-3:30 pm

2 stops27h 30m

Washington, D.C. Dulles Intl

Thu 10/8

8:25 pm-8:20 am

2 stops29h 55m

$940

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 10/1

9:10 am-11:30 am

3 stops32h 20m

Washington, D.C. Dulles Intl

Thu 10/8

1:15 pm-5:20 pm

3 stops22h 05m

$1,351

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Thu 10/1

6:00 pm-2:25 pm

2 stops26h 25m

Washington, D.C. Dulles Intl

Thu 10/8

3:45 pm-5:20 pm

3 stops19h 35m

$1,396

Cheapest one-way

Quickest one-way

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Fri 11/27

9:20 am-4:20 pm

1 stop13h 00m

$519

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Fri 11/27

2:10 pm-4:20 pm

3 stops32h 10m

$567

San SebastianWashington, D.C.

EAS San Sebastián - IAD Washington, D.C. Dulles Intl

EASIAD

San Sebastián

Fri 11/27

9:20 am-7:05 pm

2 stops15h 45m

$603

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

Best Price Found	$519
Fastest flight time	23h 40m
Direct flights	None

The best one-way flight to Washington, D.C. Dulles Intl Airport from San Sebastian in the past 72 hours is $519. The best round-trip flight deal from San Sebastian to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $596.

The fastest flight from San Sebastian to Washington, D.C. Dulles Intl Airport takes 23h 40m

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.

Search flight deals

Frequently asked questions about flying from San Sebastian to Washington, D.C. Dulles Intl Airport

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 23h 40m.
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.

Frequently asked questions about flying from San Sebastian to Washington, D.C. Dulles Intl Airport

How do I get Price Alerts for flights from San Sebastian to Washington, D.C. Dulles Intl Airport?
Confirm your travel details to search for the latest offers for flights from San Sebastian to Washington, D.C. Dulles Intl Airport. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.
How can I save money on flights from San Sebastian to Washington, D.C. Dulles Intl Airport with momondo?
By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

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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.