Question 1

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

Accepted Answer

In the last 7 days, the lowest price for a flight from Washington, D.C. to San Sebastian was $397 for a one-way ticket and $825 for a round-trip. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 2

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

Accepted Answer

Yes, you’ll need a passport to travel to San Sebastian from Washington, D.C.. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 3

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

Accepted Answer

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. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 4

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

Accepted Answer

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

Question 5

Which airline alliances offer flights from Washington, D.C. to San Sebastian?

Accepted Answer

oneworld is the only airline alliance operating flights between Washington, D.C. and San Sebastian.

Question 6

What is the cheapest month to fly from Washington, D.C. to San Sebastian?

Accepted Answer

The cheapest month for flights from Washington, D.C. to San Sebastian is February, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $1,493 and $1,435 respectively.

Question 7

What is the cheapest month to fly from Washington, D.C. to San Sebastian?

Accepted Answer

The cheapest month for flights from Washington, D.C. to San Sebastian is February, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $1,493 and $1,435 respectively.

Question 8

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

Accepted Answer

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. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 9

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?

Accepted Answer

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. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 10

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

Accepted Answer

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. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 11

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

Accepted Answer

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. <a href='/flight-routes/Washington-WAS/San-Sebastian-EAS'>Visit our flight page for the latest deals!>/a>

Question 12

Which airlines provide the cheapest flights from Washington, D.C. to San Sebastian?

Accepted Answer

In the past 7 days, the cheapest round-trip tickets from Washington, D.C. to San Sebastian were found on Iberia ($825) and American Airlines ($945).

Question 13

Which airlines provide the cheapest flights from Washington, D.C. to San Sebastian?

Accepted Answer

In the past 7 days, the cheapest round-trip tickets from Washington, D.C. to San Sebastian were found on Iberia ($825) and American Airlines ($945).

Question 14

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

Accepted Answer

Flight prices are below average for this route right now.Flights to San Sebastian from Washington, D.C. usually cost between $1,222 and $1,164 in September.
The lowest price found in the past 7 days was $825 on Iberia (Sep 22-Sep 29).

Question 15

What are the most popular airlines flying to San Sebastian?

Accepted Answer

The most popular airline among KAYAK users flying to San Sebastian is Lufthansa, followed by United Airlines and TAP AIR PORTUGAL.

High season	September
Cheapest flight	$394

WAS - EAS

$397 Find Cheap Flights from Washington, D.C. to San Sebastian

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

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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?

What is the cheapest month to fly from Washington, D.C. to San Sebastian?

The cheapest month for flights from Washington, D.C. to San Sebastian is February, where tickets cost $0 (return) on average. On the other hand, the most expensive months are July and June, where the average cost of round-trip tickets is $1,493 and $1,435 respectively.

Which airlines provide the cheapest flights from Washington, D.C. to San Sebastian?

In the past 7 days, the cheapest round-trip tickets from Washington, D.C. to San Sebastian were found on Iberia ($825) and American Airlines ($945).

Good to know

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

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 7 days, the lowest price for a flight from Washington, D.C. to San Sebastian was $397 for a one-way ticket and $825 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.

Which airline alliances offer flights from Washington, D.C. to San Sebastian?

oneworld is the only airline alliance operating flights between Washington, D.C. and San Sebastian.

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

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

Information on your arrival and departure airports

Cabin class types available on flights from Washington, D.C. to San Sebastian

Complete your trip to San Sebastian with a hotel stay or car rental

Find direct flights to and from Washington, D.C. and San Sebastian

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Choose which airport to fly into in San Sebastian