Cheap flights from Washington, D.C. to San Sebastian from $561
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. to San Sebastian departing on 10/8. 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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Iberia flights from Washington, D.C. to San Sebastian
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How to get the cheapest flight ticket from Washington, D.C. 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. 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. 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. 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.
What is the cheapest airline that flies from Washington, D.C. to San Sebastián?
Iberia is the most popular carrier operating from Washington, D.C. to San Sebastián
What airlines fly to San Sebastian?
United Airlines, Iberia and Lufthansa are the top three most popular airlines that fly to San Sebastian from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 31% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 5 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.
When to book flights from Washington, D.C. to San Sebastian
Cheap Washington, D.C. to San Sebastian (WAS to EAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to San Sebastian
How far is Washington, D.C. to San Sebastián by plane?
The straight-line distance from Washington, D.C. to San Sebastián is 3781.9 mi. 10h 05m is a normal flight duration for this route.
When did momondo last update prices for flights from Washington, D.C. to San Sebastián Airport?
Prices for flights from Washington, D.C. to San Sebastián Airport were last updated today.
How many operators does momondo search for flights from Washington, D.C. to San Sebastián Airport?
There is 1 operator available for flights from Washington, D.C. to San Sebastián Airport as of June 2025.
How old do you have to be to fly from Washington, D.C. to San Sebastián Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. 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.
What is the most popular airline from Washington, D.C. to San Sebastian?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Washington, D.C. to San Sebastian is American Airlines (58% of total bookings). The next most popular airline is Iberia (42%).
Best airlines flying from Washington, D.C. to San Sebastian
Compare and see reviews for airlines that fly from Washington, D.C. to San Sebastian with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $617 | Free Cancellation | Rating 7.0 2,776 reviews |
Traveling to a place near San Sebastian?
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Why should I use momondo to find a flight deal from Washington, D.C. to San Sebastian?
Finding the right flight to San Sebastian from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to San Sebastian quick and easy, saving you time and money.
Can I find flights from Washington, D.C. to San Sebastian with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Washington, D.C. to San Sebastian flights to just show those with flexible booking policies.
How can momondo help me find flights from Washington, D.C. to San Sebastian?
momondo provides multiple filters to help you find the best flight to San Sebastian from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Washington, D.C. to San Sebastian right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Sebastian from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.