IAD - EAS

$846 Find Cheap Flights from Washington Dulles Airport to San Sebastian - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$846
Typical prices: $1,059-$1,364
Iberia
Sun 2/11Fri 2/16
IAD - EAS • 2 stops
Nonstop flights
There are currently no direct flights between Washington, D.C. Dulles Intl Airport and San Sebastian. You'll need to take a connecting flight to reach the destination.
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When to travel
Cheapest • 41% price drop
Most popular
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Flight Deals

Cheap Flights from Dulles Intl to San Sebastian (IAD-EAS)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Dulles Intl to San Sebastian

Thu, Feb 11 - Tue, Feb 16
Iberia Logo
6:05 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
32h 35m2 stops London Heathrow Madrid Barajas
Iberia Logo
9:20 am - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
13h 00m1 stop Madrid Barajas
$846Iberia
Thu, Feb 11 - Tue, Feb 16
Iberia Logo
5:50 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
32h 50m1 stop Madrid Barajas
Iberia Logo
9:20 am - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
13h 00m1 stop Madrid Barajas
$849Iberia
Thu, Feb 4 - Mon, Feb 8
British Airways Logo
6:00 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
13h 00m1 stop Madrid Barajas
British Airways Logo
9:30 pm - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
24h 50m1 stop Madrid Barajas
$851British Airways
Thu, Feb 4 - Mon, Feb 8
Iberia Logo
9:45 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
28h 55m2 stops London Heathrow Madrid Barajas
Iberia Logo
1:40 pm - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
32h 40m1 stop Madrid Barajas
$856Iberia
Fri, Feb 12 - Tue, Feb 16
Iberia Logo
5:50 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
13h 10m1 stop Madrid Barajas
Iberia Logo
9:20 am - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
13h 00m1 stop Madrid Barajas
$866Iberia
Thu, Feb 4 - Mon, Feb 8
Iberia Logo
6:05 pm - 8:40 amIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
32h 35m2 stops London Heathrow Madrid Barajas
Iberia Logo
9:30 pm - 4:18 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
24h 48m2 stops Madrid Barajas Dallas/Fort Worth
$868Iberia
Thu, Feb 11 - Tue, Feb 16
American Airlines Logo
9:16 am - 8:40 amIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
17h 24m2 stops Charlotte Douglas Madrid Barajas
American Airlines Logo
9:20 am - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
13h 00m1 stop Madrid Barajas
$871American Airlines
Fri, Feb 12 - Tue, Feb 16
Iberia Logo
5:50 pm - 8:50 pmIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
21h 00m1 stop Madrid Barajas
Iberia Logo
9:20 am - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
13h 00m1 stop Madrid Barajas
$875Iberia
Fri, Feb 12 - Tue, Feb 16
Multiple Airlines Logo
5:50 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
13h 10m1 stop Madrid Barajas
Multiple Airlines Logo
9:30 pm - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
24h 50m1 stop Madrid Barajas
$877Multiple Airlines
Thu, Feb 11 - Tue, Feb 16
American Airlines Logo
5:50 pm - 1:00 pmIAD  Washington, D.C. Dulles Intl-EAS San Sebastián
13h 10m1 stop Madrid Barajas
American Airlines Logo
9:20 am - 4:20 pmEAS  San Sebastián-IAD Washington, D.C. Dulles Intl
13h 00m1 stop Madrid Barajas
$881American Airlines
Booking Insights

Price, demand and travel trends for Washington, D.C. Dulles Intl Airport to San Sebastian flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

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

Round-trip flights from Washington, D.C. Dulles Intl Airport to San Sebastian typically range from $1,059 to $1,364. The lowest price found in the past 5 days was $846, on Iberia.

Key details for Washington, D.C. Dulles Intl Airport to San Sebastian flights

Cheapest flight

$846
The most popular month to fly with an average 47% increase in travelers.
Round-trip flight from Washington, D.C. Dulles Intl Airport to San Sebastian

When to book flights from Dulles Intl to San Sebastian

Are your dates flexible? Find out the best times to travel from Dulles Intl to San Sebastian based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Washington, D.C. Dulles Intl Airport to San Sebastian flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Washington, D.C. Dulles Intl Airport to San Sebastian?

    Two cabin classes are available on flights from Washington, D.C. Dulles Intl Airport to San Sebastian:

    • Economy Class
    • Business Class

  • How long is a flight from Washington, D.C. Dulles Intl Airport to San Sebastian?

    A nonstop flight from Washington, D.C. Dulles Intl Airport to San Sebastian takes 00m, covering 3,807 miles.

  • Do I need a passport to fly from Washington, D.C. Dulles Intl Airport to San Sebastian?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Washington, D.C. Dulles Intl Airport to San Sebastian flight?

    Round-trip flights from Washington, D.C. Dulles Intl Airport to San Sebastian range from $1,059 to $1,364, with an average of $1,187 over the past 12 months. Anything below $1,059 counts as a good deal.

  • Have flight prices from Washington, D.C. Dulles Intl Airport to San Sebastian changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $846 to $7,661. That means the highest observed fare was about 9x higher than the lowest one.

  • What car rental options are available at San Sebastián Airport (EAS)?

    San Sebastián Airport (EAS) hosts 5 major car rental companies, with daily rates averaging $54 for economy cars. Top options include:

    • Enterprise Rent-A-Car
    • Hertz
    • Alamo
    • Dollar
    • keddy by Europcar

  • Which airports can I use when flying from Washington, D.C. Dulles Intl Airport to San Sebastian?

    Flights from Washington, D.C. Dulles Intl Airport to San Sebastian usually depart from Washington, D.C. Dulles Intl (IAD) and arrive at San Sebastián (EAS).

  • Which airports do connecting flights from Washington, D.C. Dulles Intl Airport to San Sebastian pass through?

    Most connecting flights from Washington, D.C. Dulles Intl Airport to San Sebastian pass through Madrid Barajas (MAD), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Washington, D.C. Dulles Intl Airport to San Sebastian?

    Yes. Flexible dates can save you up to 49% on flights from Washington, D.C. Dulles Intl Airport to San Sebastian. Friday is the cheapest departure day at $861 round-trip on average, while Tuesday is the most expensive at $1,664, a difference of $803.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What is the time difference between Washington, D.C. Dulles Intl Airport and San Sebastian?

    San Sebastian is 6 hours ahead of Washington, D.C. Dulles Intl Airport (Central European Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in San Sebastian?

    Some of the most popular sights in San Sebastian are Playa de Zurriola, Kursaal Palace San Sebastián and Palacio de Miramar. These are among the most viewed places in San Sebastian on KAYAK.

Your guide to booking Washington, D.C. Dulles Intl Airport to San Sebastian flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Friday departure and avoid flying on Tuesday. On this route, Friday flights average $861, about $803 less than Tuesday fares (48% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Washington, D.C. Dulles Intl Airport to San Sebastian trip for April. Fares historically average $698 round-trip in that month - typically $1,092 less than the most expensive month, which is July (based on the last 12 months).

More options for your flight from Dulles Intl to San Sebastian

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