$707 Cheap British Airways flights San Sebastian (EAS) to Washington (IAD)

View $707 flight on Tue, Feb 24, 2026Opens in a new window

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$707 Cheap British Airways flights San Sebastian (EAS) to Washington (IAD)

Prices were available within the past 7 days and start at $707 for one-way flights and $855 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Oct 8 - Wed, Oct 15
EAS
San Sebastián
IAD
Washington
$855 Roundtrip, found 2 days ago
$855
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from San Sebastián to Washington, returning Wed, Oct 15, priced at $855 found 2 days ago
British Airways
Wed, Oct 8 - Wed, Oct 15
EAS
San Sebastián
IAD
Washington
$856 Roundtrip, found 2 days ago
$856
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from San Sebastián to Washington, returning Wed, Oct 15, priced at $856 found 2 days ago
British Airways
Wed, Oct 8 - Wed, Oct 15
EAS
San Sebastián
IAD
Washington
$864 Roundtrip, found 2 days ago
$864
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from San Sebastián to Washington, returning Wed, Oct 15, priced at $864 found 2 days ago
British Airways
Wed, Oct 8 - Wed, Oct 15
EAS
San Sebastián
IAD
Washington
$864 Roundtrip, found 2 days ago
$864
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from San Sebastián to Washington, returning Wed, Oct 15, priced at $864 found 2 days ago
British Airways
Wed, Oct 8 - Wed, Oct 15
EAS
San Sebastián
IAD
Washington
$873 Roundtrip, found 2 days ago
$873
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from San Sebastián to Washington, returning Wed, Oct 15, priced at $873 found 2 days ago
British Airways
Wed, Oct 8 - Wed, Oct 15
EAS
San Sebastián
IAD
Washington
$926 Roundtrip, found 2 days ago
$926
Roundtrip
found 2 days ago
Select British Airways flight, departing Wed, Oct 8 from San Sebastián to Washington, returning Wed, Oct 15, priced at $926 found 2 days ago
Flights from San Sebastian (EAS) to Washington (IAD)
Origin airport
San Sebastian
Destination airport
Washington Dulles Intl.
Distance
3808 mi

Frequently asked questions

How much is a British Airways flight from San Sebastian Airport (EAS) to Washington Dulles Intl. Airport (IAD)?
Finding cheap one-way British Airways flights from EAS to IAD from $707 on Expedia is simple --- just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $855 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from EAS to IAD with British Airways?
January is one of the cheapest months to jet off to Washington with British Airways. You could also find great prices on return and one-way tickets in February.
What is the cheapest time to book flights from San Sebastian Airport (EAS) to Washington Dulles Intl. Airport (IAD) with British Airways?
Look for British Airways flights from EAS to IAD about one month before you want to go. The cheapest time to reserve an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. Regardless of itinerary or ticket type, the best day to book international airfare is usually Sunday. Friday can be the most expensive. Travelers booking on a Sunday can save 17% on average compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does British Airways fly nonstop from San Sebastian Airport (EAS) to Washington Dulles Intl. Airport (IAD)?
To see if there's a direct route from EAS to IAD with British Airways or another airline, check the "Nonstop" box when searching for tickets.
What is the earliest British Airways flight from EAS to IAD?
Filter your results by "Early Morning" and "Morning" to find the earliest flights from EAS to IAD. Setting off early means you're 20% less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does British Airways fly into in Washington?
Jump on a British Airways flight from San Sebastian Airport (EAS) to Washington, and you'll likely come in to Washington Dulles Intl. Airport (IAD). This is the airline's primary hub in this city.
What kind of luggage can I take on a British Airways flight from San Sebastian Airport (EAS) to Washington Dulles Intl. Airport (IAD)?
British Airways allows you to bring 1 checked-in bag weighing up to 50 lb with dimensions not exceeding 29 inches x 15 inches x 16 inches on standard economy flights from EAS to IAD. You can also take 2 cabin bags with you in the cabin. This hand luggage must not exceed 19 inches x 9 inches x 17 inches and be no heavier than 50 lb. Baggage policies can differ depending on the cabin class and fare type, so check your booking or British Airways's website to avoid extra fees at the airport.
Why fly with British Airways from EAS to IAD?
British Airways makes flying from EAS to IAD more comfortable with an excellent in-flight experience and top-tier customer service. You could even start earning points with British Airways Executive Club. Don't forget to join our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my British Airways flight from San Sebastian Airport (EAS) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can change or cancel your flight, although additional fees may apply if you made your booking over 24 hours ago. Want to keep your options open? Make use of our "No cancel fee" and "Changes included" filters to find flights that won't charge extra if you need to alter your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for more information.

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