Search cheap flights from San Sebastian to Washington D.C. in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at MYR 1,983, and round-trip tickets start at MYR 5,722.

Displayed flight fares from San Sebastian to Washington D.C. are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

San Sebastian to Washington D.C. Flight Details

The distance between San Sebastian and Washington D.C. is about 6,103.6 km. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is September.

Cheapest one-way flight priceMYR 1,983
Cheapest return ticket priceMYR 5,722
Cheapest monthSeptember
Peak season for travelJuly
Flight distance6,103.6 km

When is the cheapest time to book flights from San Sebastian to Washington D.C.?

The cheapest time to fly from San Sebastian to Washington D.C.: Jan 18 to Jan 25 — one-way prices start at MYR 1,518.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from San Sebastian to Washington D.C. (EAS-WAS)?

    Based on Trip.com data, IBERIA offers one-way fares as low as MYR 1,983 on Cheapest nonstop routes (e.g. EAS to IAD on Sat, Dec 27), while American Airlines offers Cheapest nonstop round-trips from MYR 5,722 departing on Wed, Dec 17 and returning on Sun, Dec 21.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Sebastian to Washington D.C. is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from San Sebastian to Washington D.C., you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Dec 27, with one-way flights priced at just MYR 1,983.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is IBERIA.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Washington D.C. travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Sebastian to Washington D.C. is September, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from San Sebastian to Washington D.C. on December 17, 2025 with American Airlines, with prices starting at MYR 5,721.
  • The time difference between Washington D.C. and San Sebastian is 6h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.