Cheap Flights from Bangkok to Washington D.C. from US$596

Frequently Asked Questions

• What are the cheapest flights from Bangkok to Washington D.C. (BKK-WAS)?

  Based on Trip.com data, Saudia offers one-way fares as low as US$596 on Cheapest nonstop routes (e.g. BKK to IAD on Sun, Sep 6), while Saudia offers Cheapest nonstop round-trips from US$802 departing on Tue, Sep 1 and returning on Sun, Sep 6.

• Which airlines offer direct flights from Bangkok to Washington D.C.?

  At the moment, you can catch a nonstop flight from Bangkok to Washington D.C. with the following airlines, including: Thai Vietjet Air Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• When is the best time to book flights from Bangkok to Washington D.C.?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok 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.

• How can I find the best deals on flights from Bangkok to Washington D.C.?

  To find best deals on flights from Bangkok 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 Sun, Sep 6, with one-way flights priced at just US$596.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Saudia.
  · 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.

• When are flight tickets from Bangkok (BKK) to Washington D.C. (WAS) the cheapest?

  The cheapest months to fly from Bangkok to Washington D.C. is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Bangkok to Washington D.C. on?

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Bangkok to Washington D.C. on July 14, 2026 with Saudia, with prices starting at US$584.

• Which airports can I fly to for Washington D.C. from Bangkok?

  You can land at any one of the following hubs in Washington D.C., with Suvarnabhumi Airport to Dulles International Airport (BKK-IAD) is by far the most common option on this route: Ronald Reagan Washington National Airport (DCA) Dulles International Airport (IAD).

• Is there any time difference between Bangkok and Washington D.C.?

  The time difference between Washington D.C. and Bangkok is 12h.

• How do I change or cancel my ticket from Bangkok to Washington D.C.?

  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.