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Cheap Flights from Bangkok (BKK) to Washington D.C. (IAD)

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      Travellers and cabin class, 1 Adult, Economy

      Compare Bangkok Suvarnabhumi to Washington Dulles flight deals

      Find the cheapest month or even day of the year to fly to Washington Dulles

      Book the best Washington Dulles fare with no extra fees

      Flight deals from Bangkok Suvarnabhumi to Washington Dulles

      Looking for a cheap last-minute deal or the best return flight from Bangkok Suvarnabhumi Airport to Washington Dulles Airport? If you want to travel next month, return fares start from $1,119. Find the lowest prices on one-way and return tickets right here.
      Washington D.C..$1,102 per passenger.Departing Fri, 25 Sep, returning Sat, 10 Oct.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Fri, 25 Sep, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sat, 10 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,102, select.
      Washington D.C..$1,116 per passenger.Departing Sat, 15 May, returning Tue, 1 Jun.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sat, 15 May, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Tue, 1 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,116, select.
      Washington D.C..$1,116 per passenger.Departing Fri, 6 Nov, returning Fri, 13 Nov.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Fri, 6 Nov, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Fri, 13 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,116, select.
      Washington D.C..$1,116 per passenger.Departing Fri, 13 Nov, returning Fri, 5 Mar.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Fri, 13 Nov, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Fri, 5 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,116, select.
      Washington D.C..$1,116 per passenger.Departing Sun, 4 Apr, returning Sun, 18 Apr.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sun, 4 Apr, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sun, 18 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,116, select.
      Washington D.C..$1,117 per passenger.Departing Wed, 24 Mar, returning Tue, 6 Apr.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Wed, 24 Mar, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Tue, 6 Apr, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,117, select.
      Washington D.C..$1,119 per passenger.Departing Wed, 3 Mar, returning Sat, 13 Mar.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Wed, 3 Mar, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sat, 13 Mar, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,119, select.
      Washington D.C..$1,119 per passenger.Departing Thu, 1 Oct, returning Sat, 17 Oct.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Thu, 1 Oct, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sat, 17 Oct, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,119, select.
      Washington D.C..$1,120 per passenger.Departing Fri, 22 Jan, returning Sat, 5 Jun.Return flight with Saudia.Outbound indirect flight with Saudia, departs from Bangkok Suvarnabhumi on Fri, 22 Jan, arriving in Washington Dulles.Inbound indirect flight with Saudia, departs from Washington Dulles on Sat, 5 Jun, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,120, select.
      Washington D.C..$1,121 per passenger.Departing Sat, 19 Sep, returning Sun, 27 Sep.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sat, 19 Sep, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sun, 27 Sep, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,121, select.
      Washington D.C..$1,121 per passenger.Departing Wed, 20 Jan, returning Wed, 27 Jan.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Wed, 20 Jan, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Wed, 27 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,121, select.
      Washington D.C..$1,121 per passenger.Departing Sat, 12 Dec, returning Sat, 2 Jan.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sat, 12 Dec, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sat, 2 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,121, select.
      Washington D.C..$1,121 per passenger.Departing Sat, 19 Sep, returning Sat, 28 Nov.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sat, 19 Sep, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sat, 28 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,121, select.
      Washington D.C..$1,151 per passenger.Departing Sat, 21 Nov, returning Mon, 4 Jan.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sat, 21 Nov, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Mon, 4 Jan, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,151, select.
      Washington D.C..$1,151 per passenger.Departing Sat, 17 Oct, returning Wed, 18 Nov.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Sat, 17 Oct, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Wed, 18 Nov, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,151, select.
      Washington D.C..$1,152 per passenger.Departing Wed, 19 May, returning Sat, 29 May.Return flight with Thai Airways.Outbound indirect flight with Thai Airways, departs from Bangkok Suvarnabhumi on Wed, 19 May, arriving in Washington Dulles.Inbound indirect flight with Thai Airways, departs from Washington Dulles on Sat, 29 May, arriving in Bangkok Suvarnabhumi.Price includes taxes and charges.From $1,152, select.
      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Bangkok Suvarnabhumi to Washington Dulles found in the last 4 days, and are subject to change and availability.

      Find the cheapest month to fly from Bangkok Suvarnabhumi to Washington Dulles

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok Suvarnabhumi to Washington Dulles flights are currently cheapest in November.
      Sep
      from $1,121
      Oct
      from $1,119
      Nov
      from $1,116
      Dec
      from $1,219
      Jan
      from $1,121
      Feb
      from $1,191
      Mar
      from $1,119
      Apr
      from $1,116
      May
      from $1,152
      Jun
      from $1,302
      Jul
      from $1,261
      Aug
      from $1,221

      Bangkok Suvarnabhumi to Washington Dulles: Alternative routes

      Compare routes from Bangkok Suvarnabhumi to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Washington Dulles.

      Washington Ronald Reagan

      5km from central Washington D.C.
      Closest
      from $1,495
      Search flights

      Washington Dulles

      37km from central Washington D.C.
      Cheapest
      from $1,102
      Search flights

      Baltimore Washington International

      44km from central Washington D.C.
      from $1,540
      Search flights

      Bangkok to Washington D.C.: Flight information

      The things to know before you go.
      Cheapest flight found$1,102
      Cheapest month to flySeptember

      Finding cheap flights from Bangkok Suvarnabhumi to Washington Dulles: Frequently asked questions

      The best price we found for a return flight from Bangkok Suvarnabhumi to Washington Dulles is $1,102. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      Currently, there are no airlines that fly direct from Bangkok Suvarnabhumi to Washington Dulles. But we found flights with one or more stops from $1,102.
      As of September 2026, there are no flights flying from Bangkok Suvarnabhumi to Washington Dulles.
      The cheapest month to fly from Bangkok Suvarnabhumi to Washington Dulles is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Bangkok Suvarnabhumi Airport to Washington Dulles Airport on Friday, 25 September 2026.
      No airlines currently offer direct flights between Bangkok Suvarnabhumi Airport and Washington Dulles Airport. Most routes have one or more stops.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington Dulles but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Thai Airways offers the cheapest flight tickets to Washington Dulles.

      Flying from Bangkok Suvarnabhumi Airport (BKK) to Washington Dulles Airport (IAD): what you need to know

      • The timezone in Washington DC is UTC-5, which is 12 hours behind Bangkok.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your BKK to IAD flight.

      • Travelling during a peak time like January? Major public holidays and other popular seasons can result in longer lines at airport checkpoints. Play things extra safe and get there up to four hours ahead of an international flight and two hours before domestic departures.

      • If you'd like to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Bangkok Suvarnabhumi Airport to Washington Dulles Airport. Here are the most popular stopovers between BKK and IAD:

        • Tokyo Haneda Airport

        • Incheon International Airport

        • Hamad International Airport

      How to find the cheapest flights from Bangkok Suvarnabhumi Airport (BKK) to Washington Dulles Airport (IAD)

      • Right now, $618 is the cheapest price we've found for a one-way Bangkok Suvarnabhumi Airport to Washington Dulles Airport flight. The best price for a return plane ticket is $1,102. Bear in mind that fares could change due to demand at the time of booking.

      • It's usually best to book ahead of time if you're hoping to get cheap tickets from BKK to IAD. That's because airlines change prices based on demand, which tends to rise closer to departure.

      • The 'Whole month' search tool shows you the cheapest flights from Bangkok Suvarnabhumi Airport to Washington Dulles Airport across every month. It's an easy way to snap up a bargain if your plans aren't set in stone.

      • You won't have to check every day to find out if fares have gone down when you set up a Price Alert. We'll update you the moment there's a new deal on cheap flights from BKK to IAD.

      • Tailor your flights using filters. Pick your arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Bangkok Suvarnabhumi Airport to Washington Dulles Airport.

      Handy information about Bangkok Suvarnabhumi Airport (BKK)

      • Of the departures from Bangkok Suvarnabhumi Airport, 74% land on time at their destination.

      • Central Bangkok to Bangkok Suvarnabhumi Airport is around 31 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're ride-sharing, catching a taxi or driving.

      • Catching public transport? Expect a journey time of around 35 minutes.

      • Taking an early flight from Bangkok Suvarnabhumi Airport to Washington Dulles Airport? Avoid the last-minute rush to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to BKK:

      Arriving at Washington Dulles Airport (IAD)

      When to fly to Washington Dulles Airport (IAD)

      • July is the most popular month for flights from Bangkok Suvarnabhumi Airport to Washington Dulles Airport. To escape the crowds, travel to Washington DC in February.

      • When booking your flight from Bangkok Suvarnabhumi Airport to Washington Dulles Airport, think about the kind of weather you like. July is the warmest month in Washington DC, with the temperature ranging from 19ºC (66ºF) to 33ºC (91ºF).

      • Search for cheap tickets from BKK to IAD in January if you like cooler conditions. Temperatures are at their lowest then, ranging between -6ºC (21ºF) and 10ºC (50ºF) on average.

      Explore more of the United States

      • New York is just one of the many cities in the United States waiting to be discovered once you've seen the sights of Washington DC. Around 322 kilometres away to the north-east, popular attractions include Central Park, Statue of Liberty and Metropolitan Museum of Art.

      • If you're eager to discover another side of the United States, consider Philadelphia, roughly 193 kilometres north-east of Washington DC. Independence Hall, Liberty Bell and Philadelphia Museum of Art are key highlights.

      Plan smart, explore more

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      Plan the rest of your trip from Bangkok to Washington D.C.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.