Cheap Flights from Bangkok to Washington D.C.

Compare Bangkok to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

Book the best Washington D.C. fare with no extra fees

Flight deals from Bangkok to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Bangkok to Washington D.C.? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Bangkok to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Washington D.C. flights are currently cheapest in September.

Alternative Bangkok to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Bangkok to Washington D.C.? You could fly into the following airports instead.

Bangkok to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 21,085
Cheapest month to flySeptember

Finding cheap flights from Bangkok to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Bangkok to Washington D.C. is ج.م.‏ 38,615. 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 to Washington D.C.. But we found flights with one or more stops from ج.م.‏ 38,635.
As of August 2025, there are no flights flying from Bangkok to Washington D.C..
The cheapest month to fly from Bangkok to Washington D.C. is usually September.
If you're flying from Bangkok, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 43.6 km away from the centre of Washington D.C.. We've found flights into this airport from ج.م.‏ 38,615.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Washington D.C. on Thursday, 25 September 2025.
No airlines currently offer direct flights between Bangkok and Washington D.C.. 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 D.C. 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.
In August, the average temperature is usually around 25°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
The cheapest airline that flies to Washington D.C. is Philippine Airlines .

Flying from Bangkok to Washington DC: what you need to know

  • Begin planning your holiday by considering where you'll take off for your flight from Bangkok to Washington DC. Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) are Bangkok's main airports.

  • Get off the plane at one of Washington DC's major entry points like Ronald Reagan National Airport (DCA). You can also come in for landing at Washington Dulles International Airport (IAD) or Baltimore/Wash International Thurgood Marshall Airport (BWI).

  • The timezone in Washington DC is UTC-4, which is 11 hours behind Bangkok.

  • To ensure you board your Bangkok to Washington DC flight, leave plenty of time to navigate the airport and find your gate. Turning up two hours ahead of international departures and one hour before domestic flights is a good rule of thumb.

  • Flying over a peak time like July? School holidays and other popular periods can mean longer lines and delays at check-in and security. Be extra cautious and get there up to four hours before an international flight and two hours before a domestic departure.

How to find the cheapest flights from Bangkok to Washington DC

  • Booking ahead of time is often the key to finding a cheap Bangkok to Washington DC flight. Prices tend to rise as demand increases, so the nearer your departure date, the more you'll likely spend.

  • The 'Whole month' search tool shows you the cheapest plane tickets from Bangkok to Washington DC throughout the entire month. It's a good way to find a bargain if your dates are flexible.

  • Locking in a cheap flight from Bangkok to Washington DC is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when a better deal is available.

  • Find an affordable Bangkok to Washington DC flight with the help of our filters. Select your preferred duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Flying from Bangkok

Suvarnabhumi Airport (BKK)

  • We make it a cinch to book a Bangkok to Washington DC flight with a stopover. To see your options leaving from Suvarnabhumi Airport, uncheck 'Direct flights only.' Next, choose a flight that has a stop long enough to explore your chosen city. Top stopovers include:

    • Frankfurt Airport (FRA)

    • London Heathrow Airport (LHR)

    • Incheon International Airport (ICN)

  • Located around 27 kilometres from the centre of Bangkok, BKK can be reached in about 35 minutes by car (depending on traffic). The journey by public transport is roughly 1 hour 5 minutes.

  • Need a convenient hotel close to Suvarnabhumi Airport? If you've booked an early flight from Bangkok to Washington DC, these stays will have you sleeping moments from check-in:

  • 67.87% of flights that depart Suvarnabhumi Airport arrive at their destination on schedule.

Don Mueang International Airport (DMK)

  • You can reach DMK from the centre of Bangkok in about 30 minutes by car, depending on traffic conditions. The journey on public transport will take roughly 1 hour 5 minutes to cover the 21 kilometres or so.

  • Start your holiday early with an extra night away from home. Before catching your flight from Bangkok to Washington DC, kick back in one of these hotels near Don Mueang International Airport:

  • 66.48% of all departures from Don Mueang International Airport arrive within the expected time frame.

Arriving in Washington DC

Ronald Reagan National Airport (DCA)

Washington Dulles International Airport (IAD)

  • The centre of Washington DC is about 40 kilometres from Washington Dulles International Airport (IAD). As soon as your flight from Bangkok to Washington DC has hit the runway and you've made your way out of the airport, the drive should take about 50 minutes.

  • If you're catching public transport, it'll take around 1 hour 10 minutes.

  • You'll find some comfortable places ready to welcome you near IAD. Kick back after your Bangkok to Washington DC flight at any of these well-located options:

  • Forget about inconvenient public transport timetables or long cab lines. Pick up a Washington Dulles International Airport rental car and blaze your own trail. Check out the rates and availability from Dollar, Thrifty and Sixt.

  • Get first dibs on the best options. Booking your ride from IAD one week ahead of time often means more savings and a greater selection of vehicles.

  • Washington Dulles International Airport is located at 1 Saarinen Circle.

Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • Hop off your flight from Bangkok to Washington DC and go directly to your hotel or start sightseeing right away. Central Washington DC is around 40 kilometres from Baltimore/Wash International Thurgood Marshall Airport (BWI) and typically takes 50 minutes to reach driving.

  • The journey will take about 1 hour 30 minutes when travelling by public transport.

  • Find a hotel close to BWI and quickly go from touchdown to tucked into your bed. Whether you're catching a late Bangkok to Washington DC flight or just want a hassle-free arrival, these stays bring comfort closer to you:

  • Whether you'd like an economy for a solo trip or an SUV to fit the whole crew comfortably, you'll find the ideal Baltimore/Wash International Thurgood Marshall Airport rental car for you. Browse the types of wheels available here from names such as Dollar, Thrifty and Budget.

  • If you're searching for a specific kind of vehicle, book your ride from BWI about two weeks ahead of your flight from Bangkok to Washington DC. This improves your chances of getting the car you prefer, as well as a better rate.

Best time to go to Washington DC

  • May is the quietest month for flights from Bangkok to Washington DC, while February is the busiest. Figure out the best time to go to Washington DC based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Book a Bangkok to Washington DC ticket departing in July if you want to explore the city during its warmest month. You can expect temperatures in Washington DC to range from 19ºC to 33ºC.

  • Search for cheap flights from Bangkok to Washington DC in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between -6ºC and 10ºC on average.

More about Washington DC

Explore more of United States

  • Washington DC has plenty going for it, but there are so many other parts of United States just waiting to be discovered. Around 322 kilometres north-east of Washington DC, a trip to New York will keep your itinerary packed. Start with popular sights like Statue of Liberty, Central Park and Empire State Building.

  • Philadelphia is another essential stop in United States and is around 193 kilometres north-east of Washington DC. No journey is complete without a visit to Liberty Bell, Independence Hall and Philadelphia Museum of Art.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.