C$675 Cheap Flights from Bangkok Suvarnabhumi (BKK) to Washington Dulles (IAD)

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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 C$1,588. Find the lowest prices on one-way and return tickets right here.

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 June.

Bangkok to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight foundC$675
Cheapest month to flyJune

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 C$1,283. 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 C$1,284.
As of May 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 July.
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 Thursday, July 9, 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, Saudia offers the cheapest flight tickets to Washington Dulles.

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

  • Popular months like July or high seasons such as Christmas and New Year will mean longer waits at check-in and security. Be on the safe side and get to the airport even earlier. Arriving two hours before a domestic flight and up four hours ahead of an international flight is a smart idea.

  • If you'd like to have a stopover for your flight from Suvarnabhumi Airport to Washington Dulles International Airport, just deselect 'Direct flights only' and look at all your options. Here are the top stopovers between BKK and IAD:

    • Hamad International Airport

    • Haneda Airport

    • Incheon International Airport

  • Before organizing your cheap ticket from BKK to IAD, check whether you need a visa to enter United States. Visa and travel document requirements may vary and are updated often. For the most up-to-date information, contact the nearest consulate or embassy of the country you're going to.

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

  • The best price we've found for a one-way ticket from Suvarnabhumi Airport to Washington Dulles International Airport is C$675. The cheapest price for a return flight is C$1,284. Keep in mind that fares could change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap flight tickets from BKK to IAD if you book ahead. Airlines often have some amazing early bird discounts.

  • The 'Whole month' search function shows you the cheapest flight tickets from Suvarnabhumi Airport to Washington Dulles International Airport across the month. It's a great way to find a bargain if your travel dates are flexible.

  • Snapping up a cheap ticket from BKK to IAD is easy with Price Alerts. All you need to do is create one of these automatic alerts and we'll notify you as soon as there's a better deal.

  • Take advantage of filters to find the ideal journey for you. To see the 'Cheapest,' 'Best' or 'Fastest' flights from Suvarnabhumi Airport to Washington Dulles International Airport, use the 'Sort by' function. You can also filter by airline, departure and arrival times, and journey duration.

Handy information about Suvarnabhumi Airport (BKK)

  • Located around 32 kilometres from central Bangkok, Suvarnabhumi Airport can be reached in approximately 35 minutes by car (depending on traffic). The same journey on public transport takes roughly 1 hour and 6 minutes.

  • Need a handy hotel near BKK? If you're catching an early flight from Suvarnabhumi Airport to Washington Dulles International Airport, these stays will put you moments from your check-in counter:

Arriving at Washington Dulles International Airport (IAD)

Getting from Washington Dulles International Airport (IAD) to central Washington DC

  • From Washington Dulles International Airport, Washington DC is approximately 56 kilometres away. It takes around 51 minutes to reach the center driving.

  • If you're traveling on public transport, expect a journey time of roughly 3 hours and 26 minutes.

When to fly to Washington Dulles International Airport (IAD)

  • The quietest month for a flight from Suvarnabhumi Airport to Washington Dulles International Airport is February, while July is the most popular. Choose the ideal time to go to Washington DC based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Washington DC is July, with the temperature ranging between 19ºC and 33ºC. Book your flights from Suvarnabhumi Airport to Washington Dulles International Airport in this month if this is the type of weather you like.

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

More about Washington DC

  • Start your Washington DC trip right by finding a great place to stay. Once you've booked your flight from BKK to IAD, browse our range of accommodation options including:

  • White House Historical Association and The White House are just two of the major attractions to add to your Washington DC itinerary. Keep the sightseeing going at National Mall.

  • Check out your options for arriving at Ronald Reagan National Airport (DCA) or Baltimore/Wash International Thurgood Marshall Airport (BWI). They're alternative international airports that'll get you to and from Washington DC.

Complete your Washington DC trip with hotels and a car rental

  • Once you've secured your cheap ticket to Washington Dulles International Airport, explore the lowest prices and exclusive offers on hotels. You can also compare a range of car rental companies in one place to find the best car rental price for your Washington DC vacation.

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