Cheap Flights from Bangkok (BKK) to Washington (IAD)

View AU$879 flight on Thu, 18 June 2026Opens in a new window

Popular airlines from Suvarnabhumi International Airport (BKK) to Washington Dulles International Airport (IAD)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Bangkok (BKK) to Washington (IAD)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Air China
Tue, 17 Nov - Tue, 1 Dec
BKK
Bangkok
IAD
Washington
AU$1,635 Return, found 4 days ago
AU$1,635
Return
found 4 days ago
Select Air China flight, departing Tue, 17 Nov from Bangkok to Washington, returning Tue, 1 Dec, priced at AU$1,635 found 4 days ago
Oman Air
Tue, 17 Nov - Tue, 1 Dec
BKK
Bangkok
IAD
Washington
AU$1,678 Return, found 4 days ago
AU$1,678
Return
found 4 days ago
Select Oman Air flight, departing Tue, 17 Nov from Bangkok to Washington, returning Tue, 1 Dec, priced at AU$1,678 found 4 days ago
United
Tue, 17 Nov - Tue, 1 Dec
BKK
Bangkok
IAD
Washington
AU$1,710 Return, found 4 days ago
AU$1,710
Return
found 4 days ago
Select United flight, departing Tue, 17 Nov from Bangkok to Washington, returning Tue, 1 Dec, priced at AU$1,710 found 4 days ago
Qatar Airways
Sat, 16 May - Sun, 31 May
BKK
Bangkok
IAD
Washington
AU$1,731 Return, found 6 days ago
AU$1,731
Return
found 6 days ago
Select Qatar Airways flight, departing Sat, 16 May from Bangkok to Washington, returning Sun, 31 May, priced at AU$1,731 found 6 days ago
Qatar Airways
Sat, 16 May - Sun, 31 May
BKK
Bangkok
IAD
Washington
AU$1,747 Return, found 6 days ago
AU$1,747
Return
found 6 days ago
Select Qatar Airways flight, departing Sat, 16 May from Bangkok to Washington, returning Sun, 31 May, priced at AU$1,747 found 6 days ago
All Nippon Airways
Tue, 17 Nov - Tue, 1 Dec
BKK
Bangkok
IAD
Washington
AU$1,758 Return, found 4 days ago
AU$1,758
Return
found 4 days ago
Select All Nippon Airways flight, departing Tue, 17 Nov from Bangkok to Washington, returning Tue, 1 Dec, priced at AU$1,758 found 4 days ago
Korean Air
Fri, 20 Nov - Mon, 23 Nov
BKK
Bangkok
IAD
Washington
AU$1,829 Return, found 1 day ago
AU$1,829
Return
found 1 day ago
Select Korean Air flight, departing Fri, 20 Nov from Bangkok to Washington, returning Mon, 23 Nov, priced at AU$1,829 found 1 day ago
Turkish Airlines
Sat, 16 May - Sat, 23 May
BKK
Bangkok
IAD
Washington
AU$1,933 Return, found 1 day ago
AU$1,933
Return
found 1 day ago
Select Turkish Airlines flight, departing Sat, 16 May from Bangkok to Washington, returning Sat, 23 May, priced at AU$1,933 found 1 day ago
Delta
Fri, 20 Nov - Mon, 23 Nov
BKK
Bangkok
IAD
Washington
AU$1,973 Return, found 1 day ago
AU$1,973
Return
found 1 day ago
Select Delta flight, departing Fri, 20 Nov from Bangkok to Washington, returning Mon, 23 Nov, priced at AU$1,973 found 1 day ago
EVA Airways
Fri, 20 Nov - Mon, 23 Nov
BKK
Bangkok
IAD
Washington
AU$2,012 Return, found 1 day ago
AU$2,012
Return
found 1 day ago
Select EVA Airways flight, departing Fri, 20 Nov from Bangkok to Washington, returning Mon, 23 Nov, priced at AU$2,012 found 1 day ago

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city centre is 8 minutes. Flights from AU$3,424
DCA
Ronald Reagan Washington National
Closest
Average driving time to city centre8 min
Flights from AU$3,424

Frequently asked questions

How much does a flight from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
One-way flights typically cost between $1,081 and $2,982 and return flights often range between $1,081 and $2,982. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
How do I find cheap flights from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 106 connecting flights per day from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Some common connection points include Incheon Intl. (ICN), Hong Kong Intl. (HKG), and Taoyuan Intl. (TPE).
What is the earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs at approximately 12:05 AM local time, operated by airlines such as TG and SN. This is a seasonal service active in April, May, and June. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Monday, with around 70 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include QR, EK, and KE. Compared to other days, Mondays offer notably more flight options.
What are the most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the late evening, from 9pm to midnight. This accounts for around 29% of total traffic. Heaps of major carriers, including Korean Air, ANA and Emirates, offer flights during this window. These times work well because you can make the most of your time in Bangkok before your evening flight, and you'll arrive in Washington, DC in the morning ready to explore.
How long does it take to fly from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Flights from BKK to IAD with one stop typically take around 23 hours 50 minutes, covering approximately 8,798 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Select the "Business class" and "First class" filters when looking for BKK to IAD flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Suvarnabhumi Intl. (BKK)?
When traveling from Suvarnabhumi Intl. (BKK) to Washington, you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Narita Intl. (NRT), Dubai Intl. (DXB), Vienna Intl. (VIE) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Bangkok (BKK-Suvarnabhumi Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Air France, All Nippon Airways, American Airlines, Austrian Airlines, Delta, EVA Airways, Emirates, Ethiopian Airlines, Etihad Airways, KLM, Korean Air, Lufthansa, Qatar Airways, Saudia, Swiss International Air Lines, Turkish Airlines, United
Return price
AU$1,635
Distance
14075 km

Book with confidence

Your quick guide to flights from Bangkok to Washington

Pick up great flights from Bangkok to Washington

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Bangkok to Washington. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Bangkok to Washington that take around hours.

Find cheap flights from Bangkok to Washington

From the great flight deals with prices currently ranging from AU$1,635 to AU$2,012, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Bangkok to Washington around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Washington is normally in November.

Reasons to book your flight from Bangkok to Washington with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Bangkok to Washington across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Washington right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Bangkok to Washington

Explore a world of travel with Expedia

*Available to Expedia members.