What airlines fly to Bangkok?

Qatar Airways, Etihad Airways and Turkish Airlines are the top three most popular airlines that fly to Bangkok from Washington, D.C. Dulles Intl Airport according to our data. Qatar Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 15 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Bangkok?

Etihad Airways, Cathay Pacific, and United Airlines are the most popular carriers operating from Washington, D.C. Dulles Intl to Bangkok

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Bangkok?

As of April 2026, there are 15 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Bangkok.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Bangkok?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Bangkok.

What documentation or ID do you need to fly to Bangkok?

The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$432 Cheap Flights from Washington, D.C. Dulles Intl Airport to Bangkok in 2026

Q: What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Bangkok?

Prices are currently low for flights on this route. Typical prices usually range from $1,249 to $948. The lowest price recently found on this route was $835.

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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Bangkok

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

9:00 pm - 9:45 am

BKK

IAD

23h 45m

1 stop

$835Etihad Airways

Sun, May 10 - Mon, Jun 1

1:20 pm - 9:10 pm

IAD

BKK

44h 50m

1 stop

10:45 pm - 10:50 am

BKK

IAD

23h 05m

1 stop

$837AIR PREMIA

Sun, Aug 9 - Tue, Aug 25

2:05 pm - 6:45 am

IAD

BKK

29h 40m

1 stop

9:00 pm - 9:45 am

BKK

IAD

23h 45m

1 stop

$840Etihad Airways

Sun, Apr 19 - Sun, May 10

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

9:00 pm - 9:45 am

BKK

IAD

23h 45m

1 stop

$847Etihad Airways

Sun, May 3 - Mon, May 11

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

9:15 am - 9:45 am

BKK

IAD

35h 30m

1 stop

$851Etihad Airways

Sun, May 3 - Wed, Jun 3

3:10 pm - 6:10 pm

IAD

BKK

40h 00m

1 stop

8:30 am - 9:05 am

BKK

IAD

36h 35m

1 stop

$855Etihad Airways

Mon, Aug 24 - Thu, Nov 26

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

9:00 pm - 9:45 am

BKK

IAD

23h 45m

1 stop

$858Etihad Airways

Wed, May 13 - Wed, May 27

2:05 pm - 6:45 am

IAD

BKK

29h 40m

1 stop

3:55 pm - 9:45 am

BKK

IAD

28h 50m

1 stop

$859Etihad Airways

Sun, Apr 26 - Wed, May 13

3:10 pm - 6:10 pm

IAD

BKK

40h 00m

1 stop

3:15 am - 9:45 am

BKK

IAD

41h 30m

1 stop

$860Etihad Airways

Wed, May 13 - Sun, May 31

3:10 pm - 4:40 am

IAD

DMK

26h 30m

2 stops

8:25 pm - 6:10 pm

DMK

IAD

32h 45m

2 stops

$1,159Multiple Airlines

Mon, May 4 - Mon, May 11

Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Bangkok

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Bangkok flight tickets

Qatar Airways

Apr 9

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

BKK12:20 pmBangkok Suvarnabhumi

Apr 22

BKK2:05 amBangkok Suvarnabhumi

25h 00m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$991

Qatar Airways

Apr 9

IAD9:00 pmWashington, D.C. Dulles Intl

28h 20m

1 stop

BKK12:20 pmBangkok Suvarnabhumi

Apr 16

BKK2:30 amBangkok Suvarnabhumi

26h 40m

1 stop

IAD6:10 pmWashington, D.C. Dulles Intl

$1,006

Qatar Airways

Apr 9

IAD9:00 pmWashington, D.C. Dulles Intl

22h 20m

1 stop

BKK6:20 amBangkok Suvarnabhumi

Apr 16

BKK1:00 amBangkok Suvarnabhumi

28h 10m

1 stop

IAD6:10 pmWashington, D.C. Dulles Intl

$1,014

Etihad Airways flights from Washington, D.C. Dulles Intl Airport to Bangkok

Our best Etihad Airways deals on Washington, D.C. Dulles Intl Airport to Bangkok flight tickets

Etihad Airways

May 10

IAD3:10 pmWashington, D.C. Dulles Intl

21h 40m

1 stop

BKK11:50 pmBangkok Suvarnabhumi

Jun 1

BKK9:00 pmBangkok Suvarnabhumi

23h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$835

Etihad Airways

Apr 19

IAD2:05 pmWashington, D.C. Dulles Intl

29h 40m

1 stop

BKK6:45 amBangkok Suvarnabhumi

May 10

BKK9:00 pmBangkok Suvarnabhumi

23h 45m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$840

Etihad Airways

Apr 30

IAD2:05 pmWashington, D.C. Dulles Intl

29h 25m

1 stop

BKK6:30 amBangkok Suvarnabhumi

May 16

BKK9:40 amBangkok Suvarnabhumi

35h 05m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$844

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Bangkok that are best for you.

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Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 5/10

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Mon 6/1

9:00 pm-9:45 am

1 stop23h 45m

$835

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 8/9

1:20 pm-9:10 pm

1 stop44h 50m

Bangkok Suvarnabhumi

Tue 8/25

10:45 pm-10:50 am

1 stop23h 05m

$837

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 4/19

2:05 pm-6:45 am

1 stop29h 40m

Bangkok Suvarnabhumi

Sun 5/10

9:00 pm-9:45 am

1 stop23h 45m

$840

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 5/3

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Mon 5/11

9:00 pm-9:45 am

1 stop23h 45m

$847

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 5/3

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Wed 6/3

9:15 am-9:45 am

1 stop35h 30m

$851

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 8/24

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

Thu 11/26

8:30 am-9:05 am

1 stop36h 35m

$855

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 5/13

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Wed 5/27

9:00 pm-9:45 am

1 stop23h 45m

$858

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Sun 4/26

2:05 pm-6:45 am

1 stop29h 40m

Bangkok Suvarnabhumi

Wed 5/13

3:55 pm-9:45 am

1 stop28h 50m

$859

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 5/13

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

Sun 5/31

3:15 am-9:45 am

1 stop41h 30m

$860

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-4:40 am

2 stops26h 30m

Bangkok Don Mueang Intl

Mon 5/11

8:25 pm-6:10 pm

2 stops32h 45m

$1,159

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Bangkok

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Bangkok?

What is the cheapest month to fly to Bangkok?

If you aren’t able to travel during the month of October, then book flights to Bangkok from Washington, D.C. Dulles Intl Airport during February instead. Flights to Bangkok in February, while not as cheap as those in October, still average around $987.

How far in advance should I book a flight to Bangkok?

You are more likely to see cheaper flights to Bangkok from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,086 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok from Washington, D.C. Dulles Intl Airport for as low as $969 on momondo.

Cheap Washington, D.C. Dulles Intl Airport to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Bangkok

Fastest flight time	21h 40m
Direct flights	None

The fastest flight from Washington, D.C. Dulles Intl Airport to Bangkok takes 21h 40m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Bangkok. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Bangkok.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Bangkok

How far is Washington, D.C. Dulles Intl to Bangkok by plane?
There are 8786.6 mi between Washington, D.C. Dulles Intl and Bangkok. A reasonable flight in good conditions will take 21h 40m.
When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Bangkok?
Prices for flights from Washington, D.C. Dulles Intl Airport to Bangkok are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Bangkok?
As of April 2026, there are 15 operators available to choose from for flights from Washington, D.C. Dulles Intl Airport to Bangkok.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Bangkok?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The required travel and health documents for your Bangkok trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Bangkok. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Bangkok

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Bangkok with momondo

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom $565	Free Cancellation	Rating 7.3 146 reviews	Search Air China flights
AIR PREMIA	PriceFrom $784	Free Cancellation	Rating 8.2 85 reviews	Search AIR PREMIA flights
Etihad Airways	PriceFrom $785	Free Cancellation	Rating 7.3 1,428 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $823	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
Korean Air	PriceFrom $834	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
Turkish Airlines	PriceFrom $835	Free Cancellation	Rating 7.3 4,295 reviews	Search Turkish Airlines flights
ANA	PriceFrom $896	Free Cancellation	Rating 8.4 1,163 reviews	Search ANA flights
JetBlue	PriceFrom $900	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $920	Free Cancellation	Rating 7.9 12,163 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $933	Free Cancellation	Rating 7.4 9,542 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Bangkok?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Bangkok for you.

Can I find flights from Washington, D.C. to Bangkok with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Bangkok flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Bangkok?

momondo helps you find the best flight between Washington, D.C. and Bangkok by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Bangkok right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Bangkok, momondo offers a useful price alert feature which will track prices for flights to Bangkok from Washington, D.C. and alert you when they change.

An easier way to manage your Bangkok trip

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Cheap flights from Washington, D.C. Dulles Intl Airport to Bangkok from $432

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Qatar Airways flights from Washington, D.C. Dulles Intl Airport to Bangkok

Our best Qatar Airways deals on Washington, D.C. Dulles Intl Airport to Bangkok flight tickets

Etihad Airways flights from Washington, D.C. Dulles Intl Airport to Bangkok

Our best Etihad Airways deals on Washington, D.C. Dulles Intl Airport to Bangkok flight tickets

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See travel insights to Bangkok from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Bangkok

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Bangkok?

What is the cheapest month to fly to Bangkok?

How far in advance should I book a flight to Bangkok?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Bangkok?

What airlines fly to Bangkok?

Cheap Washington, D.C. Dulles Intl Airport to Bangkok flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Bangkok

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Bangkok

Best airlines flying from Washington, D.C. Dulles Intl Airport to Bangkok

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Bangkok with momondo

Why use momondo?

An easier way to manage your Bangkok trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Thailand

Fly into one of these airports located in Bangkok

Airports listed have a maximum distance of 15.4 mi from Bangkok

Fly your favorite airline to Bangkok

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