What airlines fly to Bangkok?

Qatar Airways, Etihad Airways and ANA 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 39% 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?

Qatar Airways, JetBlue, and Emirates 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 May 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.

$497 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 $1,476 to $908. The lowest price recently found on this route was $906.

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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

$906Etihad Airways

Thu, Sep 24 - Wed, Oct 7

3:10 pm - 11:50 pm

IAD

BKK

21h 40m

1 stop

2:40 pm - 10:05 am

BKK

IAD

30h 25m

1 stop

$921Etihad Airways

Tue, Oct 13 - Tue, Oct 27

3:10 pm - 6:15 am

IAD

BKK

28h 05m

1 stop

9:15 am - 9:45 am

BKK

IAD

35h 30m

1 stop

$923Etihad Airways

Tue, Sep 8 - Mon, Sep 21

3:10 pm - 6:15 am

IAD

BKK

28h 05m

1 stop

3:05 pm - 9:45 am

BKK

IAD

29h 40m

1 stop

$925Etihad Airways

Mon, Sep 7 - Thu, Oct 8

3:10 pm - 6:45 am

IAD

BKK

28h 35m

1 stop

5:40 pm - 10:05 am

BKK

IAD

51h 25m

2 stops

$926Etihad Airways

Tue, Oct 13 - Tue, Oct 27

3:10 pm - 6:10 pm

IAD

BKK

40h 00m

1 stop

3:15 am - 9:45 am

BKK

IAD

41h 30m

1 stop

$927Etihad Airways

Mon, Sep 7 - Tue, Oct 6

10:55 am - 8:45 pm

IAD

DMK

22h 50m

1 stop

11:50 pm - 8:40 am

DMK

IAD

43h 50m

1 stop

$1,176Emirates

Tue, Oct 13 - Wed, Oct 21

10:55 am - 11:10 am

IAD

DMK

37h 15m

1 stop

10:55 pm - 9:00 am

DMK

IAD

45h 05m

1 stop

$1,177Emirates

Tue, Oct 6 - Wed, Oct 28

10:55 am - 11:25 am

IAD

DMK

37h 30m

1 stop

11:50 pm - 8:40 am

DMK

IAD

43h 50m

1 stop

$1,192Emirates

Mon, Aug 24 - Mon, Aug 31

9:00 pm - 11:05 am

IAD

DMK

27h 05m

2 stops

1:45 pm - 3:40 pm

DMK

IAD

60h 55m

2 stops

$1,320Multiple Airlines

Sat, Sep 19 - Sun, Oct 11

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

Aug 11

IAD3:10 pmWashington, D.C. Dulles Intl

21h 40m

1 stop

BKK11:50 pmBangkok Suvarnabhumi

Nov 4

BKK8:30 amBangkok Suvarnabhumi

36h 35m

1 stop

IAD9:05 amWashington, D.C. Dulles Intl

$933

Etihad Airways

Aug 11

IAD3:10 pmWashington, D.C. Dulles Intl

28h 35m

1 stop

BKK6:45 amBangkok Suvarnabhumi

Nov 4

BKK5:40 pmBangkok Suvarnabhumi

51h 25m

2 stops

IAD9:05 amWashington, D.C. Dulles Intl

$957

Etihad Airways

Aug 15

IAD3:10 pmWashington, D.C. Dulles Intl

21h 40m

1 stop

BKK11:50 pmBangkok Suvarnabhumi

Sep 14

BKK3:15 amBangkok Suvarnabhumi

41h 30m

1 stop

IAD9:45 amWashington, D.C. Dulles Intl

$975

Air Canada flights from Washington, D.C. Dulles Intl Airport to Bangkok

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

Air Canada

Aug 10

IAD3:45 pmWashington, D.C. Dulles Intl

26h 20m

2 stops

BKK5:05 amBangkok Suvarnabhumi

Dec 10

BKK8:15 amBangkok Suvarnabhumi

24h 08m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$1,129

Air Canada

Aug 10

IAD3:45 pmWashington, D.C. Dulles Intl

26h 20m

2 stops

BKK5:05 amBangkok Suvarnabhumi

Dec 10

BKK8:15 amBangkok Suvarnabhumi

24h 08m

2 stops

IAD8:23 pmWashington, D.C. Dulles Intl

$1,130

Air Canada

Aug 17

IAD8:15 amWashington, D.C. Dulles Intl

33h 50m

2 stops

BKK5:05 amBangkok Suvarnabhumi

Sep 8

BKK7:45 amBangkok Suvarnabhumi

38h 28m

2 stops

IAD11:13 amWashington, D.C. Dulles Intl

$1,179

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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 9/24

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Wed 10/7

9:00 pm-9:45 am

1 stop23h 45m

$906

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 10/13

3:10 pm-11:50 pm

1 stop21h 40m

Bangkok Suvarnabhumi

Tue 10/27

2:40 pm-10:05 am

1 stop30h 25m

$921

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 9/8

3:10 pm-6:15 am

1 stop28h 05m

Bangkok Suvarnabhumi

Mon 9/21

9:15 am-9:45 am

1 stop35h 30m

$923

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 9/7

3:10 pm-6:15 am

1 stop28h 05m

Bangkok Suvarnabhumi

Thu 10/8

3:05 pm-9:45 am

1 stop29h 40m

$925

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 10/13

3:10 pm-6:45 am

1 stop28h 35m

Bangkok Suvarnabhumi

Tue 10/27

5:40 pm-10:05 am

2 stops51h 25m

$926

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 9/7

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

Tue 10/6

3:15 am-9:45 am

1 stop41h 30m

$927

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Tue 10/13

10:55 am-8:45 pm

1 stop22h 50m

Bangkok Don Mueang Intl

Wed 10/21

11:50 pm-8:40 am

1 stop43h 50m

$1,176

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Tue 10/6

10:55 am-11:10 am

1 stop37h 15m

Bangkok Don Mueang Intl

Wed 10/28

10:55 pm-9:00 am

1 stop45h 05m

$1,177

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Mon 8/24

10:55 am-11:25 am

1 stop37h 30m

Bangkok Don Mueang Intl

Mon 8/31

11:50 pm-8:40 am

1 stop43h 50m

$1,192

Washington, D.C.Bangkok

IAD - DMK

IADDMK

Washington, D.C. Dulles Intl

Sat 9/19

9:00 pm-11:05 am

2 stops27h 05m

Bangkok Don Mueang Intl

Sun 10/11

1:45 pm-3:40 pm

2 stops60h 55m

$1,320

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 September, then book flights to Bangkok from Washington, D.C. Dulles Intl Airport during April instead. Flights to Bangkok in April, while not as cheap as those in September, still average around $730.

How far in advance should I book a flight from Washington, D.C. Dulles Intl Airport 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 $1,080 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 $963 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 May 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 $732	Free Cancellation	Rating 7.3 151 reviews	Search Air China flights
AIR PREMIA	PriceFrom $784	Free Cancellation	Rating 8.0 93 reviews	Search AIR PREMIA flights
Etihad Airways	PriceFrom $785	Free Cancellation	Rating 7.3 1,442 reviews	Search Etihad Airways flights
Qatar Airways	PriceFrom $815	Free Cancellation	Rating 7.4 3,730 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $833	Free Cancellation	Rating 7.4 4,390 reviews	Search Turkish Airlines flights
Korean Air	PriceFrom $834	Free Cancellation	Rating 8.4 1,217 reviews	Search Korean Air flights
ANA	PriceFrom $896	Free Cancellation	Rating 8.3 1,212 reviews	Search ANA flights
JetBlue	PriceFrom $900	Free Cancellation	Rating 7.2 2,980 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $920	Free Cancellation	Rating 7.9 12,398 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $933	Free Cancellation	Rating 7.4 9,752 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

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.

Start using Trips

Find my bookings

Get notified when prices go down

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

1 adult

Sun 6/21

Sun 6/28

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Thailand

Nearby airports

Airlines

Other Thailand destinations

Other flights from Washington, D.C. Dulles Intl Airport

Complete your trip

Feeling lucky

Fly into one of these airports located in Bangkok

Bangkok Suvarnabhumi Airport

Bangkok Don Mueang Intl Airport

Cheap flights from Washington, D.C. Dulles Intl Airport to Bangkok from $483

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

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

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

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

Air Canada flights from Washington, D.C. Dulles Intl Airport to Bangkok

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

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.

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 from Washington, D.C. Dulles Intl Airport 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

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Popular cities in Thailand

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Washington, D.C. Dulles Intl Airport

According to popular flight searches on momondo this year

Complete your trip to Bangkok

Explore popular destinations other users love

According to popular flight searches on momondo this year