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. according to our data. Qatar Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 17 different airlines that fly to Bangkok on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Bangkok?

Flight times from Washington, D.C. to Bangkok vary, but if you’re flying out of Washington, D.C. and flying into Bangkok Suvarnabhumi Airport (one of the most popular routes), then the duration is 22h 45m on average. Another popular route from Washington, D.C. to Bangkok is flying from Baltimore to Bangkok Suvarnabhumi Airport, which will take roughly 27h 46m. Keep in mind that layovers or delays could extend your travel time.

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

Etihad Airways, IndiGo, and Japan Airlines are the most popular carriers operating from Washington, D.C. to Bangkok

When did momondo last update prices for flights from Washington, D.C. to Bangkok?

Prices for flights from Washington, D.C. to Bangkok are updated daily.

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

The number of operators available for flights from Washington, D.C. to Bangkok is 17 as of January 2026.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Bangkok.

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

The travel and health documents you'll need for your trip to Bangkok may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$385 Cheap Flights from Washington, D.C. to Bangkok in 2026

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

Prices are currently low for flights on this route. Typical prices usually range from $960 to $1,430. The lowest price recently found on this route was $860.

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. to Bangkok

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 7:10 am

IAD

BKK

28h 35m1 stop

5:40 pm - 10:05 am

BKK

IAD

51h 25m2 stops

$860Etihad Airways

Wed, Feb 11 - Wed, Mar 11

2:35 pm - 7:10 am

IAD

BKK

28h 35m1 stop

5:40 pm - 10:05 am

BKK

IAD

51h 25m2 stops

$861Etihad Airways

Mon, Feb 9 - Mon, Mar 9

9:00 pm - 7:15 am

IAD

BKK

23h 15m1 stop

2:05 am - 4:05 pm

BKK

IAD

25h 00m1 stop

$865Qatar Airways

Tue, Apr 7 - Tue, Apr 21

8:20 pm - 8:45 pm

IAD

BKK

37h 25m1 stop

2:05 am - 4:05 pm

BKK

IAD

25h 00m1 stop

$873Qatar Airways

Tue, Apr 14 - Mon, Apr 20

3:30 pm - 4:35 am

DCA

BKK

26h 05m2 stops

9:35 pm - 2:14 pm

BKK

DCA

27h 39m2 stops

$919ANA

Mon, Apr 27 - Wed, May 6

6:00 am - 12:45 am

DCA

BKK

30h 45m2 stops

9:30 pm - 4:29 pm

BKK

DCA

30h 59m2 stops

$928Korean Air

Wed, Jan 28 - Wed, Feb 4

11:55 am - 9:45 am

DCA

BKK

34h 50m3 stops

9:35 am - 3:38 pm

BKK

DCA

41h 03m2 stops

$933United Airlines

Mon, Apr 27 - Tue, May 19

10:10 am - 11:40 pm

DCA

BKK

26h 30m2 stops

9:40 pm - 5:00 pm

BKK

DCA

30h 20m2 stops

$934Korean Air

Tue, Apr 14 - Mon, Apr 20

11:55 am - 9:45 am

DCA

BKK

34h 50m3 stops

7:00 am - 9:31 pm

BKK

DCA

25h 31m2 stops

$936United Airlines

Mon, Apr 27 - Thu, May 14

10:05 am - 5:10 am

BWI

BKK

31h 05m2 stops

2:25 pm - 2:11 pm

BKK

BWI

35h 46m2 stops

$969ANA

Tue, Jan 20 - Tue, Feb 3

Delta flights from Washington, D.C. to Bangkok

Our best Delta deals on Washington, D.C. to Bangkok flight tickets

Delta

Jan 15

DCA8:35 pmWashington, D.C. Reagan-National

36h 55m

2 stops

BKK9:30 pmBangkok Suvarnabhumi

Mar 11

BKK9:30 pmBangkok Suvarnabhumi

30h 05m

2 stops

DCA4:35 pmWashington, D.C. Reagan-National

$929

Find similar

Delta

Jan 20

BWI6:05 amBaltimore/Washington

30h 50m

2 stops

BKK12:55 amBangkok Suvarnabhumi

Mar 11

BKK2:05 amBangkok Suvarnabhumi

32h 54m

2 stops

BWI11:59 pmBaltimore/Washington

$939

Find similar

Delta

Feb 16

DCA6:05 amWashington, D.C. Reagan-National

30h 40m

2 stops

BKK12:45 amBangkok Suvarnabhumi

Mar 11

BKK9:40 amBangkok Suvarnabhumi

24h 59m

2 stops

DCA11:39 pmWashington, D.C. Reagan-National

$954

Find similar

ANA flights from Washington, D.C. to Bangkok

Our best ANA deals on Washington, D.C. to Bangkok flight tickets

ANA

Jan 20

IAD8:20 amWashington, D.C. Dulles Intl

28h 00m

2 stops

BKK12:20 amBangkok Suvarnabhumi

Jan 27

BKK2:25 pmBangkok Suvarnabhumi

30h 45m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

$912

Find similar

ANA

Apr 27

DCA3:30 pmWashington, D.C. Reagan-National

26h 05m

2 stops

BKK4:35 amBangkok Suvarnabhumi

May 6

BKK9:35 pmBangkok Suvarnabhumi

27h 39m

2 stops

DCA2:14 pmWashington, D.C. Reagan-National

$919

Find similar

ANA

Jan 13

IAD12:20 pmWashington, D.C. Dulles Intl

40h 00m

1 stop

BKK4:20 pmBangkok Suvarnabhumi

Jan 26

BKK2:25 pmBangkok Suvarnabhumi

30h 45m

1 stop

IAD9:10 amWashington, D.C. Dulles Intl

$951

Find similar

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Wed 2/11

2:35 pm-7:10 am

1 stop28h 35m

Bangkok Suvarnabhumi

Wed 3/11

5:40 pm-10:05 am

2 stops51h 25m

$860

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 2/9

2:35 pm-7:10 am

1 stop28h 35m

Bangkok Suvarnabhumi

Mon 3/9

5:40 pm-10:05 am

2 stops51h 25m

$861

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 4/7

9:00 pm-7:15 am

1 stop23h 15m

Bangkok Suvarnabhumi

Tue 4/21

2:05 am-4:05 pm

1 stop25h 00m

$865

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Tue 4/14

8:20 pm-8:45 pm

1 stop37h 25m

Bangkok Suvarnabhumi

Mon 4/20

2:05 am-4:05 pm

1 stop25h 00m

$873

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 4/27

3:30 pm-4:35 am

2 stops26h 05m

Bangkok Suvarnabhumi

Wed 5/6

9:35 pm-2:14 pm

2 stops27h 39m

$919

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Wed 1/28

6:00 am-12:45 am

2 stops30h 45m

Bangkok Suvarnabhumi

Wed 2/4

9:30 pm-4:29 pm

2 stops30h 59m

$928

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 4/27

11:55 am-9:45 am

3 stops34h 50m

Bangkok Suvarnabhumi

Tue 5/19

9:35 am-3:38 pm

2 stops41h 03m

$933

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 4/14

10:10 am-11:40 pm

2 stops26h 30m

Bangkok Suvarnabhumi

Mon 4/20

9:40 pm-5:00 pm

2 stops30h 20m

$934

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 4/27

11:55 am-9:45 am

3 stops34h 50m

Bangkok Suvarnabhumi

Thu 5/14

7:00 am-9:31 pm

2 stops25h 31m

$936

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Tue 1/20

10:05 am-5:10 am

2 stops31h 05m

Bangkok Suvarnabhumi

Tue 2/3

2:25 pm-2:11 pm

2 stops35h 46m

$969

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. 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

Other information

What is the typical price of a round-trip flight between Washington, D.C. 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. during October instead. Flights to Bangkok in October, while not as cheap as those in September, still average around $1,025.

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. when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok for around $1,156 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. for as low as $1,052 on momondo.

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

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

Fastest flight time	20h 45m
Direct flights	None

The fastest flight from Washington, D.C. to Bangkok takes 20h 45m

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

Search flight deals

How far is Washington, D.C. to Bangkok by plane?
The straight-line distance from Washington, D.C. to Bangkok is 8788.5 mi. In terms of flight time, this usually takes a little over 20h 45m.
When did momondo last update prices for flights from Washington, D.C. to Bangkok?
Prices for flights from Washington, D.C. to Bangkok are updated daily.
How many operators does momondo search for flights from Washington, D.C. to Bangkok?
The number of operators available for flights from Washington, D.C. to Bangkok is 17 as of January 2026.
How old do you have to be to fly from Washington, D.C. to Bangkok?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. to Bangkok.
What documentation or ID do you need to fly to Bangkok?
The travel and health documents you'll need for your trip to Bangkok may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Bangkok. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Bangkok

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $216	Free Cancellation	Rating 7.4 9,129 reviews	Search United Airlines flights
Air China	PriceFrom $565	Free Cancellation	Rating 7.2 135 reviews	Search Air China flights
Air Canada	PriceFrom $605	Free Cancellation	Rating 7.1 10,571 reviews	Search Air Canada flights
Air India	PriceFrom $702	Free Cancellation	Rating 5.5 2,967 reviews	Search Air India flights
Etihad Airways	PriceFrom $787	Free Cancellation	Rating 7.3 1,348 reviews	Search Etihad Airways flights
Korean Air	PriceFrom $802	Free Cancellation	Rating 8.4 1,184 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $830	Free Cancellation	Rating 7.4 3,700 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $869	Free Cancellation	Rating 7.3 4,137 reviews	Search Turkish Airlines flights
ANA	PriceFrom $896	Free Cancellation	Rating 8.4 1,052 reviews	Search ANA flights
JetBlue	PriceFrom $900	Free Cancellation	Rating 7.2 2,902 reviews	Search JetBlue flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Washington, D.C. to Bangkok. momondo saves you time and could save you money on your trip.

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

All flight searches from Washington, D.C. to Bangkok on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Bangkok flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 not ready to book a flight from Washington, D.C. to Bangkok now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Bangkok and let you know 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

Sat 1/31

Sat 2/7

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

Cheap flights from Washington, D.C. to Bangkok from $385

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Bangkok departing on 3/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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. to Bangkok

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Delta flights from Washington, D.C. to Bangkok

Our best Delta deals on Washington, D.C. to Bangkok flight tickets

ANA flights from Washington, D.C. to Bangkok

Our best ANA deals on Washington, D.C. to Bangkok flight tickets

momondo Fare Finder

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

See travel insights to Bangkok from

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

What is the typical price of a round-trip flight between Washington, D.C. 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. during October instead. Flights to Bangkok in October, while not as cheap as those in September, still average around $1,025.

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

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

Etihad Airways, IndiGo, and Japan Airlines are the most popular carriers operating from Washington, D.C. to Bangkok

What airlines fly to Bangkok?

How long does it take to fly to Bangkok?

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

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

Fastest flight time

Direct flights

How far is Washington, D.C. to Bangkok by plane?

When did momondo last update prices for flights from Washington, D.C. to Bangkok?

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

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

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

Best airlines flying from Washington, D.C. to Bangkok

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

Why use momondo?

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

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

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

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

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