What airlines fly to Bangkok?

Qatar Airways, Etihad Airways and United 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 41% of people opting to fly with this airline when traveling to Bangkok. Keep in mind that there are 16 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. to Bangkok?

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

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 23h 38m on average. Another popular route from Washington, D.C. to Bangkok is flying from Baltimore to Bangkok Suvarnabhumi Airport, which will take roughly 27h 25m. Keep in mind that layovers or delays could extend your travel time.

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 16 as of March 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.

$430 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 $1,229 to $837. The lowest price recently found on this route was $836.

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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.

3:10 pm - 6:10 pm

IAD

BKK

40h 00m

1 stop

9:40 am - 9:45 am

BKK

IAD

35h 05m

1 stop

$836Etihad Airways

Mon, May 11 - Mon, May 18

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

Fri, Aug 7 - Sun, Aug 30

2:05 pm - 7:00 pm

IAD

BKK

41h 55m

1 stop

9:40 am - 9:45 am

BKK

IAD

35h 05m

1 stop

$838Etihad Airways

Fri, Apr 24 - Mon, May 11

2:05 pm - 7:00 pm

IAD

BKK

41h 55m

1 stop

9:00 pm - 9:45 am

BKK

IAD

23h 45m

1 stop

$840Etihad Airways

Thu, Apr 16 - Thu, May 21

2:05 pm - 6:50 am

IAD

BKK

29h 45m

1 stop

3:55 pm - 9:45 am

BKK

IAD

28h 50m

1 stop

$841Etihad Airways

Thu, Apr 23 - Sat, May 2

2:05 pm - 6:45 am

IAD

BKK

29h 40m

1 stop

9:15 am - 10:25 am

BKK

IAD

36h 10m

1 stop

$844Etihad Airways

Fri, Apr 10 - Thu, Apr 16

5:35 pm - 7:25 am

IAD

BKK

26h 50m

2 stops

12:25 pm - 2:30 pm

BKK

IAD

37h 05m

1 stop

$846Multiple Airlines

Mon, Sep 21 - Mon, Sep 28

9:30 am - 12:20 pm

DCA

BKK

39h 50m

2 stops

3:30 pm - 8:00 pm

BKK

DCA

39h 30m

2 stops

$941Singapore Airlines

Tue, Sep 1 - Mon, Sep 14

9:30 am - 12:20 pm

DCA

BKK

39h 50m

2 stops

3:30 pm - 8:00 pm

BKK

DCA

39h 30m

2 stops

$969Singapore Airlines

Tue, Sep 1 - Mon, Sep 14

6:11 pm - 10:50 am

BWI

BKK

29h 39m

2 stops

4:45 pm - 6:21 am

BKK

BWI

24h 36m

2 stops

$1,086EVA Air

Tue, Sep 15 - Thu, Oct 1

Qatar Airways flights from Washington, D.C. to Bangkok

Our best Qatar Airways deals on Washington, D.C. 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 1

IAD11:05 amWashington, D.C. Dulles Intl

32h 15m

1 stop

BKK6:20 amBangkok Suvarnabhumi

May 6

BKK1:45 amBangkok Suvarnabhumi

25h 20m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$994

Qatar Airways

Apr 2

IAD9:00 pmWashington, D.C. Dulles Intl

22h 20m

1 stop

BKK6:20 amBangkok Suvarnabhumi

May 7

BKK7:40 pmBangkok Suvarnabhumi

24h 00m

1 stop

IAD8:40 amWashington, D.C. Dulles Intl

$1,004

EVA Air flights from Washington, D.C. to Bangkok

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

EVA Air

Sep 15

BWI6:11 pmBaltimore/Washington

29h 39m

2 stops

BKK10:50 amBangkok Suvarnabhumi

Oct 1

BKK4:45 pmBangkok Suvarnabhumi

24h 36m

2 stops

BWI6:21 amBaltimore/Washington

$1,086

EVA Air

May 5

DCA9:59 amWashington, D.C. Reagan-National

37h 26m

2 stops

BKK10:25 amBangkok Suvarnabhumi

May 19

BKK1:35 amBangkok Suvarnabhumi

29h 31m

2 stops

DCA8:06 pmWashington, D.C. Reagan-National

$1,093

EVA Air

May 5

DCA6:59 pmWashington, D.C. Reagan-National

28h 26m

2 stops

BKK10:25 amBangkok Suvarnabhumi

May 19

BKK1:35 amBangkok Suvarnabhumi

29h 31m

2 stops

DCA8:06 pmWashington, D.C. Reagan-National

$1,103

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 5/11

3:10 pm-6:10 pm

1 stop40h 00m

Bangkok Suvarnabhumi

Mon 5/18

9:40 am-9:45 am

1 stop35h 05m

$836

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 8/7

1:20 pm-9:10 pm

1 stop44h 50m

Bangkok Suvarnabhumi

Sun 8/30

10:45 pm-10:50 am

1 stop23h 05m

$837

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 4/24

2:05 pm-7:00 pm

1 stop41h 55m

Bangkok Suvarnabhumi

Mon 5/11

9:40 am-9:45 am

1 stop35h 05m

$838

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 4/16

2:05 pm-7:00 pm

1 stop41h 55m

Bangkok Suvarnabhumi

Thu 5/21

9:00 pm-9:45 am

1 stop23h 45m

$840

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 4/23

2:05 pm-6:50 am

1 stop29h 45m

Bangkok Suvarnabhumi

Sat 5/2

3:55 pm-9:45 am

1 stop28h 50m

$841

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Fri 4/10

2:05 pm-6:45 am

1 stop29h 40m

Bangkok Suvarnabhumi

Thu 4/16

9:15 am-10:25 am

1 stop36h 10m

$844

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 9/21

5:35 pm-7:25 am

2 stops26h 50m

Bangkok Suvarnabhumi

Mon 9/28

12:25 pm-2:30 pm

1 stop37h 05m

$846

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-12:20 pm

2 stops39h 50m

Bangkok Suvarnabhumi

Mon 9/14

3:30 pm-8:00 pm

2 stops39h 30m

$941

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 9/1

9:30 am-12:20 pm

2 stops39h 50m

Bangkok Suvarnabhumi

Mon 9/14

3:30 pm-8:00 pm

2 stops39h 30m

$969

Quickest round-trip

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

Tue 9/15

6:11 pm-10:50 am

2 stops29h 39m

Bangkok Suvarnabhumi

Thu 10/1

4:45 pm-6:21 am

2 stops24h 36m

$1,086

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 April instead. Flights to Bangkok in April, while not as cheap as those in September, still average around $964.

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 $1,090 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 $956 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	21h 40m
Direct flights	None

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

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 21h 40m.
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 16 as of March 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
Air China	PriceFrom $565	Free Cancellation	Rating 7.3 144 reviews	Search Air China flights
AIR PREMIA	PriceFrom $784	Free Cancellation	Rating 8.2 84 reviews	Search AIR PREMIA flights
Etihad Airways	PriceFrom $785	Free Cancellation	Rating 7.3 1,432 reviews	Search Etihad Airways flights
Korean Air	PriceFrom $802	Free Cancellation	Rating 8.4 1,203 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $818	Free Cancellation	Rating 7.4 3,732 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $835	Free Cancellation	Rating 7.4 4,291 reviews	Search Turkish Airlines flights
ANA	PriceFrom $893	Free Cancellation	Rating 8.4 1,161 reviews	Search ANA flights
JetBlue	PriceFrom $900	Free Cancellation	Rating 7.2 2,906 reviews	Search JetBlue flights
Alaska Airlines	PriceFrom $920	Free Cancellation	Rating 7.9 12,144 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $933	Free Cancellation	Rating 7.4 9,530 reviews	Search United Airlines 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

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Cheap flights from Washington, D.C. to Bangkok from $430

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 4/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Qatar Airways flights from Washington, D.C. to Bangkok

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

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

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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?

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

What is the cheapest airline that flies 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

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?

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

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

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