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 53m on average. Another popular route from Washington, D.C. to Bangkok is flying from Baltimore to Bangkok Suvarnabhumi Airport, which will take roughly 26h 35m. 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?

IndiGo and Air India 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.

$395 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 $928 to $1,332. The lowest price recently found on this route was $863.

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2:35 pm - 11:25 pm

IAD

BKK

20h 50m

1 stop

8:05 am - 10:05 am

BKK

IAD

61h 00m

2 stops

$863Etihad Airways

lun., feb. 9 - lun., mar. 9

2:35 pm - 11:25 pm

IAD

BKK

20h 50m

1 stop

10:00 am - 10:05 am

BKK

IAD

59h 05m

2 stops

$864Etihad Airways

lun., feb. 16 - lun., mar. 9

9:00 pm - 1:25 pm

IAD

BKK

29h 25m

1 stop

7:40 pm - 4:05 pm

BKK

IAD

31h 25m

1 stop

$868Qatar Airways

mié., abr. 1 - mar., abr. 21

3:35 pm - 11:25 pm

IAD

BKK

20h 50m

1 stop

8:05 am - 10:05 am

BKK

IAD

61h 00m

2 stops

$870Etihad Airways

jue., mar. 12 - lun., mar. 16

3:35 pm - 6:45 am

IAD

BKK

28h 10m

1 stop

12:25 pm - 9:45 am

BKK

IAD

56h 20m

2 stops

$871Etihad Airways

jue., abr. 30 - mié., may. 13

2:35 pm - 7:10 am

IAD

BKK

28h 35m

1 stop

5:40 pm - 10:05 am

BKK

IAD

51h 25m

2 stops

$872Etihad Airways

dom., mar. 1 - sáb., mar. 14

9:15 pm - 3:05 pm

IAD

BKK

29h 50m

1 stop

10:45 pm - 7:50 pm

BKK

IAD

32h 05m

1 stop

$875Turkish Airlines

lun., feb. 16 - mar., mar. 31

6:30 am - 4:35 am

DCA

BKK

35h 05m

2 stops

9:35 am - 9:06 pm

BKK

DCA

46h 31m

2 stops

$935United Airlines

jue., may. 7 - dom., may. 17

8:40 am - 11:20 pm

DCA

BKK

27h 40m

2 stops

9:50 am - 5:00 pm

BKK

DCA

42h 10m

2 stops

$936Korean Air

mié., mar. 25 - mar., abr. 14

11:55 am - 9:45 am

DCA

BKK

34h 50m

3 stops

7:00 am - 8:35 pm

BKK

DCA

24h 35m

2 stops

$938United Airlines

lun., abr. 13 - jue., abr. 30

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 1

IAD9:00 pmWashington, D.C. Dulles Intl

29h 25m

1 stop

BKK1:25 pmBangkok Suvarnabhumi

Apr 21

BKK7:40 pmBangkok Suvarnabhumi

31h 25m

1 stop

IAD4:05 pmWashington, D.C. Dulles Intl

$868

Qatar Airways

Feb 15

IAD10:40 amWashington, D.C. Dulles Intl

20h 45m

1 stop

BKK7:25 pmBangkok Suvarnabhumi

Mar 15

BKK6:55 pmBangkok Suvarnabhumi

33h 00m

1 stop

IAD4:55 pmWashington, D.C. Dulles Intl

$883

Qatar Airways

Feb 21

IAD8:05 pmWashington, D.C. Dulles Intl

29h 00m

1 stop

BKK1:05 pmBangkok Suvarnabhumi

Mar 4

BKK8:15 amBangkok Suvarnabhumi

43h 40m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$886

Turkish Airlines flights from Washington, D.C. to Bangkok

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

Turkish Airlines

Feb 16

IAD9:15 pmWashington, D.C. Dulles Intl

29h 50m

1 stop

BKK3:05 pmBangkok Suvarnabhumi

Mar 31

BKK10:45 pmBangkok Suvarnabhumi

32h 05m

1 stop

IAD7:50 pmWashington, D.C. Dulles Intl

$875

Turkish Airlines

Jan 20

IAD1:30 pmWashington, D.C. Dulles Intl

37h 35m

1 stop

BKK3:05 pmBangkok Suvarnabhumi

Mar 12

BKK10:10 amBangkok Suvarnabhumi

37h 35m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$880

Turkish Airlines

Feb 2

IAD9:15 pmWashington, D.C. Dulles Intl

29h 50m

1 stop

BKK3:05 pmBangkok Suvarnabhumi

Feb 9

BKK10:10 amBangkok Suvarnabhumi

45h 10m

1 stop

IAD7:20 pmWashington, D.C. Dulles Intl

$881

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

lun. 2/9

2:35 pm-11:25 pm

1 stop20h 50m

Bangkok Suvarnabhumi

lun. 3/9

8:05 am-10:05 am

2 stops61h 00m

$863

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

lun. 2/16

2:35 pm-11:25 pm

1 stop20h 50m

Bangkok Suvarnabhumi

lun. 3/9

10:00 am-10:05 am

2 stops59h 05m

$864

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mié. 4/1

9:00 pm-1:25 pm

1 stop29h 25m

Bangkok Suvarnabhumi

mar. 4/21

7:40 pm-4:05 pm

1 stop31h 25m

$868

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

jue. 3/12

3:35 pm-11:25 pm

1 stop20h 50m

Bangkok Suvarnabhumi

lun. 3/16

8:05 am-10:05 am

2 stops61h 00m

$870

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

jue. 4/30

3:35 pm-6:45 am

1 stop28h 10m

Bangkok Suvarnabhumi

mié. 5/13

12:25 pm-9:45 am

2 stops56h 20m

$871

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

dom. 3/1

2:35 pm-7:10 am

1 stop28h 35m

Bangkok Suvarnabhumi

sáb. 3/14

5:40 pm-10:05 am

2 stops51h 25m

$872

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

lun. 2/16

9:15 pm-3:05 pm

1 stop29h 50m

Bangkok Suvarnabhumi

mar. 3/31

10:45 pm-7:50 pm

1 stop32h 05m

$875

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

jue. 5/7

6:30 am-4:35 am

2 stops35h 05m

Bangkok Suvarnabhumi

dom. 5/17

9:35 am-9:06 pm

2 stops46h 31m

$935

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mié. 3/25

8:40 am-11:20 pm

2 stops27h 40m

Bangkok Suvarnabhumi

mar. 4/14

9:50 am-5:00 pm

2 stops42h 10m

$936

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

lun. 4/13

11:55 am-9:45 am

3 stops34h 50m

Bangkok Suvarnabhumi

jue. 4/30

7:00 am-8:35 pm

2 stops24h 35m

$938

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 $1,136 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 $1,042 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 30m
Direct flights	None

The fastest flight from Washington, D.C. to Bangkok takes 20h 30m

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 30m.
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 9,163 reviews	Search United Airlines flights
Air China	PriceFrom $565	Free Cancellation	Rating 7.2 137 reviews	Search Air China flights
Air Canada	PriceFrom $597	Free Cancellation	Rating 7.1 10,622 reviews	Search Air Canada flights
IndiGo	PriceFrom $639	Free Cancellation	Rating 6.8 523 reviews	Search IndiGo flights
Air India	PriceFrom $713	Free Cancellation	Rating 5.5 2,975 reviews	Search Air India flights
Etihad Airways	PriceFrom $787	Free Cancellation	Rating 7.3 1,370 reviews	Search Etihad Airways flights
Korean Air	PriceFrom $802	Free Cancellation	Rating 8.4 1,187 reviews	Search Korean Air flights
Qatar Airways	PriceFrom $818	Free Cancellation	Rating 7.4 3,715 reviews	Search Qatar Airways flights
Turkish Airlines	PriceFrom $862	Free Cancellation	Rating 7.3 4,169 reviews	Search Turkish Airlines flights
ANA	PriceFrom $896	Free Cancellation	Rating 8.4 1,072 reviews	Search ANA 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 $395

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 2/9. 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

Turkish Airlines flights from Washington, D.C. to Bangkok

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

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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?

IndiGo and Air India 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