Cheap flights from Washington, D.C. to Bangkok from $386

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 11/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.

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

Cheap round-trip flights

 Logo
5:35 am - 9:25 pmBWI-BKK
27h 50m2 stops
 Logo
10:55 pm - 7:19 pmBKK-BWI
32h 24m2 stops
lun., nov. 3 - jue., nov. 6
 Logo
5:35 am - 9:25 pmBWI-BKK
27h 50m2 stops
 Logo
10:55 pm - 7:19 pmBKK-BWI
32h 24m2 stops
lun., nov. 3 - dom., nov. 16
 Logo
5:35 am - 9:25 pmBWI-BKK
28h 50m2 stops
 Logo
10:55 pm - 7:19 pmBKK-BWI
32h 24m2 stops
lun., oct. 27 - dom., nov. 9
Etihad Airways Logo
10:05 pm - 6:50 pmIAD-BKK
33h 45m1 stop
Etihad Airways Logo
7:20 am - 4:10 pmBKK-IAD
43h 50m2 stops
$851Etihad Airways
Find Deal
mié., oct. 8 - vie., oct. 17
Etihad Airways Logo
10:05 pm - 11:00 amIAD-BKK
49h 55m2 stops
Etihad Airways Logo
7:20 am - 4:50 pmBKK-IAD
44h 30m2 stops
$852Etihad Airways
Find Deal
mié., oct. 15 - sáb., oct. 25
Qatar Airways Logo
9:00 pm - 12:55 pmIAD-BKK
28h 55m1 stop
Qatar Airways Logo
8:30 pm - 4:55 pmBKK-IAD
31h 25m1 stop
$854Qatar Airways
Find Deal
mar., oct. 7 - mié., oct. 29
Qatar Airways Logo
8:05 pm - 12:15 pmIAD-BKK
28h 10m1 stop
Qatar Airways Logo
8:30 pm - 3:55 pmBKK-IAD
31h 25m1 stop
$856Qatar Airways
Find Deal
mié., ene. 14 - mié., feb. 25
Turkish Airlines Logo
1:30 pm - 4:20 amIAD-BKK
26h 50m1 stop
Turkish Airlines Logo
10:10 am - 11:45 amBKK-IAD
37h 35m1 stop
$878Turkish Airlines
Find Deal
mié., nov. 26 - lun., dic. 8
Korean Air Logo
6:59 am - 11:20 pmDCA-BKK
28h 21m2 stops
Korean Air Logo
12:55 am - 12:51 pmBKK-DCA
23h 56m2 stops
$934Korean Air
Find Deal
mar., nov. 25 - mar., dic. 9
Korean Air Logo
6:59 am - 9:30 pmDCA-BKK
26h 31m2 stops
Korean Air Logo
11:15 pm - 12:51 pmBKK-DCA
25h 36m2 stops
$959Korean Air
Find Deal
mié., nov. 26 - lun., dic. 8

JetBlue flights from Washington, D.C. to Bangkok Suvarnabhumi Airport

Our best JetBlue deals on Washington, D.C. to Bangkok Suvarnabhumi Airport flight tickets
JetBlue
Dec 1
IAD8:05 pmWashington, D.C. Dulles Intl
22h 10m
1 stop
BKK6:15 amBangkok Suvarnabhumi
Feb 27
BKK8:30 pmBangkok Suvarnabhumi
31h 25m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
JetBlue
Oct 25
IAD9:00 pmWashington, D.C. Dulles Intl
22h 15m
1 stop
BKK6:15 amBangkok Suvarnabhumi
Nov 20
BKK2:00 amBangkok Suvarnabhumi
25h 55m
1 stop
IAD3:55 pmWashington, D.C. Dulles Intl
JetBlue
Sep 26
IAD11:00 amWashington, D.C. Dulles Intl
21h 20m
1 stop
BKK7:20 pmBangkok Suvarnabhumi
Oct 4
BKK8:40 amBangkok Suvarnabhumi
42h 00m
1 stop
IAD3:40 pmWashington, D.C. Dulles Intl

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

Our best Etihad Airways deals on Washington, D.C. to Bangkok Suvarnabhumi Airport flight tickets
Etihad Airways
Oct 8
IAD10:05 pmWashington, D.C. Dulles Intl
33h 45m
1 stop
BKK6:50 pmBangkok Suvarnabhumi
Oct 17
BKK7:20 amBangkok Suvarnabhumi
43h 50m
2 stops
IAD4:10 pmWashington, D.C. Dulles Intl
Etihad Airways
Oct 15
IAD10:05 pmWashington, D.C. Dulles Intl
49h 55m
2 stops
BKK11:00 amBangkok Suvarnabhumi
Oct 25
BKK7:20 amBangkok Suvarnabhumi
44h 30m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
Etihad Airways
Oct 6
IAD10:05 pmWashington, D.C. Dulles Intl
22h 15m
1 stop
BKK7:20 amBangkok Suvarnabhumi
Oct 29
BKK2:55 amBangkok Suvarnabhumi
24h 55m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Bangkok Suvarnabhumi Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated septiembre 15, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Bangkok Suvarnabhumi Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

lun. 11/3

5:35 am-9:25 pm

2 stops27h 50m

Bangkok Suvarnabhumi

jue. 11/6

10:55 pm-7:19 pm

2 stops32h 24m

$806

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

lun. 11/3

5:35 am-9:25 pm

2 stops27h 50m

Bangkok Suvarnabhumi

dom. 11/16

10:55 pm-7:19 pm

2 stops32h 24m

$812

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

lun. 10/27

5:35 am-9:25 pm

2 stops28h 50m

Bangkok Suvarnabhumi

dom. 11/9

10:55 pm-7:19 pm

2 stops32h 24m

$819

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mié. 10/8

10:05 pm-6:50 pm

1 stop33h 45m

Bangkok Suvarnabhumi

vie. 10/17

7:20 am-4:10 pm

2 stops43h 50m

$851

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mié. 10/15

10:05 pm-11:00 am

2 stops49h 55m

Bangkok Suvarnabhumi

sáb. 10/25

7:20 am-4:50 pm

2 stops44h 30m

$852

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mar. 10/7

9:00 pm-12:55 pm

1 stop28h 55m

Bangkok Suvarnabhumi

mié. 10/29

8:30 pm-4:55 pm

1 stop31h 25m

$854

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mié. 1/14

8:05 pm-12:15 pm

1 stop28h 10m

Bangkok Suvarnabhumi

mié. 2/25

8:30 pm-3:55 pm

1 stop31h 25m

$856

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mié. 11/26

1:30 pm-4:20 am

1 stop26h 50m

Bangkok Suvarnabhumi

lun. 12/8

10:10 am-11:45 am

1 stop37h 35m

$878

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mar. 11/25

6:59 am-11:20 pm

2 stops28h 21m

Bangkok Suvarnabhumi

mar. 12/9

12:55 am-12:51 pm

2 stops23h 56m

$934

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mié. 11/26

6:59 am-9:30 pm

2 stops26h 31m

Bangkok Suvarnabhumi

lun. 12/8

11:15 pm-12:51 pm

2 stops25h 36m

$959

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Bangkok from

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

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

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

What is the cheapest month to fly to Bangkok Suvarnabhumi Airport?

The month of September is, on average, the cheapest month to fly to Bangkok Suvarnabhumi Airport from Washington, D.C., with most prices found around $989. The month of August is another great option to travel to Bangkok Suvarnabhumi Airport, with average flight prices from Washington, D.C. averaging around $1,064.

What is the cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport?

The cheapest day to depart on your flight to Bangkok Suvarnabhumi Airport is on a Saturday when prices can be found for as low as $1,210. This is often the case because there is less demand to fly during this day of the week. On the other hand, Friday is the most expensive day to depart from Washington, D.C. because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,354.

What is the cheapest time of day to depart on your flight to Bangkok Suvarnabhumi Airport?

Our most recent data shows that the best time of day to fly to Bangkok Suvarnabhumi Airport is in the evening. Flights from Washington, D.C. to Bangkok Suvarnabhumi Airport during this time can be as low as $1,143. In the morning is when there is more demand to fly to Bangkok Suvarnabhumi Airport, so prices are often more expensive at around $1,365 per ticket.

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

You are more likely to see cheaper flights to Bangkok Suvarnabhumi Airport from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Bangkok Suvarnabhumi Airport for around $1,211 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Bangkok Suvarnabhumi Airport from Washington, D.C. for as low as $1,018 on momondo.

Can stopping save me money on Washington, D.C. to Bangkok Suvarnabhumi Airport flights?

You could potentially save up to 13% on your flight if you consider stops on a Washington, D.C. to Bangkok Suvarnabhumi Airport flight.

How have Washington, D.C. to Bangkok Suvarnabhumi Airport flight prices changed over time?

As of September 2025, prices for Washington, D.C. to Bangkok Suvarnabhumi Airport flights are approximately 3% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Bangkok Suvarnabhumi Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Bangkok Suvarnabhumi Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Bangkok Suvarnabhumi Airport (WAS to BKK) flight deals and tips

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

Direct flights

None
There are no direct flights from Washington, D.C. to Bangkok Suvarnabhumi Airport. There are no popular flight routes from Washington, D.C. to Bangkok Suvarnabhumi Airport.
  • How far is Washington, D.C. to Bangkok Suvarnabhumi by plane?

    Bangkok Suvarnabhumi is 8793.6 mi away from Washington, D.C.. A reasonable flight in good conditions will take 20h 45m.

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

    Prices for flights from Washington, D.C. to Bangkok Suvarnabhumi Airport refresh daily.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Bangkok Suvarnabhumi Airport.

  • What documentation or ID do you need to fly to Bangkok Suvarnabhumi Airport?

    The travel and health documents you'll need for your trip to Bangkok Suvarnabhumi Airport 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 Suvarnabhumi Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Bangkok Suvarnabhumi Airport?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Bangkok Suvarnabhumi Airport with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $565Free CancellationRating
7.2
99 reviews
Search Air China flights
Air IndiaPriceFrom $700Free CancellationRating
5.5
2,930 reviews
Search Air India flights
Korean AirPriceFrom $802Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
SAUDIAPriceFrom $823Free CancellationRating
7.4
634 reviews
Search SAUDIA flights
Etihad AirwaysPriceFrom $880Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
ANAPriceFrom $895Free CancellationRating
8.4
961 reviews
Search ANA flights
Turkish AirlinesPriceFrom $911Free CancellationRating
7.3
3,968 reviews
Search Turkish Airlines flights
DeltaPriceFrom $928Free CancellationRating
7.9
7,954 reviews
Search Delta flights
Qatar AirwaysPriceFrom $937Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
United AirlinesPriceFrom $937Free CancellationRating
7.4
8,929 reviews
Search United Airlines flights

Traveling to a place near Bangkok?

Book flights to Bangkok if you plan to visit one of these locations
Pattaya
Ko Samet
Kanchanaburi
Ayutthaya
Chonburi
Cha-am
Ko Lan
Pak Chong
Sattahip
Phetchaburi

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Bangkok from Washington, D.C..

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

momondo does allow users to show only those flights to Bangkok from Washington, D.C. which offer a flexible booking policy as well as other useful filters and features.

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?

Yes. momondo can track prices for Washington, D.C. to Bangkok flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Bangkok Suvarnabhumi Airport 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.
1 adult
mié. 10/15
mié. 10/22

Find better results for your trip to Bangkok

Popular cities in Thailand

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