Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Washington, D.C. to Bangkok from $365

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 11/17. 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.
Search flight deals

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:40 pm - 8:10 amBWI-BKK
24h 30m2 stops
Multiple Airlines Logo
12:15 pm - 6:40 pmBKK-BWI
42h 25m2 stops
$766Multiple Airlines
Find Deal
sáb., nov. 29 - mar., dic. 16
Multiple Airlines Logo
7:40 pm - 8:10 amBWI-BKK
24h 30m2 stops
Multiple Airlines Logo
12:15 pm - 6:40 pmBKK-BWI
42h 25m2 stops
$836Multiple Airlines
Find Deal
mar., ene. 6 - dom., ene. 18
Etihad Airways Logo
9:10 pm - 11:20 pmIAD-BKK
38h 10m1 stop
Etihad Airways Logo
8:05 am - 3:30 pmBKK-IAD
67h 25m2 stops
$839Etihad Airways
Find Deal
dom., nov. 9 - vie., dic. 12
Etihad Airways Logo
9:10 pm - 6:00 pmIAD-BKK
32h 50m1 stop
Etihad Airways Logo
9:25 am - 3:30 pmBKK-IAD
42h 05m1 stop
$842Etihad Airways
Find Deal
lun., dic. 1 - lun., dic. 15
Qatar Airways Logo
10:40 am - 7:25 pmIAD-BKK
20h 45m1 stop
Qatar Airways Logo
2:00 am - 3:55 pmBKK-IAD
25h 55m1 stop
$851Qatar Airways
Find Deal
dom., nov. 30 - vie., dic. 19
Qatar Airways Logo
10:40 am - 7:25 pmIAD-BKK
20h 45m1 stop
Qatar Airways Logo
8:30 pm - 3:55 pmBKK-IAD
31h 25m1 stop
$852Qatar Airways
Find Deal
vie., nov. 14 - lun., nov. 17
Turkish Airlines Logo
1:30 pm - 8:40 amIAD-BKK
31h 10m1 stop
Turkish Airlines Logo
10:10 am - 7:20 pmBKK-IAD
45h 10m1 stop
$889Turkish Airlines
Find Deal
mar., dic. 2 - mar., dic. 16
Turkish Airlines Logo
1:30 pm - 4:20 amIAD-BKK
26h 50m1 stop
Turkish Airlines Logo
5:50 am - 11:45 amBKK-IAD
41h 55m1 stop
$898Turkish Airlines
Find Deal
jue., ene. 8 - lun., ene. 19
Korean Air Logo
6:59 am - 12:55 amDCA-BKK
29h 56m2 stops
Korean Air Logo
11:15 pm - 12:51 pmBKK-DCA
25h 36m2 stops
$933Korean Air
Find Deal
mar., nov. 18 - mié., dic. 10
Korean Air Logo
7:00 am - 12:55 amDCA-BKK
29h 55m2 stops
Korean Air Logo
11:15 pm - 12:51 pmBKK-DCA
25h 36m2 stops
$934Korean Air
Find Deal
jue., nov. 27 - dom., dic. 14

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

Our best Etihad Airways deals on Washington, D.C. to Bangkok flight tickets
Etihad Airways
Nov 9
IAD9:10 pmWashington, D.C. Dulles Intl
38h 10m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
Dec 12
BKK8:05 amBangkok Suvarnabhumi
67h 25m
2 stops
IAD3:30 pmWashington, D.C. Dulles Intl
$839
Find similar
Etihad Airways
Dec 1
IAD9:10 pmWashington, D.C. Dulles Intl
32h 50m
1 stop
BKK6:00 pmBangkok Suvarnabhumi
Dec 15
BKK9:25 amBangkok Suvarnabhumi
42h 05m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
$842
Find similar
Etihad Airways
Nov 9
IAD9:10 pmWashington, D.C. Dulles Intl
38h 10m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
Nov 22
BKK8:55 amBangkok Suvarnabhumi
42h 35m
1 stop
IAD3:30 pmWashington, D.C. Dulles Intl
$847
Find similar

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

Our best Singapore Airlines deals on Washington, D.C. to Bangkok flight tickets
Singapore Airlines
Jan 12
BWI7:14 pmBaltimore/Washington
36h 46m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Feb 9
BKK8:00 pmBangkok Suvarnabhumi
34h 14m
2 stops
BWI6:14 pmBaltimore/Washington
$875
Find similar
Singapore Airlines
Jan 14
BWI7:14 pmBaltimore/Washington
36h 46m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Feb 25
BKK9:10 pmBangkok Suvarnabhumi
32h 45m
2 stops
BWI5:55 pmBaltimore/Washington
$876
Find similar
Singapore Airlines
Jan 14
BWI7:14 pmBaltimore/Washington
36h 46m
2 stops
BKK8:00 pmBangkok Suvarnabhumi
Feb 25
BKK9:10 pmBangkok Suvarnabhumi
32h 45m
2 stops
BWI5:55 pmBaltimore/Washington
$880
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Bangkok 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 octubre 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Bangkok that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

sáb. 11/29

7:40 pm-8:10 am

2 stops24h 30m

Bangkok Suvarnabhumi

mar. 12/16

12:15 pm-6:40 pm

2 stops42h 25m

$766

BaltimoreBangkok

BWI - BKK

BWIBKK

Baltimore/Washington

mar. 1/6

7:40 pm-8:10 am

2 stops24h 30m

Bangkok Suvarnabhumi

dom. 1/18

12:15 pm-6:40 pm

2 stops42h 25m

$836

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

dom. 11/9

9:10 pm-11:20 pm

1 stop38h 10m

Bangkok Suvarnabhumi

vie. 12/12

8:05 am-3:30 pm

2 stops67h 25m

$839

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

lun. 12/1

9:10 pm-6:00 pm

1 stop32h 50m

Bangkok Suvarnabhumi

lun. 12/15

9:25 am-3:30 pm

1 stop42h 05m

$842

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

dom. 11/30

10:40 am-7:25 pm

1 stop20h 45m

Bangkok Suvarnabhumi

vie. 12/19

2:00 am-3:55 pm

1 stop25h 55m

$851

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

vie. 11/14

10:40 am-7:25 pm

1 stop20h 45m

Bangkok Suvarnabhumi

lun. 11/17

8:30 pm-3:55 pm

1 stop31h 25m

$852

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

mar. 12/2

1:30 pm-8:40 am

1 stop31h 10m

Bangkok Suvarnabhumi

mar. 12/16

10:10 am-7:20 pm

1 stop45h 10m

$889

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

jue. 1/8

1:30 pm-4:20 am

1 stop26h 50m

Bangkok Suvarnabhumi

lun. 1/19

5:50 am-11:45 am

1 stop41h 55m

$898

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mar. 11/18

6:59 am-12:55 am

2 stops29h 56m

Bangkok Suvarnabhumi

mié. 12/10

11:15 pm-12:51 pm

2 stops25h 36m

$933

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

jue. 11/27

7:00 am-12:55 am

2 stops29h 55m

Bangkok Suvarnabhumi

dom. 12/14

11:15 pm-12:51 pm

2 stops25h 36m

$934

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

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 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 $1,038.

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

On average, the least expensive day to fly to Bangkok from Washington, D.C. is on a Saturday. momondo users have found tickets for Saturday departures for as low as $1,210. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Washington, D.C. to Bangkok on a Friday will generally be more expensive and average around $1,354. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

According to our data, the cheapest time of day to fly to Bangkok is in the evening. momondo users have found flights departing from Washington, D.C. to Bangkok in the evening for as low as $1,143. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the morning because they tend to be around $1,365. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,206 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 $1,015 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

Direct flights

None
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?

  • 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 ChinaPriceFrom $565Free CancellationRating
7.2
117 reviews
Search Air China flights
Air IndiaPriceFrom $700Free CancellationRating
5.5
2,941 reviews
Search Air India flights
Korean AirPriceFrom $802Free CancellationRating
8.4
1,153 reviews
Search Korean Air flights
SAUDIAPriceFrom $834Free CancellationRating
7.4
635 reviews
Search SAUDIA flights
Etihad AirwaysPriceFrom $840Free CancellationRating
7.4
1,282 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $854Free CancellationRating
7.4
3,654 reviews
Search Qatar Airways flights
ANAPriceFrom $895Free CancellationRating
8.4
990 reviews
Search ANA flights
JetBluePriceFrom $900Free CancellationRating
7.2
2,908 reviews
Search JetBlue flights
Turkish AirlinesPriceFrom $902Free CancellationRating
7.3
4,022 reviews
Search Turkish Airlines flights
Alaska AirlinesPriceFrom $920Free CancellationRating
8.0
11,156 reviews
Search Alaska 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

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
sáb. 11/22
sáb. 11/29
By creating a price alert you accept our terms of use and privacy policy.

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
Bangkok Suvarnabhumi Airport
Bangkok Don Mueang Intl Airport