Cheap flights from Bangkok to Washington, D.C. from $655

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Bangkok to Washington, D.C. departing on 10/18. 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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Find the cheapest flights from Bangkok to Washington, D.C.

Cheap round-trip flights

 Logo
10:05 pm - 7:15 pmBKK-IAD
33h 10m2 stops
 Logo
9:10 pm - 3:05 pmIAD-BKK
29h 55m1 stop
$1,098
Find Deal
Fri, Dec 5 - Fri, Jan 2
 Logo
8:15 am - 11:23 amBKK-IAD
39h 08m2 stops
 Logo
1:30 pm - 4:20 amIAD-BKK
26h 50m1 stop
$1,099
Find Deal
Fri, Dec 5 - Thu, Jan 1
SAUDIA Logo
1:15 am - 2:45 pmBKK-IAD
25h 30m1 stop
SAUDIA Logo
6:10 pm - 1:40 pmIAD-BKK
31h 30m1 stop
$1,101SAUDIA
Find Deal
Wed, Dec 3 - Fri, Jan 2
SAUDIA Logo
3:20 pm - 2:45 pmBKK-IAD
35h 25m1 stop
SAUDIA Logo
6:10 pm - 1:40 pmIAD-BKK
31h 30m1 stop
$1,103SAUDIA
Find Deal
Thu, Dec 4 - Fri, Jan 2
Korean Air Logo
12:55 am - 9:50 amBKK-IAD
20h 55m1 stop
Korean Air Logo
11:50 am - 9:30 pmIAD-BKK
45h 40m1 stop
$1,116Korean Air
Find Deal
Wed, Dec 3 - Wed, Dec 31
Korean Air Logo
12:55 am - 9:50 amBKK-IAD
20h 55m1 stop
Korean Air Logo
11:50 am - 11:20 pmIAD-BKK
23h 30m1 stop
$1,126Korean Air
Find Deal
Mon, Nov 3 - Tue, Nov 18
United Airlines Logo
4:55 pm - 9:18 pmBKK-IAD
40h 23m3 stops
United Airlines Logo
10:05 pm - 11:25 amIAD-BKK
49h 20m2 stops
$1,130United Airlines
Find Deal
Tue, Dec 16 - Sat, Jan 3
ANA Logo
2:20 pm - 9:10 amBKK-IAD
30h 50m1 stop
ANA Logo
8:20 am - 12:20 amIAD-BKK
28h 00m2 stops
$1,143ANA
Find Deal
Sat, Dec 20 - Wed, Jan 14
Qatar Airways Logo
8:30 pm - 3:55 pmBKK-IAD
31h 25m1 stop
Qatar Airways Logo
8:05 pm - 1:05 pmIAD-BKK
29h 00m1 stop
$1,172Qatar Airways
Find Deal
Thu, Dec 18 - Wed, Dec 31
Qatar Airways Logo
2:00 am - 4:55 pmBKK-IAD
25h 55m1 stop
Qatar Airways Logo
10:40 am - 6:15 amIAD-BKK
31h 35m1 stop
$1,189Qatar Airways
Find Deal
Tue, Oct 28 - Wed, Nov 5

Korean Air flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best Korean Air deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets
Korean Air
Dec 3
BKK12:55 amBangkok Suvarnabhumi
20h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Dec 31
IAD11:50 amWashington, D.C. Dulles Intl
45h 40m
1 stop
BKK9:30 pmBangkok Suvarnabhumi
Korean Air
Nov 3
BKK12:55 amBangkok Suvarnabhumi
20h 55m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 18
IAD11:50 amWashington, D.C. Dulles Intl
23h 30m
1 stop
BKK11:20 pmBangkok Suvarnabhumi

Air Canada flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
Oct 23
BKK1:20 amBangkok Suvarnabhumi
47h 18m
2 stops
IAD1:38 pmWashington, D.C. Dulles Intl
Nov 4
IAD10:11 pmWashington, D.C. Dulles Intl
44h 19m
2 stops
BKK6:30 amBangkok Suvarnabhumi
Air Canada
Sep 18
BKK7:45 amBangkok Suvarnabhumi
24h 20m
2 stops
IAD9:05 pmWashington, D.C. Dulles Intl
Sep 21
IAD8:28 amWashington, D.C. Dulles Intl
27h 42m
2 stops
BKK11:10 pmBangkok Suvarnabhumi
Air Canada
Sep 17
BKK1:20 amBangkok Suvarnabhumi
43h 18m
2 stops
IAD9:38 amWashington, D.C. Dulles Intl
Sep 21
IAD10:20 amWashington, D.C. Dulles Intl
25h 50m
2 stops
BKK11:10 pmBangkok Suvarnabhumi

momondo Fare Finder

 
Customize your flight search to find flights from Bangkok to Washington, D.C. Dulles Intl 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 September 15, 2025.
Use the filters below to find and compare flights from Bangkok to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 12/5

10:05 pm-7:15 pm

2 stops33h 10m

Washington, D.C. Dulles Intl

Fri 1/2

9:10 pm-3:05 pm

1 stop29h 55m

$1,098

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Fri 12/5

8:15 am-11:23 am

2 stops39h 08m

Washington, D.C. Dulles Intl

Thu 1/1

1:30 pm-4:20 am

1 stop26h 50m

$1,099

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 12/3

1:15 am-2:45 pm

1 stop25h 30m

Washington, D.C. Dulles Intl

Fri 1/2

6:10 pm-1:40 pm

1 stop31h 30m

$1,101

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/4

3:20 pm-2:45 pm

1 stop35h 25m

Washington, D.C. Dulles Intl

Fri 1/2

6:10 pm-1:40 pm

1 stop31h 30m

$1,103

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 12/3

12:55 am-9:50 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Wed 12/31

11:50 am-9:30 pm

1 stop45h 40m

$1,116

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/3

12:55 am-9:50 am

1 stop20h 55m

Washington, D.C. Dulles Intl

Tue 11/18

11:50 am-11:20 pm

1 stop23h 30m

$1,126

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 12/16

4:55 pm-9:18 pm

3 stops40h 23m

Washington, D.C. Dulles Intl

Sat 1/3

10:05 pm-11:25 am

2 stops49h 20m

$1,130

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 12/20

2:20 pm-9:10 am

1 stop30h 50m

Washington, D.C. Dulles Intl

Wed 1/14

8:20 am-12:20 am

2 stops28h 00m

$1,143

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 12/18

8:30 pm-3:55 pm

1 stop31h 25m

Washington, D.C. Dulles Intl

Wed 12/31

8:05 pm-1:05 pm

1 stop29h 00m

$1,172

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 10/28

2:00 am-4:55 pm

1 stop25h 55m

Washington, D.C. Dulles Intl

Wed 11/5

10:40 am-6:15 am

1 stop31h 35m

$1,189

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Bangkok to Washington, D.C. Dulles Intl 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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, July is the cheapest month to fly from Bangkok to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,033. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,046.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Sunday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $1,053. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Bangkok to Washington, D.C. Dulles Intl Airport for around $1,303.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Bangkok in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,134 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,234 on average. Flights to Washington, D.C. Dulles Intl Airport from Bangkok in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Bangkok when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $1,218 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Bangkok for as low as $1,092 on momondo.

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

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

Direct flights

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

    A flight from Bangkok to Washington, D.C. Dulles Intl will travel around 8786.6 mi. Typically, this will take 20h 55m by plane in normal conditions.

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

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

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Bangkok to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The travel and health documents required for your trip to Washington, D.C. Dulles Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C. Dulles Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

Compare and see reviews for airlines that fly from Bangkok to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $992Free CancellationRating
7.4
8,931 reviews
Search United Airlines flights
ANAPriceFrom $1,015Free CancellationRating
8.4
961 reviews
Search ANA flights
Korean AirPriceFrom $1,043Free CancellationRating
8.4
1,139 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,143Free CancellationRating
7.4
3,624 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,371Free CancellationRating
8.1
3,334 reviews
Search Emirates flights
American AirlinesPriceFrom $1,401Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Fairfax
Gaithersburg
Glen Burnie

Why use momondo?

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

It is quick and easy to find Bangkok to Washington, D.C. flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Washington, D.C. that suits you.

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

Flights from Bangkok to Washington, D.C. with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search for Bangkok to Washington, D.C. 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 Bangkok to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Bangkok. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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1 adult
Wed 10/15
Wed 10/22

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