Cheap flights from Bangkok to Washington, D.C. from $595

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 5/2. 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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Cheap round-trip flights

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United Airlines Logo
7:00 am - 8:33 pm
BKK
-
IAD
24h 33m
2 stops
United Airlines Logo
6:00 am - 9:35 am
IAD
-
BKK
40h 35m
2 stops
$805United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
7:00 am - 8:33 pm
BKK
-
IAD
24h 33m
2 stops
United Airlines Logo
12:35 pm - 4:35 am
IAD
-
BKK
29h 00m
1 stop
$806United Airlines
Thu, Sep 24 - Mon, Sep 28
United Airlines Logo
7:00 am - 10:43 pm
BKK
-
IAD
26h 43m
2 stops
United Airlines Logo
8:29 am - 11:55 pm
IAD
-
BKK
28h 26m
2 stops
$809United Airlines
Thu, Aug 27 - Thu, Sep 10
Multiple Airlines Logo
1:30 am - 7:30 pm
BKK
-
IAD
29h 00m
1 stop
Multiple Airlines Logo
3:10 pm - 11:50 pm
IAD
-
BKK
21h 40m
1 stop
$888Multiple Airlines
Thu, Apr 23 - Mon, May 4
AIR PREMIA Logo
10:45 pm - 10:50 am
BKK
-
IAD
23h 05m
1 stop
AIR PREMIA Logo
1:20 pm - 9:10 pm
IAD
-
BKK
44h 50m
1 stop
$906AIR PREMIA
Tue, Apr 28 - Fri, Aug 7
AIR PREMIA Logo
10:45 pm - 10:50 am
BKK
-
IAD
23h 05m
1 stop
AIR PREMIA Logo
1:20 pm - 9:10 pm
IAD
-
BKK
44h 50m
1 stop
$907AIR PREMIA
Tue, May 12 - Wed, Jun 3
AIR PREMIA Logo
10:45 pm - 10:50 am
BKK
-
IAD
23h 05m
1 stop
AIR PREMIA Logo
1:20 pm - 9:10 pm
IAD
-
BKK
44h 50m
1 stop
$913AIR PREMIA
Tue, May 12 - Wed, Jun 3
United Airlines Logo
9:35 am - 7:26 am
BKK
-
IAD
32h 51m
2 stops
United Airlines Logo
8:21 pm - 4:35 am
IAD
-
BKK
45h 14m
2 stops
$999United Airlines
Wed, Jun 17 - Thu, Jul 16
Multiple Airlines Logo
4:45 pm - 7:25 pm
DMK
-
IAD
37h 40m
2 stops
Multiple Airlines Logo
1:20 pm - 3:50 pm
IAD
-
DMK
39h 30m
1 stop
$1,361Multiple Airlines
Tue, Jul 21 - Wed, Sep 2
Emirates Logo
12:10 pm - 8:40 am
DMK
-
IAD
31h 30m
1 stop
Emirates Logo
10:55 am - 8:45 pm
IAD
-
DMK
22h 50m
1 stop
$2,903Emirates
Thu, Sep 24 - Mon, Sep 28

United Airlines flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 24
BKK7:00 amBangkok Suvarnabhumi
24h 33m
2 stops
IAD8:33 pmWashington, D.C. Dulles Intl
Sep 28
IAD6:00 amWashington, D.C. Dulles Intl
40h 35m
2 stops
BKK9:35 amBangkok Suvarnabhumi
$805
United Airlines
Sep 24
BKK7:00 amBangkok Suvarnabhumi
24h 33m
2 stops
IAD8:33 pmWashington, D.C. Dulles Intl
Sep 28
IAD12:35 pmWashington, D.C. Dulles Intl
29h 00m
1 stop
BKK4:35 amBangkok Suvarnabhumi
$806
United Airlines
Aug 27
BKK7:00 amBangkok Suvarnabhumi
26h 43m
2 stops
IAD10:43 pmWashington, D.C. Dulles Intl
Sep 10
IAD8:29 amWashington, D.C. Dulles Intl
28h 26m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
$809

AIR PREMIA flights from Bangkok to Washington, D.C. Dulles Intl Airport

Our best AIR PREMIA deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets
AIR PREMIA
Apr 28
BKK10:45 pmBangkok Suvarnabhumi
23h 05m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Aug 7
IAD1:20 pmWashington, D.C. Dulles Intl
44h 50m
1 stop
BKK9:10 pmBangkok Suvarnabhumi
$906
AIR PREMIA
May 12
BKK10:45 pmBangkok Suvarnabhumi
23h 05m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Jun 3
IAD1:20 pmWashington, D.C. Dulles Intl
44h 50m
1 stop
BKK9:10 pmBangkok Suvarnabhumi
$907
AIR PREMIA
May 12
BKK10:45 pmBangkok Suvarnabhumi
23h 05m
1 stop
IAD10:50 amWashington, D.C. Dulles Intl
Jun 3
IAD1:20 pmWashington, D.C. Dulles Intl
44h 50m
1 stop
BKK9:10 pmBangkok Suvarnabhumi
$913

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 March 31, 2026.
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

Cheapest round-trip

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 9/24

7:00 am-8:33 pm

2 stops24h 33m

Washington, D.C. Dulles Intl

Mon 9/28

6:00 am-9:35 am

2 stops40h 35m

$805

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 9/24

7:00 am-8:33 pm

2 stops24h 33m

Washington, D.C. Dulles Intl

Mon 9/28

12:35 pm-4:35 am

1 stop29h 00m

$806

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 8/27

7:00 am-10:43 pm

2 stops26h 43m

Washington, D.C. Dulles Intl

Thu 9/10

8:29 am-11:55 pm

2 stops28h 26m

$809
Quickest round-trip

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 4/23

1:30 am-7:30 pm

1 stop29h 00m

Washington, D.C. Dulles Intl

Mon 5/4

3:10 pm-11:50 pm

1 stop21h 40m

$888

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/28

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Fri 8/7

1:20 pm-9:10 pm

1 stop44h 50m

$906

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5/12

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 6/3

1:20 pm-9:10 pm

1 stop44h 50m

$907

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 5/12

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Wed 6/3

1:20 pm-9:10 pm

1 stop44h 50m

$913

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 6/17

9:35 am-7:26 am

2 stops32h 51m

Washington, D.C. Dulles Intl

Thu 7/16

8:21 pm-4:35 am

2 stops45h 14m

$999

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Tue 7/21

4:45 pm-7:25 pm

2 stops37h 40m

Washington, D.C. Dulles Intl

Wed 9/2

1:20 pm-3:50 pm

1 stop39h 30m

$1,361

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Thu 9/24

12:10 pm-8:40 am

1 stop31h 30m

Washington, D.C. Dulles Intl

Mon 9/28

10:55 am-8:45 pm

1 stop22h 50m

$2,903

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest 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 typical price of a round-trip flight between Bangkok and Washington, D.C. Dulles Intl Airport?

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 $1,017. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,042.

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 $1,160 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 $809 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

Fastest flight time

27h 45m

Direct flights

None
The fastest flight from Bangkok to Washington, D.C. Dulles Intl Airport takes 27h 45m
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 27h 45m 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 $1,040Free CancellationRating
7.4
9,525 reviews
Search United Airlines flights
Korean AirPriceFrom $1,065Free CancellationRating
8.4
1,203 reviews
Search Korean Air flights
ANAPriceFrom $1,109Free CancellationRating
8.4
1,160 reviews
Search ANA flights
DeltaPriceFrom $1,112Free CancellationRating
7.9
8,364 reviews
Search Delta flights
Qatar AirwaysPriceFrom $1,142Free CancellationRating
7.4
3,729 reviews
Search Qatar Airways 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
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Sterling
Linthicum Heights
Springfield
Bethesda

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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Thu 4/30
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