Cheap flights from Bangkok to Washington, D.C. from $617

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 9/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Multiple Airlines Logo
10:45 pm - 10:50 am
BKK
-
IAD
23h 05m
1 stop
Multiple Airlines Logo
3:10 pm - 11:50 pm
IAD
-
BKK
21h 40m
1 stop
$1,115Multiple Airlines
Tue, Jun 30 - Tue, Oct 13
United Airlines Logo
3:45 pm - 9:25 am
BKK
-
IAD
28h 40m
3 stops
United Airlines Logo
8:15 am - 4:35 am
IAD
-
BKK
33h 20m
2 stops
$1,118United Airlines
Sat, Jun 13 - Fri, Jul 31
Qatar Airways Logo
2:30 am - 3:40 pm
BKK
-
IAD
24h 10m
1 stop
Qatar Airways Logo
9:00 pm - 6:20 am
IAD
-
BKK
22h 20m
1 stop
$1,122Qatar Airways
Sun, Sep 6 - Sat, Oct 3
ANA Logo
1:55 pm - 10:05 am
BKK
-
IAD
31h 10m
1 stop
ANA Logo
3:40 pm - 4:35 am
IAD
-
BKK
25h 55m
2 stops
$1,124ANA
Wed, Jun 10 - Wed, Sep 9
ANA Logo
9:35 pm - 10:05 am
BKK
-
IAD
23h 30m
1 stop
ANA Logo
1:05 pm - 5:10 am
IAD
-
BKK
28h 05m
2 stops
$1,133ANA
Wed, Sep 9 - Tue, Nov 3
Etihad Airways Logo
9:15 am - 9:45 am
BKK
-
IAD
35h 30m
1 stop
Etihad Airways Logo
3:10 pm - 6:10 pm
IAD
-
BKK
40h 00m
1 stop
$1,135Etihad Airways
Wed, May 27 - Thu, Sep 3
Etihad Airways Logo
9:15 am - 9:45 am
BKK
-
IAD
35h 30m
1 stop
Etihad Airways Logo
3:10 pm - 11:50 pm
IAD
-
BKK
21h 40m
1 stop
$1,140Etihad Airways
Thu, Jul 23 - Fri, Aug 14
Qatar Airways Logo
3:00 am - 3:40 pm
BKK
-
IAD
23h 40m
1 stop
Qatar Airways Logo
11:05 am - 7:15 am
IAD
-
BKK
33h 10m
1 stop
$1,143Qatar Airways
Wed, Jun 24 - Thu, Jul 2
Emirates Logo
10:55 pm - 9:00 am
DMK
-
IAD
45h 05m
1 stop
Emirates Logo
10:30 am - 10:00 am
IAD
-
DMK
35h 30m
1 stop
$1,492Emirates
Sun, Oct 25 - Sat, Nov 14
Emirates Logo
11:50 pm - 8:40 am
DMK
-
IAD
43h 50m
1 stop
Emirates Logo
10:55 am - 8:45 pm
IAD
-
DMK
22h 50m
1 stop
$1,493Emirates
Sun, Sep 6 - Mon, Oct 5

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
Jun 13
BKK3:45 pmBangkok Suvarnabhumi
28h 40m
3 stops
IAD9:25 amWashington, D.C. Dulles Intl
Jul 31
IAD8:15 amWashington, D.C. Dulles Intl
33h 20m
2 stops
BKK4:35 amBangkok Suvarnabhumi
$1,118
United Airlines
Oct 10
BKK9:35 amBangkok Suvarnabhumi
30h 55m
2 stops
IAD5:30 amWashington, D.C. Dulles Intl
Oct 22
IAD8:30 amWashington, D.C. Dulles Intl
28h 25m
2 stops
BKK11:55 pmBangkok Suvarnabhumi
$1,137
United Airlines
Sep 15
BKK7:00 amBangkok Suvarnabhumi
35h 22m
2 stops
IAD7:22 amWashington, D.C. Dulles Intl
Sep 19
IAD10:20 pmWashington, D.C. Dulles Intl
48h 15m
2 stops
BKK9:35 amBangkok Suvarnabhumi
$1,152

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

Our best Etihad Airways deals on Bangkok to Washington, D.C. Dulles Intl Airport flight tickets
Etihad Airways
May 27
BKK9:15 amBangkok Suvarnabhumi
35h 30m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Sep 3
IAD3:10 pmWashington, D.C. Dulles Intl
40h 00m
1 stop
BKK6:10 pmBangkok Suvarnabhumi
$1,135
Etihad Airways
Jul 23
BKK9:15 amBangkok Suvarnabhumi
35h 30m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Aug 14
IAD3:10 pmWashington, D.C. Dulles Intl
21h 40m
1 stop
BKK11:50 pmBangkok Suvarnabhumi
$1,140
Etihad Airways
Sep 5
BKK3:15 amBangkok Suvarnabhumi
41h 30m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
Oct 6
IAD3:10 pmWashington, D.C. Dulles Intl
41h 30m
1 stop
BKK7:40 pmBangkok Suvarnabhumi
$1,144

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 May 15, 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
Quickest round-trip

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 6/30

10:45 pm-10:50 am

1 stop23h 05m

Washington, D.C. Dulles Intl

Tue 10/13

3:10 pm-11:50 pm

1 stop21h 40m

$1,115

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sat 6/13

3:45 pm-9:25 am

3 stops28h 40m

Washington, D.C. Dulles Intl

Fri 7/31

8:15 am-4:35 am

2 stops33h 20m

$1,118

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 9/6

2:30 am-3:40 pm

1 stop24h 10m

Washington, D.C. Dulles Intl

Sat 10/3

9:00 pm-6:20 am

1 stop22h 20m

$1,122

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 6/10

1:55 pm-10:05 am

1 stop31h 10m

Washington, D.C. Dulles Intl

Wed 9/9

3:40 pm-4:35 am

2 stops25h 55m

$1,124

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 9/9

9:35 pm-10:05 am

1 stop23h 30m

Washington, D.C. Dulles Intl

Tue 11/3

1:05 pm-5:10 am

2 stops28h 05m

$1,133

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 5/27

9:15 am-9:45 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Thu 9/3

3:10 pm-6:10 pm

1 stop40h 00m

$1,135

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Thu 7/23

9:15 am-9:45 am

1 stop35h 30m

Washington, D.C. Dulles Intl

Fri 8/14

3:10 pm-11:50 pm

1 stop21h 40m

$1,140

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 6/24

3:00 am-3:40 pm

1 stop23h 40m

Washington, D.C. Dulles Intl

Thu 7/2

11:05 am-7:15 am

1 stop33h 10m

$1,143

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Sun 10/25

10:55 pm-9:00 am

1 stop45h 05m

Washington, D.C. Dulles Intl

Sat 11/14

10:30 am-10:00 am

1 stop35h 30m

$1,492

BangkokWashington, D.C.

DMK - IAD

DMKIAD

Bangkok Don Mueang Intl

Sun 9/6

11:50 pm-8:40 am

1 stop43h 50m

Washington, D.C. Dulles Intl

Mon 10/5

10:55 am-8:45 pm

1 stop22h 50m

$1,493

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 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, April 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 $472. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $809.

How far in advance should I book a flight from Bangkok 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 $1,150 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

23h 00m

Direct flights

None
The fastest flight from Bangkok to Washington, D.C. Dulles Intl Airport takes 23h 00m
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.

Frequently asked questions about flying 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 23h 00m 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 $1,056Free CancellationRating
7.4
9,718 reviews
Search United Airlines flights
Korean AirPriceFrom $1,065Free CancellationRating
8.4
1,217 reviews
Search Korean Air flights
ANAPriceFrom $1,109Free CancellationRating
8.3
1,210 reviews
Search ANA flights
DeltaPriceFrom $1,112Free CancellationRating
7.9
8,453 reviews
Search Delta flights
Qatar AirwaysPriceFrom $1,142Free CancellationRating
7.4
3,727 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
Gaithersburg
Colonial Beach
Fredericksburg
Silver Spring
Towson
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

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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