Cheap flights from Thailand to Washington, D.C. from $583

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Thailand to Washington, D.C. departing on 2/28. 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 Thailand to Washington, D.C.

Recent round-trip flight deals from Thailand to Washington, D.C.

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:10 am - 7:20 pm
BKK
-
IAD
45h 10m
2 stops
Multiple Airlines Logo
2:35 pm - 11:25 pm
IAD
-
BKK
20h 50m
1 stop
$980Multiple Airlines
Thu, Feb 26 - Sat, Feb 28
Multiple Airlines Logo
10:10 am - 7:20 pm
BKK
-
IAD
45h 10m
2 stops
Multiple Airlines Logo
2:35 pm - 11:25 pm
IAD
-
BKK
20h 50m
1 stop
$985Multiple Airlines
Sun, Feb 8 - Sun, Feb 15
Multiple Airlines Logo
10:50 am - 5:40 am
BKK
-
IAD
29h 50m
2 stops
Multiple Airlines Logo
7:18 pm - 9:45 am
IAD
-
BKK
27h 27m
2 stops
$994Multiple Airlines
Tue, Apr 21 - Sat, Sep 12
Multiple Airlines Logo
10:05 am - 9:45 am
BKK
-
IAD
34h 40m
2 stops
Multiple Airlines Logo
3:35 pm - 11:50 pm
IAD
-
BKK
21h 15m
1 stop
$1,013Multiple Airlines
Mon, Apr 20 - Sun, Sep 13
SAUDIA Logo
1:50 am - 3:45 pm
BKK
-
IAD
24h 55m
1 stop
SAUDIA Logo
6:50 pm - 1:40 pm
IAD
-
BKK
31h 50m
1 stop
$1,016SAUDIA
Wed, May 6 - Sat, Sep 12
SAUDIA Logo
1:50 am - 3:45 pm
BKK
-
IAD
24h 55m
1 stop
SAUDIA Logo
6:50 pm - 1:45 pm
IAD
-
BKK
31h 55m
1 stop
$1,021SAUDIA
Wed, May 6 - Fri, Sep 11
STARLUX Airlines Logo
5:20 pm - 7:34 am
CNX
-
IAD
49h 14m
2 stops
STARLUX Airlines Logo
5:33 pm - 4:20 pm
IAD
-
CNX
35h 47m
2 stops
$1,051STARLUX Airlines
Tue, May 26 - Tue, Jun 2
EVA Air Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
EVA Air Logo
5:33 pm - 10:25 am
IAD
-
CNX
29h 52m
2 stops
$1,052EVA Air
Tue, May 26 - Tue, Jun 2
EVA Air Logo
11:35 am - 7:34 am
CNX
-
IAD
30h 59m
2 stops
EVA Air Logo
5:33 pm - 10:25 am
IAD
-
CNX
29h 52m
2 stops
$1,055EVA Air
Tue, May 26 - Tue, Jun 2
Etihad Airways Logo
9:30 am - 9:45 am
CNX
-
IAD
35h 15m
1 stop
Etihad Airways Logo
3:35 pm - 5:55 am
IAD
-
CNX
27h 20m
1 stop
$1,257Etihad Airways
Tue, May 26 - Tue, Jun 2

EVA Air flights from Thailand to Washington, D.C. Dulles Intl Airport

Our best EVA Air deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets
EVA Air
May 26
CNX11:35 amChiang Mai
30h 59m
2 stops
IAD7:34 amWashington, D.C. Dulles Intl
Jun 2
IAD5:33 pmWashington, D.C. Dulles Intl
29h 52m
2 stops
CNX10:25 amChiang Mai
$1,052
EVA Air
May 26
CNX11:35 amChiang Mai
30h 59m
2 stops
IAD7:34 amWashington, D.C. Dulles Intl
Jun 2
IAD5:33 pmWashington, D.C. Dulles Intl
29h 52m
2 stops
CNX10:25 amChiang Mai
$1,055

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

Our best Korean Air deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets
Korean Air
Jan 26
BKK10:25 pmBangkok Suvarnabhumi
23h 25m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Jan 28
IAD11:50 amWashington, D.C. Dulles Intl
23h 30m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$1,432
Korean Air
Jan 26
BKK10:25 pmBangkok Suvarnabhumi
23h 25m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Jan 28
IAD11:50 amWashington, D.C. Dulles Intl
25h 05m
1 stop
BKK12:55 amBangkok Suvarnabhumi
$1,441

momondo Fare Finder

 
Customize your flight search to find flights from Thailand 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 January 14, 2026.
Use the filters below to find and compare flights from Thailand 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

Thu 2/26

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Sat 2/28

2:35 pm-11:25 pm

1 stop20h 50m

$980

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Sun 2/8

10:10 am-7:20 pm

2 stops45h 10m

Washington, D.C. Dulles Intl

Sun 2/15

2:35 pm-11:25 pm

1 stop20h 50m

$985

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 4/21

10:50 am-5:40 am

2 stops29h 50m

Washington, D.C. Dulles Intl

Sat 9/12

7:18 pm-9:45 am

2 stops27h 27m

$994

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 4/20

10:05 am-9:45 am

2 stops34h 40m

Washington, D.C. Dulles Intl

Sun 9/13

3:35 pm-11:50 pm

1 stop21h 15m

$1,013

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 5/6

1:50 am-3:45 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Sat 9/12

6:50 pm-1:40 pm

1 stop31h 50m

$1,016

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 5/6

1:50 am-3:45 pm

1 stop24h 55m

Washington, D.C. Dulles Intl

Fri 9/11

6:50 pm-1:45 pm

1 stop31h 55m

$1,021

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

5:20 pm-7:34 am

2 stops49h 14m

Washington, D.C. Dulles Intl

Tue 6/2

5:33 pm-4:20 pm

2 stops35h 47m

$1,051

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:33 pm-10:25 am

2 stops29h 52m

$1,052

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

11:35 am-7:34 am

2 stops30h 59m

Washington, D.C. Dulles Intl

Tue 6/2

5:33 pm-10:25 am

2 stops29h 52m

$1,055

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Tue 5/26

9:30 am-9:45 am

1 stop35h 15m

Washington, D.C. Dulles Intl

Tue 6/2

3:35 pm-5:55 am

1 stop27h 20m

$1,257

Flights are sorted by cheapest round-trip flights first.

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

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Thailand 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 Thailand 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 $1,029. 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 $1,035.

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 Thailand 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 $1,164 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 Thailand for as low as $1,011 on momondo.

Can stopping save me money on Thailand to Washington, D.C. Dulles Intl Airport flights?

You could potentially save up to 50% on your flight if you consider stops on a Thailand to Washington, D.C. Dulles Intl Airport flight.

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

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

Fastest flight time

23h 45m

Direct flights

None
The fastest flight from Thailand to Washington, D.C. Dulles Intl Airport takes 23h 45m
There are no direct flights from Thailand to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Thailand to Washington, D.C. Dulles Intl Airport.
  • When did momondo last update prices for flights from Thailand to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Thailand to Washington, D.C. Dulles Intl Airport are updated daily.

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

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

    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 Thailand 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 Thailand to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Thailand to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $992Free CancellationRating
7.4
9,156 reviews
Search United Airlines flights
ANAPriceFrom $1,011Free CancellationRating
8.4
1,069 reviews
Search ANA flights
Korean AirPriceFrom $1,033Free CancellationRating
8.4
1,187 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,142Free CancellationRating
7.4
3,714 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,392Free CancellationRating
8.1
3,466 reviews
Search Emirates 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Harpers Ferry
Manassas
Springfield
Sterling
Fairfax

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Thailand to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Thailand. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Thailand to Washington, D.C. right now. Can momondo alert me if prices change?

Price alerts on flights to Washington, D.C. from Thailand are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your Washington, D.C. Dulles Intl 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
Fri 2/13
Fri 2/20

Find better results for your trip to Washington, D.C.