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Cheap flights from Thailand to Washington, D.C. from $567

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 2/15. 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 Thailand to Washington, D.C.

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

Air Canada Logo
8:15 am - 8:59 pmBKK-IAD
24h 44m2 stops
Air Canada Logo
6:30 am - 6:30 amIAD-BKK
36h 00m2 stops
$972Air Canada
Find Deal
Mon, Nov 3 - Mon, Nov 17
Logo
1:20 am - 9:38 amBKK-IAD
43h 18m2 stops
Logo
1:30 pm - 3:25 pmIAD-BKK
38h 55m1 stop
$1,003
Find Deal
Mon, Sep 22 - Wed, Oct 22
Logo
8:15 am - 8:59 pmBKK-IAD
24h 44m2 stops
Logo
1:30 pm - 3:05 pmIAD-BKK
37h 35m1 stop
$1,014
Find Deal
Mon, Nov 3 - Mon, Nov 17
United Airlines Logo
7:10 am - 7:29 amBKK-IAD
36h 19m2 stops
United Airlines Logo
6:30 am - 11:25 amIAD-BKK
40h 55m3 stops
$1,039United Airlines
Find Deal
Tue, Nov 4 - Tue, Nov 18
United Airlines Logo
9:25 am - 4:27 pmBKK-IAD
42h 02m2 stops
United Airlines Logo
6:30 am - 12:05 amIAD-BKK
29h 35m2 stops
$1,040United Airlines
Find Deal
Mon, Oct 27 - Tue, Nov 4
ANA Logo
2:20 pm - 9:21 pmBKK-IAD
43h 01m2 stops
ANA Logo
11:05 am - 6:30 amIAD-BKK
31h 25m1 stop
$1,060ANA
Find Deal
Wed, Dec 24 - Sat, Jan 10
Korean Air Logo
11:15 pm - 9:50 amBKK-IAD
22h 35m1 stop
Korean Air Logo
11:50 am - 11:20 pmIAD-BKK
23h 30m1 stop
$1,063Korean Air
Find Deal
Tue, Nov 4 - Tue, Nov 18
Korean Air Logo
9:40 pm - 10:55 amBKK-IAD
24h 15m1 stop
Korean Air Logo
11:50 am - 12:45 amIAD-BKK
24h 55m1 stop
$1,091Korean Air
Find Deal
Tue, Sep 16 - Sat, Nov 29
Qatar Airways Logo
7:45 pm - 3:55 pmCNX-IAD
32h 10m2 stops
Qatar Airways Logo
8:05 pm - 7:00 pmIAD-CNX
34h 55m2 stops
$1,395Qatar Airways
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Wed, Feb 18 - Sun, Feb 22
Qatar Airways Logo
10:10 am - 3:55 pmCNX-IAD
41h 45m2 stops
Qatar Airways Logo
8:05 pm - 7:00 pmIAD-CNX
34h 55m2 stops
$1,398Qatar Airways
Find Deal
Wed, Feb 18 - Sun, Feb 22

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

Our best Etihad Airways deals on Thailand to Washington, D.C. Dulles Intl Airport flight tickets
Etihad Airways
Feb 18
CNX7:45 pmChiang Mai
32h 05m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Feb 22
IAD9:10 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
CNX6:05 amChiang Mai
$2,386
Find similar
Etihad Airways
Feb 18
CNX7:45 pmChiang Mai
32h 05m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Feb 22
IAD9:10 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
CNX6:05 amChiang Mai
$2,387
Find similar
Etihad Airways
Feb 18
CNX7:45 pmChiang Mai
32h 05m
2 stops
IAD3:50 pmWashington, D.C. Dulles Intl
Feb 22
IAD9:10 pmWashington, D.C. Dulles Intl
20h 55m
1 stop
CNX6:05 amChiang Mai
$2,388
Find similar

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
Nov 4
BKK11:15 pmBangkok Suvarnabhumi
22h 35m
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
$1,063
Find similar
Korean Air
Sep 16
BKK9:40 pmBangkok Suvarnabhumi
24h 15m
1 stop
IAD10:55 amWashington, D.C. Dulles Intl
Nov 29
IAD11:50 amWashington, D.C. Dulles Intl
24h 55m
1 stop
BKK12:45 amBangkok Suvarnabhumi
$1,091
Find similar
Korean Air
Nov 4
BKK11:15 pmBangkok Suvarnabhumi
22h 35m
1 stop
IAD9:50 amWashington, D.C. Dulles Intl
Nov 16
IAD11:50 amWashington, D.C. Dulles Intl
23h 30m
1 stop
BKK11:20 pmBangkok Suvarnabhumi
$1,094
Find similar

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 August 27, 2025.
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

Mon 11/3

8:15 am-8:59 pm

2 stops24h 44m

Washington, D.C. Dulles Intl

Mon 11/17

6:30 am-6:30 am

2 stops36h 00m

$972

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 9/22

1:20 am-9:38 am

2 stops43h 18m

Washington, D.C. Dulles Intl

Wed 10/22

1:30 pm-3:25 pm

1 stop38h 55m

$1,003

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 11/3

8:15 am-8:59 pm

2 stops24h 44m

Washington, D.C. Dulles Intl

Mon 11/17

1:30 pm-3:05 pm

1 stop37h 35m

$1,014

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 11/4

7:10 am-7:29 am

2 stops36h 19m

Washington, D.C. Dulles Intl

Tue 11/18

6:30 am-11:25 am

3 stops40h 55m

$1,039

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Mon 10/27

9:25 am-4:27 pm

2 stops42h 02m

Washington, D.C. Dulles Intl

Tue 11/4

6:30 am-12:05 am

2 stops29h 35m

$1,040

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Wed 12/24

2:20 pm-9:21 pm

2 stops43h 01m

Washington, D.C. Dulles Intl

Sat 1/10

11:05 am-6:30 am

1 stop31h 25m

$1,060

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 11/4

11:15 pm-9:50 am

1 stop22h 35m

Washington, D.C. Dulles Intl

Tue 11/18

11:50 am-11:20 pm

1 stop23h 30m

$1,063

BangkokWashington, D.C.

BKK - IAD

BKKIAD

Bangkok Suvarnabhumi

Tue 9/16

9:40 pm-10:55 am

1 stop24h 15m

Washington, D.C. Dulles Intl

Sat 11/29

11:50 am-12:45 am

1 stop24h 55m

$1,091

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/18

7:45 pm-3:55 pm

2 stops32h 10m

Washington, D.C. Dulles Intl

Sun 2/22

8:05 pm-7:00 pm

2 stops34h 55m

$1,395

Chiang MaiWashington, D.C.

CNX - IAD

CNXIAD

Chiang Mai

Wed 2/18

10:10 am-3:55 pm

2 stops41h 45m

Washington, D.C. Dulles Intl

Sun 2/22

8:05 pm-7:00 pm

2 stops34h 55m

$1,398

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 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 $1,033. 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 Thailand 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 Thailand 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 Thailand 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 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 $1,218 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 Thailand for as low as $1,092 on momondo.

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

You could potentially save up to 1% 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

Direct flights

None
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.
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  • 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
8,945 reviews
Search United Airlines flights
ANAPriceFrom $1,015Free CancellationRating
8.4
943 reviews
Search ANA flights
Korean AirPriceFrom $1,043Free CancellationRating
8.4
1,133 reviews
Search Korean Air flights
Qatar AirwaysPriceFrom $1,146Free CancellationRating
7.4
3,607 reviews
Search Qatar Airways flights
EmiratesPriceFrom $1,371Free CancellationRating
8.1
3,320 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
Arlington
National Harbor
Winchester
Woodbridge
Waldorf
Tysons
Laurel
Silver Spring
Colonial Beach
Fredericksburg
Harpers Ferry
Towson
Manassas
Rockville
Gaithersburg
Reston
Fairfax
Glen Burnie

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.

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