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Cheap flights from Washington, D.C. to Thailand from $353

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Thailand departing on 1/13. 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

Enter your travel dates to find the best prices.
Qatar Airways Logo
8:05 pm - 1:05 pmIAD-BKK
29h 00m1 stop
Qatar Airways Logo
2:00 am - 3:55 pmBKK-IAD
25h 55m1 stop
$852Qatar Airways
Find Deal
Thu, Feb 12 - Sun, Feb 22
Etihad Airways Logo
2:35 pm - 6:45 pmIAD-BKK
40h 10m1 stop
Etihad Airways Logo
8:00 am - 9:45 amBKK-IAD
60h 45m2 stops
$853Etihad Airways
Find Deal
Mon, Mar 2 - Mon, Apr 6
Etihad Airways Logo
2:35 pm - 6:00 pmIAD-BKK
39h 25m1 stop
Etihad Airways Logo
9:55 am - 9:45 amBKK-IAD
58h 50m2 stops
$855Etihad Airways
Find Deal
Mon, Mar 2 - Mon, Apr 6
Turkish Airlines Logo
1:20 pm - 9:45 amIAD-BKK
33h 25m1 stop
Turkish Airlines Logo
6:40 am - 11:35 amBKK-IAD
39h 55m1 stop
$860Turkish Airlines
Find Deal
Mon, Apr 13 - Thu, Apr 16
Korean Air Logo
11:50 am - 12:55 amIAD-BKK
25h 05m1 stop
Korean Air Logo
9:40 am - 9:50 amBKK-IAD
36h 10m1 stop
$863Korean Air
Find Deal
Mon, Jan 12 - Wed, Jan 28
United Airlines Logo
10:30 am - 5:10 amDCA-BKK
30h 40m2 stops
United Airlines Logo
7:10 am - 8:56 pmBKK-DCA
25h 46m2 stops
$936United Airlines
Find Deal
Mon, Nov 24 - Tue, Dec 2
United Airlines Logo
7:00 pm - 5:10 amDCA-BKK
46h 10m2 stops
United Airlines Logo
9:10 am - 1:49 pmBKK-DCA
40h 39m3 stops
$939United Airlines
Find Deal
Sun, Dec 28 - Mon, Jan 5
Qatar Airways Logo
8:05 pm - 6:40 amIAD-HKT
22h 35m1 stop
Qatar Airways Logo
9:50 pm - 3:55 pmHKT-IAD
30h 05m2 stops
$948Qatar Airways
Find Deal
Tue, Feb 3 - Tue, Feb 17
Turkish Airlines Logo
9:15 pm - 3:50 pmIAD-HKT
30h 35m1 stop
Turkish Airlines Logo
10:25 pm - 7:20 pmHKT-IAD
32h 55m1 stop
$982Turkish Airlines
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Thu, Dec 4 - Tue, Dec 16
Korean Air Logo
7:51 pm - 10:55 pmIAD-CNX
39h 04m2 stops
Korean Air Logo
12:15 am - 7:12 pmCNX-IAD
29h 57m2 stops
$1,064Korean Air
Find Deal
Sun, Mar 1 - Tue, Mar 10

Etihad Airways flights from Washington, D.C. to Thailand

Our best Etihad Airways deals on Washington, D.C. to Thailand flight tickets
Etihad Airways
Mar 2
IAD2:35 pmWashington, D.C. Dulles Intl
40h 10m
1 stop
BKK6:45 pmBangkok Suvarnabhumi
Apr 6
BKK8:00 amBangkok Suvarnabhumi
60h 45m
2 stops
IAD9:45 amWashington, D.C. Dulles Intl
$853
Find similar
Etihad Airways
Mar 2
IAD2:35 pmWashington, D.C. Dulles Intl
39h 25m
1 stop
BKK6:00 pmBangkok Suvarnabhumi
Apr 6
BKK9:55 amBangkok Suvarnabhumi
58h 50m
2 stops
IAD9:45 amWashington, D.C. Dulles Intl
$855
Find similar
Etihad Airways
Mar 13
IAD3:35 pmWashington, D.C. Dulles Intl
32h 45m
2 stops
CNX11:20 amChiang Mai
Mar 28
CNX8:50 amChiang Mai
35h 55m
1 stop
IAD9:45 amWashington, D.C. Dulles Intl
$860
Find similar

ANA flights from Washington, D.C. to Thailand

Our best ANA deals on Washington, D.C. to Thailand flight tickets
ANA
Dec 1
IAD11:10 amWashington, D.C. Dulles Intl
30h 00m
1 stop
BKK5:10 amBangkok Suvarnabhumi
Dec 10
BKK10:25 pmBangkok Suvarnabhumi
22h 45m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$872
Find similar
ANA
Jan 28
IAD1:05 pmWashington, D.C. Dulles Intl
28h 05m
2 stops
BKK5:10 amBangkok Suvarnabhumi
Feb 10
BKK10:25 pmBangkok Suvarnabhumi
22h 45m
1 stop
IAD9:10 amWashington, D.C. Dulles Intl
$876
Find similar
ANA
Dec 1
IAD11:10 amWashington, D.C. Dulles Intl
31h 20m
1 stop
BKK6:30 amBangkok Suvarnabhumi
Apr 29
BKK9:35 pmBangkok Suvarnabhumi
23h 30m
1 stop
IAD10:05 amWashington, D.C. Dulles Intl
$880
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Thailand 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 November 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Thailand that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Thu 2/12

8:05 pm-1:05 pm

1 stop29h 00m

Bangkok Suvarnabhumi

Sun 2/22

2:00 am-3:55 pm

1 stop25h 55m

$852

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-6:45 pm

1 stop40h 10m

Bangkok Suvarnabhumi

Mon 4/6

8:00 am-9:45 am

2 stops60h 45m

$853

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 3/2

2:35 pm-6:00 pm

1 stop39h 25m

Bangkok Suvarnabhumi

Mon 4/6

9:55 am-9:45 am

2 stops58h 50m

$855

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 4/13

1:20 pm-9:45 am

1 stop33h 25m

Bangkok Suvarnabhumi

Thu 4/16

6:40 am-11:35 am

1 stop39h 55m

$860

Washington, D.C.Bangkok

IAD - BKK

IADBKK

Washington, D.C. Dulles Intl

Mon 1/12

11:50 am-12:55 am

1 stop25h 05m

Bangkok Suvarnabhumi

Wed 1/28

9:40 am-9:50 am

1 stop36h 10m

$863

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Mon 11/24

10:30 am-5:10 am

2 stops30h 40m

Bangkok Suvarnabhumi

Tue 12/2

7:10 am-8:56 pm

2 stops25h 46m

$936

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Sun 12/28

7:00 pm-5:10 am

2 stops46h 10m

Bangkok Suvarnabhumi

Mon 1/5

9:10 am-1:49 pm

3 stops40h 39m

$939

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Tue 2/3

8:05 pm-6:40 am

1 stop22h 35m

Phuket City

Tue 2/17

9:50 pm-3:55 pm

2 stops30h 05m

$948

Washington, D.C.Phuket City

IAD - HKT

IADHKT

Washington, D.C. Dulles Intl

Thu 12/4

9:15 pm-3:50 pm

1 stop30h 35m

Phuket City

Tue 12/16

10:25 pm-7:20 pm

1 stop32h 55m

$982

Washington, D.C.Chiang Mai

IAD - CNX

IADCNX

Washington, D.C. Dulles Intl

Sun 3/1

7:51 pm-10:55 pm

2 stops39h 04m

Chiang Mai

Tue 3/10

12:15 am-7:12 pm

2 stops29h 57m

$1,064

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 Thailand from

How to get the cheapest flight ticket from Washington, D.C. to Thailand

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 Thailand?

The month of September is, on average, the cheapest month to fly to Thailand from Washington, D.C., with most prices found around $964. If you are unable to visit Thailand during the month of September, then departing from Washington, D.C. during the month October is also very affordable. Most momondo users find prices during this month for around $1,033.

What is the cheapest day to depart on your flight to Thailand?

The cheapest day to depart on your flight to Thailand is on a Saturday when prices can be found for as low as $1,182. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Thailand is Friday, with ticket prices averaging around $1,353.

What is the cheapest time of day to depart on your flight to Thailand?

Flying to Thailand from Washington, D.C. in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,113 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Thailand is in the morning when prices are around $1,342.

How far in advance should I book a flight to Thailand?

You are more likely to see cheaper flights to Thailand from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Thailand for around $1,193 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thailand from Washington, D.C. for as low as $1,025 on momondo.

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

You could potentially save up to 12% on your flight if you consider stops on a Washington, D.C. to Thailand flight.

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

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

Direct flights

None
There are no direct flights from Washington, D.C. to Thailand. There are no popular flight routes from Washington, D.C. to Thailand.
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  • When did momondo last update prices for flights from Washington, D.C. to Thailand?

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

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

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

    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 Washington, D.C. to Thailand.

  • What documentation or ID do you need to fly to Thailand?

    The travel and health documents you'll need for your trip to Thailand may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Thailand. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Thailand

Compare and see reviews for airlines that fly from Washington, D.C. to Thailand with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom $565Free CancellationRating
7.2
126 reviews
Search Air China flights
Air IndiaPriceFrom $700Free CancellationRating
5.5
2,942 reviews
Search Air India flights
Korean AirPriceFrom $743Free CancellationRating
8.4
1,167 reviews
Search Korean Air flights
DeltaPriceFrom $798Free CancellationRating
7.9
8,003 reviews
Search Delta flights
Etihad AirwaysPriceFrom $829Free CancellationRating
7.4
1,305 reviews
Search Etihad Airways flights
Qatar AirwaysPriceFrom $852Free CancellationRating
7.4
3,664 reviews
Search Qatar Airways flights
Turkish AirlinesPriceFrom $895Free CancellationRating
7.3
4,047 reviews
Search Turkish Airlines flights
ANAPriceFrom $896Free CancellationRating
8.4
1,007 reviews
Search ANA flights
JetBluePriceFrom $900Free CancellationRating
7.2
2,903 reviews
Search JetBlue flights
Alaska AirlinesPriceFrom $920Free CancellationRating
8.0
11,316 reviews
Search Alaska Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Thailand for you.

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

All flight searches from Washington, D.C. to Thailand on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Washington, D.C. and Thailand by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Washington, D.C. to Thailand now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Thailand and let you know when they change.

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