$393+ Cheap flights from Washington, D.C. (WAS) to Thailand
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/17. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BKK
Feb 27 — Mar 61
1 adult, Economy
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Cheapest flights from Washington, D.C. to ThailandExplore the most affordable flight options available from Washington, D.C. to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
Explore the most affordable flight options available from Washington, D.C. to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 28, 2026.
This Etihad Airways deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/302:35 pm
IAD
- BKK
1 stop28h 35m
Etihad Airways
Mon 2/92:55 am
BKK
- IAD
1 stop42h 10m
Etihad Airways
Deal found 1/26![Etihad Airways logo]()
$859
This KAYAK deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/43:10 pm
IAD
- BKK
1 stop28h 05m
Etihad Airways
Thu 4/239:45 am
BKK
- IAD
1 stop35h 00m
Etihad Airways
Deal found 1/28![Etihad Airways logo]()
$860
This Gotogate deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:35 pm
IAD
- BKK
1 stop20h 50m
Etihad Airways
Fri 3/208:40 pm
BKK
- IAD
1 stop24h 25m
Etihad Airways
Deal found 1/27![Etihad Airways logo]()
$861
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/231:20 pm
IAD
- BKK
1 stop28h 50m
Turkish Airlines
Thu 9/310:45 pm
BKK
- IAD
1 stop23h 50m
Turkish Airlines
Deal found 1/28![Turkish Airlines logo]()
$862
This FlightHub deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/183:35 pm
IAD
- BKK
1 stop20h 50m
Etihad Airways
Fri 3/278:05 am
BKK
- IAD
2 stops60h 40m
Etihad Airways
Deal found 1/27![Etihad Airways logo]()
$863
This Justfly.com deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/133:35 pm
IAD
- CNX
2 stops32h 45m
Etihad Airways
Sat 3/288:50 am
CNX
- IAD
1 stop35h 55m
Etihad Airways
Deal found 1/26![Etihad Airways logo]()
$870
This KAYAK deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/42:35 pm
IAD
- BKK
1 stop20h 50m
Etihad Airways
Fri 2/202:40 pm
BKK
- IAD
1 stop30h 25m
Etihad Airways
Deal found 1/27![Etihad Airways logo]()
$870
This FlightHub deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/129:05 pm
IAD
- BKK
1 stop35h 20m
Qatar Airways
Wed 3/182:00 am
BKK
- IAD
1 stop25h 55m
Qatar Airways
Deal found 1/26![Qatar Airways logo]()
$872
This oojo deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/67:04 pm
BWI
- BKK
2 stops34h 36m
Multiple Airlines
Wed 4/295:50 pm
BKK
- BWI
2 stops46h 54m
Multiple Airlines
Deal found 1/28![Multiple Airlines logo]()
$873
This oojo deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:10 pm
IAD
- BKK
1 stop28h 05m
Etihad Airways
Sun 4/199:45 am
BKK
- IAD
1 stop35h 00m
Etihad Airways
Deal found 1/27![Etihad Airways logo]()
$874
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/67:16 pm
BWI
- BKK
2 stops29h 44m
Multiple Airlines
Wed 5/201:10 pm
BKK
- BWI
2 stops28h 18m
Multiple Airlines
Deal found 1/26![Multiple Airlines logo]()
$875
This Justfly.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/33:10 pm
IAD
- BKK
1 stop28h 35m
Etihad Airways
Sat 5/29:55 am
BKK
- IAD
2 stops58h 50m
Etihad Airways
Deal found 1/27![Etihad Airways logo]()
$876
Find flight deals from Washington, D.C. to Thailand
Keep the following information in mind while searching for Washington, D.C. to Thailand flight deals. Data was last updated January 28, 2026.
Round-trip from | $859 (oojo) |
|---|---|
One-way from | $393 (Kiwi.com) |
Popular in | December |
Cheapest in | September |
Average price | $1,054 |
Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Thailand that are best for you.
Fly from
Washington, D.C.
Fly to
Thailand
Route
Depart
Return
Price
Washington, D.C.Chiang Mai
IAD - CNX
IADCNX
Washington, D.C. Dulles Intl
Fri 3/13
3:35 pm-11:20 am
2 stops32h 45m
Chiang Mai
Sat 3/28
8:50 am-9:45 am
1 stop35h 55m
$870
Washington, D.C.Bangkok
DCA - BKK
DCABKK
Washington, D.C. Reagan-National
Mon 2/16
7:35 am-12:55 am
2 stops29h 20m
Bangkok Suvarnabhumi
Tue 6/9
11:30 pm-11:28 pm
2 stops34h 58m
$930
Washington, D.C.Bangkok
IAD - BKK
IADBKK
Washington, D.C. Dulles Intl
Tue 4/14
7:14 pm-11:40 pm
2 stops41h 26m
Bangkok Suvarnabhumi
Wed 4/29
9:50 am-11:55 pm
2 stops25h 05m
$930
Washington, D.C.Bangkok
IAD - BKK
IADBKK
Washington, D.C. Dulles Intl
Thu 7/16
12:15 pm-4:35 am
1 stop29h 20m
Bangkok Suvarnabhumi
Thu 7/23
9:35 am-6:03 am
2 stops31h 28m
$931
Washington, D.C.Bangkok
IAD - BKK
IADBKK
Washington, D.C. Dulles Intl
Mon 7/20
10:08 am-4:35 am
2 stops31h 27m
Bangkok Suvarnabhumi
Thu 7/30
9:35 am-7:13 am
2 stops32h 38m
$935
Washington, D.C.Bangkok
IAD - BKK
IADBKK
Washington, D.C. Dulles Intl
Mon 4/13
7:27 pm-9:35 am
2 stops27h 08m
Bangkok Suvarnabhumi
Mon 4/20
9:35 am-7:27 am
2 stops32h 52m
$935
Washington, D.C.Bangkok
IAD - BKK
IADBKK
Washington, D.C. Dulles Intl
Mon 4/13
7:27 pm-9:35 am
2 stops27h 08m
Bangkok Suvarnabhumi
Wed 4/29
7:00 am-1:25 am
2 stops29h 25m
$938
Washington, D.C.Bangkok
DCA - BKK
DCABKK
Washington, D.C. Reagan-National
Tue 5/5
9:00 am-11:55 pm
2 stops27h 55m
Bangkok Suvarnabhumi
Wed 5/20
7:00 am-9:05 pm
2 stops25h 05m
$941
Washington, D.C.Bangkok
DCA - BKK
DCABKK
Washington, D.C. Reagan-National
Tue 4/14
3:30 pm-9:35 am
3 stops31h 05m
Bangkok Suvarnabhumi
Thu 4/30
7:00 am-9:31 pm
2 stops25h 31m
$943
Washington, D.C.Bangkok
DCA - BKK
DCABKK
Washington, D.C. Reagan-National
Wed 2/25
3:30 pm-11:25 am
3 stops31h 55m
Bangkok Suvarnabhumi
Tue 3/10
4:55 pm-9:29 am
3 stops27h 34m
$950
Showing 1-10 of 60 results
Best time to book a flight from Washington, D.C. to Thailand
Have a flexible travel schedule? Discover the best time to fly to Thailand from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. to Thailand
What is the cheapest month to book a flight from Washington, D.C. to Thailand?
Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Thailand (average of $627). Flying from Washington, D.C. to Thailand in December is currently the most expensive (average of $914). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from WAS to TH?
Find hourly flight availability from Washington, D.C. to Thailand. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 28, 2026.
It’s optimal to fly from Washington, D.C. to Thailand in the evening. By choosing this option you can save up to 37% on the cost of your flight, compared to a flight at noon.
What is the cheapest day to fly from Washington, D.C. to Thailand?
Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Thailand. Price data was last updated on March 30, 2025.
Travelers seeking maximum savings on their Washington, D.C. to Thailand flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Reviews of airlines servicing Thailand
Get insights into the airlines that provide service to Thailand. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Thailand. Reviews last updated January 28, 2026.
Get a feel of what it's like to fly with Qatar Airways, United Airlines, and Etihad Airways from Washington, D.C. to Thailand by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.4
Entertainment
7.4
Crew
7.9
Food
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Entertainment
7.4
Crew
7.9
Food
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Entertainment
7.4
Crew
7.9
Food
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Entertainment
7.4
Crew
7.9
Food
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Entertainment
7.4
Crew
7.9
Food
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Comfort
7.4
Entertainment
7.4
Crew
7.9
Food
7.3
Boarding
7.5
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Related info for your journey
Find useful and relevant information for your journey from Washington, D.C. to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Washington, D.C. to Thailand
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Washington, D.C. to Thailand
Discover the top 10 airlines that operate flights from Washington, D.C. to Thailand. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$1,114 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$565 | Average$848 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$597 | Average$1,566 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$639 | Average$1,172 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$673 | Average$1,178 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$714 | Average$914 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$787 | Average$1,042 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$798 | Average$1,269 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$818 | Average$1,187 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$849 | Average$1,187 | FlexibilityNo cancel fee | On-time77% |