$519+ Cheap flights from Thailand to Washington, D.C. (WAS)
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 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Thailand to Washington, D.C. with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Thailand to Washington, D.C.
Keep the following information in mind while searching for Thailand to Washington, D.C. flight deals. Data was last updated May 20, 2025.
Round-trip from | $969 (FlightHub) |
|---|---|
One-way from | $540 (Kiwi.com) |
Popular in | August |
Cheapest in | November |
Average price | $1,127 |
Find flight deals from Thailand to Washington, D.C.
Cheapest flights from Thailand to Washington, D.C.Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.
Explore the most affordable flight options available from Thailand to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.
This FlightHub deal was found by Cheapflights users on 5/19. 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.
This Korean Air deal was found by Cheapflights users on 5/20. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Ovago deal was found by Cheapflights users on 5/19. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 5/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 5/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Gotogate deal was found by Cheapflights users on 5/18. 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.
This Mytrip deal was found by Cheapflights users on 5/18. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 5/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 5/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This SWISS deal was found by Cheapflights users on 5/19. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 5/19. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 5/19. 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.
Cheapflights Fare Finder
Customize your flight search to find flights from Thailand to Washington, D.C. 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 May 20, 2025.
Use the filters below to find and compare flights from Thailand to Washington, D.C. that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Sun 7/20
3:25 pm-3:45 pm
1 stop35h 20m
Washington, D.C. Dulles Intl
Mon 8/18
6:50 pm-12:10 am
2 stops42h 20m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Wed 6/25
9:50 am-11:15 am
1 stop36h 25m
Washington, D.C. Dulles Intl
Thu 7/3
1:30 pm-1:05 am
1 stop24h 35m
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Fri 6/6
10:05 pm-4:22 pm
2 stops29h 17m
Washington, D.C. Reagan-National
Sat 6/21
6:00 am-5:50 am
2 stops36h 50m
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Thu 7/10
7:00 am-9:27 pm
2 stops25h 27m
Washington, D.C. Reagan-National
Thu 7/24
6:25 am-4:35 am
2 stops35h 10m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Tue 6/10
9:35 am-6:39 am
2 stops32h 04m
Washington, D.C. Dulles Intl
Thu 7/10
5:13 pm-11:55 pm
2 stops43h 42m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Thu 7/10
3:50 pm-7:45 pm
2 stops38h 55m
Washington, D.C. Dulles Intl
Thu 7/24
1:30 pm-11:25 pm
1 stop22h 55m
BangkokBaltimore
BKK - BWI
BKKBWI
Bangkok Suvarnabhumi
Thu 7/3
1:30 pm-11:47 am
3 stops33h 17m
Baltimore/Washington
Thu 7/10
6:22 pm-12:15 pm
2 stops30h 53m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Tue 6/24
2:35 am-5:59 am
2 stops38h 24m
Washington, D.C. Dulles Intl
Thu 7/3
7:40 am-9:45 pm
2 stops27h 05m
BangkokWashington, D.C.
BKK - DCA
BKKDCA
Bangkok Suvarnabhumi
Mon 6/2
2:35 am-8:36 pm
2 stops29h 01m
Washington, D.C. Reagan-National
Sun 6/29
6:10 am-11:25 pm
2 stops30h 15m
BangkokWashington, D.C.
BKK - IAD
BKKIAD
Bangkok Suvarnabhumi
Sun 7/20
12:50 pm-4:15 pm
1 stop38h 25m
Washington, D.C. Dulles Intl
Mon 8/18
8:45 pm-9:45 am
1 stop26h 00m
Best time to book a flight from Thailand to Washington, D.C.
Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Thailand with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Thailand to Washington, D.C.
What is the cheapest month to book a flight from Thailand to Washington, D.C.?
Currently, August is the cheapest month in which you can book a flight from Thailand to Washington, D.C. (average of $241). Flying from Thailand to Washington, D.C. in March is currently the most expensive (average of $290). 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 TH to WAS?
Find hourly flight availability from Thailand to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 20, 2025.
When flying from Thailand to Washington, D.C., the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.
Temperature in Washington, D.C. by month
Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Washington, D.C., use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing Washington, D.C.
Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated May 20, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Thailand to Washington, D.C. by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Anonymous,May 2025
TPE - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Anonymous,May 2025
TPE - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Anonymous,May 2025
TPE - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Anonymous,May 2025
TPE - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Anonymous,May 2025
TPE - SEA
Entertainment
Overall
Boarding
Comfort
Crew
Food
Reviews
Anonymous,May 2025
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from Thailand to Washington, D.C.. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Thailand?
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Alternative routes for Thailand to Washington, D.C.
See prices for flight routes from nearby airports that may be better suited for you.
Top 8 airlines flying from Thailand to Washington, D.C.
Discover the top 8 airlines that operate flights from Thailand to Washington, D.C.. 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 May 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$854 | Average$1,302 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$977 | Average$1,106 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$999 | Average$1,288 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$1,043 | Average$1,246 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$1,201 | Average$1,373 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,287 | Average$1,448 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$1,351 | Average$1,443 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,371 | Average$1,523 | FlexibilityNo cancel fee | On-time75% |