Thailand

$589+ Cheap flights from Reagan-National (DCA) 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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — BKK
may. 6 — may. 131
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Cheap flight deals from Reagan-National to Thailand

Keep the following information in mind while searching for Reagan-National to Thailand flight deals. Data was last updated mayo 1, 2025.

Round-trip from

$994
(StudentUniverse)

One-way from

$589
(Kiwi.com)

Popular in

December

Cheapest in

September

Average price

$1,282
From Washington, D.C. Reagan-National to Thailand
One-way flight from Washington, D.C. Reagan-National to Thailand
Highest demand for flights based on searches. 9% potential increase in price ($127 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Average for round-trip flights in May 2025

Find flight deals from Reagan-National to Thailand

Cheapest flights from Reagan-National to Thailand
Explore the most affordable flight options available from Reagan-National to Thailand. Find the lowest fares from popular airlines and budget airlines, with prices last updated on mayo 1, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/611:55 amDCA - BKK
2 stops24h 55mCathay Pacific
mié. 5/2112:30 pmBKK - DCA
2 stops31h 59mCathay Pacific
Deal found 4/29$994
This China Airlines deal was found by Cheapflights users on 4/30. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/185:30 pmDCA - BKK
2 stops28h 20mMultiple Airlines
mar. 2/105:50 pmBKK - DCA
2 stops34h 25mMultiple Airlines
Deal found 4/30$1,063
This oojo deal was found by Cheapflights users on 4/30. 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.
dom. 5/410:00 pmDCA - HKT
2 stops49h 50mCathay Pacific
mié. 7/166:20 pmHKT - DCA
2 stops39h 51mCathay Pacific
Deal found 4/30$1,065
This oojo deal was found by Cheapflights users on 4/30. 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.
mar. 9/25:06 pmDCA - BKK
2 stops32h 04mChina Airlines
mié. 9/245:30 pmBKK - DCA
2 stops35h 29mChina Airlines
Deal found 4/30$1,077
This oojo deal was found by Cheapflights users on 4/30. 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.
lun. 9/15:06 pmDCA - BKK
2 stops32h 59mEVA Air
lun. 9/291:35 amBKK - DCA
2 stops27h 24mEVA Air
Deal found 4/30$1,154
This FlightHub deal was found by Cheapflights users on 4/30. 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.
lun. 8/119:59 amDCA - BKK
3 stops38h 01mSingapore Airlines
lun. 8/253:30 pmBKK - DCA
2 stops40h 29mSingapore Airlines
Deal found 4/30$1,166
This FlightHub deal was found by Cheapflights users on 4/30. 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.
mié. 9/178:59 amDCA - HKT
2 stops37h 06mSingapore Airlines
lun. 9/223:05 pmHKT - DCA
2 stops40h 54mSingapore Airlines
Deal found 4/30$1,197
This Cathay Pacific deal was found by Cheapflights users on 4/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/41:12 pmDCA - HKT
2 stops34h 08mMultiple Airlines
mar. 11/1112:20 pmHKT - DCA
2 stops32h 32mMultiple Airlines
Deal found 4/30$1,229
This oojo deal was found by Cheapflights users on 4/30. 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.
jue. 5/16:35 pmDCA - CNX
2 stops28h 50mEVA Air
dom. 5/1111:35 amCNX - DCA
2 stops44h 23mEVA Air
Deal found 4/30$1,235
This oojo deal was found by Cheapflights users on 4/30. 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.
mié. 10/16:55 pmDCA - BKK
2 stops24h 20mQatar Airways
dom. 11/96:55 pmBKK - DCA
2 stops35h 06mQatar Airways
Deal found 4/30$1,240
This Travelocity deal was found by Cheapflights users on 4/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/105:02 pmDCA - CNX
2 stops43h 38mMultiple Airlines
vie. 8/2212:45 amCNX - DCA
2 stops31h 14mMultiple Airlines
Deal found 4/30$1,244
This oojo deal was found by Cheapflights users on 4/30. 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.
jue. 5/86:35 pmDCA - CNX
2 stops28h 45mChina Airlines
dom. 5/1811:20 amCNX - DCA
2 stops45h 39mChina Airlines
Deal found 4/30$1,247

Cheapflights Fare Finder

Customize your flight search to find flights from Reagan-National 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 mayo 1, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Thailand that are best for you.

Fly from

Reagan-National

Fly to

Thailand

Route

Depart

Return

Price

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mar. 5/6

11:55 am-11:50 pm

2 stops24h 55m

Bangkok Suvarnabhumi

mié. 5/21

12:30 pm-9:29 am

2 stops31h 59m

$994

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

dom. 5/4

10:00 pm-10:50 am

2 stops49h 50m

Phuket City

mié. 7/16

6:20 pm-11:11 pm

2 stops39h 51m

$1,065

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

lun. 5/5

6:35 pm-12:10 pm

2 stops30h 35m

Bangkok Suvarnabhumi

dom. 5/11

2:40 am-8:58 pm

2 stops53h 18m

$1,136

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

dom. 5/4

6:35 pm-10:25 am

2 stops28h 50m

Bangkok Suvarnabhumi

mar. 5/6

4:45 pm-8:58 pm

2 stops39h 13m

$1,168

Washington, D.C.Chiang Mai

DCA - CNX

DCACNX

Washington, D.C. Reagan-National

jue. 5/8

6:35 pm-10:20 am

2 stops28h 45m

Chiang Mai

dom. 5/18

11:20 am-9:59 pm

2 stops45h 39m

$1,247

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mié. 7/30

9:59 am-8:15 am

3 stops35h 16m

Bangkok Suvarnabhumi

jue. 8/28

3:30 pm-8:59 pm

2 stops40h 29m

$1,352

Washington, D.C.Phuket City

DCA - HKT

DCAHKT

Washington, D.C. Reagan-National

dom. 5/4

8:59 am-5:10 pm

3 stops45h 11m

Phuket City

mié. 7/16

11:40 am-9:42 pm

2 stops45h 02m

$1,395

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

vie. 5/30

11:00 am-7:40 am

2 stops33h 40m

Bangkok Suvarnabhumi

vie. 6/6

10:25 pm-10:28 pm

2 stops35h 03m

$1,448

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mié. 5/28

8:00 am-5:30 am

2 stops34h 30m

Bangkok Suvarnabhumi

mié. 6/4

7:05 am-10:36 pm

2 stops26h 31m

$1,454

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

mar. 6/3

9:40 am-9:55 pm

2 stops25h 15m

Bangkok Suvarnabhumi

vie. 6/6

7:35 am-9:53 pm

2 stops25h 18m

$1,546

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 42 results
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Best time to book a flight from Reagan-National to Thailand

Have a flexible travel schedule? Discover the best time to fly to Thailand from Reagan-National 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. Reagan-National Airport to Thailand

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Thailand?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Thailand (average of $955). Flying from Washington, D.C. Reagan-National Airport to Thailand in December is currently the most expensive (average of $1,574). 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 DCA to TH?

Find hourly flight availability from Reagan-National 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 mayo 1, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to Thailand as you normally would.

Rainfall in Thailand by month

Plan your trip to Thailand by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Thailand ranges from 0.4 - 12.6 inches per month. September is typically the wettest month, when rainfall can reach 12.6 in. January is typically the driest time to visit Thailand when rainfall is around 0.4 in.

Temperature in Thailand by month

Plan your trip to Thailand by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Thailand, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 78.8 F).

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 mayo 1, 2025.
Read reviews from past customers who have flown EVA Air, China Airlines and Singapore Airlines from Washington, D.C. to Thailand. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop
8.0
Very good

Overall

8.4

Comfort

8.3

Boarding

8.4

Food

8.1

Crew

8.6

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,Apr 2025

SFO - TPE

Great experience. Check in process was excellent - both online and bag drop

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Thailand. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Thailand one-way?

    The cheapest airline one-way is Cathay Pacific, with whom users have recently found tickets for as low as $624. However, be on the lookout for offers from China Airlines and EVA Air, as they are both options that can get you from Washington, D.C. Reagan-National Airport to Thailand for a low price.

  • What are the most popular routes from Washington, D.C. Reagan-National Airport to Thailand?

  • Can I find deals for flights from Reagan-National to Thailand that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Thailand flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Thailand?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Thailand.

  • Can I find deals for business class flights from Reagan-National to Thailand?

    Yes. Cheapflights offers flight deals from Reagan-National to Thailand by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Thailand?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Thailand (average of $955). Flying from Washington, D.C. Reagan-National Airport to Thailand in December is currently the most expensive (average of $1,574). 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.

See more FAQs

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Alternative routes for Reagan-National to Thailand

See prices for flight routes from nearby airports that may be better suited for you.

Top 4 airlines flying from Reagan-National to Thailand

Discover the top 4 airlines that operate flights from Reagan-National 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 mayo 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$978Average$1,218FlexibilityNo cancel feeOn-time68%
American AirlinesCheapest$1,065Average$1,224FlexibilityNo cancel feeOn-time71%
Cathay PacificCheapest$1,120Average$1,366FlexibilityNo cancel feeOn-time72%
Air CanadaCheapest$1,206Average$1,480FlexibilityNo cancel feeOn-time67%

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