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Reagan-National

$611+ Cheap flights from Suvarnabhumi (BKK) to Reagan-National (DCA)

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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
BKK — DCA
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
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Cheap flight deals from Suvarnabhumi to Reagan-National

Cheapest flights from Suvarnabhumi to Reagan-National
Explore the most affordable flight options available from Suvarnabhumi to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2026.

This SmartFares deal was found by Cheapflights users on 1/20. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:15 pm
BKK
-
DCA
2 stops38h 50m
Multiple Airlines
Thu 5/79:59 am
DCA
-
BKK
2 stops37h 26m
Multiple Airlines
Deal found 1/20$978
This oojo deal was found by Cheapflights users on 1/21. 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 3/22:15 am
BKK
-
DCA
2 stops29h 50m
EVA Air
Thu 5/79:59 am
DCA
-
BKK
2 stops37h 26m
EVA Air
Deal found 1/21$1,015
This Expedia deal was found by Cheapflights users on 1/21. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/32:15 am
BKK
-
DCA
2 stops29h 45m
Multiple Airlines
Sat 2/79:59 am
DCA
-
BKK
2 stops49h 41m
Multiple Airlines
Deal found 1/21$1,032
This oojo deal was found by Cheapflights users on 1/21. 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 4/2012:25 pm
BKK
-
DCA
2 stops40h 16m
EVA Air
Mon 5/119:59 am
DCA
-
BKK
2 stops37h 56m
EVA Air
Deal found 1/21$1,034
This oojo deal was found by Cheapflights users on 1/20. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/22:15 am
BKK
-
DCA
2 stops29h 50m
EVA Air
Wed 4/89:59 am
DCA
-
BKK
2 stops37h 56m
EVA Air
Deal found 1/20$1,043
This oojo deal was found by Cheapflights users on 1/21. 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.
Fri 3/62:15 am
BKK
-
DCA
2 stops29h 50m
EVA Air
Sat 3/146:59 pm
DCA
-
BKK
2 stops29h 11m
EVA Air
Deal found 1/21$1,064
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/37:10 am
BKK
-
DCA
3 stops27h 26m
United Airlines
Fri 2/68:00 pm
DCA
-
BKK
3 stops51h 25m
United Airlines
Deal found 1/20$1,065
This Trip.com deal was found by Cheapflights users on 1/21. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/222:40 pm
BKK
-
DCA
2 stops41h 20m
Multiple Airlines
Thu 1/296:56 pm
DCA
-
BKK
2 stops42h 29m
Multiple Airlines
Deal found 1/21$1,067
This United Airlines deal was found by Cheapflights users on 1/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 am
BKK
-
DCA
2 stops27h 59m
United Airlines
Sun 5/32:00 pm
DCA
-
BKK
3 stops32h 35m
United Airlines
Deal found 1/20$1,070
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Fri 2/204:55 pm
BKK
-
DCA
3 stops29h 00m
United Airlines
Mon 3/26:00 am
DCA
-
BKK
2 stops30h 20m
United Airlines
Deal found 1/19$1,073
This United Airlines deal was found by Cheapflights users on 1/21. 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.
Fri 2/204:55 pm
BKK
-
DCA
3 stops29h 00m
United Airlines
Tue 3/35:50 pm
DCA
-
BKK
2 stops42h 30m
United Airlines
Deal found 1/21$1,082

Find flight deals from Suvarnabhumi to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Suvarnabhumi (BKK) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
1 star

Round-trip from

$978
(SmartFares)

One-way from

$611
(KAYAK)

Popular in

August

Cheapest in

October

Average price

$1,275
Provider with most accurate pricing for Bangkok Suvarnabhumi-Washington, D.C. Reagan-National flight deals.
Search Deals
Provider most trusted by Cheapflights users for Bangkok Suvarnabhumi-Washington, D.C. Reagan-National flights.
Search Deals
From Bangkok Suvarnabhumi to Washington, D.C. Reagan-National
Search Deals
One-way flight from Bangkok Suvarnabhumi to Washington, D.C. Reagan-National
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($23 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Suvarnabhumi to Reagan-National 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 21, 2026.
Use the filters below to find and compare flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Suvarnabhumi

Fly to

Reagan-National

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 3/2

5:15 pm-8:05 pm

2 stops38h 50m

Washington, D.C. Reagan-National

Thu 5/7

9:59 am-10:25 am

2 stops37h 26m

$978

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 3/2

2:15 am-8:05 pm

2 stops29h 50m

Washington, D.C. Reagan-National

Thu 5/7

9:59 am-10:25 am

2 stops37h 26m

$1,015

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 3/2

2:40 pm-8:05 pm

2 stops41h 25m

Washington, D.C. Reagan-National

Mon 4/27

6:59 pm-10:55 am

2 stops28h 56m

$1,032

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 2/3

2:15 am-8:00 pm

2 stops29h 45m

Washington, D.C. Reagan-National

Sat 2/7

9:59 am-11:40 pm

2 stops49h 41m

$1,032

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 4/20

12:25 pm-5:41 pm

2 stops40h 16m

Washington, D.C. Reagan-National

Mon 5/11

9:59 am-10:55 am

2 stops37h 56m

$1,034

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 3/2

2:15 am-8:05 pm

2 stops29h 50m

Washington, D.C. Reagan-National

Wed 4/8

9:59 am-10:55 am

2 stops37h 56m

$1,043

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 3/6

2:15 am-8:05 pm

2 stops29h 50m

Washington, D.C. Reagan-National

Sat 3/14

6:59 pm-11:10 am

2 stops29h 11m

$1,064

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 2/3

7:10 am-10:36 pm

3 stops27h 26m

Washington, D.C. Reagan-National

Fri 2/6

8:00 pm-11:25 am

3 stops51h 25m

$1,065

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Mon 4/27

7:00 am-11:59 pm

2 stops27h 59m

Washington, D.C. Reagan-National

Sun 5/3

2:00 pm-9:35 am

3 stops32h 35m

$1,070

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 2/20

4:55 pm-9:55 am

3 stops29h 00m

Washington, D.C. Reagan-National

Mon 3/2

6:00 am-12:20 am

2 stops30h 20m

$1,073

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 22 results
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2
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  • Most accurate provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Washington, D.C. Reagan-National Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Bangkok Suvarnabhumi Airport-Washington, D.C. Reagan-National Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Bangkok Suvarnabhumi Airport-Washington, D.C. Reagan-National Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangkok Suvarnabhumi Airport-Washington, D.C. Reagan-National Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Suvarnabhumi Airport-Washington, D.C. Reagan-National Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Suvarnabhumi to Reagan-National

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

Reviews of airlines servicing Reagan-National

Get insights into the airlines that provide service to Reagan-National. 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 Reagan-National. Reviews last updated January 21, 2026.
Read reviews from past customers who have flown United Airlines from Bangkok Suvarnabhumi Airport to Washington, D.C. Reagan-National Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,191 reviews

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,191 reviews
United Airlines
7.4
Good
9,191 reviews

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Suvarnabhumi to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Bangkok Suvarnabhumi Airport to Washington, D.C. Reagan-National Airport?

    Departing from Bangkok Suvarnabhumi Airport to Washington, D.C. Reagan-National Airport will take you 29h 50m. Airlines will cover a distance of 8797 mi.

  • What is the cheapest airline to fly from Bangkok Suvarnabhumi Airport to Washington, D.C. Reagan-National Airport round-trip?

    Cheapflights users have booked flights from Bangkok Suvarnabhumi Airport to Washington, D.C. Reagan-National Airport round-trip from $1,038.

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

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

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

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

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

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

See more FAQs

Traveling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Suvarnabhumi to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Suvarnabhumi to Dulles Intl flights
Suvarnabhumi to Baltimore flights

Top airline flying from Suvarnabhumi to Reagan-National

Discover the top airline that operate flights from Suvarnabhumi to Reagan-National. 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 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,038Average$1,054FlexibilityNo cancel feeOn-time69%

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