฿21,290+ Cheap flights to Reagan-National

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
— DCA
20 Aug — 27 Aug1
1 adult
1 adult, Economy, 0 bags

Flights to Reagan-National in 2026

Enter your travel dates to find the best prices.

Cheapest flights to Reagan-National Airport
Explore the most affordable flight options available to Reagan-National Airport. Find the lowest fares based on data from user searches, with prices last updated on 21 July 2026.

Tue 1/907:00
BKK
-
DCA
2 stops27h 59m
United Airlines
Tue 8/917:10
DCA
-
BKK
3 stops29h 25m
United Airlines
Deal found 17/7฿34,374
Sun 13/907:00
BKK
-
DCA
2 stops26h 30m
United Airlines
Tue 22/915:30
DCA
-
BKK
3 stops31h 05m
United Airlines
Deal found 17/7฿34,407
Thu 17/907:00
BKK
-
DCA
2 stops26h 30m
United Airlines
Sun 20/915:30
DCA
-
BKK
3 stops31h 05m
United Airlines
Deal found 21/7฿34,475
Thu 19/1107:10
BKK
-
DCA
2 stops27h 16m
United Airlines
Mon 23/1118:00
DCA
-
BKK
2 stops42h 20m
United Airlines
Deal found 20/7฿34,575
Sun 30/815:45
BKK
-
DCA
3 stops29h 14m
United Airlines
Sun 6/908:20
DCA
-
BKK
2 stops33h 15m
United Airlines
Deal found 16/7฿34,710
Thu 15/1015:45
BKK
-
DCA
3 stops30h 16m
United Airlines
Sun 18/1007:20
DCA
-
BKK
2 stops29h 35m
United Airlines
Deal found 18/7฿34,744
Sat 12/907:00
BKK
-
DCA
2 stops25h 59m
United Airlines
Sat 26/919:00
DCA
-
BKK
2 stops27h 35m
United Airlines
Deal found 20/7฿35,988
Sat 3/1015:45
BKK
-
DCA
3 stops29h 14m
United Airlines
Thu 15/1007:20
DCA
-
BKK
2 stops27h 55m
United Airlines
Deal found 18/7฿36,123
Tue 15/1216:55
BKK
-
DCA
1 stop35h 00m
ANA
Tue 19/114:00
DCA
-
BKK
2 stops27h 10m
ANA
Deal found 16/7฿36,762
Sat 12/1208:25
BKK
-
DCA
2 stops38h 04m
แอร์แคนาดา
Tue 19/109:40
DCA
-
BKK
2 stops27h 05m
แอร์แคนาดา
Deal found 16/7฿37,098
Sat 12/1208:25
BKK
-
DCA
2 stops38h 04m
แอร์แคนาดา
Thu 21/106:59
DCA
-
BKK
2 stops34h 11m
แอร์แคนาดา
Deal found 16/7฿37,165

Find flight deals to Reagan-National Airport

Find the latest flights to Reagan-National in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 21 July 2026.

Return from

฿27,916

One-way from

฿21,290

Popular in

April

Cheapest in

October

Average price

฿36,493
ซาอุเดียแอร์ไลน์
  • ซาอุเดียแอร์ไลน์
  • 17/9-20/9
  • 2 total stops
  • 67h 15m total
  • Bangkok to Washington, D.C.
Search Deals
13/10
  • 13/10
  • 3 total stops
  • 39h 41m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (฿6,509 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (฿1,987 potential savings vs. average return price).
Search Deals
Average for return flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Locate flights to Reagan-National that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 17,341 searches and data was last updated on 21 July 2026.
Use the filters below to find and compare flights to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sat 12/9

07:00-22:30

2 stops26h 30m

Washington, D.C. Reagan-National

Sat 26/9

13:15-09:35

3 stops33h 20m

฿34,374

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 13/9

07:00-22:30

2 stops26h 30m

Washington, D.C. Reagan-National

Tue 22/9

07:46-04:35

2 stops33h 49m

฿34,407

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 17/9

07:00-22:30

2 stops26h 30m

Washington, D.C. Reagan-National

Sun 20/9

15:30-09:35

3 stops31h 05m

฿34,475

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 19/11

07:10-22:26

2 stops27h 16m

Washington, D.C. Reagan-National

Mon 23/11

18:00-00:20

2 stops42h 20m

฿34,575

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 30/8

15:45-09:59

3 stops29h 14m

Washington, D.C. Reagan-National

Sun 6/9

08:20-04:35

2 stops33h 15m

฿34,710

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Thu 15/10

07:00-22:30

2 stops26h 30m

Washington, D.C. Reagan-National

Sun 18/10

11:57-04:35

2 stops29h 38m

฿35,719
Fastest return journey

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 13/9

07:00-21:59

2 stops25h 59m

Washington, D.C. Reagan-National

Sat 26/9

19:00-09:35

2 stops27h 35m

฿35,988

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 18/8

07:00-23:59

2 stops27h 59m

Washington, D.C. Reagan-National

Sat 29/8

09:30-04:35

2 stops32h 05m

฿39,822

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sun 30/8

21:40-16:29

2 stops53h 49m

Washington, D.C. Reagan-National

Sun 6/9

06:00-05:45

2 stops36h 45m

฿42,648

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 7/8

08:25-08:52

2 stops35h 27m

Washington, D.C. Reagan-National

Fri 21/8

16:20-11:15

3 stops31h 55m

฿46,045

Flights are sorted by cheapest return flights first.

Deals found on 18/7

Showing 1-10 of 20 resultsSorted by cheapest first
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Best time to book a flight to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National with our price prediction graph.
Estimated return 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 to Washington, D.C. Reagan-National Airport

How long is the flight to Reagan-National?

On average, a flight from Bangkok to Reagan-National takes 24 hours 30 minutes. Flights to Reagan-National from other popular cities in Thailand will vary in length. Below are a few examples of popular routes and their flight times.

Rainfall in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Reagan-National ranges from 66.0 - 102.0 mm per month. May is typically the wettest month, when rainfall can reach 102.0 mm. February is typically the driest time to visit Reagan-National when rainfall is around 66.0 mm.

Temperature in Reagan-National by month

Plan your trip to Reagan-National by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Reagan-National, 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 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 2.0 C).

FAQs about flying to Reagan-National

  • Can I find cheaper flights to Reagan-National if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Reagan-National on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the cheapest airport to fly to in Reagan-National?

    Washington, D.C. Reagan-National is currently the cheapest airport to fly to in Reagan-National. One-way flights to Washington, D.C. Reagan-National typically cost ฿3,144, while return flights cost around ฿50,693.

  • Where does the fastest flight to Reagan-National depart from?

    For those looking to save time traveling to Reagan-National, Bangkok offers the quickest one-way flight (24 hours 30 minutes).

  • Does Washington, D.C. Reagan-National have rental cars?

    Yes. Those touching down at Washington, D.C. Reagan-National can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Washington, D.C. Reagan-National?

    Yes. Washington, D.C. Reagan-National has hotels nearby for those requiring accommodations. Large 3 bedroom Family Suite, Private Balcony, 5 min to DCA, Gym and more! is the closest property to Washington, D.C. Reagan-National (0.0 km away from Washington, D.C. Reagan-National).

See more FAQs

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Certainly. Search results for flights to Reagan-National shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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