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฿18,465+ 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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
— DCA
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Reagan-National in 2026

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 9 January 2026.

Return from

฿27,227

One-way from

฿18,465

Popular in

August

Cheapest in

October

Average price

฿40,039
IndiGo
  • IndiGo
  • 2/2-21/2
  • 4 total stops
  • 88h 45m total
  • Bangkok to Washington, D.C.
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10/2
  • 10/2
  • 2 total stops
  • 34h 19m total
  • Bangkok to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (฿616 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (฿899 potential savings vs. average return price).
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Average for return flights in January 2026
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Find flight deals to Reagan-National Airport

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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 9 January 2026.

Mon 9/302:15BKK - DCA
2 stops28h 50mMultiple Airlines
Wed 18/309:59DCA - BKK
2 stops38h 11mMultiple Airlines
Deal found 7/1฿31,749
Thu 22/117:15BKK - DCA
2 stops38h 45mMultiple Airlines
Sat 31/109:59DCA - BKK
2 stops37h 11mMultiple Airlines
Deal found 7/1฿31,812
Mon 9/302:15BKK - DCA
2 stops28h 50mMultiple Airlines
Tue 17/318:59DCA - BKK
2 stops29h 31mMultiple Airlines
Deal found 7/1฿32,377
Mon 23/302:15BKK - DCA
2 stops26h 26mEVA Air
Tue 7/409:59DCA - BKK
2 stops37h 26mEVA Air
Deal found 9/1฿32,502
Tue 17/212:45BKK - DCA
2 stops43h 20mMultiple Airlines
Wed 4/309:59DCA - BKK
2 stops37h 31mMultiple Airlines
Deal found 7/1฿32,816
Thu 28/516:45BKK - DCA
2 stops38h 21mMultiple Airlines
Mon 8/617:00DCA - BKK
2 stops31h 20mMultiple Airlines
Deal found 8/1฿32,942
Thu 12/307:15BKK - DCA
2 stops40h 04mแอร์แคนาดา
Tue 17/312:55DCA - BKK
2 stops29h 35mแอร์แคนาดา
Deal found 7/1฿33,068
Tue 10/307:15BKK - DCA
2 stops40h 04mแอร์แคนาดา
Mon 16/306:00DCA - BKK
2 stops36h 30mแอร์แคนาดา
Deal found 7/1฿33,162
Thu 30/407:45BKK - DCA
2 stops25h 08mแอร์แคนาดา
Mon 3/820:40DCA - BKK
2 stops69h 25mแอร์แคนาดา
Deal found 8/1฿33,225
Sat 28/202:15BKK - DCA
2 stops29h 50mEVA Air
Tue 28/418:59DCA - BKK
2 stops28h 26mEVA Air
Deal found 7/1฿33,256
Mon 9/307:15BKK - DCA
2 stops50h 20mแอร์แคนาดา
Tue 17/312:55DCA - BKK
2 stops29h 35mแอร์แคนาดา
Deal found 7/1฿33,319
Mon 9/307:15BKK - DCA
2 stops50h 20mแอร์แคนาดา
Thu 19/306:00DCA - BKK
2 stops36h 30mแอร์แคนาดา
Deal found 7/1฿33,445

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 9 January 2026.
Use the filters below to find and compare flights to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Bangkok

Route

Depart

Return

Price

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 11/3

02:15-20:05

2 stops28h 50m

Washington, D.C. Reagan-National

Wed 18/3

09:59-11:30

2 stops38h 31m

฿31,749

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 10/3

02:15-20:05

2 stops28h 50m

Washington, D.C. Reagan-National

Wed 18/3

09:59-11:10

2 stops38h 11m

฿31,749

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 10/3

07:15-12:19

2 stops40h 04m

Washington, D.C. Reagan-National

Mon 16/3

06:00-05:30

2 stops36h 30m

฿33,162

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 10/3

07:15-12:19

2 stops40h 04m

Washington, D.C. Reagan-National

Thu 19/3

06:00-05:30

2 stops36h 30m

฿33,162

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 11/3

07:15-12:19

2 stops40h 04m

Washington, D.C. Reagan-National

Sun 15/3

20:40-05:30

2 stops45h 50m

฿33,319

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 24/4

01:35-20:00

2 stops29h 25m

Washington, D.C. Reagan-National

Sat 23/5

18:59-23:30

2 stops41h 31m

฿34,010

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Fri 1/5

01:20-22:28

2 stops32h 08m

Washington, D.C. Reagan-National

Fri 31/7

09:40-21:55

2 stops25h 15m

฿34,512

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Wed 18/3

09:10-21:45

2 stops47h 35m

Washington, D.C. Reagan-National

Wed 1/4

15:30-09:45

3 stops31h 15m

฿35,297

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Tue 17/3

02:15-20:00

2 stops28h 45m

Washington, D.C. Reagan-National

Wed 1/4

18:41-23:30

2 stops41h 49m

฿35,580

BangkokWashington, D.C.

BKK - DCA

BKKDCA

Bangkok Suvarnabhumi

Sat 14/2

16:55-08:51

3 stops27h 56m

Washington, D.C. Reagan-National

Sat 21/2

06:00-00:20

2 stops30h 20m

฿35,894

Flights are sorted by cheapest return flights first.

Deals found on 9/1

Showing 1-10 of 22 results
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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 22 hours 50 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.

What are the most popular airlines that fly to Reagan-National?

The most popular airline flying from Bangkok to Reagan-National is United Airlines.

United Airlines
United Airlines
From ฿31,424

What are the cheapest airlines that fly to Reagan-National?

The cheapest airline flying from Bangkok to Reagan-National is United Airlines.

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).

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 9 January 2026.
See what other customers who have flown with United Airlines to the United States have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,145 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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
9,145 reviews
United Airlines
7.4
Good
9,145 reviews
Check prices

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

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

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 best airline to fly to Reagan-National?

    Based on reviews from Cheapflights users, United Airlines is rated the highest out of the airlines that fly to Reagan-National.

  • 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 ฿2,936, while return flights cost around ฿47,331.

  • 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 (22 hours 50 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. Arlington Fully Furnished Apartments in Crystal City 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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