฿5,155+ Direct flights from Washington, D.C. Reagan-National Airport

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 28/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
DCA — BKK
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Direct flights from Reagan-National

Enter your travel dates to find the best prices.

Cheapest flights from Reagan-National
Explore the most affordable flight options available from Reagan-National. Find the lowest fares based on data from user searches, with prices last updated on 20 November 2025.

Fri 9/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Tue 13/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 18/11฿9,630
Fri 6/217:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 15/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 19/11฿10,278
Tue 13/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Fri 16/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 18/11฿10,926
Wed 21/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 25/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 17/11฿10,959
Thu 22/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 25/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 19/11฿11,607
Tue 24/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Fri 27/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 18/11฿12,256
Thu 8/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Mon 12/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 17/11฿12,904
Sat 10/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 11/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 19/11฿13,877
Fri 16/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Mon 19/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 18/11฿14,201
Fri 9/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 11/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 18/11฿14,525
Mon 8/1217:08DCA - PDX
Nonstop6h 11mอลาสกาแอร์ไลน์
Fri 12/1208:05PDX - DCA
Nonstop4h 55mอลาสกาแอร์ไลน์
Deal found 19/11฿15,498
Sat 7/317:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Sat 14/308:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 18/11฿15,822

Find direct flights from Reagan-National within your budget

 
Use the slider to find direct flights from Reagan-National within your budget. Price data is based on user searches made on Cheapflights. Over the past seven days, Cheapflights users made 17,341 searches. This data was last updated on 20 November 2025.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 22/1

17:09-20:11

Nonstop6h 02m

Portland

Wed 4/2

08:02-16:01

Nonstop4h 59m

฿9,630

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 9/1

17:09-20:11

Nonstop6h 02m

Portland

Tue 13/1

08:02-16:01

Nonstop4h 59m

฿9,630

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 9/1

17:09-20:11

Nonstop6h 02m

Portland

Wed 14/1

08:02-16:01

Nonstop4h 59m

฿9,630

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 6/2

17:09-20:11

Nonstop6h 02m

Portland

Sun 15/2

08:04-16:00

Nonstop4h 56m

฿10,278

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 13/1

17:09-20:11

Nonstop6h 02m

Portland

Fri 16/1

08:02-16:01

Nonstop4h 59m

฿10,926

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 21/1

17:09-20:11

Nonstop6h 02m

Portland

Sun 25/1

08:02-16:01

Nonstop4h 59m

฿10,959

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 22/1

17:09-20:11

Nonstop6h 02m

Portland

Sun 25/1

08:02-16:01

Nonstop4h 59m

฿11,607

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 24/2

17:06-20:13

Nonstop6h 07m

Portland

Fri 27/2

08:04-16:00

Nonstop4h 56m

฿12,256

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 13/2

17:06-20:13

Nonstop6h 07m

Portland

Tue 24/2

08:04-16:00

Nonstop4h 56m

฿12,256

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 8/1

17:09-20:11

Nonstop6h 02m

Portland

Mon 12/1

08:02-16:01

Nonstop4h 59m

฿12,904

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 20 results
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Best time to book a flight from Reagan-National

Have a flexible travel schedule? Discover the best time to fly from 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.

Related info for your journey

Access useful and relevant information related to your journey from Reagan-National. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 November 2025.
  • Where can you fly direct from Washington, D.C. Reagan-National Airport?

    Currently, the most popular direct flight destination from Washington, D.C. Reagan-National Airport is Milwaukee.

  • How much are direct flights from Washington, D.C. Reagan-National Airport?

    On average, a one-way direct flight from Washington, D.C. Reagan-National Airport will cost users approximately ฿3,771. If you're looking for a direct round-trip flight from Washington, D.C. Reagan-National Airport, you can expect to pay around ฿5,348.

  • What is the best time of year to fly direct from Washington, D.C. Reagan-National Airport?

    If you're seeking the lowest price on a direct flight from Washington, D.C. Reagan-National Airport, September is worth consideration as prices are at their lowest, on average. In terms of the number of daily non-stop flights, September offers travelers the most options.

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