฿5,061+ 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 6/1. 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
7 Jan — 14 Jan1
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 8 December 2025.

Fri 6/217:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 15/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 6/12฿10,089
Sun 18/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Tue 20/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 7/12฿10,726
Mon 12/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Fri 16/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 7/12฿11,363
Fri 9/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Tue 13/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 7/12฿12,031
Thu 22/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 25/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 8/12฿12,668
Mon 23/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Wed 25/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 6/12฿13,304
Sat 14/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Thu 19/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 8/12฿13,622
Wed 25/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Fri 27/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 8/12฿13,941
Tue 6/117:05DCA - PDX
Nonstop5h 55mอลาสกาแอร์ไลน์
Sat 10/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 7/12฿15,850
Fri 20/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Sun 1/308:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 7/12฿16,487
Sat 23/517:44DCA - PDX
Nonstop5h 45mอลาสกาแอร์ไลน์
Sat 30/507:42PDX - DCA
Nonstop5h 18mอลาสกาแอร์ไลน์
Deal found 5/12฿16,805
Sat 7/317:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Sat 14/308:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 8/12฿17,760

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 8 December 2025.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

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

฿10,089

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

฿12,031

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

฿12,668

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 23/2

17:06-20:13

Nonstop6h 07m

Portland

Wed 25/2

08:04-16:00

Nonstop4h 56m

฿13,304

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 25/2

17:06-20:13

Nonstop6h 07m

Portland

Fri 27/2

08:04-16:00

Nonstop4h 56m

฿13,941

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 21/2

17:06-20:13

Nonstop6h 07m

Portland

Sun 1/3

08:04-16:00

Nonstop4h 56m

฿15,850

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 6/1

17:05-20:00

Nonstop5h 55m

Portland

Sat 10/1

08:02-16:01

Nonstop4h 59m

฿15,850

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 20/2

17:06-20:13

Nonstop6h 07m

Portland

Sun 1/3

08:04-16:00

Nonstop4h 56m

฿16,487

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 6/1

17:05-20:00

Nonstop5h 55m

฿5,061

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 28/1

17:09-20:11

Nonstop6h 02m

฿5,061

Flights are sorted by cheapest return flights first.

Deals found on 7/12

Showing 1-10 of 18 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 8 December 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 ฿3,702. If you're looking for a direct round-trip flight from Washington, D.C. Reagan-National Airport, you can expect to pay around ฿5,250.

  • 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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