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฿5,319+ 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 17/2. 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
3 Feb — 10 Feb1
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 4 January 2026.

Sat 24/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Tue 27/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 3/1฿9,348
Sat 31/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Thu 5/208:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 4/1฿9,978
Tue 27/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Wed 28/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 3/1฿10,607
Fri 30/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sat 7/208:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 4/1฿10,954
Sun 25/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Tue 27/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 3/1฿11,237
Fri 30/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Thu 5/208:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 4/1฿11,583
Sun 22/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Fri 27/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 4/1฿11,866
Sat 21/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Tue 31/308:01PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 3/1฿12,213
Thu 22/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Thu 29/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 1/1฿12,842
Sat 21/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Sun 1/308:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 4/1฿13,786
Fri 13/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Tue 17/208:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 4/1฿13,818
Mon 2/317:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Thu 5/308:04PDX - DCA
Nonstop4h 56mอลาสกาแอร์ไลน์
Deal found 3/1฿14,101

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 4 January 2026.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 24/1

17:09-20:11

Nonstop6h 02m

Portland

Tue 27/1

08:02-16:01

Nonstop4h 59m

฿9,348

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 27/1

17:09-20:11

Nonstop6h 02m

Portland

Sat 31/1

08:02-16:01

Nonstop4h 59m

฿9,348

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 24/1

17:09-20:11

Nonstop6h 02m

Portland

Fri 30/1

08:02-16:01

Nonstop4h 59m

฿9,978

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 24/1

17:09-20:11

Nonstop6h 02m

Portland

Thu 29/1

08:02-16:01

Nonstop4h 59m

฿9,978

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 7/2

17:09-20:11

Nonstop6h 02m

Portland

Thu 12/2

08:04-16:00

Nonstop4h 56m

฿9,978

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 27/1

17:09-20:11

Nonstop6h 02m

Portland

Wed 28/1

08:02-16:01

Nonstop4h 59m

฿10,607

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 7/3

17:06-20:13

Nonstop6h 07m

Portland

Tue 10/3

08:04-16:00

Nonstop4h 56m

฿10,954

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 7/3

17:06-20:13

Nonstop6h 07m

Portland

Wed 11/3

08:04-16:00

Nonstop4h 56m

฿10,954

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 30/1

17:09-20:11

Nonstop6h 02m

Portland

Wed 4/2

08:02-16:01

Nonstop4h 59m

฿10,954

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 11/2

17:09-20:11

Nonstop6h 02m

Portland

Tue 17/2

08:04-16:00

Nonstop4h 56m

฿10,954

Flights are sorted by cheapest return flights first.

Deals found on 2/1

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 4 January 2026.

  • 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 ฿3,661. If you're looking for a direct round-trip flight from Washington, D.C. Reagan-National Airport, you can expect to pay around ฿5,192.

  • 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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