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฿6,185+ 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 15/3. 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 Feb — 27 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 21 January 2026.

Tue 17/217:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Tue 24/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 20/1฿9,542
Tue 10/217:09
DCA
-
PDX
Nonstop6h 02m
อลาสกาแอร์ไลน์
Thu 12/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 20/1฿10,785
Wed 11/217:09
DCA
-
PDX
Nonstop6h 02m
อลาสกาแอร์ไลน์
Sun 15/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 20/1฿10,940
Tue 24/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Tue 31/308:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 20/1฿11,562
Sun 22/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Tue 31/308:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 20/1฿12,494
Mon 2/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Thu 5/308:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 20/1฿13,737
Thu 19/217:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Sun 22/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 20/1฿14,048
Sat 7/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Sat 14/308:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 21/1฿14,514
Tue 24/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Sun 29/308:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 21/1฿15,136
Sat 7/217:09
DCA
-
PDX
Nonstop6h 02m
อลาสกาแอร์ไลน์
Thu 12/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 21/1฿15,291
Wed 11/217:09
DCA
-
PDX
Nonstop6h 02m
อลาสกาแอร์ไลน์
Tue 17/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 21/1฿15,447
Fri 6/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Tue 10/308:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 20/1฿16,068

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 21 January 2026.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 17/2

17:06-20:13

Nonstop6h 07m

Portland

Tue 24/2

08:04-16:00

Nonstop4h 56m

฿9,542

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 10/2

17:09-20:11

Nonstop6h 02m

Portland

Thu 12/2

08:04-16:00

Nonstop4h 56m

฿10,785

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

฿13,737

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 2/3

17:06-20:13

Nonstop6h 07m

Portland

Thu 5/3

08:04-16:00

Nonstop4h 56m

฿13,737

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 6/6

17:19-20:12

Nonstop5h 53m

Portland

Sat 13/6

07:54-16:00

Nonstop5h 06m

฿14,048

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 7/3

17:06-20:13

Nonstop6h 07m

Portland

Sat 14/3

08:04-16:00

Nonstop4h 56m

฿14,514

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

฿14,514

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 13/2

17:06-20:13

Nonstop6h 07m

Portland

Sun 15/2

08:04-16:00

Nonstop4h 56m

฿14,514

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 15/2

17:06-20:13

Nonstop6h 07m

฿6,185

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 22/3

17:10-20:07

Nonstop5h 57m

฿6,185

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 19 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 21 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 ฿3,615. If you're looking for a direct round-trip flight from Washington, D.C. Reagan-National Airport, you can expect to pay around ฿5,126.

  • 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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