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฿4,692+ 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 7/3. 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
10 Mar — 17 Mar1
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 February 2026.

Tue 3/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Thu 9/408:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 8/2฿9,982
Tue 24/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Wed 22/407:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 8/2฿10,611
Tue 3/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Wed 8/408:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 8/2฿11,556
Mon 23/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Wed 22/407:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 8/2฿11,871
Mon 2/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Tue 24/308:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 8/2฿13,130
Sat 23/517:19
DCA
-
PDX
Nonstop5h 53m
อลาสกาแอร์ไลน์
Sun 24/507:50
PDX
-
DCA
Nonstop5h 10m
อลาสกาแอร์ไลน์
Deal found 8/2฿13,445
Tue 24/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Sun 29/308:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 6/2฿13,760
Mon 2/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Thu 5/308:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 7/2฿14,390
Wed 4/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Wed 25/308:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 8/2฿15,020
Wed 22/417:28
DCA
-
PDX
Nonstop5h 49m
อลาสกาแอร์ไลน์
Sat 25/407:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 7/2฿16,594
Sat 21/217:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Wed 25/208:04
PDX
-
DCA
Nonstop4h 56m
อลาสกาแอร์ไลน์
Deal found 6/2฿16,846
Mon 23/317:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Tue 21/408:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 8/2฿16,909

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 February 2026.

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 2/3

17:06-20:13

Nonstop6h 07m

Portland

Wed 25/3

08:01-16:00

Nonstop4h 59m

฿9,982

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 24/3

17:10-20:07

Nonstop5h 57m

Portland

Wed 22/4

07:49-16:00

Nonstop5h 11m

฿10,611

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 15/3

17:06-20:13

Nonstop6h 07m

Portland

Wed 8/4

08:01-16:00

Nonstop4h 59m

฿11,556

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 16/3

17:06-20:13

Nonstop6h 07m

Portland

Wed 8/4

08:01-16:00

Nonstop4h 59m

฿11,556

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 23/3

17:10-20:07

Nonstop5h 57m

Portland

Wed 22/4

07:49-16:00

Nonstop5h 11m

฿11,871

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 3/3

17:06-20:13

Nonstop6h 07m

Portland

Tue 7/4

08:01-16:00

Nonstop4h 59m

฿13,130

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 15/3

17:06-20:13

Nonstop6h 07m

Portland

Tue 7/4

08:01-16:00

Nonstop4h 59m

฿13,130

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 27/5

17:19-20:12

Nonstop5h 53m

Portland

Tue 2/6

07:50-16:00

Nonstop5h 10m

฿13,445

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 29/5

17:19-20:12

Nonstop5h 53m

Portland

Tue 2/6

07:50-16:00

Nonstop5h 10m

฿13,445

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 24/3

17:10-20:07

Nonstop5h 57m

Portland

Sun 29/3

08:01-16:00

Nonstop4h 59m

฿13,760

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 24 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 February 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 ฿3,662. If you're looking for a direct round-trip flight from Washington, D.C. Reagan-National Airport, you can expect to pay around ฿5,194.

  • 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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