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฿6,480+ 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 18/4. 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
31 Mar — 7 Apr1
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 1 March 2026.

Sat 23/517:19
DCA
-
PDX
Nonstop5h 53m
อลาสกาแอร์ไลน์
Thu 28/507:50
PDX
-
DCA
Nonstop5h 10m
อลาสกาแอร์ไลน์
Deal found 28/2฿11,689
Sat 23/517:19
DCA
-
PDX
Nonstop5h 53m
อลาสกาแอร์ไลน์
Tue 26/507:50
PDX
-
DCA
Nonstop5h 10m
อลาสกาแอร์ไลน์
Deal found 28/2฿13,239
Sat 18/417:20
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Wed 22/407:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 28/2฿14,789
Tue 14/717:16
DCA
-
PDX
Nonstop5h 51m
อลาสกาแอร์ไลน์
Tue 21/707:54
PDX
-
DCA
Nonstop5h 06m
อลาสกาแอร์ไลน์
Deal found 26/2฿16,339
Mon 27/417:28
DCA
-
PDX
Nonstop5h 49m
อลาสกาแอร์ไลน์
Thu 30/407:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 1/3฿17,580
Wed 20/517:19
DCA
-
PDX
Nonstop5h 53m
อลาสกาแอร์ไลน์
Sun 24/507:50
PDX
-
DCA
Nonstop5h 10m
อลาสกาแอร์ไลน์
Deal found 26/2฿18,200
Wed 8/417:20
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Wed 15/408:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 27/2฿18,820
Thu 9/717:16
DCA
-
PDX
Nonstop5h 51m
อลาสกาแอร์ไลน์
Sat 11/707:54
PDX
-
DCA
Nonstop5h 06m
อลาสกาแอร์ไลน์
Deal found 1/3฿19,750
Thu 30/417:28
DCA
-
PDX
Nonstop5h 49m
อลาสกาแอร์ไลน์
Tue 5/507:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 27/2฿20,370
Sun 26/417:28
DCA
-
PDX
Nonstop5h 49m
อลาสกาแอร์ไลน์
Sun 3/507:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 1/3฿21,610
Fri 24/417:28
DCA
-
PDX
Nonstop5h 49m
อลาสกาแอร์ไลน์
Wed 29/407:49
PDX
-
DCA
Nonstop5h 11m
อลาสกาแอร์ไลน์
Deal found 27/2฿21,920
Wed 1/417:10
DCA
-
PDX
Nonstop5h 57m
อลาสกาแอร์ไลน์
Mon 6/408:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 27/2฿23,470

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 1 March 2026.

Fly to

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 22/5

17:19-20:12

Nonstop5h 53m

Portland

Tue 26/5

07:50-16:00

Nonstop5h 10m

฿18,200

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 9/7

17:16-20:07

Nonstop5h 51m

Portland

Sat 11/7

07:54-16:00

Nonstop5h 06m

฿19,750

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 26/6

17:16-20:07

Nonstop5h 51m

Portland

Wed 1/7

07:54-16:00

Nonstop5h 06m

฿20,370

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 26/4

17:28-20:17

Nonstop5h 49m

Portland

Sun 3/5

07:49-16:00

Nonstop5h 11m

฿21,610

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 24/4

17:28-20:17

Nonstop5h 49m

Portland

Wed 29/4

07:49-16:00

Nonstop5h 11m

฿21,920

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 11/6

17:16-20:07

Nonstop5h 51m

Portland

Tue 23/6

07:54-16:00

Nonstop5h 06m

฿26,881

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 29/3

17:10-20:07

Nonstop5h 57m

Portland

Fri 3/4

08:01-16:00

Nonstop4h 59m

฿37,112

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 14/3

17:06-20:13

Nonstop6h 07m

Portland

Mon 16/3

08:04-16:00

Nonstop4h 56m

฿38,508

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sun 29/3

17:10-20:07

Nonstop5h 57m

Portland

Sat 4/4

08:01-16:00

Nonstop4h 59m

฿38,663

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 22/6

17:16-20:07

Nonstop5h 51m

Portland

Sat 4/7

07:54-16:00

Nonstop5h 06m

฿45,174

Flights are sorted by cheapest return flights first.

Deals found on 25/2

Showing 1-10 of 21 resultsSorted by cheapest first
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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 1 March 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 ฿3,606. If you're looking for a direct round-trip flight from Washington, D.C. Reagan-National Airport, you can expect to pay around ฿5,114.

  • 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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