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฿3,960+ Cheap flights from Washington, D.C. Reagan-National Airport

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 15/4. 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
13 Mar — 20 Mar1
1 adult
1 adult, Economy, 0 bags

What to know about flights from Reagan-National

Discover essential information about flights departing from Reagan-National, including flight schedules, destinations, airlines operating at the Reagan-National airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 11 February 2026.

Good round-trip deal

฿5,142 or less

Good one-way deal

฿2,447 or less
Price to beat on a round-trip flight from Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National.
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Find 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 11 February 2026.

Mon 2/317:10
DCA
-
PDX
1 stop9h 43m
เดลต้า
Thu 5/305:30
PDX
-
DCA
1 stop6h 50m
เดลต้า
Deal found 7/2฿8,636
Wed 4/306:05
DCA
-
PDX
1 stop17h 20m
เดลต้า
Tue 24/323:15
PDX
-
DCA
1 stop6h 28m
เดลต้า
Deal found 8/2฿9,229
Tue 10/317:01
DCA
-
PDX
1 stop8h 44m
United Airlines
Tue 17/323:59
PDX
-
DCA
1 stop9h 00m
United Airlines
Deal found 9/2฿9,260
Tue 3/313:00
DCA
-
PDX
2 stops12h 15m
เซาท์เวสต์แอร์ไลน์
Thu 5/305:20
PDX
-
DCA
1 stop6h 35m
เซาท์เวสต์แอร์ไลน์
Deal found 10/2฿9,416
Sun 15/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Tue 21/407:15
PDX
-
DCA
1 stop10h 45m
อลาสกาแอร์ไลน์
Deal found 8/2฿9,571
Sat 7/316:44
DCA
-
PDX
1 stop9h 04m
เดลต้า
Sat 14/305:30
PDX
-
DCA
1 stop6h 52m
เดลต้า
Deal found 9/2฿9,603
Tue 3/317:06
DCA
-
PDX
Nonstop6h 07m
อลาสกาแอร์ไลน์
Thu 9/408:01
PDX
-
DCA
Nonstop4h 59m
อลาสกาแอร์ไลน์
Deal found 8/2฿9,883
Wed 17/606:00
DCA
-
PDX
1 stop7h 44m
เดลต้า
Fri 26/611:39
PDX
-
DCA
1 stop8h 49m
เดลต้า
Deal found 7/2฿9,914
Tue 24/315:35
DCA
-
PDX
2 stops11h 00m
เซาท์เวสต์แอร์ไลน์
Tue 21/405:40
PDX
-
DCA
1 stop7h 35m
เซาท์เวสต์แอร์ไลน์
Deal found 8/2฿10,039
Thu 12/306:05
DCA
-
PDX
1 stop9h 43m
เดลต้า
Mon 16/323:15
PDX
-
DCA
1 stop6h 28m
เดลต้า
Deal found 9/2฿10,226
Mon 4/511:00
DCA
-
BKK
2 stops31h 05m
Air India
Mon 1/607:05
BKK
-
DCA
2 stops25h 50m
Air India
Deal found 10/2฿27,841
Sun 3/520:40
DCA
-
BKK
2 stops45h 25m
แอร์แคนาดา
Wed 3/607:05
BKK
-
DCA
2 stops39h 56m
แอร์แคนาดา
Deal found 10/2฿28,091

Find flights from Reagan-National within your budget

 
Find flights departing from Reagan-National that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 11 February 2026. In the last 7 days, Cheapflights users made a total of 17,341 searches

Fly to

Suvarnabhumi

Route

Depart

Return

Price

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 23/3

16:40-23:59

1 stop10h 19m

Portland

Mon 20/4

23:15-11:34

1 stop9h 19m

฿8,636

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 3/3

11:15-18:00

1 stop9h 45m

Portland

Wed 4/3

05:05-16:35

1 stop8h 30m

฿8,636

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 10/3

17:01-22:45

1 stop8h 44m

Portland

Tue 17/3

23:59-11:59

1 stop9h 00m

฿9,260

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 3/3

17:06-20:13

Nonstop6h 07m

Portland

Wed 25/3

08:01-16:00

Nonstop4h 59m

฿9,883

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

฿9,883

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 8/7

06:00-10:44

1 stop7h 44m

Portland

Tue 14/7

21:45-09:13

1 stop8h 28m

฿9,914

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 2/3

15:40-22:08

1 stop9h 28m

Portland

Thu 5/3

05:30-15:20

1 stop6h 50m

฿10,226

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 24/4

16:39-23:55

1 stop10h 16m

Portland

Sat 2/5

00:30-11:04

1 stop7h 34m

฿10,226

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 3/6

15:59-22:25

1 stop9h 26m

Portland

Mon 8/6

23:40-12:53

1 stop10h 13m

฿10,382

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

14:37-20:00

1 stop26h 23m

฿10,943

Flights are sorted by cheapest return flights first.

Deals found on 8/2

Showing 1-10 of 60 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.

Travel insights for flights from Reagan-National

Get recent, data-driven insights about flights from Reagan-National including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport?

Currently, November is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport (average of ฿26,968). Flying from Washington, D.C. Reagan-National Airport in May will prove the most costly (average of ฿35,511). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Washington, D.C. Reagan-National Airport?

If you’re flying from Washington, D.C. Reagan-National Airport, these routes are more frequently taken by airlines New York (742 flights per day), Chicago (518 flights per day) and Boston (329 flights per day).

Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,847
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,070
Palm Beach Intl
Palm Beach Intl
From ฿5,142
Nashville Intl
Nashville Intl
From ฿2,447

What is the cheapest place to fly to from Washington, D.C. Reagan-National Airport?

The cheapest city to fly to from Washington, D.C. Reagan-National Airport is Nashville Intl, with prices starting at ฿2,447. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,447
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,070
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,847
Palm Beach Intl
Palm Beach Intl
From ฿5,142

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternate flight departure points to Reagan-National

Consider leaving from one of these other departure points that are located a short distance from Reagan-National. Flight origins were last updated on 11 February 2026.
Flights from Dulles Intl

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 11 February 2026.

  • What are the most popular destinations to fly to from Washington, D.C. Reagan-National Airport?

    The most selected flight destinations from Washington, D.C. Reagan-National Airport for the current month are Boston, Denver, Fort Lauderdale. While Boston, Denver, Fort Lauderdale are the top choices made by travellers year-round.

  • What is the cheapest flight from Washington, D.C. Reagan-National Airport to anywhere?

    Users have flown out of Washington, D.C. Reagan-National Airport for as low as ฿2,447 to Nashville (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿4,005 to fly from Washington, D.C. Reagan-National Airport.

  • What is the cheapest first class flight from Washington, D.C. Reagan-National Airport?

    If you’re looking to fly first-class from Washington, D.C. Reagan-National Airport to anywhere, put New York on your list as prices start at ฿14,860 for this destination.

  • What is the cheapest month to fly from Washington, D.C. Reagan-National Airport?

    At the present moment the cheapest month to fly from Washington, D.C. Reagan-National Airport is currently November; with May being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Washington, D.C. Reagan-National Airport?

    Here are some of the cheapest flight destinations from Washington, D.C. Reagan-National Airport:
    Fly from Washington, D.C. to Bangkok from ฿29,338

  • How does Cheapflights help users find flights from Reagan-National?

    When you search for this flight from Reagan-National, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

  • Why should you use Cheapflights to find cheap flight tickets from Reagan-National?

    Cheapflights helps you find that perfect flight from Reagan-National by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

  • Can Cheapflights find flights from Reagan-National with no change fees?

    Yes! Cheapflights helps users easily find flights from Reagan-National with no change fees.

  • Can Cheapflights notify me if prices for flights from Reagan-National become cheaper?

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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How does Cheapflights help users find flights from Reagan-National?

When you search for this flight from Reagan-National, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

Why should you use Cheapflights to find cheap flight tickets from Reagan-National?

Cheapflights helps you find that perfect flight from Reagan-National by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Reagan-National with no change fees?

Yes! Cheapflights helps users easily find flights from Reagan-National with no change fees.

Can Cheapflights notify me if prices for flights from Reagan-National become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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