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฿4,253+ 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 17/1. 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
24 Jan — 31 Jan1
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 25 December 2025.

Good round-trip deal

฿5,121 or less

Good one-way deal

฿2,437 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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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 25 December 2025.

Thu 22/108:00DCA - PDX
1 stop28h 29mอลาสกาแอร์ไลน์
Sat 24/107:10PDX - DCA
1 stop11h 49mอลาสกาแอร์ไลน์
Deal found 23/12฿9,034
Thu 22/116:44DCA - PDX
1 stop10h 33mเดลต้า
Sun 25/119:37PDX - DCA
2 stops10h 16mเดลต้า
Deal found 25/12฿9,066
Sat 17/117:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Tue 27/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 25/12฿9,221
Wed 21/115:10DCA - PDX
2 stops12h 07mเดลต้า
Sun 25/119:37PDX - DCA
2 stops10h 16mเดลต้า
Deal found 24/12฿9,252
Tue 13/117:10DCA - PDX
1 stop8h 44mเดลต้า
Thu 15/105:30PDX - DCA
1 stop6h 50mเดลต้า
Deal found 23/12฿9,376
Mon 9/217:01DCA - PDX
1 stop19h 28mอลาสกาแอร์ไลน์
Fri 13/221:19PDX - DCA
1 stop21h 40mอลาสกาแอร์ไลน์
Deal found 22/12฿9,500
Thu 12/216:44DCA - PDX
1 stop10h 31mเดลต้า
Mon 16/205:30PDX - DCA
1 stop6h 50mเดลต้า
Deal found 24/12฿9,531
Wed 28/106:05DCA - PDX
2 stops9h 39mเดลต้า
Fri 30/105:30PDX - DCA
1 stop6h 50mเดลต้า
Deal found 24/12฿9,686
Wed 25/206:05DCA - PDX
1 stop9h 39mเดลต้า
Fri 27/219:35PDX - DCA
2 stops10h 17mเดลต้า
Deal found 23/12฿9,842
Sat 31/109:54DCA - PDX
2 stops11h 56mเดลต้า
Tue 3/211:10PDX - DCA
2 stops8h 47mเดลต้า
Deal found 25/12฿9,873
Sat 17/106:05DCA - PDX
1 stop8h 10mเซาท์เวสต์แอร์ไลน์
Tue 27/111:05PDX - DCA
2 stops9h 15mเซาท์เวสต์แอร์ไลน์
Deal found 25/12฿9,997
Sun 18/108:00DCA - PDX
1 stop28h 29mอลาสกาแอร์ไลน์
Wed 21/119:38PDX - DCA
1 stop23h 21mอลาสกาแอร์ไลน์
Deal found 23/12฿10,121

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 25 December 2025. 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

Wed 4/3

16:44-00:15

1 stop10h 31m

Portland

Tue 10/3

10:42-22:51

2 stops9h 09m

฿9,066

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 21/2

16:44-22:48

1 stop9h 04m

Portland

Sun 1/3

19:35-10:26

2 stops11h 51m

฿9,066

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 11/2

15:40-00:17

2 stops11h 37m

Portland

Tue 17/2

05:30-15:20

1 stop6h 50m

฿9,066

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 28/1

17:09-20:11

Nonstop6h 02m

Portland

Fri 30/1

21:30-16:09

1 stop15h 39m

฿9,686

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 19/1

17:09-20:11

Nonstop6h 02m

Portland

Fri 23/1

17:35-16:09

1 stop19h 34m

฿9,686

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 28/1

06:05-12:44

2 stops9h 39m

Portland

Fri 30/1

05:30-15:20

1 stop6h 50m

฿9,686

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 4/3

08:00-15:48

1 stop10h 48m

Portland

Wed 11/3

08:04-16:00

Nonstop4h 56m

฿9,842

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 22/1

08:00-20:47

1 stop15h 47m

Portland

Tue 27/1

08:02-16:01

Nonstop4h 59m

฿9,842

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 23/1

17:09-20:11

Nonstop6h 02m

Portland

Tue 27/1

08:02-16:01

Nonstop4h 59m

฿9,842

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 22/1

08:00-20:47

1 stop15h 47m

Portland

Sat 24/1

08:02-16:01

Nonstop4h 59m

฿9,842

Flights are sorted by cheapest return flights first.

Deals found on 23/12

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 ฿26,855). Flying from Washington, D.C. Reagan-National Airport in September will prove the most costly (average of ฿37,442). 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 Chicago (464 flights per day), New York (417 flights per day) and Atlanta (247 flights per day).

Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,827
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,057
Palm Beach Intl
Palm Beach Intl
From ฿5,121
Nashville Intl
Nashville Intl
From ฿2,437

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 ฿2,437. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,437
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,057
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,827
Palm Beach Intl
Palm Beach Intl
From ฿5,121

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 25 December 2025.
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 25 December 2025.

  • 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, Fort Lauderdale, Atlanta. 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 ฿2,437 to Nashville (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿3,988 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 ฿14,798 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 September 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 ฿29,463

  • 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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