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฿4,152+ 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 7/1. 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
11 Jan — 18 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 12 December 2025.

Good round-trip deal

฿5,228 or less

Good one-way deal

฿2,488 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 12 December 2025.

Tue 13/109:59DCA - PDX
1 stop9h 50mอลาสกาแอร์ไลน์
Wed 14/107:18PDX - DCA
1 stop10h 42mอลาสกาแอร์ไลน์
Deal found 10/12฿9,382
Wed 25/206:05DCA - PDX
1 stop9h 39mเดลต้า
Fri 27/200:40PDX - DCA
1 stop9h 44mเดลต้า
Deal found 10/12฿9,414
Fri 9/111:55DCA - PDX
2 stops9h 55mเดลต้า
Wed 14/119:37PDX - DCA
2 stops10h 16mเดลต้า
Deal found 10/12฿9,446
Wed 14/117:01DCA - PDX
1 stop8h 45mอลาสกาแอร์ไลน์
Sun 18/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 10/12฿9,572
Wed 25/217:06DCA - PDX
Nonstop6h 07mอลาสกาแอร์ไลน์
Sat 28/207:05PDX - DCA
1 stop11h 54mอลาสกาแอร์ไลน์
Deal found 12/12฿9,731
Wed 25/218:59DCA - PDX
1 stop17h 43mอลาสกาแอร์ไลน์
Fri 27/208:30PDX - DCA
1 stop10h 29mอลาสกาแอร์ไลน์
Deal found 10/12฿10,016
Wed 4/209:59DCA - PDX
2 stops13h 48mอลาสกาแอร์ไลน์
Sat 7/209:10PDX - DCA
1 stop9h 49mอลาสกาแอร์ไลน์
Deal found 9/12฿10,048
Mon 26/111:15DCA - PDX
1 stop9h 45mเซาท์เวสต์แอร์ไลน์
Wed 28/106:20PDX - DCA
2 stops10h 55mเซาท์เวสต์แอร์ไลน์
Deal found 10/12฿10,206
Thu 15/116:44DCA - PDX
1 stop10h 33mเดลต้า
Mon 19/105:30PDX - DCA
1 stop6h 50mเดลต้า
Deal found 11/12฿10,333
Fri 9/118:56DCA - PDX
1 stop17h 53mอลาสกาแอร์ไลน์
Wed 14/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 10/12฿10,365
Tue 13/108:00DCA - PDX
1 stop8h 48mอลาสกาแอร์ไลน์
Tue 13/121:30PDX - DCA
1 stop15h 39mอลาสกาแอร์ไลน์
Deal found 10/12฿10,492
Fri 9/116:44DCA - PDX
1 stop10h 33mเดลต้า
Fri 16/106:00PDX - DCA
1 stop9h 04mเดลต้า
Deal found 10/12฿10,523

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 12 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

Tue 13/1

09:59-16:49

1 stop9h 50m

Portland

Wed 14/1

07:18-21:00

1 stop10h 42m

฿9,382

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 10/2

13:40-20:59

2 stops10h 19m

Portland

Tue 17/2

19:35-08:53

2 stops10h 18m

฿9,446

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 22/1

09:54-18:50

2 stops11h 56m

Portland

Sun 25/1

19:37-08:53

2 stops10h 16m

฿9,446

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 9/1

11:55-18:50

2 stops9h 55m

Portland

Tue 13/1

09:20-22:57

2 stops10h 37m

฿9,446

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 30/1

17:09-20:11

Nonstop6h 02m

Portland

Mon 2/2

17:35-21:59

1 stop25h 24m

฿9,572

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 25/2

18:59-09:42

1 stop17h 43m

Portland

Fri 27/2

08:30-21:59

1 stop10h 29m

฿10,016

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 26/1

11:15-18:00

1 stop9h 45m

Portland

Wed 28/1

06:20-20:15

2 stops10h 55m

฿10,206

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 25/2

06:05-12:44

1 stop9h 39m

Portland

Fri 27/2

19:35-08:52

2 stops10h 17m

฿10,682

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 13/1

11:55-20:59

2 stops12h 04m

Portland

Thu 15/1

19:37-08:53

2 stops10h 16m

฿11,981

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 11/5

15:59-22:25

1 stop9h 26m

Portland

Fri 15/5

23:40-11:37

1 stop8h 57m

฿12,457

Flights are sorted by cheapest return flights first.

Deals found on 11/12

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, April is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport (average of ฿27,386). Flying from Washington, D.C. Reagan-National Airport in September will prove the most costly (average of ฿38,226). 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 (991 flights per day), Chicago (604 flights per day) and Boston (418 flights per day).

Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,928
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,121
Palm Beach Intl
Palm Beach Intl
From ฿5,228
Nashville Intl
Nashville Intl
From ฿2,488

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 ฿2,488. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,488
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,121
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿4,928
Palm Beach Intl
Palm Beach Intl
From ฿5,228

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 12 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 12 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, Denver. 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 ฿2,488 to Nashville (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿4,072 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 ฿15,108 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 April; 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 ฿29,414

  • 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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