Find flights
Deals
Thailand (ภาษาไทย)
ภาษาไทย

฿3,769+ 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 15/2. 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
27 Dec — 3 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 27 November 2025.

Good round-trip deal

฿5,314 or less

Good one-way deal

฿2,529 or less
Price to beat on a round-trip flight from Washington, D.C. Reagan-National.
Search Deals
Price to beat on a one-way flight from Washington, D.C. Reagan-National.
Search Deals

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 27 November 2025.

Wed 25/208:59DCA - PDX
1 stop10h 50mอลาสกาแอร์ไลน์
Sat 28/207:18PDX - DCA
1 stop10h 44mอลาสกาแอร์ไลน์
Deal found 27/11฿9,536
Wed 25/216:44DCA - PDX
1 stop10h 31mเดลต้า
Fri 27/200:40PDX - DCA
1 stop8h 19mเดลต้า
Deal found 27/11฿9,568
Fri 6/217:09DCA - PDX
Nonstop6h 02mอลาสกาแอร์ไลน์
Sun 15/206:00PDX - DCA
1 stop7h 06mอลาสกาแอร์ไลน์
Deal found 26/11฿9,730
Wed 21/108:00DCA - PDX
1 stop15h 47mอลาสกาแอร์ไลน์
Sun 25/113:38PDX - DCA
1 stop29h 21mอลาสกาแอร์ไลน์
Deal found 27/11฿10,019
Thu 8/117:01DCA - PDX
1 stop8h 45mอลาสกาแอร์ไลน์
Mon 12/121:30PDX - DCA
1 stop15h 39mอลาสกาแอร์ไลน์
Deal found 26/11฿10,052
Fri 9/108:59DCA - PDX
1 stop10h 45mอลาสกาแอร์ไลน์
Wed 14/107:18PDX - DCA
1 stop10h 42mอลาสกาแอร์ไลน์
Deal found 27/11฿10,181
Fri 9/113:40DCA - PDX
2 stops10h 19mเดลต้า
Wed 14/105:30PDX - DCA
1 stop6h 50mเดลต้า
Deal found 27/11฿10,696
Sat 14/215:10DCA - PDX
2 stops10h 38mเดลต้า
Mon 16/200:40PDX - DCA
1 stop7h 20mเดลต้า
Deal found 27/11฿10,857
Wed 14/109:59DCA - BKK
2 stops42h 46mChina Airlines
Wed 28/117:50BKK - DCA
2 stops38h 10mChina Airlines
Deal found 27/11฿29,865
Mon 9/306:00DCA - BKK
2 stops30h 20mเดลต้า
Tue 24/302:05BKK - DCA
2 stops31h 37mเดลต้า
Deal found 27/11฿29,897
Mon 6/411:30DCA - BKK
3 stops35h 15mUnited Airlines
Tue 28/409:35BKK - DCA
2 stops41h 24mUnited Airlines
Deal found 26/11฿30,026
Thu 22/106:00DCA - BKK
2 stops30h 55mKorean Air
Tue 27/102:05BKK - DCA
2 stops47h 48mKorean Air
Deal found 26/11฿30,058

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 27 November 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 14/1

16:05-22:05

1 stop9h 00m

Portland

Wed 21/1

05:05-18:00

2 stops9h 55m

฿9,730

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 8/1

17:01-22:46

1 stop8h 45m

Portland

Mon 12/1

21:30-16:09

1 stop15h 39m

฿10,052

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 9/1

08:59-16:44

1 stop10h 45m

Portland

Tue 13/1

07:24-20:00

1 stop9h 36m

฿10,181

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 5/2

16:44-00:17

1 stop10h 33m

Portland

Sun 8/2

05:30-15:20

1 stop6h 50m

฿10,535

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 22/1

06:05-12:44

2 stops9h 39m

Portland

Sun 25/1

05:30-15:20

1 stop6h 50m

฿10,696

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 16/1

16:44-00:17

1 stop10h 33m

Portland

Mon 19/1

19:37-08:53

2 stops10h 16m

฿10,696

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 10/1

08:00-16:30

2 stops11h 30m

Portland

Sat 17/1

09:20-22:57

2 stops10h 37m

฿10,889

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 16/1

18:56-09:49

1 stop17h 53m

Portland

Mon 19/1

08:02-16:01

Nonstop4h 59m

฿11,179

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 25/2

06:05-15:11

2 stops12h 06m

Portland

Sat 28/2

05:30-18:29

2 stops9h 59m

฿13,112

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 13/2

17:06-20:13

Nonstop6h 07m

Portland

Mon 16/2

13:36-16:06

1 stop23h 30m

฿14,530

Flights are sorted by cheapest return flights first.

Deals found on 26/11

Showing 1-10 of 60 results
1
2
3
...
6

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 ฿27,835). Flying from Washington, D.C. Reagan-National Airport in September will prove the most costly (average of ฿38,854). 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 (638 flights per day), Chicago (438 flights per day) and Atlanta (264 flights per day).

Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿5,009
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,173
Palm Beach Intl
Palm Beach Intl
From ฿5,314
Nashville Intl
Nashville Intl
From ฿2,529

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 ฿2,529. Explore other affordable destinations below.

Nashville Intl
Nashville Intl
From ฿2,529
Dallas/Fort Worth
Dallas/Fort Worth
From ฿3,173
Milwaukee-Mitchell
Milwaukee-Mitchell
From ฿5,009
Palm Beach Intl
Palm Beach Intl
From ฿5,314

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 27 November 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 27 November 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 ฿2,529 to Nashville (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿4,139 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 ฿15,356 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 ฿29,253

  • 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!

See more FAQs

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.