฿4,156+ 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 20/10. 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
18 Oct — 25 Oct1
1 adult
1 adult, Economy

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 18 September 2025.

Good one-way deal

฿2,490 or less
Price to beat on a one-way flight from Washington, D.C. Reagan-National.

Find flights from Reagan-National

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 18 September 2025.

Sat 1/1117:53DCA - PDX
Nonstop5h 57mฮาวายเอี้ยนแอร์ไลน์
Tue 11/1108:03PDX - DCA
Nonstop4h 57mฮาวายเอี้ยนแอร์ไลน์
Deal found 18/9฿8,788
Wed 29/1008:59DCA - PDX
1 stop10h 59mฮาวายเอี้ยนแอร์ไลน์
Wed 5/1108:03PDX - DCA
Nonstop4h 57mฮาวายเอี้ยนแอร์ไลน์
Deal found 17/9฿9,106
Wed 29/1008:59DCA - PDX
1 stop10h 59mอลาสกาแอร์ไลน์
Wed 5/1107:20PDX - DCA
1 stop9h 40mอลาสกาแอร์ไลน์
Deal found 16/9฿9,391
Sat 15/1107:00DCA - PDX
1 stop8h 52mเดลต้า
Tue 18/1100:35PDX - DCA
1 stop7h 37mเดลต้า
Deal found 18/9฿9,423
Tue 16/1212:55DCA - PDX
2 stops10h 00mเซาท์เวสต์แอร์ไลน์
Sat 10/106:00PDX - DCA
1 stop6h 25mเซาท์เวสต์แอร์ไลน์
Deal found 16/9฿9,486
Sat 8/1117:53DCA - PDX
Nonstop5h 57mอลาสกาแอร์ไลน์
Tue 11/1117:41PDX - DCA
1 stop21h 17mอลาสกาแอร์ไลน์
Deal found 16/9฿9,518
Sat 8/1117:53DCA - PDX
Nonstop5h 57mอลาสกาแอร์ไลน์
Wed 12/1107:20PDX - DCA
1 stop9h 40mอลาสกาแอร์ไลน์
Deal found 16/9฿9,740
Thu 15/113:00DCA - PDX
1 stop8h 56mUnited Airlines
Tue 20/107:00PDX - DCA
1 stop6h 59mUnited Airlines
Deal found 16/9฿9,899
Tue 28/1008:59DCA - PDX
1 stop10h 59mอลาสกาแอร์ไลน์
Fri 31/1007:10PDX - DCA
1 stop10h 55mอลาสกาแอร์ไลน์
Deal found 18/9฿10,026
Tue 28/1017:10DCA - PDX
1 stop8h 17mเดลต้า
Wed 29/1000:40PDX - DCA
1 stop7h 31mเดลต้า
Deal found 17/9฿10,058
Sat 6/1206:05DCA - PDX
1 stop9h 10mเซาท์เวสต์แอร์ไลน์
Sat 13/1205:15PDX - DCA
2 stops10h 10mเซาท์เวสต์แอร์ไลน์
Deal found 16/9฿10,121
Sat 8/1117:53DCA - PDX
Nonstop5h 57mอลาสกาแอร์ไลน์
Sat 15/1106:00PDX - DCA
1 stop12h 59mอลาสกาแอร์ไลน์
Deal found 18/9฿10,153

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 18 September 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

Sat 8/11

17:53-20:50

Nonstop5h 57m

Portland

Sat 15/11

08:03-16:00

Nonstop4h 57m

฿8,788

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 15/11

07:00-12:52

1 stop8h 52m

Portland

Tue 18/11

00:35-11:12

1 stop7h 37m

฿9,423

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 16/12

12:55-19:55

2 stops10h 00m

Portland

Sat 10/1

06:00-15:25

1 stop6h 25m

฿9,486

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 8/11

18:58-09:49

1 stop17h 51m

Portland

Sat 15/11

08:03-16:00

Nonstop4h 57m

฿9,740

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 12/11

08:59-16:58

1 stop10h 59m

Portland

Mon 17/11

07:10-21:05

1 stop10h 55m

฿10,026

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 4/12

16:35-22:00

1 stop8h 25m

Portland

Tue 9/12

06:05-18:15

2 stops9h 10m

฿10,216

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 5/11

08:59-16:58

1 stop10h 59m

Portland

Sun 9/11

08:03-16:00

Nonstop4h 57m

฿10,375

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Mon 27/10

16:59-22:40

1 stop8h 41m

Portland

Wed 29/10

00:40-11:11

1 stop7h 31m

฿10,597

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 7/11

18:58-20:50

1 stop28h 52m

Portland

Sat 15/11

08:03-16:00

Nonstop4h 57m

฿11,105

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Tue 30/12

06:00-23:20

2 stops29h 20m

Bangkok Suvarnabhumi

Tue 27/1

09:40-23:33

2 stops25h 53m

฿29,475

Flights are sorted by cheapest return flights first.

Deals found on 16/9

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 ฿27,444). Flying from Washington, D.C. Reagan-National Airport in February will prove the most costly (average of ฿52,064). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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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 18 September 2025.

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 18 September 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, Atlanta, Denver. While Boston, Denver, Atlanta 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 ฿2,490 to Nashville (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿3,690 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 ฿15,122 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 February 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 ฿28,872

  • 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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