฿3,459+ 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 24/11. 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 Dec — 18 Dec1
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 November 2025.

Good round-trip deal

฿5,333 or less

Good one-way deal

฿2,538 or less
Price to beat on a round-trip flight from Washington, D.C. Reagan-National.
Price to beat on a one-way flight from Washington, D.C. Reagan-National.

Find flights from 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 11 November 2025.

Tue 9/1217:08DCA - PDX
Nonstop6h 11mอลาสกาแอร์ไลน์
Sat 13/1210:40PDX - DCA
1 stop8h 19mอลาสกาแอร์ไลน์
Deal found 9/11฿9,409
Fri 9/113:40DCA - PDX
2 stops10h 19mเดลต้า
Tue 13/105:23PDX - DCA
1 stop6h 57mเดลต้า
Deal found 10/11฿9,441
Tue 10/309:59DCA - PDX
1 stop9h 42mฮาวายเอี้ยนแอร์ไลน์
Wed 11/307:18PDX - DCA
1 stop10h 44mฮาวายเอี้ยนแอร์ไลน์
Deal found 10/11฿9,570
Mon 8/1217:08DCA - PDX
Nonstop6h 11mอลาสกาแอร์ไลน์
Tue 16/1208:05PDX - DCA
Nonstop4h 55mอลาสกาแอร์ไลน์
Deal found 9/11฿9,602
Wed 3/1217:08DCA - PDX
Nonstop6h 11mอลาสกาแอร์ไลน์
Wed 24/1213:51PDX - DCA
1 stop23h 14mอลาสกาแอร์ไลน์
Deal found 11/11฿9,732
Fri 16/117:01DCA - PDX
1 stop22h 37mอลาสกาแอร์ไลน์
Mon 19/108:02PDX - DCA
Nonstop4h 59mอลาสกาแอร์ไลน์
Deal found 10/11฿9,764
Sat 13/1206:10DCA - PDX
2 stops10h 03mเดลต้า
Sat 13/1223:20PDX - DCA
1 stop6h 21mเดลต้า
Deal found 9/11฿9,926
Fri 12/1206:10DCA - PDX
2 stops12h 23mเดลต้า
Tue 16/1209:10PDX - DCA
2 stops11h 06mเดลต้า
Deal found 9/11฿9,958
Sun 14/1216:55DCA - PDX
1 stop8h 45mเดลต้า
Wed 7/109:20PDX - DCA
2 stops10h 39mเดลต้า
Deal found 10/11฿10,087
Tue 2/1216:55DCA - PDX
1 stop10h 21mเดลต้า
Mon 8/1219:30PDX - DCA
2 stops10h 40mเดลต้า
Deal found 9/11฿10,217
Mon 16/209:59DCA - BKK
2 stops51h 36mChina Airlines
Wed 11/310:55BKK - DCA
2 stops44h 05mChina Airlines
Deal found 10/11฿28,193
Sun 7/1209:59DCA - BKK
2 stops39h 06mChina Airlines
Tue 16/1210:55BKK - DCA
2 stops45h 05mChina Airlines
Deal found 10/11฿28,420

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 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 3/12

17:31-00:16

2 stops9h 45m

Portland

Sun 7/12

05:30-15:27

1 stop6h 57m

฿9,441

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 25/2

16:44-00:17

1 stop10h 33m

Portland

Sat 28/2

11:10-22:59

2 stops8h 49m

฿9,441

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 9/1

13:40-20:59

2 stops10h 19m

Portland

Wed 14/1

05:23-15:20

1 stop6h 57m

฿9,441

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Tue 9/12

17:08-20:19

Nonstop6h 11m

Portland

Sun 14/12

08:05-16:00

Nonstop4h 55m

฿9,602

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Fri 9/1

17:09-20:11

Nonstop6h 02m

Portland

Wed 14/1

08:02-16:01

Nonstop4h 59m

฿9,602

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Sat 13/12

14:00-22:37

2 stops11h 37m

Portland

Mon 15/12

05:30-18:26

2 stops9h 56m

฿9,635

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Thu 15/1

08:00-12:38

1 stop7h 38m

Portland

Sun 18/1

08:02-16:01

Nonstop4h 59m

฿9,764

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 28/1

08:00-22:46

1 stop17h 46m

Portland

Sun 1/2

08:02-16:01

Nonstop4h 59m

฿9,764

Washington, D.C.Portland

DCA - PDX

DCAPDX

Washington, D.C. Reagan-National

Wed 17/12

17:31-00:15

2 stops9h 44m

Portland

Tue 6/1

05:23-15:20

1 stop6h 57m

฿9,764

Washington, D.C.Bangkok

DCA - BKK

DCABKK

Washington, D.C. Reagan-National

Wed 3/12

06:29-00:55

2 stops30h 26m

Bangkok Suvarnabhumi

Wed 10/12

00:55-11:37

2 stops22h 42m

฿30,618

Flights are sorted by cheapest return flights first.

Deals found on 11/11

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 ฿27,967). Flying from Washington, D.C. Reagan-National Airport in February will prove the most costly (average of ฿53,056). 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 11 November 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 11 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 ฿2,538 to Nashville (prices may vary depending on the airline and departure time). On average, users have booked flights for ฿4,153 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 ฿15,411 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 ฿28,193

  • 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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