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Cheap flights from Boston to Washington, D.C. Reagan-National Airport from £57

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — DCA
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. Reagan-National are usually found in January or February, booked 70 days in advance, depart on a Wednesday or Thursday and return on a Saturday

Cheap flight deals from Boston to Reagan-National

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 September 2025.

Round-trip from

£116

One-way from

£57

Popular in

April

Cheapest in

January

Average price

£170

Good round-trip deal

£134 or less

Good one-way deal

£51 or less
United Airlines
  • United Airlines
  • 1/10-2/10
  • 2 total stops
  • 9h 31m total
  • Boston to Washington, D.C.
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United Airlines
  • United Airlines
  • 21/10
  • 1 total stop
  • 5h 14m total
  • Boston to Washington, D.C.
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Highest demand for flights based on searches. 7% potential increase in price (£10 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£3 potential savings vs. average return price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Boston Logan Intl to Washington, D.C. Reagan-National.
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Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. Reagan-National.
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Find flight deals from Boston to Reagan-National

Cheapest flights from Boston to Reagan-National
Explore the most affordable flight options available from Boston to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Wed 1/1012:10BOS - DCA
1 stop4h 12mUnited Airlines
Thu 2/1011:03DCA - BOS
1 stop5h 19mUnited Airlines
Deal found 15/9£116
Thu 23/1007:35BOS - DCA
Nonstop2h 01mDelta
Mon 27/1022:00DCA - BOS
Nonstop1h 40mDelta
Deal found 13/9£117
Thu 30/1011:25BOS - DCA
1 stop3h 25mJetBlue
Thu 6/1107:00DCA - BOS
Nonstop1h 29mJetBlue
Deal found 15/9£118
Fri 17/1021:59BOS - DCA
Nonstop1h 53mDelta
Mon 20/1022:00DCA - BOS
Nonstop1h 40mDelta
Deal found 14/9£119
Fri 26/906:30BOS - DCA
Nonstop1h 39mJetBlue
Wed 1/1008:00DCA - BOS
Nonstop1h 33mJetBlue
Deal found 15/9£123
Tue 21/1008:00BOS - DCA
1 stop6h 22mUnited Airlines
Tue 21/1019:00DCA - BOS
1 stop3h 56mUnited Airlines
Deal found 12/9£124
Tue 25/1110:50BOS - DCA
1 stop4h 09mJetBlue
Tue 2/1218:59DCA - BOS
Nonstop1h 30mJetBlue
Deal found 15/9£125
Mon 20/1006:00BOS - DCA
1 stop3h 58mUnited Airlines
Thu 23/1007:00DCA - BOS
1 stop4h 07mUnited Airlines
Deal found 13/9£126
Sat 25/1018:45BOS - DCA
Nonstop2h 07mJetBlue
Sun 26/1007:00DCA - BOS
Nonstop1h 29mJetBlue
Deal found 15/9£127
Sat 8/1106:00BOS - DCA
1 stop5h 25mUnited Airlines
Sat 8/1116:30DCA - BOS
1 stop6h 18mUnited Airlines
Deal found 15/9£127
Thu 30/1012:10BOS - DCA
Nonstop1h 43mJetBlue
Sun 9/1106:24DCA - BOS
1 stop3h 36mJetBlue
Deal found 15/9£129
Fri 24/1017:15BOS - DCA
1 stop5h 41mJetBlue
Sat 25/1018:55DCA - BOS
Nonstop1h 35mJetBlue
Deal found 15/9£130

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Reagan-National that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Boston to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Boston

Fly to

Reagan-National

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 30/10

07:30-11:53

1 stop4h 23m

Washington, D.C. Reagan-National

Sat 1/11

12:30-17:27

1 stop4h 57m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 31/10

07:30-11:25

1 stop3h 55m

Washington, D.C. Reagan-National

Sat 1/11

14:00-18:32

1 stop4h 32m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 12/12

06:00-11:25

1 stop5h 25m

Washington, D.C. Reagan-National

Sun 14/12

07:00-10:58

1 stop3h 58m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 8/10

08:00-14:22

1 stop6h 22m

Washington, D.C. Reagan-National

Wed 15/10

10:33-15:13

1 stop4h 40m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 1/10

08:00-12:19

1 stop4h 19m

Washington, D.C. Reagan-National

Fri 3/10

16:00-20:01

1 stop4h 01m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 30/10

08:10-10:00

Nonstop1h 50m

Washington, D.C. Reagan-National

Fri 7/11

15:09-16:45

Nonstop1h 36m

£119

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 21/10

08:00-14:22

1 stop6h 22m

Washington, D.C. Reagan-National

Tue 21/10

19:00-22:56

1 stop3h 56m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 25/10

18:45-20:52

Nonstop2h 07m

Washington, D.C. Reagan-National

Sun 26/10

07:00-08:29

Nonstop1h 29m

£127

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 1/11

06:00-11:25

1 stop5h 25m

Washington, D.C. Reagan-National

Sat 1/11

16:00-22:48

1 stop6h 48m

£127

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 1/11

18:34-22:58

1 stop4h 24m

Washington, D.C. Reagan-National

Mon 10/11

20:50-22:26

Nonstop1h 36m

£129

Flights are sorted by cheapest return flights first.

Deals found on 13/9

Showing 1-10 of 22 results
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Best time to book a flight from Boston to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Boston 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.

Cheapflights Insights

Everything you need to know about your flight from Boston to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Boston to Washington, D.C. Reagan-National Airport?

Use this chart to determine the optimal time to book a return flight from Boston to Reagan-National. Price data was last updated on 12 September 2025.

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Boston to Washington, D.C. Reagan-National Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Boston to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Boston to Washington, D.C. Reagan-National Airport (average of £625). Flying from Boston to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £855). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from BOS to DCA?

Find hourly flight availability from Boston to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Washington, D.C. Reagan-National Airport at midday. If you’re flexible enough to do this you can expect to save up to 57% on your trip compared to booking a flight in the afternoon.

Related info for your journey

Find useful and relevant information for your journey from Boston to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Boston to Washington, D.C. Reagan-National?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Washington, D.C. Reagan-National. You should not have trouble finding flights to Washington, D.C. Reagan-National from Logan Intl; the airport handles an average of 54 outbound flights to Washington, D.C. Reagan-National per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the Boston airport to Washington, D.C. Reagan-National. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How long is the flight from Boston to Washington, D.C. Reagan-National Airport?

    Airlines like United Airlines fly from Boston to Washington, D.C. Reagan-National Airport in about 4h 23m. The time it takes to get you to your destination can typically vary by up to . Boston and Washington, D.C. Reagan-National Airport are separated by a distance of 398 mi.

  • What are the most reliable airlines from Boston to Washington, D.C. Reagan-National Airport?

    The top 3 most reliable airlines when flying from Boston to Washington, D.C. Reagan-National Airport are Air France (100%), ITA Airways (100%) and Korean Air (93%).

  • What are the cheapest flights from Boston to Washington, D.C. Reagan-National Airport?

    Looking at all options, your cheapest flight can be booked for £51. While the most popular route (Boston Logan Intl - Washington, D.C. Reagan-National) can be booked for £214 on average, our data indicates £104 when flying from Boston to Washington, D.C. Reagan-National Airport.

  • Can I find deals for flights from Boston to Reagan-National that include hotel bookings?

    Yes. In addition to deals on Boston to Reagan-National flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Reagan-National?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Reagan-National.

  • Can I find deals for business class flights from Boston to Reagan-National?

    Yes. Cheapflights offers flight deals from Boston to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Washington, D.C. Reagan-National Airport?

    Currently, February is the cheapest month in which you can book a flight from Boston to Washington, D.C. Reagan-National Airport (average of £625). Flying from Boston to Washington, D.C. Reagan-National Airport in July is currently the most expensive (average of £855). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Washington, D.C. Reagan-National Airport?

Book flights to Washington, D.C. Reagan-National Airport if you plan to visit one of these locations
Silver Spring
Hanover
Oxon Hill
Woodbridge
Arlington
College Park
Tysons

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Alternative routes for Boston to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.
Boston to Dulles Intl flights

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How does Cheapflights help users find flights from Boston to Reagan-National?

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Why should you use Cheapflights to find cheap flight tickets from Boston to Reagan-National?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Boston to Reagan-National for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Boston to Reagan-National with no change fees?

Certainly. Search results for flights to Reagan-National from Boston shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Boston to Reagan-National become cheaper?

Yes! Start tracking prices for Boston to Reagan-National flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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