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Cheap flights from Boston to Washington, D.C. from £58

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 — WAS
16 Oct — 23 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or March, booked 35 days in advance, depart on a Thursday or Wednesday and return on a Saturday

Cheap flight deals from Boston to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Washington, D.C. (WAS). 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 16 September 2025.

Round-trip from

£114

One-way from

£58

Popular in

November

Cheapest in

January

Average price

£145

Good round-trip deal

£134 or less

Good one-way deal

£51 or less
United Airlines
  • United Airlines
  • 23/10-25/10
  • Nonstop
  • 3h 21m total
  • Boston to Washington, D.C.
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United Airlines
  • United Airlines
  • 21/10
  • 1 total stop
  • 5h 31m total
  • Boston to Washington, D.C.
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Highest demand for flights based on searches. 4% potential increase in price (£5 potential increase over avg. return price).
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Cheapest flight prices on average. 1% potential price decrease (£2 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. (WAS).
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Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. (WAS).
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Find flight deals from Boston to Washington, D.C.

Cheapest flights from Boston to Washington, D.C.
Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 16 September 2025.

Thu 23/1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Sat 25/1017:16IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 15/9£114
Thu 2/1010:34BOS - IAD
1 stop5h 31mUnited Airlines
Sun 5/1006:15IAD - BOS
1 stop4h 53mUnited Airlines
Deal found 16/9£116
Fri 3/1008:00BOS - DCA
1 stop6h 22mUnited Airlines
Sun 5/1007:00DCA - BOS
1 stop4h 08mUnited Airlines
Deal found 15/9£116
Fri 17/1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Mon 20/1006:15IAD - BOS
1 stop4h 53mUnited Airlines
Deal found 15/9£116
Thu 9/1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Sat 11/1017:16IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 15/9£118
Thu 30/1011:25BOS - DCA
1 stop3h 25mJetBlue
Thu 6/1107:00DCA - BOS
Nonstop1h 29mJetBlue
Deal found 15/9£118
Sat 1/1105:30BOS - IAD
Nonstop1h 43mUnited Airlines
Sun 2/1105:00IAD - BOS
1 stop4h 43mUnited Airlines
Deal found 16/9£119
Fri 17/1021:59BOS - DCA
Nonstop1h 53mDelta
Mon 20/1022:00DCA - BOS
Nonstop1h 40mDelta
Deal found 14/9£119
Sat 18/1019:08BOS - IAD
Nonstop1h 44mUnited Airlines
Tue 21/1008:30IAD - BOS
1 stop4h 55mUnited Airlines
Deal found 15/9£120
Tue 7/1010:34BOS - IAD
1 stop5h 31mUnited Airlines
Thu 9/1022:19IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 14/9£121
Fri 3/1005:30BOS - IAD
Nonstop1h 41mUnited Airlines
Mon 20/1022:19IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 15/9£122
Sat 27/905:30BOS - IAD
Nonstop1h 41mUnited Airlines
Wed 1/1022:19IAD - BOS
Nonstop1h 40mUnited Airlines
Deal found 15/9£123

Cheapflights Fare Finder

 
Customise your flight search to find flights from Boston to Washington, D.C. 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 16 September 2025.
Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Fly from

Boston

Fly to

Washington, D.C.

Route

Depart

Return

Price

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 23/10

05:30-07:11

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sat 25/10

17:16-18:56

Nonstop1h 40m

£114

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 2/10

10:34-16:05

1 stop5h 31m

Washington, D.C. Dulles Intl

Sun 5/10

06:15-11:08

1 stop4h 53m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 9/10

06:00-12:19

1 stop6h 19m

Washington, D.C. Reagan-National

Sun 12/10

07:00-11:08

1 stop4h 08m

£116

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 21/10

08:00-12:19

1 stop4h 19m

Washington, D.C. Reagan-National

Mon 3/11

19:00-22:47

1 stop3h 47m

£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 - IAD

BOSIAD

Boston Logan Intl

Fri 17/10

05:30-07:11

Nonstop1h 41m

Washington, D.C. Dulles Intl

Mon 20/10

06:15-11:08

1 stop4h 53m

£116

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 21/11

05:30-07:13

Nonstop1h 43m

Washington, D.C. Dulles Intl

Mon 24/11

09:00-10:38

Nonstop1h 38m

£118

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Mon 27/10

05:30-07:13

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 1/11

22:07-23:42

Nonstop1h 35m

£118

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

Sat 18/10

07:35-09:36

Nonstop2h 01m

Washington, D.C. Reagan-National

Wed 22/10

06:00-07:43

Nonstop1h 43m

£119

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 44 results
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Best time to book a flight from Boston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. 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.

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

Use this chart to determine the optimal time to book a return flight from Boston to Washington, D.C.. Price data was last updated on 12 September 2025.

The price you pay for your flight from Boston to Washington, D.C. may vary depending on when you book. For the best chance of a lower fare, look to book 35 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £599). Flying from Boston to Washington, D.C. in July is currently the most expensive (average of £947). 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 WAS?

Find hourly flight availability from Boston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 16 September 2025.

A simple way to save on the total cost of your ticket is to fly from Boston to Washington, D.C. in the morning. If you’re flexible enough to do this you can expect to save up to 58% on your trip compared to booking a flight at midday.

Weekly flight availability from Boston to Washington, D.C.

Explore weekly flight availability from Boston to Washington, D.C.. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 16 September 2025.

The most flights from BOS to WAS are scheduled on a Sunday (82 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (54 on average).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington, D.C.. Reviews last updated 16 September 2025.
Read reviews from past customers who have flown with American Airlines from Boston to Washington, D.C.. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews
Check prices

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews
Check prices

Entertainment

6.9

Overall

7.2

Crew

8.0

Food

6.4

Boarding

7.5

Comfort

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sept 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Boston to Washington, D.C.. 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.?

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly out of when you book flights from Boston to Washington, D.C.. 0 airlines have flights from Logan Intl to Washington, D.C. on a regular basis. Booking flights from Boston Logan Intl to Washington, D.C. should not be difficult; the airport handles an average of 66 outbound flights to Washington, D.C. per day.

  • How long is the flight from Boston to Washington, D.C.?

    There are many flights that can get you from Boston to Washington, D.C. in 1h 41m. Fly via United Airlines, JetBlue, or Delta to get the fastest option. There are 411 mi between Boston and Washington, D.C.. Generally, flights for this route are direct.

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

    The top 3 most reliable airlines when flying from Boston to Washington, D.C. are Ethiopian Air (97%), Air China (94%) and Egyptair (92%).

  • What are the cheapest flights from Boston to Washington, D.C.?

    Looking for the cheapest flight from Boston to Washington, D.C.? While on average our users pay £119, our data indicates the cheapest price to be £73. The most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl), is priced around £152.

  • Can I find deals for flights from Boston to Washington, D.C. that include hotel bookings?

    Yes. In addition to deals on Boston to Washington, D.C. flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Boston to Washington, D.C.?

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

  • Can I find deals for business class flights from Boston to Washington, D.C.?

    Yes. Cheapflights offers flight deals from Boston to Washington, D.C. 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.?

    Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £599). Flying from Boston to Washington, D.C. in July is currently the most expensive (average of £947). 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.?

Book flights to Washington, D.C. 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 Washington, D.C.

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

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Why should you use Cheapflights to find cheap flight tickets from Boston to Washington, D.C.?

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Can Cheapflights find flights from Boston to Washington, D.C. with no change fees?

Yes, we can. To see specific flights from Boston to Washington, D.C. with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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