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Cheap flights from Boston to Washington, D.C. from £73

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 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in September or December, booked 37 days in advance, depart on a Sunday or Friday and return on a Thursday

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

Enter your travel dates to find the best prices.

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 18 June 2026.

Tue 6/1012:36
BOS
-
IAD
1 stop3h 47m
United Airlines
Tue 13/1022:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 15/6£131
Sat 8/807:25
BOS
-
DCA
Nonstop1h 58m
Delta
Tue 11/822:00
DCA
-
BOS
Nonstop1h 42m
Delta
Deal found 15/6£131
Tue 7/721:48
BOS
-
DCA
Nonstop1h 56m
Delta
Mon 13/706:59
DCA
-
BOS
Nonstop1h 42m
Delta
Deal found 15/6£132
Tue 7/705:45
BOS
-
IAD
Nonstop1h 38m
United Airlines
Sat 11/715:30
IAD
-
BOS
Nonstop1h 54m
United Airlines
Deal found 16/6£133
Thu 2/706:15
BOS
-
DCA
Nonstop1h 42m
JetBlue
Tue 7/713:25
DCA
-
BOS
Nonstop1h 34m
JetBlue
Deal found 14/6£133
Tue 14/705:45
BOS
-
IAD
Nonstop1h 38m
United Airlines
Wed 22/722:10
IAD
-
BOS
Nonstop1h 49m
United Airlines
Deal found 17/6£134
Wed 15/707:25
BOS
-
DCA
Nonstop1h 56m
Delta
Sat 18/717:45
DCA
-
BOS
Nonstop1h 51m
Delta
Deal found 17/6£135
Wed 15/705:45
BOS
-
IAD
Nonstop1h 38m
United Airlines
Sun 19/722:10
IAD
-
BOS
Nonstop1h 49m
United Airlines
Deal found 18/6£136
Tue 7/720:06
BOS
-
DCA
Nonstop1h 44m
JetBlue
Mon 13/714:25
DCA
-
BOS
Nonstop1h 35m
JetBlue
Deal found 15/6£136
Thu 9/709:25
BOS
-
IAD
Nonstop1h 42m
United Airlines
Wed 15/722:10
IAD
-
BOS
Nonstop1h 49m
United Airlines
Deal found 15/6£137
Tue 7/712:35
BOS
-
DCA
Nonstop1h 52m
Delta
Tue 14/713:30
DCA
-
BOS
1 stop5h 10m
Delta
Deal found 16/6£137
Tue 8/909:30
BOS
-
IAD
Nonstop1h 41m
United Airlines
Fri 11/922:15
IAD
-
BOS
Nonstop1h 44m
United Airlines
Deal found 17/6£138

Find 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 18 June 2026.

Round-trip from

£131

One-way from

£73

Popular in

June

Cheapest in

September

Average price

£206

Good round-trip deal

£521 or less

Good one-way deal

£106 or less
United Airlines
  • United Airlines
  • 6/10-13/10
  • 1 total stop
  • 5h 31m total
  • Boston to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 22/10
  • Nonstop
  • 1h 35m total
  • Boston to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from Boston Logan Intl to Washington, D.C. (WAS).
Search Deals
Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. (WAS).
Search Deals

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 18 June 2026.
Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 2/7

06:15-07:57

Nonstop1h 42m

Washington, D.C. Reagan-National

Tue 7/7

13:25-14:59

Nonstop1h 34m

£133

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sun 23/8

06:05-10:09

1 stop4h 04m

Washington, D.C. Reagan-National

Wed 26/8

18:35-20:34

Nonstop1h 59m

£136

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 29/7

09:25-11:07

Nonstop1h 42m

Washington, D.C. Dulles Intl

Sat 1/8

06:33-09:53

1 stop3h 20m

£160

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 17/7

21:48-23:44

Nonstop1h 56m

Washington, D.C. Reagan-National

Fri 24/7

22:00-23:42

Nonstop1h 42m

£166

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 16/7

05:45-07:23

Nonstop1h 38m

Washington, D.C. Dulles Intl

Tue 21/7

17:42-21:55

1 stop4h 13m

£170

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 1/10

12:36-16:23

1 stop3h 47m

Washington, D.C. Dulles Intl

Wed 7/10

13:10-14:55

Nonstop1h 45m

£173

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 16/7

06:00-07:49

Nonstop1h 49m

Washington, D.C. Reagan-National

Sat 18/7

17:29-23:59

1 stop6h 30m

£173

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 17/7

09:15-11:07

Nonstop1h 52m

Washington, D.C. Reagan-National

Mon 20/7

11:00-14:23

1 stop3h 23m

£173

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 16/7

12:35-14:27

Nonstop1h 52m

Washington, D.C. Reagan-National

Mon 20/7

11:00-14:23

1 stop3h 23m

£173

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 11/7

17:50-19:46

Nonstop1h 56m

Washington, D.C. Reagan-National

Fri 17/7

22:00-23:42

Nonstop1h 42m

£173

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 45 resultsSorted by cheapest first
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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.

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

Currently, September is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £144). Flying from Boston to Washington, D.C. in May is currently the most expensive (average of £231). 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 18 June 2026.

A simple way to save on the total cost of your ticket is to fly from Boston to Washington, D.C. in the afternoon. If you’re flexible enough to do this you can expect to save up to 34% 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 18 June 2026.

The most flights from BOS to WAS are scheduled on a Thursday (80 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (26 on average).

How much does it cost for a return flight from Boston to Washington, D.C.?

How often are flights from Boston to Washington, D.C. delayed?

About 19% of weekly flights between Boston and Washington, D.C. have experienced delays in the past year, with the average delay time being 132 minutes.

What is the most punctual flight time for Boston to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Boston to Washington, D.C. flights?

Over the past year, American Airlines have had the lowest number of delays on this route, with just 18% of flights being delayed.

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

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 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 18 June 2026.
Read reviews from past customers who have flown with JetBlue 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.
JetBlue
7.1
Good
2,984 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Food

6.6

Overall

7.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat
JetBlue
7.1
Good
2,984 reviews
JetBlue
7.1
Good
2,984 reviews
Check prices

Boarding

7.3

Entertainment

7.2

Comfort

7.5

Food

6.6

Overall

7.1

Crew

7.9

Reviews

1 / 20
10.0
Excellent

Dave,Jun 2026

MCO - ROC

When i book 2 tickets they should keep them together even though I can't choose a seat

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 61 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 35m. Fly via JetBlue, Delta, or United Airlines to get the fastest option. There are 411 mi between Boston and Washington, D.C.. Both multi-stop and direct flights can be found to your destination and back.

  • 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%), Egyptair (96%) and Air China (94%).

  • 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 £527, our data indicates the cheapest price to be £521. The most popular route (Boston Logan Intl - Washington, D.C. Reagan-National), is priced around £87.

  • 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, September is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £144). Flying from Boston to Washington, D.C. in May is currently the most expensive (average of £231). 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
Gaithersburg
Woodbridge
Alexandria

Browse thousands of different options on Cheapflights for your next trip

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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 Reagan-National flights
Boston to Dulles Intl flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Boston to Washington, D.C.?

Cheapflights makes it easy to find Boston to Washington, D.C. flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Washington, D.C. from Boston.

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.

Can Cheapflights notify me if prices for flights from Boston to Washington, D.C. become cheaper?

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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