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Cheap flights from Washington, D.C. to Boston from £61

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 23/2. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
5 Mar — 12 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Washington, D.C. to Boston Logan Intl are usually found in February or March, booked 59 days in advance, depart on a Friday or Thursday and return on a Friday

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

Enter your travel dates to find the best prices.

Cheapest flights from Washington, D.C. to Boston
Explore the most affordable flight options available from Washington, D.C. to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 3 February 2026.

Tue 3/317:40
IAD
-
BOS
1 stop4h 11m
United Airlines
Sat 7/305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 31/1£114
Mon 2/317:34
IAD
-
BOS
1 stop4h 17m
United Airlines
Mon 9/305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 31/1£115
Mon 13/420:30
IAD
-
BOS
1 stop13h 51m
Frontier
Tue 14/412:55
BOS
-
IAD
1 stop11h 41m
Frontier
Deal found 3/2£117
Thu 19/313:00
DCA
-
BOS
Nonstop1h 31m
JetBlue
Thu 26/308:00
BOS
-
DCA
Nonstop1h 51m
JetBlue
Deal found 2/2£118
Thu 26/206:00
DCA
-
BOS
Nonstop1h 35m
Delta
Sun 1/307:30
BOS
-
DCA
Nonstop2h 01m
Delta
Deal found 2/2£121
Wed 11/322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Wed 18/312:07
BOS
-
IAD
1 stop4h 18m
United Airlines
Deal found 31/1£121
Sat 28/214:33
DCA
-
BOS
Nonstop1h 37m
Delta
Wed 4/309:30
BOS
-
DCA
Nonstop1h 51m
Delta
Deal found 2/2£122
Fri 13/322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Tue 17/319:34
BOS
-
IAD
Nonstop1h 42m
United Airlines
Deal found 2/2£122
Fri 5/611:30
DCA
-
BOS
Nonstop1h 30m
JetBlue
Fri 5/616:00
BOS
-
DCA
Nonstop1h 49m
JetBlue
Deal found 2/2£126
Thu 26/206:00
DCA
-
BOS
Nonstop1h 35m
Delta
Mon 2/319:00
BOS
-
DCA
1 stop4h 07m
Delta
Deal found 31/1£126
Mon 13/406:59
DCA
-
BOS
Nonstop1h 47m
American Airlines
Tue 14/409:00
BOS
-
DCA
Nonstop1h 44m
American Airlines
Deal found 2/2£129
Wed 18/217:34
IAD
-
BOS
1 stop4h 17m
United Airlines
Wed 25/209:30
BOS
-
IAD
Nonstop1h 44m
United Airlines
Deal found 31/1£129

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

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Boston (BOS). 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 3 February 2026.

Round-trip from

£114

One-way from

£61

Popular in

October

Cheapest in

February

Average price

£137

Good round-trip deal

£320 or less

Good one-way deal

£101 or less
United Airlines
  • United Airlines
  • 3/3-7/3
  • 1 total stop
  • 5h 55m total
  • Washington, D.C. to Boston
Search Deals
Delta
  • Delta
  • 23/2
  • Nonstop
  • 1h 40m total
  • Washington, D.C. to Boston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£10 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 February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Boston Logan Intl.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Washington, D.C. to Boston 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 3 February 2026.
Use the filters below to find and compare flights from Washington, D.C. to Boston that are best for you.

Fly from

Washington, D.C.

Fly to

Boston

Route

Depart

Return

Price

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 12/3

06:59-08:37

Nonstop1h 38m

Boston Logan Intl

Mon 16/3

21:55-23:44

Nonstop1h 49m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 5/3

11:05-15:16

1 stop4h 11m

Boston Logan Intl

Mon 9/3

10:30-15:23

1 stop4h 53m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 6/6

12:25-13:48

Nonstop1h 23m

Boston Logan Intl

Sun 7/6

07:25-09:06

Nonstop1h 41m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 30/7

06:00-07:43

Nonstop1h 43m

Boston Logan Intl

Mon 17/8

21:35-23:26

Nonstop1h 51m

£122

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Tue 17/3

17:55-19:36

Nonstop1h 41m

Boston Logan Intl

Wed 25/3

14:15-15:59

Nonstop1h 44m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Fri 20/3

22:00-23:30

Nonstop1h 30m

Boston Logan Intl

Sun 29/3

07:35-09:34

Nonstop1h 59m

£122

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Fri 6/3

22:20-23:57

Nonstop1h 37m

Boston Logan Intl

Sun 8/3

05:45-07:29

Nonstop1h 44m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 12/3

06:59-08:37

Nonstop1h 38m

Boston Logan Intl

Tue 17/3

09:45-11:36

Nonstop1h 51m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 8/4

06:00-07:37

Nonstop1h 37m

Boston Logan Intl

Mon 13/4

21:50-23:40

Nonstop1h 50m

£122

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 8/4

10:00-11:38

Nonstop1h 38m

Boston Logan Intl

Tue 14/4

21:50-23:40

Nonstop1h 50m

£122

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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Best time to book a flight from Washington, D.C. to Boston

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

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

Use this chart to determine the optimal time to book a return flight from Washington, D.C. to Boston. Price data was last updated on 30 January 2026.

The price you pay for your flight from Washington, D.C. to Boston may vary depending on when you book. For the best chance of a lower fare, look to book 59 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 Washington, D.C. to Boston?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of £34). Flying from Washington, D.C. to Boston in December is currently the most expensive (average of £86). 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 WAS to BOS?

Find hourly flight availability from Washington, D.C. to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 3 February 2026.

Unlike at midday, when flights are generally more expensive, you can save up to 59% on flights from Washington, D.C. to Boston by exploring options for tickets in the evening.

What is the cheapest day to fly from Washington, D.C. to Boston?

Use this chart to determine the cheapest time to fly return from Washington, D.C. to Boston. Price data was last updated on 31 January 2026.

Travellers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Explore weekly flight availability from Washington, D.C. to Boston. 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 3 February 2026.

The most flights from WAS to BOS are scheduled on a Friday (85 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (50 on average).

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

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

About 19% of weekly flights between Washington, D.C. and Boston have experienced delays in the past year, with the average delay time being 131 minutes.

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

Over the past year, Delta have had the lowest number of delays on this route, with just 15% of flights being delayed.

Related info for your journey

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

    Boston Logan Intl (BOS), located 2.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. to Boston. 0 airlines have flights to Logan Intl from Washington, D.C. on a regular basis. Booking flights from Washington, D.C. to Boston Logan Intl should not be difficult; the airport handles an average of 73 inbound flights from Washington, D.C. per day.

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

    Delta and United Airlines can get you from Washington, D.C. to Boston in just under 1h 38m. Your travel time will be generally consistent. Washington, D.C. and Boston are separated by a distance of 398 mi. Most flights are nonstop.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Boston on time: Egyptair (94%), Air China (88%), Avianca (85%).

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

    Looking at all options, your cheapest flight can be booked for £213. While the most popular route (Washington, D.C. Reagan-National - Boston Logan Intl) can be booked for £118 on average, our data indicates £320 when flying from Washington, D.C. to Boston.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of £34). Flying from Washington, D.C. to Boston in December is currently the most expensive (average of £86). 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 Boston?

Book flights to Boston if you plan to visit one of these locations
Burlington
Canton
Warwick
Cambridge
Peabody
Somerville
Quincy
Waltham
Chelmsford

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Boston

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

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Washington, D.C. to Boston.

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Washington, D.C. to Boston flexibly with Cheapflights today.

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Of course! You can now track prices for flights from Washington, D.C. to Boston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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