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Cheap flights from Boston to Washington, D.C. from £63

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 19/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in March or February, booked 74 days in advance, depart on a Friday or Wednesday and return on a Friday

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 22 January 2026.

Tue 10/310:30
BOS
-
IAD
1 stop5h 55m
United Airlines
Sun 15/306:00
IAD
-
BOS
1 stop5h 06m
United Airlines
Deal found 20/1£117
Sat 21/207:48
BOS
-
DCA
1 stop4h 35m
United Airlines
Fri 27/206:00
DCA
-
BOS
1 stop4h 55m
United Airlines
Deal found 20/1£117
Tue 17/205:35
BOS
-
IAD
Nonstop1h 44m
United Airlines
Wed 18/217:34
IAD
-
BOS
1 stop4h 17m
United Airlines
Deal found 20/1£118
Thu 5/316:00
BOS
-
DCA
Nonstop1h 49m
JetBlue
Tue 10/306:00
DCA
-
BOS
1 stop4h 20m
JetBlue
Deal found 21/1£118
Thu 12/205:35
BOS
-
IAD
Nonstop1h 44m
United Airlines
Mon 16/222:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Deal found 19/1£120
Wed 4/219:07
BOS
-
IAD
Nonstop1h 46m
United Airlines
Sat 7/212:40
IAD
-
BOS
Nonstop1h 37m
United Airlines
Deal found 20/1£121
Wed 4/215:45
BOS
-
DCA
Nonstop1h 49m
JetBlue
Sat 7/209:00
DCA
-
BOS
Nonstop1h 34m
JetBlue
Deal found 21/1£121
Wed 18/210:30
BOS
-
IAD
1 stop5h 57m
United Airlines
Fri 20/208:36
IAD
-
BOS
1 stop4h 17m
United Airlines
Deal found 20/1£124
Fri 20/305:45
BOS
-
IAD
Nonstop1h 44m
United Airlines
Mon 23/322:20
IAD
-
BOS
Nonstop1h 37m
United Airlines
Deal found 20/1£124
Sat 21/311:15
BOS
-
DCA
Nonstop1h 48m
JetBlue
Sun 22/319:35
DCA
-
BOS
Nonstop1h 34m
JetBlue
Deal found 19/1£124
Sat 21/218:25
BOS
-
IAD
1 stop4h 56m
United Airlines
Sat 28/206:00
IAD
-
BOS
1 stop5h 10m
United Airlines
Deal found 21/1£125
Tue 7/411:09
BOS
-
DCA
Nonstop1h 50m
American Airlines
Sat 11/422:00
DCA
-
BOS
Nonstop1h 39m
American Airlines
Deal found 21/1£125

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 22 January 2026.

Round-trip from

£117

One-way from

£63

Popular in

November

Cheapest in

March

Average price

£147

Good one-way deal

£144 or less
United Airlines
  • United Airlines
  • 10/3-15/3
  • 2 total stops
  • 9h 24m total
  • Boston to Washington, D.C.
Search Deals
United Airlines
  • United Airlines
  • 19/3
  • Nonstop
  • 1h 44m total
  • Boston to Washington, D.C.
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£14 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 January 2026
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 22 January 2026.
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 - DCA

BOSDCA

Boston Logan Intl

Wed 11/3

10:30-14:23

1 stop3h 53m

Washington, D.C. Reagan-National

Mon 16/3

15:25-20:15

1 stop4h 50m

£117

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 6/2

05:45-07:31

Nonstop1h 46m

Washington, D.C. Dulles Intl

Sun 8/2

09:00-10:36

Nonstop1h 36m

£121

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 25/3

15:30-17:18

Nonstop1h 48m

Washington, D.C. Reagan-National

Sun 29/3

20:00-21:34

Nonstop1h 34m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 30/5

07:30-09:26

Nonstop1h 56m

Washington, D.C. Reagan-National

Sun 31/5

07:00-08:43

Nonstop1h 43m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sat 21/3

07:35-09:34

Nonstop1h 59m

Washington, D.C. Reagan-National

Tue 24/3

22:00-23:30

Nonstop1h 30m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 22/5

06:05-07:40

Nonstop1h 35m

Washington, D.C. Reagan-National

Mon 25/5

11:30-13:00

Nonstop1h 30m

£124

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 1/4

09:30-11:13

Nonstop1h 43m

Washington, D.C. Dulles Intl

Sat 4/4

12:59-14:42

Nonstop1h 43m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 3/4

06:05-08:00

Nonstop1h 55m

Washington, D.C. Reagan-National

Sun 5/4

07:00-08:38

Nonstop1h 38m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 21/5

09:00-10:38

Nonstop1h 38m

Washington, D.C. Reagan-National

Mon 25/5

13:25-14:57

Nonstop1h 32m

£124

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 9/4

09:45-11:36

Nonstop1h 51m

Washington, D.C. Reagan-National

Sun 12/4

07:00-08:38

Nonstop1h 38m

£124

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 41 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 16 January 2026.

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 74 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, March is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £35). Flying from Boston to Washington, D.C. in October is currently the most expensive (average of £102). 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 22 January 2026.

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 48% on your trip compared to booking a flight at midday.

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

Use this chart to determine the cheapest time to fly return from Boston to Washington, D.C.. Price data was last updated on 17 January 2026.

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

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 22 January 2026.

The most flights from BOS to WAS are scheduled on a Friday (76 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

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 130 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.

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 22 January 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
7.2
Good
2,889 reviews
Check prices

Entertainment

7.2

Boarding

7.4

Food

6.6

Comfort

7.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.
JetBlue
7.2
Good
2,889 reviews
JetBlue
7.2
Good
2,889 reviews
Check prices

Entertainment

7.2

Boarding

7.4

Food

6.6

Comfort

7.5

Crew

8.0

Overall

7.2

Reviews

1 / 20
4.0
Okay

Jeff,Dec 2025

LAX - BOS

We boarded an hour and a half late and the crew was very salty when asked why. Still got no reason other than someone took the intended plane? Won't fly with them again.

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 64 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 48m. Fly via United Airlines, JetBlue, or Delta to get the fastest option. There are 398 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 Air China (100%), ANA (95%) and Ethiopian Air (93%).

  • 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 £709, our data indicates the cheapest price to be £186. The most popular route (Boston Logan Intl - Washington, D.C. Dulles Intl), is priced around £199.

  • 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, March is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of £35). Flying from Boston to Washington, D.C. in October is currently the most expensive (average of £102). 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
Alexandria
College Park

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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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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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