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Cheap flights from Boston to Washington, D.C. from £50

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Washington, D.C. departing on 5/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags
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Cheap return flights

JetBlue Logo
13:20 - 15:08BOS-DCA
1h 48mdirect
JetBlue Logo
17:45 - 19:30DCA-BOS
1h 45mdirect
£97JetBlue
Find Deal
Wed, 13 Aug - Wed, 13 Aug
United Airlines Logo
05:30 - 07:04BOS-IAD
1h 34mdirect
United Airlines Logo
22:18 - 23:59IAD-BOS
1h 41mdirect
£100United Airlines
Find Deal
Wed, 13 Aug - Wed, 13 Aug
Delta Logo
21:59 - 23:53BOS-DCA
1h 54mdirect
Delta Logo
14:55 - 16:41DCA-BOS
1h 46mdirect
£100Delta
Find Deal
Thu, 7 Aug - Mon, 11 Aug
JetBlue Logo
11:15 - 12:58BOS-DCA
1h 43mdirect
JetBlue Logo
18:50 - 20:28DCA-BOS
1h 38mdirect
£101JetBlue
Find Deal
Thu, 7 Aug - Mon, 11 Aug
Delta Logo
07:35 - 09:34BOS-DCA
1h 59mdirect
Delta Logo
10:20 - 12:03DCA-BOS
1h 43mdirect
£105Delta
Find Deal
Sat, 20 Sep - Tue, 23 Sep
United Airlines Logo
05:30 - 07:04BOS-IAD
1h 34mdirect
United Airlines Logo
08:55 - 10:35IAD-BOS
1h 40mdirect
£105United Airlines
Find Deal
Sat, 16 Aug - Wed, 20 Aug
JetBlue Logo
15:15 - 17:00BOS-DCA
1h 45mdirect
JetBlue Logo
19:00 - 20:35DCA-BOS
1h 35mdirect
£107JetBlue
Find Deal
Sat, 6 Sep - Sat, 6 Sep
United Airlines Logo
05:30 - 07:04BOS-IAD
1h 34mdirect
United Airlines Logo
08:20 - 13:43IAD-BOS
5h 23m1 stop
£107United Airlines
Find Deal
Tue, 5 Aug - Thu, 7 Aug
United Airlines Logo
05:30 - 07:10BOS-IAD
1h 40mdirect
United Airlines Logo
17:16 - 18:55IAD-BOS
1h 39mdirect
£110United Airlines
Find Deal
Sat, 6 Sep - Sat, 6 Sep
Southwest Logo
09:25 - 15:10BOS-DCA
5h 45m1 stop
Southwest Logo
06:00 - 13:00DCA-BOS
7h 00m1 stop
£129Southwest
Find Deal
Tue, 5 Aug - Thu, 7 Aug

United Airlines flights from Boston to Washington, D.C.

Our best United Airlines deals on Boston to Washington, D.C. flight tickets
United Airlines
13 Aug
BOS05:30Boston Logan Intl
1h 34m
IAD07:04Washington, D.C. Dulles Intl
13 Aug
IAD22:18Washington, D.C. Dulles Intl
1h 41m
BOS23:59Boston Logan Intl
United Airlines
16 Aug
BOS05:30Boston Logan Intl
1h 34m
IAD07:04Washington, D.C. Dulles Intl
20 Aug
IAD08:55Washington, D.C. Dulles Intl
1h 40m
BOS10:35Boston Logan Intl
United Airlines
5 Aug
BOS05:30Boston Logan Intl
1h 34m
IAD07:04Washington, D.C. Dulles Intl
7 Aug
IAD08:20Washington, D.C. Dulles Intl
5h 23m
1 stop
BOS13:43Boston Logan Intl

Delta flights from Boston to Washington, D.C.

Our best Delta deals on Boston to Washington, D.C. flight tickets
Delta
7 Aug
BOS21:59Boston Logan Intl
1h 54m
DCA23:53Washington, D.C. Reagan-National
11 Aug
DCA14:55Washington, D.C. Reagan-National
1h 46m
BOS16:41Boston Logan Intl
Delta
20 Sept
BOS07:35Boston Logan Intl
1h 59m
DCA09:34Washington, D.C. Reagan-National
23 Sept
DCA10:20Washington, D.C. Reagan-National
1h 43m
BOS12:03Boston Logan Intl
Delta
6 Sept
BOS11:05Boston Logan Intl
1h 51m
DCA12:56Washington, D.C. Reagan-National
13 Sept
DCA17:15Washington, D.C. Reagan-National
1h 53m
BOS19:08Boston Logan Intl

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Boston to Washington, D.C.

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C.?

The cheapest month to fly to Washington, D.C. from Boston is in January. Flight prices, which tend to average around £109, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in January, then you should wait until August to fly from Boston, when ticket prices are also cheap, with an average price of £122.

What is the cheapest day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Boston is on a Thursday. momondo users have found tickets for Thursday departures for as low as £175. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Boston because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £547.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

In the afternoon is the cheapest time of day to fly from Boston to Washington, D.C. when you can find flight prices for as low as £160. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Flights to Washington, D.C. are more costly at midday, with an average ticket price of £524. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Boston Logan Intl to Washington, D.C. flight route?

Fly from Boston Logan Intl to Baltimore/Washington for the best Boston Logan Intl - Washington, D.C. flight prices

How far in advance should I book a flight to Washington, D.C.?

You are more likely to see cheaper flights to Washington, D.C. from Boston when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around £201 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Boston for as low as £162 on momondo.

What cabin class options are available on Boston Logan Intl to Washington, D.C. flights?

There are 4 cabin classes available to choose from on Boston Logan Intl to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Boston to Washington, D.C. flight prices changed over time?

As of July 2025, prices for Boston to Washington, D.C. flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Boston to Washington, D.C.

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Washington, D.C. according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Boston to Washington, D.C. (BOS to WAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Washington, D.C.

Best price found

£50

Fastest flight time

1h 34m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The best one-way flight to Washington, D.C. from Boston in the past 72 hours is £50. The best return flight deal from Boston to Washington, D.C. found on momondo in the last 72 hours is £97.
The fastest flight from Boston to Washington, D.C. takes 1h 34m
Direct flights go from Boston to Washington, D.C. every day.
There are 2 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Washington, D.C. Dulles Intl (IAD)

  • Is flying the fastest way to get from Boston to Washington, D.C.?

    The quickest way to travel this route is to take a flight from Boston to Washington, D.C., doing so can potentially save up to 8h 16m of travel time. While these options may take longer, booking a train from Boston to Washington, D.C. or a bus from Boston to Washington, D.C. may suit your needs if travel time is less of a factor in your decision making.

  • Is flying the cheapest way to get from Boston to Washington, D.C.?

    The cheapest way is to get a bus from Boston to Washington, D.C., which can be as cheap as £62. A flight from Boston to Washington, D.C. is more expensive than a bus, with prices starting at £97. A train from Boston to Washington, D.C. is also an option, with an average price of £97.

  • How far is Boston Logan Intl to Washington, D.C. by plane?

    There are 393.5 mi between Boston Logan Intl and Washington, D.C.. In terms of flight time, this usually takes a little over 1h 34m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Washington, D.C.?

    Prices for flights from Boston Logan Intl Airport to Washington, D.C. were last updated today.

  • How old do you have to be to fly from Boston Logan Intl Airport to Washington, D.C.?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Boston to Washington, D.C.?

  • What is the most popular airline from Boston to Washington, D.C.?


Best airlines flying from Boston to Washington, D.C.

Compare and see reviews for airlines that fly from Boston to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom £42Free CancellationRating
6.3
8,103 reviews
Search Spirit Airlines flights

Travelling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
Essex
Alexandria
Fairfax
Manassas
Bethesda
Oxon Hill
College Park
Linthicum Heights
Gettysburg
Cambridge
Hanover
Ellicott City
Westminster
Arlington
Woodbridge
Owings Mills
Silver Spring
National Harbor

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Washington, D.C.?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Boston to Washington, D.C.. momondo saves you time and could save you money on your trip.

Can I find flights from Boston to Washington, D.C. with flexible booking policies on momondo?

momondo does allow users to show only those flights to Washington, D.C. from Boston which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Boston to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Washington, D.C..

I’m not ready to book a flight from Boston to Washington, D.C. right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Washington, D.C. from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


Choose the best way to get from Boston to Washington, D.C.

Buses

9h 20m
£34 one-way£62 return
Direct · from £621 stop · from £51

Distance to city centre

ZWU1.7 mi

Find Buses

Boston to Washington, D.C. Buses

Trains

6h 43m
£36 one-way£97 return
Direct · from £97

Distance to city centre

ZWU1.7 mi

Find Trains

Boston to Washington, D.C. Trains

Flights

1h 34m
£50 one-way£97 return
Direct · from £971 stop · from £107

Distance to city centre

DCA3.7 mi
IAD22.4 mi

An easier way to manage your Washington, D.C. trip

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1 adult
Tue 8/7
Tue 15/7

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.