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

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 24/2. 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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JetBlue Logo
14:15 - 16:04
BOS
-
DCA
1h 49mdirect
JetBlue Logo
19:59 - 21:33
DCA
-
BOS
1h 34mdirect
£118JetBlue
Mon, 23 Feb - Mon, 23 Feb
JetBlue Logo
13:10 - 14:58
BOS
-
DCA
1h 48mdirect
JetBlue Logo
15:55 - 17:29
DCA
-
BOS
1h 34mdirect
£119JetBlue
Thu, 12 Mar - Thu, 19 Mar
JetBlue Logo
13:10 - 14:58
BOS
-
DCA
1h 48mdirect
JetBlue Logo
10:05 - 11:39
DCA
-
BOS
1h 34mdirect
£120JetBlue
Tue, 10 Mar - Tue, 17 Mar
United Airlines Logo
05:35 - 07:19
BOS
-
IAD
1h 44mdirect
United Airlines Logo
17:27 - 19:08
IAD
-
BOS
1h 41mdirect
£122United Airlines
Sat, 28 Feb - Tue, 3 Mar
JetBlue Logo
06:15 - 08:03
BOS
-
DCA
1h 48mdirect
JetBlue Logo
11:50 - 13:20
DCA
-
BOS
1h 30mdirect
£122JetBlue
Wed, 25 Feb - Tue, 3 Mar
Delta Logo
21:45 - 23:43
BOS
-
DCA
1h 58mdirect
Delta Logo
22:05 - 23:38
DCA
-
BOS
1h 33mdirect
£122Delta
Thu, 19 Feb - Mon, 23 Feb
Delta Logo
06:05 - 08:07
BOS
-
DCA
2h 02mdirect
Delta Logo
06:00 - 07:35
DCA
-
BOS
1h 35mdirect
£124Delta
Thu, 19 Feb - Mon, 23 Feb
United Airlines Logo
09:30 - 11:14
BOS
-
IAD
1h 44mdirect
United Airlines Logo
22:20 - 23:57
IAD
-
BOS
1h 37mdirect
£125United Airlines
Thu, 5 Mar - Fri, 6 Mar
United Airlines Logo
05:35 - 07:19
BOS
-
IAD
1h 44mdirect
United Airlines Logo
22:20 - 23:57
IAD
-
BOS
1h 37mdirect
£129United Airlines
Fri, 27 Feb - Sun, 1 Mar
Delta Logo
07:30 - 09:31
BOS
-
DCA
2h 01mdirect
Delta Logo
06:00 - 07:35
DCA
-
BOS
1h 35mdirect
£129Delta
Thu, 12 Feb - Mon, 16 Feb

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

Our best United Airlines deals on Boston to Washington, D.C. flight tickets
United Airlines
28 Feb
BOS19:19Boston Logan Intl
1h 44m
IAD21:03Washington, D.C. Dulles Intl
5 Mar
IAD08:22Washington, D.C. Dulles Intl
1h 36m
BOS09:58Boston Logan Intl
£122
United Airlines
5 Mar
BOS09:30Boston Logan Intl
1h 44m
IAD11:14Washington, D.C. Dulles Intl
6 Mar
IAD22:20Washington, D.C. Dulles Intl
1h 37m
BOS23:57Boston Logan Intl
£125
United Airlines
10 Feb
BOS05:45Boston Logan Intl
1h 46m
IAD07:31Washington, D.C. Dulles Intl
16 Feb
IAD12:36Washington, D.C. Dulles Intl
1h 36m
BOS14:12Boston Logan Intl
£129

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

Our best American Airlines deals on Boston to Washington, D.C. flight tickets
American Airlines
7 Apr
BOS07:00Boston Logan Intl
1h 46m
DCA08:46Washington, D.C. Reagan-National
12 Apr
DCA20:52Washington, D.C. Reagan-National
1h 39m
BOS22:31Boston Logan Intl
£138
American Airlines
29 Jan
BOS06:43Boston Logan Intl
5h 53m
1 stop
IAD12:36Washington, D.C. Dulles Intl
29 Jan
IAD17:46Washington, D.C. Dulles Intl
6h 05m
1 stop
BOS23:51Boston Logan Intl
£278

momondo 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, momondo users made 279,928 searches. Data last updated 28 January 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

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 23/2

14:15-16:04

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 23/2

19:59-21:33

Nonstop1h 34m

£118

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 12/3

13:10-14:58

Nonstop1h 48m

Washington, D.C. Reagan-National

Thu 19/3

15:55-17:29

Nonstop1h 34m

£119

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 10/3

13:10-14:58

Nonstop1h 48m

Washington, D.C. Reagan-National

Tue 17/3

10:05-11:39

Nonstop1h 34m

£120

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sat 28/2

05:35-07:19

Nonstop1h 44m

Washington, D.C. Dulles Intl

Tue 3/3

17:27-19:08

Nonstop1h 41m

£122

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 25/2

06:15-08:03

Nonstop1h 48m

Washington, D.C. Reagan-National

Tue 3/3

11:50-13:20

Nonstop1h 30m

£122

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 19/2

21:45-23:43

Nonstop1h 58m

Washington, D.C. Reagan-National

Mon 23/2

22:05-23:38

Nonstop1h 33m

£122

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 19/2

06:05-08:07

Nonstop2h 02m

Washington, D.C. Reagan-National

Mon 23/2

06:00-07:35

Nonstop1h 35m

£124

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 5/3

09:30-11:14

Nonstop1h 44m

Washington, D.C. Dulles Intl

Fri 6/3

22:20-23:57

Nonstop1h 37m

£125

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 27/2

05:35-07:19

Nonstop1h 44m

Washington, D.C. Dulles Intl

Sun 1/3

22:20-23:57

Nonstop1h 37m

£129

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 12/2

07:30-09:31

Nonstop2h 01m

Washington, D.C. Reagan-National

Mon 16/2

06:00-07:35

Nonstop1h 35m

£129

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 typical price of a round-trip flight between Boston and Washington, D.C.?

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

The cheapest month to fly to Washington, D.C. from Boston is in March. Flight prices, which tend to average around £133, are often lower during this time because this is during the off-season. If you don’t want to visit Washington, D.C. in March, then you should wait until February to fly from Boston, when ticket prices are also cheap, with an average price of £136.

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 Friday. momondo users have found tickets for Friday departures for as low as £207. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday 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 £465.

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

In the morning is the cheapest time of day to fly from Boston to Washington, D.C. when you can find flight prices for as low as £216. Flying to Washington, D.C. in the morning 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 £465. 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 Washington, D.C. Reagan-National 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 £203 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 £138 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 January 2026, prices for Boston to Washington, D.C. flights are approximately 44% more expensive 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.

Fastest flight time

1h 40m

Direct flights

Every day

Airports in Washington, D.C.

2 airports
The fastest flight from Boston to Washington, D.C. takes 1h 40m
Direct flights go from Boston to Washington, D.C. every day.
There are 2 airports in Washington, D.C.. From Boston there are direct flights to 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 7h 21m 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 £77. A flight from Boston to Washington, D.C. is more expensive than a bus, with prices starting at £118. A train from Boston to Washington, D.C. is also an option, with an average price of £84.

  • 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 40m.

  • 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.?

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Laurel
College Park
Fairfax
Arlington
Linthicum Heights
Alexandria
Glen Burnie
Lutherville Timonium
Ellicott City
Cambridge
Lexington Park
Westminster
Woodbridge
Bethesda
Rockville
Silver Spring
Owings Mills
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.

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1 adult
Fri 27/2
Fri 6/3

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.