Cheap flights from Washington, D.C. to Boston from $66

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Boston departing on 9/16. 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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Find the cheapest flights from Washington, D.C. to Boston

Cheap round-trip flights

Frontier Logo
8:14 pm - 7:43 amBWI-BOS
11h 29m1 stop
Frontier Logo
10:13 am - 8:05 pmBOS-BWI
9h 52m1 stop
$96Frontier
Find Deal
Fri, Sep 5 - Sun, Sep 7
 Logo
2:09 pm - 10:52 pmBWI-BOS
8h 43m1 stop
 Logo
9:23 am - 8:16 pmBOS-BWI
10h 53m1 stop
Tue, Oct 28 - Fri, Oct 31
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
Spirit Airlines Logo
12:20 pm - 7:47 pmBOS-BWI
7h 27m1 stop
$134Spirit Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 10
Spirit Airlines Logo
4:27 pm - 10:47 pmBWI-BOS
6h 20m1 stop
Spirit Airlines Logo
12:20 pm - 7:47 pmBOS-BWI
7h 27m1 stop
$145Spirit Airlines
Find Deal
Tue, Sep 9 - Wed, Sep 10
JetBlue Logo
11:15 am - 12:47 pmDCA-BOS
1h 32mnonstop
JetBlue Logo
4:15 pm - 6:00 pmBOS-DCA
1h 45mnonstop
$151JetBlue
Find Deal
Wed, Oct 8 - Wed, Oct 15
JetBlue Logo
1:20 pm - 3:18 pmDCA-BOS
1h 58mnonstop
JetBlue Logo
6:59 pm - 8:55 pmBOS-DCA
1h 56mnonstop
$152JetBlue
Find Deal
Sat, Sep 6 - Sat, Sep 6
Delta Logo
9:00 am - 10:36 amBWI-BOS
1h 36mnonstop
Delta Logo
6:30 am - 8:11 amBOS-BWI
1h 41mnonstop
$157Delta
Find Deal
Tue, Sep 23 - Wed, Sep 24
Delta Logo
6:00 am - 7:41 amDCA-BOS
1h 41mnonstop
Delta Logo
9:59 pm - 11:53 pmBOS-DCA
1h 54mnonstop
$159Delta
Find Deal
Thu, Sep 18 - Mon, Sep 22
American Airlines Logo
6:55 am - 8:33 amDCA-BOS
1h 38mnonstop
American Airlines Logo
7:10 am - 9:05 amBOS-DCA
1h 55mnonstop
$172American Airlines
Find Deal
Thu, Sep 18 - Sun, Sep 21
American Airlines Logo
8:35 am - 10:28 amDCA-BOS
1h 53mnonstop
American Airlines Logo
7:10 am - 9:05 amBOS-DCA
1h 55mnonstop
$173American Airlines
Find Deal
Sat, Sep 6 - Sun, Sep 7

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

Our best United Airlines deals on Washington, D.C. to Boston flight tickets
United Airlines
Sep 23
IAD8:55 amWashington, D.C. Dulles Intl
1h 40m
BOS10:35 amBoston Logan Intl
Sep 25
BOS5:30 amBoston Logan Intl
1h 41m
IAD7:11 amWashington, D.C. Dulles Intl
United Airlines
Sep 23
IAD8:40 amWashington, D.C. Dulles Intl
4h 44m
1 stop
BOS1:24 pmBoston Logan Intl
Sep 23
BOS7:12 pmBoston Logan Intl
1h 43m
IAD8:55 pmWashington, D.C. Dulles Intl
United Airlines
Sep 5
IAD5:16 pmWashington, D.C. Dulles Intl
1h 39m
BOS6:55 pmBoston Logan Intl
Sep 11
BOS5:30 amBoston Logan Intl
1h 40m
IAD7:10 amWashington, D.C. Dulles Intl

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

Our best American Airlines deals on Washington, D.C. to Boston flight tickets
American Airlines
Sep 18
DCA6:55 amWashington, D.C. Reagan-National
1h 38m
BOS8:33 amBoston Logan Intl
Sep 21
BOS7:10 amBoston Logan Intl
1h 55m
DCA9:05 amWashington, D.C. Reagan-National
American Airlines
Sep 6
DCA8:35 amWashington, D.C. Reagan-National
1h 53m
BOS10:28 amBoston Logan Intl
Sep 7
BOS7:10 amBoston Logan Intl
1h 55m
DCA9:05 amWashington, D.C. Reagan-National
American Airlines
Sep 23
BWI10:05 amBaltimore/Washington
6h 12m
1 stop
BOS4:17 pmBoston Logan Intl
Sep 24
BOS3:55 pmBoston Logan Intl
7h 08m
1 stop
BWI11:03 pmBaltimore/Washington

momondo Fare Finder

 
Customize 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, momondo users made 832,500 searches. Data last updated August 25, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Boston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Fri 9/5

8:14 pm-7:43 am

1 stop11h 29m

Boston Logan Intl

Sun 9/7

10:13 am-8:05 pm

1 stop9h 52m

$96

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 10/28

2:09 pm-10:52 pm

1 stop8h 43m

Boston Logan Intl

Fri 10/31

9:23 am-8:16 pm

1 stop10h 53m

$124

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 9/8

4:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Wed 9/10

12:20 pm-7:47 pm

1 stop7h 27m

$134

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 9/9

4:27 pm-10:47 pm

1 stop6h 20m

Boston Logan Intl

Wed 9/10

12:20 pm-7:47 pm

1 stop7h 27m

$145

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 10/8

11:15 am-12:47 pm

Nonstop1h 32m

Boston Logan Intl

Wed 10/15

4:15 pm-6:00 pm

Nonstop1h 45m

$151

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 9/6

1:20 pm-3:18 pm

Nonstop1h 58m

Boston Logan Intl

Sat 9/6

6:59 pm-8:55 pm

Nonstop1h 56m

$152

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 9/23

9:00 am-10:36 am

Nonstop1h 36m

Boston Logan Intl

Wed 9/24

6:30 am-8:11 am

Nonstop1h 41m

$157

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 9/18

6:00 am-7:41 am

Nonstop1h 41m

Boston Logan Intl

Mon 9/22

9:59 pm-11:53 pm

Nonstop1h 54m

$159

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 9/18

6:55 am-8:33 am

Nonstop1h 38m

Boston Logan Intl

Sun 9/21

7:10 am-9:05 am

Nonstop1h 55m

$172

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Sat 9/6

8:35 am-10:28 am

Nonstop1h 53m

Boston Logan Intl

Sun 9/7

7:10 am-9:05 am

Nonstop1h 55m

$173

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston from

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

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 Boston?

In general, January is the cheapest month to fly from Washington, D.C. to Boston. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $167. If you aren’t able to travel during the month of January, then book flights to Boston from Washington, D.C. during February instead. Flights to Boston in February, while not as cheap as those in January, still average around $178.

What is the cheapest day to depart on your flight to Boston?

The cheapest day to depart from Washington, D.C. to Boston is on a Thursday when prices can be found for as low as $276. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Boston on Sunday is $369.

What is the cheapest time of day to depart on your flight to Boston?

According to our data, the cheapest time of day to fly to Boston is in the evening. momondo users have found flights departing from Washington, D.C. to Boston in the evening for as low as $248. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the afternoon is when there is more demand to fly to Boston, so prices are often more expensive at around $431 per ticket.

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

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

How far in advance should I book a flight to Boston?

You are more likely to see cheaper flights to Boston from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Boston for around $287 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boston from Washington, D.C. for as low as $185 on momondo.

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

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

Can stopping save me money on Washington, D.C. to Boston flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. to Boston.

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

As of August 2025, prices for Washington, D.C. to Boston flights are approximately 6% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$135

Fastest flight time

1h 29m

Direct flights

Every day

Airports in Boston

1 airport
The best one-way flight to Boston from Washington, D.C. in the past 72 hours is $135. The best round-trip flight deal from Washington, D.C. to Boston found on momondo in the last 72 hours is $178.
The fastest flight from Washington, D.C. to Boston takes 1h 29m
Direct flights go from Washington, D.C. to Boston every day.
There is 1 airport near Boston: Boston Logan Intl (BOS)
  • Is flying the fastest way to get from Washington, D.C. to Boston?

    At 1h 29m, choosing to opt for a flight from Washington, D.C. to Boston for this trip versus opting for a train from Washington, D.C. to Boston or a bus from Washington, D.C. to Boston can save you time on travel.

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

    A flight from Washington, D.C. to Boston is currently going to be the least expensive option currently available. You can also find deals for a train from Washington, D.C. to Boston starting at $132, or consider a bus from Washington, D.C. to Boston starting at $101. Both of these alternative options are worth considering when looking to reach your destination.

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

    A flight from Washington, D.C. to Boston Logan Intl will travel around 393.5 mi. In terms of flight time, this usually takes a little over 1h 29m.

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

    Prices for flights from Washington, D.C. to Boston Logan Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Boston Logan Intl Airport?

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

    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 Washington, D.C. to Boston Logan Intl Airport.

  • What documentation or ID do you need to fly to Boston Logan Intl Airport?

    The travel and health documents you'll need for your trip to Boston Logan Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boston Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Boston with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $48Free CancellationRating
6.3
8,028 reviews
Search Spirit Airlines flights
JetBluePriceFrom $63Free CancellationRating
7.2
2,919 reviews
Search JetBlue flights
DeltaPriceFrom $78Free CancellationRating
7.9
7,981 reviews
Search Delta flights
FrontierPriceFrom $116Free CancellationRating
5.8
3,201 reviews
Search Frontier flights
United AirlinesPriceFrom $118Free CancellationRating
7.4
8,940 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $161Free CancellationRating
8.0
4,243 reviews
Search Southwest flights
  • Delta Flights From Washington, D.C. to Boston

    Across 52 Delta flights from Washington, D.C. to Boston this week, the average price was $235, with the best Delta deals starting from $78 round-trip. 7,981 users have rated Delta on momondo, with an average score of 7.9/10.

  • United Airlines Flights From Washington, D.C. to Boston

    $118 is the best United Airlines flight deal from Washington, D.C. to Boston found on momondo over the last 72 hours. The average United Airlines ticket price found was closer to $281, however, with flight time and availability significantly affecting the price. United Airlines (7.4/10 from 8,940 user reviews) flies into Boston from Washington, D.C. 20 times in an average week so prices can vary.

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Hampton Beach
Salem
Ogunquit
Old Orchard Beach
Hampton
York Beach
Plymouth
Kennebunkport
Cambridge
Narragansett
Nashua
South Yarmouth
Gloucester
Brockton
Laconia
Concord
Falmouth
Everett
Wells
Sturbridge

Why use momondo?

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

Finding the right flight to Boston from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boston quick and easy, saving you time and money.

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

Yes. momondo enables you to select and highlight flights to Boston from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Boston from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Washington, D.C. to Boston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boston and let you know when they change.

An easier way to manage your Boston trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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1 adult
Sat 8/30
Sat 9/6

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