Cheap flights from Boston to Washington, D.C. from $74

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 12/2. 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
2:00 pm - 3:49 pmBOS-DCA
1h 49mnonstop
JetBlue Logo
9:10 am - 10:44 amDCA-BOS
1h 34mnonstop
$140JetBlue
Find Deal
Wed, Dec 31 - Mon, Jan 5
United Airlines Logo
7:07 pm - 8:54 pmBOS-IAD
1h 47mnonstop
United Airlines Logo
10:06 pm - 11:41 pmIAD-BOS
1h 35mnonstop
$142United Airlines
Find Deal
Fri, Dec 5 - Fri, Dec 5
American Airlines Logo
2:08 pm - 3:59 pmBOS-DCA
1h 51mnonstop
American Airlines Logo
9:24 pm - 10:54 pmDCA-BOS
1h 30mnonstop
$145American Airlines
Find Deal
Wed, Dec 17 - Sun, Dec 21
Delta Logo
3:00 pm - 5:05 pmBOS-DCA
2h 05mnonstop
Delta Logo
10:00 pm - 11:40 pmDCA-BOS
1h 40mnonstop
$147Delta
Find Deal
Fri, Dec 5 - Fri, Dec 5
American Airlines Logo
6:00 am - 7:49 amBOS-DCA
1h 49mnonstop
American Airlines Logo
10:15 pm - 11:50 pmDCA-BOS
1h 35mnonstop
$149American Airlines
Find Deal
Thu, Nov 20 - Mon, Nov 24
Delta Logo
12:35 pm - 2:36 pmBOS-DCA
2h 01mnonstop
Delta Logo
7:00 am - 8:44 amDCA-BOS
1h 44mnonstop
$152Delta
Find Deal
Wed, Dec 17 - Sat, Jan 3
Spirit Airlines Logo
12:00 pm - 3:47 pmBOS-BWI
27h 47m3 stops
Spirit Airlines Logo
6:20 am - 11:59 pmBWI-BOS
17h 39m1 stop
$193Spirit Airlines
Find Deal
Tue, Nov 11 - Tue, Nov 18
Spirit Airlines Logo
6:16 am - 3:47 pmBOS-BWI
9h 31m1 stop
Spirit Airlines Logo
6:20 am - 11:59 pmBWI-BOS
17h 39m1 stop
$194Spirit Airlines
Find Deal
Wed, Nov 12 - Sat, Nov 15
Southwest Logo
2:45 pm - 4:25 pmBOS-BWI
1h 40mnonstop
Southwest Logo
6:45 am - 8:20 amBWI-BOS
1h 35mnonstop
$209Southwest
Find Deal
Fri, Jan 16 - Mon, Jan 19
Southwest Logo
7:05 am - 8:45 amBOS-BWI
1h 40mnonstop
Southwest Logo
8:15 am - 9:45 amBWI-BOS
1h 30mnonstop
$232Southwest
Find Deal
Fri, Dec 12 - Sun, Dec 14

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

Our best United Airlines deals on Boston to Washington, D.C. flight tickets
United Airlines
Dec 5
BOS7:07 pmBoston Logan Intl
1h 47m
IAD8:54 pmWashington, D.C. Dulles Intl
Dec 5
IAD10:06 pmWashington, D.C. Dulles Intl
1h 35m
BOS11:41 pmBoston Logan Intl
United Airlines
Dec 4
BOS5:30 amBoston Logan Intl
1h 44m
IAD7:14 amWashington, D.C. Dulles Intl
Dec 7
IAD9:00 amWashington, D.C. Dulles Intl
1h 38m
BOS10:38 amBoston Logan Intl
United Airlines
Dec 25
BOS5:20 amBoston Logan Intl
1h 46m
IAD7:06 amWashington, D.C. Dulles Intl
Jan 2
IAD5:10 pmWashington, D.C. Dulles Intl
1h 38m
BOS6:48 pmBoston Logan Intl

Frontier flights from Boston to Washington, D.C.

Our best Frontier deals on Boston to Washington, D.C. flight tickets
Frontier
Nov 24
BOS6:00 amBoston Logan Intl
11h 46m
1 stop
IAD5:46 pmWashington, D.C. Dulles Intl
Dec 3
IAD9:00 amWashington, D.C. Dulles Intl
25h 22m
1 stop
BOS10:22 amBoston Logan Intl
Frontier
Dec 15
BOS11:23 amBoston Logan Intl
11h 42m
1 stop
IAD11:05 pmWashington, D.C. Dulles Intl
Jan 4
IAD5:35 amWashington, D.C. Dulles Intl
28h 07m
1 stop
BOS9:42 amBoston Logan Intl
Frontier
Nov 13
BOS10:04 amBoston Logan Intl
6h 30m
1 stop
IAD4:34 pmWashington, D.C. Dulles Intl
Nov 13
IAD8:36 pmWashington, D.C. Dulles Intl
11h 52m
1 stop
BOS8:28 amBoston Logan Intl

momondo Fare Finder

 
Customize 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 832,500 searches. Data last updated October 29, 2025.
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

Wed 12/31

2:00 pm-3:49 pm

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 1/5

9:10 am-10:44 am

Nonstop1h 34m

$140

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Fri 12/5

7:07 pm-8:54 pm

Nonstop1h 47m

Washington, D.C. Dulles Intl

Fri 12/5

10:06 pm-11:41 pm

Nonstop1h 35m

$142

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 12/17

2:08 pm-3:59 pm

Nonstop1h 51m

Washington, D.C. Reagan-National

Sun 12/21

9:24 pm-10:54 pm

Nonstop1h 30m

$145

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 12/5

3:00 pm-5:05 pm

Nonstop2h 05m

Washington, D.C. Reagan-National

Fri 12/5

10:00 pm-11:40 pm

Nonstop1h 40m

$147

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 11/20

6:00 am-7:49 am

Nonstop1h 49m

Washington, D.C. Reagan-National

Mon 11/24

10:15 pm-11:50 pm

Nonstop1h 35m

$149

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Wed 12/17

12:35 pm-2:36 pm

Nonstop2h 01m

Washington, D.C. Reagan-National

Sat 1/3

7:00 am-8:44 am

Nonstop1h 44m

$152

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 11/11

12:00 pm-3:47 pm

3 stops27h 47m

Baltimore/Washington

Tue 11/18

6:20 am-11:59 pm

1 stop17h 39m

$193

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 11/12

6:16 am-3:47 pm

1 stop9h 31m

Baltimore/Washington

Sat 11/15

6:20 am-11:59 pm

1 stop17h 39m

$194

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 1/16

2:45 pm-4:25 pm

Nonstop1h 40m

Baltimore/Washington

Mon 1/19

6:45 am-8:20 am

Nonstop1h 35m

$209

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 12/12

7:05 am-8:45 am

Nonstop1h 40m

Baltimore/Washington

Sun 12/14

8:15 am-9:45 am

Nonstop1h 30m

$232

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 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 month of January is, on average, the cheapest month to fly to Washington, D.C. from Boston, with most prices found around $152. If you’re not able to fly to Washington, D.C. in January, then March is your next best option. Flight prices from Boston to Washington, D.C. during March average around $178.

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 $297. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Washington, D.C. for around $388.

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 $284. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $397. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $282 when searching weeks out. 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 $232 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 October 2025, prices for Boston to Washington, D.C. flights are approximately 35% 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 round-trip 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

$126

Fastest flight time

1h 34m

Direct flights

Every day

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. from Boston in the past 72 hours is $126. The best round-trip flight deal from Boston to Washington, D.C. found on momondo in the last 72 hours is $179.
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 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
  • Is flying the fastest way to get from Boston to Washington, D.C.?

    Based on just travel duration our users have found a flight from Boston to Washington, D.C. to be the fastest option to their destination at just 1h 40m. If travel time is less of a concern you may want to look into booking some alternative forms of transportation like a train from Boston to Washington, D.C. or a bus from Boston to Washington, D.C..

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

    A bus from Boston to Washington, D.C. from $90 can save you up to 41% on the cost of your trip compared to booking a flight from Boston to Washington, D.C. or a train from Boston to Washington, D.C..

  • 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.. 1h 40m is a normal flight duration for this route.

  • 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. refresh daily.

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Washington, D.C..

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

    The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • 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 $48Free CancellationRating
6.3
8,114 reviews
Search Spirit Airlines flights
JetBluePriceFrom $68Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $84Free CancellationRating
7.9
7,994 reviews
Search Delta flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
9,001 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
11,032 reviews
Search American Airlines flights
SouthwestPriceFrom $162Free CancellationRating
8.0
4,241 reviews
Search Southwest flights
  • Delta Flights From Boston to Washington, D.C.

    Across 46 Delta flights from Boston to Washington, D.C. this week, the average price was $256, with the best Delta deals starting from $84 round-trip. 7,994 users have rated Delta on momondo, with an average score of 7.9/10.

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

    Another popular option for Boston to Washington, D.C. flights is United Airlines (7.4/10, 9,001 ratings). United Airlines flies from Boston to Washington, D.C. around 17 times per week, with deals starting from $137 round-trip and rising to an average price of around $276.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Glen Burnie
Springfield
Linthicum Heights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Washington, D.C. for you.

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

Yes. momondo allows you to filter the results for Boston to Washington, D.C. flights to just show those with flexible booking policies.

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 10m
$59 one-way$90 round-trip
Nonstop · from $901 stop · from $59

Distance to downtown

ZWU1.7 mi

Trains

6h 38m
$66 one-way$153 round-trip
Nonstop · from $153

Distance to downtown

ZWU1.7 mi

Flights

1h 35m
$74 one-way$140 round-trip
Nonstop · from $1401 stop · from $152

Distance to downtown

DCA3.7 mi
IAD22.4 mi

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1 adult
Fri 11/28
Fri 12/5

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.