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Cheap flights from Boston to Washington, D.C. from $77

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 12/18. 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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Cheap round-trip flights

United Airlines Logo
5:30 am - 7:11 amBOS-IAD
1h 41mnonstop
United Airlines Logo
6:15 am - 9:55 amIAD-BOS
3h 40m1 stop
$153United Airlines
Find Deal
Fri, Oct 3 - Sun, Oct 5
American Airlines Logo
5:00 am - 6:44 amBOS-DCA
1h 44mnonstop
American Airlines Logo
8:45 pm - 10:22 pmDCA-BOS
1h 37mnonstop
$153American Airlines
Find Deal
Sun, Nov 2 - Tue, Nov 4
JetBlue Logo
6:10 am - 7:56 amBOS-DCA
1h 46mnonstop
JetBlue Logo
4:55 pm - 11:48 pmDCA-BOS
6h 53m1 stop
$158JetBlue
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Fri, Oct 31 - Fri, Nov 7
JetBlue Logo
6:30 am - 8:09 amBOS-DCA
1h 39mnonstop
JetBlue Logo
5:20 pm - 12:14 amDCA-BOS
6h 54m1 stop
$161JetBlue
Find Deal
Thu, Oct 2 - Mon, Oct 6
Delta Logo
9:00 am - 11:02 amBOS-DCA
2h 02mnonstop
Delta Logo
6:55 pm - 8:40 pmDCA-BOS
1h 45mnonstop
$162Delta
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Tue, Dec 30 - Mon, Jan 5
Spirit Airlines Logo
6:10 am - 9:20 pmBOS-BWI
15h 10m1 stop
Spirit Airlines Logo
8:21 pm - 11:26 amBWI-BOS
15h 05m1 stop
$165Spirit Airlines
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Thu, Oct 2 - Mon, Oct 6
Delta Logo
11:00 am - 12:50 pmBOS-DCA
1h 50mnonstop
Delta Logo
10:20 am - 12:03 pmDCA-BOS
1h 43mnonstop
$167Delta
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Tue, Sep 30 - Sat, Oct 4
Spirit Airlines Logo
6:16 am - 2:48 pmBOS-BWI
8h 32m1 stop
Spirit Airlines Logo
5:20 pm - 11:26 amBWI-BOS
18h 06m1 stop
$171Spirit Airlines
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Tue, Oct 7 - Tue, Oct 14
Southwest Logo
8:05 pm - 9:45 pmBOS-BWI
1h 40mnonstop
Southwest Logo
5:15 pm - 6:50 pmBWI-BOS
1h 35mnonstop
$184Southwest
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Wed, Oct 15 - Sat, Oct 18
Southwest Logo
5:35 am - 7:10 amBOS-BWI
1h 35mnonstop
Southwest Logo
8:25 am - 10:00 amBWI-BOS
1h 35mnonstop
$203Southwest
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Fri, Oct 24 - Sat, Oct 25

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

Our best United Airlines deals on Boston to Washington, D.C. flight tickets
United Airlines
Oct 3
BOS5:30 amBoston Logan Intl
1h 41m
IAD7:11 amWashington, D.C. Dulles Intl
Oct 5
IAD6:15 amWashington, D.C. Dulles Intl
3h 40m
1 stop
BOS9:55 amBoston Logan Intl
$153
Find similar
United Airlines
Oct 9
BOS5:30 amBoston Logan Intl
1h 41m
IAD7:11 amWashington, D.C. Dulles Intl
Oct 11
IAD10:19 pmWashington, D.C. Dulles Intl
1h 40m
BOS11:59 pmBoston Logan Intl
$155
Find similar
United Airlines
Oct 7
BOS10:34 amBoston Logan Intl
5h 31m
1 stop
IAD4:05 pmWashington, D.C. Dulles Intl
Oct 8
IAD8:30 amWashington, D.C. Dulles Intl
4h 55m
1 stop
BOS1:25 pmBoston Logan Intl
$157
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Frontier flights from Boston to Washington, D.C.

Our best Frontier deals on Boston to Washington, D.C. flight tickets
Frontier
Oct 31
BOS9:23 amBoston Logan Intl
10h 53m
1 stop
BWI8:16 pmBaltimore/Washington
Nov 2
BWI8:21 pmBaltimore/Washington
12h 07m
1 stop
BOS8:28 amBoston Logan Intl
$154
Find similar
Frontier
Oct 24
BOS9:18 amBoston Logan Intl
11h 55m
1 stop
IAD9:13 pmWashington, D.C. Dulles Intl
Oct 26
IAD8:02 pmWashington, D.C. Dulles Intl
12h 31m
1 stop
BOS8:33 amBoston Logan Intl
$160
Find similar
Frontier
Nov 14
BOS9:23 amBoston Logan Intl
10h 53m
1 stop
BWI8:16 pmBaltimore/Washington
Nov 16
BWI8:21 pmBaltimore/Washington
12h 07m
1 stop
BOS8:28 amBoston Logan Intl
$169
Find similar

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 September 17, 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 - IAD

BOSIAD

Boston Logan Intl

Fri 10/3

5:30 am-7:11 am

Nonstop1h 41m

Washington, D.C. Dulles Intl

Sun 10/5

6:15 am-9:55 am

1 stop3h 40m

$153

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Sun 11/2

5:00 am-6:44 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Tue 11/4

8:45 pm-10:22 pm

Nonstop1h 37m

$153

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Fri 10/31

6:10 am-7:56 am

Nonstop1h 46m

Washington, D.C. Reagan-National

Fri 11/7

4:55 pm-11:48 pm

1 stop6h 53m

$158

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 10/2

6:30 am-8:09 am

Nonstop1h 39m

Washington, D.C. Reagan-National

Mon 10/6

5:20 pm-12:14 am

1 stop6h 54m

$161

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 12/30

9:00 am-11:02 am

Nonstop2h 02m

Washington, D.C. Reagan-National

Mon 1/5

6:55 pm-8:40 pm

Nonstop1h 45m

$162

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Thu 10/2

6:10 am-9:20 pm

1 stop15h 10m

Baltimore/Washington

Mon 10/6

8:21 pm-11:26 am

1 stop15h 05m

$165

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Tue 9/30

11:00 am-12:50 pm

Nonstop1h 50m

Washington, D.C. Reagan-National

Sat 10/4

10:20 am-12:03 pm

Nonstop1h 43m

$167

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Tue 10/7

6:16 am-2:48 pm

1 stop8h 32m

Baltimore/Washington

Tue 10/14

5:20 pm-11:26 am

1 stop18h 06m

$171

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 10/15

8:05 pm-9:45 pm

Nonstop1h 40m

Baltimore/Washington

Sat 10/18

5:15 pm-6:50 pm

Nonstop1h 35m

$184

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 10/24

5:35 am-7:10 am

Nonstop1h 35m

Baltimore/Washington

Sat 10/25

8:25 am-10:00 am

Nonstop1h 35m

$203

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 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 month of January is, on average, the cheapest month to fly to Washington, D.C. from Boston, with most prices found around $151. 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 $177.

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 $294. 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 $383.

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 $281. 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 $370. 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 $284 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 $227 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.

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

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

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

As of September 2025, prices for Boston to Washington, D.C. flights are approximately 15% 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

$114

Fastest flight time

1h 30m

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 $114. The best round-trip flight deal from Boston to Washington, D.C. found on momondo in the last 72 hours is $186.
The fastest flight from Boston to Washington, D.C. takes 1h 30m
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)
Search flight deals

  • 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 35m. 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 $92 can save you up to 39% 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 35m 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 $49Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
JetBluePriceFrom $68Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
DeltaPriceFrom $84Free CancellationRating
7.9
7,961 reviews
Search Delta flights
United AirlinesPriceFrom $137Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $147Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $164Free CancellationRating
8.0
4,242 reviews
Search Southwest flights

  • Delta Flights From Boston to Washington, D.C.

    Across 51 Delta flights from Boston to Washington, D.C. this week, the average price was $247, with the best Delta deals starting from $84 round-trip. 7,961 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, 8,926 ratings). United Airlines flies from Boston to Washington, D.C. around 26 times per week, with deals starting from $137 round-trip and rising to an average price of around $273.

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
National Harbor
Arlington
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Manassas
Reston
Fairfax
Glen Burnie
Gaithersburg
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 05m
$54 one-way$92 round-trip
Nonstop · from $921 stop · from $59

Distance to downtown

ZWU • 1.7 mi

Find Buses

Boston to Washington, D.C. Buses

Trains

6h 35m
$66 one-way$132 round-trip
Nonstop · from $132

Distance to downtown

ZWU • 1.7 mi

Find Trains

Boston to Washington, D.C. Trains

Flights

1h 30m
$77 one-way$153 round-trip
Nonstop · from $1531 stop · from $153

Distance to downtown

DCA • 3.7 mi
IAD • 22.4 mi

Find Flights

Boston to Washington, D.C. Flights

An easier way to manage your Washington, D.C. 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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport