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Cheap flights from Boston to Washington, D.C. from $30

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 7/23. 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

Spirit Airlines Logo
6:00 am - 7:30 amBOS-BWI
1h 30mnonstop
Spirit Airlines Logo
7:10 am - 8:37 amBWI-BOS
1h 27mnonstop
$62Spirit Airlines
Find Deal
mié., jul. 23 - lun., jul. 28
Spirit Airlines Logo
8:48 pm - 10:21 pmBOS-BWI
1h 33mnonstop
Spirit Airlines Logo
6:20 pm - 7:53 pmBWI-BOS
1h 33mnonstop
$64Spirit Airlines
Find Deal
jue., jul. 24 - lun., jul. 28
JetBlue Logo
6:25 am - 8:03 amBOS-DCA
1h 38mnonstop
JetBlue Logo
11:45 am - 1:15 pmDCA-BOS
1h 30mnonstop
$132JetBlue
Find Deal
mié., ago. 13 - mié., ago. 13
American Airlines Logo
11:00 am - 12:40 pmBOS-DCA
1h 40mnonstop
American Airlines Logo
2:54 pm - 4:38 pmDCA-BOS
1h 44mnonstop
$133American Airlines
Find Deal
mié., ago. 13 - mié., ago. 13
Delta Logo
7:35 am - 9:30 amBOS-DCA
1h 55mnonstop
Delta Logo
6:00 am - 7:42 amDCA-BOS
1h 42mnonstop
$137Delta
Find Deal
jue., ago. 14 - jue., ago. 21
United Airlines Logo
5:30 am - 7:10 amBOS-IAD
1h 40mnonstop
United Airlines Logo
10:19 pm - 11:59 pmIAD-BOS
1h 40mnonstop
$137United Airlines
Find Deal
lun., sep. 15 - mié., oct. 15
JetBlue Logo
8:00 am - 9:45 amBOS-DCA
1h 45mnonstop
JetBlue Logo
5:45 pm - 7:30 pmDCA-BOS
1h 45mnonstop
$138JetBlue
Find Deal
jue., ago. 7 - lun., ago. 11
United Airlines Logo
5:30 am - 7:04 amBOS-IAD
1h 34mnonstop
United Airlines Logo
10:18 pm - 11:59 pmIAD-BOS
1h 41mnonstop
$144United Airlines
Find Deal
mié., ago. 13 - sáb., ago. 16
American Airlines Logo
6:00 am - 7:49 amBOS-DCA
1h 49mnonstop
American Airlines Logo
9:00 pm - 10:28 pmDCA-BOS
1h 28mnonstop
$146American Airlines
Find Deal
sáb., ago. 9 - lun., ago. 11
Delta Logo
2:55 pm - 4:54 pmBOS-DCA
1h 59mnonstop
Delta Logo
10:20 am - 12:03 pmDCA-BOS
1h 43mnonstop
$151Delta
Find Deal
sáb., sep. 6 - sáb., sep. 13

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

Our best United Airlines deals on Boston to Washington, D.C. flight tickets
United Airlines
Sep 15
BOS5:30 amBoston Logan Intl
1h 40m
IAD7:10 amWashington, D.C. Dulles Intl
Oct 15
IAD10:19 pmWashington, D.C. Dulles Intl
1h 40m
BOS11:59 pmBoston Logan Intl
United Airlines
Aug 13
BOS5:30 amBoston Logan Intl
1h 34m
IAD7:04 amWashington, D.C. Dulles Intl
Aug 16
IAD10:18 pmWashington, D.C. Dulles Intl
1h 41m
BOS11:59 pmBoston Logan Intl
United Airlines
Sep 15
BOS5:30 amBoston Logan Intl
1h 40m
IAD7:10 amWashington, D.C. Dulles Intl
Sep 18
IAD8:40 amWashington, D.C. Dulles Intl
4h 44m
1 stop
BOS1:24 pmBoston Logan Intl

Frontier flights from Boston to Washington, D.C.

Our best Frontier deals on Boston to Washington, D.C. flight tickets
Frontier
Aug 25
BOS11:08 amBoston Logan Intl
9h 40m
1 stop
IAD8:48 pmWashington, D.C. Dulles Intl
Aug 28
IAD9:33 pmWashington, D.C. Dulles Intl
11h 02m
1 stop
BOS8:35 amBoston Logan Intl
Frontier
Aug 1
BOS6:00 amBoston Logan Intl
11h 17m
1 stop
IAD5:17 pmWashington, D.C. Dulles Intl
Aug 3
IAD6:06 pmWashington, D.C. Dulles Intl
6h 32m
1 stop
BOS12:38 amBoston Logan Intl
Frontier
Jul 21
BOS6:00 amBoston Logan Intl
11h 17m
1 stop
IAD5:17 pmWashington, D.C. Dulles Intl
Aug 4
IAD6:07 pmWashington, D.C. Dulles Intl
6h 31m
1 stop
BOS12:38 amBoston 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 month of January is, on average, the cheapest month to fly to Washington, D.C. from Boston, with most prices found around $149. If you’re not able to fly to Washington, D.C. in January, then August is your next best option. Flight prices from Boston to Washington, D.C. during August average around $167.

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 $285. 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 $365.

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 $271. 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 $336. 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 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 $275 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 $221 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 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

$30

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 $30. The best round-trip flight deal from Boston to Washington, D.C. found on momondo in the last 72 hours is $62.
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)

  • 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 30m. 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 flight from Boston to Washington, D.C. from $62 can save you up to 53% on the cost of your trip compared to booking a train from Boston to Washington, D.C. or a bus 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 30m 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
8,100 reviews
Search Spirit Airlines flights
JetBluePriceFrom $60Free CancellationRating
7.3
2,919 reviews
Search JetBlue flights
DeltaPriceFrom $108Free CancellationRating
8.0
7,974 reviews
Search Delta flights
American AirlinesPriceFrom $140Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $147Free CancellationRating
7.4
8,858 reviews
Search United Airlines flights
SouthwestPriceFrom $173Free CancellationRating
8.0
4,275 reviews
Search Southwest flights
  • Delta Flights From Boston to Washington, D.C.

    Across 29 Delta flights from Boston to Washington, D.C. this week, the average price was $236, with the best Delta deals starting from $108 round-trip. 7,974 users have rated Delta on momondo, with an average score of 8.0/10.

  • 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, 8,858 ratings). United Airlines flies from Boston to Washington, D.C. around 22 times per week, with deals starting from $147 round-trip and rising to an average price of around $262.


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
Arlington
National Harbor
Laurel
Woodbridge
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Gaithersburg
Towson
Rockville
Fairfax
Linthicum Heights
Glen Burnie
Reston
Colonial Beach
Springfield

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 20m
$47 one-way$85 round-trip
Nonstop · from $851 stop · from $70

Distance to downtown

ZWU1.7 mi

Trains

6h 43m
$49 one-way$132 round-trip
Nonstop · from $132

Distance to downtown

ZWU1.7 mi

Flights

1h 30m
$30 one-way$62 round-trip
Nonstop · from $621 stop · from $81

Distance to downtown

BWI8.5 mi

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

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1 adult
dom. 7/6
dom. 7/13

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.