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$58+ Cheap flights from Washington, D.C. (WAS) to Boston (BOS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
mrt. 10 — mrt. 171
di 3/10
di 3/17
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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3. Compare prices and book

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Cheapflights Tip: The best prices from Washington, D.C. to Boston Logan Intl are usually found in February or March, booked 59 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Washington, D.C. to Boston

Cheapest flights from Washington, D.C. to Boston
Explore the most affordable flight options available from Washington, D.C. to Boston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on februari 8, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 3/36:00 am
DCA
-
BOS
1 stop4h 15m
JetBlue
di 3/31:10 pm
BOS
-
DCA
Nonstop1h 48m
JetBlue
Deal found 2/5$149
This Kiwi.com deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/27:05 pm
IAD
-
BOS
1 stop28h 54m
Multiple Airlines
wo 3/44:22 pm
BOS
-
IAD
1 stop17h 03m
Multiple Airlines
Deal found 2/7$152
This Cheapflightsfares deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 4/86:00 am
DCA
-
BOS
1 stop4h 43m
JetBlue
wo 4/83:40 pm
BOS
-
DCA
Nonstop1h 45m
JetBlue
Deal found 2/6$154
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
zo 4/1210:13 pm
IAD
-
BOS
1 stop15h 42m
Multiple Airlines
wo 4/1512:55 pm
BOS
-
IAD
1 stop11h 41m
Multiple Airlines
Deal found 2/5$154
This SmartFares deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
za 2/287:00 am
DCA
-
BOS
Nonstop1h 30m
JetBlue
zo 3/16:15 am
BOS
-
DCA
Nonstop1h 48m
JetBlue
Deal found 2/7$155
This Flysmarter deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
do 2/2611:55 am
DCA
-
BOS
Nonstop1h 30m
JetBlue
zo 3/17:15 am
BOS
-
DCA
Nonstop1h 52m
JetBlue
Deal found 2/5$156
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 4/63:25 pm
IAD
-
BOS
1 stop22h 30m
Multiple Airlines
wo 4/1512:55 pm
BOS
-
IAD
1 stop11h 41m
Multiple Airlines
Deal found 2/5$156
This Kiwi.com deal was found by Cheapflights users on 2/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/27:05 pm
IAD
-
BOS
1 stop28h 54m
Multiple Airlines
do 3/511:45 am
BOS
-
IAD
1 stop19h 39m
Multiple Airlines
Deal found 2/6$157
This SmartFares deal was found by Cheapflights users on 2/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ma 3/236:10 pm
DCA
-
BOS
Nonstop1h 34m
JetBlue
di 3/318:05 am
BOS
-
DCA
Nonstop1h 44m
JetBlue
Deal found 2/7$159
This Frontier deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
di 4/73:15 pm
IAD
-
BOS
1 stop10h 11m
Frontier
di 4/1412:55 pm
BOS
-
IAD
1 stop11h 41m
Frontier
Deal found 2/5$160
This Cheapflightsfares deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vr 3/63:40 pm
DCA
-
BOS
Nonstop1h 37m
JetBlue
zo 3/87:10 am
BOS
-
DCA
Nonstop1h 52m
JetBlue
Deal found 2/5$166
This Kiwi.com deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
wo 4/86:00 am
IAD
-
BOS
1 stop19h 26m
Frontier
wo 4/1512:55 pm
BOS
-
IAD
1 stop11h 41m
Frontier
Deal found 2/5$166

Find flight deals from Washington, D.C. to Boston

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Boston (BOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated februari 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$149
(Cheapflightsfares)

One-way from

$58
(Kiwi.com)

Popular in

October

Cheapest in

February

Average price

$187

Good round-trip deal

$195 or less

Good one-way deal

$119 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Boston Logan Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boston Logan Intl flights.
Search Deals
From Washington, D.C. (WAS) to Boston Logan Intl
Search Deals
One-way flight from Washington, D.C. (WAS) to Boston Logan Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($20 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Boston Logan Intl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Boston Logan Intl.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated februari 8, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Boston that are best for you.

Fly from

Washington, D.C.

Fly to

Boston

Route

Depart

Return

Price

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

za 2/28

7:00 am-8:36 am

Nonstop1h 36m

Boston Logan Intl

ma 3/2

9:45 pm-11:43 pm

Nonstop1h 58m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

vr 2/27

8:59 pm-10:34 pm

Nonstop1h 35m

Boston Logan Intl

za 3/7

6:15 am-8:03 am

Nonstop1h 48m

$167

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

vr 3/6

10:20 pm-11:57 pm

Nonstop1h 37m

Boston Logan Intl

do 3/12

5:45 am-7:29 am

Nonstop1h 44m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

vr 3/20

10:00 pm-11:30 pm

Nonstop1h 30m

Boston Logan Intl

ma 3/30

8:15 pm-10:08 pm

Nonstop1h 53m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

wo 5/13

3:35 pm-5:13 pm

Nonstop1h 38m

Boston Logan Intl

ma 5/18

5:07 pm-6:57 pm

Nonstop1h 50m

$167

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

wo 3/4

9:00 am-10:36 am

Nonstop1h 36m

Boston Logan Intl

za 3/7

5:45 am-7:29 am

Nonstop1h 44m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

wo 3/4

6:59 am-8:37 am

Nonstop1h 38m

Boston Logan Intl

ma 3/9

9:55 pm-11:44 pm

Nonstop1h 49m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

za 6/6

6:45 pm-8:23 pm

Nonstop1h 38m

Boston Logan Intl

zo 6/7

9:00 am-10:38 am

Nonstop1h 38m

$167

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

do 3/19

10:20 pm-11:57 pm

Nonstop1h 37m

Boston Logan Intl

ma 3/23

5:45 am-7:29 am

Nonstop1h 44m

$167

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

vr 3/6

10:05 pm-11:38 pm

Nonstop1h 33m

Boston Logan Intl

vr 3/13

7:35 am-9:34 am

Nonstop1h 59m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/8

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. to Boston

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Boston in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star
OvagoPrice Accuracy2 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy2 starsTrust Score*2 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Boston flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Boston flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Boston flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Boston flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Boston flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Boston

Have a flexible travel schedule? Discover the best time to fly to Boston from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Boston

How far ahead should I book a flight from Washington, D.C. to Boston?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Boston. Price data was last updated on January 30, 2026.

The best time to book flights from Washington, D.C. to Boston is 59 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. to Boston?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $46). Flying from Washington, D.C. to Boston in December is currently the most expensive (average of $117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to BOS?

Find hourly flight availability from Washington, D.C. to Boston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated februari 8, 2026.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Boston in the evening. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Washington, D.C. to Boston?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Boston. Price data was last updated on February 7, 2026.

Travelers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Saturday evenings when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Washington, D.C. to Boston

Explore weekly flight availability from Washington, D.C. to Boston. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated februari 8, 2026.

The most flights from WAS to BOS are scheduled on a Friday (81 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

How much does it cost to fly round-trip from Washington, D.C. to Boston?

How often are flights from Washington, D.C. to Boston delayed?

About 19% of weekly flights between Washington, D.C. and Boston have experienced delays in the past year, with the average delay time being 131 minutes.

What is the most punctual flight time for Washington, D.C. to Boston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Sunday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to Boston flights?

Over the last year, Delta have had the lowest number of delays on this route, with just 15% of flights being delayed.

The best insider tips for Washington, D.C. to Boston flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Boston trip
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Boston

Get insights into the airlines that provide service to Boston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Boston. Reviews last updated februari 8, 2026.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. to Boston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,172 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,172 reviews
Delta
7.9
Good
8,172 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,254 reviews
Delta
7.9
Good
8,172 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,249 reviews
Delta
7.9
Good
8,172 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
JetBlue
7.2
Good
2,896 reviews
Delta
7.9
Good
8,172 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,429 reviews
Delta
7.9
Good
8,172 reviews

Food

7.2

Comfort

7.9

Boarding

8.1

Crew

8.5

Overall

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Boston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boston from Washington, D.C.?

    Located just 2.6 mi from the city center, Boston Logan Intl is the airport most travelers will use when flying to Boston from Washington, D.C.. Booking flights from Washington, D.C. to Logan Intl (BOS) should be relatively easy as there are 57 daily inbound flights from Washington, D.C. from 7 different airlines.

  • How long is the flight from Washington, D.C. to Boston?

    Delta, JetBlue, and United Airlines can get you from Washington, D.C. to Boston in just under 1h 35m. Your travel time will be generally consistent. Washington, D.C. and Boston are separated by a distance of 398 mi. Generally, flights for this route are nonstop.

  • What are the cheapest airlines flying from Washington, D.C. to Boston round-trip?

    According to our current data, Spirit Airlines ($56), Delta ($78), and Frontier ($86) offers the cheapest pricing from Washington, D.C. to Boston. These flights start at 75% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. to Boston one-way?

    One-way options have recently been found by users for as low as $68 on JetBlue. Other airlines that offer cheap prices include United Airlines from $77 and American Airlines from $79 one-way.

  • What are the most popular routes from Washington, D.C. to Boston?

    Most travelers choose Baltimore/Washington - Boston Logan Intl, Washington, D.C. Reagan-National - Boston Logan Intl or Washington, D.C. Dulles Intl - Boston Logan Intl when deciding on the best route from Washington, D.C. to Boston.

  • What are the most reliable airlines from Washington, D.C. to Boston?

    The top 3 most reliable airlines when flying from Washington, D.C. to Boston are Egyptair (94%), Air China (88%) and Avianca (85%).

  • What are the cheapest flights from Washington, D.C. to Boston?

    On average you can expect to pay $219 for a flight from Washington, D.C. to Boston. The cheapest flight overall is $84 while the most popular route, (Baltimore/Washington - Boston Logan Intl) is currently priced at $117.

  • Can I find deals for flights from Washington, D.C. to Boston that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Boston flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Boston?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Boston.

  • Can I find deals for business class flights from Washington, D.C. to Boston?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Boston by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Boston?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $46). Flying from Washington, D.C. to Boston in December is currently the most expensive (average of $117). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
Medford
Cambridge
Hampton Beach
Watertown
Seekonk
Brockton
Seabrook
Cranston
Lincoln
Warwick
Smithfield
Peabody
Quincy
York Beach
Londonderry
Swansea
Old Orchard Beach
Waltham
Lowell
Chelsea

Browse thousands of different options on Cheapflights for your next trip

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Top 7 airlines flying from Washington, D.C. to Boston

Discover the top 7 airlines that operate flights from Washington, D.C. to Boston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated februari 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$44Average$127FlexibilityNo cancel feeOn-time65%
DeltaCheapest$78Average$223FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$86Average$250FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$106Average$218FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$141Average$264FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$154Average$275FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$161Average$270FlexibilityNo cancel feeOn-time63%

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