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$49+ 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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — BOS
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Boston Logan Intl are usually found in January or September, booked 30 days in advance, depart on a Thursday or Saturday and return on a Friday

Cheap 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 June 18, 2025.

Round-trip from

$85
(Mytrip)

One-way from

$49
(FlightHub)

Popular in

April

Cheapest in

January

Average price

$223

Good round-trip deal

$122 or less

Good one-way deal

$84 or less
From Washington, D.C. (WAS) to Boston Logan Intl
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One-way flight from Washington, D.C. (WAS) to Boston Logan Intl
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Highest demand for flights based on searches. 10% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Price to beat on a one-way flight from Washington, D.C. (WAS) to Boston Logan Intl.
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Find 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 June 18, 2025.

This Mytrip deal was found by Cheapflights users on 6/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/12:15 pmBWI - BOS
Nonstop1h 30mSpirit Airlines
Sun 10/196:00 amBOS - BWI
Nonstop1h 33mSpirit Airlines
Deal found 6/17$85
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/76:00 amDCA - BOS
Nonstop1h 42mDelta
Wed 8/131:05 pmBOS - DCA
Nonstop1h 54mDelta
Deal found 6/16$137
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:18 pmIAD - BOS
Nonstop1h 41mUnited Airlines
Thu 8/149:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Deal found 6/16$137
This JetBlue deal was found by Cheapflights users on 6/17. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/78:00 amDCA - BOS
Nonstop1h 36mJetBlue
Mon 8/118:00 amBOS - DCA
Nonstop1h 41mJetBlue
Deal found 6/17$138
This Gotogate deal was found by Cheapflights users on 6/17. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/107:10 amBWI - BOS
Nonstop1h 27mMultiple Airlines
Sun 7/136:00 amBOS - BWI
1 stop17h 36mMultiple Airlines
Deal found 6/17$143
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/133:35 pmDCA - BOS
1 stop6h 55mSouthwest
Mon 8/185:00 amBOS - DCA
1 stop6h 00mSouthwest
Deal found 6/16$157
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/116:00 amBWI - BOS
1 stop4h 40mAmerican Airlines
Thu 8/1411:58 amBOS - BWI
1 stop6h 32mAmerican Airlines
Deal found 6/16$159
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/306:20 amBWI - BOS
Nonstop1h 45mDelta
Tue 9/29:05 amBOS - BWI
Nonstop1h 47mDelta
Deal found 6/16$161
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:00 amDCA - BOS
Nonstop1h 48mAmerican Airlines
Mon 7/216:00 amBOS - DCA
Nonstop1h 44mAmerican Airlines
Deal found 6/17$166
This Southwest deal was found by Cheapflights users on 6/16. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/98:40 pmBWI - BOS
Nonstop1h 35mSouthwest
Sat 8/236:10 pmBOS - BWI
Nonstop1h 40mSouthwest
Deal found 6/16$167
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/610:10 amDCA - BOS
1 stop6h 19mUnited Airlines
Fri 8/156:05 amBOS - DCA
1 stop4h 22mUnited Airlines
Deal found 6/17$184
This Mytrip deal was found by Cheapflights users on 6/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/13:13 pmIAD - BOS
1 stop17h 02mAllegiant Air
Sun 8/311:31 amBOS - IAD
1 stop8h 49mAllegiant Air
Deal found 6/15$198

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 June 18, 2025.
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

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Tue 7/1

2:15 pm-3:45 pm

Nonstop1h 30m

Boston Logan Intl

Sun 10/19

6:00 am-7:33 am

Nonstop1h 33m

$85

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 8/7

6:00 am-7:42 am

Nonstop1h 42m

Boston Logan Intl

Wed 8/13

1:05 pm-2:59 pm

Nonstop1h 54m

$137

Washington, D.C.Boston

IAD - BOS

IADBOS

Washington, D.C. Dulles Intl

Wed 8/13

10:18 pm-11:59 pm

Nonstop1h 41m

Boston Logan Intl

Thu 8/14

9:30 am-11:10 am

Nonstop1h 40m

$137

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Thu 8/7

8:00 am-9:36 am

Nonstop1h 36m

Boston Logan Intl

Mon 8/11

8:00 am-9:41 am

Nonstop1h 41m

$138

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Thu 7/10

7:10 am-8:37 am

Nonstop1h 27m

Boston Logan Intl

Sun 7/13

6:00 am-11:36 pm

1 stop17h 36m

$143

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 8/13

3:35 pm-10:30 pm

1 stop6h 55m

Boston Logan Intl

Mon 8/18

5:00 am-11:00 am

1 stop6h 00m

$157

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Mon 8/11

6:00 am-10:40 am

1 stop4h 40m

Boston Logan Intl

Thu 8/14

11:58 am-6:30 pm

1 stop6h 32m

$159

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 8/30

6:20 am-8:05 am

Nonstop1h 45m

Boston Logan Intl

Tue 9/2

9:05 am-10:52 am

Nonstop1h 47m

$161

Washington, D.C.Boston

DCA - BOS

DCABOS

Washington, D.C. Reagan-National

Wed 7/16

7:00 am-8:48 am

Nonstop1h 48m

Boston Logan Intl

Mon 7/21

6:00 am-7:44 am

Nonstop1h 44m

$166

BaltimoreBoston

BWI - BOS

BWIBOS

Baltimore/Washington

Sat 8/9

8:40 pm-10:15 pm

Nonstop1h 35m

Boston Logan Intl

Sat 8/23

6:10 pm-7:50 pm

Nonstop1h 40m

$167

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 34 results
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The best insider tips for Washington, D.C. to Boston flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. to Boston trip
Airports
IAD

For quick check-in at IAD, locate your airline counter in the main terminal's island setup. Be prepared for crowded afternoon and evening hours.

Read more about IADby Ramsey Qubein
BOS

At BOS, use the MBTA Silver Line for a free ride to downtown Boston. It's a convenient and economical option for travelers.

Read more about BOSby Paul Rubio
Our travel experts
Paul Rubio

Paul Rubio

Expert on BOS

Paul Rubio

Paul Rubio

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

Ramsey Qubein

Ramsey Qubein

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

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 June 13, 2025.

The best time to book flights from Washington, D.C. to Boston is 30 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in June is currently the most expensive (average of $306). 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 June 18, 2025.

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 45% 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 June 15, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Boston flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday 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 June 18, 2025.

The most flights from WAS to BOS are scheduled on a Monday (87 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (16 on average).

Rainfall in Boston by month

Plan your trip to Boston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Boston ranges from 3.1 - 4.0 inches per month. March is typically the wettest month, when rainfall can reach 4.0 in. July is typically the driest time to visit Boston when rainfall is around 3.1 in.

Temperature in Boston by month

Plan your trip to Boston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Boston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 June 18, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Washington, D.C. to Boston to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,810 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,923 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Allegiant Air
7.3
Good
722 reviews
Southwest
8.0
Very good
4,280 reviews

Comfort

8.0

Crew

8.6

Entertainment

7.6

Overall

8.0

Food

7.1

Boarding

8.2

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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 70 daily inbound flights from Washington, D.C. from 6 different airlines.

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

    According to our current data, Spirit Airlines ($85), Delta ($137), and United Airlines ($137) offers the cheapest pricing from Washington, D.C. to Boston. These flights start at 56% 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 $49 on Spirit Airlines. Other airlines that offer cheap prices include Delta from $69 and American Airlines from $80 one-way.

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

    Most travelers choose Washington, D.C. Reagan-National - Boston Logan Intl, Baltimore/Washington - 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 Republic Airways (100%), Egyptair (85%) and Avianca (80%).

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

    On average you can expect to pay $781 for a flight from Washington, D.C. to Boston. The cheapest flight overall is $89 while the most popular route, (Washington, D.C. Reagan-National - Boston Logan Intl) is currently priced at $137.

  • 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, January is the cheapest month in which you can book a flight from Washington, D.C. to Boston (average of $218). Flying from Washington, D.C. to Boston in June is currently the most expensive (average of $306). 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 Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Cambridge
Medford
Watertown
Warwick
Waltham
Framingham
Seabrook
Cranston
Randolph
Chestnut Hill
Lowell
Chelsea
Brockton
York Beach
Saco
Burlington
West Yarmouth
Smithfield
Swansea
Lincoln

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Washington, D.C. to Boston

Discover the top 6 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$116FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$63Average$233FlexibilityNo cancel feeOn-time62%
DeltaCheapest$78Average$232FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$118Average$279FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$141Average$251FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$165Average$268FlexibilityNo cancel feeOn-time63%

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