Washington, D.C.

$49+ Cheap flights from Boston (BOS) to Washington, D.C. (WAS)

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 9/11. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — WAS
Jun 17 — Jun 241
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Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or August, booked 89 days in advance, depart on a Friday or Thursday and return on a Thursday

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

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Washington, D.C. (WAS). 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 12, 2025.

Round-trip from

$83
(FlightHub)

One-way from

$49
(FlightHub)

Popular in

November

Cheapest in

January

Average price

$209

Good round-trip deal

$127 or less

Good one-way deal

$99 or less
From Boston Logan Intl to Washington, D.C. (WAS)
One-way flight from Boston Logan Intl to Washington, D.C. (WAS)
Highest demand for flights based on searches. 6% potential increase in price ($12 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Boston Logan Intl to Washington, D.C. (WAS).
Price to beat on a one-way flight from Boston Logan Intl to Washington, D.C. (WAS).

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

Cheapest flights from Boston to Washington, D.C.
Explore the most affordable flight options available from Boston to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/256:00 amBOS - BWI
Nonstop1h 30mSpirit Airlines
Thu 6/265:45 amBWI - BOS
Nonstop1h 27mSpirit Airlines
Deal found 6/11$83
This JetBlue deal was found by Cheapflights users on 6/11. 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.
Mon 8/116:00 amBOS - DCA
Nonstop1h 38mJetBlue
Mon 8/1110:30 amDCA - BOS
Nonstop1h 35mJetBlue
Deal found 6/11$156
This United Airlines deal was found by Cheapflights users on 6/10. 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 8/139:30 amBOS - IAD
Nonstop1h 40mUnited Airlines
Mon 8/185:10 pmIAD - BOS
Nonstop1h 46mUnited Airlines
Deal found 6/10$161
This Delta deal was found by Cheapflights users on 6/10. 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 8/76:05 amBOS - DCA
Nonstop1h 55mDelta
Mon 8/118:40 amDCA - BOS
Nonstop1h 48mDelta
Deal found 6/10$161
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 7/318:30 amBOS - DCA
Nonstop1h 44mAmerican Airlines
Mon 8/47:00 amDCA - BOS
Nonstop1h 48mAmerican Airlines
Deal found 6/10$165
This Southwest deal was found by Cheapflights users on 6/11. 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.
Fri 7/45:20 amBOS - BWI
Nonstop1h 30mSouthwest
Fri 7/47:00 pmBWI - BOS
Nonstop1h 35mSouthwest
Deal found 6/11$173
This Delta deal was found by Cheapflights users on 6/11. 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 7/1210:45 amBOS - BWI
Nonstop1h 43mDelta
Mon 7/149:00 amBWI - BOS
Nonstop1h 34mDelta
Deal found 6/11$174
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Thu 7/2411:31 amBOS - IAD
1 stop8h 49mAllegiant Air
Mon 7/283:13 pmIAD - BOS
1 stop18h 02mAllegiant Air
Deal found 6/11$175
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Sun 8/1011:31 amBOS - IAD
1 stop8h 49mMultiple Airlines
Thu 8/1411:04 amIAD - BOS
1 stop23h 35mMultiple Airlines
Deal found 6/11$179
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 8/78:47 amBOS - DCA
1 stop5h 35mUnited Airlines
Mon 8/117:01 pmDCA - BOS
1 stop4h 09mUnited Airlines
Deal found 6/10$181
This CheapOair deal was found by Cheapflights users on 6/10. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/206:00 amBOS - BWI
1 stop17h 14mMultiple Airlines
Tue 6/242:15 pmBWI - BOS
Nonstop1h 30mMultiple Airlines
Deal found 6/10$181
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 7/252:49 pmBOS - BWI
1 stop7h 26mAmerican Airlines
Mon 7/285:00 amBWI - BOS
1 stop4h 50mAmerican Airlines
Deal found 6/12$193

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 12, 2025.
Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Fly from

Boston

Fly to

Washington, D.C.

Route

Depart

Return

Price

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Wed 6/25

6:00 am-7:30 am

Nonstop1h 30m

Baltimore/Washington

Thu 6/26

5:45 am-7:12 am

Nonstop1h 27m

$83

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Mon 8/11

6:00 am-7:38 am

Nonstop1h 38m

Washington, D.C. Reagan-National

Mon 8/11

10:30 am-12:05 pm

Nonstop1h 35m

$156

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Wed 8/13

9:30 am-11:10 am

Nonstop1h 40m

Washington, D.C. Dulles Intl

Mon 8/18

5:10 pm-6:56 pm

Nonstop1h 46m

$161

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 8/7

6:05 am-8:00 am

Nonstop1h 55m

Washington, D.C. Reagan-National

Mon 8/11

8:40 am-10:28 am

Nonstop1h 48m

$161

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 7/31

8:30 am-10:14 am

Nonstop1h 44m

Washington, D.C. Reagan-National

Mon 8/4

7:00 am-8:48 am

Nonstop1h 48m

$165

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Fri 7/4

11:40 am-1:23 pm

Nonstop1h 43m

Baltimore/Washington

Fri 7/11

9:00 am-10:34 am

Nonstop1h 34m

$173

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Thu 7/24

11:31 am-8:20 pm

1 stop8h 49m

Washington, D.C. Dulles Intl

Mon 7/28

3:13 pm-9:15 am

1 stop18h 02m

$175

BostonWashington, D.C.

BOS - IAD

BOSIAD

Boston Logan Intl

Sun 8/10

11:31 am-8:20 pm

1 stop8h 49m

Washington, D.C. Dulles Intl

Thu 8/14

11:04 am-10:39 am

1 stop23h 35m

$179

BostonWashington, D.C.

BOS - DCA

BOSDCA

Boston Logan Intl

Thu 8/7

8:47 am-2:22 pm

1 stop5h 35m

Washington, D.C. Reagan-National

Mon 8/11

7:01 pm-11:10 pm

1 stop4h 09m

$181

BostonBaltimore

BOS - BWI

BOSBWI

Boston Logan Intl

Thu 7/17

1:30 pm-3:10 pm

Nonstop1h 40m

Baltimore/Washington

Thu 7/17

10:50 pm-12:25 am

Nonstop1h 35m

$183

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 35 results
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The best insider tips for Boston to Washington, D.C. 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 Boston to Washington, D.C. trip
Airlines
Ethiopian Air

Ethiopian Airlines offers generous award availability in premium cabins via Star Alliance partners.


Ethiopian Airlines' Economy Class features a 32-inch pitch and personal entertainment monitors.

United Airlines

United Airlines' Economy Plus offers extra legroom seats towards the front of the cabin.


United's Basic Economy allows a personal item only; no carry-on bags are permitted.

Airports
BOS

Use the FlyLogan App to pre-order meals at BOS, saving time before your flight. Most eateries participate in this convenient service.

Read more about BOSby Paul Rubio
IAD

The Washington Metro Silver Line offers a cost-effective way to reach downtown from IAD in under 40 minutes, with a station five minutes from the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Paul Rubio

Paul Rubio

Expert on Ethiopian Air and 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
Harriet Baskas

Harriet Baskas

Expert on United Airlines

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

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 Boston to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Boston 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 Boston to Washington, D.C.

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

Use this chart to determine the optimal time to book a round-trip flight from Boston to Washington, D.C.. Price data was last updated on June 9, 2025.

The best time to book flights from Boston to Washington, D.C. is 89 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 Boston to Washington, D.C.?

Currently, August is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of $241). Flying from Boston to Washington, D.C. in March is currently the most expensive (average of $290). 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 BOS to WAS?

Find hourly flight availability from Boston to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 12, 2025.

One of the essential ways to save on airfare from Boston to Washington, D.C. is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 17% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Boston to Washington, D.C.. Price data was last updated on June 8, 2025.

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

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

Explore weekly flight availability from Boston to Washington, D.C.. 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 12, 2025.

The most flights from BOS to WAS are scheduled on a Thursday (83 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).

Rainfall in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. when rainfall is around 2.6 in.

Temperature in Washington, D.C. by month

Plan your trip to Washington, D.C. by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C., 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with Southwest, Delta and United Airlines from Boston to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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.
8.0
Very good

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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.

Boarding

8.2

Food

7.1

Crew

8.6

Comfort

8.0

Overall

8.0

Entertainment

7.6

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 Boston to Washington, D.C.. 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 from for flights from Boston to Washington, D.C.?

    Boston Logan Intl (BOS) is the airport you will fly out of if you book a flight from Boston to Washington, D.C.. You should not have trouble finding flights to Washington, D.C. from Logan Intl; the airport handles an average of 58 outbound flights to Washington, D.C. per day. You should also have plenty of airline options to choose from since 6 airlines have flights from the Boston airport to Washington, D.C.. It is only a 2.6 mi journey to Logan Intl (BOS) from Boston’s city center.

  • How popular is this Boston to Washington, D.C. flight route?

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

    Spirit Airlines, at $83, was found to be the cheapest airline from Boston to Washington, D.C..Alternate airlines to your destination round-trip include JetBlue and United Airlines. Spirit Airlines is 55% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Boston to Washington, D.C. 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 United Airlines from $81 and Delta from $81 one-way.

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

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Boston to Washington, D.C. on time: Virgin Atlantic (94%), Korean Air (84%), KLM (79%).

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

    On average you can expect to pay $249 for a flight from Boston to Washington, D.C.. The cheapest flight overall is $51 while the most popular route, (Boston Logan Intl - Washington, D.C. Reagan-National) is currently priced at $161.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boston to Washington, D.C. 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 Boston to Washington, D.C.?

    Currently, August is the cheapest month in which you can book a flight from Boston to Washington, D.C. (average of $241). Flying from Boston to Washington, D.C. in March is currently the most expensive (average of $290). 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
Arlington
Alexandria
Woodbridge
Tysons
Silver Spring
Linthicum Heights
Fredericksburg
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Fairfax
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Easton
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Reston
National Harbor
Springfield
Manassas
Dundalk

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

Discover the top 6 airlines that operate flights from Boston to Washington, D.C.. 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 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$105FlexibilityNo cancel feeOn-time65%
JetBlueCheapest$60Average$246FlexibilityNo cancel feeOn-time62%
DeltaCheapest$110Average$244FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$139Average$243FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$147Average$258FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$175Average$272FlexibilityNo cancel feeOn-time63%

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