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

Delta, United Airlines, and Southwest can get you from Boston to Washington, D.C. in just under 1h 40m. Your travel time can differ by up to 3h 08m. There are 369 mi between Boston and Washington, D.C.. Both multi-stop and nonstop flights can be found to your destination and back.

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

Spirit Airlines, at $51, was found to be the cheapest airline from Boston to Washington, D.C..Alternate airlines to your destination round-trip include JetBlue and Delta. Spirit Airlines is 74% 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 $74 on JetBlue. Other airlines that offer cheap prices include United Airlines from $79 and Southwest from $98 one-way.

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

The best time to book flights from Boston to Washington, D.C. is 35 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 $292). Flying from Boston to Washington, D.C. in April is currently the most expensive (average of $337). 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 day to fly from Boston to Washington, D.C.?

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. Sunday 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.

The most flights from BOS to WAS are scheduled on a Monday (82 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (48 on average).

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.

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).

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

The most popular flight routes from Boston to Washington, D.C. are Boston Logan Intl - Baltimore/Washington, Boston Logan Intl - Washington, D.C. Reagan-National and Boston Logan Intl - Washington, D.C. Dulles Intl.

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

On average you can expect to pay $715 for a flight from Boston to Washington, D.C.. The cheapest flight overall is $93 while the most popular route, (Boston Logan Intl - Baltimore/Washington) is currently priced at $77.

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: Ethiopian Air (97%), Air China (94%), Egyptair (92%).

What are the most popular airlines that fly from Boston to Washington, D.C.?

Consider JetBlue, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Boston to Washington, D.C..

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

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 27% on airfare.

Most accurate provider : When it comes to deals on Boston-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boston-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boston-Washington, D.C. flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Boston-Washington, D.C. 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 Boston-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 66 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.

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.

$74+ Flights from Boston to Washington, D.C.

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$152 (United Airlines)
One-way from	$74 (JetBlue)
Popular in	November
Cheapest in	January
Average price	$207
Good round-trip deal	$187 or less
Good one-way deal	$113 or less

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust Score*3 stars
JustAirTicket	Price Accuracy-	Trust Score*3 stars
Cheapflightsfares	Price Accuracy2 stars	Trust Score*1 star
Ovago	Price Accuracy2 stars	Trust Score*2 stars
Gotogate	Price Accuracy2 stars	Trust Score*2 stars
CheapOair	Price Accuracy3 stars	Trust Score*3 stars
Trip.com	Price Accuracy2 stars	Trust Score*3 stars

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.

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$49	Average$138	FlexibilityNo cancel fee	On-time65%
JetBlue	Cheapest$68	Average$254	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$84	Average$256	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$137	Average$267	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$147	Average$255	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$163	Average$275	FlexibilityNo cancel fee	On-time63%

$74+ 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 11/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Boston to Washington, D.C. with Cheapflights

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Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. are usually found in January or March, booked 35 days in advance, depart on a Friday or Thursday and return on a Thursday

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

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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 septiembre 29, 2025.

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 septiembre 29, 2025.

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Use the filters below to find and compare flights from Boston to Washington, D.C. that are best for you.

Compare providers for flights from Boston to Washington, D.C.

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 Boston to Washington, D.C. in September.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Boston to Washington, D.C. trip

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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.

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 September 26, 2025.

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

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 septiembre 29, 2025.

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 September 28, 2025.

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

Reviews of airlines servicing Washington, D.C.

See what other customers who have flown with Delta, United Airlines, and American Airlines from Boston to Washington, D.C. have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.?

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

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

What are the cheapest airlines to fly from Boston to Washington, D.C. 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.?

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

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

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

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

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

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

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Alternative routes for Boston to Washington, D.C.

See prices for flight routes from nearby airports that may be better suited for you.

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 septiembre 29, 2025.