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Cheap Flights from Boston (BOSA) to Washington D.C. (WASA)

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  2. United States
  3. Boston Logan International
  4. Washington D.C.

Compare Boston to Washington D.C. flight deals

Find the cheapest month or even day of the year to fly to Washington D.C.

Book the best Washington D.C. fare with no extra fees

Flight dealsCheapest monthFind the best routeRoute infoFAQsTips and advice

Flight deals from Boston to Washington D.C.

Looking for a cheap last-minute deal or the best return flight from Boston to Washington D.C.? Find the lowest prices on one-way and return tickets right here.
Washington D.C..£35 per passenger.Departing Tue, 10 Jun, returning Tue, 10 Jun.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Tue, 10 Jun, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Tue, 10 Jun, arriving in Boston Logan International.Price includes taxes and charges.From £35, select.
Spirit Airlines
Tue, 10 JunBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Tue, 10 JunBWI - BOS with Spirit Airlines
Direct
from £35
Washington D.C..£55 per passenger.Departing Thu, 12 Jun, returning Wed, 27 Aug.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Thu, 12 Jun, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Wed, 27 Aug, arriving in Boston Logan International.Price includes taxes and charges.From £55, select.
Spirit Airlines
Thu, 12 JunBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Wed, 27 AugBWI - BOS with Spirit Airlines
Direct
from £55
Washington D.C..£59 per passenger.Departing Thu, 29 May, returning Tue, 3 Jun.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Thu, 29 May, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Tue, 3 Jun, arriving in Boston Logan International.Price includes taxes and charges.From £59, select.
Spirit Airlines
Thu, 29 MayBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Tue, 3 JunBWI - BOS with Spirit Airlines
Direct
from £59
Washington D.C..£59 per passenger.Departing Tue, 3 Jun, returning Tue, 1 Jul.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Tue, 3 Jun, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Tue, 1 Jul, arriving in Boston Logan International.Price includes taxes and charges.From £59, select.
Spirit Airlines
Tue, 3 JunBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Tue, 1 JulBWI - BOS with Spirit Airlines
Direct
from £59
Washington D.C..£66 per passenger.Departing Tue, 1 Jul, returning Wed, 20 Aug.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Tue, 1 Jul, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Wed, 20 Aug, arriving in Boston Logan International.Price includes taxes and charges.From £66, select.
Spirit Airlines
Tue, 1 JulBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Wed, 20 AugBWI - BOS with Spirit Airlines
Direct
from £66
Washington D.C..£70 per passenger.Departing Fri, 24 Oct, returning Sun, 2 Nov.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Fri, 24 Oct, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Sun, 2 Nov, arriving in Boston Logan International.Price includes taxes and charges.From £70, select.
Spirit Airlines
Fri, 24 OctBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Sun, 2 NovBWI - BOS with Spirit Airlines
Direct
from £70
Washington D.C..£72 per passenger.Departing Mon, 20 Oct, returning Tue, 28 Oct.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Mon, 20 Oct, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Tue, 28 Oct, arriving in Boston Logan International.Price includes taxes and charges.From £72, select.
Spirit Airlines
Mon, 20 OctBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Tue, 28 OctBWI - BOS with Spirit Airlines
Direct
from £72
Washington D.C..£73 per passenger.Departing Wed, 2 Jul, returning Sat, 5 Jul.Return flight with Spirit Airlines.Outbound direct flight with Spirit Airlines departs from Boston Logan International on Wed, 2 Jul, arriving in Baltimore Washington International.Inbound direct flight with Spirit Airlines departs from Baltimore Washington International on Sat, 5 Jul, arriving in Boston Logan International.Price includes taxes and charges.From £73, select.
Spirit Airlines
Wed, 2 JulBOS - BWI with Spirit Airlines
Direct
Spirit Airlines
Sat, 5 JulBWI - BOS with Spirit Airlines
Direct
from £73
How did we find these deals? The deals you see here are the lowest prices for flight tickets from Boston to Washington D.C. found in the last 4 days, and are subject to change and availability.

Find the cheapest month to fly from Boston to Washington D.C.

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Washington D.C. flights are currently cheapest in June.
May
from £75
Jun
from £35
Jul
from £73
Aug
from £73
Sep
from £73
Oct
from £72
Nov
from £77
Dec
from £125
Jan
from £125
Feb
from £132
Mar
from £235
Apr
from £132

Direct flights from Boston to Washington D.C.

Alternative Boston to Washington D.C. routes

Looking for the cheapest, fastest or easiest route from Boston to Washington D.C.? You could fly into the following airports instead.

Boston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found£35
Cheapest month to flyJune
Average flight time1 hr, 45 mins
Most popular airlineAmerican Airlines
Average flights per week2,836

Finding cheap flights from Boston to Washington D.C.: Frequently asked questions

There are 5 airports in Washington D.C.: Washington Ronald Reagan, Camp Springs Andrews AFB, Washington Dulles, Baltimore Washington International, and Manassas.
The best price we found for a return flight from Boston to Washington D.C. is £35. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 45 minutes is the average flight time from Boston to Washington D.C..
American Airlines, Republic Airways and Southwest Airlines fly direct from Boston to Washington D.C..
As of May 2025, there are 712 flights per week flying from Boston to Washington D.C..
The cheapest month to fly from Boston to Washington D.C. is usually May 2025.
If you're flying from Boston, the cheapest airport near Washington D.C. is Baltimore Washington International – which is 27.1 miles away from the centre of Washington D.C.. We've found flights into this airport from £35.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Washington D.C. on Tuesday, 10 June 2025.
Yes – the average flight time is 1 hour and 45 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Washington D.C. but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Washington D.C. is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 17°C. July is typically the warmest month in Washington D.C., when it usually averages around 31°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging -4°C. The rainiest month is September.
The cheapest airline that flies to Washington D.C. is Spirit Airlines .

How to find cheap flights to Washington D.C. from Boston

Looking for cheap tickets from Boston to Washington D.C.? Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Boston to Washington D.C.. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Washington D.C. from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets.
  • Flex your dates to find the best Boston-Washington D.C. ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Washington D.C. from Boston.
  • Set up a Price Alert. You can easily track the fare of your cheap Boston-Washington D.C. flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Fly without stops. Only interested in direct flights between Boston and Washington D.C.? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results.
  • Find the cheapest Business class flights from Boston and Washington D.C.. We scour the internet for the best Business, Premium Economy and First Class flight fares to Washington D.C., too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Boston to Washington D.C. flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Combine your flight to Washington D.C. from Boston with hotels and car hire

    Once you've secured your cheap flight ticket from Boston to Washington D.C., discover the best prices and exclusive rates for hotels in Washington D.C. or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


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Plan the rest of your trip from Boston to Washington D.C.

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Prices shown on this page are estimated lowest prices only. Found in the last 45 days.

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