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Cheap Flights from Boston (BOS) to Washington D.C. (BWI)

Compare Boston Logan International to Baltimore Washington International flight deals

Find the cheapest month or even day of the year to fly to Baltimore Washington International

Book the best Baltimore Washington International fare with no extra fees

Flight deals from Boston Logan International to Baltimore Washington International

Looking for a cheap last-minute deal or the best return flight from Boston Logan International to Baltimore Washington International? Find the lowest prices on one-way and return tickets right here.
Washington D.C..$148 per passenger.Departing Thu, 4 Sep, returning Fri, 5 Sep.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Thu, 4 Sep, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Fri, 5 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $148, select.
Washington D.C..$185 per passenger.Departing Fri, 31 Oct, returning Sun, 2 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Fri, 31 Oct, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 2 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $185, select.
Washington D.C..$222 per passenger.Departing Mon, 25 Aug, returning Sat, 30 Aug.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Mon, 25 Aug, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sat, 30 Aug, arriving in Boston Logan International.Price includes taxes and charges.From $222, select.
Washington D.C..$230 per passenger.Departing Sat, 15 Nov, returning Sun, 16 Nov.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Sat, 15 Nov, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 16 Nov, arriving in Boston Logan International.Price includes taxes and charges.From $230, select.
Washington D.C..$240 per passenger.Departing Thu, 23 Oct, returning Sun, 26 Oct.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Boston Logan International on Thu, 23 Oct, arriving in Baltimore Washington International.Inbound indirect flight with Frontier Airlines, departs from Baltimore Washington International on Sun, 26 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $240, select.
Washington D.C..$242 per passenger.Departing Tue, 16 Sep, returning Wed, 17 Sep.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 16 Sep, arriving in Baltimore Washington International.Inbound direct flight with Delta departs from Baltimore Washington International on Wed, 17 Sep, arriving in Boston Logan International.Price includes taxes and charges.From $242, select.
Washington D.C..$242 per passenger.Departing Wed, 8 Oct, returning Wed, 15 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Wed, 8 Oct, arriving in Baltimore Washington International.Inbound direct flight with Delta departs from Baltimore Washington International on Wed, 15 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $242, select.
Washington D.C..$242 per passenger.Departing Tue, 30 Sep, returning Tue, 7 Oct.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 30 Sep, arriving in Baltimore Washington International.Inbound direct flight with Delta departs from Baltimore Washington International on Tue, 7 Oct, arriving in Boston Logan International.Price includes taxes and charges.From $242, select.

Find the cheapest month to fly from Boston Logan International to Baltimore Washington International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston Logan International to Baltimore Washington International flights are currently cheapest in September.
Aug
from $222
Sep
from $148
Oct
from $240
Nov
from $230
Dec
from $288
Jan
from $242
Feb
from $440
Mar
from $306
Apr
from $395
May
Find prices
Jun
from $335
Jul
Find prices

Direct flights from Boston Logan International to Baltimore Washington International

Boston Logan International to Baltimore Washington International: Alternative routes

Compare routes from Boston Logan International to Washington D.C. below. You may find an airport to fly into that's cheaper, faster, or easier than Baltimore Washington International.

Boston to Washington D.C.: Flight information

The things to know before you go.
Cheapest flight found$148
Cheapest month to flySeptember
Average flight time1 hr, 44 mins
Most popular airlineSouthwest Airlines
Average flights per week115

Finding cheap flights from Boston Logan International to Baltimore Washington International: Frequently asked questions

The best price we found for a return flight from Boston Logan International to Baltimore Washington International is $148. 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 44 minutes is the average flight time from Boston Logan International to Baltimore Washington International.
Southwest Airlines, Delta and Republic Airways fly direct from Boston Logan International to Baltimore Washington International.
As of August 2025, there are 115 flights per week flying from Boston Logan International to Baltimore Washington International.
The cheapest month to fly from Boston Logan International to Baltimore Washington International is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boston Logan International Airport to Baltimore Washington International Airport on Thursday, 4 September 2025.
Yes – the average flight time is 1 hour and 44 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 Baltimore Washington International 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.
Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Baltimore Washington International.

Flying from Logan International Airport (BOS) to Baltimore/Wash International Thurgood Marshall Airport (BWI): what you need to know

  • Jump on a direct flight from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport and you'll be travelling for an average of 1 hour 35 minutes.

  • Boston and Washington DC are both in the UTC-4 timezone. This means there's no time difference to consider.

  • You can choose from 137 weekly Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport flights. The 05:20 departure with Southwest Airlines is the earliest flight available. Spirit Airlines operates the latest service of the day at 23:22.

  • Get to the airport on time so you don't miss your BOS to BWI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • During popular months such as August, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight whenever you're travelling during a peak period in general.

  • You'll find a range of airlines operating direct flights from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport. When you're ready to start your Washington DC adventure, let one of these carriers take you to this memorable corner of United States:

  • The airline most travellers fly with on this route is Delta Air Lines.

  • With a reliable 88.24% of services landing on schedule, Delta Air Lines is the most punctual carrier for BOS to BWI flights.

  • Consider adding a stopover when booking your ticket from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport. Simply deselect 'Direct flights only' to break up your trip, or perhaps explore a new destination along the way. Here are some options between BOS and BWI:

    • Richmond International Airport (Byrd Field)

    • Greater Rochester International Airport

    • Pittsburgh International Airport

How to find the cheapest flights from Logan International Airport (BOS) to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • The lowest price we've found for a one-way Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport flight is $74. A return fare is currently $148. Depending on the availability and when you book, these fares can change.

  • Book six months before travelling. After crunching the numbers on our calendar, this is how far you should book ahead to find cheap tickets from BOS to BWI.

  • May is the cheapest month for flights from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport. If you want to fly during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll let you know the moment there's a change in price on cheap flights from BOS to BWI.

  • Tailor your trip with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Cheapest,' 'Best' or 'Fastest' flights from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport.

Handy information about Logan International Airport (BOS)

  • BOS's address is One Harborside Drive.

  • Of the flights that depart from Logan International Airport, 73.94% land on time at their destination.

  • Logan International Airport is around 5 kilometres from central Boston. If you're catching a cab, ride-sharing or driving from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

  • Planning to catch public transport? Expect a journey time of around 25 minutes.

  • Get your journey off to a hassle-free start by staying near BOS. Whether you're taking an early flight from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport or just don't like being rushed, these stays are ideal:

Arriving at Baltimore/Wash International Thurgood Marshall Airport (BWI)

Getting from Baltimore/Wash International Thurgood Marshall Airport (BWI) to central Washington DC

  • From Baltimore/Wash International Thurgood Marshall Airport, Washington DC is approximately 48 kilometres away. It takes around 50 minutes to reach the centre by car.

  • Getting there on public transport typically takes 1 hour 30 minutes.

When to fly to Baltimore/Wash International Thurgood Marshall Airport (BWI)

  • It's time to plan your travel dates for your flight from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport. July is the most popular month to visit Washington DC. If you'd like a more relaxed vibe, go in May.

  • The warmest month in Washington DC is July, with temperatures ranging between 19ºC (66ºF) and 33ºC (91ºF). Lock in your flights from Logan International Airport to Baltimore/Wash International Thurgood Marshall Airport in this month if this is the kind of weather you like.

  • January has average temperatures of between -6ºC (21ºF) and 10ºC (50ºF). Search for cheap tickets from BOS to BWI sometime around then if you want to travel in cooler conditions.

Explore more of United States

  • Washington DC has loads to offer, but there are so many other parts of United States just waiting to be explored. About 322 kilometres north-east of Washington DC, a trip to New York will keep you busy. Start with popular sights like Statue of Liberty, Central Park and Empire State Building.

  • If you're eager to discover another major destination in United States, consider Philadelphia, roughly 193 kilometres north-east of Washington DC. Liberty Bell, Independence Hall and Philadelphia Museum of Art are key reasons to visit.

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

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