$65 Find Cheap Flights from Boston to Washington, D.C. - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Boston to Washington, D.C. departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Flight Deals
Cheap Flights from Boston to Washington, D.C. (BOS-WAS)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Boston to Washington, D.C. that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
Round-trip
One-way
Last minute
Direct
Recent round-trip flight deals from Boston to Washington, D.C.
Fri, Sep 18 - Sun, Sep 20
5:45 am - 7:20 amBOS Boston Logan Intl-IAD Washington, D.C. Dulles Intl
7:00 am - 9:06 amBOS Boston Logan Intl-DCA Washington, D.C. Reagan-National
2h 06mnonstop
9:41 am - 11:30 amDCA Washington, D.C. Reagan-National-BOS Boston Logan Intl
1h 49mnonstop
$172American Airlines
Booking Insights
Price, demand and travel trends for Boston to Washington, D.C. flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Boston to Washington, D.C. with more confidence.
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How much is a round-trip flight from Boston to Washington, D.C.?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Boston to Washington, D.C. departing in September.
Round-trip flights from Boston to Washington, D.C. start at $129. Prices are below average for this route right now, with typical round-trip fares ranging from $190 to $352. The lowest price found in the past 5 days was $129 on United Airlines.
What is the cheapest Boston to Washington, D.C. flight route?
KAYAK tracks online flight deals over the last 12 months and analyzes pricing trends to identify the best available fares.
Boston (BOS) to Washington, D.C. Reagan-National Airport (DCA) is the cheapest Boston to Washington, D.C. route, averaging $246 round-trip. Other Boston to Washington, D.C. routes average $287, based on KAYAK data over the past 12 months.
What's the cheapest day of the week to fly from Boston to Washington, D.C.?
Wednesday is the cheapest day of the week to fly from Boston to Washington, D.C., it is 9% cheaper than the average day. Monday is the most expensive day with flight prices 14% higher than average. Based on deals found by KAYAK users in the last 12 months.
What is the cheapest month to fly from Boston to Washington, D.C.?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Boston to Washington, D.C., removes the top 0.1% to account for outliers and then takes the median of all values for each month.
January is the cheapest month to fly from Boston to Washington, D.C. at $220 round-trip.
June ($304) and July ($293) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 38% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are prices from Boston to Washington, D.C. the cheapest?
Flights from Boston to Washington, D.C. are cheapest 8 weeks before departure. Booking in this window typically costs about 37% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.
What is the cheapest airline to fly from Boston to Washington, D.C.?
United Airlines ($129) and JetBlue ($136) are the cheapest airlines to fly round-trip from Boston to Washington, D.C. according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Boston and Washington, D.C.?
American Airlines and Delta offer the most frequent nonstop flights from Boston to Washington, D.C., at 65 and 64 flights per week respectively. JetBlue is another good option, operating 52 flights per week. Based on KAYAK flight data over the last 3 months.
How often are flights from Boston to Washington, D.C. delayed?
Over the last 12 months Boston to Washington, D.C. flights were delayed in 19% of cases. Delayed flights averaged 131 minutes behind schedule.
What is the most punctual time of day to fly from Boston to Washington, D.C.?
Morning flights have the fewest delays. Evening departures experience delays most often. Based on KAYAK data over the past 3 months.
Which day of the week has the fewest delays on Boston to Washington, D.C. flights?
Saturday has the fewest flight delays on the Boston to Washington, D.C. route, at only 11% of flights delayed.
Sunday has the most delays at 25%. Based on KAYAK data over the past 3 months.
Which airline is the most punctual on Boston to Washington, D.C. flights?
American Airlines is the most punctual airline on Boston to Washington, D.C. flights, KAYAK's system tracked that 83% of flights were on time in the past 3 months.
What is the most popular layover airport when flying from Boston to Washington, D.C.?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.
Newark (EWR) is the most popular layover for the Boston to Washington, D.C. route. 56% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via EWR.
What is the cheapest layover airport when flying from Boston to Washington, D.C.?
Flights via Orlando (MCO) offer the most affordable fares, with an average round-trip price of $188. Based on KAYAK data over the past 3 months.
Which route, including a layover, takes the shortest amount of time from Boston to Washington, D.C.?
New York LaGuardia (LGA) offers the shortest 1-stop connection from Boston to Washington, D.C. at 4h 31m one-way, 2h 40m longer than the 1h 51m direct flight. Based on KAYAK data over the past 3 months.
When flying from Boston to Washington, D.C. which airport offers the shortest layover?
Detroit Metropolitan Wayne County (DTW) had the shortest average connection time for Boston to Washington, D.C. layovers at 174 minutes over the past 3 months.
How many nonstop flights run daily between Boston and Washington, D.C.?
There are 20 to 33 flights per day from Boston to Washington, D.C., about 212 flights per week. Wednesday has the most departures, with 16% of weekly flights.
What time of day do most flights depart from Boston to Washington, D.C.?
Based on KAYAK flight schedules for the upcoming 3 months.
Most nonstop flights from Boston to Washington, D.C. depart in the morning, accounting for 51% of nonstop departures. Around 15 flights are scheduled in that window over the next three months.
Expert advice for your flight from Boston to Washington, D.C.
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Harriet Baskas
Expert on JetBlue and American Airlines
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.
Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.
Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.
Key details for Boston to Washington, D.C. flights
Low season
July
High season
November
Cheapest flight
$65
Best time to beat the crowds but there is an average 14% increase in price.
Flight from Boston to Baltimore
When to book flights from Boston to Washington, D.C.
Are your dates flexible? Find out the best times to travel from Boston to Washington, D.C. based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Boston to Washington, D.C. flight questions, answered
Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.
How do I meet an Uber at Washington Dulles International Airport?
Grabbing an Uber at Washington Dulles International could not be simpler. When you are ready to go, just request your ride and then proceed outside from the arrivals level, where your car will meet you.
What is the best way for someone to pick me up at Ronald Reagan Washington National Airport?
Unfortunately, this airport does not have a cell phone lot, so your ride needs to coordinate with you where to meet at the airport for pickup. Stopping to pick up and load passengers is permitted, but there is no curbside parking allowed at any time.
How long will it take to get from Washington Dulles International Airport to downtown Washington?
The trip is roughly 27 miles and will generally take about 30 minutes, but can take substantially longer during peak travel times in the morning and the evening.
What is the best public transportation option from Ronald Reagan International to downtown Washington?
The Washington, D.C. Metro rail system provides services from all of the terminal buildings to downtown Washington, D.C.; however, there are also other services such as taxis and Uber.
Which airlines offer eco-friendly flights from Boston to Washington?
On average, each passenger on a flight from Boston to Washington emits about 286 kg of CO2. American Airlines, United Airlines, Delta, and Southwest operate some of the most sustainable flights from Boston to Washington. These airlines offer nonstop and single-stop flights to Washington from Boston and emit about 71%, 70%, 65%, and 62% less carbon than most of the other airlines. If you want to fly more sustainably, prioritize nonstop flights as they emit less carbon than single-stop flights.
What are the common layover options for the flights from Boston to Washington?
The layover options for these flights vary depending on your airline and arrival airport. If you’re flying with American Airlines from Boston to DCA, expect a layover in Philadelphia. Passengers flying with United Airlines from Boston to IAD should expect a layover in New York Newark Liberty International Airport (EWR). Delta offers flights from Boston to Baltimore Washington International Thurgood Marshal Airport (BWI) with a common layover in John F. Kennedy International Airport (JFK).
Does Boston Logan International Airport offer nursing facilities?
Yes. BOS’ nursery rooms are near Gate B37 in Terminal B and near Gate C20 in Terminal C. The rooms are equipped with fold-down seats, changing counter, an electrical outlet, and a sink. BOS also has Mamava lactation pods. In Terminal B, the pods are by Gates B7 and between Gates B18 and B19. Kidports are also available at the airport. They are near Gate 18 in Terminal A, by Gates B30 and B36 in Terminal B, and before Gate 25 in Terminal C.
Are there any pet relief areas at Dulles International Airport?
If you’re traveling with your furry friend, you will be happy to know that IAD offers pet relief areas. The pet relief areas inside the Concourses are next to Gate A32 by Virgin Atlantic Club and across Gate D1. The areas before security after Baggage Claim 1 on the Arrivals Level and by Door 1 after the Aero Mexico Ticket Counter.
Which airlines offer extra legroom and free seat selection on Boston to Washington, D.C. flights?
Among airlines operating Boston to Washington, D.C. flights:
• JetBlue: offers extra legroom; offers free seat selection • United Airlines: offers extra legroom; offers free seat selection • American Airlines: offers extra legroom; offers free seat selection • Delta: offers extra legroom; offers free seat selection
Extra legroom and free seat selection availability depends on fare class and route.
What airlines are available from Boston to Washington, D.C.?
4 airlines operate flights between Boston and Washington, D.C.. The airlines offering nonstop flights on this route include:
• American Airlines • Delta • JetBlue • United Airlines
Which airports can I use when flying from Boston to Washington, D.C.?
Flights from Boston to Washington, D.C. usually depart from Boston Logan Intl (BOS) and may arrive at several airports in Washington, D.C. area, including Washington, D.C. Reagan-National (DCA) and Washington, D.C. Dulles Intl (IAD).
Which airlines include bags at no extra cost on Boston to Washington, D.C. flights?
Here are some options for this route, based on selected ticket types and cabin classes:
• United Airlines: a cabin bag and a checked bag in Economy Class • American Airlines: a cabin bag and a checked bag in Economy Class • Delta: a cabin bag and a checked bag in Economy Class
Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.
What cabin classes can I book on flights from Boston to Washington, D.C.?
Four cabin classes are available on flights from Boston to Washington, D.C.:
• Economy Class • Premium Economy Class • Business Class • First Class
Prices vary by airline.
How much can I save by taking a layover when flying from Boston to Washington, D.C.?
On this route, layover flights are cheaper than nonstop options on average. Layover fares average $188 round-trip via Orlando (MCO), compared to $257 for nonstop.
What is the standard checked-bag allowance on flights from Boston to Washington, D.C.?
There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $35–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.
Which airports do connecting flights from Boston to Washington, D.C. pass through?
One-stop flights from Boston to Washington, D.C. most commonly connect through:
• Newark (EWR) - 56% of one-stop connections • New York John F Kennedy Intl (JFK) - 15% of one-stop connections • Atlanta Hartsfield-Jackson (ATL) - 8% of one-stop connections • Charlotte Douglas (CLT) - 7% of one-stop connections
Newark (EWR) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Boston to Washington, D.C.?
Yes. Being flexible with your travel dates can save you up to 20% on the Boston to Washington, D.C. route. Wednesday is the cheapest departure day at $236 round-trip on average, while Monday is the most expensive at $293, a difference of $57. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
At what point is a flight considered delayed from Boston to Washington, D.C.?
A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Boston to Washington, D.C. route, 19% of flights were delayed in the past 3 months, with delays averaging 2 hours 11 minutes.
How are flight departures from Boston to Washington, D.C. spread across the day?
Morning is the busiest departure period on Boston to Washington, D.C. flights, with 51% of flights leaving in that window. Evening departures account for 20%, night flights for 16%, and afternoon flights for 13%.
What popular places can I visit in Washington, D.C.?
Some of the most popular sights in Washington, D.C. are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. on KAYAK.
How long is a flight from Boston to Washington, D.C.?
A nonstop flight from Boston to Washington, D.C. takes 1h 51m, covering 396 miles.
What are the earliest and latest flights from Boston to Washington, D.C.?
These are the earliest and latest flight times available from Boston to Washington, D.C.:
• Earliest: departs at 5:30 am and lands at 7:21 am • Latest: departs at 9:45 pm and lands at 11:36 pm.
The flight takes about 1h 51m.
How expensive are last-minute Boston to Washington, D.C. flights?
Last-minute fares on this route - booked within 2 weeks of departure - run 30% above the route average of $257. Book 8 weeks before departure for the lowest fares.
Do I need a passport to fly from Boston to Washington, D.C.?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Boston to Washington, D.C. changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $129 to $1,165. That means the highest observed fare was about 9x higher than the lowest one.
How are flight prices from Boston to Washington, D.C. looking right now?
One-way fares from Boston to Washington, D.C. are currently lower than usual. Average one-way flight prices are about $72, which is 60% below the typical average for this route.
How does American Airlines’s on-time performance compare to other airlines on Boston to Washington, D.C. flights?
American Airlines is slightly above the route average for timely arrivals, while Delta has a lower on-time arrival rate. On-time arrival rates on Boston to Washington, D.C. flights are:
• American Airlines: 83% on time • Delta: 82% on time • JetBlue: 77% on time
Overall, flights on this route are on time 81% of the time on average.
How do delay rates compare for morning and evening flights from Boston to Washington, D.C.?
Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.
Is it cheaper to take a train or bus instead of flying between Boston and Washington, D.C.?
Based on prices from the last 5 days, flying between Boston and Washington, D.C. is around $129 round-trip, with a flight time of about 1h 35m. Taking the train is much cheaper at around $108, with a trip time of about 8h 03m. The bus is similarly priced at around $74 and takes about 9h 30m. Compared with flying, recent train and bus fares are roughly 30% lower. However, those options take about 7+ hours longer each way.
How much time can I save by choosing a different layover airport from Boston to Washington, D.C.?
Flying via New York LaGuardia (LGA) gives the shortest average 1-stop total travel time at 4h 31m, compared with 4h 35m via Newark (EWR) and 4h 48m via Detroit Metropolitan Wayne County (DTW).
What car rental options are available in Washington, D.C.?
Since Washington, D.C. is served by multiple airports, car rental options and rates can vary depending on which one you fly into. Near Washington, D.C. Reagan-National Airport (DCA) — daily rates from around $23:
· Sixt · Dollar · Thrifty · Alamo · Budget
Near Washington, D.C. Dulles Intl Airport (IAD) — daily rates from around $24:
· Dollar · Budget · Hertz · Sixt · Thrifty
How much should I expect to pay for a Boston to Washington, D.C. flight?
Round-trip flights from Boston to Washington, D.C. range from $190 to $352, with an average of $257 over the past 12 months. Anything below $190 counts as a good deal.
Which airlines offer Wi-Fi on Boston to Washington, D.C. flights?
Three airlines offer in-flight Wi-Fi on Boston to Washington, D.C. flights:
• JetBlue
• American Airlines
• Delta
Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.
Your guide to booking Boston to Washington, D.C. flights
Get tips on when to book, when to fly and what to know before your trip.
If your dates can be flexible, aim for a Wednesday departure instead of Monday. On this route, Wednesday flights average $236 - about $57 less than Monday (19% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 8 weeks before you fly. On this route, that window historically saves about 37% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Boston to Washington, D.C. trip for January. Fares historically average $220 round-trip in that month - typically $84 less than the most expensive month, which is June (based on the last 12 months).
If arriving on time is high on your priority list, American Airlines is the strongest pick on this route. 83% of American Airlines flights from Boston to Washington, D.C. arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 81%. When flights on this route do arrive late, the average delay is 2 hours 11 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
If you have the time, taking a 1-stop flight through Orlando Airport (MCO) can be cheaper than flying direct. The cheapest layover option averages $188 round-trip on this route - about $69 less than direct flights (based on the last 12 months).
When looking for a unique dining experience before flights from Boston to Washington, an excellent choice is Legal Seafood located in Terminal B at Gate B-8 of Boston Logan International Airport. Their menu features a wide variety of salads and appetizers, a complete menu of seafood favorites like chowders, plus seared and fried seafood. On top of that, they also offer a breakfast menu as well as sumptuous desserts.
If you happen to forget something to read for your flight from Boston to Washington, why not stop by BookLink, located in Terminal near gate A7 at Boston Logan International Airport? BookLink carries a complete selection of books, including all of the latest bestsellers as well as a wide assortment of periodicals and magazines, all guaranteed to help make your flight fly by.
When looking for a hotel that is close to Washington Dulles International Airport, the most convenient option is the Washington Dulles Airport Marriott. The hotel is newly renovated, and its location provides quick access to the Dulles Technology Corridor. The hotel offers a complimentary shuttle bus to all of the airport terminal buildings as well as an indoor/outdoor pool, a fitness center, and the Aviate Bar and Grill for a filling dinner or to quietly sit and relax with a cocktail.
If flights from Boston to Washington cause you to get a little too stressed, why not stop in at BeRelax Spa, located in Concourse B near gate B64 at Washington Dulles International Airport? BeRelax offers chair massages, manicures and pedicures, and a complete selection of waxing and facial care services. Arrive in comfort and style by visiting BeRelax Spa.
Travelers in need of a hotel that is both comfortable and convenient need look no further than the Crystal City Marriott at Reagan National Airport. The hotel is located near all of the main attractions in Washington and is also a short distance from the metro station. The hotel features soundproof windows as well as luxurious bedding, plus daily turndown service to assure you a good night’s sleep, no matter what is going on in the chaotic world around you.
Dulles International Airport (IAD) offers smoking areas outside the Terminal building and smoking lounges in the concourses to accommodate smoking passengers. The smoking lounges are adjacent to Gate B37 in Concourse B and across Gate C2 in Concourse C and Gate D30 in Concourse D.
IAD has an Interfaith Chapel. The chapel remains open 24/7 for members of all denominations and religions. Sacred literature and scriptures are available in English, French, Amharic, Urdu, Polish, and Spanish just to mention a few.
Boston Logan International Airport (BOS) consists of Terminal A, Terminal B, Terminal C, and Terminal D. Three of the terminals are linked by moving walkways. Massport offers free airport shuttles to ferry passengers within the terminals. The shuttles run from 9 am to 8 pm daily and have stops outside the terminals.
Do you need to change some notes while at Ronald Regan Washington National Airport (DCA)? Visit the currency exchange office adjacent to the Information Booth in Terminal C.
You're welcome to pass some time at DCA while enjoying its Art Program. The airport provides rotating and permanent artworks in every terminal. You can visit the Exhibit Hall in Terminal A or spend time at Abingdon Plantation which is between Terminal B and A's Parking Lots.
Prefer to fly direct from Boston to Washington, D.C.?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Boston Logan Intl to Washington, D.C..
Find which airlines fly direct from Boston Logan Intl Airport to Washington, D.C., which days they fly and book direct flights.
Direct departures
Boston Logan Intl to Washington, D.C.
Monday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Tuesday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Wednesday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Thursday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Friday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Saturday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Sunday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
See more direct flights
Direct returns
Washington, D.C. to Boston Logan Intl
Monday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Tuesday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Wednesday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Thursday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Friday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Saturday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
Sunday
American Airlines,Delta,JetBlue, +1 more
American Airlines,Delta, +2 more
See more direct flights
Everything you need to know for your flight from Boston to Washington, D.C.
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Other airlines flying from Boston to Washington, D.C.
Flights from the other most popular airlines that fly from Boston to Washington, D.C. according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.
Cabin class types available on flights from Boston to Washington, D.C.
Cabin classes available on flights from Boston to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Flights from all airports within Boston to Washington, D.C.. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
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