$86 Cheap Flights from Boston (BOS) to Washington (DCA)

Boston (BOS) to Washington (DCA) at a glance

Travel between Boston (BOS) and Washington (DCA) with a range of airlines offering convenient options for this short domestic route. Whether you prefer full-service airlines or budget-friendly carriers, you can compare flights from Boston to Washington to find the schedule and airfare that suit your needs. As you plan your visit to explore the iconic landmarks and vibrant neighborhoods of Washington, remember to check the key details for flights departing from Logan International Airport (BOS) to Ronald Reagan Washington National Airport (DCA).

• Fastest flight duration: around 1h 45m non-stop
• Route distance: roughly 400 miles (645 km)
• Flights per week: around 140+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $70–$285, depending on seasonality and how far ahead you book

Flights from Logan International Airport (BOS) to Ronald Reagan Washington National Airport (DCA)

According to recent traveler bookings, here are the top airlines favored for flights from Boston to Washington, featuring both non-stop and one-stop options. Common layover points include Newark Liberty International Airport (EWR) with a layover of about 1 hour and 30 minutes, John F. Kennedy International Airport (JFK) at approximately 1 hour and 15 minutes, and LaGuardia Airport (LGA), also around 1 hour and 15 minutes. This variety allows you to balance cost, total travel time, and cabin class to create your ideal itinerary.

• American Airlines: This full-service airline provides both non-stop and one-stop options, with one-way fares generally falling between $70 and $275. It represents about 35% of departures on this route, with a standard non-stop travel duration of 1 hour and 45 minutes.
• JetBlue Airways: As a low-cost option, JetBlue offers both non-stop and one-stop services, with typical one-way prices ranging from $70 to $290. The airline accounts for roughly 32% of departures on this route, with a usual non-stop flight time of 1 hour and 45 minutes.
• Delta: A full-service carrier, Delta provides both non-stop and one-stop flights, with one-way fares usually between $70 and $320. It constitutes about 32% of route departures, with a typical non-stop journey lasting 1 hour and 45 minutes.
• United: This full-service airline offers one-stop flights, with one-way fares typically ranging from $80 to $270. United makes up around 1% of departures on this route, with a flight time of about 3 hours and a total travel duration of approximately 4 hours and 15 minutes, including layover.

Travelers flying from Boston to Washington can enhance their experience by upgrading their flight. Delta provides options in both first class and premium economy, while American Airlines specializes in first class, and JetBlue Airways offers premium economy service.

Best time to fly from Boston (BOS) to Washington (DCA)

The most popular months for travelers flying from Boston to Washington are February, March, and April, when peak temperatures in Washington reach up to 56.3°F in April. If you prefer quieter travel, consider September, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 71.1°F. For better deals, January usually offers the lowest average one-way fare around $122. Flight availability peaks in October, with approximately 167 flights per week, making it easier to find convenient departure times. January has the fewest flights, with approximately 127 flights per week.

• Cheapest time to fly: January usually offers good deals with average one-way fare around $122, roughly 20% cheaper than the yearly average.
• Another budget-friendly time to fly: December typically offers an average one-way fare of around $136.
• Most flight options: October has the highest number of flights from Boston to Washington, with approximately 167 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative route from Boston (BOS) to Washington (DCA)

• Boston to Washington (BOS-IAD): Washington Dulles International Airport (IAD) is located approximately 23 miles from Ronald Reagan Washington National Airport (DCA). One-way economy ticket prices for this route generally fall between $75 and $285, varying by season and how far in advance you book. Travelers can choose from both non-stop and one-stop flights, with major airlines like United and Delta frequently servicing this route. Additionally, first class is an option on this journey.

How to find the best prices for flights from Boston (BOS) to Washington (DCA)

Getting some of the best deals on flights from Boston to Washington is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually found when booking 2-8 weeks in advance, which coincides with when most travelers make their reservations. Morning departures between 5 AM and 12 PM tend to be less expensive and are also the most preferred flight times. Additionally, flying on Wednesday often yields lower prices, while Friday remains the most popular travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Ronald Reagan Washington National Airport from Logan International Airport

Washington welcomes travelers from Boston with a range of transport options based on price, convenience, and proximity. Washington city center is approximately a 10-minute drive (covering about 5 miles) from Ronald Reagan Washington National Airport, depending on traffic. Here's how to reach Washington efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Washington, with private rides that can be arranged in advance.
• Car rental: Renting a car from Ronald Reagan Washington National Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Ronald Reagan Washington National Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Ronald Reagan Washington National Airport, travelers will find National Airport Station, a metro station, just 0.2 miles away on foot, while Alexandria Station, a train station, is about 3.8 miles away by car. Additionally, Washington Seaport, a seaport, is located approximately 4.8 miles from the airport, also accessible by car.

Boston to Washington Flights

The cheapest times to fly from Boston to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Boston to Washington are during the month of November. You can find some of the cheapest flights from Boston to Washington with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Boston to Washington

Sunday is one of the best days to book for cheap flights from Boston to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Boston to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Boston to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $86 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Boston to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Boston to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.