Cheap flights from Boston to Washington, D.C. Reagan-National Airport
BOS — DCA
11 Jan — 18 Jan1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Boston Logan Intl to Washington, D.C. Reagan-National are usually found in January or February, booked 70 days in advance, depart on a Monday or Wednesday and return on a Tuesday
Find flight deals from Boston to Reagan-National
Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Reagan-National (DCA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 12 December 2025.
Popular in
April
Cheapest in
January
Average price
C$ 313
Highest demand for flights based on searches. 6% potential increase in price (C$ 31 potential increase over avg. RT price).
Best time to book a flight from Boston to Reagan-National
Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Boston to Washington, D.C. Reagan-National Airport
Prices
Airlines
Delays
How far ahead should I book a flight from Boston to Washington, D.C. Reagan-National Airport?
Use this chart to determine the optimal time to book a round-trip flight from Boston to Reagan-National. Price data was last updated on 5 December 2025.
The best time to book flights from Boston to Washington, D.C. Reagan-National Airport is 57 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. Reagan-National Airport?
Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. Reagan-National Airport (average of C$ 142). Flying from Boston to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of C$ 205). 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 time of day to fly from BOS to DCA?
Find hourly flight availability from Boston to Reagan-National. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 12 December 2025.
It’s optimal to fly from Boston to Washington, D.C. Reagan-National Airport in the afternoon. By choosing this option you can save up to 92% on the cost of your flight, compared to a flight at noon.
Weekly flight availability from Boston to Washington, D.C. Reagan-National Airport
Explore weekly flight availability from Boston to Reagan-National. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 12 December 2025.
The most flights from BOS to DCA are scheduled on a Thursday (66 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (14 on average).
How often are flights from Boston to Washington, D.C. delayed?
About 18% of weekly flights between Boston and Washington, D.C. have experienced delays in the past year, with the average delay time being 129 minutes.
What is the most punctual flight time for Boston to Washington, D.C. flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Boston to Washington, D.C. flights?
Over the past year, American Airlines has had the lowest number of delays on this route, with just 16% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Boston to Reagan-National. 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. Reagan-National?
Located just 4.2 km from the city centre, Boston Logan Intl is the airport most travellers will use when flying to Washington, D.C. Reagan-National from Boston. Booking flights from Logan Intl (BOS) to Washington, D.C. Reagan-National should be relatively easy as there are 50 daily outbound flights to Washington, D.C. Reagan-National from 0 different airlines.
What are the most reliable airlines from Boston to Washington, D.C. Reagan-National Airport?
Consider LATAM Airlines (97%), Korean Air (92%) or Alaska Airlines (91%) when booking your flight. These represent the most reliable airlines when flying from Boston to Washington, D.C. Reagan-National Airport.
Can I find deals for flights from Boston to Reagan-National that include hotel bookings?
Yes. In addition to deals on Boston to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Boston to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Reagan-National.
Can I find deals for business class flights from Boston to Reagan-National?
Yes. Cheapflights offers flight deals from Boston to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Boston to Washington, D.C. Reagan-National Airport?
Currently, January is the cheapest month in which you can book a flight from Boston to Washington, D.C. Reagan-National Airport (average of C$ 142). Flying from Boston to Washington, D.C. Reagan-National Airport in June is currently the most expensive (average of C$ 205). 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.
Explore flights to Reagan-National departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 12 December 2025.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Boston to Reagan-National?
When you search for this flight from Boston to Reagan-National, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.
Why should you use Cheapflights to find cheap flight tickets from Boston to Reagan-National?
Cheapflights simply makes it quick and affordable to book flights from Boston to Reagan-National by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Boston to Reagan-National with no change fees?
Cheapflights does show flights with no change fees to all users. To see these options for flights from Boston to Reagan-National, users can toggle the no change fees filter when performing a flight search.
Can Cheapflights notify me if prices for flights from Boston to Reagan-National become cheaper?
Of course! You can now track prices for flights from Boston to Reagan-National and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.
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