Cheap flights from Boston to Washington, D.C. from $30
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Washington, D.C. departing on 9/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Spirit Airlines flights from Boston to Washington, D.C.
Our best Spirit Airlines deals on Boston to Washington, D.C. flight tickets
Frontier flights from Boston to Washington, D.C.
Our best Frontier deals on Boston to Washington, D.C. flight tickets
See travel insights to Washington, D.C. from
How to get the cheapest flight ticket from Boston to Washington, D.C.
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Boston and Washington, D.C.?
What is the cheapest month to fly to Washington, D.C.?
The month of January is, on average, the cheapest month to fly to Washington, D.C. from Boston, with most prices found around $149. If you’re not able to fly to Washington, D.C. in January, then August is your next best option. Flight prices from Boston to Washington, D.C. during August average around $167.
What is the cheapest day to depart on your flight to Washington, D.C.?
On average, the least expensive day to fly to Washington, D.C. from Boston is on a Friday. momondo users have found tickets for Friday departures for as low as $282. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Boston to Washington, D.C. for around $359.
What is the cheapest time of day to depart on your flight to Washington, D.C.?
In the afternoon is the cheapest time of day to fly from Boston to Washington, D.C. when you can find flight prices for as low as $271. Flying to Washington, D.C. in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $326. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Boston Logan Intl to Washington, D.C. flight route?
Fly from Boston Logan Intl to Baltimore/Washington for the best Boston Logan Intl - Washington, D.C. flight prices
How far in advance should I book a flight to Washington, D.C.?
You are more likely to see cheaper flights to Washington, D.C. from Boston when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. for around $184 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. from Boston for as low as $131 on momondo.
What cabin class options are available on Boston Logan Intl to Washington, D.C. flights?
There are 4 cabin classes available to choose from on Boston Logan Intl to Washington, D.C. flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Boston Logan Intl to Washington, D.C.?
Spirit Airlines, Allegiant Air, and United Airlines are the most popular carriers operating from Boston Logan Intl to Washington, D.C.
What airlines fly to Washington, D.C.?
American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Washington, D.C. from Boston according to our data. American Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 6 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.
How many flights depart from Boston to Washington, D.C. on average per day?
The number of flights available between Boston and Washington, D.C. is 73 per day as of June 2025. The most frequent departure time is 8:00PM, with 40% of daily flights leaving in the afternoon.
How many flights depart from Boston to Washington, D.C. on average per week?
The number of flights available between Boston and Washington, D.C. is 511 per week as of June 2025. The most frequent departure day is Thu, with 20% of weekly flights leaving on this day.
When to book flights from Boston to Washington, D.C.
Cheap Boston to Washington, D.C. (BOS to WAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Boston to Washington, D.C.
Best Price Found | $30 |
|---|---|
Fastest flight time | 1h 30m |
Direct flights | Every day |
Airports in Washington, D.C. | 1 airport |
Is flying the fastest way to get from Boston to Washington, D.C.?
Based on just travel duration our users have found a flight from Boston to Washington, D.C. to be the fastest option to their destination at just 1h 30m. If travel time is less of a concern you may want to look into booking some alternative forms of transportation like a train from Boston to Washington, D.C. or a bus from Boston to Washington, D.C..
Is flying the cheapest way to get from Boston to Washington, D.C.?
A flight from Boston to Washington, D.C. from $62 can save you up to 53% on the cost of your trip compared to booking a train from Boston to Washington, D.C. or a bus from Boston to Washington, D.C..
How far is Boston Logan Intl to Washington, D.C. by plane?
There are 393.5 mi between Boston Logan Intl and Washington, D.C.. 1h 30m is a normal flight duration for this route.
When did momondo last update prices for flights from Boston Logan Intl Airport to Washington, D.C.?
Prices for flights from Boston Logan Intl Airport to Washington, D.C. refresh daily.
How many operators does momondo search for flights from Boston Logan Intl Airport to Washington, D.C.?
The number of operators available for flights from Boston Logan Intl Airport to Washington, D.C. is 6 as of June 2025.
How old do you have to be to fly from Boston Logan Intl Airport to Washington, D.C.?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Boston Logan Intl Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Boston to Washington, D.C.?
Based on momondo bookings for flights between Boston and Washington, D.C., the leading plane model is Embraer 175, making up 17.43% of the total bookings. Other popular models include Embraer 190 with 9.22%, Embraer 170 with 7.13%, and Airbus A320 (sharklets) with 6.91%.
What is the most popular airline from Boston to Washington, D.C.?
Based on momondo bookings for flights between Boston and Washington, D.C., the leading airline is Spirit Airlines, making up 28% of the total bookings. Other popular airlines include JetBlue with 24%, American Airlines with 22%, and Delta with 15%.
Best airlines flying from Boston to Washington, D.C.
Compare and see reviews for airlines that fly from Boston to Washington, D.C. with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $49 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $60 | Free Cancellation | Rating 7.3 2,925 reviews | |||
| PriceFrom $110 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $139 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $147 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom $175 | Free Cancellation | Rating 8.0 4,287 reviews |
Delta Flights From Boston to Washington, D.C.
Across 46 Delta flights from Boston to Washington, D.C. this week, the average price was $244, with the best Delta deals starting from $110 round-trip. 7,950 users have rated Delta on momondo, with an average score of 8.0/10.
United Airlines Flights From Boston to Washington, D.C.
Another popular option for Boston to Washington, D.C. flights is United Airlines (7.4/10, 8,790 ratings). United Airlines flies from Boston to Washington, D.C. around 25 times per week, with deals starting from $147 round-trip and rising to an average price of around $258.
Traveling to a place near Washington, D.C.?
Book flights to Washington, D.C. if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Boston to Washington, D.C.?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Washington, D.C. for you.
Can I find flights from Boston to Washington, D.C. with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Boston to Washington, D.C. flights to just show those with flexible booking policies.
How can momondo help me find flights from Boston to Washington, D.C.?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boston to Washington, D.C..
I’m not ready to book a flight from Boston to Washington, D.C. right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to Washington, D.C. from Boston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.