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Find cheap one-way flights from Boston to Washington D.C. starting at CNY 50.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from Boston to Washington D.C.?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Boston to Washington D.C.

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Jetblue Airways
From US$53
American Airlines
From US$63
Delta Air Lines
From US$73
United Airlines
From US$88
Sun Country Airlines
From US$157
Spirit Airlines
From US$158
Southwest Airlines
From US$170
ANA airlines

Find more flights and airlines

Find cheap flights from Boston to Washington D.C. by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Boston to Washington D.C..

  • Cheapest
    Delta Air Lines
    BOS
    09:15
    1h 46m
    Direct
    DCA
    11:01
    General Edward Lawrence Logan International Airport - Ronald Reagan Washington National Airport
    Wed, May 15Delta Air Lines
    US$73
  • United Airlines
    BOS
    09:25
    1h 42m
    Direct
    IAD
    11:07
    General Edward Lawrence Logan International Airport - Dulles International Airport
    Wed, May 15United Airlines
    US$88
  • United Airlines
    BOS
    09:25
    1h 42m
    Direct
    IAD
    11:07
    General Edward Lawrence Logan International Airport - Dulles International Airport
    Wed, May 15United Airlines
    US$88
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Boston (BOS) to Washington D.C. (WAS) the cheapest?

    Airlines adjust prices for flights from Boston to Washington D.C. based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Boston (BOS) to Washington D.C. (WAS) cost?

    According to Trip.com's data, the lowest price is around $206.
  • How long does it take to fly from Boston (BOS) to Washington D.C. (WAS) and what is the distance?

    It takes around 1 hour 44 minutes to fly from Boston (BOS) to Washington D.C. (WAS).
  • What are the most popular airlines that fly from Boston (BOS) to Washington D.C. (WAS)?

    Airlines with flights from Boston (BOS) to Washington D.C. (WAS): Delta Air Lines, Qatar Airways, American Airlines, Southwest Airlines, LATAM Airlines, Iberia, Jetblue Airways and United Airlines.

How to find a cheap flight from Boston to Washington D.C.

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Boston to Washington D.C.. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com

Boston to Washington D.C. Flight Information

Cheapest nonstop flight price

$50

Cheapest round-trip ticket price

$97

Off-season for travel

February

Peak season for travel

October

Flight distance

639.48km

Average flight time

1 hour 44 minutes

Popular airline

Delta Air Lines