Route guide · 399 miles
Cheap Flights from Boston to Washington
BOS → DCA · Nonstop 1h 19m · Live round-trip fares
Flying from Boston to Washington doesn't have to drain your wallet. This 399-mile hop takes about 1h 19m nonstop, and fares swing a lot depending on the week you pick. Travelers who book roughly 2–4 weeks out usually come out ahead — set a free alert and let the deals come to you.
Live fares for BOS → DCA are updating. Use the search below for real-time prices.
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See live fares
Updated daily
Flight time
1h 19m
Nonstop, typical
Distance
399 mi
BOS → DCA
Book ahead
2–4 weeks
Best window, typically
Nonstop airlines
2
American Airlines, JetBlue
Nonstop flights from Boston to Washington
The fastest way between the two cities is the nonstop: about 1h 19m for the 399-mile run from BOS to DCA. Those flights are flown by American Airlines, JetBlue. Prices behave best when you book 2–4 weeks out.
Booking insights: Boston → Washington
- Distance: 399 miles · nonstop flight time: 1h 19m.
- Cheapest upcoming week in the live data starts around Nov 4, with fares from $65.
- Fares tend to bottom out when you book about 2–4 weeks ahead — earlier than that rarely helps, later usually hurts.
- Midweek departures (Tue–Thu) are consistently cheaper than weekend flights.
- A free fare alert beats daily checking: we watch this route and ping you when prices drop.
Price trend
Cheapest departure weeks ahead
Near-term departures around Nov 4 are currently the cheapest on this route. Based on recent fares found for this route; prices change quickly.
Cheapest month · Boston → Washington
November 2026
Every date's recent round-trip fare, at a glance.
Fares from
$65
Cheapest: Sun, Nov 8 — $65 · Priciest: Nov 19 — $211
Get this fare →Recent fares found for specific dates in November 2026. Blank days had no recent fare in our data — ask our team and we'll check them for you.
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Flying from Boston to Washington: what you need to know
The flight
At 399 miles, BOS to DCA is one of those quick up-and-down flights: roughly 1h 19m nonstop. There's no meal service to plan around — the decisions that matter here are departure time and which airport entrance traffic is kinder to you.
Airlines on this route
American Airlines and JetBlue fly this route nonstop. That matters more than it sounds: the cheapest fare on one carrier is rarely the same product as the cheapest on another. Checked-bag fees, free seat selection and change rules all differ, so compare the full trip cost before you pick a winner. See our airline guides for exactly what each carrier charges — then send an enquiry and we'll confirm the all-in price for your dates.
Leaving from Boston (BOS)
Plan to be at the airport two hours before a domestic departure — ninety minutes can work at smaller airports outside peak times, but security lines are the one variable you can't control. If you're checking a bag, add time rather than cutting it close. Our Boston airport guide covers terminals, parking and ground transport so you can plan the trip to the airport, not just the flight.
Arriving in Washington (DCA)
Before you land, know how you're getting from the airport to where you're staying — it's the part of the trip people forget to plan. The Washington airport guide lays out your ground options, from transit and shuttles to rideshares and rental cars. Flying back the other way? Check Washington to Boston fares — prices on the return direction often move on a different rhythm.
When to book
For a trip of 399 miles, booking 2–4 weeks ahead typically lands you in the sweet spot. Leave it to the final two weeks and prices usually climb as the cheapest seats sell out. If your dates are flexible, midweek departures are where the lower fares hide on most domestic routes.
Good to know before you go
- Get to the airport two hours before departure; security, not the flight, is the part that runs late.
- If you're traveling with only a carry-on, you can skip the bag-drop line entirely with mobile check-in.
- Download the airline's app before you fly; gate changes and delays show up there first.
- Nonstop time on this route is about 1h 19m — a one-stop itinerary needs to be a lot cheaper to be worth the extra hours.
- Tuesday and Wednesday departures are typically the cheapest days on domestic routes.
Boston to Washington flight FAQs
How long is the flight from BOS to DCA?
Nonstop flights from Boston to Washington take about 1h 19m and cover roughly 399 miles. One-stop itineraries add 2–4 hours depending on the layover city.
Are there nonstop flights from Boston to Washington?
American Airlines, JetBlue typically operate nonstop flights from BOS to DCA. Nonstops are usually cheapest when booked 2–4 weeks ahead of departure.
What is the cheapest month to fly from Boston to Washington?
There's no single magic month, but prices on this route generally soften in the shoulder season, when demand dips after the holidays and again in early fall. A free fare alert is the easiest way to catch those windows.
How much are last minute flights from BOS to DCA?
Last-minute flights from BOS to DCA (booked within 7 days of departure) typically cost noticeably more than fares booked 2–4 weeks out. Booking early is the smarter move.
What is a good round-trip deal from Boston to Washington?
A good deal is anything at or below the recent fares shown above. Set a free Flyzento alert and we'll ping you the moment fares drop.
Which airlines fly from Boston to Washington?
You'll mainly see American Airlines, JetBlue on Boston to Washington. Checking each against the live fares below is the surest way to find the lowest price for your dates.
How early should I get to Boston airport for this flight?
Plan on two hours before departure for a domestic flight — ninety minutes can work at smaller airports outside peak times. If you're checking a bag, earlier is better; the bag-drop line, not the flight, is what runs late.
Do the cheapest fares on this route include a checked bag?
Usually not. Basic economy fares on most airlines include a carry-on but charge extra for checked bags, and seat selection can cost more too. Add up the real total before comparing — a slightly higher regular fare sometimes works out cheaper. Our team confirms the full breakdown with you before you pay.
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