BOS - ART

$618 Find Cheap Flights from Boston to Watertown - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$618
Typical prices: $148-$419
American Airlines
Tue 10/9Sat 10/13
BOS - ART • 1 stop
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Cheap Flights from Boston to Watertown (BOS-ART)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Boston to Watertown

Fri, Oct 9 - Tue, Oct 13
American Airlines Logo
11:21 am - 5:00 pmBOS  Boston Logan Intl-ART Watertown
5h 39m1 stop Philadelphia
American Airlines Logo
5:25 pm - 11:39 pmART  Watertown-BOS Boston Logan Intl
6h 14m1 stop Philadelphia
$618American Airlines
Wed, Oct 7 - Sun, Oct 11
American Airlines Logo
12:55 pm - 5:51 pmBOS  Boston Logan Intl-ART Watertown
4h 56m1 stop Philadelphia
American Airlines Logo
5:25 pm - 9:49 pmART  Watertown-BOS Boston Logan Intl
4h 24m1 stop Philadelphia
$663American Airlines
Wed, Oct 7 - Sun, Oct 11
American Airlines Logo
8:22 am - 5:51 pmBOS  Boston Logan Intl-ART Watertown
9h 29m2 stops Washington, D.C. Reagan-National Philadelphia
American Airlines Logo
5:25 pm - 9:49 pmART  Watertown-BOS Boston Logan Intl
4h 24m1 stop Philadelphia
$824American Airlines
Fri, Oct 9 - Tue, Oct 13
American Airlines Logo
11:57 am - 10:27 pmBOS  Boston Logan Intl-ART Watertown
10h 30m2 stops Washington, D.C. Reagan-National Philadelphia
American Airlines Logo
5:25 pm - 9:49 pmART  Watertown-BOS Boston Logan Intl
4h 24m1 stop Philadelphia
$846American Airlines
Fri, Oct 9 - Tue, Oct 13
American Airlines Logo
6:59 am - 5:00 pmBOS  Boston Logan Intl-ART Watertown
10h 01m2 stops Washington, D.C. Reagan-National Philadelphia
American Airlines Logo
5:25 pm - 7:48 amART  Watertown-BOS Boston Logan Intl
14h 23m2 stops Philadelphia Washington, D.C. Reagan-National
$1,102American Airlines
Booking Insights

Price, demand and travel trends for Boston to Watertown flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Boston to Watertown?

Round-trip flights from Boston to Watertown typically range from $148 to $419. The lowest price found in the past 5 days was $618, on American Airlines.

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Key details for Boston to Watertown flights

Cheapest flight

$618
Round-trip flight from Boston to Watertown

When to book flights from Boston to Watertown

Are your dates flexible? Find out the best times to travel from Boston to Watertown based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Boston to Watertown flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • Do I need a passport to fly from Boston to Watertown?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • Have flight prices from Boston to Watertown changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route varied from about $618 to $1,102. That means the highest observed fare was about 78% higher than the lowest one.

  • Which airports can I use when flying from Boston to Watertown?

    Flights from Boston to Watertown usually depart from Boston Logan Intl (BOS) and arrive at Watertown (ART).

  • Which airports do connecting flights from Boston to Watertown pass through?

    Most connecting flights from Boston to Watertown pass through Philadelphia (PHL), which handles 100% of one-stop traffic on this route.

  • Can I save money by using flexible dates for flights from Boston to Watertown?

    Yes. Flexible dates can save you up to 77% on flights from Boston to Watertown. Saturday is the cheapest departure day at $148 round-trip on average, while Tuesday is the most expensive at $619, a difference of $471.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

Your guide to booking Boston to Watertown flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Tuesday. On this route, Saturday flights average $148, about $471 less than Tuesday fares (76% savings) based on the last 12 months.

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