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Cheap flights from Boston to Watertown from $150

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Watertown departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

American Airlines Logo
9:00 am - 4:02 pmBOS-ART
7h 02m1 stop
American Airlines Logo
2:45 pm - 8:45 pmART-BOS
6h 00m1 stop
$150American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
9:15 am - 4:02 pmBOS-ART
6h 47m1 stop
American Airlines Logo
4:27 pm - 8:35 pmART-BOS
4h 08m1 stop
$176American Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
American Airlines Logo
9:00 am - 4:02 pmBOS-ART
7h 02m1 stop
American Airlines Logo
2:45 pm - 11:34 pmART-BOS
8h 49m2 stops
$335American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
9:15 am - 4:02 pmBOS-ART
6h 47m1 stop
American Airlines Logo
4:27 pm - 10:09 pmART-BOS
5h 42m2 stops
$360American Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
American Airlines Logo
11:14 am - 10:50 pmBOS-ART
11h 36m2 stops
American Airlines Logo
2:45 pm - 10:10 pmART-BOS
7h 25m2 stops
$460American Airlines
Find Deal
Thu, Oct 2 - Mon, Oct 6
American Airlines Logo
11:14 am - 8:29 pmBOS-ART
9h 15m2 stops
American Airlines Logo
4:27 pm - 11:35 pmART-BOS
7h 08m2 stops
$492American Airlines
Find Deal
Sat, Sep 27 - Mon, Sep 29
American Airlines Logo
7:30 am - 2:20 pmBOS-ART
6h 50m1 stop
American Airlines Logo
6:00 am - 10:14 amART-BOS
4h 14m1 stop
$503American Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
American Airlines Logo
9:20 am - 2:20 pmBOS-ART
5h 00m1 stop
American Airlines Logo
2:45 pm - 10:10 pmART-BOS
7h 25m2 stops
$584American Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19
American Airlines Logo
11:00 am - 10:56 pmBOS-ART
11h 56m2 stops
American Airlines Logo
2:45 pm - 10:10 pmART-BOS
7h 25m2 stops
$777American Airlines
Find Deal
Fri, Oct 17 - Sun, Oct 19

American Airlines flights from Boston to Watertown, New York

Our best American Airlines deals on Boston to Watertown, New York flight tickets
American Airlines
Oct 2
BOS9:00 amBoston Logan Intl
7h 02m
1 stop
ART4:02 pmWatertown
Oct 6
ART2:45 pmWatertown
6h 00m
1 stop
BOS8:45 pmBoston Logan Intl
$150
Find similar
American Airlines
Sep 27
BOS9:15 amBoston Logan Intl
6h 47m
1 stop
ART4:02 pmWatertown
Sep 29
ART4:27 pmWatertown
4h 08m
1 stop
BOS8:35 pmBoston Logan Intl
$176
Find similar
American Airlines
Sep 19
BOS4:50 pmBoston Logan Intl
6h 00m
1 stop
ART10:50 pmWatertown
Sep 21
ART6:00 amWatertown
4h 10m
1 stop
BOS10:10 amBoston Logan Intl
$246
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boston to Watertown, New York that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 16, 2025.
Use the filters below to find and compare flights from Boston to Watertown, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Thu 10/2

9:00 am-4:02 pm

1 stop7h 02m

Watertown

Mon 10/6

2:45 pm-8:45 pm

1 stop6h 00m

$150

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Sat 9/27

9:15 am-4:02 pm

1 stop6h 47m

Watertown

Mon 9/29

4:27 pm-8:35 pm

1 stop4h 08m

$176

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Thu 10/2

9:00 am-4:02 pm

1 stop7h 02m

Watertown

Mon 10/6

2:45 pm-11:34 pm

2 stops8h 49m

$335

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Sat 9/27

9:15 am-4:02 pm

1 stop6h 47m

Watertown

Mon 9/29

4:27 pm-10:09 pm

2 stops5h 42m

$360

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Thu 10/2

11:14 am-10:50 pm

2 stops11h 36m

Watertown

Mon 10/6

2:45 pm-10:10 pm

2 stops7h 25m

$460

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Sat 9/27

11:14 am-8:29 pm

2 stops9h 15m

Watertown

Mon 9/29

4:27 pm-11:35 pm

2 stops7h 08m

$492

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Fri 10/17

7:30 am-2:20 pm

1 stop6h 50m

Watertown

Sun 10/19

6:00 am-10:14 am

1 stop4h 14m

$503

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Fri 10/17

9:20 am-2:20 pm

1 stop5h 00m

Watertown

Sun 10/19

2:45 pm-10:10 pm

2 stops7h 25m

$584

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Fri 10/17

11:00 am-10:56 pm

2 stops11h 56m

Watertown

Sun 10/19

2:45 pm-10:10 pm

2 stops7h 25m

$777

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

Mon 10/13

6:12 pm-10:56 pm

1 stop4h 44m

$373

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 11 resultsSorted by cheapest first
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See travel insights to Watertown from

How to get the cheapest flight ticket from Boston to Watertown, New York

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 cheapest day to depart on your flight to Watertown, New York?

The cheapest day to depart on your flight to Watertown, New York is on a Tuesday when prices can be found for as low as $196. This is often the case because there is less demand to fly during this day of the week. Flights from Boston to Watertown, New York on a Sunday will generally be more expensive and average around $484. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Watertown, New York?

Flying to Watertown, New York from Boston in the morning is the least expensive time of day to depart. momondo users have found prices as low as $206 when looking at flights departing in the morning. Flights in the afternoon are often more expensive with an average ticket price of $484.

When to book flights from Boston to Watertown, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Boston to Watertown, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boston to Watertown, New York (BOS to ART) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Boston to Watertown, New York

Direct flights

None
There are no direct flights from Boston to Watertown, New York. There are no popular flight routes from Boston to Watertown, New York.
Search flight deals

  • How far is Boston Logan Intl to Watertown by plane?

    The distance between Boston Logan Intl and Watertown is about 268.5 mi. By plane, this route typically takes 5h 00m.

  • When did momondo last update prices for flights from Boston Logan Intl Airport to Watertown Airport?

    Prices for flights from Boston Logan Intl Airport to Watertown Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Watertown Airport?

  • How old do you have to be to fly from Boston Logan Intl Airport to Watertown Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Boston Logan Intl Airport to Watertown Airport.

  • What documentation or ID do you need to fly to Watertown Airport?

    The necessary travel and health documents for your Watertown Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Boston to Watertown, New York?

Best airlines flying from Boston to Watertown, New York

Compare and see reviews for airlines that fly from Boston to Watertown, New York with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $186Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Watertown?

Book flights to Watertown if you plan to visit one of these locations
Alexandria Bay
Clayton

Why use momondo?

Why should I use momondo to find a flight deal from Boston to Watertown?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Watertown from Boston.

Can I find flights from Boston to Watertown with flexible booking policies on momondo?

All flight searches from Boston to Watertown on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Boston to Watertown?

momondo helps you find the best flight between Boston and Watertown by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Boston to Watertown right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Boston to Watertown flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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