Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Boston to Watertown from $408

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 Watertown departing on 5/6. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Boston to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:54 pm - 10:52 pm
BOS
-
ART
6h 58m
1 stop
American Airlines Logo
4:06 pm - 9:14 pm
ART
-
BOS
5h 08m
1 stop
$503American Airlines
ven, mag 22 - lun, giu 1
American Airlines Logo
3:54 pm - 10:52 pm
BOS
-
ART
6h 58m
1 stop
American Airlines Logo
4:06 pm - 11:52 pm
ART
-
BOS
7h 46m
2 stops
$626American Airlines
ven, mag 22 - lun, giu 1
American Airlines Logo
6:00 am - 10:59 am
BOS
-
ART
4h 59m
1 stop
American Airlines Logo
6:00 am - 10:20 am
ART
-
BOS
4h 20m
1 stop
$866American Airlines
dom, mag 3 - gio, mag 7
American Airlines Logo
6:00 am - 10:59 am
BOS
-
ART
4h 59m
1 stop
American Airlines Logo
11:25 am - 7:35 pm
ART
-
BOS
8h 10m
2 stops
$872American Airlines
dom, mag 3 - gio, mag 7
American Airlines Logo
2:04 pm - 11:23 pm
BOS
-
ART
9h 19m
2 stops
American Airlines Logo
11:25 am - 7:35 pm
ART
-
BOS
8h 10m
2 stops
$1,028American Airlines
dom, mag 3 - gio, mag 7
American Airlines Logo
11:17 am - 10:52 pm
BOS
-
ART
11h 35m
2 stops
American Airlines Logo
4:06 pm - 11:52 pm
ART
-
BOS
7h 46m
2 stops
$1,050American Airlines
ven, mag 22 - lun, giu 1

American Airlines flights from Boston to Watertown, New York

Our best American Airlines deals on Boston to Watertown, New York flight tickets
American Airlines
May 22
BOS3:54 pmBoston Logan Intl
6h 58m
1 stop
ART10:52 pmWatertown
Jun 1
ART4:06 pmWatertown
5h 08m
1 stop
BOS9:14 pmBoston Logan Intl
$503
American Airlines
May 22
BOS3:54 pmBoston Logan Intl
6h 58m
1 stop
ART10:52 pmWatertown
Jun 1
ART4:06 pmWatertown
7h 46m
2 stops
BOS11:52 pmBoston Logan Intl
$626
American Airlines
May 3
BOS6:00 amBoston Logan Intl
4h 59m
1 stop
ART10:59 amWatertown
May 7
ART6:00 amWatertown
4h 20m
1 stop
BOS10:20 amBoston Logan Intl
$866

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 aprile 20, 2026.
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

Cheapest round-trip

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

ven 5/22

3:54 pm-10:52 pm

1 stop6h 58m

Watertown

lun 6/1

4:06 pm-9:14 pm

1 stop5h 08m

$503

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

ven 5/22

3:54 pm-10:52 pm

1 stop6h 58m

Watertown

lun 6/1

4:06 pm-11:52 pm

2 stops7h 46m

$626
Quickest round-trip

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

dom 5/3

6:00 am-10:59 am

1 stop4h 59m

Watertown

gio 5/7

6:00 am-10:20 am

1 stop4h 20m

$866

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

dom 5/3

6:00 am-10:59 am

1 stop4h 59m

Watertown

gio 5/7

11:25 am-7:35 pm

2 stops8h 10m

$872

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

dom 5/3

2:04 pm-11:23 pm

2 stops9h 19m

Watertown

gio 5/7

11:25 am-7:35 pm

2 stops8h 10m

$1,028

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

ven 5/22

11:17 am-10:52 pm

2 stops11h 35m

Watertown

lun 6/1

4:06 pm-11:52 pm

2 stops7h 46m

$1,050
Cheapest one-way

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

mer 5/6

6:00 am-10:59 am

1 stop4h 59m

$408

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

mer 5/6

1:22 pm-11:23 pm

2 stops10h 01m

$414
Quickest one-way

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

lun 7/27

10:49 am-3:44 pm

1 stop4h 55m

$433

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

lun 7/27

11:52 am-10:53 pm

2 stops11h 01m

$439

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 airline that flies from Boston Logan Intl to Watertown?

American Airlines is the most popular carrier operating from Boston Logan Intl to Watertown

What airlines fly to Watertown, New York?

American Airlines, JetBlue and Boutique Air are the top three most popular airlines that fly to Watertown, New York from Boston according to our data. American Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to Watertown, New York. Keep in mind that there are 5 different airlines that fly to Watertown, New York on a routine basis, so you have a few additional options to choose from.

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

Fastest flight time

4h 59m

Direct flights

None
The fastest flight from Boston to Watertown, New York takes 4h 59m
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

Frequently asked questions about flying from Boston to Watertown, New York

  • 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 4h 59m.

  • 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 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.

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.

An easier way to manage your Watertown, New York trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mer 5/20
mer 5/27
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States