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$368+ Cheap flights from Boston to Watertown, NY (BOS - ART)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/28. Fares are subject to change and may not be available on all flights or dates of travel.
BOS — ART
feb. 7 — feb. 141
sáb. 2/7
sáb. 2/14
1 adult, Economy
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Cheap flight deals from Boston to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Boston (BOS) to Watertown (ART). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated enero 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$537
(American Airlines)

One-way from

$368
(American Airlines)
Provider with most accurate pricing for Boston Logan Intl-Watertown flight deals.
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Provider most trusted by Cheapflights users for Boston Logan Intl-Watertown flights.
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From Boston Logan Intl to Watertown
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One-way flight from Boston Logan Intl to Watertown
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Find flight deals from Boston to Watertown

Cheapest flights from Boston to Watertown
Explore the most affordable flight options available from Boston to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on enero 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 2/225:49 amBOS - ART
1 stop17h 06mAmerican Airlines
dom. 3/14:06 pmART - BOS
1 stop7h 17mAmerican Airlines
Deal found 1/8$537

Cheapflights Fare Finder

 
Customize your flight search to find flights from Boston to Watertown 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, Cheapflights users made 2,558,603 searches. Data last updated enero 8, 2026.
Use the filters below to find and compare flights from Boston to Watertown that are best for you.

Fly from

Boston

Fly to

Watertown

Route

Depart

Return

Price

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

dom. 2/22

5:49 am-10:55 pm

1 stop17h 06m

Watertown

dom. 3/1

4:06 pm-11:23 pm

1 stop7h 17m

$537

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

sáb. 3/28

5:15 pm-10:55 pm

1 stop5h 40m

$368

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

mar. 3/24

6:51 pm-10:55 pm

1 stop4h 04m

$368

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

mié. 3/25

12:26 pm-10:55 pm

2 stops10h 29m

$374

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

vie. 3/27

12:59 pm-3:19 pm

1 stop26h 20m

$378

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

lun. 4/13

6:00 am-10:59 am

1 stop4h 59m

$393

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

jue. 3/26

5:15 pm-10:55 pm

1 stop5h 40m

$393

BostonWatertown

BOS - ART

BOSART

Boston Logan Intl

lun. 3/23

6:51 pm-10:55 pm

1 stop4h 04m

$393

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Compare providers for flights from Boston to Watertown

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boston to Watertown in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boston-Watertown, New York flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Boston-Watertown, New York flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Boston-Watertown, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boston-Watertown, New York flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boston-Watertown, New York flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Boston to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Boston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Boston to Watertown

What is the cheapest month to book a flight from Boston to Watertown, New York?

Currently, December is the cheapest month in which you can book a flight from Boston to Watertown, New York (average of $45). Flying from Boston to Watertown, New York in September is currently the most expensive (average of $125). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Boston to Watertown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Boston to Watertown, New York?

    Airlines like American Airlines fly from Boston to Watertown, New York in about 17h 06m. The time it takes to get you to your destination can typically vary by up to . The distance from Boston to Watertown, New York is about 276 mi.

  • Can I find deals for flights from Boston to Watertown that include hotel bookings?

    Yes. In addition to deals on Boston to Watertown flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Boston to Watertown?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Boston to Watertown.

  • Can I find deals for business class flights from Boston to Watertown?

    Yes. Cheapflights offers flight deals from Boston to Watertown by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Boston to Watertown, New York?

    Currently, December is the cheapest month in which you can book a flight from Boston to Watertown, New York (average of $45). Flying from Boston to Watertown, New York in September is currently the most expensive (average of $125). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Watertown?

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

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