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$548+ Cheap flights from Boise to Watertown, NY (BOI - 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ART
Mar 13 — Mar 201
Fri 3/13
Fri 3/20
1 adult, Economy
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Cheap flight deals from Boise to Watertown

Cheapest flights from Boise to Watertown
Explore the most affordable flight options available from Boise to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 11, 2026.

This American Airlines deal was found by Cheapflights users on 2/10. 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.
Thu 3/196:38 am
BOI
-
ART
2 stops14h 17m
American Airlines
Mon 3/234:01 pm
ART
-
BOI
2 stops21h 59m
American Airlines
Deal found 2/10$956
This American Airlines deal was found by Cheapflights users on 2/10. 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.
Fri 3/201:31 pm
BOI
-
ART
2 stops23h 48m
American Airlines
Mon 3/236:00 am
ART
-
BOI
2 stops18h 23m
American Airlines
Deal found 2/10$964

Find flight deals from Boise to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) 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 February 11, 2026.

Most accurate provider

Expedia
1 star

Most trusted provider

Expedia
3 stars

Round-trip from

$956
(American Airlines)

One-way from

$548
(American Airlines)
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Watertown flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Watertown flights.
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From Boise Air Term. Gowen Fld to Watertown
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One-way flight from Boise Air Term. Gowen Fld to Watertown
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Boise 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 February 11, 2026.
Use the filters below to find and compare flights from Boise to Watertown that are best for you.

Fly from

Boise

Fly to

Watertown

Route

Depart

Return

Price

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Thu 3/19

6:38 am-10:55 pm

2 stops14h 17m

Watertown

Mon 3/23

4:01 pm-12:00 pm

2 stops21h 59m

$956

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Fri 3/20

1:31 pm-3:19 pm

2 stops23h 48m

Watertown

Mon 3/23

6:00 am-10:23 pm

2 stops18h 23m

$964

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Thu 3/19

6:38 am-10:55 pm

2 stops14h 17m

$548

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Fri 3/20

6:33 pm-10:55 pm

2 stops26h 22m

$593

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/10

  • Most accurate provider: When it comes to deals on Boise-Watertown, New York flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Boise-Watertown, New York flight deals on Cheapflights vs. Expedia <90% of the time. Price accuracy is based on data collected from Boise-Watertown, New York flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Watertown, New York flights, Cheapflights users trust Expedia the most. Expedia 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 Boise-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 Boise to Watertown

Have a flexible travel schedule? Discover the best time to fly to Watertown from Boise 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 Boise to Watertown

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

Currently, July is the cheapest month in which you can book a flight from Boise to Watertown, New York (average of $253). Flying from Boise to Watertown, New York in February is currently the most expensive (average of $707). 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 Boise 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 Boise to Watertown, New York?

    Departing from Boise to Watertown, New York will take you 14h 17m. The distance from Boise to Watertown, New York is about 1984 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Boise 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 Boise to Watertown, New York?

    Currently, July is the cheapest month in which you can book a flight from Boise to Watertown, New York (average of $253). Flying from Boise to Watertown, New York in February is currently the most expensive (average of $707). 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?

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