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$1,063+ Cheap flights from Idaho to Watertown, NY (ART)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — ART
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Idaho to Watertown

Keep the following information in mind while searching for Idaho to Watertown flight deals. Data was last updated September 16, 2025.

Round-trip from

$1,063
(American Airlines)
From Idaho to Watertown
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Find flight deals from Idaho to Watertown

Cheapest flights from Idaho to Watertown
Explore the most affordable flight options available from Idaho to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This American Airlines deal was found by Cheapflights users on 9/16. 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.
Wed 10/17:00 amBOI - ART
2 stops11h 42mAmerican Airlines
Sun 10/54:27 pmART - BOI
2 stops22h 19mAmerican Airlines
Deal found 9/16$1,126

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho 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 September 16, 2025.
Use the filters below to find and compare flights from Idaho to Watertown that are best for you.

Fly from

Idaho

Fly to

Watertown

Route

Depart

Return

Price

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Tue 3/10

7:33 am-10:20 pm

2 stops12h 47m

Watertown

Wed 3/11

6:22 am-4:45 pm

2 stops12h 23m

$1,063

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Wed 10/1

7:00 am-8:42 pm

2 stops11h 42m

Watertown

Sun 10/5

4:27 pm-12:46 pm

2 stops22h 19m

$1,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Best time to book a flight from Idaho to Watertown

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

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

Currently, February is the cheapest month in which you can book a flight from Idaho to Watertown, New York (average of $187). Flying from Idaho to Watertown, New York in May is currently the most expensive (average of $423). 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 Idaho to Watertown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Watertown from Idaho?

    Watertown (ART), located 5.6 mi from the city center, is the airport you fly into when you book flights from Idaho to Watertown.

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

    There are many flights that can get you from Idaho to Watertown, New York in 12h 47m. Fly via American Airlines to get the fastest option. The distance between Idaho and Watertown, New York is about 1984 mi.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Idaho to Watertown, New York (average of $187). Flying from Idaho to Watertown, New York in May is currently the most expensive (average of $423). 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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