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Cheap flights from Idaho to Watertown from $1,124

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to Watertown departing on 6/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Idaho to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:40 pm - 3:39 pm
BOI
-
ART
19h 59m
2 stops
American Airlines Logo
6:00 am - 2:20 pm
ART
-
BOI
10h 20m
2 stops
$1,124American Airlines
Sun, Jun 14 - Sun, Jun 21
American Airlines Logo
6:26 am - 10:52 pm
BOI
-
ART
14h 26m
3 stops
American Airlines Logo
6:00 am - 2:20 pm
ART
-
BOI
10h 20m
2 stops
$1,357American Airlines
Sun, Jun 14 - Sun, Jun 21
American Airlines Logo
8:11 am - 10:52 pm
BOI
-
ART
12h 41m
3 stops
American Airlines Logo
6:00 am - 5:09 pm
ART
-
BOI
13h 09m
3 stops
$1,713American Airlines
Sun, Jun 14 - Sun, Jun 21

American Airlines flights from Idaho to Watertown, New York

Our best American Airlines deals on Idaho to Watertown, New York flight tickets
American Airlines
Jun 14
BOI5:40 pmBoise Air Term. Gowen Fld
19h 59m
2 stops
ART3:39 pmWatertown
Jun 21
ART6:00 amWatertown
10h 20m
2 stops
BOI2:20 pmBoise Air Term. Gowen Fld
$1,124
American Airlines
Jun 14
BOI6:26 amBoise Air Term. Gowen Fld
14h 26m
3 stops
ART10:52 pmWatertown
Jun 21
ART6:00 amWatertown
10h 20m
2 stops
BOI2:20 pmBoise Air Term. Gowen Fld
$1,357
American Airlines
Jun 14
BOI8:11 amBoise Air Term. Gowen Fld
12h 41m
3 stops
ART10:52 pmWatertown
Jun 21
ART6:00 amWatertown
13h 09m
3 stops
BOI5:09 pmBoise Air Term. Gowen Fld
$1,713

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 March 26, 2026.
Use the filters below to find and compare flights from Idaho to Watertown, New York that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Sun 6/14

5:40 pm-3:39 pm

2 stops19h 59m

Watertown

Sun 6/21

6:00 am-2:20 pm

2 stops10h 20m

$1,124
Quickest round-trip

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Sun 6/14

6:26 am-10:52 pm

3 stops14h 26m

Watertown

Sun 6/21

6:00 am-2:20 pm

2 stops10h 20m

$1,357

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Sun 6/14

8:11 am-10:52 pm

3 stops12h 41m

Watertown

Sun 6/21

6:00 am-5:09 pm

3 stops13h 09m

$1,713

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 Idaho 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 airlines fly to Watertown, New York?

United Airlines, American Airlines and Delta are the top three most popular airlines that fly to Watertown, New York from Idaho according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Watertown, New York. Keep in mind that there are 3 different airlines that fly to Watertown, New York on a routine basis, so you have a few additional options to choose from.

Cheap Idaho to Watertown, New York flight deals and tips

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

Fastest flight time

14h 26m

Direct flights

None
The fastest flight from Idaho to Watertown, New York takes 14h 26m
There are no direct flights from Idaho to Watertown, New York. There are no popular flight routes from Idaho to Watertown, New York.
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  • When did momondo last update prices for flights from Idaho to Watertown Airport?

    Prices for flights from Idaho to Watertown Airport are updated daily.

  • How old do you have to be to fly from Idaho to Watertown Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Idaho to Watertown Airport.

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

    The travel and health documents you'll need for your trip to Watertown Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Watertown Airport. It is always advisable to seek 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 Idaho to Watertown?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to Watertown. momondo saves you time and could save you money on your trip.

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

Yes. momondo enables you to select and highlight flights to Watertown from Idaho with this policy.

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

momondo helps you find the best flight between Idaho 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 Idaho to Watertown right now. Can momondo alert me if prices change?

Price alerts on flights to Watertown from Idaho are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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