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Cheap flights from Boise to Watertown from $548

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Watertown departing on 3/19. 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

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Find the cheapest flights from Boise to Watertown

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:38 am - 10:55 pm
BOI
-
ART
14h 17m
2 stops
American Airlines Logo
4:01 pm - 12:00 pm
ART
-
BOI
21h 59m
2 stops
$956American Airlines
Thu, Mar 19 - Mon, Mar 23
American Airlines Logo
1:31 pm - 3:19 pm
BOI
-
ART
23h 48m
2 stops
American Airlines Logo
6:00 am - 10:23 pm
ART
-
BOI
18h 23m
2 stops
$964American Airlines
Fri, Mar 20 - Mon, Mar 23
American Airlines Logo
7:20 pm - 3:19 pm
BOI
-
ART
17h 59m
2 stops
American Airlines Logo
6:00 am - 10:23 pm
ART
-
BOI
18h 23m
2 stops
$1,565American Airlines
Sat, Mar 14 - Sun, Mar 22
American Airlines Logo
7:20 pm - 3:19 pm
BOI
-
ART
17h 59m
2 stops
American Airlines Logo
6:00 am - 6:02 pm
ART
-
BOI
14h 02m
3 stops
$2,005American Airlines
Sat, Mar 14 - Sun, Mar 22

American Airlines flights from Boise to Watertown, New York

Our best American Airlines deals on Boise to Watertown, New York flight tickets
American Airlines
Mar 19
BOI6:38 amBoise Air Term. Gowen Fld
14h 17m
2 stops
ART10:55 pmWatertown
Mar 23
ART4:01 pmWatertown
21h 59m
2 stops
BOI12:00 pmBoise Air Term. Gowen Fld
$956
American Airlines
Mar 20
BOI1:31 pmBoise Air Term. Gowen Fld
23h 48m
2 stops
ART3:19 pmWatertown
Mar 23
ART6:00 amWatertown
18h 23m
2 stops
BOI10:23 pmBoise Air Term. Gowen Fld
$964
American Airlines
Mar 14
BOI7:20 pmBoise Air Term. Gowen Fld
17h 59m
2 stops
ART3:19 pmWatertown
Mar 22
ART6:00 amWatertown
18h 23m
2 stops
BOI10:23 pmBoise Air Term. Gowen Fld
$1,565

momondo Fare Finder

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

Fly from

Fly to

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

Sat 3/14

7:20 pm-3:19 pm

2 stops17h 59m

Watertown

Sun 3/22

6:00 am-10:23 pm

2 stops18h 23m

$1,565

BoiseWatertown

BOI - ART

BOIART

Boise Air Term. Gowen Fld

Sat 3/14

7:20 pm-3:19 pm

2 stops17h 59m

Watertown

Sun 3/22

6:00 am-6:02 pm

3 stops14h 02m

$2,005

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.

Sorted by cheapest first

See travel insights to Watertown from

How to get the cheapest flight ticket from Boise 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 Boise Air Term. Gowen Fld to Watertown?

American Airlines is the most popular carrier operating from Boise Air Term. Gowen Fld to Watertown

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 Boise according to our data. United Airlines is the first choice among our users, with 41% 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.

When to book flights from Boise to Watertown, New York

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to Watertown, New York according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Boise to Watertown, New York (BOI to ART) flight deals and tips

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

Fastest flight time

17h 59m

Direct flights

None
The fastest flight from Boise to Watertown, New York takes 17h 59m
There are no direct flights from Boise to Watertown, New York. There are no popular flight routes from Boise to Watertown, New York.
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  • How far is Boise Air Term. Gowen Fld to Watertown by plane?

    The straight-line distance from Boise Air Term. Gowen Fld to Watertown is 1988.0 mi. Typically, this will take 17h 59m by plane in normal conditions.

  • When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Watertown Airport?

    Prices for flights from Boise Air Term. Gowen Fld Airport to Watertown Airport were last updated today.

  • How old do you have to be to fly from Boise Air Term. Gowen Fld 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 Boise Air Term. Gowen Fld Airport 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 Boise to Watertown?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boise to Watertown for you.

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

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

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

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

If you are simply researching potential flights to Watertown, momondo offers a useful price alert feature which will track prices for flights to Watertown from Boise and alert you when they change.

An easier way to manage your Watertown, New York trip

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Fri 3/13
Fri 3/20
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