Which airlines fly to Watertown?

When flying to Watertown from United States, momondo travelers will most often fly with one of these popular airlines: United Airlines, American Airlines, Delta or Allegiant Air. Depending on what airport in United States you fly from, you may be able to find flights with any of these popular airlines.

How long does it take to fly to Watertown?

Average flight duration from United States to Watertown depends on which airport you fly into and out of. Flying from Los Angeles to Sioux Falls Joe Foss Field is 5h 35m on average, while flying from Miami to Sioux Falls Joe Foss Field is 6h 47m on average. Sioux Falls Joe Foss Field is the most popular airport in Watertown.

$103 Cheap Flights to Watertown in 2026/27

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Find the cheapest flights from the United States to Watertown

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 pm - 7:39 pmMSP Minneapolis St Paul-ATY Watertown

1h 24mnonstop

6:54 am - 8:07 amATY Watertown-MSP Minneapolis St Paul

1h 13mnonstop

$210Delta

Sat, Dec 19 - Sun, Dec 27

6:15 pm - 7:39 pmMSP Minneapolis St Paul-ATY Watertown

1h 24mnonstop

6:54 am - 8:07 amATY Watertown-MSP Minneapolis St Paul

1h 13mnonstop

$210Delta

Thu, Dec 3 - Sun, Dec 6

6:15 pm - 7:33 pmMSP Minneapolis St Paul-ATY Watertown

1h 18mnonstop

6:48 am - 8:02 amATY Watertown-MSP Minneapolis St Paul

1h 14mnonstop

$210Delta

Wed, Nov 25 - Sun, Nov 29

6:15 pm - 7:33 pmMSP Minneapolis St Paul-ATY Watertown

1h 18mnonstop

6:48 am - 8:02 amATY Watertown-MSP Minneapolis St Paul

1h 14mnonstop

$210Delta

Mon, Nov 23 - Fri, Nov 27

6:15 pm - 7:33 pmMSP Minneapolis St Paul-ATY Watertown

1h 18mnonstop

6:48 am - 8:02 amATY Watertown-MSP Minneapolis St Paul

1h 14mnonstop

$210Delta

Sat, Nov 21 - Wed, Nov 25

6:15 pm - 7:30 pmMSP Minneapolis St Paul-ATY Watertown

1h 15mnonstop

6:45 am - 8:00 amATY Watertown-MSP Minneapolis St Paul

1h 15mnonstop

$210Delta

Sat, Apr 10 - Mon, Apr 12

7:45 am - 10:35 amDEN Denver Intl-ATY Watertown

1h 50mnonstop

6:25 pm - 7:40 pmATY Watertown-DEN Denver Intl

2h 15mnonstop

$240United Airlines

Tue, Nov 24 - Sat, Nov 28

2:10 pm - 5:00 pmDEN Denver Intl-ATY Watertown

1h 50mnonstop

5:35 pm - 6:50 pmATY Watertown-DEN Denver Intl

2h 15mnonstop

$240United Airlines

Thu, Dec 3 - Sun, Dec 6

2:10 pm - 5:00 pmDEN Denver Intl-ATY Watertown

1h 50mnonstop

5:35 pm - 6:50 pmATY Watertown-DEN Denver Intl

2h 15mnonstop

$240United Airlines

Wed, Dec 2 - Sun, Dec 6

2:08 pm - 5:00 pmDEN Denver Intl-ATY Watertown

1h 52mnonstop

5:35 pm - 6:50 pmATY Watertown-DEN Denver Intl

2h 15mnonstop

$240United Airlines

Fri, Dec 18 - Mon, Dec 21

Fly from

Route

Depart

Return

Price

Cheapest round-trip

MinneapolisWatertown

MSP Minneapolis St Paul - ATY Watertown

MSPATY

Minneapolis St Paul

Sat 12/19

6:15 pm-7:39 pm

Nonstop1h 24m

Watertown

Sun 12/27

6:54 am-8:07 am

Nonstop1h 13m

$210

MinneapolisWatertown

MSP Minneapolis St Paul - ATY Watertown

MSPATY

Minneapolis St Paul

Thu 12/3

6:15 pm-7:39 pm

Nonstop1h 24m

Watertown

Sun 12/6

6:54 am-8:07 am

Nonstop1h 13m

$210

MinneapolisWatertown

MSP Minneapolis St Paul - ATY Watertown

MSPATY

Minneapolis St Paul

Wed 11/25

6:15 pm-7:33 pm

Nonstop1h 18m

Watertown

Sun 11/29

6:48 am-8:02 am

Nonstop1h 14m

$210

MinneapolisWatertown

MSP Minneapolis St Paul - ATY Watertown

MSPATY

Minneapolis St Paul

Mon 11/23

6:15 pm-7:33 pm

Nonstop1h 18m

Watertown

Fri 11/27

6:48 am-8:02 am

Nonstop1h 14m

$210

MinneapolisWatertown

MSP Minneapolis St Paul - ATY Watertown

MSPATY

Minneapolis St Paul

Sat 11/21

6:15 pm-7:33 pm

Nonstop1h 18m

Watertown

Wed 11/25

6:48 am-8:02 am

Nonstop1h 14m

$210

Quickest round-trip

MinneapolisWatertown

MSP Minneapolis St Paul - ATY Watertown

MSPATY

Minneapolis St Paul

Sat 4/10

6:15 pm-7:30 pm

Nonstop1h 15m

Watertown

Mon 4/12

6:45 am-8:00 am

Nonstop1h 15m

$210

DenverWatertown

DEN Denver Intl - ATY Watertown

DENATY

Denver Intl

Tue 11/24

7:45 am-10:35 am

Nonstop1h 50m

Watertown

Sat 11/28

6:25 pm-7:40 pm

Nonstop2h 15m

$240

DenverWatertown

DEN Denver Intl - ATY Watertown

DENATY

Denver Intl

Thu 12/3

2:10 pm-5:00 pm

Nonstop1h 50m

Watertown

Sun 12/6

5:35 pm-6:50 pm

Nonstop2h 15m

$240

DenverWatertown

DEN Denver Intl - ATY Watertown

DENATY

Denver Intl

Wed 12/2

2:10 pm-5:00 pm

Nonstop1h 50m

Watertown

Sun 12/6

5:35 pm-6:50 pm

Nonstop2h 15m

$240

DenverWatertown

DEN Denver Intl - ATY Watertown

DENATY

Denver Intl

Fri 12/18

2:08 pm-5:00 pm

Nonstop1h 52m

Watertown

Mon 12/21

5:35 pm-6:50 pm

Nonstop2h 15m

$240

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

Watertown flights insights and trends

Explore insights for your Watertown flight to craft the best travel plan

Prices

Other information

What is the cheapest month to fly to Watertown?

What is the absolute cheapest flight to Watertown?

Users booking trips to Watertown from Phoenix found flights 28% cheaper than the average price of flights to Watertown. To find the cheapest price to Watertown from your area, use momondo’s Airport-to-Airport Pricing Tool.

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Cheapest flights to Watertown

Find the cheapest flights to Watertown from your nearest city or airport

Find flights from Los Angeles to Sioux Falls

Cheap Watertown flight deals and tips

Summary info about Watertown flight prices, duration and airlines

Best One-Way Price	$103
Best Round-Trip Price	$210
Fastest flight time	1h 24m

The best one-way flight price to Watertown from United States in the last 5 days is $103 (Minneapolis St Paul to Watertown).

Search Deals

The best round-trip flight price to Watertown from United States in the last 5 days is $210 (Minneapolis St Paul to Watertown).

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The fastest flight to Watertown from United States takes 1h 24m (Minneapolis St Paul to Watertown).

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Frequently asked questions about flying to Watertown

Is there an alternative airport near Watertown?

Those flying to Watertown could potentially find better pricing at Watertown Airport (2 mi from Watertown city center), Huron Howes Airport (65 mi from Watertown city center) or Aberdeen Airport (74 mi from Watertown city center) depending on the month and departure airport.

Is there a cheaper alternative to flying into Watertown?

The cheapest airport near Watertown is typically Watertown Airport with an average price of $270/person. These prices vary based on where travelers are coming from. It is suggested that travelers looking to save money try momondo’s Airport-to-Airport Pricing Tool.

When did momondo last update prices for flights to Watertown Airport?

Prices for flights to Watertown Airport were last updated today.

How many operators does momondo search for flights to Watertown Airport?

As of November 2026, there is 1 operator available to choose from for flights to Watertown Airport.

How old do you have to be to fly 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 to Watertown Airport.

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

The necessary travel and health documents for your Watertown Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

Why should I use momondo to find a flight deal to Watertown?

It is quick and easy to find flights to Watertown on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Watertown that suits you.

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

Yes. momondo allows you to filter the results for flights to Watertown to just show those with flexible booking policies.

How can momondo help me find flights to Watertown?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Watertown.

I’m not ready to book a flight 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 and alert you when they change.