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Watertown

$128+ Cheap flights from Denver to Watertown (DEN - ATY)

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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ATY
May 28 — Jun 41
Thu 5/28
Thu 6/4
1 adult, Economy
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Cheap flight deals from Denver to Watertown

Cheapest flights from Denver to Watertown
Explore the most affordable flight options available from Denver to Watertown. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2026.

This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:10 pm
DEN
-
ATY
Nonstop1h 52m
United Airlines
Wed 5/136:21 pm
ATY
-
DEN
Nonstop1h 59m
United Airlines
Deal found 4/24$240
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:20 pm
DEN
-
ATY
1 stop5h 08m
Delta
Tue 5/126:45 am
ATY
-
DEN
1 stop6h 27m
Delta
Deal found 4/24$260
This United Airlines deal was found by Cheapflights users on 4/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:30 pm
DEN
-
ATY
Nonstop1h 44m
United Airlines
Sat 11/76:40 pm
ATY
-
DEN
Nonstop1h 58m
United Airlines
Deal found 4/26$270
This Delta deal was found by Cheapflights users on 4/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:20 pm
DEN
-
ATY
1 stop5h 08m
Delta
Sun 6/76:45 am
ATY
-
DEN
1 stop4h 15m
Delta
Deal found 4/26$322
This United Airlines deal was found by Cheapflights users on 4/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/222:10 pm
DEN
-
ATY
Nonstop1h 48m
United Airlines
Sun 5/246:27 pm
ATY
-
DEN
Nonstop2h 12m
United Airlines
Deal found 4/24$340
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/91:20 pm
DEN
-
ATY
1 stop5h 08m
Delta
Wed 5/136:45 am
ATY
-
DEN
1 stop6h 27m
Delta
Deal found 4/24$352
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:10 pm
DEN
-
ATY
Nonstop1h 48m
United Airlines
Thu 7/236:27 pm
ATY
-
DEN
Nonstop2h 12m
United Airlines
Deal found 4/27$365
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/271:20 pm
DEN
-
ATY
1 stop5h 08m
Delta
Sun 5/316:45 am
ATY
-
DEN
1 stop6h 27m
Delta
Deal found 4/24$380
This Delta deal was found by Cheapflights users on 4/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/51:20 pm
DEN
-
ATY
1 stop5h 08m
Delta
Mon 6/86:45 am
ATY
-
DEN
1 stop6h 25m
Delta
Deal found 4/24$414
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/22:10 pm
DEN
-
ATY
Nonstop1h 48m
United Airlines
Mon 7/66:27 pm
ATY
-
DEN
Nonstop2h 12m
United Airlines
Deal found 4/27$440
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/212:12 pm
DEN
-
ATY
1 stop6h 18m
Delta
Mon 7/66:45 am
ATY
-
DEN
1 stop4h 20m
Delta
Deal found 4/23$464

Find flight deals from Denver to Watertown

Discover tips and strategies to find the most affordable flight options for your journey from Denver (DEN) to Watertown (ATY). 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 April 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$240
(United Airlines)

One-way from

$128
(Delta)

Popular in

September

Cheapest in

June

Average price

$308
Provider with most accurate pricing for Denver Intl-Watertown flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Watertown flights.
Search Deals
From Denver Intl to Watertown
Search Deals
One-way flight from Denver Intl to Watertown
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($126 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 18% potential price decrease ($48 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Denver 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 April 28, 2026.
Use the filters below to find and compare flights from Denver to Watertown that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Fri 6/5

2:10 pm-4:58 pm

Nonstop1h 48m

Watertown

Mon 6/8

6:27 pm-7:39 pm

Nonstop2h 12m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Fri 6/5

2:10 pm-4:58 pm

Nonstop1h 48m

Watertown

Sun 6/7

6:27 pm-7:39 pm

Nonstop2h 12m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Wed 5/27

2:10 pm-4:58 pm

Nonstop1h 48m

Watertown

Sun 5/31

6:27 pm-7:39 pm

Nonstop2h 12m

$240
Quickest round-trip

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Mon 5/11

2:10 pm-5:02 pm

Nonstop1h 52m

Watertown

Fri 5/15

6:21 pm-7:20 pm

Nonstop1h 59m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Wed 5/20

2:10 pm-5:02 pm

Nonstop1h 52m

Watertown

Sun 5/24

6:27 pm-7:39 pm

Nonstop2h 12m

$270

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Fri 6/5

1:20 pm-7:28 pm

1 stop5h 08m

Watertown

Sun 6/7

6:45 am-10:00 am

1 stop4h 15m

$322

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Fri 5/22

2:10 pm-4:58 pm

Nonstop1h 48m

Watertown

Sun 5/24

6:27 pm-7:39 pm

Nonstop2h 12m

$340

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Mon 6/15

2:10 pm-4:58 pm

Nonstop1h 48m

Watertown

Sun 6/21

6:27 pm-7:39 pm

Nonstop2h 12m

$340

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Wed 5/27

1:20 pm-7:28 pm

1 stop5h 08m

Watertown

Sun 5/31

6:45 am-12:12 pm

1 stop6h 27m

$380

DenverWatertown

DEN - ATY

DENATY

Denver Intl

Fri 6/5

1:20 pm-7:28 pm

1 stop5h 08m

Watertown

Mon 6/8

6:45 am-12:10 pm

1 stop6h 25m

$414

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/25

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Compare providers for flights from Denver to Watertown

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Denver to Watertown in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Denver-Watertown flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Denver-Watertown flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Denver-Watertown flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Denver-Watertown flights, Cheapflights users trust FlightHub the most. FlightHub 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 Denver-Watertown 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 Denver to Watertown

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

What is the cheapest time of day to fly from DEN to ATY?

Find hourly flight availability from Denver to Watertown. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 28, 2026.

When flying from Denver to Watertown, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from Denver to Watertown?

Reviews of airlines servicing Watertown

Get insights into the airlines that provide service to Watertown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Watertown. Reviews last updated April 28, 2026.
Get a feel of what it's like to fly with Denver Air Connection and United Airlines from Denver to Watertown by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Denver Air Connection
8.1
Very good

Entertainment

7.6

Comfort

8.6

Boarding

8.2

Crew

9.1

Overall

8.1

Food

8.2
Denver Air Connection
8.1
Very good
Denver Air Connection
8.1
Very good

Entertainment

7.6

Comfort

8.6

Boarding

8.2

Crew

9.1

Overall

8.1

Food

8.2
United Airlines
7.4
Good
9,680 reviews
Denver Air Connection
8.1
Very good

Entertainment

7.6

Comfort

8.6

Boarding

8.2

Crew

9.1

Overall

8.1

Food

8.2

Related info for your journey

Find useful and relevant information for your journey from Denver 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 Denver to Watertown?

    Departing from Denver to Watertown will take you 1h 48m. The distance from Denver to Watertown is about 518 mi. Most flights are nonstop.

  • What are the cheapest airlines flying from Denver to Watertown round-trip?

    Currently priced at $117, Denver Air Connection will fly you from Denver to Watertown and back. In addition to Denver Air Connection, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $240. Denver Air Connection is currently priced 62% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Denver 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.

See more FAQs

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Alternative routes for Denver to Watertown

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Denver to Watertown

Discover the top 2 airlines that operate flights from Denver to Watertown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
Denver Air ConnectionCheapest$117Average$245FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$240Average$270FlexibilityNo cancel feeOn-time69%

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