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$240+ Cheap flights from Denver to Watertown (DEN - ATY)

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 11/21. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ATY
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheap 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 septiembre 11, 2025.

Round-trip from

$240
(United Airlines)

Popular in

September

Cheapest in

January

Average price

$329
From Denver Intl to Watertown
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Highest demand for flights based on searches. 12% potential increase in price ($34 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 septiembre 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/9. 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.
mié. 9/242:30 pmDEN - ATY
Nonstop1h 44mUnited Airlines
lun. 9/296:25 pmATY - DEN
Nonstop1h 58mUnited Airlines
Deal found 9/9$240
This United Airlines deal was found by Cheapflights users on 9/9. 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.
jue. 9/252:10 pmDEN - ATY
Nonstop1h 44mUnited Airlines
mar. 9/306:25 pmATY - DEN
Nonstop1h 58mUnited Airlines
Deal found 9/9$270
This Delta deal was found by Cheapflights users on 9/9. 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.
vie. 11/214:18 pmDEN - ATY
1 stop5h 12mDelta
dom. 11/235:10 amATY - DEN
1 stop5h 53mDelta
Deal found 9/9$292
This United Airlines deal was found by Cheapflights users on 9/10. 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.
vie. 9/192:30 pmDEN - ATY
Nonstop1h 44mUnited Airlines
dom. 9/216:44 pmATY - DEN
Nonstop1h 58mUnited Airlines
Deal found 9/10$440
This Delta deal was found by Cheapflights users on 9/9. 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.
vie. 10/174:16 pmDEN - ATY
1 stop5h 04mDelta
dom. 10/195:20 amATY - DEN
1 stop5h 40mDelta
Deal found 9/9$474
This United Airlines deal was found by Cheapflights users on 9/10. 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.
jue. 10/92:10 pmDEN - ATY
Nonstop1h 44mUnited Airlines
sáb. 10/116:25 pmATY - DEN
Nonstop1h 58mUnited Airlines
Deal found 9/10$490
This Delta deal was found by Cheapflights users on 9/9. 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.
jue. 9/251:50 pmDEN - ATY
1 stop6h 24mDelta
mar. 9/305:10 amATY - DEN
1 stop5h 45mDelta
Deal found 9/9$577
This Delta deal was found by Cheapflights users on 9/10. 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.
vie. 9/261:50 pmDEN - ATY
1 stop6h 24mDelta
mar. 9/305:10 amATY - DEN
1 stop5h 45mDelta
Deal found 9/10$607
This Delta deal was found by Cheapflights users on 9/10. 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.
jue. 10/94:16 pmDEN - ATY
1 stop5h 04mDelta
sáb. 10/115:20 amATY - DEN
1 stop5h 40mDelta
Deal found 9/10$647
This Delta deal was found by Cheapflights users on 9/10. 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.
mar. 12/234:15 pmDEN - ATY
1 stop5h 21mDelta
dom. 12/285:15 amATY - DEN
1 stop5h 57mDelta
Deal found 9/10$657

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 septiembre 11, 2025.
Use the filters below to find and compare flights from Denver to Watertown that are best for you.

Fly from

Denver

Fly to

Watertown

Route

Depart

Return

Price

DenverWatertown

DEN - ATY

DENATY

Denver Intl

vie. 11/21

2:05 pm-5:01 pm

Nonstop1h 56m

Watertown

dom. 11/23

6:35 pm-7:38 pm

Nonstop2h 03m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

vie. 10/17

2:10 pm-4:54 pm

Nonstop1h 44m

Watertown

dom. 10/19

6:25 pm-7:23 pm

Nonstop1h 58m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

vie. 9/26

2:10 pm-4:54 pm

Nonstop1h 44m

Watertown

mar. 9/30

6:25 pm-7:23 pm

Nonstop1h 58m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

mié. 9/24

2:30 pm-5:14 pm

Nonstop1h 44m

Watertown

lun. 9/29

6:25 pm-7:23 pm

Nonstop1h 58m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

mié. 9/24

2:30 pm-5:14 pm

Nonstop1h 44m

Watertown

dom. 9/28

6:25 pm-7:23 pm

Nonstop1h 58m

$240

DenverWatertown

DEN - ATY

DENATY

Denver Intl

jue. 9/25

2:10 pm-4:54 pm

Nonstop1h 44m

Watertown

mar. 9/30

6:25 pm-7:23 pm

Nonstop1h 58m

$270

DenverWatertown

DEN - ATY

DENATY

Denver Intl

jue. 9/25

2:10 pm-4:54 pm

Nonstop1h 44m

Watertown

lun. 9/29

6:25 pm-7:23 pm

Nonstop1h 58m

$270

DenverWatertown

DEN - ATY

DENATY

Denver Intl

vie. 11/21

4:18 pm-10:30 pm

1 stop5h 12m

Watertown

dom. 11/23

5:10 am-10:03 am

1 stop5h 53m

$292

DenverWatertown

DEN - ATY

DENATY

Denver Intl

vie. 10/17

4:16 pm-10:20 pm

1 stop5h 04m

Watertown

dom. 10/19

5:20 am-10:00 am

1 stop5h 40m

$474

DenverWatertown

DEN - ATY

DENATY

Denver Intl

jue. 10/9

2:10 pm-4:54 pm

Nonstop1h 44m

Watertown

sáb. 10/11

6:25 pm-7:23 pm

Nonstop1h 58m

$490

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 17 results
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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 septiembre 11, 2025.

It’s typically best to fly out from Denver to Watertown in the afternoon. Doing so could potentially save you 19% on the flight price compared to flying at noon, which is usually more expensive.

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.

  • What airports do I use to fly from Denver to Watertown?

    If you book a flight from Denver to Watertown, you will be flying from Denver Intl to Watertown. Flights to Watertown (ATY) from Denver Intl (DEN) take 1h 44m for a nonstop flight. There is 1 flight from Denver Intl to Watertown per day from 1 airline.

  • How long is the flight from Denver to Watertown?

    Departing from Denver to Watertown will take you 1h 56m. The distance from Denver to Watertown is about 518 mi. Most flights are nonstop.

  • What is the cheapest airline to fly from Denver to Watertown round-trip?

    Currently priced at $154, 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. Denver Air Connection is currently priced 34% 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

Traveling to a place near Watertown?

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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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Denver to Aberdeen flights

Top airline flying from Denver to Watertown

Discover the top airline 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Denver Air ConnectionCheapest$154Average$221FlexibilityNo cancel feeOn-timeN/A

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