$118+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — ATY
Nov 25 — Dec 21
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Denver to Watertown
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Cheapest flights from Denver to WatertownExplore 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 October 26, 2026.
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 October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/42:10 pm -
Nonstop1h 50m
Sat 11/76:25 pm -
Nonstop2h 15m
Deal found 10/21![United Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 10/21. 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 11/41:25 pm -
1 stop5h 03m
Sat 11/76:45 am -
1 stop6h 19m
Deal found 10/21![Delta logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/21. 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 12/122:10 pm -
Nonstop1h 50m
Tue 12/156:15 pm -
Nonstop2h 15m
Deal found 10/21![United Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 10/23. 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 12/101:26 pm -
1 stop5h 13m
Sat 12/126:54 am -
1 stop4h 18m
Deal found 10/23![Delta logo]()
$280
This Delta deal was found by Cheapflights users on 10/23. 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.
Sat 11/71:25 pm -
1 stop5h 03m
Wed 11/116:48 am -
1 stop6h 32m
Deal found 10/23![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/102:10 pm -
Nonstop1h 50m
Sat 12/126:15 pm -
Nonstop2h 15m
Deal found 10/23![United Airlines logo]()
$365
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/212:10 pm -
Nonstop1h 50m
Sat 11/2811:10 am -
Nonstop2h 15m
Deal found 10/24![United Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/231:27 pm -
1 stop5h 06m
Mon 11/306:48 am -
1 stop4h 10m
Deal found 10/25![Delta logo]()
$582
This Delta deal was found by Cheapflights users on 10/24. 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 11/212:13 pm -
1 stop4h 20m
Sat 11/286:48 am -
1 stop6h 32m
Deal found 10/24![Delta logo]()
$1,510
Best flights from Denver to WatertownDiscover carefully curated flight deals from Denver to Watertown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
Discover carefully curated flight deals from Denver to Watertown that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/24. 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.
Thu 11/127:45 am -
Nonstop1h 50m
Thu 11/1911:10 am -
Nonstop2h 15m
Deal found 10/24![United Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 10/21. 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 11/41:25 pm -
1 stop5h 03m
Sat 11/76:45 am -
1 stop6h 19m
Deal found 10/21![Delta logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/25. 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 11/237:45 am -
Nonstop1h 50m
Mon 11/306:25 pm -
Nonstop2h 15m
Deal found 10/25![United Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 10/24. 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.
Thu 11/121:27 pm -
1 stop5h 06m
Thu 11/196:48 am -
1 stop4h 10m
Deal found 10/24![Delta logo]()
$260
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/42:10 pm -
Nonstop1h 50m
Sat 11/76:25 pm -
Nonstop2h 15m
Deal found 10/21![United Airlines logo]()
$240
This United Airlines deal was found by Cheapflights users on 10/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/72:10 pm -
Nonstop1h 50m
Wed 11/116:25 pm -
Nonstop2h 15m
Deal found 10/23![United Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 10/23. 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 12/101:26 pm -
1 stop5h 13m
Sat 12/126:54 am -
1 stop4h 18m
Deal found 10/23![Delta logo]()
$280
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/122:10 pm -
Nonstop1h 50m
Tue 12/156:15 pm -
Nonstop2h 15m
Deal found 10/25![United Airlines logo]()
$270
Last-minute flights from Denver to WatertownDiscover last-minute flight deals from Denver to Watertown. Data last updated October 26, 2026 and is based on user searches.
Discover last-minute flight deals from Denver to Watertown. Data last updated October 26, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 11/42:10 pm -
Nonstop1h 50m
Sat 11/76:25 pm -
Nonstop2h 15m
Deal found 10/21![United Airlines logo]()
$240
This Delta deal was found by Cheapflights users on 10/21. 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 11/41:25 pm -
1 stop5h 03m
Sat 11/76:45 am -
1 stop6h 19m
Deal found 10/21![Delta logo]()
$260
This Delta deal was found by Cheapflights users on 10/23. 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.
Sat 11/71:25 pm -
1 stop5h 03m
Wed 11/116:48 am -
1 stop6h 32m
Deal found 10/23![Delta logo]()
$322
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/97:45 am -
Nonstop1h 50m
Fri 11/136:25 pm -
Nonstop2h 15m
Deal found 10/26![United Airlines logo]()
$270
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 11/91:27 pm -
1 stop5h 06m
Fri 11/136:48 am -
1 stop6h 32m
Deal found 10/26![Delta logo]()
$482
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 11/91:27 pm -
1 stop5h 06m
Tue 11/106:48 am -
1 stop4h 10m
Deal found 10/26![Delta logo]()
$635
This United Airlines deal was found by Cheapflights users on 10/24. 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 11/212:10 pm -
Nonstop1h 50m
Sat 11/2811:10 am -
Nonstop2h 15m
Deal found 10/24![United Airlines logo]()
$440
This Delta deal was found by Cheapflights users on 10/24. 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 11/212:13 pm -
1 stop4h 20m
Sat 11/286:48 am -
1 stop6h 32m
Deal found 10/24![Delta logo]()
$1,510
This Delta deal was found by Cheapflights users on 10/25. 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.
Mon 11/231:27 pm -
1 stop5h 06m
Mon 11/306:48 am -
1 stop4h 10m
Deal found 10/25![Delta logo]()
$582
One-way flights from Denver to WatertownSearch for one-way flight options from Denver to Watertown. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
Search for one-way flight options from Denver to Watertown. Find affordable one-way fares based on user searches. Data last updated October 26, 2026.
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/97:45 am -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$118
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 11/91:27 pm -
1 stop5h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$128
This Delta deal was found by Cheapflights users on 10/23. 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.
Fri 11/131:27 pm -
1 stop5h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/23![Delta logo]()
$138
This United Airlines deal was found by Cheapflights users on 10/26. 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.
Mon 11/27:45 am -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![United Airlines logo]()
$343
This Delta deal was found by Cheapflights users on 10/26. 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.
Mon 11/21:25 pm -
1 stop5h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Delta logo]()
$353
This Delta deal was found by Cheapflights users on 10/22. 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.
Sun 1/102:20 pm -
1 stop4h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/22![Delta logo]()
$1,186
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 October 26, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $240 (United Airlines) |
One-way from | $118 (United Airlines) |
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 7,457,451 searches. Data last updated October 26, 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
Cheapest round-trip
Quickest round-trip
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Mon 11/9
7:45 am-10:35 am
Nonstop1h 50m
Watertown
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Sun 1/10
2:10 pm-5:02 pm
Nonstop1h 52m
Watertown
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Fri 11/13
1:27 pm-7:33 pm
1 stop5h 06m
Watertown
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$138
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Thu 11/12
7:45 am-10:35 am
Nonstop1h 50m
Watertown
Thu 11/19
11:10 am-12:25 pm
Nonstop2h 15m
$240
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Mon 11/23
7:45 am-10:35 am
Nonstop1h 50m
Watertown
Mon 11/30
6:25 pm-7:40 pm
Nonstop2h 15m
$240
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Wed 11/4
2:10 pm-5:00 pm
Nonstop1h 50m
Watertown
Sat 11/7
6:25 pm-7:40 pm
Nonstop2h 15m
$240
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Sat 11/7
2:10 pm-5:00 pm
Nonstop1h 50m
Watertown
Wed 11/11
6:25 pm-7:40 pm
Nonstop2h 15m
$240
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Wed 11/4
1:25 pm-7:28 pm
1 stop5h 03m
Watertown
Sat 11/7
6:45 am-12:04 pm
1 stop6h 19m
$260
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Thu 11/12
1:27 pm-7:33 pm
1 stop5h 06m
Watertown
Thu 11/19
6:48 am-9:58 am
1 stop4h 10m
$260
DenverWatertown
DEN Denver Intl - ATY Watertown
DENATY
Denver Intl
Sat 12/12
2:10 pm-5:00 pm
Nonstop1h 50m
Watertown
Tue 12/15
6:15 pm-7:30 pm
Nonstop2h 15m
$270
Showing 1-10 of 14 resultsSorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- 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.
DEN-ATY
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
Prices
Airlines
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 October 26, 2026.
Get a feel of what it's like to fly with 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.
Comfort
7.3
Food
6.7
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
Comfort
7.3
Food
6.7
Boarding
7.7
Entertainment
7.1
Crew
8.1
Overall
7.3
Reviews
1 / 20
10.0
ExcellentMichelle,Dec 2025
DEN - MKE
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.
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Book flights to Watertown if you plan to visit one of these locationsBrookings
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Denver and Watertown flights
Browse other Denver and Watertown flight options. Last updated on October 26, 2026.
Other flights from Denver
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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 7,457,451 searches. Data last updated October 26, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$240 | FlexibilityNo cancel fee | On-time69% |