201 € Cheap Flights from Watertown to Denver

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Flight deals from Watertown to Denver

Looking for a cheap last-minute deal or the best return flight from Watertown to Denver? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Watertown to Denver

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Watertown to Denver flights are currently cheapest in August.

Direct flights from Watertown to Denver

Watertown to Denver: Flight information

The things to know before you go.
Cheapest flight found201 €
Cheapest month to flyFebruary
Average flight time1 hr, 59 mins
Most popular airlineUnited
Average flights per week22

Finding cheap flights from Watertown to Denver: Frequently asked questions

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.
The best price we found for a return flight from Watertown to Denver is 201 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 59 minutes is the average flight time from Watertown to Denver.
United and SkyWest Airlines fly direct from Watertown to Denver.
As of February 2026, there are 20 flights per week flying from Watertown to Denver.
The cheapest month to fly from Watertown to Denver is usually February.
If you're flying from Watertown Airport, the cheapest airport near Denver is Denver International – which is 29.9 km away from the centre of Denver. We've found flights into this airport from 201 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Watertown Airport to Denver on Wednesday, 25 February 2026.
Yes – the average flight time is 1 hour and 59 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.
In February, the average temperature is usually around 0°C. July is typically the warmest month in Denver, when it usually averages around 31°C. You can expect the least rain in January. The coldest month is December, with temperatures averaging -6°C. The rainiest month is July.
Currently, United offers the cheapest flight tickets to Denver.

Flying from Watertown Airport (ATY) to Denver: what you need to know

  • Take a direct flight from Watertown Airport to Denver and you'll be in the air for around 1 hour 40 minutes.

  • Watertown Airport is located in Watertown. Based in the UTC-6 timezone, Denver is one hour behind Watertown.

  • Watertown Airport (ATY) to Denver International Airport (DEN) is the most popular route, with six flights a week to choose from. You can travel from ATY to DEN at 16:00 with Denver Air Connection.

  • Leave enough time to catch your ATY to Denver flight. A good rule of thumb is to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • If you're flying during a major holiday or another peak period, give yourself extra time. A good general rule is two hours ahead of domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

  • Direct Watertown Airport to Denver tickets are available for booking. Denver International Airport (DEN) is where you'll be touching down.

  • Be on the lookout for deals with Denver Air Connection. This airline operates direct flights from Watertown Airport to Denver.

  • To get to ATY from central Watertown, it takes around 10 minutes if you're planning to drive. It's roughly 5 kilometres from the airport to the city centre.

  • Catching an early flight from Watertown Airport to Denver? Avoid rushing to the terminal (and sneak in some extra snooze time) by choosing one of these stays close to ATY:

How to find the cheapest flights from Watertown Airport (ATY) to Denver

  • The lowest price we've seen for a one-way Watertown Airport to Denver flight is 102 €. The cheapest price for a return flight is 201 €. Keep in mind fares can change due to availability at the time of booking.

  • To score cheap flights from ATY to Denver, reserve your journey one month ahead of your planned departure.

  • May is the best month for scoring an incredible deal on Watertown Airport to Denver tickets. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • There's no need to check in daily to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an even bigger deal on cheap flights from ATY to Denver.

  • Choose your preferred departure and arrival times, number of stops and airlines with our filters. Then, sort the results for your flight from Watertown Airport to Denver by 'Fastest,' 'Best' or 'Cheapest.'

Airports in Denver

Denver International Airport (DEN)

  • The distance from Denver International Airport (DEN) to central Denver is roughly 40 kilometres. It'll take you about 35 minutes to reach the centre driving.

  • When travelling on public transport, expect a journey time of around 1 hour 30 minutes.

  • Get off your flight from Watertown Airport to Denver and be snoozing in your hotel bed shortly after. If you want a comfortable option that's not too far from DEN, check out Baymont by Wyndham Denver International Airport.

  • Pick up a Denver International Airport rental car and discover Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are popular outlets to choose from here.

  • For the best deal, reserve your vehicle from Denver International Airport about one week in advance of your flight from ATY to Denver.

  • DEN is located at 8500 Pena Boulevard.

Best time to go to Denver

  • Carefully consider your trip dates before booking your flight from Watertown Airport to Denver. The city comes alive during peak season, but rates are often higher and major attractions can get crowded. Visit Denver in the low season for a more relaxed vibe.

  • Book a Watertown Airport to Denver plane ticket with a departure in July if you're eager to visit the city during its warmest month. You can expect temperatures to range from 14ºC (57ºF) to 32ºC (90ºF).

  • January has average temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Search for a cheap ticket from ATY to Denver around that time if you'd rather travel in cooler conditions.

More about Denver

Explore more of United States

  • Colorado Springs is just one of the many places in United States waiting to be discovered once you've seen the sights of Denver. Around 105 kilometres away to the south, its top attractions include US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters, Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA).

  • If you're interested in discovering another corner of United States, head for Pueblo, about 161 kilometres south of Denver. Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo are the start of reasons to visit.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.