Cheap Flights from Port Columbus (CMH) to Denver (DENA)

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Flight deals from Port Columbus Airport to Denver

Looking for a cheap last-minute deal or the best return flight from Port Columbus Airport to Denver? If you want to travel next month, return fares start from £88. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Port Columbus to Denver

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

Direct flights from Port Columbus to Denver

Columbus to Denver: Flight information

The things to know before you go.
Cheapest flight found£37
Cheapest month to flyApril
Average flight time3 hrs, 14 mins
Most popular airlineSouthwest Airlines
Average flights per week45

Finding cheap flights from Port Columbus 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 Port Columbus to Denver is £88. 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.
3 hours and 14 minutes is the average flight time from Port Columbus to Denver.
Southwest Airlines, United and Frontier Airlines fly direct from Port Columbus to Denver.
As of March 2026, there are 45 flights per week flying from Port Columbus to Denver.
The cheapest month to fly from Port Columbus to Denver is usually April.
If you're flying from Port Columbus Airport, the cheapest airport near Denver is Denver International – which is 18.6 miles away from the centre of Denver. We've found flights into this airport from £88.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Port Columbus Airport to Denver on Friday, 24 April 2026.
Yes – the average flight time is 3 hours and 14 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 March, the average temperature is usually around 4°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, Frontier Airlines offers the cheapest flight tickets to Denver.

Travelling from John Glenn Columbus International Airport (CMH) to Denver: what you need to know

  • The average duration of a direct flight from John Glenn Columbus International Airport to Denver is 2 hours 45 minutes.

  • Denver is two hours behind Columbus, where John Glenn Columbus International Airport is located. Denver follows the UTC-6 timezone.

  • With 26 weekly flights between the two airports, John Glenn Columbus International Airport (CMH) to Denver International Airport (DEN) is the most popular route. Southwest Airlines operates the earliest flight at 05:25. If you prefer to get more out of your day before flying, the last departure from CMH to DEN is with Southwest Airlines at 21:20.

  • Give yourself enough time to catch your CMH to Denver flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Longer lines at check-in and security are likely if you're travelling during high season, so allow a bit more breathing room. A good rule of thumb for peak periods? Arrive up to four hours early for international flights and at least two hours for domestic departures.

  • Start your trip at CMH and fly straight to Denver International Airport (DEN). That's where you can expect to land when searching for John Glenn Columbus International Airport to Denver tickets.

  • Well-known airlines that offer direct flights from John Glenn Columbus International Airport to Denver include:

  • Located around 6 miles from the centre of Columbus, CMH can be reached in about 10 minutes by car. The journey on public transport takes roughly 1 hour 5 minutes.

  • Want a stress-free start to your trip? Stay near CMH. Whether you're boarding an early flight from John Glenn Columbus International Airport to Denver or just don't want to be rushed, these hotels put convenience first:

  • 79.5% of flights that depart John Glenn Columbus International Airport arrive at their destination on time.

  • You'll find CMH at 4600 International Gateway.

How to find the cheapest flights from John Glenn Columbus International Airport (CMH) to Denver

  • £37 is the lowest price we've found for a one-way John Glenn Columbus International Airport to Denver flight. A round-trip ticket right now is £88. Depending on the availability and when you book, these fares could change.

  • Book one month before you travel. Pricing trends show that this is the ideal window for finding cheap flights from CMH to Denver.

  • May is the best month for scoring an incredible deal on John Glenn Columbus International Airport to Denver tickets. If you'd like to travel at a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Locking in a cheap flight from CMH to Denver couldn't be easier with Price Alerts. All you need to do is create one of these automatic notifications and we'll get in touch as soon as a deal gets even better.

  • Find a cheap flight from John Glenn Columbus International Airport to Denver with the help of our filters. Select your preferred times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Denver

Denver International Airport (DEN)

  • The distance from Denver International Airport (DEN) to central Denver is roughly 25 miles. It'll take you about 35 minutes to reach the centre driving.

  • If you're taking public transport, expect a journey time of about 1 hour 30 minutes.

  • Consider checking in to Baymont by Wyndham Denver International Airport after your flight from John Glenn Columbus International Airport to Denver. It's a quick drive from DEN and a great option if you want to get some rest right away.

  • Travel at your own pace with a Denver International Airport rental car. Pick up your wheels from Routes Car Rentals, Dollar or Budget and discover more of Denver and beyond.

  • To secure the lowest price, reserve your ride from Denver International Airport around one week in advance of your flight from CMH to Denver.

  • You'll find DEN at 8500 Pena Boulevard.

Best time to go to Denver

  • Visit Denver in high season if you want a lively atmosphere, but remember that hotel prices are usually higher. Alternatively, book flights from John Glenn Columbus International Airport to Denver during the off-season when prices are cheaper and it's quieter.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your John Glenn Columbus International Airport to Denver plane ticket then if that's your definition of good weather.

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

More about Denver

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Denver right here. Check out these options once you've booked your flight from John Glenn Columbus International Airport to Denver:

  • There are so many things to discover in this city it can be difficult to know where to start. Union Station, Denver Art Museum and Denver Botanic Gardens are major attractions which should be on every Denver itinerary.

Explore more of United States

  • You've done Denver, now it's time to explore more of United States. Journey around 65 miles south to Colorado Springs to tick off its popular sights. From US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters to Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA), there's plenty to keep you busy.

  • Around 100 miles south of Denver, Pueblo is another essential stop in United States. Experience major highlights starting with Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo.

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