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Cheap Flights from Port Columbus (CMH) to Denver International (DEN)

Compare Port Columbus to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

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Flight deals from Port Columbus to Denver International

Looking for a cheap last-minute deal or the best return flight from Port Columbus to Denver International? Find the lowest prices on one-way and return tickets right here.
Denver.£115 per passenger.Departing Wed, 18 Feb, returning Sat, 21 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Port Columbus on Wed, 18 Feb, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Sat, 21 Feb, arriving in Port Columbus.Price includes taxes and charges.From £115, select.
Denver.£115 per passenger.Departing Sat, 24 Jan, returning Wed, 28 Jan.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Port Columbus on Sat, 24 Jan, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Wed, 28 Jan, arriving in Port Columbus.Price includes taxes and charges.From £115, select.
Denver.£126 per passenger.Departing Fri, 30 Jan, returning Mon, 2 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Port Columbus on Fri, 30 Jan, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Mon, 2 Feb, arriving in Port Columbus.Price includes taxes and charges.From £126, select.
Denver.£150 per passenger.Departing Fri, 16 Jan, returning Mon, 19 Jan.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Port Columbus on Fri, 16 Jan, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 19 Jan, arriving in Port Columbus.Price includes taxes and charges.From £150, select.
Denver.£154 per passenger.Departing Fri, 27 Feb, returning Sun, 1 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Port Columbus on Fri, 27 Feb, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Sun, 1 Mar, arriving in Port Columbus.Price includes taxes and charges.From £154, select.
Denver.£196 per passenger.Departing Thu, 12 Feb, returning Sun, 15 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Port Columbus on Thu, 12 Feb, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Sun, 15 Feb, arriving in Port Columbus.Price includes taxes and charges.From £196, select.
Denver.£197 per passenger.Departing Tue, 24 Mar, returning Thu, 26 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Port Columbus on Tue, 24 Mar, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 26 Mar, arriving in Port Columbus.Price includes taxes and charges.From £197, select.
Denver.£202 per passenger.Departing Thu, 12 Mar, returning Thu, 19 Mar.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Port Columbus on Thu, 12 Mar, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Thu, 19 Mar, arriving in Port Columbus.Price includes taxes and charges.From £202, select.

Find the cheapest month to fly from Port Columbus to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Port Columbus to Denver International flights are currently cheapest in January.
Dec
from £403
Jan
from £115
Feb
from £115
Mar
from £197
Apr
from £270
May
from £269
Jun
from £269
Jul
from £283
Aug
from £270
Sep
from £284
Oct
from £300
Nov
Find prices

Direct flights from Port Columbus to Denver International

Port Columbus to Denver International: Alternative routes

Compare routes from Port Columbus to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Columbus to Denver: Flight information

The things to know before you go.
Cheapest flight found£115
Cheapest month to flyJanuary
Average flight time3 hrs, 16 mins
Most popular airlineSouthwest Airlines
Average flights per week32

Finding cheap flights from Port Columbus to Denver International: Frequently asked questions

The best price we found for a return flight from Port Columbus to Denver International is £115. 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 16 minutes is the average flight time from Port Columbus to Denver International.
Southwest Airlines, United and Frontier Airlines fly direct from Port Columbus to Denver International.
As of December 2025, there are 32 flights per week flying from Port Columbus to Denver International.
The cheapest month to fly from Port Columbus to Denver International is usually January.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Port Columbus Airport to Denver International Airport on Saturday, 24 January 2026.
Yes – the average flight time is 3 hours and 16 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 International 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.
Currently, Frontier Airlines offers the cheapest flight tickets to Denver International.

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

  • Jump on a direct flight from John Glenn Columbus International Airport to Denver International Airport and you'll be travelling for an average of 3 hours 10 minutes.

  • The timezone in Denver is UTC-6, which is two hours behind Columbus.

  • Flights from CMH to DEN start at 05:10 — the earliest with Southwest Airlines. The last departure is at 21:59 with Frontier Airlines. Overall, there are 38 weekly John Glenn Columbus International Airport to Denver International Airport flights.

  • Your CMH to DEN flight won't wait if you're late, so get to the airport with time to spare. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Flying during a peak month such as July? School holidays and other high seasons can mean longer queues and delays at check-in and security. Play things extra safe and get there up to four hours before an international flight and two hours before domestic departures.

  • A range of airlines offer direct flights from John Glenn Columbus International Airport to Denver International Airport, so getting to Denver (and then visiting more of United States!) is easy. The most popular carriers that fly nonstop include:

  • Frontier Airlines is the airline most travellers choose to fly with on this route.

  • United Airlines is the most punctual carrier offering CMH to DEN flights. A reliable 81.67% of its departures on this route land as scheduled.

  • We make it easy to book a flight with a stopover. To see your options for tickets from John Glenn Columbus International Airport to Denver International Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to visit your chosen city. Top stopovers between CMH and DEN include:

    • Lambert-St. Louis International Airport

    • Nashville International Airport

    • Chicago Midway International Airport

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

  • The cheapest price we've found for a one-way John Glenn Columbus International Airport to Denver International Airport flight is £47. A return ticket right now is £115. Depending on the availability and when you book, these fares could change.

  • To pick up cheap tickets from CMH to DEN, book your trip six months ahead of your departure date.

  • May is the cheapest month for flights from John Glenn Columbus International Airport to Denver International Airport. If you're looking to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares across every month.

  • There's no need to check every day to find out if fares have gone down when you set up a Price Alert. We'll let you know the moment there's a better deal on cheap flights from CMH to DEN.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from John Glenn Columbus International Airport to Denver International Airport.

Handy information about John Glenn Columbus International Airport (CMH)

  • CMH is located at 4600 International Gateway.

  • Of the departures from John Glenn Columbus International Airport, 79.5% land on time at their destination.

  • Central Columbus to John Glenn Columbus International Airport is approximately 8 miles. Depending on traffic, it'll take you about 10 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Catching public transport? Expect a journey time of around 1 hour 5 minutes.

  • Need a convenient hotel near CMH? If you're boarding an early flight from John Glenn Columbus International Airport to Denver International Airport, these accommodation options will have you moments from your check-in counter:

Arriving at Denver International Airport (DEN)

  • Consider checking in to Baymont by Wyndham Denver International Airport after touching down from your John Glenn Columbus International Airport to Denver International Airport flight. It's a short drive from DEN and a handy option if you're eager to freshen up right away.

  • Fast-track your adventure by picking up a Denver International Airport rental car. Grab your wheels from Routes Car Rentals, Dollar or Budget to explore Denver and beyond.

  • Reserving your ride from Denver International Airport about one week ahead gives you the best shot at securing a great deal.

Getting from Denver International Airport (DEN) to central Denver

  • The street address for DEN is 8500 Pena Boulevard.

  • Denver International Airport is roughly 25 miles from central Denver. The drive time takes about 35 minutes.

  • It typically takes 1 hour 30 minutes if you're travelling by public transport.

When to fly to Denver International Airport (DEN)

  • It's time to work out your travel dates for your flight from John Glenn Columbus International Airport to Denver International Airport. July is the busiest month to visit Denver. If you want a more laid-back vibe, go in April.

  • The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from John Glenn Columbus International Airport to Denver International Airport in this month if you like this kind of weather.

  • Look for cheap tickets from CMH to DEN in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between -9ºC (16ºF) and 7ºC (45ºF) on average.

Explore more of United States

  • You've visited Denver, now it's time to explore other corners of United States. Journey about 65 miles south to Colorado Springs to check 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), you'll have a full itinerary ahead.

  • If you're eager to discover another great destination in United States, consider Aurora, about 8 miles east of Denver. Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc are key highlights.

Plan the rest of your trip from Columbus to Denver

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