$34 Cheap Flights to Denver CO in 2026

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Flight deals to Denver

Looking for a cheap last-minute deal or the best round-trip flight to Denver? Find the biggest savings on one-way and round-trip tickets right here.

Denver.$34 per passenger.Departing Tue, Feb 3, returning Thu, Feb 5.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Tue, Feb 3, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Thu, Feb 5, arriving in San Diego International.Price includes taxes and charges.From $34, select.

Denver.$35 per passenger.Departing Fri, Feb 27, returning Mon, Mar 2.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Fri, Feb 27, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Mon, Mar 2, arriving in San Diego International.Price includes taxes and charges.From $35, select.

Denver.$36 per passenger.Departing Fri, Jan 30, returning Sun, Feb 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Fri, Jan 30, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Sun, Feb 1, arriving in San Diego International.Price includes taxes and charges.From $36, select.

Denver.$36 per passenger.Departing Wed, Jan 28, returning Thu, Jan 29.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Wed, Jan 28, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Thu, Jan 29, arriving in San Diego International.Price includes taxes and charges.From $36, select.

Denver.$38 per passenger.Departing Fri, Mar 6, returning Mon, Mar 9.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Fri, Mar 6, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Mon, Mar 9, arriving in San Diego International.Price includes taxes and charges.From $38, select.

Denver.$54 per passenger.Departing Sun, Apr 5, returning Sat, Apr 11.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from San Diego International on Sun, Apr 5, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Sat, Apr 11, arriving in San Diego International.Price includes taxes and charges.From $54, select.

Denver.$57 per passenger.Departing Wed, Mar 25, returning Wed, Apr 1.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Los Angeles International on Wed, Mar 25, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Wed, Apr 1, arriving in Los Angeles International.Price includes taxes and charges.From $57, select.

Denver.$58 per passenger.Departing Wed, Feb 11, returning Wed, Apr 8.Round-trip flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departing from Atlanta Hartsfield-Jackson on Wed, Feb 11, arriving in Denver International.Inbound direct flight with Frontier Airlines departing from Denver International on Wed, Apr 8, arriving in Atlanta Hartsfield-Jackson.Price includes taxes and charges.From $58, select.

Find the cheapest time to fly to Denver

Flexible on travel dates? Find the cheapest month – or even day – to fly to Denver.

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Airports in Denver

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

Direct flights to Denver

Frequently asked questions

How long is the flight to Denver?

The average flight time to Denver is 4 hours and 7 minutes. We've calculated this based on journeys from Washington, D.C..

How many airports are there in Denver?

There are 4 airports in Denver: Denver Arapahoe Co, Broomfield, Denver International, and Northern Colorado Regional.

Which airlines offer direct flights to Denver?

Southwest Airlines, United, SkyWest Airlines, Air Canada, American Airlines, Lufthansa, Copa and Frontier Airlines all fly non-stop to Denver.

When is the cheapest time to fly to Denver?

The cheapest month to fly to Denver is usually February.

How can I find the best flight deal to Denver?

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.

Can I get a direct flight to Denver?

Yes – you can fly direct to Broomfield Airport or Denver International Airport, and the average flight time is 2 hours and 40 minutes.

How much are round-trip flights to Denver?

The best price we found for a round-trip flight to Denver is $34. 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.

What's the cheapest airport in Denver?

The cheapest airport near Denver is Denver International – which is 18.6 miles away from the center of Denver. We've found flights to this airport from $34.

Which upcoming date is cheapest to fly to Denver on?

After crunching the numbers on our flight calendar, we found that the cheapest date to fly to Denver is Tuesday, February 3, 2026.

When is the best time to book flights to Denver?

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.

What’s the weather like in Denver?

The average temperature in Denver in January is around 31°F. The warmest month in Denver is typically July, which averages 87°F. The coolest month is December, with temperatures averaging 21°F. The rainiest month is July, and it usually rains the least in January.

Which is the cheapest airline to fly with to Denver?

Currently, Frontier Airlines offers the cheapest flight tickets to Denver.

Flying to Denver

The things to know before you go.

Cheapest flight found	$34
Cheapest month to fly	February
Average flight time	2 hrs, 40 mins
Most popular airline	Southwest Airlines
Average flights per week	13,642

Discover Denver

How to find cheap flights to Denver

The cheapest price we've found for a one-way flight to Denver is $18. A round-trip ticket starts at $34.
Stay on top of fare changes with Price Alerts delivered right to your app or inbox. Just sign up for these automatic notifications and let the best deals find you.
Book your tickets in advance. You're more likely to find an amazing deal and have a wider range of departure options.
Choose 'Add nearby airports' during your search to give you a better shot at finding cheap flights to Denver. This will give you more choices for where to start and end your trip, along with different prices.
Choosing a multi-leg journey can help lower your fare, so search for flights that include a stop. After your results show up, use the 'Stops' filter to explore your options.

Best time to go to Denver

Make use of the 'Whole month' tool if your travel dates are flexible. Browse fares for an entire month and find a flight that suits your plans and budget.
July sees the highest demand for flights. The city is typically in full swing, giving you no shortage of things to do.
Travel in April if you're looking for a more relaxed experience. This is the least busy month and also when plane tickets to Denver tend to be more affordable.
The weather can make or break your trip, so consider what type of conditions you want to travel in. Denver is warmest in July, with averages of between 57ºF and 90ºF.
January is when temperatures reach their lowest, between 16ºF and 45ºF.
With three days of rainfall on average, November is the driest month in Denver.
May brings the wettest weather. You can expect around ten days of rainfall.

Traveling to Denver: what you need to know

The busiest airport handling flights to the city is Denver International Airport (DEN).
Offering direct flights to Denver, these popular airlines make reaching your destination easy:
Denver is in the UTC-6 timezone.
Book your flights and then find the ideal place to stay. These choices cover comfort, convenience, and everything in between:

Getting to central Denver from Denver International Airport (DEN)

DEN, the city's primary airport, is about 25 miles from central Denver.
If you're ride-sharing or taking a cab after your flight to Denver, it'll take around 35 minutes to get to the center.
Expect the trip to take about 1 hour 30 minutes on public transport.
Baymont by Wyndham Denver International Airport is a comfortable stay just an easy drive from Denver International Airport. Rest and recharge here after your flight to Denver.
Kick off your Denver adventure sooner by grabbing a car rental at DEN. Routes Car Rentals, Dollar and Budget are major suppliers to pick from here.

Denver highlights

These top sights have to be on your itinerary after hopping off your flight to Denver:
- Denver Art Museum: A classic spot to start your sightseeing, this landmark is around 0.2 miles southwest of the city center.
- Mayfair Plaza Shopping Center: You'll find this shopping area roughly 4 miles east of the center. Do a little spending here in between seeing the sights of Denver.
- Ballpark: This will also make the highlight reel of your vacation. A top landmark, it's around 1 mile north of the heart of Denver.

Explore more of the United States

The United States has plenty more ways to surprise you. Continue on to Colorado Springs, located around 65 miles south of Denver. Garden of the Gods, Pikes Peak Region Attractions and Red Rock Canyon should be on your to-do list. Colorado Springs Municipal Airport (COS) is the city's most convenient major airport.
Another city in the United States that earns its place on your itinerary is Aurora. From Denver, it's roughly 8 miles east and offers highlights like Sagebrush Park and Launch Pad Brewery. Spend a little time at Alta Vista Park too.
Roughly 60 miles north of Denver, Fort Collins is well worth the journey. Great reasons to visit include National Parks & Conservation, Arapaho National Forest and Odell Brewing Company.

Complete your trip with a Denver car rental

Rent a car in the city and make your trip more flexible. Check out the range of car rentals in Denver and find all the best prices in one easy search. You can also compare rental cars on everything from provider rating to fuel policy and customer service.