Cheap Flights from Pittsburgh International to Denver

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Flight deals from Pittsburgh International to Denver

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

Denver.$253 per passenger.Departing Mon, 23 Feb, returning Thu, 26 Feb.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Pittsburgh International on Mon, 23 Feb, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 26 Feb, arriving in Pittsburgh International.Price includes taxes and charges.From $253, select.

Denver.$351 per passenger.Departing Mon, 2 Mar, returning Thu, 5 Mar.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Pittsburgh International on Mon, 2 Mar, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 5 Mar, arriving in Pittsburgh International.Price includes taxes and charges.From $351, select.

Denver.$436 per passenger.Departing Fri, 13 Feb, returning Mon, 16 Feb.Return flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Pittsburgh International on Fri, 13 Feb, arriving in Denver International.Inbound direct flight with Frontier Airlines departs from Denver International on Mon, 16 Feb, arriving in Pittsburgh International.Price includes taxes and charges.From $436, select.

Denver.$521 per passenger.Departing Fri, 10 Apr, returning Sun, 19 Apr.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Pittsburgh International on Fri, 10 Apr, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Sun, 19 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From $521, select.

Denver.$556 per passenger.Departing Mon, 4 May, returning Thu, 7 May.Return flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Pittsburgh International on Mon, 4 May, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 7 May, arriving in Pittsburgh International.Price includes taxes and charges.From $556, select.

Denver.$656 per passenger.Departing Wed, 1 Apr, returning Tue, 7 Apr.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Wed, 1 Apr, arriving in Denver International.Inbound direct flight with Southwest Airlines departs from Denver International on Tue, 7 Apr, arriving in Pittsburgh International.Price includes taxes and charges.From $656, select.

Denver.$656 per passenger.Departing Tue, 12 May, returning Wed, 20 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Tue, 12 May, arriving in Denver International.Inbound direct flight with Southwest Airlines departs from Denver International on Wed, 20 May, arriving in Pittsburgh International.Price includes taxes and charges.From $656, select.

Denver.$708 per passenger.Departing Wed, 29 Apr, returning Sat, 2 May.Return flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Wed, 29 Apr, arriving in Denver International.Inbound direct flight with Southwest Airlines departs from Denver International on Sat, 2 May, arriving in Pittsburgh International.Price includes taxes and charges.From $708, select.

Find the cheapest month to fly from Pittsburgh International to Denver

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

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Direct flights from Pittsburgh International to Denver

Alternative Pittsburgh International to Denver routes

Looking for the cheapest, fastest or easiest route from Pittsburgh International to Denver? You could fly into the following airports instead.

Pittsburgh to Denver: Flight information

The things to know before you go.

Cheapest flight found	$253
Cheapest month to fly	February
Average flight time	3 hrs, 35 mins
Most popular airline	Southwest Airlines
Average flights per week	32

Finding cheap flights from Pittsburgh International to Denver: Frequently asked questions

How many airports are there in Denver?

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

How much are return flights from Pittsburgh International to Denver?

The best price we found for a return flight from Pittsburgh International to Denver is $253. 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.

How long does it take to fly from Pittsburgh International to Denver?

3 hours and 35 minutes is the average flight time from Pittsburgh International to Denver.

Which airlines fly direct from Pittsburgh International to Denver?

Southwest Airlines, United and Frontier Airlines fly direct from Pittsburgh International to Denver.

How many flights are there a week from Pittsburgh International to Denver?

As of February 2026, there are 32 flights per week flying from Pittsburgh International to Denver.

When is the cheapest time to fly from Pittsburgh International to Denver?

The cheapest month to fly from Pittsburgh International to Denver is usually February.

Which is the cheapest airport to fly into in Denver?

If you're flying from Pittsburgh International 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 $253.

Which upcoming date is cheapest to fly from Pittsburgh International Airport to Denver on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Pittsburgh International Airport to Denver on Monday, 23 February 2026.

Can I get a direct flight from Pittsburgh International Airport to Denver?

Yes – the average flight time is 3 hours and 35 minutes.

How can I get the best flight deal from Pittsburgh International Airport 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.

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?

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.

Which is the cheapest airline to fly from Pittsburgh International Airport to Denver with?

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

Travelling from Pittsburgh International Airport (PIT) to Denver: what you need to know

Expect to be travelling for 3 hours. On average, that's the time it takes for a direct flight from Pittsburgh International Airport to Denver.
The timezone in Denver is UTC-6. The city is two hours behind Pittsburgh, where Pittsburgh International Airport is located.
The busiest route is from Pittsburgh International Airport (PIT) to Denver International Airport (DEN). Choose from 27 weekly services between these two airports. If you want to get on your way as soon as you can, the earliest flight from PIT to DEN is the 05:10 Southwest Airlines service. If you prefer travelling later, the final departure is at 20:10 with Southwest Airlines.
To avoid missing your PIT to Denver flight, allow plenty of time to check in and drop off your luggage. Turning up two hours ahead of international departures and an hour before domestic flights is the general rule.
Heading off during a peak time like public or school holidays? Expect longer lines at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before domestic departures.
You can book a direct Pittsburgh International Airport to Denver ticket. Begin your journey at PIT and land at Denver International Airport (DEN).
Well-known carriers that operate direct flights from Pittsburgh International Airport to Denver include:
To get to PIT from central Pittsburgh, it'll take about 25 minutes if you're travelling by car. It's roughly 21 kilometres from the airport to the city centre.
Booked an early flight from Pittsburgh International Airport to Denver? Avoid rushing to the airport (and get some extra shut-eye) by choosing one of these stays near PIT:
When it comes to the on-time performance of Pittsburgh International Airport, 76.88% of flights complete their journey on time.
PIT is located at 1000 Airport Boulevard.

How to find the cheapest flights from Pittsburgh International Airport (PIT) to Denver

$148 is the lowest price we've seen for a one-way Pittsburgh International Airport to Denver flight. A round-trip ticket right now is $253. Depending on when and how early you book, these fares may change.
Book four months before you travel. Research on pricing trends suggests this is the ideal window for finding cheap flights from PIT to Denver.
Plan your trip for August. That's the best month for scoring an awesome deal on Pittsburgh International Airport to Denver tickets. If you're flexible with your travel dates, use the 'Whole month' tool to find the cheapest price across each month.
You don't need to keep checking in to see if fares have dropped when you set up a Price Alert. We'll notify you when there's an extra saving on cheap flights from PIT to Denver.
Save on your flight from Pittsburgh International Airport to Denver with the help of our filters. Select your ideal times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

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 around 35 minutes to reach the centre driving.
Getting there on public transport will take you around 1 hour 30 minutes.
Consider staying at Baymont by Wyndham Denver International Airport after your flight from Pittsburgh International Airport to Denver. It's a quick drive from DEN and a comfortable option if you want to relax as soon as possible.
Grab a Denver International Airport rental car and discover Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are popular providers you can book with here.
To secure the lowest price, reserve your ride from Denver International Airport about one week in advance of your flight from PIT to Denver.
You'll find DEN at 8500 Pena Boulevard.

Best time to go to Denver

Before booking your flights from Pittsburgh International Airport to Denver, consider which time of year is best for you. Peak season in Denver offers a bustling atmosphere and plenty of activities, while the low season means you'll get cheaper deals on hotels and smaller crowds.
The warmest month in Denver is July, with temperatures ranging between 14ºC and 32ºC. Lock in your Pittsburgh International Airport to Denver flight ticket then if that's the weather you find most pleasant.
If you want cooler conditions, search for a cheap ticket from PIT to Denver in January when temperatures average between -9ºC and 7ºC.

More about Denver

Start your Denver trip right by choosing the ideal place to stay. Once you've booked your flight from Pittsburgh International Airport to Denver, explore our selection of accommodation options including:
Union Station and Denver Art Museum are a couple of popular attractions to add to your Denver itinerary. Keep the adventure rolling by checking out Denver Botanic Gardens.

Explore more of United States

Denver has loads to offer, but there are so many other parts of United States just waiting to be discovered. Around 105 kilometres south of Denver, a trip to Colorado Springs will keep your itinerary packed. Start with popular sights like 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 eager to discover another well-known destination in United States, consider Pueblo, roughly 161 kilometres south of Denver. Pueblo Weisbrod Aircraft Museum, Rosemount Museum and Pueblo Zoo are key reasons to visit.