Cheap Flights from Denver International to Pittsburgh International

Compare Denver International to Pittsburgh International flight deals

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

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Flight deals from Denver International to Pittsburgh International

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

Find the cheapest month to fly from Denver International to Pittsburgh International

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

Direct flights from Denver International to Pittsburgh International

Denver International to Pittsburgh International: Alternative routes

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

Denver to Pittsburgh: Flight information

The things to know before you go.
Cheapest flight foundRs24,396
Cheapest month to flySeptember
Average flight time3 hrs, 1 min
Most popular airlineSouthwest Airlines
Average flights per week25

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

The best price we found for a return flight from Denver International to Pittsburgh International is Rs47,732. 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 1 minute is the average flight time from Denver International to Pittsburgh International.
Southwest Airlines, United and Frontier Airlines fly direct from Denver International to Pittsburgh International.
As of September 2025, there are 25 flights per week flying from Denver International to Pittsburgh International.
The cheapest month to fly from Denver International to Pittsburgh International is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Denver International Airport to Pittsburgh International Airport on Monday, 10 November 2025.
Yes – the average flight time is 3 hours and 1 minute.
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 Pittsburgh 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 Pittsburgh 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 Pittsburgh International.

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

  • Around 3 hours 5 minutes is how long you can expect to be travelling on a direct flight from Denver International Airport to Pittsburgh International Airport.

  • Pittsburgh is two hours ahead of Denver and follows the UTC-4 timezone.

  • Take your pick of 112 weekly Denver International Airport to Pittsburgh International Airport flights. The 06:00 departure with Frontier Airlines is the earliest flight available. United Airlines operates the last service of the day at 23:59.

  • Leave plenty of time to catch your DEN to PIT flight. As a rule of thumb, arrive at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like July, it's best to get to the airport even earlier. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you fly during a high season in general.

  • A number of airlines offer direct flights from Denver International Airport to Pittsburgh International Airport, so jetting to Pittsburgh (and then seeing more of United States!) is easy. Popular carriers that fly nonstop include:

  • Frontier Airlines tops the list for bookings on this route.

  • United Airlines is the most punctual carrier operating DEN to PIT flights. A dependable 85.83% of its services on this route arrive as planned.

  • Consider adding a stopover when booking your ticket from Denver International Airport to Pittsburgh International Airport. Simply deselect 'Direct flights only' to break up your journey, or maybe even explore a new city along the way. Here are some options between DEN and PIT:

    • Minneapolis-St. Paul International Airport

    • Detroit Metropolitan Wayne County Airport

    • Nashville International Airport

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

  • The cheapest price we've seen for a one-way Denver International Airport to Pittsburgh International Airport flight is Rs24,396. A return fare is currently Rs47,732. Depending on the availability when you book, these fares can change.

  • Book six months before you want to fly. After looking at the numbers on our calendar, this is how far you'll want to book ahead to secure cheap tickets from DEN to PIT.

  • May is the cheapest month for flights from Denver International Airport to Pittsburgh International Airport. If you want to fly at a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • You won't have to check back in every day to find out if fares have dropped when you create a Price Alert. We'll send you an update as soon as there's a change in price on cheap flights from DEN to PIT.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Denver International Airport to Pittsburgh International Airport.

Handy information about Denver International Airport (DEN)

  • You'll find DEN at 8500 Pena Boulevard.

  • Denver International Airport scores high marks for its on-time performance. 80.23% of flights that take off from DEN reach their destination without delay.

  • Central Denver to Denver International Airport is approximately 40 kilometres. Depending on traffic, it'll take you about 35 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The trip on public transport will take about 1 hour 30 minutes.

  • Searching for a hotel to stay in before your flight from Denver International Airport to Pittsburgh International Airport? Consider Baymont by Wyndham Denver International Airport. Get a good night's sleep here before heading to DEN.

Arriving at Pittsburgh International Airport (PIT)

Getting from Pittsburgh International Airport (PIT) to central Pittsburgh

  • You'll find PIT at 1000 Airport Boulevard.

  • Pittsburgh International Airport is approximately 27 kilometres from the centre of Pittsburgh. The drive time takes about 25 minutes.

When to fly to Pittsburgh International Airport (PIT)

  • July is the most popular month for flights from Denver International Airport to Pittsburgh International Airport. To steer clear of the crowds, travel to Pittsburgh in April.

  • Before locking in your flight from Denver International Airport to Pittsburgh International Airport, think about the type of weather you like. July is the warmest month in Pittsburgh, with the temperature ranging from 15ºC to 31ºC.

  • January sees average temperatures of between -10ºC and 6ºC. Look for cheap tickets from DEN to PIT sometime around then if you want to travel when it's cooler.

Explore more of United States

  • You've visited Pittsburgh, now it's time to discover more of United States. Travel around 418 kilometres east to Philadelphia to check off its must-visit sights. From Liberty Bell to Independence Hall and Philadelphia Museum of Art, you've got a jam-packed schedule ahead.

  • Columbus is another sought-after destination in United States and is around 257 kilometres west of Pittsburgh. No trip is complete without experiencing Franklin Park Conservatory and Botanical Gardens, Ohio Statehouse and German Village.

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