$109 Cheap Flights from Pittsburgh (PIT) to Denver (DEN)

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Find available prices by choosing your travel dates.

Cheap Flights from Pittsburgh to Denver (PIT-DEN)

Prices were available within the past 7 days and start at $109 for one-way flights and $217 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Tue, Jun 10 - Wed, Jun 11
PIT
Pittsburgh
DEN
Denver
$217 Roundtrip, found 22 hours ago
$217
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Jun 10 from Pittsburgh to Denver, returning Wed, Jun 11, priced at $217 found 22 hours ago
Southwest Airlines
Tue, Jun 10 - Wed, Jun 11
PIT
Pittsburgh
DEN
Denver
$222 Roundtrip, found 22 hours ago
$222
Roundtrip
found 22 hours ago
Select Southwest Airlines flight, departing Tue, Jun 10 from Pittsburgh to Denver, returning Wed, Jun 11, priced at $222 found 22 hours ago
Southwest Airlines
Tue, Jul 1 - Thu, Jul 10
PIT
Pittsburgh
DEN
Denver
$226 Roundtrip, found 5 hours ago
$226
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Tue, Jul 1 from Pittsburgh to Denver, returning Thu, Jul 10, priced at $226 found 5 hours ago
American Airlines
Wed, Jun 4 - Wed, Jun 11
PIT
Pittsburgh
DEN
Denver
$230 Roundtrip, found 9 hours ago
$230
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Jun 4 from Pittsburgh to Denver, returning Wed, Jun 11, priced at $230 found 9 hours ago
American Airlines
Wed, Jun 4 - Tue, Jun 10
PIT
Pittsburgh
DEN
Denver
$231 Roundtrip, found 11 hours ago
$231
Roundtrip
found 11 hours ago
Select American Airlines flight, departing Wed, Jun 4 from Pittsburgh to Denver, returning Tue, Jun 10, priced at $231 found 11 hours ago
Southwest Airlines
Tue, Jul 1 - Fri, Jul 11
PIT
Pittsburgh
DEN
Denver
$234 Roundtrip, found 3 hours ago
$234
Roundtrip
found 3 hours ago
Select Southwest Airlines flight, departing Tue, Jul 1 from Pittsburgh to Denver, returning Fri, Jul 11, priced at $234 found 3 hours ago
Southwest Airlines
Wed, Jul 23 - Tue, Jul 29
PIT
Pittsburgh
DEN
Denver
$235 Roundtrip, found 2 days ago
$235
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Wed, Jul 23 from Pittsburgh to Denver, returning Tue, Jul 29, priced at $235 found 2 days ago
JetBlue Airways
Sun, May 25 - Sun, Jun 8
PIT
Pittsburgh
DEN
Denver
$241 Roundtrip, just found
$241
Roundtrip
just found
Select JetBlue Airways flight, departing Sun, May 25 from Pittsburgh to Denver, returning Sun, Jun 8, priced at $241 just found
Frontier Airlines
Mon, Jul 28 - Wed, Jul 30
PIT
Pittsburgh
DEN
Denver
$243 Roundtrip, just found
$243
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Jul 28 from Pittsburgh to Denver, returning Wed, Jul 30, priced at $243 just found
United
Wed, May 21 - Sun, May 25
PIT
Pittsburgh
DEN
Denver
$323 Roundtrip, found 1 hour ago
$323
Roundtrip
found 1 hour ago
Select United flight, departing Wed, May 21 from Pittsburgh to Denver, returning Sun, May 25, priced at $323 found 1 hour ago
Flights from Pittsburgh (PIT) to Denver (DEN)
Origin airport
Pittsburgh Intl.
Destination airport
Denver Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southwest Airlines, United
Roundtrip price
$217
Distance
1285 mi

Pittsburgh to Denver Flights

The cheapest times to fly from Pittsburgh to Denver

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Pittsburgh to Denver are during the month of June. You can find some of the cheapest flights from Pittsburgh to Denver with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Pittsburgh to Denver

Sunday is one of the best days to book for cheap flights from Pittsburgh to Denver: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Pittsburgh to Denver

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Pittsburgh to Denver in 2025. You can also book with separate airlines for your outbound and return journeys, from $109 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Pittsburgh to Denver flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Pittsburgh to Denver airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently asked questions

How much does a flight from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN) cost?
Pick up cheap return flights starting at $250 from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN). This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a Frontier Airlines flight leaving PIT on May 20 2025 and touching down at DEN. The price was last updated on April 23 2025 and has not changed since.
What is the cheapest month to fly from PIT to DEN?
The cheapest flights from PIT to DEN are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
Skip the layovers and fly nonstop from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN) with 3 carriers, including:

  • United Airlines
  • Southwest Airlines
  • Frontier Airlines

What is the cheapest airline that flies from PIT to DEN?
Take off from PIT to DEN with Frontier Airlines. This carrier currently offers the cheapest one-way fare for this route, starting from $125. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from PIT on July 14 2025. Prices were last updated on April 23 2025 and have not changed since.
How many flights per day from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
When flying out of Pittsburgh Intl. Airport (PIT), you can pick from an average of 3 daily direct flights to Denver Intl. Airport (DEN).
What are the most popular departure times for flights from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
More people fly between PIT and DEN at 4 PM than at any other time. Rather go when it’s quieter? Consider flying outside peak hours and it’s possible you’ll save on your ticket as well.
What day of the week has the most flights from PIT to DEN?
If you travel on a Thursday, you’ll get the greatest range of options for flights from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN).
What is the earliest flight from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
Pittsburgh Intl. Airport (PIT)’s first flight to Denver Intl. Airport (DEN) departs at approximately 5:30AM UTC-5. With a travel time of 3h 55m, you’ll touch down at around 7:25AM UTC-7.
How long does it take to fly from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
Flights from PIT to DEN have an average travel time of 3 hours and 44 minutes. The total distance between these two airports is 1,300 mi.
What airline has the least delays from PIT to DEN?
With 87% of flights typically landing on schedule, Southwest Airlines has the best on-time performance for nonstop flights from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN). To check your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
To avoid possible delays on the Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN) route, travel before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.
What airports do you fly into for Denver from Pittsburgh Intl. Airport (PIT)?
Browse your flight options from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN). This is the only Denver airport you can arrive at if you’re taking a direct flight.
Is it cheaper to buy a plane ticket from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN) last-minute?
Booking your flight from PIT to DEN shortly before your journey is usually more expensive. But if you’re flexible with your travel times and dates, you could snag a cheap last-minute fare.
Is it cheaper to book a PIT to DEN flight and hotel package?
Opting for a PIT to DEN flight and hotel package is typically cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Select from our wide range of hotels and then add activities, car rentals and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Pittsburgh Intl. Airport (PIT) to Denver Intl. Airport (DEN)?
Usually, it’s possible to reschedule or cancel your PIT to DEN flight. However, for bookings made more than 24 hours ago, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.