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$56+ Cheap flights from Pittsburgh to Denver (PIT - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
PIT — DEN
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Pittsburgh to Denver Intl are usually found in October or November, booked 65 days in advance, depart on a Thursday or Friday and return on a Thursday

Cheap flight deals from Pittsburgh to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Pittsburgh (PIT) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$180
(Cheapflightsfares)

One-way from

$56
(Cheapflightsfares)

Popular in

December

Cheapest in

October

Average price

$355

Good round-trip deal

$306 or less

Good one-way deal

$173 or less
From Pittsburgh to Denver Intl
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One-way flight from Pittsburgh to Denver Intl
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Pittsburgh to Denver Intl.
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Price to beat on a one-way flight from Pittsburgh to Denver Intl.
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Find flight deals from Pittsburgh to Denver

Cheapest flights from Pittsburgh to Denver
Explore the most affordable flight options available from Pittsburgh to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:06 pmPIT - DEN
Nonstop3h 31mFrontier
Sun 10/1211:38 amDEN - PIT
Nonstop3h 07mFrontier
Deal found 9/11$180
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:30 amPIT - DEN
Nonstop3h 36mUnited Airlines
Sun 11/910:04 amDEN - PIT
Nonstop3h 01mUnited Airlines
Deal found 9/9$181
This Booking.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/108:06 pmPIT - DEN
Nonstop3h 31mFrontier
Thu 10/1612:36 amDEN - PIT
1 stop17h 55mFrontier
Deal found 9/10$182
This CheapOair deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/132:38 pmPIT - DEN
1 stop19h 57mFrontier
Sun 11/1611:15 pmDEN - PIT
1 stop12h 38mFrontier
Deal found 9/10$184
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:36 pmPIT - DEN
1 stop5h 46mAmerican Airlines
Fri 11/288:00 amDEN - PIT
1 stop8h 33mAmerican Airlines
Deal found 9/9$185
This Kiwi.com deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:49 pmPIT - DEN
1 stop12h 58mMultiple Airlines
Mon 11/1711:28 amDEN - PIT
Nonstop3h 07mMultiple Airlines
Deal found 9/11$186
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/317:00 amPIT - DEN
2 stops16h 49mMultiple Airlines
Mon 11/1011:28 amDEN - PIT
Nonstop3h 07mMultiple Airlines
Deal found 9/10$189
This Southwest deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/142:15 pmPIT - DEN
1 stop5h 35mSouthwest
Mon 11/1710:20 amDEN - PIT
Nonstop2h 55mSouthwest
Deal found 9/10$191
This Booking.com deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/75:30 pmPIT - DEN
Nonstop3h 30mFrontier
Sun 11/911:15 pmDEN - PIT
1 stop12h 38mFrontier
Deal found 9/9$192
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/184:35 pmPIT - DEN
Nonstop3h 28mUnited Airlines
Mon 10/205:25 pmDEN - PIT
Nonstop3h 05mUnited Airlines
Deal found 9/11$193
This Kiwi.com deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:36 pmPIT - DEN
1 stop16h 24mFrontier
Mon 11/1711:28 amDEN - PIT
Nonstop3h 07mFrontier
Deal found 9/10$194

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pittsburgh to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Pittsburgh to Denver that are best for you.

Fly from

Pittsburgh

Fly to

Denver

Route

Depart

Return

Price

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Fri 12/5

6:20 pm-7:50 pm

Nonstop3h 30m

Denver Intl

Mon 12/8

8:00 am-3:50 pm

2 stops5h 50m

$196

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Wed 10/15

1:10 pm-2:35 pm

Nonstop3h 25m

Denver Intl

Wed 10/22

4:45 pm-11:05 pm

1 stop4h 20m

$230

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Mon 10/6

1:48 pm-8:15 pm

1 stop8h 27m

Denver Intl

Sun 10/12

12:50 am-8:57 am

1 stop6h 07m

$237

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Fri 10/24

6:36 pm-11:59 pm

1 stop7h 23m

Denver Intl

Sun 10/26

12:50 am-8:57 am

1 stop6h 07m

$237

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Tue 10/7

6:20 am-12:39 pm

1 stop8h 19m

Denver Intl

Mon 10/13

12:50 am-10:34 am

1 stop7h 44m

$237

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Sat 10/18

1:48 pm-5:49 pm

1 stop6h 01m

Denver Intl

Sun 10/26

12:50 am-8:57 am

1 stop6h 07m

$237

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Fri 11/14

7:20 pm-11:14 pm

1 stop5h 54m

Denver Intl

Sun 11/16

12:50 am-9:05 am

1 stop6h 15m

$237

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Sat 10/4

6:20 am-9:34 am

1 stop5h 14m

Denver Intl

Mon 10/13

6:05 am-3:53 pm

1 stop7h 48m

$237

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Wed 11/5

10:40 am-12:19 pm

Nonstop3h 39m

Denver Intl

Sun 11/9

10:04 am-3:05 pm

Nonstop3h 01m

$245

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Thu 10/9

4:35 pm-6:03 pm

Nonstop3h 28m

Denver Intl

Mon 10/13

5:25 pm-10:30 pm

Nonstop3h 05m

$261

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 22 results
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The best insider tips for Pittsburgh to Denver flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Pittsburgh to Denver trip
Airports
PIT

Due to construction at PIT, arrive earlier than usual to navigate potential changes smoothly.

Read more about PITby John Walton
DEN

Use the A Line train for a cost-effective 37-minute ride from DEN to downtown Denver.

Read more about DENby Emily Zemler
Our travel experts
John Walton

John Walton

Expert on PIT

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Emily Zemler

Emily Zemler

Expert on DEN

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

Read more

Best time to book a flight from Pittsburgh to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Pittsburgh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Pittsburgh to Denver

How far ahead should I book a flight from Pittsburgh to Denver?

Use this chart to determine the optimal time to book a round-trip flight from Pittsburgh to Denver. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Pittsburgh to Denver, you should look to book at least 65 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Pittsburgh to Denver?

Currently, October is the cheapest month in which you can book a flight from Pittsburgh to Denver (average of $197). Flying from Pittsburgh to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PIT to DEN?

Find hourly flight availability from Pittsburgh to Denver. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from Pittsburgh to Denver in the afternoon. If you’re flexible enough to do this you can expect to save up to 13% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Pittsburgh to Denver?

Use this chart to determine the cheapest time to fly round-trip from Pittsburgh to Denver. Price data was last updated on September 7, 2025.

Travelers seeking maximum savings on their Pittsburgh to Denver flight should consider departing on Sunday at noon when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated September 11, 2025.
Get a feel of what it's like to fly with Southwest, United Airlines, and American Airlines from Pittsburgh to Denver by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,248 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
United Airlines
7.4
Good
8,937 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
JetBlue
7.2
Good
2,913 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Frontier
5.8
Fair
3,177 reviews
Southwest
8.0
Very good
4,248 reviews

Comfort

8.0

Overall

8.0

Boarding

8.1

Food

7.0

Crew

8.6

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Pittsburgh to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Pittsburgh to Denver?

    To fly from Pittsburgh to Denver, you need to book a flight from Pittsburgh (PIT) to Denver Intl (DEN). Nonstop flights to Denver Intl from Pittsburgh take 3h 25m on average. When it comes time to book airfare, you have a few options: there are 5 outbound flights from Pittsburgh to Denver Intl offered by 6 different airlines.

  • How popular is this Pittsburgh to Denver flight route?

    This flight path from Pittsburgh to Denver Intl was viewed by 99 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Pittsburgh to Denver?

    A quick flight from Pittsburgh to Denver can take about 3h 30m. Southwest provides one of the quickest options available for as low as $196. The distance between Pittsburgh and Denver is about 1285 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Pittsburgh to Denver round-trip?

    Cheapflights users have booked flights from Pittsburgh to Denver round-trip from $70. Other airlines that can offer you cheap pricing are American Airlines, from $168, and Delta, from $174. Users have found that Frontier is 81% cheaper than the other options available to this destination.

  • What are the most reliable airlines from Pittsburgh to Denver?

    Consider United Airlines (89%), Southwest (58%) or Frontier (57%) when booking your flight. These represent the most reliable airlines when flying from Pittsburgh to Denver.

  • What are the cheapest flights from Pittsburgh to Denver?

    On average you can expect to pay $720 for a flight from Pittsburgh to Denver. The cheapest flight overall is $134 while the most popular route, (Pittsburgh - Denver Intl) is currently priced at $149.

  • Can I find deals for flights from Pittsburgh to Denver that include hotel bookings?

    Yes. In addition to deals on Pittsburgh to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pittsburgh to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pittsburgh to Denver.

  • Can I find deals for business class flights from Pittsburgh to Denver?

    Yes. Cheapflights offers flight deals from Pittsburgh to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Pittsburgh to Denver?

    Currently, October is the cheapest month in which you can book a flight from Pittsburgh to Denver (average of $197). Flying from Pittsburgh to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Westminster
Black Hawk
Golden
Winter Park
Broomfield
Greeley
Lone Tree
Lakewood
Cripple Creek
Thornton
Silverthorne
Frisco
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Pittsburgh to Denver

See prices for flight routes from nearby airports that may be better suited for you.
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Philadelphia to Colorado Springs flights
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Top 6 airlines flying from Pittsburgh to Denver

Discover the top 6 airlines that operate flights from Pittsburgh to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$70Average$188FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$168Average$317FlexibilityNo cancel feeOn-time71%
DeltaCheapest$174Average$398FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$214Average$436FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$219Average$366FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$284Average$425FlexibilityNo cancel feeOn-time63%

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