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Cheap flights from Pennsylvania to Denver from $38

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Denver departing on 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

Frontier Logo
10:56 pm - 1:04 amLGA-DEN
4h 08mnonstop
Frontier Logo
4:14 pm - 10:11 pmDEN-LGA
3h 57mnonstop
$75Frontier
Find Deal
Fri, Sep 5 - Sat, Sep 6
Frontier Logo
10:56 pm - 1:04 amLGA-DEN
4h 08mnonstop
Frontier Logo
4:14 pm - 10:11 pmDEN-LGA
3h 57mnonstop
$76Frontier
Find Deal
Sun, Sep 7 - Thu, Sep 11
Allegiant Air Logo
7:30 am - 9:25 amABE-DEN
3h 55mnonstop
Allegiant Air Logo
10:15 am - 3:42 pmDEN-ABE
3h 27mnonstop
$120Allegiant Air
Find Deal
Sun, Oct 12 - Thu, Oct 16
Allegiant Air Logo
7:00 am - 9:01 amABE-DEN
4h 01mnonstop
Allegiant Air Logo
10:35 am - 4:05 pmDEN-ABE
3h 30mnonstop
$124Allegiant Air
Find Deal
Sun, Aug 31 - Thu, Sep 4
Southwest Logo
7:10 am - 8:35 amPIT-DEN
3h 25mnonstop
Southwest Logo
10:05 am - 9:50 pmDEN-PIT
9h 45m2 stops
$172Southwest
Find Deal
Sat, Oct 18 - Sat, Oct 25
Southwest Logo
6:30 pm - 7:55 pmPIT-DEN
3h 25mnonstop
Southwest Logo
6:25 pm - 11:20 pmDEN-PIT
2h 55mnonstop
$174Southwest
Find Deal
Wed, Sep 24 - Sun, Oct 5
American Airlines Logo
12:35 pm - 4:43 pmPIT-DEN
6h 08m1 stop
American Airlines Logo
8:27 am - 5:29 pmDEN-PIT
7h 02m1 stop
$177American Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
American Airlines Logo
10:24 am - 4:43 pmPIT-DEN
8h 19m2 stops
American Airlines Logo
7:20 am - 3:03 pmDEN-PIT
5h 43m1 stop
$182American Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
Delta Logo
3:50 pm - 6:19 pmJFK-DEN
4h 29mnonstop
Delta Logo
11:59 pm - 6:00 amDEN-JFK
4h 01mnonstop
$197Delta
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Wed, Oct 8 - Tue, Oct 14
Delta Logo
7:21 pm - 11:04 pmPIT-DEN
5h 43m1 stop
Delta Logo
4:47 pm - 12:32 amDEN-PIT
5h 45m1 stop
$237Delta
Find Deal
Fri, Oct 17 - Mon, Oct 20

American Airlines flights from Pennsylvania to Denver

Our best American Airlines deals on Pennsylvania to Denver flight tickets
American Airlines
Sep 3
PIT12:35 pmPittsburgh
6h 08m
1 stop
DEN4:43 pmDenver Intl
Sep 6
DEN8:27 amDenver Intl
7h 02m
1 stop
PIT5:29 pmPittsburgh
$177
Find similar
American Airlines
Sep 3
PIT10:24 amPittsburgh
8h 19m
2 stops
DEN4:43 pmDenver Intl
Sep 6
DEN7:20 amDenver Intl
5h 43m
1 stop
PIT3:03 pmPittsburgh
$182
Find similar
American Airlines
Nov 5
ABE1:46 pmAllentown-Bethlehem
9h 22m
1 stop
DEN9:08 pmDenver Intl
Nov 8
DEN9:11 amDenver Intl
11h 42m
2 stops
ABE10:53 pmAllentown-Bethlehem
$186
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Allegiant Air flights from Pennsylvania to Denver

Our best Allegiant Air deals on Pennsylvania to Denver flight tickets
Allegiant Air
Oct 12
ABE7:30 amAllentown-Bethlehem
3h 55m
DEN9:25 amDenver Intl
Oct 16
DEN10:15 amDenver Intl
3h 27m
ABE3:42 pmAllentown-Bethlehem
$120
Find similar
Allegiant Air
Aug 31
ABE7:00 amAllentown-Bethlehem
4h 01m
DEN9:01 amDenver Intl
Sep 4
DEN10:35 amDenver Intl
3h 30m
ABE4:05 pmAllentown-Bethlehem
$124
Find similar
Allegiant Air
Aug 31
ABE7:00 amAllentown-Bethlehem
4h 01m
DEN9:01 amDenver Intl
Sep 7
DEN10:35 amDenver Intl
3h 30m
ABE4:05 pmAllentown-Bethlehem
$127
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania 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, momondo users made 832,500 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Pennsylvania to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Fri 9/5

10:56 pm-1:04 am

Nonstop4h 08m

Denver Intl

Sat 9/6

4:14 pm-10:11 pm

Nonstop3h 57m

$75

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sun 9/7

10:56 pm-1:04 am

Nonstop4h 08m

Denver Intl

Thu 9/11

4:14 pm-10:11 pm

Nonstop3h 57m

$76

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Sun 10/12

7:30 am-9:25 am

Nonstop3h 55m

Denver Intl

Thu 10/16

10:15 am-3:42 pm

Nonstop3h 27m

$120

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Sun 8/31

7:00 am-9:01 am

Nonstop4h 01m

Denver Intl

Thu 9/4

10:35 am-4:05 pm

Nonstop3h 30m

$124

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Sat 10/18

7:10 am-8:35 am

Nonstop3h 25m

Denver Intl

Sat 10/25

10:05 am-9:50 pm

2 stops9h 45m

$172

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Wed 9/24

6:30 pm-7:55 pm

Nonstop3h 25m

Denver Intl

Sun 10/5

6:25 pm-11:20 pm

Nonstop2h 55m

$174

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Wed 9/3

12:35 pm-4:43 pm

1 stop6h 08m

Denver Intl

Sat 9/6

8:27 am-5:29 pm

1 stop7h 02m

$177

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Wed 9/3

10:24 am-4:43 pm

2 stops8h 19m

Denver Intl

Sat 9/6

7:20 am-3:03 pm

1 stop5h 43m

$182

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Wed 10/8

3:50 pm-6:19 pm

Nonstop4h 29m

Denver Intl

Tue 10/14

11:59 pm-6:00 am

Nonstop4h 01m

$197

PittsburghDenver

PIT - DEN

PITDEN

Pittsburgh

Fri 10/17

7:21 pm-11:04 pm

1 stop5h 43m

Denver Intl

Mon 10/20

4:47 pm-12:32 am

1 stop5h 45m

$237

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Denver from

How to get the cheapest flight ticket from Pennsylvania to Denver

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Denver?

The cheapest month to fly to Denver from Pennsylvania is in September. Flight prices, which tend to average around $274, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in September, then you should wait until October to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $274.

What is the cheapest day to depart on your flight to Denver?

The cheapest day to depart on your flight to Denver is on a Wednesday when prices can be found for as low as $336. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Sunday, with ticket prices averaging around $399.

What is the cheapest time of day to depart on your flight to Denver?

The cheapest time of day to fly to Denver is in the evening when flights can be purchased for as low as $262. Flights in the afternoon are often more expensive with an average ticket price of $448.

What is the cheapest Pennsylvania to Denver Intl flight route?

Fly from Allentown-Bethlehem to Denver Intl for the best Pennsylvania - Denver Intl flight prices

How far in advance should I book a flight to Denver?

You are more likely to see cheaper flights to Denver from Pennsylvania when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $310 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Pennsylvania for as low as $262 on momondo.

What cabin class options are available on Pennsylvania to Denver Intl flights?

There are 4 cabin classes available to choose from on Pennsylvania to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Pennsylvania to Denver flights?

No. A direct flight is the cheapest option for a flight between Pennsylvania to Denver.

Cheap Pennsylvania to Denver flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Denver

Best Price Found

$38

Fastest flight time

3h 20m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Pennsylvania in the past 72 hours is $38. The best round-trip flight deal from Pennsylvania to Denver found on momondo in the last 72 hours is $75.
The fastest flight from Pennsylvania to Denver takes 3h 20m
Direct flights go from Pennsylvania to Denver every day.
There is 1 airport near Denver: Denver Intl (DEN)
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Denver Intl Airport?

    Prices for flights from Pennsylvania to Denver Intl Airport are updated daily.

  • How many operators does momondo search for flights from Pennsylvania to Denver Intl Airport?

  • How old do you have to be to fly from Pennsylvania to Denver Intl Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Pennsylvania to Denver Intl Airport.

  • What documentation or ID do you need to fly to Denver Intl Airport?

    The required travel and health documents for your Denver Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Denver Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Pennsylvania to Denver?

Best airlines flying from Pennsylvania to Denver

Compare and see reviews for airlines that fly from Pennsylvania to Denver with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $44Free CancellationRating
5.8
3,219 reviews
Search Frontier flights
Allegiant AirPriceFrom $106Free CancellationRating
7.2
701 reviews
Search Allegiant Air flights
DeltaPriceFrom $134Free CancellationRating
8.0
7,980 reviews
Search Delta flights
American AirlinesPriceFrom $168Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $192Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $194Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
JetBluePriceFrom $207Free CancellationRating
7.2
2,914 reviews
Search JetBlue flights
Sun Country AirPriceFrom $251Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Estes Park
Breckenridge
Black Hawk
Aurora
Fort Collins
Keystone
Cripple Creek
Longmont
Boulder
Manitou Springs
Lakewood
Greeley
Westminster
Thornton
Winter Park
Grand Lake
Copper Mountain
Silverthorne
Frisco
Centennial

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Denver?

It is quick and easy to find Pennsylvania to Denver flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Denver that suits you.

Can I find flights from Pennsylvania to Denver with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Pennsylvania to Denver flights to just show those with flexible booking policies.

How can momondo help me find flights from Pennsylvania to Denver?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to Denver.

I’m not ready to book a flight from Pennsylvania to Denver right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Pennsylvania to Denver flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Denver trip

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