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Cheap flights from Pennsylvania to Denver from $58

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 8/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Pennsylvania to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Allegiant Air Logo
8:00 am - 9:46 am
ABE
-
DEN
3h 46mnonstop
Allegiant Air Logo
9:36 am - 3:08 pm
DEN
-
ABE
3h 32mnonstop
$125Allegiant Air
Mon, Sep 7 - Fri, Sep 11
Allegiant Air Logo
7:30 am - 9:16 am
ABE
-
DEN
3h 46mnonstop
Allegiant Air Logo
9:36 am - 3:08 pm
DEN
-
ABE
3h 32mnonstop
$131Allegiant Air
Mon, Sep 14 - Fri, Sep 18
Frontier Logo
8:30 am - 10:05 pm
PHL
-
DEN
15h 35m
1 stop
Frontier Logo
6:05 am - 11:49 am
DEN
-
PHL
3h 44mnonstop
$236Frontier
Wed, Jul 15 - Sat, Jul 18
Frontier Logo
8:30 am - 2:01 pm
PHL
-
DEN
7h 31m
1 stop
Frontier Logo
10:00 am - 10:28 pm
DEN
-
PHL
10h 28m
1 stop
$237Frontier
Wed, Aug 5 - Wed, Aug 12
Multiple Airlines Logo
12:44 pm - 2:58 pm
PHL
-
DEN
4h 14mnonstop
Multiple Airlines Logo
11:37 pm - 8:22 am
DEN
-
PHL
6h 45m
1 stop
$239Multiple Airlines
Thu, Aug 6 - Wed, Aug 12
Multiple Airlines Logo
12:44 pm - 2:58 pm
PHL
-
DEN
4h 14mnonstop
Multiple Airlines Logo
11:37 pm - 8:22 am
DEN
-
PHL
6h 45m
1 stop
$243Multiple Airlines
Thu, Aug 6 - Wed, Aug 12
Delta Logo
12:36 pm - 5:57 pm
MDT
-
DEN
7h 21m
1 stop
Delta Logo
7:15 am - 5:23 pm
DEN
-
MDT
8h 08m
1 stop
$273Delta
Sat, Sep 5 - Sat, Sep 12
Delta Logo
7:50 pm - 10:45 pm
JFK
-
DEN
4h 55mnonstop
Delta Logo
6:35 am - 12:27 pm
DEN
-
JFK
3h 52mnonstop
$277Delta
Sat, Jul 4 - Wed, Jul 8
American Airlines Logo
3:28 pm - 10:15 pm
MDT
-
DEN
8h 47m
2 stops
American Airlines Logo
8:18 am - 6:13 pm
DEN
-
MDT
7h 55m
1 stop
$278American Airlines
Sat, Sep 5 - Sat, Sep 12
American Airlines Logo
2:45 pm - 7:19 pm
MDT
-
DEN
6h 34m
1 stop
American Airlines Logo
11:59 pm - 9:02 am
DEN
-
MDT
7h 03m
1 stop
$302American Airlines
Sat, Aug 8 - Sat, Aug 15

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Delta flights from Pennsylvania to Denver

Our best Delta deals on Pennsylvania to Denver flight tickets
Delta
Sep 5
MDT12:36 pmHarrisburg
7h 21m
1 stop
DEN5:57 pmDenver Intl
Sep 12
DEN7:15 amDenver Intl
8h 08m
1 stop
MDT5:23 pmHarrisburg
$273
Delta
Jul 4
LGA2:45 pmNew York LaGuardia
4h 37m
DEN5:22 pmDenver Intl
Jul 8
DEN7:35 amDenver Intl
3h 44m
LGA1:19 pmNew York LaGuardia
$277
Delta
Jul 4
JFK7:50 pmNew York John F Kennedy Intl
4h 55m
DEN10:45 pmDenver Intl
Jul 11
DEN6:35 amDenver Intl
3h 52m
JFK12:27 pmNew York John F Kennedy Intl
$278

United Airlines flights from Pennsylvania to Denver

Our best United Airlines deals on Pennsylvania to Denver flight tickets
United Airlines
Sep 2
LGA8:05 amNew York LaGuardia
6h 40m
1 stop
DEN12:45 pmDenver Intl
Sep 9
DEN3:47 pmDenver Intl
3h 53m
LGA9:40 pmNew York LaGuardia
$282
United Airlines
Jul 4
LGA3:20 pmNew York LaGuardia
4h 36m
DEN5:56 pmDenver Intl
Jul 11
DEN3:01 pmDenver Intl
6h 14m
1 stop
LGA11:15 pmNew York LaGuardia
$287
United Airlines
Aug 4
LGA6:29 pmNew York LaGuardia
4h 33m
DEN9:02 pmDenver Intl
Aug 12
DEN11:33 amDenver Intl
3h 53m
LGA5:26 pmNew York LaGuardia
$291

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 June 22, 2026.
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

Cheapest round-trip
Quickest round-trip

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 9/7

8:00 am-9:46 am

Nonstop3h 46m

Denver Intl

Fri 9/11

9:36 am-3:08 pm

Nonstop3h 32m

$125

AllentownDenver

ABE - DEN

ABEDEN

Allentown-Bethlehem

Mon 9/14

7:30 am-9:16 am

Nonstop3h 46m

Denver Intl

Fri 9/18

9:36 am-3:08 pm

Nonstop3h 32m

$131

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Wed 7/15

8:30 am-10:05 pm

1 stop15h 35m

Denver Intl

Sat 7/18

6:05 am-11:49 am

Nonstop3h 44m

$236

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Wed 8/5

8:30 am-2:01 pm

1 stop7h 31m

Denver Intl

Wed 8/12

10:00 am-10:28 pm

1 stop10h 28m

$237

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Thu 8/6

12:44 pm-2:58 pm

Nonstop4h 14m

Denver Intl

Wed 8/12

11:37 pm-8:22 am

1 stop6h 45m

$239

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Thu 8/6

12:44 pm-2:58 pm

Nonstop4h 14m

Denver Intl

Wed 8/12

11:37 pm-8:22 am

1 stop6h 45m

$243

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sat 9/5

12:36 pm-5:57 pm

1 stop7h 21m

Denver Intl

Sat 9/12

7:15 am-5:23 pm

1 stop8h 08m

$273

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sat 7/4

7:50 pm-10:45 pm

Nonstop4h 55m

Denver Intl

Wed 7/8

6:35 am-12:27 pm

Nonstop3h 52m

$277

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sat 9/5

3:28 pm-10:15 pm

2 stops8h 47m

Denver Intl

Sat 9/12

8:18 am-6:13 pm

1 stop7h 55m

$278

HarrisburgDenver

MDT - DEN

MDTDEN

Harrisburg

Sat 8/8

2:45 pm-7:19 pm

1 stop6h 34m

Denver Intl

Sat 8/15

11:59 pm-9:02 am

1 stop7h 03m

$302

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 August. Flight prices, which tend to average around $262, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in August, then you should wait until October to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $284.

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 Friday when prices can be found for as low as $360. 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 $456.

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 $274. Flights in the afternoon are often more expensive with an average ticket price of $436.

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 from Pennsylvania 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 $343 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 $270 on momondo.

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

There are 4 cabin classes available to choose from on Pennsylvania to Denver 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

$93

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 $93. The best round-trip flight deal from Pennsylvania to Denver found on momondo in the last 72 hours is $195.
The fastest flight from Pennsylvania to Denver takes 3h 20m
Direct flights go from Pennsylvania to Denver every day.
There is 1 airport in Denver. From Pennsylvania there are direct flights to Denver Intl (DEN).
Search flight deals

Frequently asked questions about flying from Pennsylvania to Denver

  • 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 $74Free CancellationRating
5.6
2,871 reviews
Search Frontier flights
Allegiant AirPriceFrom $127Free CancellationRating
7.3
692 reviews
Search Allegiant Air flights
JetBluePriceFrom $145Free CancellationRating
7.1
2,996 reviews
Search JetBlue flights
United AirlinesPriceFrom $148Free CancellationRating
7.4
9,875 reviews
Search United Airlines flights
DeltaPriceFrom $169Free CancellationRating
7.8
8,421 reviews
Search Delta flights
American AirlinesPriceFrom $184Free CancellationRating
7.1
11,739 reviews
Search American Airlines flights
SouthwestPriceFrom $201Free CancellationRating
7.9
4,243 reviews
Search Southwest flights

Traveling to a place near Denver?

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

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.

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