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Cheap flights from Pennsylvania to Denver from $68

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 2/6. 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
0 bags

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Find the cheapest flights from Pennsylvania to Denver

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:37 pm - 11:04 pmIAD-DEN
9h 27m1 stop
Frontier Logo
12:59 am - 4:32 pmDEN-IAD
13h 33m1 stop
$129Frontier
Find Deal
Fri, Feb 20 - Thu, Feb 26
Frontier Logo
8:40 am - 1:45 pmIAD-DEN
7h 05m1 stop
Frontier Logo
12:59 am - 4:31 pmDEN-IAD
13h 32m1 stop
$130Frontier
Find Deal
Tue, Nov 18 - Wed, Nov 19
Frontier Logo
9:20 pm - 8:24 amIAD-DEN
13h 04m1 stop
Frontier Logo
11:25 pm - 11:09 amDEN-IAD
9h 44m1 stop
$131Frontier
Find Deal
Sat, Dec 6 - Sat, Dec 13
Multiple Airlines Logo
10:55 pm - 1:08 amLGA-DEN
4h 13mnonstop
Multiple Airlines Logo
6:40 am - 5:30 pmDEN-LGA
8h 50m1 stop
$143Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Nov 24
Multiple Airlines Logo
10:00 pm - 6:46 amLGA-DEN
10h 46m1 stop
Multiple Airlines Logo
8:05 am - 8:00 pmDEN-LGA
9h 55m1 stop
$146Multiple Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 17
Delta Logo
8:10 am - 10:53 amJFK-DEN
4h 43mnonstop
Delta Logo
7:10 am - 12:59 pmDEN-JFK
3h 49mnonstop
$157Delta
Find Deal
Thu, Dec 4 - Sat, Dec 13
Delta Logo
3:20 pm - 5:53 pmLGA-DEN
4h 33mnonstop
Delta Logo
6:46 am - 12:28 pmDEN-LGA
3h 42mnonstop
$157Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
United Airlines Logo
8:00 am - 10:22 amPHL-DEN
4h 22mnonstop
United Airlines Logo
5:50 pm - 11:22 pmDEN-PHL
3h 32mnonstop
$159United Airlines
Find Deal
Sat, Dec 6 - Tue, Dec 9
United Airlines Logo
6:29 pm - 9:03 pmLGA-DEN
4h 34mnonstop
United Airlines Logo
3:45 pm - 9:26 pmDEN-LGA
3h 41mnonstop
$165United Airlines
Find Deal
Tue, Dec 2 - Fri, Dec 5
JetBlue Logo
8:23 am - 11:05 amJFK-DEN
4h 42mnonstop
JetBlue Logo
11:28 pm - 5:00 amDEN-JFK
3h 32mnonstop
$167JetBlue
Find Deal
Sat, Dec 6 - Sun, Dec 14

Frontier flights from Pennsylvania to Denver

Our best Frontier deals on Pennsylvania to Denver flight tickets
Frontier
Feb 20
IAD3:37 pmWashington, D.C. Dulles Intl
9h 27m
1 stop
DEN11:04 pmDenver Intl
Feb 26
DEN12:59 amDenver Intl
13h 33m
1 stop
IAD4:32 pmWashington, D.C. Dulles Intl
$129
Find similar
Frontier
Nov 18
IAD8:40 amWashington, D.C. Dulles Intl
7h 05m
1 stop
DEN1:45 pmDenver Intl
Nov 19
DEN12:59 amDenver Intl
13h 32m
1 stop
IAD4:31 pmWashington, D.C. Dulles Intl
$130
Find similar
Frontier
Dec 6
IAD9:20 pmWashington, D.C. Dulles Intl
13h 04m
1 stop
DEN8:24 amDenver Intl
Dec 13
DEN11:25 pmDenver Intl
9h 44m
1 stop
IAD11:09 amWashington, D.C. Dulles Intl
$131
Find similar

Southwest flights from Pennsylvania to Denver

Our best Southwest deals on Pennsylvania to Denver flight tickets
Southwest
Dec 11
LGA7:15 amNew York LaGuardia
4h 30m
DEN9:45 amDenver Intl
Dec 15
DEN5:20 pmDenver Intl
3h 35m
LGA10:55 pmNew York LaGuardia
$179
Find similar
Southwest
Nov 15
IAD3:55 pmWashington, D.C. Dulles Intl
3h 55m
DEN5:50 pmDenver Intl
Nov 19
DEN10:30 amDenver Intl
3h 15m
IAD3:45 pmWashington, D.C. Dulles Intl
$332
Find similar
Southwest
Nov 15
IAD3:55 pmWashington, D.C. Dulles Intl
3h 55m
DEN5:50 pmDenver Intl
Nov 19
DEN6:30 amDenver Intl
8h 35m
1 stop
IAD5:05 pmWashington, D.C. Dulles Intl
$342
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 November 6, 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

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Fri 2/20

3:37 pm-11:04 pm

1 stop9h 27m

Denver Intl

Thu 2/26

12:59 am-4:32 pm

1 stop13h 33m

$129

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Tue 11/18

8:40 am-1:45 pm

1 stop7h 05m

Denver Intl

Wed 11/19

12:59 am-4:31 pm

1 stop13h 32m

$130

Washington, D.C.Denver

IAD - DEN

IADDEN

Washington, D.C. Dulles Intl

Sat 12/6

9:20 pm-8:24 am

1 stop13h 04m

Denver Intl

Sat 12/13

11:25 pm-11:09 am

1 stop9h 44m

$131

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Thu 11/13

10:55 pm-1:08 am

Nonstop4h 13m

Denver Intl

Mon 11/24

6:40 am-5:30 pm

1 stop8h 50m

$143

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Wed 11/12

10:00 pm-6:46 am

1 stop10h 46m

Denver Intl

Mon 11/17

8:05 am-8:00 pm

1 stop9h 55m

$146

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Thu 12/4

8:10 am-10:53 am

Nonstop4h 43m

Denver Intl

Sat 12/13

7:10 am-12:59 pm

Nonstop3h 49m

$157

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Sat 12/6

3:20 pm-5:53 pm

Nonstop4h 33m

Denver Intl

Sat 12/13

6:46 am-12:28 pm

Nonstop3h 42m

$157

PhiladelphiaDenver

PHL - DEN

PHLDEN

Philadelphia

Sat 12/6

8:00 am-10:22 am

Nonstop4h 22m

Denver Intl

Tue 12/9

5:50 pm-11:22 pm

Nonstop3h 32m

$159

New YorkDenver

LGA - DEN

LGADEN

New York LaGuardia

Tue 12/2

6:29 pm-9:03 pm

Nonstop4h 34m

Denver Intl

Fri 12/5

3:45 pm-9:26 pm

Nonstop3h 41m

$165

New YorkDenver

JFK - DEN

JFKDEN

New York John F Kennedy Intl

Sat 12/6

8:23 am-11:05 am

Nonstop4h 42m

Denver Intl

Sun 12/14

11:28 pm-5:00 am

Nonstop3h 32m

$167

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 $278, 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 July to fly from Pennsylvania, when ticket prices are also cheap, with an average price of $281.

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 $345. 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 $402.

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

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $278. Flights in the afternoon are often more expensive with an average ticket price of $442.

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 $315 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 $268 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

$106

Fastest flight time

3h 30m

Direct flights

Every day

Airports in Denver

1 airport
The best one-way flight to Denver from Pennsylvania in the past 72 hours is $106. The best round-trip flight deal from Pennsylvania to Denver found on momondo in the last 72 hours is $228.
The fastest flight from Pennsylvania to Denver takes 3h 30m
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 $75Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
Allegiant AirPriceFrom $106Free CancellationRating
7.2
697 reviews
Search Allegiant Air flights
JetBluePriceFrom $130Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $134Free CancellationRating
7.9
8,001 reviews
Search Delta flights
Sun Country AirPriceFrom $177Free CancellationRating
6.9
335 reviews
Search Sun Country Air flights
American AirlinesPriceFrom $184Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
United AirlinesPriceFrom $191Free CancellationRating
7.4
9,007 reviews
Search United Airlines flights
SouthwestPriceFrom $197Free CancellationRating
8.0
4,241 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
Keystone
Cripple Creek
Manitou Springs
Longmont
Boulder
Greeley
Lakewood
Thornton
Westminster
Winter Park
Copper Mountain
Silverthorne
Frisco
Centennial
Grand Lake

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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