$84 Find Cheap Flights from Philadelphia to Estes Park

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Philadelphia to Estes Park departing on 4/13. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$166
Overall average: $311
Frontier
Sun 4/12Sun 4/19
PHL - DEN • Non-stop
Cheapest one-way
$84
Typical prices: $118-$238
Frontier
Mon 4/13
PHL - DEN • Non-stop
Arrival airport
You can't fly directly to Estes Park. It is served by Denver (DEN), located 57.3 miles from Estes Park.
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Flight Deals
Useful Info
Flight Deals

Cheap Flights from Philadelphia to Estes Park (PHL-DEN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Philadelphia to Estes Park that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Philadelphia to Estes Park

Sun, Apr 12 - Sun, Apr 19
Frontier Logo
8:25 pm - 10:53 pm
PHL
-
DEN
4h 28mnonstop
Frontier Logo
11:59 pm - 5:34 am
DEN
-
PHL
3h 35mnonstop
$166Frontier
Thu, May 7 - Sun, May 10
Frontier Logo
8:35 pm - 11:04 pm
PHL
-
DEN
4h 29mnonstop
Frontier Logo
11:59 pm - 5:37 am
DEN
-
PHL
3h 38mnonstop
$167Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
7:45 am - 2:32 pm
PHL
-
DEN
8h 47m
1 stop
Frontier Logo
11:59 pm - 5:37 am
DEN
-
PHL
3h 38mnonstop
$168Frontier
Thu, Apr 16 - Sun, Apr 19
Frontier Logo
5:05 am - 12:09 pm
PHL
-
DEN
9h 04m
1 stop
Frontier Logo
3:45 pm - 9:29 am
DEN
-
PHL
15h 44m
1 stop
$169Frontier
Mon, May 4 - Fri, May 8
Frontier Logo
10:38 pm - 8:24 am
PHL
-
DEN
11h 46m
1 stop
Frontier Logo
9:54 pm - 11:57 am
DEN
-
PHL
12h 03m
1 stop
$170Frontier
Fri, May 15 - Mon, May 18
Frontier Logo
8:35 pm - 11:04 pm
PHL
-
DEN
4h 29mnonstop
Frontier Logo
11:59 pm - 5:37 am
DEN
-
PHL
3h 38mnonstop
$171Frontier
Thu, Apr 30 - Sat, May 2
Frontier Logo
3:41 pm - 10:49 pm
PHL
-
DEN
9h 08m
1 stop
Frontier Logo
7:05 pm - 5:25 am
DEN
-
PHL
8h 20m
1 stop
$172Frontier
Thu, May 14 - Tue, May 19
Frontier Logo
8:35 pm - 11:04 pm
PHL
-
DEN
4h 29mnonstop
Frontier Logo
11:59 pm - 5:37 am
DEN
-
PHL
3h 38mnonstop
$173Frontier
Tue, Apr 21 - Sat, Apr 25
Multiple Airlines Logo
8:36 pm - 11:04 pm
PHL
-
DEN
4h 28mnonstop
Multiple Airlines Logo
8:00 am - 11:37 pm
DEN
-
PHL
13h 37m
2 stops
$174Multiple Airlines
Wed, May 13 - Sat, May 16
Frontier Logo
1:30 pm - 10:24 pm
PHL
-
DEN
10h 54m
1 stop
Frontier Logo
11:59 pm - 5:37 am
DEN
-
PHL
3h 38mnonstop
$175Frontier
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$84
Best time to beat the crowds with an average 2% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Philadelphia to Denver

When to book flights from Philadelphia to Estes Park

Are your dates flexible? Find out the best times to travel from Philadelphia to Estes Park based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

FAQs for booking flights from Philadelphia to Estes Park

  • Which airports will I be using when flying from Philadelphia to Estes Park?

    When flying out of Philadelphia you’ll be using Philadelphia. Estes Park does not have its own airport so you’ll be flying into nearby Denver Intl airport, which is 57.3 mi away.

  • How long does a flight from Philadelphia to Estes Park take?

    Direct flights cover the 1,553 miles separating Philadelphia and Estes Park in about 4h 05m.

  • How many flights are there between Philadelphia and Estes Park?

    18 direct flights run between Philadelphia and Estes Park on a daily basis. On average, there are about 131 departures each week.

  • What’s the cheapest day of the week to fly between Philadelphia and Estes Park?

    Consider leaving on a Sunday and avoid Saturdays if you are looking for the best rates. For your return to Philadelphia, you’ll find the best rates on Sundays and the most expensive ones on Wednesdays.

  • How does KAYAK find such low prices on flights from Philadelphia to Estes Park?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Philadelphia to Estes Park.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Philadelphia to Estes Park?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Estes Park from Philadelphia is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Philadelphia to Estes Park?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Estes Park with an airline and back to Philadelphia with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Philadelphia to Estes Park?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Estes Park from Philadelphia up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • Which airlines provide the cheapest flights from Philadelphia to Estes Park?

    In the last 72 hours, the cheapest one-way ticket between Philadelphia and Estes Park found on KAYAK was with Frontier for $65. Frontier offered a round-trip connection from $104 and Allegiant Air from $106.

Top tips for finding cheap flights from Philadelphia to Estes Park

  • There is no airport in Estes Park. Instead, you’ll be flying into Denver Airport when flying between Philadelphia and Estes Park.
  • The cheapest flight from Philadelphia to Estes Park was found 32 days before departure, on average.
  • Book at least 1 week before departure in order to get a below-average price.
  • High season is considered to be February, March and April. The cheapest month to fly is July.

Reviews of the top 5 airlines serving Philadelphia to Estes Park

 
Need help choosing which airline to fly with from Philadelphia to Estes Park? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4320 reviews
7.0Food
8.0Comfort
8.6Crew
8.1Boarding
7.5Entertainment
Airline reviews

Boarding was easy. The seats are small and fairly uncomfortable

8.0 ExcellentNicole, Mar 2026
LGB - OAK
Read more Southwest reviews

Boarding was easy. The seats are small and fairly uncomfortable

I was supposed to be on a later flight. When I showed up at the gate, the woman working there was extremely helpful getting moved up to this earlier flight.

We had a 5 hour delay on the tarmac in Baltimore

Long layover between flights to Long Island from BWI - need better coordination between flights

I elected to pay for the upgrades and found very little difference

The new seating arrangement is so over priced for what you get.

The problem with the seat assignments is that there were a lot of rows in the front that were empty but my row at the back was full. Just not so pleasant.

No food or entertainment, just a quick 40 minute flight. A little bumpy due to Santa Ana winds but pilot has no control over that. Good flight and landing!

Good but I prefer choose your own seat. With the new assigned seats they should board from the back I see no advantage to this new boarding. Just like every other airline

I realize they are still working out kinks with the new boarding process, but by the time I boarded in group 5, most of the bins were full. All airlines should better enforce small bags and jackets going under the seats until everyone has boarded.

8 hours late and the plane smelled like urine, that smell in the morning when your child wet the bed in the night.

My flight was canceled on Sunday. Rebooking took three hours. Had to pay for accommodations another night. New flight was delayed for 5 hours, all that was sent was a 12 dollar food voucher, which doesn’t tell you how to use it. Then when we landed we had to sit on the plane for an hour before we could get off.

Miserable. This entire round trip was miserable. I booked evening flights to and from Detroit on consecutive days that should have had me at my destination by 10:30. Instead I arrived after 3am on my flight to Detroit and after midnight on my return. Multiple unforced errors like awaiting bags to get put on the plane for almost an hour in Detroit and a 20 minute delay to pull up to the gate in Atlanta has me rethinking my assumption that delta is the best and most reliable airline

Perhaps when you’re sitting in 1st class and the crew closes the bathroom for the pilots, there could be a notification other than holding your hands up as a blockade when you get there and you’re told the restrooms are closed please turn around … especially at night when visibility is poor and you’re met by a flight attendants with their arms up

First class is comfortable. Enjoyed a movie and was able to relax compared to coach.

Loved flying First Class. Very comfortable. The seat was amazing. Enjoyed a movie and was able to relax so much better than in coach.

We landed and sat on the tarmac for 45 minutes because they only have one gate at the airport and there was another plane running late so we had to wait

The WiFi was not working. That made for a long flight.

Absolutely no communication on why there's a delay and multiple flight time reschedules. I would have canceled the flight and drove back home if I known it was going to be rescheduled 3 or 4 times.

Another late night flight and MORE men belligerently drinking and yelling. I had to move from first to economy because they were so obnoxious and disruptive. Crazy to go from a cozy chair to cardboard when you were supposed to be in first. Delta allows was too much drinking which leads to belligerent behavior.

Seats are uncomfortable. This has been a trend in the industry for decades. Trying to fit more seats on each plane to increase profits at the expense of the passenger.

It’s always a great time flying with united airlines.

We got delayed three hours and nobody thought to have the bathroom fixed while we were sitting waiting to board? took a full hour to have maintenance come and check it off. Had to shut the bathroom down twice so that the pilots could go to the bathroom. Everyone missed their connections.

Women boarding passengers at the gate was absolutely rude and disrespectful of passengers. The flight attendant was absolutely delightful! Smiling and connected with the passengers. So happy. The seats are cramped and uncomfortable but I guess that’s just the way it is Communication regarding flight was excellent

As great a red-eye flight as red-eye flights can be.

Both of my flights arrived early and check in process was smooth

Everything was on time Will use united again for sure

The flight was delayed by two de-icings. The seatbelt did not work correctly. It did not stay tight.

Hotter than Hades in August. Why, why do crews think that in the winter when we are already dressed for cold weather we need a cabin that is 82 degrees. Even the vents were blowing hot air.

Flight was delayed. De-icing took a while. When we landed had to wait for another plane to vacate our gate. Just an overall bad experience.

It would have been nice if American tried to care.

Delayed initially because they couldn’t print the flight details. Poor instruction on delay. When I got on the plane the flight attendant argued with me about whether my carry on would fit (it did, although she didn’t acknowledge that). No greeting (other than arguing with me) getting on or off the plane.

Beverage service was not good. Also just one service in 5 hr 30 min flight. No ask fir water ir anything beside one time beverage service.

They are always late and seats was also not having working charger

This flight captain and crew were amazing, started ahead of time of departure and reached 30 mins before arrival time. Amazing!

Long delays, lack of information about the status of the flight. The flight was delayed 4 times.

Everything about the flight was lovely. My only suggestion would be to offer a few more options of tv series from Apple TV or HBO.

Delays to take off and to leave the plane after landing added a lot of time to this flight.

The Phildalphia to Allentown portion was a BUS, not a plane. All was as expected.

Excellent - explanations were clear staff was nice and flight was comfortable

More inflight connection. And leg space is horrible. And the paying for baggage I'd ridiculous!!!

First of all we hade waited 3 hours in the airplane waiting to leave. Second the return schedule was changed and it messed up my entire vaction. I won't buy never again another flight and recommend to nobody traveling with them.

I am writing to express my disappointment with my recent Frontier Airlines flight. I was charged $99 at the gate because my bag was said to be too large, yet once onboard there was no available overhead bin space, and I was required to place the bag under the seat in front of me anyway. This made the charge feel unnecessary and unfair. Additionally, before the flight even took off, I was asked to move from the seat I paid for into a middle seat so another passenger and her cat could have my seat to themselves. I was not offered compensation or an explanation for being moved from a paid seat. Between the unexpected bag fee and being forced to give up my seat, this experience fell well below acceptable customer service standards. I would appreciate a review of this situation and appropriate compensation.

It was costly and difficult to check in. $85 to take a small suitcase with me, carry on or checked and $75 on the return trip, Plus $25 if I didn't check my self in check in $25, because I couldn't do it on the kiosk. Small very uncomfortable seats, waited on the runway for near an hour each way. It was my worst flight to date.

Due to weather, my flight was delayed, further delayed, then canceled. I eventually got through to a support person who helped me find a different route out of MSP, but to get to DIA, they didn't want to, but eventually did help with the connection ticket purchase. But even this replacement flight was delayed time and time again, and I would have missed my connecting flights and I didn't want to get stuck in a layover city, so after 12 hours at the airport with two young boys who were very tired, we just cancelled our plans and spent the week at home, instead of Nana's.

Terrible. Flight cancelled with no reasoning and no flights to rebook. Employees were useless and did nothing to help. Did not even know where to retrieve luggage from the cancelled flight. Flyers beware.

I knew going into this that Frontier, being a low cost carrier, would be pretty bare bones and charge for most extras but this was made up for by the fact that the airplane was a reasonably new Airbus, every employee was great and best of all, Everett Washington is an amazing airport - thanks Frontier for flying there!!!

Seats were new and comfortable. Staff was fine. Missed my connection due to weather -which wasn’t their fault- but got no help at all. Gate staff sent me to customer service, which was and stayed unstaffed. Sign with QR code directed me to call or chat. Chat was useless. Call was returned after an hour. No itinerary offered by Frontier could get me home in less than 30 hours. Rebooked with another airline and got a partial refund that came to about 10 percent of what I paid to get home.

The experience was good. No frills but I got there safe and sound and on time.

sluggish boarding and arrival procedures, fake nice flight attendants, and lots of delays.

Everything you need to know for your flight from Philadelphia to Estes Park

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