Cheap flights from Philadelphia to Denver from C$ 222
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
10 Oct — 17 Oct1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Philadelphia to Denver Intl are usually found in January or April, booked 28 days in advance, depart on a Monday or Tuesday and return on a Monday
Cheap flight deals from Philadelphia to Denver
Enter your travel dates to find the best prices.
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One-way
Cheapest flights from Philadelphia to Denver
Explore the most affordable flight options available from Philadelphia to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.
Tue 20/105:30 a.m. -
Nonstop4h 05m
Tue 27/106:00 p.m. -
Nonstop3h 35m
Deal found 9/9C$ 443
Wed 11/111:16 p.m. -
1 stop6h 57m
Sat 14/112:00 p.m. -
Nonstop3h 31m
Deal found 10/9C$ 451
Thu 8/108:00 a.m. -
Nonstop4h 02m
Mon 12/105:37 p.m. -
Nonstop3h 43m
Deal found 8/9C$ 455
Wed 4/117:45 a.m. -
Nonstop4h 20m
Sat 7/111:25 p.m. -
1 stop7h 32m
Deal found 8/9C$ 456
Fri 13/113:35 p.m. -
Nonstop4h 20m
Mon 16/116:08 p.m. -
Nonstop3h 31m
Deal found 9/9C$ 458
Tue 15/121:15 p.m. -
1 stop6h 49m
Tue 5/19:35 a.m. -
1 stop6h 03m
Deal found 8/9C$ 463
Fri 2/103:55 p.m. -
Nonstop4h 12m
Tue 6/108:51 a.m. -
1 stop7h 23m
Deal found 9/9C$ 466
Thu 1/105:20 a.m. -
1 stop6h 00m
Mon 5/103:00 p.m. -
1 stop7h 40m
Deal found 8/9C$ 470
Fri 13/115:15 p.m. -
Nonstop4h 15m
Mon 16/116:30 a.m. -
1 stop5h 30m
Deal found 9/9C$ 472
Wed 4/117:30 a.m. -
2 stops10h 25m
Mon 9/112:45 p.m. -
1 stop7h 10m
Deal found 9/9C$ 477
Best flights from Philadelphia to Denver
Discover carefully curated flight deals from Philadelphia to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.
Thu 7/18:25 a.m. -
1 stop7h 51m
Tue 12/16:05 a.m. -
1 stop6h 54m
Deal found 9/9C$ 470
Fri 13/1112:10 p.m. -
Nonstop4h 10m
Sun 15/118:10 a.m. -
2 stops8h 35m
Deal found 9/9C$ 538
Sat 3/103:52 p.m. -
Nonstop4h 07m
Sat 10/105:37 p.m. -
Nonstop3h 43m
Deal found 6/9C$ 572
Wed 10/27:35 a.m. -
2 stops10h 15m
Mon 15/27:00 a.m. -
1 stop5h 00m
Deal found 6/9C$ 596
Tue 20/103:05 p.m. -
1 stop7h 01m
Sun 25/106:00 a.m. -
1 stop21h 44m
Deal found 9/9C$ 609
Thu 1/109:34 a.m. -
1 stop6h 58m
Sun 4/105:37 p.m. -
Nonstop3h 43m
Deal found 8/9C$ 647
Fri 5/35:05 a.m. -
Nonstop4h 15m
Sun 14/37:15 p.m. -
Nonstop3h 25m
Deal found 8/9C$ 622
Sun 18/107:20 a.m. -
1 stop17h 20m
Wed 28/1010:30 a.m. -
1 stop6h 48m
Deal found 9/9C$ 645
Wed 4/116:00 a.m. -
2 stops9h 35m
Sun 8/118:10 a.m. -
2 stops8h 35m
Deal found 7/9C$ 634
Fri 23/105:45 a.m. -
1 stop6h 17m
Mon 2/114:15 p.m. -
1 stop4h 53m
Deal found 5/9C$ 671
Fri 12/24:40 p.m. -
Nonstop4h 25m
Mon 15/26:25 a.m. -
1 stop5h 00m
Deal found 6/9C$ 636
Thu 24/94:05 p.m. -
Nonstop4h 00m
Wed 30/96:30 a.m. -
1 stop7h 30m
Deal found 6/9C$ 720
Direct flights from Philadelphia to Denver
Explore direct flight options from Philadelphia to Denver based on user searches, and compare prices and availability for your desired travel dates. Data last updated 10 September 2026.
Tue 20/105:30 a.m. -
Nonstop4h 05m
Tue 27/106:00 p.m. -
Nonstop3h 35m
Deal found 9/9C$ 443
Thu 8/108:00 a.m. -
Nonstop4h 02m
Mon 12/105:37 p.m. -
Nonstop3h 43m
Deal found 8/9C$ 455
Fri 13/113:35 p.m. -
Nonstop4h 20m
Mon 16/116:08 p.m. -
Nonstop3h 31m
Deal found 9/9C$ 458
Sat 10/105:25 a.m. -
Nonstop4h 05m
Tue 13/106:00 p.m. -
Nonstop3h 35m
Deal found 7/9C$ 472
Fri 13/115:15 p.m. -
Nonstop4h 15m
Mon 16/116:00 p.m. -
Nonstop3h 25m
Deal found 8/9C$ 473
Wed 30/96:00 a.m. -
Nonstop3h 55m
Sat 10/105:40 p.m. -
Nonstop3h 35m
Deal found 9/9C$ 487
Sat 7/114:40 p.m. -
Nonstop4h 10m
Wed 11/116:00 p.m. -
Nonstop3h 25m
Deal found 7/9C$ 500
Tue 27/105:30 a.m. -
Nonstop4h 05m
Sun 1/112:05 p.m. -
Nonstop3h 20m
Deal found 10/9C$ 502
Sat 12/125:20 a.m. -
Nonstop4h 20m
Sat 12/1211:45 a.m. -
Nonstop3h 25m
Deal found 7/9C$ 503
Wed 6/18:00 a.m. -
Nonstop4h 05m
Fri 15/15:25 p.m. -
Nonstop3h 21m
Deal found 9/9C$ 516
Fri 13/113:35 p.m. -
Nonstop4h 20m
Sun 15/112:00 p.m. -
Nonstop3h 31m
Deal found 9/9C$ 517
Mon 21/127:35 a.m. -
Nonstop4h 29m
Sat 2/111:59 p.m. -
Nonstop3h 32m
Deal found 8/9C$ 518
Last-minute flights from Philadelphia to Denver
Discover last-minute flight deals from Philadelphia to Denver. Data last updated 10 September 2026 and is based on user searches.
Wed 30/96:00 a.m. -
Nonstop3h 55m
Sat 10/105:40 p.m. -
Nonstop3h 35m
Deal found 9/9C$ 487
Thu 1/109:34 a.m. -
1 stop7h 43m
Mon 5/105:37 p.m. -
Nonstop3h 43m
Deal found 8/9C$ 456
Thu 1/105:20 a.m. -
1 stop6h 00m
Mon 5/103:00 p.m. -
1 stop7h 40m
Deal found 8/9C$ 470
Fri 2/105:15 p.m. -
Nonstop4h 05m
Mon 5/107:35 p.m. -
Nonstop3h 35m
Deal found 7/9C$ 458
Fri 2/103:55 p.m. -
Nonstop4h 12m
Tue 6/108:51 a.m. -
1 stop7h 23m
Deal found 9/9C$ 466
Thu 8/108:00 a.m. -
Nonstop4h 02m
Mon 12/105:37 p.m. -
Nonstop3h 43m
Deal found 8/9C$ 455
Tue 20/105:30 a.m. -
Nonstop4h 05m
Tue 27/106:00 p.m. -
Nonstop3h 35m
Deal found 9/9C$ 443
Fri 23/105:10 p.m. -
2 stops10h 30m
Mon 26/107:35 p.m. -
Nonstop3h 35m
Deal found 10/9C$ 478
Fri 23/107:16 p.m. -
1 stop6h 28m
Sat 24/101:25 p.m. -
1 stop8h 25m
Deal found 9/9C$ 485
Tue 27/101:20 p.m. -
1 stop6h 53m
Tue 3/112:00 p.m. -
Nonstop3h 31m
Deal found 9/9C$ 451
Fri 30/104:59 p.m. -
1 stop8h 32m
Mon 2/116:08 p.m. -
Nonstop3h 31m
Deal found 8/9C$ 472
One-way flights from Philadelphia to Denver
Search for one-way flight options from Philadelphia to Denver. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.
Tue 20/105:30 a.m. -
Nonstop4h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 9/9C$ 222
Thu 5/115:45 a.m. -
1 stop6h 17m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 236
Fri 6/1112:10 p.m. -
Nonstop4h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 9/9C$ 237
Tue 13/106:00 a.m. -
2 stops7h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 8/9C$ 243
Tue 6/105:30 a.m. -
Nonstop4h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/9C$ 251
Sat 6/34:50 p.m. -
1 stop7h 00m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/9C$ 265
Sun 20/1212:31 p.m. -
1 stop7h 49m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 10/9C$ 266
Wed 9/127:30 a.m. -
2 stops10h 25m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/9C$ 272
Tue 9/37:00 a.m. -
1 stop10h 09m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 7/9C$ 278
Fri 18/1212:19 p.m. -
1 stop21h 42m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 5/9C$ 287
Find flight deals from Philadelphia to Denver
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 10 September 2026.
Customize your flight search to find flights from Philadelphia 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 7,457,451 searches. Data last updated 10 September 2026.
Use the filters below to find and compare flights from Philadelphia to Denver that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest round-trip
Quickest round-trip
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Wed 30/9
10:05 a.m.-12:10 p.m.
Nonstop4h 05m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 222
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Tue 27/10
7:45 a.m.-10:05 a.m.
Nonstop4h 20m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 222
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Wed 20/1
5:20 a.m.-7:35 a.m.
Nonstop4h 15m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 251
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Sat 6/3
5:45 a.m.-11:10 a.m.
2 stops7h 25m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 272
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Fri 18/12
12:19 p.m.-8:01 a.m.
1 stop21h 42m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 287
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Sat 17/10
10:05 a.m.-12:10 p.m.
Nonstop4h 05m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 291
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Mon 9/11
10:00 a.m.-12:20 p.m.
Nonstop4h 20m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 291
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Wed 7/10
5:30 a.m.-7:35 a.m.
Nonstop4h 05m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 302
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Fri 23/10
10:05 a.m.-12:10 p.m.
Nonstop4h 05m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 306
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Sun 15/11
5:00 a.m.-7:15 a.m.
Nonstop4h 15m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 312
Flights are sorted by cheapest round-trip flights first.
Deals found on 8/9
Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Philadelphia to Denver
Have a flexible travel schedule? Discover the best time to fly to Denver from Philadelphia with our price prediction graph.
PHL-DEN
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 Philadelphia to Denver
Prices
Airlines
Delays
How far ahead should I book a flight from Philadelphia to Denver?
To ensure you get the cheapest price possible for a flight from Philadelphia to Denver, you should look to book at least 27 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 Philadelphia to Denver?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Denver (average of C$ 421). Flying from Philadelphia to Denver in June is currently the most expensive (average of C$ 648). 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 PHL to DEN?
Find hourly flight availability from Philadelphia 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 10 September 2026.
When flying from Philadelphia to Denver, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 68% versus a flight in the morning.
How much does it cost to fly round-trip from Philadelphia to Denver?
Airfare is below average for this route at the moment.
Philadelphia to Denver flights typically cost between C$ 449 and C$ 654 in October.The cheapest round-trip price found within the last 5 days was C$ 443 on Southwest (20 Oct-27 Oct).
Weekly flight availability from Philadelphia to Denver
Explore weekly flight availability from Philadelphia to Denver. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 10 September 2026.
The most flights from PHL to DEN are scheduled on a Tuesday (18 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (2 on average).
How often are flights from Philadelphia to Denver delayed?
About 19% of weekly flights between Philadelphia and Denver have experienced delays in the past year, with the average delay time being 158 minutes.
What is the most punctual flight time for Philadelphia to Denver flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Tuesday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Philadelphia to Denver flights?
Over the past year, United Airlines has had the lowest number of delays on this route, with just 12% of flights being delayed.
Related info for your journey
Find useful and relevant information for your journey from Philadelphia to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How popular is this Philadelphia to Denver flight route?
This flight path from Philadelphia to Denver Intl was viewed by 11 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 Philadelphia to Denver?
Airlines like Delta, Southwest, and United Airlines fly from Philadelphia to Denver in about 4h 07m. The time it takes to get you to your destination can typically vary by up to 3h 44m. Airlines will cover a distance of 2499 km. This flight may include one or multiple stops.
What are the most reliable airlines from Philadelphia to Denver?
No one likes to see their flight delayed. When booking a flight from Philadelphia to Denver consider choosing Volaris (75%), United Airlines (70%) or Air Canada (66%) as they are the most reliable in getting you off to your destination on time.
Can I find deals for flights from Philadelphia to Denver that include hotel bookings?
Yes. In addition to deals on Philadelphia to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Philadelphia to Denver?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Philadelphia to Denver.
Can I find deals for business class flights from Philadelphia to Denver?
Yes. Cheapflights offers flight deals from Philadelphia 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 Philadelphia to Denver?
Currently, January is the cheapest month in which you can book a flight from Philadelphia to Denver (average of C$ 421). Flying from Philadelphia to Denver in June is currently the most expensive (average of C$ 648). 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.
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Philadelphia to Denver?
Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Philadelphia to Denver. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.
Why should you use Cheapflights to find cheap flight tickets from Philadelphia to Denver?
Millions of users choose and trust Cheapflights to book the best flight deals from Philadelphia to Denver for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.
Can Cheapflights find flights from Philadelphia to Denver with no change fees?
Yes! Cheapflights helps users easily find flights from Philadelphia to Denver with no change fees.
Can Cheapflights notify me if prices for flights from Philadelphia to Denver become cheaper?
Yes! Start tracking prices for Philadelphia to Denver flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.
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