Cheap flights from Philadelphia to Denver from C$ 227
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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — DEN
18 Nov — 25 Nov1
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 April or January, 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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Best
Direct
Last-minute
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 19 October 2026.
Sat 14/111:16 p.m. -
1 stop6h 57m
Mon 16/116:08 p.m. -
Nonstop3h 31m
Deal found 19/10C$ 344
Wed 9/129:45 a.m. -
1 stop6h 34m
Sat 12/126:10 p.m. -
Nonstop3h 31m
Deal found 19/10C$ 348
Wed 11/1110:54 a.m. -
1 stop7h 29m
Fri 13/116:08 p.m. -
Nonstop3h 31m
Deal found 19/10C$ 350
Fri 13/119:45 a.m. -
1 stop7h 32m
Mon 16/116:08 p.m. -
Nonstop3h 31m
Deal found 19/10C$ 351
Sun 15/115:00 a.m. -
Nonstop4h 15m
Tue 17/116:00 p.m. -
Nonstop3h 30m
Deal found 19/10C$ 354
Fri 4/129:55 a.m. -
Nonstop4h 20m
Sun 20/1211:59 p.m. -
Nonstop3h 32m
Deal found 19/10C$ 355
Sat 5/125:20 a.m. -
Nonstop4h 20m
Sat 12/125:30 p.m. -
Nonstop3h 20m
Deal found 19/10C$ 358
Wed 16/129:45 a.m. -
1 stop6h 34m
Wed 30/124:20 p.m. -
1 stop6h 14m
Deal found 19/10C$ 362
Fri 4/129:55 a.m. -
Nonstop4h 20m
Sun 6/129:52 a.m. -
1 stop6h 05m
Deal found 19/10C$ 364
Fri 13/116:30 a.m. -
1 stop8h 49m
Mon 16/112:24 p.m. -
1 stop8h 30m
Deal found 19/10C$ 365
Sun 22/115:00 a.m. -
Nonstop4h 15m
Fri 27/116:30 a.m. -
1 stop5h 20m
Deal found 19/10C$ 370
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 19 October 2026.
Sat 5/123:45 p.m. -
1 stop6h 05m
Sat 12/125:30 p.m. -
Nonstop3h 20m
Deal found 19/10C$ 372
Tue 5/17:46 a.m. -
Nonstop4h 29m
Fri 8/19:35 a.m. -
1 stop6h 09m
Deal found 19/10C$ 475
Thu 31/122:45 p.m. -
1 stop9h 00m
Mon 4/17:55 a.m. -
1 stop8h 00m
Deal found 19/10C$ 461
Fri 18/125:00 a.m. -
Nonstop4h 15m
Sat 19/127:30 p.m. -
Nonstop3h 25m
Deal found 16/10C$ 495
Sun 21/28:00 a.m. -
Nonstop4h 05m
Sat 27/26:05 a.m. -
1 stop6h 17m
Deal found 18/10C$ 566
Mon 7/125:00 a.m. -
Nonstop4h 20m
Wed 9/126:00 p.m. -
Nonstop3h 25m
Deal found 15/10C$ 509
Tue 17/117:45 a.m. -
Nonstop4h 20m
Tue 24/116:08 p.m. -
Nonstop3h 31m
Deal found 17/10C$ 568
Fri 13/1110:00 a.m. -
Nonstop4h 20m
Sun 15/116:08 p.m. -
Nonstop3h 31m
Deal found 16/10C$ 590
Thu 21/14:40 p.m. -
Nonstop4h 25m
Sun 24/16:00 p.m. -
Nonstop3h 25m
Deal found 15/10C$ 590
Wed 18/1110:00 a.m. -
Nonstop4h 20m
Thu 19/112:00 p.m. -
Nonstop3h 31m
Deal found 14/10C$ 632
Thu 31/123:50 p.m. -
Nonstop4h 27m
Mon 4/111:59 p.m. -
Nonstop3h 32m
Deal found 19/10C$ 692
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 19 October 2026.
Tue 19/15:20 a.m. -
Nonstop4h 15m
Tue 26/16:00 p.m. -
Nonstop3h 25m
Deal found 18/10C$ 348
Fri 4/129:55 a.m. -
Nonstop4h 20m
Sun 20/1211:59 p.m. -
Nonstop3h 32m
Deal found 19/10C$ 355
Sat 5/125:20 a.m. -
Nonstop4h 20m
Sat 12/125:30 p.m. -
Nonstop3h 20m
Deal found 19/10C$ 358
Wed 13/15:20 a.m. -
Nonstop4h 15m
Mon 18/17:30 p.m. -
Nonstop3h 25m
Deal found 18/10C$ 382
Fri 13/117:45 a.m. -
Nonstop4h 20m
Mon 16/116:08 p.m. -
Nonstop3h 31m
Deal found 19/10C$ 395
Tue 19/17:46 a.m. -
Nonstop4h 29m
Tue 26/16:00 p.m. -
Nonstop3h 37m
Deal found 18/10C$ 410
Thu 31/127:35 a.m. -
Nonstop4h 29m
Tue 5/16:00 p.m. -
Nonstop3h 37m
Deal found 19/10C$ 425
Thu 26/115:00 a.m. -
Nonstop4h 10m
Mon 30/117:05 p.m. -
Nonstop3h 30m
Deal found 19/10C$ 433
Fri 12/25:05 a.m. -
Nonstop4h 15m
Wed 17/26:00 p.m. -
Nonstop3h 25m
Deal found 19/10C$ 450
Tue 24/113:35 p.m. -
Nonstop4h 20m
Tue 1/126:10 p.m. -
Nonstop3h 31m
Deal found 19/10C$ 451
Tue 5/17:46 a.m. -
Nonstop4h 29m
Sat 9/16:00 p.m. -
Nonstop3h 37m
Deal found 14/10C$ 453
Tue 15/125:00 a.m. -
Nonstop4h 20m
Sun 20/127:05 p.m. -
Nonstop3h 25m
Deal found 14/10C$ 467
Last-minute flights from Philadelphia to Denver
Discover last-minute flight deals from Philadelphia to Denver. Data last updated 19 October 2026 and is based on user searches.
Sat 24/1010:05 a.m. -
Nonstop4h 05m
Wed 28/102:00 p.m. -
Nonstop3h 31m
Deal found 17/10C$ 732
Sat 24/1012:05 p.m. -
2 stops8h 45m
Wed 28/1010:45 a.m. -
2 stops8h 50m
Deal found 17/10C$ 774
Sat 24/105:25 a.m. -
Nonstop4h 05m
Sun 1/1112:20 p.m. -
2 stops8h 55m
Deal found 15/10C$ 822
Sat 24/107:55 a.m. -
2 stops9h 10m
Sun 25/1012:30 p.m. -
2 stops10h 30m
Deal found 19/10C$ 843
Sun 25/105:20 a.m. -
Nonstop4h 05m
Mon 9/116:45 p.m. -
Nonstop3h 25m
Deal found 19/10C$ 604
Mon 26/106:15 p.m. -
Nonstop4h 31m
Thu 29/1012:12 p.m. -
Nonstop3h 38m
Deal found 15/10C$ 850
Tue 27/107:45 a.m. -
Nonstop4h 20m
Wed 28/104:10 p.m. -
1 stop5h 21m
Deal found 18/10C$ 746
Tue 27/105:30 a.m. -
Nonstop4h 05m
Thu 29/107:35 p.m. -
Nonstop3h 35m
Deal found 19/10C$ 801
Tue 27/105:30 a.m. -
Nonstop4h 05m
Fri 30/106:00 a.m. -
1 stop5h 15m
Deal found 18/10C$ 815
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 19 October 2026.
Thu 17/129:45 a.m. -
Nonstop4h 27m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 14/10C$ 227
Tue 17/115:00 a.m. -
Nonstop4h 20m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/10C$ 228
Thu 19/112:45 p.m. -
1 stop9h 00m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 18/10C$ 231
Mon 21/124:20 p.m. -
2 stops10h 30m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/10C$ 238
Sat 7/117:45 a.m. -
Nonstop4h 20m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/10C$ 255
Tue 5/15:00 a.m. -
Nonstop4h 20m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 18/10C$ 262
Thu 12/111:50 p.m. -
2 stops8h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 16/10C$ 276
Sun 8/1110:00 a.m. -
1 stop26h 40m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 19/10C$ 281
Sat 16/15:35 a.m. -
2 stops8h 10m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 18/10C$ 283
Tue 22/127:35 a.m. -
Nonstop4h 29m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 18/10C$ 293
Sat 28/115:35 a.m. -
1 stop8h 45m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 15/10C$ 299
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 19 October 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 19 October 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
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Wed 11/11
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$ 255
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$ 306
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Tue 24/11
6:15 a.m.-3:50 p.m.
2 stops11h 35m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 306
Quickest round-trip
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Thu 24/12
5:15 p.m.-7:25 p.m.
Nonstop4h 10m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 312
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Tue 22/12
6:15 a.m.-3:50 p.m.
2 stops11h 35m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 333
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Mon 16/11
6:20 p.m.-10:40 p.m.
1 stop6h 20m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 340
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Sun 14/2
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$ 347
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Fri 18/12
11:05 a.m.-1:20 p.m.
Nonstop4h 15m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 347
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Mon 14/12
5:15 p.m.-7:25 p.m.
Nonstop4h 10m
Denver Intl
Wed 31/12
12:00 a.m.-2:00 a.m.
Nonstop0h 00m
C$ 347
PhiladelphiaDenver
PHL Philadelphia - DEN Denver Intl
PHLDEN
Philadelphia
Sun 6/12
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$ 347
Flights are sorted by cheapest round-trip flights first.
Deals found on 15/10
Showing 1-10 of 21 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, April is the cheapest month in which you can book a flight from Philadelphia to Denver (average of C$ 453). Flying from Philadelphia to Denver in June is currently the most expensive (average of C$ 663). 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 19 October 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 77% 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$ 451 and C$ 709 in November.The cheapest round-trip price found within the last 5 days was C$ 344 on United Airlines (14 Nov-16 Nov).
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 19 October 2026.
The most flights from PHL to DEN are scheduled on a Friday (18 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).
How often are flights from Philadelphia to Denver delayed?
About 20% 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 early afternoon 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 13% 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 10 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 Southwest and United Airlines fly from Philadelphia to Denver in about 4h 29m. The time it takes to get you to your destination can typically vary by up to 1h 36m. 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 Frontier (87%), Volaris (86%) or United Airlines (81%) as they are the most reliable in getting you off to your destination on time.
What are the cheapest flights from Philadelphia to Denver?
While on average a flight from Philadelphia to Denver is generally C$ 493, our data shows the cheapest flight currently is C$ 266. When looking at the most popular route, (Philadelphia - Denver Intl), you can expect to pay C$ 537 for that flight.
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, April is the cheapest month in which you can book a flight from Philadelphia to Denver (average of C$ 453). Flying from Philadelphia to Denver in June is currently the most expensive (average of C$ 663). 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 19 October 2026.
Browse through other flights departing from Philadelphia. Flights are based on user searches made on Cheapflights and were last updated on 19 October 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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