Cheap Flights from Philadelphia to Denver
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Deals from
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Prices updated 24 days ago
486,190 searches this week
171 airlines compared
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Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Philadelphia to Denver
Explore current cheapest deals departing from Philadelphia to Denver
Round trip
Sort by: Cheapest
October 20 - October 24
PHL - Denver
$205
$122
Round trip
October 21 - October 24
PHL - Denver
$205
$122
Round trip
September 2 - September 5
PHL - Denver
$157
$127
Round trip
October 2 - October 24
PHL - Denver
$163
$134
Round trip
September 25 - October 24
PHL - Denver
$157
$138
Round trip
October 17 - October 24
PHL - Denver
$199
$145
Round trip
October 20 - October 21
PHL - Denver
$282
$147
Round trip
September 18 - September 20
PHL - Denver
$169
$150
Round trip
September 25 - September 27
PHL - Denver
$183
$153
Round trip
August 6 - August 11
PHL - Denver
$168
$154
Round trip
Unlock all 500+ flight deals to Denver and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Philadelphia to Denver
How much is a round trip from Philadelphia to Denver
Regular price: $164 - $366
Prices for flights from Philadelphia to Denver are currently below the regular range.
The regular price range for flights from Philadelphia to Denver is $164 to $366. The current lowest deal is $122 with Frontier Airlines for travel from Oct 21-Oct 24.
now $122
Low $164
High $366
The cheapest time to fly from Philadelphia to Denver
The cheapest month to fly from Philadelphia to Denver is April, with a median price of $104. The most expensive month is November, with a median price of $770. Prices are generally lower from February to September.
April
Flights from $104
November
Flights from $770
Direct flights from Philadelphia to Denver
Frontier Airlines
Last-minute flights going from Philadelphia to Denver
Wed, Jun 17
TTN - Denver
Trenton (TTN) - Denver (DEN)
Frontier Airlines
$565
$290
One-way
Wed, Jun 17
TTN - Denver
Trenton (TTN) - Denver (DEN)
Frontier Airlines
$445
$300
One-way
Wed, Jun 17
TTN - Denver
Trenton (TTN) - Denver (DEN)
Frontier Airlines
$561
$348
One-way
Thu, Jun 18
TTN - Denver
Trenton (TTN) - Denver (DEN)
Frontier Airlines
$506
$342
One-way
Thu, Jun 18
TTN - Denver
Trenton (TTN) - Denver (DEN)
Frontier Airlines
$565
$370
One-way
Thu, Jun 18
TTN - Denver
Trenton (TTN) - Denver (DEN)
Frontier Airlines
$561
$371
One-way
Biggest price drops on these dates for flights from Philadelphia to Denver
Jun 17 - Jun 20
$565 → $290
49%
Jun 20 - Jun 22
$565 → $341
40%
Jun 21 - Jun 23
$565 → $341
40%
Jun 17 - Jun 21
$561 → $348
38%
Popular Airports to fly from Philadelphia to Denver
Philadelphia - Denver route insights
💸 Price insights
Recent fares are below the typical level
Recent fares for Philadelphia to Denver are below the typical level, with deals around $122.
📅 Best time to fly
April is historically cheapest at $104
Historically, April is the cheapest month to fly from Philadelphia to Denver, with a median price of $104.
⏱️ Flight duration
Median flight time is 8h 9m
The median flight time for this route is 8 hours and 9 minutes, including layovers.
✈️ Airlines & availability
Deals are frequent on this route
Deals for flights from Philadelphia to Denver are frequent, with over 1 deal per day.
🏆 Airline highlight
Frontier Airlines offers direct flights
Frontier Airlines is one of the carriers offering direct flights on the Philadelphia to Denver route.
🎯 Booking tip
Consider booking in April or May
Historically, April ($104) and May ($131) offer the lowest median prices for this route.
Philadelphia main airports to depart from
Philadelphia International (PHL)
Philadelphia International Airport is a convenient and budget-friendly option for flights to Denver.
📍 ~10 km from Philadelphia city center (reachable by car or train)
💸 Flights from ~$122
Denver main airports to arrive at
Denver International (DEN)
Denver International Airport is the primary gateway to Denver from Philadelphia, offering direct access to the city.
📍 ~40 km from city center (reachable by car)
💸 Flights from ~$122
Airports nearby Denver used as alternative
Colorado Springs (COS)
Colorado Springs (COS) can be a useful alternative, especially if you are traveling to the southern Denver area.
📍 ~110 km from Denver (approximately 1.5 hours drive depending on I-25 traffic)
💸 Flights from ~$220
Eagle County Regional (EGE)
Eagle County Regional (EGE) is a primary alternative for travelers located in the western mountains.
📍 ~190 km from Denver (reachable by car)
💸 Flights from ~$416
Aspen–Pitkin County (ASE)
Aspen–Pitkin County (ASE) is a popular option with frequent service to major US hubs.
📍 ~200 km from Denver (reachable by car)
💸 Flights from ~$384
Cheyenne Regional (CYS)
Cheyenne Regional (CYS) is geographically close to the northern Denver metro area.
📍 ~160 km from Denver (reachable by car)
💸 Flights from ~$432
Yampa Valley (HDN)
Yampa Valley (HDN) serves as a viable gateway for the Northwest Colorado region.
📍 ~250 km from Denver (reachable by car)
💸 Flights from ~$419
Business & First Class Flight Deals to Denver
Discover luxury on the budget with premium cabin class on flights from Philadelphia to Denver.
Elite
Best Elite deals to Denver
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From PHL
Elite
Aug 01
Denver, United States
87% AI deal score
$1,802
$953
Save $849
From PHL
Elite
Aug 25
Denver, United States
82% AI deal score
$1,302
$949
Save $353
From PHL
Elite
Aug 26
Denver, United States
82% AI deal score
$1,302
$953
Save $349
From PHL
Elite
Nov 25
Denver, United States
82% AI deal score
$1,258
$953
Save $305
From PHL
Elite
Nov 10
Denver, United States
82% AI deal score
$1,262
$953
Save $309
From PHL
Elite
Jul 04
Denver, United States
82% AI deal score
$1,032
$792
Save $240
From PHL
Elite
Oct 20
Denver, United States
81% AI deal score
$1,244
$949
Save $295
From PHL
Elite
Sep 29
Denver, United States
81% AI deal score
$1,230
$953
Save $277
From PHL
Elite
Sep 22
Denver, United States
81% AI deal score
$1,208
$953
Save $255
From PHL
Elite
Jul 28
Denver, United States
81% AI deal score
$984
$755
Save $229
From PHL
Elite
Jul 21
Denver, United States
81% AI deal score
$982
$755
Save $227
From PHL
Elite
Aug 11
Denver, United States
81% AI deal score
$1,165
$755
Save $410
From PHL
Elite
Aug 18
Denver, United States
81% AI deal score
$1,232
$792
Save $440
From PHL
Elite
Nov 07
Denver, United States
80% AI deal score
$1,118
$943
Save $175
From PHL
Elite
Sep 23
Denver, United States
80% AI deal score
$1,132
$755
Save $377
From PHL
Elite
Sep 02
Denver, United States
80% AI deal score
$1,119
$755
Save $364
From PHL
Elite
Jun 30
Denver, United States
80% AI deal score
$920
$792
Save $128
From PHL
Elite
Jul 19
Denver, United States
80% AI deal score
$1,013
$799
Save $214
From PHL
Elite
Aug 01
Denver, United States
80% AI deal score
$1,194
$799
Save $395
From PHL
Elite
Jul 17
Denver, United States
80% AI deal score
$995
$799
Save $196
From PHL
Elite
Aug 06
Denver, United States
80% AI deal score
$1,226
$799
Save $427
From PHL
Elite
Jul 20
Denver, United States
80% AI deal score
$1,013
$799
Save $214
From PHL
Elite
Jul 22
Denver, United States
80% AI deal score
$1,013
$799
Save $214
From PHL
Elite
Aug 10
Denver, United States
80% AI deal score
$1,225
$799
Save $426
From PHL
Elite
Sep 05
Denver, United States
79% AI deal score
$1,104
$755
Save $349
From PHL
Elite
Jul 28
Denver, United States
79% AI deal score
$997
$799
Save $198
From PHL
Elite
Aug 29
Denver, United States
75% AI deal score
$1,137
$943
Save $194
From PHL
Elite
Jul 04
Denver, United States
75% AI deal score
$1,203
$980
Save $223
From PHL
Elite
Nov 11
Denver, United States
75% AI deal score
$967
$755
Save $212
From PHL
Elite
Sep 16
Denver, United States
75% AI deal score
$1,085
$755
Save $330
From PHL
Elite
Sep 16
Denver, United States
75% AI deal score
$1,092
$755
Save $337
From PHL
Elite
Jun 30
Denver, United States
75% AI deal score
$904
$792
Save $112
From PHL
Elite
Aug 04
Denver, United States
75% AI deal score
$1,165
$792
Save $373
From PHL
Elite
Aug 26
Denver, United States
75% AI deal score
$1,168
$792
Save $376
From PHL
Elite
Aug 12
Denver, United States
75% AI deal score
$1,164
$792
Save $372
From PHL
Elite
Oct 29
Denver, United States
75% AI deal score
$1,105
$799
Save $306
From PHL
Elite
Jul 27
Denver, United States
75% AI deal score
$989
$799
Save $190
From PHL
Elite
Sep 30
Denver, United States
75% AI deal score
$1,097
$799
Save $298
From PHL
Elite
Sep 18
Denver, United States
75% AI deal score
$1,114
$799
Save $315
From PHL
Elite
Oct 24
Denver, United States
74% AI deal score
$1,090
$943
Save $147
From PHL
Elite
Oct 10
Denver, United States
74% AI deal score
$1,077
$943
Save $134
From PHL
Elite
Oct 17
Denver, United States
74% AI deal score
$1,083
$943
Save $140
From PHL
Elite
Aug 05
Denver, United States
74% AI deal score
$1,170
$980
Save $190
From PHL
Elite
Sep 17
Denver, United States
74% AI deal score
$1,096
$799
Save $297
From PHL
Elite
Dec 11
Denver, United States
73% AI deal score
$1,882
$1,557
Save $325
From PHL
Elite
Sep 12
Denver, United States
73% AI deal score
$1,039
$943
Save $96
From PHL
Elite
Aug 11
Denver, United States
73% AI deal score
$1,155
$1,017
Save $138
From PHL
Elite
Nov 11
Denver, United States
72% AI deal score
$1,765
$1,517
Save $248
From PHL
Elite
Nov 15
Denver, United States
72% AI deal score
$1,757
$1,537
Save $220
From PHL
Elite
Jul 22
Denver, United States
72% AI deal score
$1,850
$1,557
Save $293
From PHL
Elite
Dec 06
Denver, United States
72% AI deal score
$1,852
$1,557
Save $295
From PHL
Elite
Dec 03
Denver, United States
72% AI deal score
$1,842
$1,557
Save $285
From PHL
Elite
Dec 02
Denver, United States
72% AI deal score
$1,837
$1,557
Save $280
From PHL
Elite
Dec 02
Denver, United States
72% AI deal score
$1,833
$1,557
Save $276
From PHL
Elite
Aug 13
Denver, United States
72% AI deal score
$1,794
$1,557
Save $237
From PHL
Elite
Jul 22
Denver, United States
72% AI deal score
$1,805
$1,557
Save $248
From PHL
Elite
Jul 22
Denver, United States
72% AI deal score
$1,805
$1,557
Save $248
From PHL
Elite
Jul 22
Denver, United States
72% AI deal score
$1,805
$1,557
Save $248
From PHL
Elite
Dec 06
Denver, United States
72% AI deal score
$1,848
$1,557
Save $291
From PHL
Elite
Dec 14
Denver, United States
72% AI deal score
$1,852
$1,557
Save $295
From PHL
Elite
Dec 03
Denver, United States
72% AI deal score
$1,833
$1,557
Save $276
From PHL
Elite
Dec 02
Denver, United States
72% AI deal score
$1,845
$1,557
Save $288
From PHL
Elite
Jul 21
Denver, United States
72% AI deal score
$1,000
$943
Save $57
From PHL
Elite
Nov 07
Denver, United States
71% AI deal score
$1,693
$1,517
Save $176
From PHL
Elite
Nov 11
Denver, United States
71% AI deal score
$1,694
$1,517
Save $177
From PHL
Elite
Nov 07
Denver, United States
71% AI deal score
$1,694
$1,517
Save $177
From PHL
Elite
Nov 11
Denver, United States
71% AI deal score
$1,670
$1,537
Save $133
From PHL
Elite
Nov 13
Denver, United States
71% AI deal score
$1,680
$1,537
Save $143
From PHL
Elite
Nov 09
Denver, United States
71% AI deal score
$1,690
$1,537
Save $153
From PHL
Elite
Nov 11
Denver, United States
71% AI deal score
$1,677
$1,537
Save $140
From PHL
Elite
Nov 11
Denver, United States
71% AI deal score
$1,678
$1,537
Save $141
From PHL
Elite
Nov 07
Denver, United States
71% AI deal score
$1,651
$1,537
Save $114
From PHL
Elite
Nov 07
Denver, United States
71% AI deal score
$1,673
$1,537
Save $136
From PHL
Elite
Nov 25
Denver, United States
71% AI deal score
$1,666
$1,557
Save $109
From PHL
Elite
Nov 22
Denver, United States
71% AI deal score
$1,686
$1,557
Save $129
From PHL
Elite
Nov 22
Denver, United States
71% AI deal score
$1,746
$1,557
Save $189
From PHL
Elite
Nov 09
Denver, United States
71% AI deal score
$1,679
$1,557
Save $122
From PHL
Elite
Nov 15
Denver, United States
71% AI deal score
$1,683
$1,557
Save $126
From PHL
Elite
Nov 13
Denver, United States
71% AI deal score
$1,674
$1,557
Save $117
From PHL
Elite
Nov 09
Denver, United States
71% AI deal score
$1,679
$1,557
Save $122
From PHL
Elite
Nov 13
Denver, United States
71% AI deal score
$1,676
$1,557
Save $119
From PHL
Elite
Nov 15
Denver, United States
71% AI deal score
$1,681
$1,557
Save $124
From PHL
Elite
Jul 29
Denver, United States
71% AI deal score
$1,804
$1,612
Save $192
From PHL
Elite
Aug 12
Denver, United States
71% AI deal score
$1,776
$1,612
Save $164
From PHL
Elite
Jul 28
Denver, United States
71% AI deal score
$980
$943
Save $37
From PHL
Elite
Jul 04
Denver, United States
71% AI deal score
$1,064
$1,001
Save $63
From PHL
Elite
Nov 22
Denver, United States
70% AI deal score
$1,653
$1,557
Save $96
From PHL
Elite
Nov 15
Denver, United States
70% AI deal score
$1,640
$1,557
Save $83
From PHL
Elite
Nov 13
Denver, United States
70% AI deal score
$1,642
$1,557
Save $85
From PHL
Elite
Nov 22
Denver, United States
70% AI deal score
$1,646
$1,557
Save $89
From PHL
Elite
Dec 02
Denver, United States
68% AI deal score
$929
From PHL
Elite
Nov 06
Denver, United States
67% AI deal score
$1,184
From PHL
Elite
Nov 20
Denver, United States
49% AI deal score
$1,316
From PHL
Elite
Nov 24
Denver, United States
48% AI deal score
$1,279
From PHL
Elite
Oct 26
Denver, United States
48% AI deal score
$1,295
From PHL
Elite
Nov 15
Denver, United States
47% AI deal score
$1,337
From PHL
Elite
Nov 19
Denver, United States
46% AI deal score
$1,510
From PHL
Elite
Dec 07
Denver, United States
44% AI deal score
$1,642