Cheap Flights from Denver to Philadelphia
Browse current best options from Denver. Become a member to unlock all deals and get alerts when new deals appear.
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 Denver to Philadelphia
Explore current cheapest deals departing from Denver to Philadelphia
Round trip
Sort by: Cheapest
August 4 - August 7
DEN - Philadelphia
$191
$138
Round trip
August 4 - August 21
DEN - Philadelphia
$154
$142
Round trip
August 3 - August 11
DEN - Philadelphia
$172
$145
Round trip
August 19 - August 24
DEN - Philadelphia
$188
$152
Round trip
September 26 - September 30
DEN - Philadelphia
$193
$161
Round trip
August 6 - August 13
DEN - Philadelphia
$179
$162
Round trip
August 7 - August 10
DEN - Philadelphia
$192
$177
Round trip
October 7 - October 9
DEN - Philadelphia
$272
$181
Round trip
September 19 - September 21
DEN - Philadelphia
$186
$182
Round trip
August 7 - August 13
DEN - Philadelphia
$180
$184
Round trip
Unlock all 500+ flight deals to Philadelphia and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Denver to Philadelphia
How much is a round trip from Denver to Philadelphia
Regular price: $149 - $338
Prices for flights from Denver to Philadelphia are currently below the regular range.
The regular price range for flights from Denver to Philadelphia is between $149 and $338. The current lowest deal is $138 with Frontier Airlines, for travel from August 4 to August 7.
now $138
Low $149
High $338
The cheapest time to fly from Denver to Philadelphia
Flights from Denver to Philadelphia are cheapest in April, with a median price of $81. The most expensive month to fly is February, with a median price of $525. Generally, prices are lower from January to November.
April
Flights from $81
February
Flights from $525
Direct flights from Denver to Philadelphia
Frontier Airlines
Last-minute flights going from Denver to Philadelphia
Wed, Jun 17
DEN - Philadelphia
Denver (DEN) - Philadelphia (PHL)
Frontier Airlines
$412
$273
One-way
Wed, Jun 17
DEN - Philadelphia
Denver (DEN) - Philadelphia (PHL)
Frontier Airlines
$409
$327
One-way
Wed, Jun 17
DEN - Philadelphia
Denver (DEN) - Philadelphia (PHL)
Frontier Airlines
$417
$335
One-way
Wed, Jun 17
DEN - Trenton
Denver (DEN) - Trenton (TTN)
Frontier Airlines
$414
$341
One-way
Thu, Jun 18
DEN - Philadelphia
Denver (DEN) - Philadelphia (PHL)
Frontier Airlines
$417
$326
One-way
Thu, Jun 18
DEN - Philadelphia
Denver (DEN) - Philadelphia (PHL)
Frontier Airlines
$412
$339
One-way
Biggest price drops on these dates for flights from Denver to Philadelphia
Jun 19 - Jun 21
$544 → $370
32%
Jun 21 - Jun 23
$499 → $341
32%
Jun 17 - Jun 20
$412 → $273
34%
Jun 20 - Jun 27
$459 → $327
29%
Popular Airports to fly from Denver to Philadelphia
Denver - Philadelphia route insights
💸 Price insights
Recent fares are above the typical level
Recent fares from Denver to Philadelphia are above the typical level of $253.
📅 Best time to fly
April is historically the cheapest month to fly
Historically, April is the cheapest month to fly from Denver to Philadelphia, with a median price of $81.
⏱️ Flight duration
The median flight time is 8h 7m
The median flight time from Denver to Philadelphia is 8 hours and 7 minutes.
✈️ Airlines & availability
45.5% of recent deals are for direct flights
45.5% of recent deals from Denver to Philadelphia are for direct flights.
🏆 Airline highlight
Frontier Airlines offers direct flights
Frontier Airlines has offered direct flights from Denver to Philadelphia in recent deals.
🎯 Booking tip
Deals are frequent for this route
Deals for flights from Denver to Philadelphia are frequent, with over 1 deal per day.
Denver main airports to depart from
Denver International (DEN)
Denver International Airport offers flights to Philadelphia, often with competitive pricing for your journey.
📍 ~40 km from Denver city center (reachable by car or train)
💸 Flights from ~$132
Philadelphia main airports to arrive at
Philadelphia International (PHL)
Philadelphia International Airport is a convenient arrival choice for flights from Denver to Philadelphia.
📍 ~11 km from Philadelphia city center (reachable by car)
💸 Flights from ~$132
Airports nearby Philadelphia used as alternative
Newark Liberty International (EWR)
Newark Liberty International offers significantly more flight options and is excellent for long-haul international routes.
📍 ~135 km from Philadelphia (reachable by Amtrak and NJ Transit)
💸 Flights from ~$204
Baltimore–Washington International (BWI)
Baltimore–Washington International is a major base for Southwest Airlines and often features lower domestic fares.
📍 ~145 km from Philadelphia (reachable by Amtrak)
💸 Flights from ~$194
Trenton–Mercer (TTN)
Trenton–Mercer provides a very fast check-in and security process with budget-friendly low-cost carrier options.
📍 ~50 km from Philadelphia (reachable by car)
💸 Flights from ~$260
Lehigh Valley International (ABE)
Lehigh Valley International is much less crowded than major hubs and offers reliable regional connections.
📍 ~85 km from Philadelphia (reachable by car)
💸 Flights from ~$104
Atlantic City International (ACY)
Atlantic City International is convenient for travelers on the eastern side of the Philadelphia metro with a simple terminal.
📍 ~90 km from Philadelphia (reachable by car)
💸 Flights from ~$299
Business & First Class Flight Deals to Philadelphia
Discover luxury on the budget with premium cabin class on flights from Denver to Philadelphia.
Elite
Best Elite deals to Philadelphia
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From DEN
Elite
Nov 10
Philadelphia, United States
84% AI deal score
$1,541
$953
Save $588
From DEN
Elite
Sep 30
Philadelphia, United States
84% AI deal score
$1,306
$755
Save $551
From DEN
Elite
Sep 26
Philadelphia, United States
84% AI deal score
$1,434
$799
Save $635
From DEN
Elite
Sep 04
Philadelphia, United States
84% AI deal score
$1,418
$799
Save $619
From DEN
Elite
Jul 25
Philadelphia, United States
83% AI deal score
$1,479
$953
Save $526
From DEN
Elite
Sep 23
Philadelphia, United States
83% AI deal score
$1,401
$799
Save $602
From DEN
Elite
Sep 04
Philadelphia, United States
83% AI deal score
$1,385
$799
Save $586
From DEN
Elite
Aug 29
Philadelphia, United States
82% AI deal score
$1,308
$951
Save $357
From DEN
Elite
Oct 28
Philadelphia, United States
82% AI deal score
$1,332
$953
Save $379
From DEN
Elite
Aug 08
Philadelphia, United States
82% AI deal score
$1,349
$953
Save $396
From DEN
Elite
Aug 29
Philadelphia, United States
82% AI deal score
$1,286
$953
Save $333
From DEN
Elite
Aug 25
Philadelphia, United States
82% AI deal score
$1,316
$956
Save $360
From DEN
Elite
Aug 03
Philadelphia, United States
82% AI deal score
$1,413
$997
Save $416
From DEN
Elite
Aug 03
Philadelphia, United States
82% AI deal score
$1,437
$997
Save $440
From DEN
Elite
Sep 21
Philadelphia, United States
82% AI deal score
$1,323
$799
Save $524
From DEN
Elite
Sep 29
Philadelphia, United States
82% AI deal score
$1,318
$799
Save $519
From DEN
Elite
Aug 12
Philadelphia, United States
81% AI deal score
$2,427
$1,557
Save $870
From DEN
Elite
Oct 06
Philadelphia, United States
81% AI deal score
$1,309
$953
Save $356
From DEN
Elite
Aug 11
Philadelphia, United States
80% AI deal score
$2,401
$1,557
Save $844
From DEN
Elite
Jul 21
Philadelphia, United States
80% AI deal score
$1,202
$953
Save $249
From DEN
Elite
Jul 21
Philadelphia, United States
80% AI deal score
$1,204
$953
Save $251
From DEN
Elite
Sep 15
Philadelphia, United States
80% AI deal score
$1,211
$953
Save $258
From DEN
Elite
Sep 12
Philadelphia, United States
80% AI deal score
$1,235
$964
Save $271
From DEN
Elite
Dec 11
Philadelphia, United States
75% AI deal score
$2,187
$1,557
Save $630
From DEN
Elite
Jun 30
Philadelphia, United States
75% AI deal score
$1,266
$990
Save $276
From DEN
Elite
Nov 07
Philadelphia, United States
74% AI deal score
$1,991
$1,517
Save $474
From DEN
Elite
Oct 20
Philadelphia, United States
74% AI deal score
$2,033
$1,517
Save $516
From DEN
Elite
Oct 27
Philadelphia, United States
74% AI deal score
$2,054
$1,517
Save $537
From DEN
Elite
Oct 20
Philadelphia, United States
74% AI deal score
$2,056
$1,517
Save $539
From DEN
Elite
Oct 28
Philadelphia, United States
74% AI deal score
$2,073
$1,517
Save $556
From DEN
Elite
Oct 27
Philadelphia, United States
74% AI deal score
$2,069
$1,517
Save $552
From DEN
Elite
Nov 10
Philadelphia, United States
74% AI deal score
$1,974
$1,517
Save $457
From DEN
Elite
Nov 11
Philadelphia, United States
74% AI deal score
$1,974
$1,517
Save $457
From DEN
Elite
Oct 31
Philadelphia, United States
74% AI deal score
$2,072
$1,517
Save $555
From DEN
Elite
Nov 07
Philadelphia, United States
74% AI deal score
$1,953
$1,537
Save $416
From DEN
Elite
Nov 05
Philadelphia, United States
74% AI deal score
$2,092
$1,537
Save $555
From DEN
Elite
Nov 18
Philadelphia, United States
74% AI deal score
$1,978
$1,537
Save $441
From DEN
Elite
Nov 07
Philadelphia, United States
74% AI deal score
$1,956
$1,537
Save $419
From DEN
Elite
Nov 07
Philadelphia, United States
74% AI deal score
$1,974
$1,537
Save $437
From DEN
Elite
Nov 07
Philadelphia, United States
74% AI deal score
$2,087
$1,537
Save $550
From DEN
Elite
Oct 27
Philadelphia, United States
74% AI deal score
$2,016
$1,537
Save $479
From DEN
Elite
Jul 29
Philadelphia, United States
74% AI deal score
$1,996
$1,557
Save $439
From DEN
Elite
Dec 08
Philadelphia, United States
74% AI deal score
$2,088
$1,557
Save $531
From DEN
Elite
Dec 02
Philadelphia, United States
74% AI deal score
$2,072
$1,557
Save $515
From DEN
Elite
Oct 31
Philadelphia, United States
74% AI deal score
$1,153
$943
Save $210
From DEN
Elite
Oct 17
Philadelphia, United States
74% AI deal score
$1,149
$943
Save $206
From DEN
Elite
Aug 18
Philadelphia, United States
74% AI deal score
$1,140
$980
Save $160
From DEN
Elite
Jul 25
Philadelphia, United States
74% AI deal score
$1,177
$982
Save $195
From DEN
Elite
Aug 04
Philadelphia, United States
74% AI deal score
$1,196
$987
Save $209
From DEN
Elite
Jul 21
Philadelphia, United States
74% AI deal score
$1,203
$997
Save $206
From DEN
Elite
Jul 31
Philadelphia, United States
74% AI deal score
$1,173
$1,000
Save $173
From DEN
Elite
Aug 03
Philadelphia, United States
74% AI deal score
$1,223
$1,031
Save $192
From DEN
Elite
Nov 18
Philadelphia, United States
73% AI deal score
$1,946
$1,537
Save $409
From DEN
Elite
Nov 18
Philadelphia, United States
73% AI deal score
$1,941
$1,537
Save $404
From DEN
Elite
Nov 07
Philadelphia, United States
73% AI deal score
$1,937
$1,537
Save $400
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,972
$1,537
Save $435
From DEN
Elite
Nov 07
Philadelphia, United States
73% AI deal score
$1,937
$1,537
Save $400
From DEN
Elite
Nov 18
Philadelphia, United States
73% AI deal score
$1,929
$1,537
Save $392
From DEN
Elite
Nov 18
Philadelphia, United States
73% AI deal score
$1,929
$1,537
Save $392
From DEN
Elite
Nov 18
Philadelphia, United States
73% AI deal score
$1,944
$1,537
Save $407
From DEN
Elite
Nov 07
Philadelphia, United States
73% AI deal score
$1,971
$1,537
Save $434
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,955
$1,557
Save $398
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,930
$1,557
Save $373
From DEN
Elite
Nov 25
Philadelphia, United States
73% AI deal score
$1,931
$1,557
Save $374
From DEN
Elite
Nov 26
Philadelphia, United States
73% AI deal score
$1,926
$1,557
Save $369
From DEN
Elite
Nov 26
Philadelphia, United States
73% AI deal score
$1,928
$1,557
Save $371
From DEN
Elite
Nov 26
Philadelphia, United States
73% AI deal score
$1,933
$1,557
Save $376
From DEN
Elite
Nov 25
Philadelphia, United States
73% AI deal score
$1,934
$1,557
Save $377
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,975
$1,557
Save $418
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,975
$1,557
Save $418
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,996
$1,557
Save $439
From DEN
Elite
Nov 05
Philadelphia, United States
73% AI deal score
$1,930
$1,557
Save $373
From DEN
Elite
Nov 25
Philadelphia, United States
73% AI deal score
$1,934
$1,557
Save $377
From DEN
Elite
Nov 25
Philadelphia, United States
73% AI deal score
$1,935
$1,557
Save $378
From DEN
Elite
Nov 25
Philadelphia, United States
73% AI deal score
$1,927
$1,557
Save $370
From DEN
Elite
Nov 26
Philadelphia, United States
73% AI deal score
$1,933
$1,557
Save $376
From DEN
Elite
Nov 26
Philadelphia, United States
73% AI deal score
$1,929
$1,557
Save $372
From DEN
Elite
Jul 24
Philadelphia, United States
73% AI deal score
$1,130
$987
Save $143
From DEN
Elite
Jul 25
Philadelphia, United States
73% AI deal score
$1,179
$1,031
Save $148
From DEN
Elite
Aug 05
Philadelphia, United States
73% AI deal score
$934
$755
Save $179
From DEN
Elite
Aug 05
Philadelphia, United States
73% AI deal score
$934
$755
Save $179
From DEN
Elite
Aug 01
Philadelphia, United States
73% AI deal score
$938
$755
Save $183
From DEN
Elite
Aug 04
Philadelphia, United States
73% AI deal score
$933
$755
Save $178
From DEN
Elite
Aug 04
Philadelphia, United States
73% AI deal score
$944
$755
Save $189
From DEN
Elite
Aug 04
Philadelphia, United States
73% AI deal score
$972
$799
Save $173
From DEN
Elite
Sep 19
Philadelphia, United States
72% AI deal score
$1,037
$943
Save $94
From DEN
Elite
Jul 23
Philadelphia, United States
72% AI deal score
$1,164
$1,031
Save $133
From DEN
Elite
Jul 23
Philadelphia, United States
72% AI deal score
$1,130
$1,031
Save $99
From DEN
Elite
Aug 04
Philadelphia, United States
72% AI deal score
$1,179
$1,041
Save $138
From DEN
Elite
Nov 13
Philadelphia, United States
72% AI deal score
$1,344
$1,184
Save $160
From DEN
Elite
Aug 07
Philadelphia, United States
72% AI deal score
$957
$799
Save $158
From DEN
Elite
Aug 08
Philadelphia, United States
72% AI deal score
$934
$799
Save $135
From DEN
Elite
Aug 13
Philadelphia, United States
72% AI deal score
$942
$799
Save $143
From DEN
Elite
Jul 29
Philadelphia, United States
70% AI deal score
$1,014
$980
Save $34
From DEN
Elite
Nov 11
Philadelphia, United States
70% AI deal score
$1,344
$1,279
Save $65
From DEN
Elite
Jul 28
Philadelphia, United States
70% AI deal score
$779
$755
Save $24
From DEN
Elite
Jul 20
Philadelphia, United States
69% AI deal score
$1,040
$1,031
Save $9
From DEN
Elite
Jul 19
Philadelphia, United States
69% AI deal score
$1,040
$1,031
Save $9
From DEN
Elite
Nov 02
Philadelphia, United States
69% AI deal score
$1,345
$1,295
Save $50
From DEN
Elite
Jul 22
Philadelphia, United States
69% AI deal score
$765
$755
Save $10