Flights from Philadelphia to Fossil Creek Trail

Cheapest flights from Philadelphia

These prices were available within the past 7 days. Prices quoted are per person, round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Aug 5 - Tue, Aug 5

PHL

Philadelphia Intl.

DEN

Denver Intl.

$178 Roundtrip, found 15 hours ago

$178

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Philadelphia Intl. to Denver Intl., returning Tue, Aug 5, priced at $178 found 15 hours ago

Sat, Jun 14 - Wed, Jun 18

PHL

Philadelphia Intl.

DEN

Denver Intl.

$188 Roundtrip, found 6 days ago

$188

Roundtrip

found 6 days ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Philadelphia Intl. to Denver Intl., returning Wed, Jun 18, priced at $188 found 6 days ago

Tue, Aug 5 - Thu, Aug 7

PHL

Philadelphia Intl.

DEN

Denver Intl.

$198 Roundtrip, found 15 hours ago

$198

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Philadelphia Intl. to Denver Intl., returning Thu, Aug 7, priced at $198 found 15 hours ago

Sun, Aug 3 - Tue, Aug 5

PHL

Philadelphia Intl.

DEN

Denver Intl.

$202 Roundtrip, found 14 hours ago

$202

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Philadelphia Intl. to Denver Intl., returning Tue, Aug 5, priced at $202 found 14 hours ago

Tue, Aug 5 - Fri, Aug 8

PHL

Philadelphia Intl.

DEN

Denver Intl.

$203 Roundtrip, found 15 hours ago

$203

Roundtrip

found 15 hours ago

Select Frontier Airlines flight, departing Tue, Aug 5 from Philadelphia Intl. to Denver Intl., returning Fri, Aug 8, priced at $203 found 15 hours ago

Mon, Jun 16 - Fri, Jun 20

PHL

Philadelphia Intl.

DEN

Denver Intl.

$208 Roundtrip, found 3 days ago

$208

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Philadelphia Intl. to Denver Intl., returning Fri, Jun 20, priced at $208 found 3 days ago

Thu, Jul 31 - Tue, Aug 5

PHL

Philadelphia Intl.

DEN

Denver Intl.

$213 Roundtrip, found 14 hours ago

$213

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Philadelphia Intl. to Denver Intl., returning Tue, Aug 5, priced at $213 found 14 hours ago

Wed, Jul 30 - Tue, Aug 5

PHL

Philadelphia Intl.

DEN

Denver Intl.

$214 Roundtrip, found 14 hours ago

$214

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Philadelphia Intl. to Denver Intl., returning Tue, Aug 5, priced at $214 found 14 hours ago

Thu, Jul 31 - Sat, Aug 2

PHL

Philadelphia Intl.

DEN

Denver Intl.

$217 Roundtrip, found 14 hours ago

$217

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Thu, Jul 31 from Philadelphia Intl. to Denver Intl., returning Sat, Aug 2, priced at $217 found 14 hours ago

Wed, Jul 30 - Sat, Aug 2

PHL

Philadelphia Intl.

DEN

Denver Intl.

$218 Roundtrip, found 14 hours ago

$218

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Wed, Jul 30 from Philadelphia Intl. to Denver Intl., returning Sat, Aug 2, priced at $218 found 14 hours ago

Sun, Aug 3 - Thu, Aug 7

PHL

Philadelphia Intl.

DEN

Denver Intl.

$222 Roundtrip, found 14 hours ago

$222

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Philadelphia Intl. to Denver Intl., returning Thu, Aug 7, priced at $222 found 14 hours ago

Wed, Jul 16 - Sun, Jul 27

PHL

Philadelphia Intl.

DEN

Denver Intl.

$224 Roundtrip, found 2 days ago

$224

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Wed, Jul 16 from Philadelphia Intl. to Denver Intl., returning Sun, Jul 27, priced at $224 found 2 days ago

Fri, Aug 1 - Tue, Aug 5

PHL

Philadelphia Intl.

DEN

Denver Intl.

$224 Roundtrip, found 14 hours ago

$224

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Philadelphia Intl. to Denver Intl., returning Tue, Aug 5, priced at $224 found 14 hours ago

Sun, Aug 3 - Fri, Aug 8

PHL

Philadelphia Intl.

DEN

Denver Intl.

$227 Roundtrip, found 14 hours ago

$227

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Sun, Aug 3 from Philadelphia Intl. to Denver Intl., returning Fri, Aug 8, priced at $227 found 14 hours ago

Fri, Aug 1 - Sat, Aug 2

PHL

Philadelphia Intl.

DEN

Denver Intl.

$228 Roundtrip, found 14 hours ago

$228

Roundtrip

found 14 hours ago

Select Frontier Airlines flight, departing Fri, Aug 1 from Philadelphia Intl. to Denver Intl., returning Sat, Aug 2, priced at $228 found 14 hours ago

Wed, Jun 18 - Wed, Jun 25

PHL

Philadelphia Intl.

DEN

Denver Intl.

$230 Roundtrip, found 3 days ago

$230

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jun 18 from Philadelphia Intl. to Denver Intl., returning Wed, Jun 25, priced at $230 found 3 days ago

Wed, Aug 6 - Wed, Aug 6

PHL

Philadelphia Intl.

DEN

Denver Intl.

$251 Roundtrip, found 15 hours ago

$251

Roundtrip

found 15 hours ago

Select Delta flight, departing Wed, Aug 6 from Philadelphia Intl. to Denver Intl., returning Wed, Aug 6, priced at $251 found 15 hours ago

Mon, Jun 16 - Mon, Jun 23

TTN

Mercer

DEN

Denver Intl.

$293 Roundtrip, found 3 days ago

$293

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Mon, Jun 16 from Mercer to Denver Intl., returning Mon, Jun 23, priced at $293 found 3 days ago

Mon, Jun 16 - Mon, Jun 23

PHL

Philadelphia Intl.

DEN

Denver Intl.

$357 Roundtrip, found 3 days ago

$357

Roundtrip

found 3 days ago

Select American Airlines flight, departing Mon, Jun 16 from Philadelphia Intl. to Denver Intl., returning Mon, Jun 23, priced at $357 found 3 days ago

Mon, Jun 23 - Thu, Jun 26

PHL

Philadelphia Intl.

FNL

Fort Collins-Loveland Municipal

$543 Roundtrip, found 4 days ago

$543

Roundtrip

found 4 days ago

Select United flight, departing Mon, Jun 23 from Philadelphia Intl. to Fort Collins-Loveland Municipal, returning Thu, Jun 26, priced at $543 found 4 days ago