Flights from Pennsylvania (Pennsylvania) to North West USA (North West USA)

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We compare hundreds of flights from Pennsylvania to North West USA from a range of airlines and travel agents to get you the best deals. Find cheap flights along this route.
Philadelphia (PHL) to Denver International (DEN)
 Depart 29 Apr 15
 Return 06 May 15

Flying with United Airlines

Price subject to availability

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  • Price
  • Dep date
  3 more Flightnetwork flights available on this route
$311   Dep 29 Apr 15 - Rtn 06 May 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$344   Dep 29 Apr 15 - Rtn 06 May 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$419   Dep 29 Apr 15 - Rtn 06 May 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
Latrobe (LBE) to Denver International (DEN)
 Depart 17 Jun 15
 Return 30 Jun 15

Flying with Spirit Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more CheapOair.com flights available on this route
$321   Dep 31 Mar 15 - Rtn 14 Apr 15
Harrisburg to Denver International
MDT to DEN CheapOair.com
$321   Dep 23 Apr 15 - Rtn 28 Apr 15
Philadelphia to Denver International
PHL to DEN CheapOair.com
$322   Dep 08 Apr 15 - Rtn 14 Apr 15
Harrisburg to Denver International
MDT to DEN CheapOair.com
$328   Dep 14 May 15 - Rtn 24 May 15
Latrobe to Denver International
LBE to DEN CheapOair.com
$348   Dep 31 Mar 15 - Rtn 08 Apr 15
Pittsburgh to Denver International
PIT to DEN CheapOair.com
$350   Dep 26 Aug 15 - Rtn 03 Sep 15
Philadelphia to Portland
PHL to PDX CheapOair.com
$352   Dep 12 May 15 - Rtn 19 May 15
Harrisburg to Colorado Springs
MDT to COS CheapOair.com
$362   Dep 15 Apr 15 - Rtn 21 Apr 15
Philadelphia to Colorado Springs
PHL to COS CheapOair.com
$362   Dep 08 Apr 15 - Rtn 14 Apr 15
Philadelphia to Seattle
PHL to SEA CheapOair.com
$362   Dep 09 Sep 15 - Rtn 24 Sep 15
Philadelphia to Seattle
PHL to SEA CheapOair.com
$382   Dep 06 Apr 15 - Rtn 15 Apr 15
Philadelphia to Colorado Springs
PHL to COS CheapOair.com
$387   Dep 16 Jun 15 - Rtn 01 Jul 15
Harrisburg to Colorado Springs
MDT to COS CheapOair.com
$399   Dep 06 May 15 - Rtn 13 May 15
Philadelphia to Salt Lake City
PHL to SLC CheapOair.com
$401   Dep 23 Jun 15 - Rtn 17 Jul 15
Latrobe to Portland
LBE to PDX CheapOair.com
$408   Dep 27 May 15 - Rtn 10 Jun 15
Pittsburgh to Salt Lake City
PIT to SLC CheapOair.com
Pittsburgh (PIT) to Colorado Springs (COS)
 Depart 27 May 15
 Return 03 Jun 15

Flying with United Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more momondo.com flights available on this route
$674   Dep 03 Jun 15 - Rtn 10 Jun 15
Pittsburgh to Colorado Springs
PIT to COS momondo.com
$682   Dep 27 May 15 - Rtn 03 Jun 15
Allentown to Denver International
ABE to DEN momondo.com
$720   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Spokane
PHL to GEG momondo.com
$769   Dep 24 Jun 15 - Rtn 01 Jul 15
Wilkes-Barre to Spokane
AVP to GEG momondo.com
$777   Dep 17 Jun 15 - Rtn 24 Jun 15
Pittsburgh to Colorado Springs
PIT to COS momondo.com
$787   Dep 27 May 15 - Rtn 03 Jun 15
Wilkes-Barre to Denver International
AVP to DEN momondo.com
$790   Dep 24 Jun 15 - Rtn 01 Jul 15
Wilkes-Barre to Spokane
AVP to GEG momondo.com
$795   Dep 10 Jun 15 - Rtn 17 Jun 15
Philadelphia to Colorado Springs
PHL to COS momondo.com
$800   Dep 27 May 15 - Rtn 03 Jun 15
State College to Missoula
SCE to MSO momondo.com
$803   Dep 27 May 15 - Rtn 03 Jun 15
Pittsburgh to Spokane
PIT to GEG momondo.com
$807   Dep 27 May 15 - Rtn 03 Jun 15
Pittsburgh to Colorado Springs
PIT to COS momondo.com
$809   Dep 27 May 15 - Rtn 03 Jun 15
Pittsburgh to Boise
PIT to BOI momondo.com
$824   Dep 03 Jun 15 - Rtn 10 Jun 15
Philadelphia to Boise
PHL to BOI momondo.com
$825   Dep 10 Jun 15 - Rtn 17 Jun 15
Pittsburgh to Colorado Springs
PIT to COS momondo.com
$825   Dep 03 Jun 15 - Rtn 10 Jun 15
Allentown to Denver International
ABE to DEN momondo.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 21 Apr 15
 Return 29 Apr 15

Flying with Frontier Airlines

Price subject to availability

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Philadelphia (PHL) to Denver International (DEN)
 Depart 15 Apr 15
 Return 22 Apr 15

Price subject to availability

   View more dates
 
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