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.
Pittsburgh (PIT) to Denver International (DEN)
 Depart 09 Aug 16
 Return 15 Aug 16

Flying with Frontier Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more CheapOair.com flights available on this route
$267   Dep 14 Jun 16 - Rtn 21 Jun 16
Philadelphia to Salt Lake City
PHL to SLC CheapOair.com
$273   Dep 29 Mar 16 - Rtn 30 Mar 16
Philadelphia to Portland
PHL to PDX CheapOair.com
$289   Dep 30 Mar 16 - Rtn 04 Apr 16
Wilkes-Barre to Denver International
AVP to DEN CheapOair.com
$299   Dep 23 Apr 16 - Rtn 30 Apr 16
Philadelphia to Seattle
PHL to SEA CheapOair.com
$299   Dep 30 Mar 16 - Rtn 04 Apr 16
Allentown to Seattle
ABE to SEA CheapOair.com
$308   Dep 01 Jul 16 - Rtn 10 Jul 16
Pittsburgh to Salt Lake City
PIT to SLC CheapOair.com
$328   Dep 26 May 16 - Rtn 31 May 16
Philadelphia to Bozeman
PHL to BZN CheapOair.com
$332   Dep 24 Jul 16 - Rtn 30 Jul 16
Pittsburgh to Seattle
PIT to SEA CheapOair.com
$339   Dep 10 May 16 - Rtn 15 May 16
Allentown to Denver International
ABE to DEN CheapOair.com
$352   Dep 06 Mar 16 - Rtn 08 Mar 16
Wilkes-Barre to Portland
AVP to PDX CheapOair.com
$354   Dep 12 Apr 16 - Rtn 19 Apr 16
Allentown to Colorado Springs
ABE to COS CheapOair.com
$366   Dep 13 Mar 16 - Rtn 15 Mar 16
Philadelphia to Colorado Springs
PHL to COS CheapOair.com
$367   Dep 15 Mar 16 - Rtn 23 Mar 16
Harrisburg to Portland
MDT to PDX CheapOair.com
$368   Dep 22 Jun 16 - Rtn 02 Jul 16
Pittsburgh to Portland
PIT to PDX CheapOair.com
$373   Dep 01 Mar 16 - Rtn 08 Mar 16
Philadelphia to Spokane
PHL to GEG CheapOair.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 20 Apr 16
 Return 30 Apr 16

Flying with American Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more OneTravel.com flights available on this route
$192   Dep 09 Aug 16 - Rtn 15 Aug 16
Pittsburgh to Denver International
PIT to DEN OneTravel.com
$273   Dep 29 Mar 16 - Rtn 30 Mar 16
Philadelphia to Portland
PHL to PDX OneTravel.com
$284   Dep 06 Jun 16 - Rtn 14 Jun 16
Philadelphia to Salt Lake City
PHL to SLC OneTravel.com
$286   Dep 31 Mar 16 - Rtn 05 Apr 16
Allentown to Denver International
ABE to DEN OneTravel.com
$289   Dep 30 Mar 16 - Rtn 04 Apr 16
Wilkes-Barre to Denver International
AVP to DEN OneTravel.com
$308   Dep 16 Apr 16 - Rtn 23 Apr 16
Philadelphia to Seattle
PHL to SEA OneTravel.com
$309   Dep 30 Mar 16 - Rtn 05 Apr 16
Allentown to Seattle
ABE to SEA OneTravel.com
$328   Dep 26 May 16 - Rtn 31 May 16
Philadelphia to Bozeman
PHL to BZN OneTravel.com
$332   Dep 24 Jul 16 - Rtn 30 Jul 16
Pittsburgh to Seattle
PIT to SEA OneTravel.com
$362   Dep 20 Jul 16 - Rtn 27 Jul 16
Pittsburgh to Salt Lake City
PIT to SLC OneTravel.com
$368   Dep 22 Jun 16 - Rtn 02 Jul 16
Pittsburgh to Portland
PIT to PDX OneTravel.com
$382   Dep 07 Apr 16 - Rtn 12 Apr 16
Philadelphia to Colorado Springs
PHL to COS OneTravel.com
$385   Dep 06 Mar 16 - Rtn 22 Mar 16
Wilkes-Barre to Seattle
AVP to SEA OneTravel.com
$393   Dep 08 Mar 16 - Rtn 22 Mar 16
Harrisburg to Denver International
MDT to DEN OneTravel.com
$404   Dep 05 Mar 16 - Rtn 20 Mar 16
Pittsburgh to Jackson
PIT to JAC OneTravel.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 13 Apr 16
 Return 18 Apr 16

Flying with Frontier Airlines

Price subject to availability

   View more dates
 
Philadelphia (PHL) to Denver International (DEN)
 Depart 02 Mar 16
 Return 10 Mar 16

Price subject to availability

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Philadelphia (PHL) to Missoula (MSO)
 Depart 14 May 16
 Return 21 May 16

Flying with Frontier Airlines

Price subject to availability

   View more dates
 
  • Price
  • Dep date
  15 more momondo.com flights available on this route
$390   Dep 14 May 16 - Rtn 21 May 16
Pittsburgh to Spokane
PIT to GEG momondo.com
$408   Dep 09 May 16 - Rtn 16 May 16
Philadelphia to Missoula
PHL to MSO momondo.com
$412   Dep 04 May 16 - Rtn 11 May 16
Philadelphia to Missoula
PHL to MSO momondo.com
$423   Dep 06 May 16 - Rtn 13 May 16
Wilkes-Barre to Seattle
AVP to SEA momondo.com
$449   Dep 09 May 16 - Rtn 16 May 16
State College to Denver International
SCE to DEN momondo.com
$451   Dep 19 Apr 16 - Rtn 26 Apr 16
Philadelphia to Spokane
PHL to GEG momondo.com
$515   Dep 06 May 16 - Rtn 13 May 16
Allentown to Denver International
ABE to DEN momondo.com
$515   Dep 11 May 16 - Rtn 18 May 16
Allentown to Denver International
ABE to DEN momondo.com
$525   Dep 11 May 16 - Rtn 18 May 16
Wilkes-Barre to Spokane
AVP to GEG momondo.com
$531   Dep 26 Apr 16 - Rtn 03 May 16
Wilkes-Barre to Denver International
AVP to DEN momondo.com
$551   Dep 04 May 16 - Rtn 11 May 16
Philadelphia to Missoula
PHL to MSO momondo.com
$555   Dep 04 May 16 - Rtn 11 May 16
Philadelphia to Kalispell
PHL to FCA momondo.com
$556   Dep 11 Apr 16 - Rtn 18 Apr 16
Wilkes-Barre to Spokane
AVP to GEG momondo.com
$575   Dep 01 May 16 - Rtn 08 May 16
Wilkes-Barre to Colorado Springs
AVP to COS momondo.com
$582   Dep 16 Apr 16 - Rtn 23 Apr 16
Wilkes-Barre to Colorado Springs
AVP to COS momondo.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 16 Mar 16
 Return 23 Mar 16

Price subject to availability

   View more dates
 
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