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 24 Jun 16
 Return 25 Jun 16

Flying with Frontier Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more OneTravel.com flights available on this route
$228   Dep 17 Sep 16 - Rtn 24 Sep 16
Pittsburgh to Salt Lake City
PIT to SLC OneTravel.com
$232   Dep 27 Aug 16 - Rtn 29 Aug 16
Pittsburgh to Denver International
PIT to DEN OneTravel.com
$252   Dep 13 Jul 16 - Rtn 19 Jul 16
Allentown to Denver International
ABE to DEN OneTravel.com
$272   Dep 17 Sep 16 - Rtn 24 Sep 16
Pittsburgh to Seattle
PIT to SEA OneTravel.com
$288   Dep 31 Aug 16 - Rtn 06 Sep 16
Philadelphia to Salt Lake City
PHL to SLC OneTravel.com
$292   Dep 07 Jun 16 - Rtn 14 Jun 16
Harrisburg to Denver International
MDT to DEN OneTravel.com
$298   Dep 18 Aug 16 - Rtn 30 Aug 16
Pittsburgh to Portland
PIT to PDX OneTravel.com
$305   Dep 16 Sep 16 - Rtn 27 Sep 16
Philadelphia to Seattle
PHL to SEA OneTravel.com
$335   Dep 17 May 16 - Rtn 24 May 16
Philadelphia to Colorado Springs
PHL to COS OneTravel.com
$365   Dep 01 Jun 16 - Rtn 04 Jun 16
Pittsburgh to Colorado Springs
PIT to COS OneTravel.com
$366   Dep 09 Jun 16 - Rtn 11 Jun 16
Wilkes-Barre to Denver International
AVP to DEN OneTravel.com
$374   Dep 31 May 16 - Rtn 07 Jun 16
Allentown to Seattle
ABE to SEA OneTravel.com
$386   Dep 03 Aug 16 - Rtn 10 Aug 16
Williamsport to Denver International
IPT to DEN OneTravel.com
$390   Dep 24 May 16 - Rtn 08 Jun 16
Pittsburgh to Spokane
PIT to GEG OneTravel.com
$406   Dep 04 Oct 16 - Rtn 19 Oct 16
Philadelphia to Spokane
PHL to GEG OneTravel.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 12 May 16
 Return 16 May 16

Price subject to availability

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Philadelphia (PHL) to Denver International (DEN)
 Depart 09 Jun 16
 Return 22 Jun 16

Flying with American Airlines

Price subject to availability

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  • Price
  • Dep date
  15 more CheapOair.com flights available on this route
$188   Dep 14 Sep 16 - Rtn 20 Sep 16
Pittsburgh to Denver International
PIT to DEN CheapOair.com
$228   Dep 17 Sep 16 - Rtn 24 Sep 16
Pittsburgh to Salt Lake City
PIT to SLC CheapOair.com
$252   Dep 13 Jul 16 - Rtn 19 Jul 16
Allentown to Denver International
ABE to DEN CheapOair.com
$262   Dep 11 Oct 16 - Rtn 18 Oct 16
Philadelphia to Portland
PHL to PDX CheapOair.com
$272   Dep 17 Sep 16 - Rtn 24 Sep 16
Pittsburgh to Seattle
PIT to SEA CheapOair.com
$274   Dep 04 Jun 16 - Rtn 10 Jun 16
Wilkes-Barre to Denver International
AVP to DEN CheapOair.com
$275   Dep 31 Aug 16 - Rtn 14 Sep 16
Philadelphia to Salt Lake City
PHL to SLC CheapOair.com
$286   Dep 06 Sep 16 - Rtn 13 Sep 16
Philadelphia to Seattle
PHL to SEA CheapOair.com
$292   Dep 07 Jun 16 - Rtn 14 Jun 16
Harrisburg to Denver International
MDT to DEN CheapOair.com
$298   Dep 18 Aug 16 - Rtn 30 Aug 16
Pittsburgh to Portland
PIT to PDX CheapOair.com
$332   Dep 03 Jul 16 - Rtn 09 Jul 16
Philadelphia to Colorado Springs
PHL to COS CheapOair.com
$356   Dep 03 Jun 16 - Rtn 06 Jun 16
Allentown to Seattle
ABE to SEA CheapOair.com
$365   Dep 01 Jun 16 - Rtn 04 Jun 16
Pittsburgh to Colorado Springs
PIT to COS CheapOair.com
$368   Dep 14 Sep 16 - Rtn 18 Sep 16
Williamsport to Salt Lake City
IPT to SLC CheapOair.com
$390   Dep 24 May 16 - Rtn 28 May 16
Pittsburgh to Spokane
PIT to GEG CheapOair.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 14 May 16
 Return 16 May 16

Flying with Spirit Airlines

Price subject to availability

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Pittsburgh (PIT) to Denver International (DEN)
 Depart 25 Aug 16
 Return 29 Aug 16

Flying with Frontier Airlines

Price subject to availability

   View more dates
 
Philadelphia (PHL) to Salt Lake City (SLC)
 Depart 08 Jun 16
 Return 15 Jun 16

Price subject to availability

   View more dates
 
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