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.
Harrisburg (MDT) to Denver International (DEN)
 Depart 19 May 15
 Return 17 Jun 15

Flying with United Airlines

Price subject to availability

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  • Price
  • Dep date
  5 more OneTravel.com flights available on this route
$426   Dep 15 May 15 - Rtn 17 Jun 15
Williamsport to Denver International
IPT to DEN OneTravel.com
$453   Dep 15 May 15 - Rtn 16 Jun 15
Philadelphia to Seattle
PHL to SEA OneTravel.com
$459   Dep 15 May 15 - Rtn 17 Jun 15
Wilkes-Barre to Denver International
AVP to DEN OneTravel.com
$658   Dep 15 May 15 - Rtn 18 Jun 15
Philadelphia to Jackson
PHL to JAC OneTravel.com
$704   Dep 17 May 15 - Rtn 01 Jun 15
Pittsburgh to Bozeman
PIT to BZN OneTravel.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 27 May 15
 Return 03 Jun 15

Price subject to availability

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  • Price
  • Dep date
  6 more Flightnetwork flights available on this route
$308   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$325   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$335   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$371   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$389   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
$402   Dep 27 May 15 - Rtn 03 Jun 15
Philadelphia to Denver International
PHL to DEN Flightnetwork
Philadelphia (PHL) to Portland (PDX)
 Depart 29 May 15
 Return 05 Jun 15

Price subject to availability

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Latrobe (LBE) to Denver International (DEN)
 Depart 24 Jun 15
 Return 08 Jul 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
$330   Dep 11 Aug 15 - Rtn 19 Aug 15
Harrisburg to Denver International
MDT to DEN CheapOair.com
$339   Dep 01 Jul 15 - Rtn 07 Jul 15
Latrobe to Denver International
LBE to DEN CheapOair.com
$348   Dep 15 May 15 - Rtn 03 Jun 15
Philadelphia to Portland
PHL to PDX CheapOair.com
$350   Dep 05 Aug 15 - Rtn 14 Aug 15
Harrisburg to Denver International
MDT to DEN CheapOair.com
$364   Dep 21 Jul 15 - Rtn 30 Jul 15
Philadelphia to Denver International
PHL to DEN CheapOair.com
$369   Dep 16 Sep 15 - Rtn 19 Sep 15
Pittsburgh to Denver International
PIT to DEN CheapOair.com
$371   Dep 17 Aug 15 - Rtn 02 Sep 15
Philadelphia to Seattle
PHL to SEA CheapOair.com
$372   Dep 15 May 15 - Rtn 02 Jun 15
Pittsburgh to Denver International
PIT to DEN CheapOair.com
$377   Dep 17 May 15 - Rtn 17 Jul 15
Philadelphia to Denver International
PHL to DEN CheapOair.com
$379   Dep 25 May 15 - Rtn 03 Jun 15
Latrobe to Portland
LBE to PDX CheapOair.com
$381   Dep 26 Jul 15 - Rtn 31 Jul 15
Philadelphia to Denver International
PHL to DEN CheapOair.com
$385   Dep 27 May 15 - Rtn 06 Jun 15
Harrisburg to Seattle
MDT to SEA CheapOair.com
$414   Dep 26 May 15 - Rtn 03 Jun 15
Philadelphia to Seattle
PHL to SEA CheapOair.com
$414   Dep 29 Jul 15 - Rtn 04 Aug 15
Philadelphia to Seattle
PHL to SEA CheapOair.com
$417   Dep 14 Jul 15 - Rtn 23 Jul 15
Pittsburgh to Colorado Springs
PIT to COS CheapOair.com
Philadelphia (PHL) to Denver International (DEN)
 Depart 05 May 15
 Return 12 May 15

Flying with Frontier Airlines

Price subject to availability

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Wilkes-Barre (AVP) to Bozeman (BZN)
 Depart 22 Jul 15
 Return 29 Jul 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
$606   Dep 15 Jul 15 - Rtn 22 Jul 15
Wilkes-Barre to Colorado Springs
AVP to COS momondo.com
$618   Dep 29 Jul 15 - Rtn 05 Aug 15
Philadelphia to Colorado Springs
PHL to COS momondo.com
$627   Dep 08 Jul 15 - Rtn 15 Jul 15
Wilkes-Barre to Colorado Springs
AVP to COS momondo.com
$642   Dep 22 Jul 15 - Rtn 29 Jul 15
Allentown to Denver International
ABE to DEN momondo.com
$645   Dep 29 Jul 15 - Rtn 05 Aug 15
Allentown to Denver International
ABE to DEN momondo.com
$684   Dep 08 Jul 15 - Rtn 15 Jul 15
Wilkes-Barre to Colorado Springs
AVP to COS momondo.com
$690   Dep 01 Jul 15 - Rtn 08 Jul 15
Wilkes-Barre to Boise
AVP to BOI momondo.com
$694   Dep 01 Jul 15 - Rtn 08 Jul 15
Wilkes-Barre to Boise
AVP to BOI momondo.com
$746   Dep 22 Jul 15 - Rtn 29 Jul 15
Wilkes-Barre to Bozeman
AVP to BZN momondo.com
$759   Dep 29 Jul 15 - Rtn 05 Aug 15
Philadelphia to Jackson
PHL to JAC momondo.com
$761   Dep 29 Jul 15 - Rtn 05 Aug 15
Pittsburgh to Colorado Springs
PIT to COS momondo.com
$771   Dep 15 Jul 15 - Rtn 22 Jul 15
Wilkes-Barre to Colorado Springs
AVP to COS momondo.com
$787   Dep 22 Jul 15 - Rtn 29 Jul 15
Pittsburgh to Colorado Springs
PIT to COS momondo.com
$797   Dep 22 Jul 15 - Rtn 29 Jul 15
Wilkes-Barre to Spokane
AVP to GEG momondo.com
$811   Dep 22 Jul 15 - Rtn 29 Jul 15
Allentown to Denver International
ABE to DEN momondo.com
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