Cheap flights from Philadelphia to Western United States

View AU$160 flight on Mon, 15 Sep. 2025Opens in a new window

Popular airlines from Philadelphia to Western United States

  • American Airlines

    American Airlines

  • Alaska Airlines

    Alaska Airlines

  • Delta

    Delta

  • United

    United

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Cheap Flights from Philadelphia (ILG) to Western United States (QLA)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 20 Aug. - Wed, 27 Aug.
PHL
Philadelphia
LAS
Las Vegas
AU$289 Return, found 13 hours ago
AU$289
Return
found 13 hours ago
Select American Airlines flight, departing Wed, 20 Aug. from Philadelphia to Las Vegas, returning Wed, 27 Aug., priced at AU$289 found 13 hours ago
American Airlines
Sat, 1 Nov. - Sun, 2 Nov.
PHL
Philadelphia
DEN
Denver
AU$333 Return, found 6 days ago
AU$333
Return
found 6 days ago
Select American Airlines flight, departing Sat, 1 Nov. from Philadelphia to Denver, returning Sun, 2 Nov., priced at AU$333 found 6 days ago
Alaska Airlines
Tue, 4 Nov. - Tue, 18 Nov.
PHL
Philadelphia
LAX
Los Angeles
AU$368 Return, found 2 days ago
AU$368
Return
found 2 days ago
Select Alaska Airlines flight, departing Tue, 4 Nov. from Philadelphia to Los Angeles, returning Tue, 18 Nov., priced at AU$368 found 2 days ago
Delta
Wed, 20 Aug. - Wed, 27 Aug.
PHL
Philadelphia
LAS
Las Vegas
AU$392 Return, found 13 hours ago
AU$392
Return
found 13 hours ago
Select Delta flight, departing Wed, 20 Aug. from Philadelphia to Las Vegas, returning Wed, 27 Aug., priced at AU$392 found 13 hours ago
Hawaiian Airlines
Wed, 1 Oct. - Fri, 24 Oct.
PHL
Philadelphia
LAX
Los Angeles
AU$421 Return, found 2 days ago
AU$421
Return
found 2 days ago
Select Hawaiian Airlines flight, departing Wed, 1 Oct. from Philadelphia to Los Angeles, returning Fri, 24 Oct., priced at AU$421 found 2 days ago
JetBlue Airways
Sat, 20 Sep. - Mon, 6 Oct.
PHL
Philadelphia
SFO
San Francisco
AU$495 Return, found 2 days ago
AU$495
Return
found 2 days ago
Select JetBlue Airways flight, departing Sat, 20 Sep. from Philadelphia to San Francisco, returning Mon, 6 Oct., priced at AU$495 found 2 days ago

Find the cheapest month to fly from Philadelphia (PHL) to Los Angeles (LAX)

September is typically the cheapest month to fly

From AU$120 - AU$271 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.