$55 Cheap Frontier Airlines flights Los Angeles (LAX) to Phoenix (PHX)

View $55 flight on Sat, Sep 13, 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 30% on select hotels after you book a flight*
  • one key icon
    Earn twice
    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$55 Cheap Frontier Airlines flights Los Angeles (LAX) to Phoenix (PHX)

Prices were available within the past 7 days and start at $55 for one-way flights and $90 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Sep 13 - Tue, Sep 16
LAX
Los Angeles
PHX
Phoenix
$90 Roundtrip, just found
$90
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 13 from Los Angeles to Phoenix, returning Tue, Sep 16, priced at $90 just found
Frontier Airlines
Thu, Aug 21 - Sat, Aug 23
LAX
Los Angeles
PHX
Phoenix
$94 Roundtrip, just found
$94
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Aug 21 from Los Angeles to Phoenix, returning Sat, Aug 23, priced at $94 just found
Frontier Airlines
Mon, Sep 15 - Thu, Sep 25
LAX
Los Angeles
PHX
Phoenix
$99 Roundtrip, just found
$99
Roundtrip
just found
Select Frontier Airlines flight, departing Mon, Sep 15 from Los Angeles to Phoenix, returning Thu, Sep 25, priced at $99 just found
Frontier Airlines
Thu, Jul 17 - Sat, Jul 19
LAX
Los Angeles
PHX
Phoenix
$100 Roundtrip, just found
$100
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jul 17 from Los Angeles to Phoenix, returning Sat, Jul 19, priced at $100 just found
Frontier Airlines
Thu, Sep 11 - Fri, Sep 12
LAX
Los Angeles
PHX
Phoenix
$104 Roundtrip, just found
$104
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Sep 11 from Los Angeles to Phoenix, returning Fri, Sep 12, priced at $104 just found
Frontier Airlines
Wed, Sep 17 - Sat, Sep 27
LAX
Los Angeles
PHX
Phoenix
$110 Roundtrip, found 1 day ago
$110
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, Sep 17 from Los Angeles to Phoenix, returning Sat, Sep 27, priced at $110 found 1 day ago
Flights from Los Angeles (LAX) to Phoenix (PHX)
Origin airport
Los Angeles Intl.
Destination airport
Sky Harbor Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, JetBlue Airways, Southern Airways Express, Southwest Airlines, Spirit Airlines, United
Popular airline
Frontier Airlines
Distance
369 mi
Average flight time
1 hour 26 mins

Frequently asked questions

How much is a Frontier Airlines flight from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX)?
Landing cheap one-way Frontier Airlines flights from LAX to PHX from $55 on Expedia is a breeze --- just filter by "Price (lowest to highest)." Or check out our affordable round-trip fares from $90 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LAX to PHX with Frontier Airlines?
Look for one-way or return flights to Phoenix in July or August. You could find a cheap fare with Frontier Airlines during these off-peak months.
What is the cheapest time to book flights from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX) with Frontier Airlines?
Search for affordable Frontier Airlines flights from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. Regardless of fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Frontier Airlines fly nonstop from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX)?
Frontier Airlines operates direct flights from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX), with 12 departures every week. Simply use the "Nonstop" and "Airline" filters during your search on Expedia to see all direct Frontier Airlines flights to PHX.
How long does it take to fly from LAX to PHX with Frontier Airlines?
It takes approximately 1h 34m to travel nonstop from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX) with Frontier Airlines.
Which day of the week has the most Frontier Airlines flights from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX)?
Frontier Airlines has the most flights from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX) on Sunday. With up to 2 daily departures, you'll get the most flexibility on this day.
What is the earliest Frontier Airlines flight from LAX to PHX?
Setting off from LAX at 10:59AM UTC-8, the first Frontier Airlines flight to PHX lands at 1:33PM UTC-7. Flying early means you'll be less likely to encounter delays.* Not a morning person? The last Frontier Airlines flight from LAX to PHX departs at 8:18PM UTC-8 and touches down at 10:52PM UTC-7.*Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Frontier Airlines fly into in Phoenix?
Frontier Airlines flights from Los Angeles Intl. Airport (LAX) to Phoenix come in to land at Sky Harbor Intl. Airport (PHX). This is the main gateway to this city.
Why fly with Frontier Airlines from LAX to PHX?
Offering a rewarding loyalty program, Frontier Airlines is a top pick for many travelers heading from LAX to PHX. Plus, if you're a Frontier Miles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does Frontier Airlines fly from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX)?
For the Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX) route, Frontier Airlines typically operates Airbus A320neo and Airbus A321neo planes. Keep in mind that last-minute changes are possible for operational demands, meaning your flight could be on a different aircraft.
Can I change or cancel my Frontier Airlines flight from Los Angeles Intl. Airport (LAX) to Sky Harbor Intl. Airport (PHX)?
Depending on the type of ticket you purchased, a fee generally applies if you modify or cancel your booking more than 24 hours after confirmation. To find plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes while looking for flights. To learn more about modifying or canceling your reservation, visit "Trips," select your flight and tick "Manage Booking."

Explore a world of travel with Expedia

*Available to One Key members.