$60 Cheap flight deals from Collinsville (STL) to Phoenix (PHX)

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This Weekend's Flight Deals from Collinsville to Phoenix

This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jan 4 - Mon, Jan 5
STL
Lambert-St. Louis Intl.
PHX
Sky Harbor Intl.
$262 Roundtrip, found 3 days ago
$262
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Jan 4 from Lambert-St. Louis Intl. to Sky Harbor Intl., returning Mon, Jan 5, priced at $262 found 3 days ago

Airfares from $60 One Way, $98 Round Trip from Collinsville to Phoenix

Prices starting at $98 for return flights and $60 for one-way flights to Phoenix were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Feb 23 - Mon, Mar 2
STL
St. Louis
PHX
Phoenix
$98 Roundtrip, found 6 days ago
$98
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Mon, Feb 23 from St. Louis to Phoenix, returning Mon, Mar 2, priced at $98 found 6 days ago
Sat, Feb 28 - Mon, Mar 2
STL
St. Louis
PHX
Phoenix
$113 Roundtrip, found 6 days ago
$113
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Sat, Feb 28 from St. Louis to Phoenix, returning Mon, Mar 2, priced at $113 found 6 days ago
Mon, Feb 23 - Mon, Mar 2
STL
St. Louis
PHX
Phoenix
$118 Roundtrip, found 1 day ago
$118
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Mon, Feb 23 from St. Louis to Phoenix, returning Mon, Mar 2, priced at $118 found 1 day ago
Sat, Jan 24 - Sat, Jan 31
STL
St. Louis
PHX
Phoenix
$128 Roundtrip, found 3 days ago
$128
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jan 24 from St. Louis to Phoenix, returning Sat, Jan 31, priced at $128 found 3 days ago
Sat, Jan 24 - Sat, Jan 31
STL
St. Louis
PHX
Phoenix
$129 Roundtrip, found 3 days ago
$129
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sat, Jan 24 from St. Louis to Phoenix, returning Sat, Jan 31, priced at $129 found 3 days ago

Phoenix economy flight packages

Price found within the past 48 hours. Click for updated prices.
Fashion Square
3.0-star property

Fashion Square

No reviews

Feb 7 - Feb 14

7 night stay

St. Louis (STL) to Phoenix (PHX)

Southwest Airlines • Coach

Phoenix (PHX) to St. Louis (STL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,125, price is now $794 per person
$794
per person
found 1 day ago
Legacy Golf Resort
3.5-star property

Legacy Golf Resort

8.8/10 Excellent! (1,211 reviews)

Feb 7 - Feb 14

7 night stay

St. Louis (STL) to Phoenix (PHX)

Southwest Airlines • Coach

Phoenix (PHX) to St. Louis (STL)

Frontier Airlines • Coach
Save 100% on your flight
Price was $1,227, price is now $870 per person
$870
per person
found 1 day ago
The amenities were over the top; friendly staff; every space was gorgeous! TY! We will most definitely be back!

Reviewed on Dec 17, 2025

Mountain Shadows Resort Scottsdale
4.5-star property

Mountain Shadows Resort Scottsdale

9.8/10 Exceptional! (1,012 reviews)

Feb 6 - Feb 8

2 night stay

St. Louis (STL) to Phoenix (PHX)

Frontier Airlines • Roundtrip • Coach
Save 100% on your flight
Price was $1,636, price is now $1,171 per person
$1,171
per person
found 1 day ago
Amazing property and amazing amenities and amazing value!

Reviewed on May 22, 2025

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More About Flying To Phoenix from Collinsville

Route Information for Flights from Collinsville to Phoenix

Origin Airport IATA Code
STL
Destination Airport IATA Code
PHX
Distance
Direct Flight Airlines
Earliest Flight Arrival
Latest Flight Arrival

Collinsville to Phoenix

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Frequently asked questions

Are there non-stop flights from Collinsville to Phoenix?
Two airlines offer nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Phoenix, AZ (PHX-Sky Harbor Intl.) — Southwest Airlines and American Airlines. They'll take you where you need to go in style and comfort.
What is the shortest flight from Collinsville to Phoenix?
With the flight from STL to Phoenix Sky Harbor Intl. Airport taking a minimum of 3 hours and 20 minutes, you'll have plenty of time to sit back and enjoy the ride. Order an in-flight vino and get comfortable in your seat with a riveting movie or novel.
What airlines fly from Collinsville to Phoenix most frequently?
Southwest Airlines (WN) is one of the carriers with the most flights from Lambert Field to PHX. It offers 95 services each month on this route. Going on vacation is one of life's biggest pleasures, and this airline will get you where you need to go. American Airlines (AA) also services the route from Collinsville to Phoenix. It's another great option and has 56 flights every month.
What is the cheapest day of the week to fly?
Consider flying out early in the week to save on your airfare. Orbitz data from 2021 shows that Monday is the cheapest day to depart, followed by Tuesday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.
What is the cheapest month to fly?
We won't keep you guessing, according to Orbitz data from 2021, the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a break from it all in the shortest month of the year. Be aware that the most expensive time to fly is during the height of summer in July, and in the holiday month of December.*According to flight demand on Orbitz.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

More Destinations

Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.

Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.

Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.