$57 Cheap flight deals from Phoenix (PHX) to Collinsville (STL)

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This Weekend's Flight Deals from Phoenix to Collinsville

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, Oct 26 - Thu, Oct 30
PHX
Sky Harbor Intl.
STL
Lambert-St. Louis Intl.
$213 Roundtrip, found 3 days ago
$213
Roundtrip
found 3 days ago
Select Frontier Airlines flight, departing Sun, Oct 26 from Sky Harbor Intl. to Lambert-St. Louis Intl., returning Thu, Oct 30, priced at $213 found 3 days ago

Airfares from $57 One Way, $131 Round Trip from Phoenix to Collinsville

Prices starting at $131 for return flights and $57 for one-way flights to Collinsville were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Nov 7 - Mon, Nov 10
PHX
Phoenix
STL
St. Louis
$131 Roundtrip, found 17 hours ago
$131
Roundtrip
found 17 hours ago
Select Frontier Airlines flight, departing Fri, Nov 7 from Phoenix to St. Louis, returning Mon, Nov 10, priced at $131 found 17 hours ago
Fri, Dec 12 - Mon, Dec 15
PHX
Phoenix
STL
St. Louis
$135 Roundtrip, just found
$135
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 12 from Phoenix to St. Louis, returning Mon, Dec 15, priced at $135 just found
Fri, Dec 12 - Mon, Dec 15
PHX
Phoenix
STL
St. Louis
$137 Roundtrip, just found
$137
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Dec 12 from Phoenix to St. Louis, returning Mon, Dec 15, priced at $137 just found
Sat, Nov 8 - Wed, Nov 12
PHX
Phoenix
STL
St. Louis
$152 Roundtrip, found 6 days ago
$152
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Nov 8 from Phoenix to St. Louis, returning Wed, Nov 12, priced at $152 found 6 days ago
Wed, Nov 5 - Sat, Nov 8
PHX
Phoenix
STL
St. Louis
$162 Roundtrip, found 4 days ago
$162
Roundtrip
found 4 days ago
Select Southwest Airlines flight, departing Wed, Nov 5 from Phoenix to St. Louis, returning Sat, Nov 8, priced at $162 found 4 days ago

Collinsville economy flight packages

Price found within the past 48 hours. Click for updated prices.
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
4.0-star property

Angad Arts Hotel St. Louis, Tapestry Collection by Hilton

8.8/10 Excellent! (1,013 reviews)

Nov 26 - Nov 30

4 night stay

Phoenix (PHX) to St. Louis (STL)

United • Non-stop roundtrip • Coach
Price was $697, price is now $520 per person
$520
per person
found 1 day ago
This is a very unique, colorful & artistically interesting property! I would highly recommend and would definitely stay here again!

Reviewed on Sep 9, 2024

The Wildwood Hotel
3.5-star property

The Wildwood Hotel

9.2/10 Wonderful! (1,591 reviews)

Nov 26 - Nov 30

4 night stay

Phoenix (PHX) to St. Louis (STL)

United • Non-stop roundtrip • Coach
Price was $955, price is now $633 per person
$633
per person
found 1 day ago
This hotel was fantastic! Check in was easy with friendly staff, the room was beautiful and well appointed. Breakfast was advertised as a Continental, however they had hot options as well, which was great. Every staff member we saw in the hotel said hi and was friendly. I would definitely stay here again!

Reviewed on Oct 16, 2025

Hilton Garden Inn Chesterfield
3.0-star property

Hilton Garden Inn Chesterfield

8.2/10 Very Good! (767 reviews)

Nov 26 - Nov 30

4 night stay

Phoenix (PHX) to St. Louis (STL)

United • Non-stop roundtrip • Coach
Price was $689, price is now $522 per person
$522
per person
found 1 day ago
Great stay great service

Reviewed on Apr 8, 2025

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More About Flying To Collinsville from Phoenix

Route Information for Flights from Phoenix to Collinsville

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

Phoenix to Collinsville

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Frequently asked questions

Are there non-stop flights from Phoenix to Collinsville?
There most certainly are, which is terrific news if you're not a huge fan of layovers. Southwest Airlines and American Airlines operate nonstop flights from Sky Harbor Intl. Airport (PHX) to STL.
What is the shortest flight from Phoenix to Collinsville?
Keep that movie marathon for your hotel room, because the trip from Phoenix to Collinsville can take as little as 2 hours and 45 minutes.
What airlines fly from Phoenix to Collinsville most frequently?
The carriers that offer the most frequent flights between Phoenix, AZ (PHX-Sky Harbor Intl.) and Lambert-St. Louis Intl. Airport (STL) include Southwest Airlines (WN). This popular option operates 95 flights on the route each month. If you can't find the right flight there, check out the fares with American Airlines (AA). This airline is a fantastic alternative and has 56 flights between Phoenix and Collinsville each 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.

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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.