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Cheap flights from Phoenix to St. Louis
Round-trip
Economy
Flight information for Phoenix to St. Louis
(PHX to STL)
Find info about flight duration, direct flights, and airports for your flight from Phoenix to St. Louis
| Best Price Found | $165 | The best flight deal from Phoenix to St. Louis found on momondo in the last 72 hours is $165 | |
| Fastest flight time | 2h 57m | The fastest flight from Phoenix to St. Louis takes 2h 57m. | |
| Direct flights | None | There are no direct flights from Phoenix to St. Louis. Popular non-direct route for this connection is Phoenix Sky Harbor Intl - Lambert-St Louis. | |
| Airports in St. Louis | 1 airport | There is 1 airport near St. Louis: Lambert-St Louis (STL) |
How to get the cheapest flight ticket from Phoenix to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
September
The cheapest time of year to fly to St. Louis from Phoenix is September. Most expensive is December
What is the cheapest day to fly to St. Louis?
Wednesday
The cheapest day of the week is typically Wednesday. The most expensive is typically Sunday
When is the cheapest time to fly to St. Louis?
in the evening
Phoenix to St. Louis flights are approximately 28% more expensive in the afternoon than in the evening
What is the cheapest airline that flies to St. Louis?
Sun Country Air
Sun Country Air, Frontier, and United Airlines are the most popular carriers operating from Phoenix to St. Louis
What is the cheapest route?
Phoenix Sky Harbor Intl - Lambert-St Louis
Fly from Phoenix Sky Harbor Intl to Lambert-St Louis for the best Phoenix - St. Louis flight prices
PHX
Phoenix Sky Harbor Intl
STL
Lambert-St Louis
When is the cheapest time to book a flight to St. Louis?
34 days before
The cheapest time to buy a flight from Phoenix to St. Louis is approximately 34 days to departure
60
Days before departure
0
Easily compare round-trip flights from Phoenix to St. Louis
Below you can see the best fares for your round-trip flight route over the next three months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Phoenix to St. Louis by changing tabs
Cheapest
Best
Quickest
Multiple Airlines
Oct 21
PHX
Phoenix Sky Harbor Intl
27h 05m
2 stops
STL
Lambert-St Louis
Oct 28
STL
Lambert-St Louis
26h 42m
2 stops
PHX
Phoenix Sky Harbor Intl
$159
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Multiple Airlines
Oct 12
PHX
Phoenix Sky Harbor Intl
7h 04m
1 stop
STL
Lambert-St Louis
Oct 17
STL
Lambert-St Louis
6h 27m
1 stop
PHX
Phoenix Sky Harbor Intl
$175
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Multiple Airlines
Oct 7
PHX
Phoenix Sky Harbor Intl
12h 20m
1 stop
STL
Lambert-St Louis
Oct 12
STL
Lambert-St Louis
3h 24m
PHX
Phoenix Sky Harbor Intl
$178
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Find the cheapest one-way flights from Phoenix to St. Louis
If you're looking for one-way flights from Phoenix to St. Louis, view some of our deals below provided by Sun Country Air
Cheapest
Best
Quickest
Sun Country Air
Oct 14
PHX
Phoenix Sky Harbor Intl
21h 44m
1 stop
STL
Lambert-St Louis
$75
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Multiple Airlines
Oct 7
PHX
Phoenix Sky Harbor Intl
19h 24m
2 stops
STL
Lambert-St Louis
$81
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Delta
Oct 13
PHX
Phoenix Sky Harbor Intl
8h 08m
1 stop
STL
Lambert-St Louis
$113
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