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Cheap flights from St Louis to Sky Harbor International (STL - PHX)

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The best prices from St Louis to Sky Harbor International are usually found in January or September, booked 36 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from
St Louis (STL) to Sky Harbor International (PHX)

STL - PHX
Price
$307 - $360
Popular in December High demand for flights, 7% potential price rise
Cheapest in January Best time to find cheap flights, 8% potential price drop
Average price $347 Average for round-trip flights in July 2020
Round-trip from $307 From St Louis to Sky Harbor International
Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from St Louis to Sky Harbor International?

Monday is generally a great day to depart. Flying on this day could help you save up to 14%.

How far in advance should I book a flight from St Louis to Sky Harbor International?

To save on the cost of your flight from St Louis to Sky Harbor International, book at least 31 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $86 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $92.

What is the cheapest month to fly from St Louis to Sky Harbor International?

September can be a great time to fly to Sky Harbor International from St Louis with a flight ticket averaging about $145. Cheapflights users have found deals in the month of September for as cheap as $37. The most expensive prices can be found in the month of March.

Cheap flights from St Louis to Sky Harbor International in July, August 2020

The best prices found for STL to PHX flights for July, August
24 Jul - 27 Jul
$211pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
17 Jul - 8 Aug
$218pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
American Airlines
Non-Stop
STL
Lambert-St Louis
17 Jul - 19 Jul
$219pp
STL
Lambert-St Louis
Sun Country Air
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Sun Country Air
 
1 STOP
STL
Lambert-St Louis

St Louis to Sky Harbor International 2020 flight deals

Cheap flights to Sky Harbor International from St Louis found for this year
14 Aug - 16 Aug
$199pp
STL
Lambert-St Louis
Sun Country Air
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
24 Jul - 27 Jul
$211pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
17 Jul - 6 Aug
$218pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
American Airlines
Non-Stop
STL
Lambert-St Louis

Last minute flights from St Louis to Sky Harbor International

Late deals on round-trip flights to Sky Harbor International from St Louis, departing today and this week
27 Jun - 5 Jul
$274pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
28 Jun - 5 Jul
$305pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Sun Country Air
 
1 STOP
STL
Lambert-St Louis
27 Jun - 28 Jun
$313pp
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis

One-way flights to Sky Harbor International from St Louis

The cheapest one-way flights from St Louis to Sky Harbor International
4:19 pm - 9:08 am
Multiple Airlines
2 Stops
18h 49m
STL - PHX
Multiple Airlines
$323
Kiwi.com
7:00 am - 1:16 pm
Sun Country Air
1 Stop
8h 16m
STL - PHX
Sun Country Air
3:45 am - 8:10 am
Delta
1 Stop
6h 25m
STL - PHX
Delta
$383
Delta

Related info for your journey

Useful info, stats and facts about St Louis to Sky Harbor International flights.

Flight FAQs

From St Louis to Sky Harbor International

Are flight prices decreasing from St Louis to Phoenix due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both St Louis and Phoenix for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from St Louis to Sky Harbor International for under $200 on Cheapflights?

Yes, there are multiple flights from St Louis to Sky Harbor International for under $200. The cheapest flight booked recently is on Sun Country Air for just $199, but on average you can expect to pay $227.

Are there nonstop flights from St Louis to Sky Harbor International for under $200 on Cheapflights?

There are no nonstop flights from St Louis to Sky Harbor International, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from St Louis to Sky Harbor International for under $300?

There are currently 20+ open flights from St Louis to Sky Harbor International within the next 7 days for less than $300.

What days are nonstop flights available from St Louis to Phoenix?

You can find nonstop flights on the following days: Friday.

How popular is this flight route?

The Lambert-St Louis to Phoenix Sky Harbor Intl flight path was viewed by 123 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for US Airways, as currently they have the cheapest options available from St Louis to Phoenix. On average you can find 87 flights for this flight path daily.

How long does the flight from St Louis to Sky Harbor International take?

You can expect a flight time of up to 4 hours for nonstop. Airlines will travel a distance of up to 787 miles.

How many flights depart from St Louis to Sky Harbor International on average per day?

On average 2 flights depart from Lambert-St Louis to Phoenix Sky Harbor Intl per day.
Morning (6am - Noon) - 50% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures

Does it rain more in St Louis or Phoenix?

St Louis will have greater rainfall in 0 compared to Phoenix over the next 13 days.

Is St Louis weather warmer or cooler than Phoenix?

Temperatures around the 108 °F's can be experienced in July. The weather in Phoenix is hotter than in St Louis. Plan for potential changes in flight availability as peak weather approaches in this location.

Related searches

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Destination information for Sky Harbor International

Things to know before you go. Useful info for your trip from St Louis to Sky Harbor International

Airports servicing St. Louis

Airports servicing Phoenix

Hourly flight availability from St Louis to Sky Harbor International

Morning 6 AM to noon 72% of STL to PHX departures
Afternoon Noon to 6 PM 14% of STL to PHX departures
Evening 6 PM to midnight 14% of STL to PHX departures
Early morning Midnight to 6 AM 0% of STL to PHX departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from St Louis to Sky Harbor International
Sunday
7 daily flights
Monday
7 daily flights
Tuesday
6 daily flights
Wednesday
6 daily flights
Thursday
7 daily flights
Friday
7 daily flights
Saturday
1 daily flight