How does KAYAK find such low prices on flights from Arizona to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to St. Louis. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Arizona to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Arizona with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$27 CHEAP FLIGHTS from Arizona to St. Louis

STL

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$88

Overall average: $261

Frontier

Fri 1/16Mon 1/19

LAS - STL • Non-stop

Cheapest one-way

$27

Typical prices: $145-$263

Frontier

Mon 12/29

PHX - STL • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to St. Louis!

Flight Deals

Cheap Flights from Arizona to St. Louis

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Arizona to St. Louis that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Arizona to St. Louis

Fri, Jan 16 - Mon, Jan 19

7:00 am - 12:15 pmLAS-STL

3h 15mnonstop

9:47 pm - 11:46 pmSTL-LAS

3h 59mnonstop

$88Frontier

Find Deal

Wed, Nov 26 - Fri, Nov 28

3:50 pm - 9:09 pmLAS-STL

3h 19mnonstop

12:01 pm - 1:46 pmSTL-LAS

3h 45mnonstop

$107Frontier

Find Deal

Wed, Dec 3 - Wed, Dec 10

8:25 am - 12:20 pmPHX-STL

2h 55mnonstop

8:50 am - 11:20 amSTL-PHX

3h 30mnonstop

$149Southwest

Find Deal

Fri, Jan 16 - Mon, Jan 19

12:05 pm - 10:46 pmLAS-STL

8h 41m1 stop

9:47 pm - 11:46 pmSTL-LAS

3h 59mnonstop

$152Multiple Airlines

Find Deal

Fri, Dec 5 - Sat, Dec 6

6:30 pm - 10:20 pmPHX-STL

2h 50mnonstop

5:25 am - 7:55 amSTL-PHX

3h 30mnonstop

$174Southwest

Find Deal

Mon, Dec 29 - Mon, Jan 5

9:50 pm - 10:56 amLAS-STL

11h 06m1 stop

10:10 pm - 12:02 amSTL-LAS

3h 52mnonstop

$185Multiple Airlines

Find Deal

Tue, Dec 2 - Tue, Dec 9

7:00 am - 1:30 pmPHX-STL

5h 30m1 stop

6:00 am - 2:00 pmSTL-PHX

9h 00m1 stop

$217Delta

Find Deal

Thu, Dec 4 - Sat, Dec 6

12:59 am - 9:10 amPHX-STL

7h 11m1 stop

1:00 pm - 5:49 pmSTL-PHX

5h 49m1 stop

$223Delta

Find Deal

Tue, Dec 2 - Tue, Dec 9

1:20 pm - 7:30 pmPHX-STL

5h 10m1 stop

2:37 pm - 5:06 pmSTL-PHX

3h 29mnonstop

$229American Airlines

Find Deal

Wed, Jan 28 - Wed, Feb 4

6:25 am - 2:43 pmTUS-STL

7h 18m2 stops

2:38 pm - 9:47 pmSTL-TUS

8h 09m1 stop

$272American Airlines

Find Deal

Useful Info

Low season	January
High season	November
Cheapest flight	$27

Best time to beat the crowds with an average 4% drop in price.

Most popular time to fly with an average 3% increase in price.

Flight from Phoenix to St. Louis

How does KAYAK find such low prices on flights from Arizona to St. Louis?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to St. Louis.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to St. Louis?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Arizona to St. Louis?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Arizona with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to St. Louis?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

Everything you need to know for your flight to St. Louis

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in St. Louis

St. Louis (STL)

STL

$27 Find Cheap Flights from Arizona to St. Louis

KAYAK searches hundreds of travel sites at once for deals on flights to St. Louis

Everything you should know

Cheap Flights from Arizona to St. Louis

Recent round-trip flight deals from Arizona to St. Louis

Recent one-way flight deals from Arizona to St. Louis

Recent last minute flight deals from Arizona to St. Louis

Recent direct flight deals from Arizona to St. Louis

Good to know

FAQs for booking flights from Arizona to St. Louis

How does KAYAK find such low prices on flights from Arizona to St. Louis?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Arizona to St. Louis.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Arizona to St. Louis?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to St. Louis from Arizona is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Arizona to St. Louis?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to St. Louis with an airline and back to Arizona with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Arizona to St. Louis?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to St. Louis from Arizona up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near St. Louis?

Everything you need to know for your flight to St. Louis

Information on the airport you'll fly into in St. Louis

Cabin class types available on flights to Arizona

Complete your trip to St. Louis with a hotel stay or car rental

Find direct flights for St. Louis

Flights to other popular destinations

Flights from domestic origins to St. Louis

Choose which airport to fly into in St. Louis

Find deals for your return flight