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.

$63 CHEAP FLIGHTS from Arizona to St. Louis

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Flight Deals

Cheap Flights from Arizona to St. Louis

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

Tue, Sep 15 - Tue, Sep 22

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$126Frontier

Wed, Sep 23 - Mon, Sep 28

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$161Frontier

Tue, Nov 3 - Sat, Nov 7

12:00 pm - 5:25 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

4h 25m1 stop Omaha Eppley Airfield

6:20 am - 8:45 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$283Southwest

Tue, Sep 15 - Tue, Sep 22

3:25 pm - 8:25 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

6:30 pm - 10:10 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

5h 40m1 stop Denver Intl

$287Southwest

Thu, Nov 5 - Tue, Nov 10

7:56 pm - 11:56 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

8:00 am - 10:36 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 36mnonstop

$287American Airlines

Sat, Oct 24 - Mon, Oct 26

8:35 am - 1:37 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 02mnonstop

2:31 pm - 4:05 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 34mnonstop

$287American Airlines

Mon, Oct 12 - Tue, Oct 20

12:50 am - 8:53 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

6h 03m1 stop Minneapolis St Paul

7:00 pm - 10:43 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

5h 43m1 stop Salt Lake City

$297Delta

Tue, Sep 15 - Thu, Sep 17

5:15 pm - 12:44 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

5h 29m1 stop Salt Lake City

6:55 pm - 11:56 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

7h 01m1 stop Salt Lake City

$307Delta

Tue, Sep 15 - Thu, Sep 17

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

3:19 pm - 11:17 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

9h 58m1 stop Seattle/Tacoma Intl

$309Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

7:20 pm - 7:38 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

26h 18m3 stops Jonesboro Nashville Intl Denver Intl

$324Multiple Airlines

Recent last minute flight deals from Arizona to St. Louis

Wed, Aug 26 - Wed, Sep 2

10:09 pm - 5:50 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

17h 41m1 stop Las Vegas Harry Reid Intl

6:45 pm - 12:48 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

20h 03m1 stop Las Vegas Harry Reid Intl

$352Frontier

Wed, Aug 26 - Sun, Aug 30

2:15 pm - 7:13 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

26h 58m1 stop Denver Intl

5:27 pm - 11:00 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

7h 33m1 stop Dallas/Fort Worth

$365Frontier

Sun, Aug 23 - Sun, Aug 30

6:00 am - 4:31 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

8h 31m1 stop Dallas/Fort Worth

6:45 pm - 10:30 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

41h 45m2 stops Las Vegas Harry Reid Intl Page

$442Multiple Airlines

Wed, Aug 26 - Sat, Aug 29

12:30 pm - 5:37 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 07mnonstop

8:00 am - 9:18 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 18mnonstop

$561American Airlines

Tue, Aug 25 - Tue, Sep 1

5:40 pm - 10:35 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

11:55 am - 1:05 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 10mnonstop

$561Southwest

Tue, Aug 25 - Sat, Aug 29

6:00 am - 10:55 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

2:15 pm - 3:25 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 10mnonstop

$561Southwest

Tue, Aug 25 - Tue, Sep 1

7:49 pm - 5:10 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

19h 21m2 stops San Diego Portland

5:27 pm - 11:00 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

7h 33m1 stop Dallas/Fort Worth

$577Multiple Airlines

Wed, Aug 26 - Sun, Aug 30

12:30 pm - 5:37 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 07mnonstop

2:29 pm - 3:48 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 19mnonstop

$595American Airlines

Sat, Aug 22 - Wed, Aug 26

7:12 am - 8:33 pmTUS Tucson-STL Lambert-St Louis

11h 21m2 stops Salt Lake City Atlanta Hartsfield-Jackson

3:39 pm - 9:41 pmSTL Lambert-St Louis-TUS Tucson

8h 02m1 stop Atlanta Hartsfield-Jackson

$987Delta

Sat, Aug 22 - Wed, Aug 26

11:20 am - 9:00 pmTUS Tucson-STL Lambert-St Louis

7h 40m1 stop Salt Lake City

7:00 am - 12:18 pmSTL Lambert-St Louis-TUS Tucson

7h 18m1 stop Atlanta Hartsfield-Jackson

$1,049Delta

Recent direct flight deals from Arizona to St. Louis

Tue, Sep 15 - Tue, Sep 22

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$126Frontier

Wed, Sep 23 - Mon, Sep 28

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$161Frontier

Thu, Sep 10 - Tue, Sep 15

6:00 am - 11:17 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$165Frontier

Tue, Sep 29 - Wed, Oct 7

6:15 am - 11:32 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 17mnonstop

12:17 pm - 1:52 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$165Frontier

Thu, Nov 5 - Tue, Nov 10

7:56 pm - 11:56 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

8:00 am - 10:36 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 36mnonstop

$287American Airlines

Sat, Oct 24 - Mon, Oct 26

8:35 am - 1:37 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 02mnonstop

2:31 pm - 4:05 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 34mnonstop

$287American Airlines

Tue, Sep 8 - Thu, Sep 10

6:00 am - 10:55 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

8:45 pm - 10:00 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 15mnonstop

$287Southwest

Sat, Sep 19 - Mon, Sep 21

8:30 am - 1:44 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 14mnonstop

8:00 am - 9:25 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$287American Airlines

Thu, Sep 24 - Mon, Sep 28

5:00 am - 9:50 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 50mnonstop

6:00 am - 7:15 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 15mnonstop

$297Southwest

Thu, Sep 17 - Thu, Sep 24

6:55 pm - 11:55 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

8:45 pm - 10:00 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 15mnonstop

$297Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$63

Best time to beat the crowds with an average 7% drop in price.

Most popular time to fly with an average 9% increase in price.

Flight from Las Vegas 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.

Fenton

O'Fallon

Wentzville

Farmington

Eureka

Litchfield

Grafton

Shrewsbury

Glencoe

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

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Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

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Return flight deals

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

St. Louis (STL)

STL

$63 Find Cheap Flights from Arizona to St. Louis - Compare and Save

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

Low season

High season

Cheapest flight

FAQs for booking flights from Arizona to St. Louis

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