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.

$72 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

Wed, Oct 21 - Mon, Oct 26

6:45 am - 3:24 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

6h 39m1 stop Denver Intl

5:53 pm - 11:29 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

7h 36m1 stop Dallas/Fort Worth

$102Frontier

Fri, Nov 6 - Sun, Nov 8

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

1:28 pm - 3:12 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 44mnonstop

$106Frontier

Wed, Oct 28 - Sat, Nov 7

11:53 am - 8:43 pmTUS Tucson-STL Lambert-St Louis

6h 50m1 stop Phoenix Sky Harbor Intl

5:00 am - 9:56 amSTL Lambert-St Louis-TUS Tucson

5h 56m1 stop Dallas/Fort Worth

$257American Airlines

Wed, Oct 28 - Tue, Nov 3

2:31 pm - 12:19 amTUS Tucson-STL Lambert-St Louis

7h 48m1 stop Chicago O'Hare Intl

8:29 am - 1:31 pmSTL Lambert-St Louis-TUS Tucson

6h 02m1 stop Dallas/Fort Worth

$257American Airlines

Wed, Nov 4 - Sat, Nov 7

8:10 am - 5:10 pmTUS Tucson-STL Lambert-St Louis

8h 00m1 stop Chicago Midway

2:55 pm - 9:45 pmSTL Lambert-St Louis-TUS Tucson

7h 50m1 stop Denver Intl

$257Southwest

Sat, Oct 24 - Wed, Oct 28

1:40 pm - 8:36 pmTUS Tucson-STL Lambert-St Louis

4h 56m1 stop Denver Intl

5:00 am - 11:21 amSTL Lambert-St Louis-TUS Tucson

8h 21m1 stop Chicago O'Hare Intl

$257United Airlines

Sat, Oct 17 - Sat, Oct 24

6:06 am - 2:10 pmTUS Tucson-STL Lambert-St Louis

6h 04m1 stop Houston George Bush Intcntl

1:36 pm - 4:46 pmSTL Lambert-St Louis-TUS Tucson

5h 10m1 stop Denver Intl

$257United Airlines

Sat, Oct 31 - Tue, Nov 10

1:27 pm - 9:59 pmTUS Tucson-STL Lambert-St Louis

6h 32m1 stop Atlanta Hartsfield-Jackson

2:31 pm - 11:06 pmSTL Lambert-St Louis-TUS Tucson

9h 35m1 stop Atlanta Hartsfield-Jackson

$257Delta

Wed, Oct 28 - Tue, Nov 10

7:08 am - 5:44 pmTUS Tucson-STL Lambert-St Louis

8h 36m1 stop Salt Lake City

2:31 pm - 11:06 pmSTL Lambert-St Louis-TUS Tucson

9h 35m1 stop Atlanta Hartsfield-Jackson

$257Delta

Wed, Oct 28 - Tue, Nov 3

2:05 pm - 11:35 pmTUS Tucson-STL Lambert-St Louis

7h 30m2 stops Las Vegas Harry Reid Intl Dallas Love Field

2:05 pm - 8:20 pmSTL Lambert-St Louis-TUS Tucson

7h 15m1 stop Phoenix Sky Harbor Intl

$262Southwest

Recent last minute flight deals from Arizona to St. Louis

Wed, Sep 23 - Tue, Sep 29

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

$172Frontier

Tue, Sep 22 - Wed, Sep 23

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

$192Frontier

Tue, Sep 22 - Tue, Sep 29

9:00 am - 4:40 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

5h 40m1 stop Dallas/Fort Worth

5:43 am - 9:43 amSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

6h 00m1 stop Dallas/Fort Worth

$415American Airlines

Wed, Sep 23 - Tue, Sep 29

9:00 am - 4:40 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

5h 40m1 stop Dallas/Fort Worth

12:46 pm - 5:21 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

6h 35m1 stop Dallas/Fort Worth

$415American Airlines

Mon, Sep 21 - Thu, Oct 29

5:23 pm - 11:32 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

16h 09m1 stop Las Vegas Harry Reid Intl

2:00 pm - 12:30 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

24h 30m3 stops Jonesboro Nashville Intl Las Vegas Harry Reid Intl

$474Multiple Airlines

Mon, Sep 21 - Fri, Oct 2

3:02 pm - 1:31 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

20h 29m2 stops Nashville Intl Jonesboro

8:10 pm - 11:43 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

5h 33m1 stop Denver Intl

$507Multiple Airlines

Mon, Sep 21 - Thu, Oct 29

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

2h 50mnonstop

5:05 am - 6:30 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$512Southwest

Mon, Sep 21 - Thu, Oct 29

7:15 am - 2:05 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

4h 50m1 stop Denver Intl

5:05 am - 6:30 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$522Southwest

Thu, Sep 24 - Mon, Sep 28

11:24 am - 9:21 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

7h 57m1 stop Chicago O'Hare Intl

11:35 am - 8:49 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

11h 14m2 stops Chicago O'Hare Intl Los Angeles Los Angeles

$706United Airlines

Sat, Sep 19 - Wed, Oct 28

5:30 am - 5:06 pmTUS Tucson-STL Lambert-St Louis

9h 36m2 stops Denver Intl Chicago O'Hare Intl

7:30 am - 5:19 pmSTL Lambert-St Louis-TUS Tucson

11h 49m2 stops Chicago O'Hare Intl Denver Intl

$722United Airlines

Recent direct flight deals from Arizona to St. Louis

Fri, Nov 6 - Sun, Nov 8

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

1:28 pm - 3:12 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 44mnonstop

$106Frontier

Thu, Nov 5 - Mon, Nov 9

7:15 am - 12:33 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 18mnonstop

1:28 pm - 3:12 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 44mnonstop

$177Frontier

Thu, Oct 22 - Mon, Oct 26

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

1:30 pm - 3:15 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 45mnonstop

$198Frontier

Thu, Oct 15 - Mon, Oct 19

6:15 am - 11:31 amLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 16mnonstop

1:30 pm - 3:15 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 45mnonstop

$200Frontier

Tue, Oct 13 - Tue, Oct 27

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

3h 02mnonstop

8:03 am - 9:38 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 35mnonstop

$279American Airlines

Sat, Dec 5 - Sat, Dec 12

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

3h 00mnonstop

2:28 pm - 4:55 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 27mnonstop

$279American Airlines

Wed, Nov 18 - Wed, Dec 2

6:15 pm - 10:10 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

8:20 pm - 10:45 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 25mnonstop

$279Southwest

Sat, Oct 17 - Sat, Oct 24

6:00 am - 10:50 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 50mnonstop

3:50 pm - 5:10 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$279Southwest

Wed, Nov 4 - Sat, Nov 7

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

3h 00mnonstop

2:28 pm - 4:55 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 27mnonstop

$279American Airlines

Wed, Jan 20 - Wed, Feb 3

5:50 am - 9:35 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 45mnonstop

5:45 am - 8:15 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 30mnonstop

$279Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$72

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.