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.

$74 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

Sat, Oct 10 - Sat, Oct 17

2:07 pm - 11:59 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

7h 52m1 stop Seattle/Tacoma Intl

4:42 pm - 10:59 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

8h 17m1 stop Seattle/Tacoma Intl

$161Alaska Airlines

Fri, Sep 25 - Mon, Sep 28

7:02 am - 5:10 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

8h 08m1 stop Portland

3:19 pm - 9:41 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

8h 22m1 stop Seattle/Tacoma Intl

$177Alaska Airlines

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

$200Frontier

Thu, Oct 29 - Mon, Nov 2

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

3h 18mnonstop

7:59 pm - 11:18 amSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

41h 19m2 stops Denver Intl Los Angeles

$208Frontier

Wed, Oct 7 - Sat, Oct 10

3:43 pm - 8:43 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

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

3h 34mnonstop

$277American Airlines

Tue, Oct 6 - Tue, Oct 20

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

2h 50mnonstop

6:20 am - 7:40 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$277Southwest

Tue, Sep 22 - Tue, Sep 29

1:20 pm - 6:20 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

$277Southwest

Thu, Oct 29 - Tue, Nov 3

3:43 pm - 8:43 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

Wed, Sep 9 - Thu, Sep 10

1:29 pm - 11:40 pmTUS Tucson-STL Lambert-St Louis

8h 11m1 stop Denver Intl

6:00 am - 11:13 amSTL Lambert-St Louis-TUS Tucson

7h 13m1 stop Chicago O'Hare Intl

$350United Airlines

Sun, Sep 6 - Sat, Sep 12

6:30 am - 2:15 pmTUS Tucson-STL Lambert-St Louis

5h 45m1 stop Houston George Bush Intcntl

4:45 pm - 8:30 pmSTL Lambert-St Louis-TUS Tucson

5h 45m1 stop Denver Intl

$355United Airlines

Recent last minute flight deals from Arizona to St. Louis

Tue, Sep 1 - Thu, Sep 3

2:04 pm - 5:50 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

25h 46m1 stop Las Vegas Harry Reid Intl

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

7h 33m1 stop Dallas/Fort Worth

$359Frontier

Mon, Aug 31 - Tue, Sep 1

12:25 pm - 5:50 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 25mnonstop

6:45 pm - 8:20 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$361Frontier

Mon, Aug 31 - Wed, Sep 2

8:00 am - 1:31 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

27h 31m2 stops Nashville Intl Jonesboro

6:45 pm - 8:20 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

3h 35mnonstop

$473Multiple Airlines

Tue, Sep 1 - Thu, Sep 10

1:58 pm - 11:26 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

7h 28m1 stop Minneapolis St Paul

5:00 pm - 10:13 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

7h 13m1 stop Salt Lake City

$503Delta

Tue, Sep 1 - Sun, Sep 6

1:58 pm - 11:26 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

7h 28m1 stop Minneapolis St Paul

8:00 am - 12:06 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

6h 06m1 stop Salt Lake City

$503Delta

Sun, Aug 30 - Sun, Sep 6

6:05 pm - 11:00 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 55mnonstop

7:45 pm - 8:55 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 10mnonstop

$529Southwest

Mon, Aug 31 - Wed, Sep 2

6:40 am - 5:22 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

8h 42m1 stop Atlanta Hartsfield-Jackson

2:10 pm - 4:40 pmSTL Lambert-St Louis-LAS Las Vegas Harry Reid Intl

28h 30m2 stops Jonesboro Nashville Intl

$536Multiple Airlines

Sun, Aug 30 - Sun, Sep 6

10:40 am - 6:10 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

5h 30m1 stop Kansas City

4:35 pm - 5:45 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 10mnonstop

$539Southwest

Sat, Aug 29 - Mon, Aug 31

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

$627American Airlines

Sat, Aug 29 - Mon, Aug 31

10:32 am - 8:26 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

7h 54m1 stop Dallas/Fort Worth

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

3h 18mnonstop

$637American Airlines

Recent direct flight deals from Arizona to St. Louis

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

$200Frontier

Thu, Oct 29 - Mon, Nov 2

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

$211Frontier

Thu, Oct 29 - Mon, Nov 2

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

$211Frontier

Mon, Oct 12 - Mon, Nov 2

7:15 am - 12:35 pmLAS Las Vegas Harry Reid Intl-STL Lambert-St Louis

3h 20mnonstop

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

3h 44mnonstop

$215Frontier

Wed, Oct 7 - Sat, Oct 10

3:43 pm - 8:43 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 00mnonstop

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

3h 34mnonstop

$277American Airlines

Tue, Sep 22 - Tue, Sep 29

1:20 pm - 6:20 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

$277Southwest

Tue, Oct 6 - Tue, Oct 20

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

2h 50mnonstop

6:20 am - 7:40 amSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 20mnonstop

$277Southwest

Thu, Oct 29 - Tue, Nov 3

3:43 pm - 8:43 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

Thu, Nov 5 - Tue, Nov 10

9:30 am - 1:38 pmPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

3h 08mnonstop

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

3h 27mnonstop

$287American Airlines

Thu, Oct 8 - Tue, Oct 13

8:25 pm - 1:15 amPHX Phoenix Sky Harbor Intl-STL Lambert-St Louis

2h 50mnonstop

8:50 pm - 10:05 pmSTL Lambert-St Louis-PHX Phoenix Sky Harbor Intl

3h 15mnonstop

$287Southwest

Useful Info

Low season	January
High season	July
Cheapest flight	$74

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly with an average 9% 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.

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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Complete your trip

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Return flight deals

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

St. Louis (STL)

STL

$74 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