$34 Cheap flights from Sky Harbor Intl. to Lambert-St. Louis Intl. (PHX to STL)

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Find The Best Dates To Fly from Sky Harbor Intl. to Lambert-St. Louis Intl.

Amazing PHX to STL Flight Deals

The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $63 round trip and $34 one way. Prices and availability subject to change. Additional terms may apply.

Wed, May 15 - Wed, May 15
PHX
Phoenix
STL
St. Louis
$63 Roundtrip, found 2 days ago
$63
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 15 from Phoenix to St. Louis, returning Wed, May 15, priced at $63 found 2 days ago
Sat, May 18 - Wed, May 22
PHX
Phoenix
STL
St. Louis
$68 Roundtrip, just found
$68
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, May 18 from Phoenix to St. Louis, returning Wed, May 22, priced at $68 just found
Sat, May 18 - Sat, May 25
PHX
Phoenix
STL
St. Louis
$78 Roundtrip, found 1 hour ago
$78
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Sat, May 18 from Phoenix to St. Louis, returning Sat, May 25, priced at $78 found 1 hour ago
Sat, Jun 22 - Sat, Jun 22
PHX
Phoenix
STL
St. Louis
$83 Roundtrip, found 1 day ago
$83
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Sat, Jun 22 from Phoenix to St. Louis, returning Sat, Jun 22, priced at $83 found 1 day ago
Wed, May 22 - Sat, May 25
PHX
Phoenix
STL
St. Louis
$86 Roundtrip, found 9 hours ago
$86
Roundtrip
found 9 hours ago
Select Frontier Airlines flight, departing Wed, May 22 from Phoenix to St. Louis, returning Sat, May 25, priced at $86 found 9 hours ago
Wed, May 22 - Mon, May 27
PHX
Phoenix
STL
St. Louis
$88 Roundtrip, found 1 day ago
$88
Roundtrip
found 1 day ago
Select Frontier Airlines flight, departing Wed, May 22 from Phoenix to St. Louis, returning Mon, May 27, priced at $88 found 1 day ago
Fri, May 17 - Mon, May 20
PHX
Phoenix
STL
St. Louis
$94 Roundtrip, found 6 hours ago
$94
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Fri, May 17 from Phoenix to St. Louis, returning Mon, May 20, priced at $94 found 6 hours ago
Wed, May 22 - Fri, May 31
PHX
Phoenix
STL
St. Louis
$96 Roundtrip, found 15 hours ago
$96
Roundtrip
found 15 hours ago
Select Frontier Airlines flight, departing Wed, May 22 from Phoenix to St. Louis, returning Fri, May 31, priced at $96 found 15 hours ago
Mon, May 20 - Fri, May 24
PHX
Phoenix
STL
St. Louis
$98 Roundtrip, found 1 hour ago
$98
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, May 20 from Phoenix to St. Louis, returning Fri, May 24, priced at $98 found 1 hour ago
Wed, May 15 - Fri, May 24
PHX
Phoenix
STL
St. Louis
$99 Roundtrip, found 5 days ago
$99
Roundtrip
found 5 days ago
Select Frontier Airlines flight, departing Wed, May 15 from Phoenix to St. Louis, returning Fri, May 24, priced at $99 found 5 days ago

Flight Schedule for PHX to STL

CarrierFlightDepart PHXArrive STLSat
5/11		Sun
5/12		Mon
5/13		Tue
5/14		Wed
5/15		Thu
5/16		Fri
5/17		Stops
F9390406:45 am11:39 amCheck Fare
-
-
-
-
-
-
0 Stops
AA230308:45 am01:48 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AA392900:25 pm05:24 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
AA89006:56 pm11:56 pmCheck FareCheck FareCheck FareCheck FareCheck FareCheck FareCheck Fare
0 Stops
F9207604:09 pm09:03 pm
-
-
Check Fare
-
Check Fare
-
-
0 Stops
F9336804:32 pm09:31 pm
-
-
-
-
-
-
Check Fare
0 Stops

Best Lambert-St. Louis Intl. Flight and Hotel Packages

Lambert-St. Louis Intl. flight + hotel packages - economy flights

Price found within the past 48 hours. Click for updated prices.
HoteLumiere at the Arch

HoteLumiere at the Arch

4 out of 5
Save 100% on your flight
per person
Jun 12 - Jun 16
Roundtrip flight included
Phoenix (PHX) to St. Louis (STL)
River City Casino & Hotel

River City Casino & Hotel

4 out of 5
per person
Jun 12 - Jun 16
Roundtrip flight included
Phoenix (PHX) to St. Louis (STL)
The Cheshire

The Cheshire

4 out of 5
per person
Jun 12 - Jun 16
Roundtrip flight included
Phoenix (PHX) to St. Louis (STL)
Moonrise Hotel

Moonrise Hotel

4 out of 5
per person
Jun 12 - Jun 16
Roundtrip flight included
Phoenix (PHX) to St. Louis (STL)
Crowne Plaza St. Louis Airport, an IHG Hotel

Crowne Plaza St. Louis Airport, an IHG Hotel

3.5 out of 5
per person
Jun 12 - Jun 16
Roundtrip flight included
Phoenix (PHX) to St. Louis (STL)
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Frequently asked questions

Are there direct flights from Phoenix Sky Harbor Intl. Airport to STL?
If you’d like to travel from Phoenix Sky Harbor Intl. Airport to Lambert-St. Louis Intl. Airport (STL) as fast as you can, you’ll be pleased to know multiple airlines offer direct flights. Choose your favorite seat with Southwest Airlines or American Airlines.
How long is the flight from PHX to Lambert-St. Louis Intl. Airport (STL)?
If you were planning to get some decent shut-eye during your Phoenix to St. Louis flight, you may have to make other plans. The normal flight time between Phoenix Sky Harbor Intl. Airport and Lambert-St. Louis Intl. Airport (STL) is a mere 2 hours and 54 minutes — just enough to relax your body and rest your eyes for a little while.
What is the flight distance from PHX to Lambert Field?
With a flight distance of 1,250 mi between Phoenix Sky Harbor Intl. Airport and St. Louis Lambert International Airport, you’re going to be in the air for a while. It’s the perfect opportunity to watch a movie, clear some emails or just relax with a good book.
What airlines fly from Phoenix Sky Harbor Intl. Airport to STL?
There are several airlines that advertise direct flights between Phoenix and St. Louis. Southwest Airlines (WN) is one of the most popular. This carrier offers around 95 flights every month. Don’t forget to also look into the deals on offer from American Airlines (AA). This carrier operates 56 flights every month on the Phoenix to St. Louis route. Be sure to compare the two airlines to walk away with the best fare.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

 

Traveling From
Sky Harbor Intl.
Traveling To
Lambert-St. Louis Intl.
Shortest Flight Time
2 hours 50 mins
Earliest Departure Time
5:05AM MST
Latest Departure Time
8:55PM MST
Lowest Flight Price
$63

Route Info

Flight path for flights from Phoenix Sky Harbor International Airport to Lambert-St. Louis International Airport


Origin:
PHX - Phoenix Sky Harbor International Airport
Destination:
STL - Lambert-St. Louis International Airport
Distance:
1,266.00 miles


Airlines & Aircraft Used on PHX to STL Flight Routes


Airline Carrier
Aircraft
American Airlines
Embraer EMB.110 Bandeirnate
United Airlines
Embraer EMB.110 Bandeirnate

Discover our best flights from Phoenix PHX to St. Louis STL. 

With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times. 

 

Find our best return flights from Phoenix PHX to St. Louis STL at the right price  

Airfares to St. Louis STL from Phoenix PHX currently cost between $63 and $99. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way flights from Phoenix PHX to St. Louis STL 

If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Phoenix PHX to St. Louis STL on Travelocity starting at $34. Prices and availability subject to change. Additional terms may apply. 

 

Get to St. Louis STL from Phoenix PHX quicker with direct flights. 

Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from PHX to take around 2 hour(s) 50 min(s).  

 

Find our cheapest airfares for flights from Phoenix PHX to St. Louis STL

Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from PHX. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.  

 

Get our best airfare deals for your flight from Phoenix PHX to St. Louis STL today 

If you’re flexible about when you travel, May is usually the cheapest month to fly from Phoenix PHX to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first. 

 

Book flexible airline tickets for flights to St. Louis STL from Phoenix PHX 

Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from PHX have this option.  

 

Travel with confidence when you book flights to St. Louis STL from Phoenix PHX with Travelocity 

We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving. 

*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.