Cheap flights from Mesa to St. Louis (STL)

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The best prices from Mesa to Lambert-St Louis are usually found in August or July, booked 53 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Mesa to St. Louis (STL)

All the information you need to plan the best null to STL flight in 2021: compare Mesa to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.
MS9 - STL
Price
$214 - $352
STL
Temperature
32 - 80.6 °F
STL
Precipitation
2.2 - 4.7 inches

Popular in

December

High demand for flights, 13% potential price rise

Cheapest in

August

Best time to find cheap flights, 30% potential price drop

Round-trip from

$214

From Mesa to Lambert-St Louis

One-way from

$92

One-way flight from Mesa to Lambert-St Louis

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest month to fly from Mesa to St. Louis?

August can be a great time to fly to St. Louis from Mesa with a flight ticket averaging about $307. Cheapflights users have found deals in the month of August for as cheap as $119. The most expensive prices can be found in the month of December.

How far in advance should I book a flight from Mesa to St. Louis?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 17% on flights from Mesa to St. Louis compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $300. For sooner than that we have options available in the next 3 days from $349.

When is the cheapest time to fly from Mesa to St. Louis (MS9 - STL)?

When flying from Mesa to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap flights from Mesa to St. Louis in October, November 2021

The best prices found for Mesa to STL flights for October, November
25 Nov - 26 Nov
$83pp
PHX
Phoenix Sky Harbor Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
10 Nov - 13 Nov
$84pp
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
2 Nov - 9 Nov
$88pp
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl

Mesa to St. Louis 2021 flight deals

Cheap flights to St. Louis from Mesa found for this year
11 Dec - 14 Dec
$75pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl
25 Nov - 26 Nov
$83pp
PHX
Phoenix Sky Harbor Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
10 Nov - 13 Nov
$84pp
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl

Non-stop flights to St. Louis from Mesa

Save time with Mesa to St. Louis direct flight deals
25 Nov - 26 Nov
$83pp
PHX
Phoenix Sky Harbor Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
9 Dec - 12 Dec
$99pp
PHX
Phoenix Sky Harbor Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl
18 Nov - 22 Nov
$100pp
PHX
Phoenix Sky Harbor Intl
Spirit Airlines
Non-Stop
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
Non-Stop
PHX
Phoenix Sky Harbor Intl

Last minute flights from Mesa to St. Louis

Late deals on round-trip flights to St. Louis from Mesa, departing today and this week
28 Oct - 4 Nov
$151pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Spirit Airlines
   
2 STOPS
PHX
Phoenix Sky Harbor Intl
27 Oct - 29 Oct
$161pp
PHX
Phoenix Sky Harbor Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
PHX
Phoenix Sky Harbor Intl
28 Oct - 31 Oct
$164pp
PHX
Phoenix Sky Harbor Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
PHX
Phoenix Sky Harbor Intl

One-way flights to Lambert-St Louis from Mesa

The cheapest one-way flights from Mesa to St. Louis
4:02 pm - 4:09 am
Frontier
1 Stop
11h 07m
PHX - STL
Frontier
$92
Kiwi.com
1:22 pm - 1:43 pm
Multiple Airlines
1 Stop
23h 21m
PHX - STL
Multiple Airlines
$101
Kiwi.com
8:59 pm - 7:32 am
Spirit Airlines
3 Stops
33h 33m
PHX - STL
Spirit Airlines
$116
FlightNetwork

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Mesa</span> to <span class="emphasized">St. Louis</span> flights.

Flight FAQs

From Mesa to St. Louis

What airport do you fly into for flights to St. Louis from Mesa?

For a flight from Mesa to St. Louis, you will be flying into Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city. Lambert-St Louis is the only St. Louis airport and it handles 9 inbound flights from Mesa per day. 8 airlines have flights to Lambert-St Louis from Mesa on a regular basis.

Which airlines flying from Mesa to Lambert-St Louis have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Frontier, and Sun Country Air flying from Mesa to Lambert-St Louis have implemented new flexible cancellation policies.

Can I find flights from Mesa to St. Louis for under $100 on Cheapflights?

Yes, there are multiple flights from Mesa to St. Louis for under $100. The cheapest flight booked recently is on Multiple Airlines for just $75, but on average you can expect to pay $111.

Are there nonstop flights from Mesa to St. Louis for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Mesa to St. Louis under $100. A good price for a nonstop flight from Mesa to St. Louis is less than $163.

Are there last-minute flights available from Mesa to St. Louis for under $200?

There are currently 20+ open flights from Mesa to St. Louis within the next 7 days for less than $200.

How popular is this Mesa to St. Louis flight route?

Within the past month, 129 users have taken a look at flights from Mesa to Lambert-St Louis.

What are the most popular airlines that fly from Mesa to St. Louis?

Major Airline, American Airlines and Delta are the most popular airlines when flying from Mesa to St. Louis.

What are the most reliable airlines from Mesa to St. Louis?

No one likes to see their flight delayed. When booking a flight from Mesa to St. Louis consider choosing American Airlines (77%), Alaska Airlines (77%) or Southwest (64%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Mesa to St. Louis?

On average you can expect to pay $535 for a flight from Mesa to St. Louis. The cheapest flight overall is $81 while the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis) is currently priced at $109.

COVID Restrictions

View COVID Travel Restrictions for St. Louis, MO

Do I need a COVID test to fly to St. Louis from Mesa?

Information is based on travel restrictions for travel to Lambert-St Louis within the United States

Most visitors from Mesa need to provide a negative COVID-19 test result and/or quarantine to enter Lambert-St Louis.

COVID-19 testing requirements
Visitors from Mesa must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Lambert-St Louis.

Quarantine requirements
Visitors from Mesa are not required to quarantine after entering Lambert-St Louis.

Do I need a test to fly back to Mesa from St. Louis?

Returning to Mesa from Lambert-St Louis

COVID-19 testing requirements
Visitors from Lambert-St Louis must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Mesa.

Quarantine requirements
Visitors from Lambert-St Louis are not required to quarantine after entering Mesa.

Hide COVID Travel Restrictions for St. Louis, MO

Alternative routes for Mesa to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for St. Louis

Things to know before you go - useful duration and weather info for your trip from Mesa to St. Louis.
Flight duration from Mesa to STL
3h 11m
Average temperature for October in St. Louis
71.6 °F
Avg rainfall for October in St. Louis
2.8 ″

Airports servicing Mesa

Airports servicing St. Louis

Top 7 airlines flying from Mesa to Lambert-St Louis

The chart below displays the airlines Cheapflights users traveling from Mesa to St. Louis choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
United Airlines
$61 $276 No cancel fee 69%
Sun Country Air
$71 $160 No cancel fee 83%
Frontier
$106 $251 No cancel fee 62%
Allegiant Air
$145 $277 No cancel fee 88%
Delta
$150 $384 No cancel fee N/A
American Airlines
$173 $380 No cancel fee 71%
Southwest
$290 $520 No cancel fee 63%

Hourly flight availability from Mesa to St. Louis

See what time of day planes typically take off from Mesa towards St. Louis.
Morning 6 AM to noon 50% of Mesa to STL departures
Afternoon Noon to 6 PM 33% of Mesa to STL departures
Early morning Midnight to 6 AM 9% of Mesa to STL departures
Evening 6 PM to midnight 8% of Mesa to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Mesa to St. Louis
See how many times per day planes take to the skies headed from Mesa to St. Louis.
Sunday
10 daily flights
Monday
10 daily flights
Tuesday
10 daily flights
Wednesday
10 daily flights
Thursday
10 daily flights
Friday
10 daily flights
Saturday
8 daily flights
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