Cheap flights from Mesa, AZ to St. Louis (STL)

PHX — STL
Dec 13 — Dec 201

The best prices from Mesa to Lambert-St Louis are usually found in February or January, booked 21 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 MS9 to STL flight in 2022: compare Mesa to St. Louis flight prices with the expected peak season, weather and rainfall in St. Louis.

MS9 - STL

Price

$166 - $519

STL

Temperature

32 - 80.6 °F

STL

Rainfall

2.2 - 4.7 inches

Popular inJuneHigh demand for flights, 33% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 53% potential price drop
Round-trip from$166From Mesa to Lambert-St Louis
One-way from$120One-way flight from Mesa to Lambert-St Louis

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 21 days in advance, which can save you up to 20% on flights from Mesa to St. Louis compared to booking the week you need them. Waiting 21 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 $309. For sooner than that we have options available in the next 3 days from $388.

What is the cheapest month to fly from Mesa to St. Louis?

February can be a great time to fly to St. Louis from Mesa with a flight ticket averaging about $350. Cheapflights users have found deals in the month of February for as cheap as $65. The most expensive prices can be found in the month of June.

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 December, January 2022

The best prices found for Mesa to STL flights for December, January
Jan 26 - Jan 28
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

13h 51m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

7h 37m
$153

Frontier

Pick Dates

Deal found 12/7

Jan 14 - Jan 15
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

9h 35m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

7h 04m
$160

Frontier

Pick Dates

Deal found 12/6

Jan 12 - Jan 16
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

13h 51m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

25h 02m
$162

Multiple Airlines

Pick Dates

Deal found 12/7

Mesa to St. Louis 2022 flight deals

Cheap flights to St. Louis from Mesa found for this year
Dec 7 - Dec 11
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

22h 20m
$165

Frontier

Pick Dates

Deal found 12/5

Dec 12 - Jan 5
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

10h 17m
$166

Multiple Airlines

Pick Dates

Deal found 12/6

Dec 8 - Dec 10
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 26m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

17h 08m
$168

Frontier

Pick Dates

Deal found 12/6

Cheap Frontier flights from Mesa to St. Louis

Feb 1 - Feb 8
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 19m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

11h 43m
$149

Frontier

Pick Dates

Deal found 12/6

Jan 26 - Jan 28
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

13h 51m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

7h 37m
$153

Frontier

Pick Dates

Deal found 12/7

Jan 14 - Jan 15
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

9h 35m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

7h 04m
$160

Frontier

Pick Dates

Deal found 12/6

Cheap American Airlines flights from Mesa to St. Louis

Feb 3 - Feb 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 51m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 32m
$238

American Airlines

Pick Dates

Deal found 12/7

Jan 31 - Jan 31
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

5h 55m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$241

American Airlines

Pick Dates

Deal found 12/5

Dec 14 - Jan 10
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 56m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$308

American Airlines

Pick Dates

Deal found 12/6

Non-stop flights to St. Louis from Mesa

Save time with Mesa to St. Louis direct flight deals
Feb 3 - Feb 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 51m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 32m
$238

American Airlines

Pick Dates

Deal found 12/7

Jan 23 - Jan 26
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 53m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$258

American Airlines

Pick Dates

Deal found 12/7

Jan 26 - Jan 28
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

Nonstop

2h 58m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

Nonstop

3h 31m
$278

American Airlines

Pick Dates

Deal found 12/7

Last minute flights from Mesa to St. Louis

Late deals on return flights to St. Louis from Mesa, departing today and this week
Dec 15 - Jan 7
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

11h 33m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 45m
$165

Frontier

Pick Dates

Deal found 12/8

Dec 14 - Jan 10
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 45m
$168

Frontier

Pick Dates

Deal found 12/7

Dec 13 - Jan 5
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
STL

Lambert-St Louis

PHX

Phoenix Sky Harbor Intl

1 stop

12h 20m
$171

Frontier

Pick Dates

Deal found 12/7

One-way flights to St. Louis from Mesa

The cheapest one-way flights from Mesa to St. Louis
Dec 19
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 14m
$67

Frontier

Pick Dates

Deal found 12/6

Feb 1
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

12h 19m
$74

Frontier

Pick Dates

Deal found 12/6

Dec 24
PHX

Phoenix Sky Harbor Intl

STL

Lambert-St Louis

1 stop

7h 54m
$81

Frontier

Pick Dates

Deal found 12/6

Related info for your journey

Useful info, stats and facts about Mesa to St. Louis flights.

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 8 inbound flights from Mesa per day. 7 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, Spirit Airlines, and Frontier flying from Mesa to Lambert-St Louis have implemented new flexible cancellation policies.

Can I find flights from Mesa to St. Louis for under $200 on Cheapflights?

Yes, there are multiple flights from Mesa to St. Louis for under $200. The cheapest flight booked recently is on Frontier for just $149, but on average you can expect to pay $182.

Are there nonstop flights from Mesa to St. Louis for under $300 on Cheapflights?

Cheapflights has at least 20 direct flights from Mesa to St. Louis under $300. A good price for a nonstop flight from Mesa to St. Louis is less than $366.

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.

What days are nonstop flights available from Mesa to St. Louis?

You can find nonstop flights on the following days: Tuesday, Saturday.

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.

How many flights depart from Mesa to St. Louis on average per day?

4 flight departures from Mesa to St. Louis per day on average.
Morning (6am - Noon) - 50% of flight departures
Afternoon (Noon - 6pm) - 50% of flight departures

How long is the flight from Mesa to St. Louis?

For as low as $149, Frontier can have you in St. Louis from Mesa in 12h 19m. The distance between Mesa and St. Louis is about 1266 mi.

What are the cheapest airlines to fly from Mesa to St. Louis one-way?

For one-way options, check prices for Frontier. According to our data, you can fly for as low as $67. Users have also found prices from $119 and $120 on American Airlines and Spirit Airlines, respectively.

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

American Airlines, Delta and Frontier 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 Alaska Airlines (81%), American Airlines (79%) or Southwest (73%) 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 $270 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 $160.

Other flights to St. Louis

Alternative routes for Mesa to St. Louis

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

Top 6 airlines flying from Mesa to 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$22FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$61Average$177FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$149Average$208FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
United AirlinesCheapest$212Average$496FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
American AirlinesCheapest$248Average$481FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$261Average$516FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights

Hourly flight availability from Mesa to St. Louis

See what time of day planes typically take off from Mesa to St. Louis
9%of flight departuresEarly morningMidnight to 6 am
43%of flight departuresMorning6 am to noon
48%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
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
Sunday2daily flights
Monday10daily flights
Tuesday10daily flights
Wednesday10daily flights
Thursday10daily flights
Friday10daily flights
Saturday4daily flights