Cheap flights from Mesa, AZ to St. Louis (STL) from $39

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PHX — STL
Apr 30 — May 71

The best prices from Mesa to Lambert-St Louis are usually found in February or January, booked 70 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from Mesa to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Mesa (MS9) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 25, 2024.

Popular in

March

Cheapest in

February

Round-trip from

$323

One-way from

$109
High demand for flights, 11% potential price rise
Best time to find cheap flights, 14% potential price drop
From Mesa to Lambert-St Louis
One-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 11 days in advance, which can save you up to 10% on flights from Mesa to St. Louis compared to booking the week you need them. Waiting 11 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 $261. For sooner than that we have options available in the next 3 days from $633.

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 $391. Cheapflights users have found deals in the month of February for as cheap as $159. The most expensive prices can be found in the month of March.

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 American Airlines flights from Mesa to St. Louis

Explore cheap flight options specifically provided by American Airlines for the route between Mesa and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Consider these cheap American Airlines flights we've found departing from Mesa to St. Louis. It's recommended that users confirm their flight details before booking.
Sat 6/86:56 pmPHX - STL
Nonstop2h 54mAmerican Airlines
Tue 6/117:35 amSTL - PHX
Nonstop3h 20mAmerican Airlines
Deal found 4/22$131
Sat 5/116:56 pmPHX - STL
Nonstop3h 00mAmerican Airlines
Tue 5/148:00 amSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/23$141
Tue 10/17:30 amPHX - STL
1 stop6h 10mAmerican Airlines
Fri 10/412:10 pmSTL - PHX
1 stop7h 53mAmerican Airlines
Deal found 4/24$200
Tue 4/308:40 amPHX - STL
Nonstop3h 09mAmerican Airlines
Wed 5/158:00 amSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/24$201
Thu 6/276:56 pmPHX - STL
Nonstop2h 54mAmerican Airlines
Tue 7/27:35 amSTL - PHX
Nonstop3h 20mAmerican Airlines
Deal found 4/24$221
Mon 5/2012:59 amPHX - STL
1 stop6h 54mAmerican Airlines
Wed 5/228:00 amSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/24$229
Thu 7/46:56 pmPHX - STL
Nonstop2h 54mAmerican Airlines
Thu 7/115:30 pmSTL - PHX
1 stop5h 03mAmerican Airlines
Deal found 4/24$230
Mon 5/136:56 pmPHX - STL
Nonstop3h 00mAmerican Airlines
Thu 5/168:00 amSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/23$231
Mon 5/2012:59 amPHX - STL
1 stop6h 54mAmerican Airlines
Wed 5/297:20 pmSTL - PHX
1 stop5h 39mAmerican Airlines
Deal found 4/23$238

Cheap Frontier flights from Mesa to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between Mesa and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Browse through some of the cheapest Frontier flights traveling from Mesa to St. Louis. Deals frequently update to provide users with more options.
Sat 5/116:45 amPHX - STL
Nonstop2h 54mFrontier
Wed 5/154:39 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/23$78
Sat 5/116:45 amPHX - STL
Nonstop2h 54mFrontier
Sat 5/188:04 pmSTL - PHX
1 stop6h 21mFrontier
Deal found 4/23$84
Mon 5/132:11 pmPHX - STL
1 stop17h 58mFrontier
Wed 5/154:39 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/23$87
Mon 5/134:09 pmPHX - STL
Nonstop2h 54mFrontier
Sat 5/1811:41 pmSTL - PHX
Nonstop3h 17mFrontier
Deal found 4/23$88
Sat 5/116:45 amPHX - STL
Nonstop2h 54mFrontier
Sat 5/188:04 pmSTL - PHX
2 stops14h 23mFrontier
Deal found 4/23$89
Tue 5/145:50 amPHX - STL
1 stop8h 00mFrontier
Tue 5/1410:59 pmSTL - PHX
1 stop10h 59mFrontier
Deal found 4/23$90
Tue 5/212:50 pmPHX - STL
1 stop17h 23mFrontier
Wed 5/227:23 pmSTL - PHX
1 stop18h 25mFrontier
Deal found 4/24$91
Mon 5/1311:38 amPHX - STL
1 stop20h 31mFrontier
Wed 5/158:04 pmSTL - PHX
1 stop6h 01mFrontier
Deal found 4/23$92
Sat 5/46:45 amPHX - STL
Nonstop2h 54mFrontier
Mon 5/207:23 pmSTL - PHX
1 stop15h 01mFrontier
Deal found 4/23$93

Cheap Mesa to St. Louis flights in April & May 2024

Find cheap flight options from Mesa to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Prices were last updated on April 25, 2024.
Listed are some of the best fares we've found on flights departing from Mesa to St. Louis in 2024. Check back in a little while for more flight options.
Fri 5/34:33 pmPHX - STL
Nonstop2h 54mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$98
Mon 5/132:11 pmPHX - STL
1 stop17h 58mFrontier
Sat 5/188:04 pmSTL - PHX
1 stop6h 21mFrontier
Deal found 4/24$103
Fri 5/314:32 pmPHX - STL
Nonstop2h 59mFrontier
Wed 6/510:57 pmSTL - PHX
Nonstop3h 18mFrontier
Deal found 4/24$108
Fri 5/104:33 pmPHX - STL
Nonstop2h 54mFrontier
Sun 5/1210:59 pmSTL - PHX
1 stop10h 59mFrontier
Deal found 4/24$111
Fri 5/174:32 pmPHX - STL
Nonstop2h 59mFrontier
Sun 5/197:23 pmSTL - PHX
1 stop15h 01mFrontier
Deal found 4/24$113
Fri 5/311:32 pmPHX - STL
1 stop13h 06mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$118
Tue 5/218:07 pmPHX - STL
1 stop12h 06mFrontier
Wed 5/299:10 pmSTL - PHX
1 stop14h 32mFrontier
Deal found 4/24$125
Fri 5/1710:17 pmPHX - STL
1 stop9h 56mFrontier
Sun 5/197:23 pmSTL - PHX
1 stop15h 01mFrontier
Deal found 4/24$126
Tue 5/216:56 pmPHX - STL
Nonstop3h 00mAmerican Airlines
Wed 5/296:18 pmSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/24$131

Mesa to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Mesa and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Listed are some of the best fares we've found on flights departing from Mesa to St. Louis in 2024. Check back in a little while for more flight options.
Fri 5/34:33 pmPHX - STL
Nonstop2h 54mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$98
Mon 5/132:11 pmPHX - STL
1 stop17h 58mFrontier
Sat 5/188:04 pmSTL - PHX
1 stop6h 21mFrontier
Deal found 4/24$103
Fri 5/314:32 pmPHX - STL
Nonstop2h 59mFrontier
Wed 6/510:57 pmSTL - PHX
Nonstop3h 18mFrontier
Deal found 4/24$108
Fri 5/104:33 pmPHX - STL
Nonstop2h 54mFrontier
Sun 5/1210:59 pmSTL - PHX
1 stop10h 59mFrontier
Deal found 4/24$111
Fri 5/174:32 pmPHX - STL
Nonstop2h 59mFrontier
Sun 5/197:23 pmSTL - PHX
1 stop15h 01mFrontier
Deal found 4/24$113
Fri 5/311:32 pmPHX - STL
1 stop13h 06mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$118
Tue 5/218:07 pmPHX - STL
1 stop12h 06mFrontier
Wed 5/299:10 pmSTL - PHX
1 stop14h 32mFrontier
Deal found 4/24$125
Fri 5/1710:17 pmPHX - STL
1 stop9h 56mFrontier
Sun 5/197:23 pmSTL - PHX
1 stop15h 01mFrontier
Deal found 4/24$126
Sat 6/18:12 pmPHX - STL
1 stop12h 01mFrontier
Wed 6/510:57 pmSTL - PHX
Nonstop3h 18mFrontier
Deal found 4/24$129

Non-stop flights to St. Louis from Mesa

Discover non-stop flight options from Mesa to St. Louis. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Mesa to St. Louis. Those looking to potentially save on 1 or 2-stop flights from Mesa to St. Louis should utilize the search form at the the top of the page.
Fri 5/34:33 pmPHX - STL
Nonstop2h 54mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$98
Fri 5/314:32 pmPHX - STL
Nonstop2h 59mFrontier
Wed 6/510:57 pmSTL - PHX
Nonstop3h 18mFrontier
Deal found 4/24$108
Fri 5/314:32 pmPHX - STL
Nonstop2h 59mFrontier
Mon 6/310:21 pmSTL - PHX
Nonstop3h 17mFrontier
Deal found 4/24$118
Tue 5/216:56 pmPHX - STL
Nonstop3h 00mAmerican Airlines
Wed 5/296:18 pmSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/24$131
Sat 6/154:06 pmPHX - STL
Nonstop2h 54mFrontier
Mon 6/2412:38 pmSTL - PHX
Nonstop3h 17mFrontier
Deal found 4/24$134
Mon 4/294:09 pmPHX - STL
Nonstop2h 54mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$158
Fri 5/244:32 pmPHX - STL
Nonstop2h 59mFrontier
Fri 5/3110:21 pmSTL - PHX
Nonstop3h 17mFrontier
Deal found 4/24$174
Tue 4/308:40 amPHX - STL
Nonstop3h 09mAmerican Airlines
Wed 5/158:00 amSTL - PHX
Nonstop3h 24mAmerican Airlines
Deal found 4/24$201
Thu 6/276:56 pmPHX - STL
Nonstop2h 54mAmerican Airlines
Tue 7/27:35 amSTL - PHX
Nonstop3h 20mAmerican Airlines
Deal found 4/24$221

Mesa to St. Louis flights leaving soon

Find last-minute flight options from Mesa to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Have a look at some of the last-minute flights available departing from Mesa to St. Louis. Users should examine the flight details to ensure there are no surprises.
Fri 5/34:33 pmPHX - STL
Nonstop2h 54mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$98
Fri 5/311:32 pmPHX - STL
1 stop13h 06mFrontier
Mon 5/69:53 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$118
Tue 4/309:30 pmPHX - STL
1 stop10h 17mFrontier
Wed 5/154:39 pmSTL - PHX
Nonstop3h 28mFrontier
Deal found 4/24$148
Tue 4/309:30 pmPHX - STL
1 stop10h 17mFrontier
Wed 5/158:04 pmSTL - PHX
1 stop6h 01mFrontier
Deal found 4/24$154
Fri 5/34:33 pmPHX - STL
Nonstop2h 54mFrontier
Sun 5/53:29 pmSTL - PHX
1 stop10h 36mFrontier
Deal found 4/24$158
Fri 5/311:32 pmPHX - STL
1 stop13h 06mFrontier
Mon 5/68:04 pmSTL - PHX
1 stop6h 01mFrontier
Deal found 4/24$168
Wed 5/14:51 pmPHX - STL
1 stop27h 18mFrontier
Sun 5/53:29 pmSTL - PHX
1 stop21h 14mFrontier
Deal found 4/24$176
Thu 5/22:11 pmPHX - STL
1 stop5h 58mFrontier
Sun 5/53:29 pmSTL - PHX
1 stop10h 36mFrontier
Deal found 4/24$177
Thu 5/211:48 amPHX - STL
1 stop8h 21mFrontier
Sun 5/510:59 pmSTL - PHX
1 stop10h 59mFrontier
Deal found 4/24$178

One-way flights to St. Louis from Mesa

Search for one-way flight options from Mesa to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
Take a look at some of the one-way flights we've detected from Mesa to St. Louis. Users can also find round-trip Mesa to St. Louis flights by using the search form above.
Wed 5/83:45 pmPHX - STL
Nonstop2h 54mFrontier
Deal found 4/24$39
Mon 5/64:09 pmPHX - STL
Nonstop2h 54mFrontier
Deal found 4/24$49
Thu 5/92:11 pmPHX - STL
1 stop5h 58mFrontier
Deal found 4/23$59
Thu 5/22:11 pmPHX - STL
1 stop5h 58mFrontier
Deal found 4/23$69
Wed 5/82:11 pmPHX - STL
1 stop18h 07mFrontier
Deal found 4/24$70
Thu 5/911:11 amPHX - STL
1 stop26h 03mSpirit Airlines
Deal found 4/24$73
Thu 5/96:56 pmPHX - STL
Nonstop3h 00mAmerican Airlines
Deal found 4/23$76
Wed 5/111:48 amPHX - STL
1 stop20h 30mFrontier
Deal found 4/24$77
Tue 5/712:59 amPHX - STL
1 stop6h 54mAmerican Airlines
Deal found 4/24$84

Find flights from Mesa to St. Louis within your budget

Customize your flight search to find flights from Mesa to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$78 - $180

Route

Depart

Return

Price

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Sat 5/11

Nonstop2h 54m

Lambert-St Louis

Wed 5/15

Nonstop3h 28m

$78

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Sat 5/11

Nonstop2h 54m

Lambert-St Louis

Sat 5/18

1 stop6h 21m

$84

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Mon 5/13

1 stop17h 58m

Lambert-St Louis

Wed 5/15

Nonstop3h 28m

$87

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Mon 5/13

Nonstop2h 54m

Lambert-St Louis

Sat 5/18

Nonstop3h 17m

$88

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Sat 5/11

Nonstop2h 54m

Lambert-St Louis

Sat 5/18

2 stops14h 23m

$89

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Tue 5/14

1 stop8h 00m

Lambert-St Louis

Tue 5/14

1 stop10h 59m

$90

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Sat 6/8

Nonstop2h 54m

Lambert-St Louis

Tue 6/11

Nonstop3h 20m

$131

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Thu 5/30

1 stop26h 03m

Lambert-St Louis

Sat 6/1

2 stops14h 23m

$175

Phoenix Sky Harbor IntlLambert-St Louis

PHX - STL

PHXSTL

Phoenix Sky Harbor Intl

Thu 5/9

1 stop26h 03m

Lambert-St Louis

Tue 5/14

2 stops23h 35m

$180

Flights are sorted by cheapest first

Deals found on 4/23

When is the best time to book a flight from Mesa to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Mesa to St. Louis. Price data was last updated on January 28, 2024.
Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from Mesa to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

When is the cheapest time to fly from Mesa to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Mesa to St. Louis. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Mesa to St. Louis flight should consider departing on Tuesday evenings when fares are most often at their lowest. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Mesa to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Mesa to St. Louis is currently $66 while a round-trip flight costs $111. Price data was last updated on April 21, 2024.

Currently, September is the cheapest month in which you can book a flight from Mesa to St. Louis (average of $323). Flying from Mesa to St. Louis in July is currently the most expensive (average of $378). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$326

February

$331

March

$357

April

$337

May

$350

June

$373

July

$378

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 25, 2024.
To help decide which airline to fly from Mesa to St. Louis, see what other customers have to say about American Airlines, Frontier and Spirit Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,110 reviews

Entertainment

7.3

Comfort

7.9

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,110 reviews
8.1
Very good
9,110 reviews

Entertainment

7.3

Comfort

7.9

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.4
Good
11,255 reviews
8.1
Very good
9,110 reviews

Entertainment

7.3

Comfort

7.9

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.3
Good
14,898 reviews
8.1
Very good
9,110 reviews

Entertainment

7.3

Comfort

7.9

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

6.4
Okay
8,754 reviews
8.1
Very good
9,110 reviews

Entertainment

7.3

Comfort

7.9

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

6.3
Okay
4,135 reviews
8.1
Very good
9,110 reviews

Entertainment

7.3

Comfort

7.9

Food

7.3

Overall

8.1

Boarding

8.2

Crew

8.6

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Mesa to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • 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. 5 airlines have flights to Lambert-St Louis from Mesa on a regular basis.

  • 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 Frontier for just $78, but on average you can expect to pay $94.

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

    Cheapflights has at least 18 direct flights from Mesa to St. Louis under $100. A good price for a nonstop flight from Mesa to St. Louis is less than $273.

  • Are there last-minute flights available from Mesa to St. Louis for under $100?

    There are currently 20+ open flights from Mesa to St. Louis within the next 7 days for less than $100.

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

    You can find nonstop flights on the following days: Friday.

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

    1 flight departure from Mesa to St. Louis per day on average.
    Early Morning (Midnight to 6am) - 100% of flight departures

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

    For as low as $78, Frontier can have you in St. Louis from Mesa in 2h 54m. The distance between Mesa and St. Louis is about 1266 mi. Most flights are nonstop.

  • 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 $39. Users have also found prices from $73 and $76 on Spirit Airlines and American Airlines, respectively.

  • What are the most popular airlines that fly 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 Frontier (100%), American Airlines (89%) or Southwest (85%) 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 $218 for a flight from Mesa to St. Louis. The cheapest flight overall is $34 while the most popular route, (Phoenix Sky Harbor Intl - Lambert-St Louis) is currently priced at $124.

  • What does PHX to STL mean?

    This is defined as Phoenix Sky Harbor Intl Airport (PHX) and Lambert-St Louis Airport (STL). Codes like Lambert-St Louis Airport are often used to just call airports uniquely. Ready for more IATA code knowledge? These are related airports for your current travel destination: Phoenix-Mesa Gateway Airport (AZA), Prescott Airport (PRC), Phoenix Scottsdale Municipal Airport (SCF).

  • Can I find deals for flights from Mesa to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Mesa to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Mesa to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Mesa to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Mesa to St. Louis that include hotel bookings?

    Yes. In addition to deals on Mesa to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mesa to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mesa to St. Louis.

  • Can I find deals for business class flights from Mesa to St. Louis?

    Yes. Cheapflights offers flight deals from Mesa to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Mesa to St. Louis that allow pets onboard?

    Many airlines flying from Mesa to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Mesa to St. Louis?

    Yes, you can often find last-minute deals on Mesa to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Mesa to St. Louis flight deals updated?

    The Mesa to St. Louis flight deals you see on this page were last updated on 4/24.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Mesa to St. Louis

Discover the top 5 airlines that operate flights from Mesa to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,073,952 searches. Data last updated April 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$79Average$207FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$155Average$285FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$271Average$425FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$276Average$424FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$330Average$523FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Search flights from Mesa to St. Louis by cabin class

Find flights from Mesa to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Mesa to St. Louis

Find hourly flight availability from Mesa to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2024.
7%of flight departuresEarly morningMidnight to 6 am
59%of flight departuresMorning6 am to noon
31%of flight departuresAfternoonNoon to 6 pm
3%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Mesa to St. Louis

Explore weekly flight availability from Mesa to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated April 25, 2024.
Sunday12daily flights
Monday9daily flights
Tuesday9daily flights
Wednesday9daily flights
Thursday9daily flights
Friday9daily flights
Saturday9daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Mesa to St. Louis?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Mesa to St. Louis. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Mesa to St. Louis?

Millions of users choose and trust Cheapflights to book the best flight deals from Mesa to St. Louis for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Mesa to St. Louis with no change fees?

Yes! Cheapflights helps users easily find flights from Mesa to St. Louis with no change fees.

Can Cheapflights notify me if prices for flights from Mesa to St. Louis become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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