Cheap flights from St. Louis to McAllen (STL - MFE) from $245

This is the cheapest one-way flight price, found on 9/26. Prices may vary by date and flight preferences.
STL — MFE
Oct 2 — Oct 91

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

All the information you need to plan the best STL to MFE flight in 2023: compare St. Louis to McAllen flight prices with the expected peak season, weather and rainfall in McAllen.

Popular in

June

Cheapest in

February

Round-trip from

$377

One-way from

$245
High demand for flights, 18% potential price rise
Best time to find cheap flights, 25% potential price drop
From Lambert-St Louis to McAllen Miller Intl
One-way flight from Lambert-St Louis to McAllen Miller Intl

STL - MFE

Price

$377 - $597

MFE

Temperature

60.8 - 87.8 °F

MFE

Rainfall

0.9 - 4.5 inches

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

February can be a great time to fly to McAllen from St. Louis with a flight ticket averaging about $476. Cheapflights users have found deals in the month of February for as cheap as $345. The most expensive prices can be found in the month of June.

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

When flying from St. Louis to McAllen, 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 St. Louis to McAllen

Take a peek at the cheapest American Airlines flights we've detected traveling from St. Louis to McAllen. Come back soon if you're not finding the exact deal you're looking for.

Cheap United Airlines flights from St. Louis to McAllen

Browse through some of the cheapest United Airlines flights traveling from St. Louis to McAllen. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap St. Louis to McAllen flights in September & October 2023

The best prices found for STL to MFE flights for September, October
Scroll through some of the best deals on flights from St. Louis to McAllen in 2023. Check back soon for alternative fares.

St. Louis to McAllen 2023 flight deals

Cheap flights to McAllen from St. Louis found for this year
Scroll through some of the best deals on flights from St. Louis to McAllen in 2023. Check back soon for alternative fares.

One-way flights to McAllen from St. Louis

The cheapest one-way flights from St. Louis to McAllen
Users in need of a one-way flight from St. Louis to McAllen can choose from these deals. Those needing a return flight from St. Louis to McAllen can use the search form above.

Find flights from St. Louis to McAllen within your budget

Use the slider to find flights from St. Louis to McAllen that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$305 - $531

Route

Depart

Return

Price

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/28

1 stop5h 45m

McAllen Miller Intl

Sat 11/4

1 stop5h 31m

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Sun 11/5

1 stop6h 21m

McAllen Miller Intl

Sat 11/11

1 stop4h 40m

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Sun 11/5

2 stops11h 44m

McAllen Miller Intl

Sat 11/11

1 stop4h 46m

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/28

1 stop4h 34m

McAllen Miller Intl

Sat 11/4

2 stops16h 11m

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Sun 11/5

2 stops7h 28m

McAllen Miller Intl

Sat 11/11

2 stops10h 09m

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/28

2 stops11h 55m

McAllen Miller Intl

Sat 11/4

2 stops16h 11m

Lambert-St LouisMcAllen Miller Intl

STL - MFE

STLMFE

Lambert-St Louis

Thu 12/28

1 stop5h 09m

McAllen Miller Intl

Tue 1/2

1 stop5h 31m

Flights are sorted by cheapest first

Deals found on 9/27

Reviews of airlines servicing McAllen

To help decide which airline to fly from St. Louis to McAllen, see what other customers have to say about American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

United Airlines
7.4
Good
1,890 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

American Airlines
7.2
Good
2,635 reviews
United Airlines
7.4
Good
1,890 reviews

Crew

8.1

Food

6.7

Overall

7.4

Comfort

7.3

Entertainment

7.0

Boarding

7.7

Reviews

1 / 10

The flight to Denver was delayed for hours. Not cool. I ended up arriving in rapid city really late. That caused a lot of problems.

Related info for your journey

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

Can I find flights from St. Louis to McAllen for under $400 on Cheapflights?

Yes, there are multiple flights from St. Louis to McAllen for under $400. The cheapest flight booked recently is on American Airlines for just $305, but on average you can expect to pay $401.

What are the cheapest airlines flying from St. Louis to McAllen round-trip?

Our cheapest airline available from St. Louis to McAllen is American Airlines. Our recent data shows that you can find tickets from as low as $305 on this airline. An additional option worth looking into is United Airlines, starting at $382. American Airlines is currently priced 36% below the average price you’ll pay for this route.

What does STL to MFE mean?

STL and MFE are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to MFE refers to a flight route from Lambert-St Louis Airport to McAllen Miller Intl Airport.

Alternative routes for St. Louis to McAllen

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

Top 2 airlines flying from St. Louis to McAllen

The chart below displays the airlines Cheapflights users traveling from St. Louis to McAllen choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$316Average$448FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$370Average$432FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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

When you search for this flight from St. Louis to McAllen, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights helps you find that perfect flight to McAllen from St. Louis by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to McAllen, users can toggle the no change fees filter when performing a flight search.

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

Not ready to book yet? You can track prices for flights from St. Louis to McAllen on Cheapflights with our Price Alert feature and get notified when better prices are available.

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