What airlines fly to McAllen?

American Airlines, Southwest and United Airlines are the top three most popular airlines that fly to McAllen from St. Louis according to our data. American Airlines is the first choice among our users, with 73% of people opting to fly with this airline when traveling to McAllen. Keep in mind that there are 3 different airlines that fly to McAllen on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport?

Prices for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport are updated daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport?

The number of operators available for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport is 1 as of February 2026.

How old do you have to be to fly from Lambert-St Louis Airport to McAllen Miller Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to McAllen Miller Intl Airport.

What documentation or ID do you need to fly to McAllen Miller Intl Airport?

The travel and health documents you'll need for your trip to McAllen Miller Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at McAllen Miller Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$257 Cheap Flights from St. Louis to McAllen in 2026

1 adult

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Find the cheapest flights from St. Louis to McAllen

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Cheap round-trip flights

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5:12 am - 10:15 am

STL

MFE

5h 03m

1 stop

5:28 am - 11:01 am

MFE

STL

5h 33m

1 stop

$257American Airlines

ה', פב' 26 - ד', מרץ 4

5:12 am - 10:15 am

STL

MFE

5h 03m

1 stop

11:00 am - 5:13 pm

MFE

STL

6h 13m

1 stop

$267American Airlines

א', פב' 22 - ש', פב' 28

2:22 pm - 11:57 pm

STL

MFE

9h 35m

2 stops

1:03 pm - 11:36 pm

MFE

STL

10h 33m

2 stops

$293Delta

ג', מרץ 3 - ד', מרץ 4

5:12 am - 10:15 am

STL

MFE

5h 03m

1 stop

11:00 am - 5:13 pm

MFE

STL

6h 13m

1 stop

$309American Airlines

ד', פב' 18 - ש', פב' 21

5:12 am - 10:15 am

STL

MFE

5h 03m

1 stop

9:37 am - 9:12 pm

MFE

STL

11h 35m

2 stops

$314American Airlines

ד', פב' 18 - ש', פב' 21

8:30 am - 9:42 pm

STL

MFE

13h 12m

2 stops

5:13 am - 9:23 am

MFE

STL

4h 10m

1 stop

$322United Airlines

ג', מרץ 3 - ד', מרץ 4

5:12 am - 10:15 am

STL

MFE

5h 03m

1 stop

11:00 am - 5:13 pm

MFE

STL

6h 13m

1 stop

$327American Airlines

ד', פב' 25 - ד', מרץ 4

6:10 am - 4:54 pm

STL

MFE

10h 44m

2 stops

1:03 pm - 11:36 pm

MFE

STL

10h 33m

2 stops

$329Delta

ה', פב' 26 - ד', מרץ 4

5:12 am - 10:15 am

STL

MFE

5h 03m

1 stop

5:28 am - 1:50 pm

MFE

STL

8h 22m

2 stops

$330American Airlines

א', פב' 22 - ש', פב' 28

8:00 am - 6:25 pm

STL

MFE

10h 25m

2 stops

5:28 am - 11:01 am

MFE

STL

5h 33m

1 stop

$332American Airlines

ד', פב' 25 - ד', מרץ 4

American Airlines flights from St. Louis to McAllen

Our best American Airlines deals on St. Louis to McAllen flight tickets

American Airlines

Feb 26

STL5:12 amLambert-St Louis

5h 03m

1 stop

MFE10:15 amMcAllen Miller Intl

Mar 4

MFE5:28 amMcAllen Miller Intl

5h 33m

1 stop

STL11:01 amLambert-St Louis

$257

American Airlines

Feb 22

STL5:12 amLambert-St Louis

5h 03m

1 stop

MFE10:15 amMcAllen Miller Intl

Feb 28

MFE11:00 amMcAllen Miller Intl

6h 13m

1 stop

STL5:13 pmLambert-St Louis

$267

American Airlines

Feb 18

STL5:12 amLambert-St Louis

5h 03m

1 stop

MFE10:15 amMcAllen Miller Intl

Feb 21

MFE11:00 amMcAllen Miller Intl

6h 13m

1 stop

STL5:13 pmLambert-St Louis

$309

Delta flights from St. Louis to McAllen

Our best Delta deals on St. Louis to McAllen flight tickets

Delta

Mar 3

STL2:22 pmLambert-St Louis

9h 35m

2 stops

MFE11:57 pmMcAllen Miller Intl

Mar 4

MFE1:03 pmMcAllen Miller Intl

10h 33m

2 stops

STL11:36 pmLambert-St Louis

$293

Delta

Feb 26

STL6:10 amLambert-St Louis

10h 44m

2 stops

MFE4:54 pmMcAllen Miller Intl

Mar 4

MFE1:03 pmMcAllen Miller Intl

10h 33m

2 stops

STL11:36 pmLambert-St Louis

$329

Delta

Feb 26

STL7:10 amLambert-St Louis

9h 44m

2 stops

MFE4:54 pmMcAllen Miller Intl

Mar 3

MFE1:03 pmMcAllen Miller Intl

10h 20m

2 stops

STL11:23 pmLambert-St Louis

$333

Fly from

Fly to

Route

Depart

Return

Price

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ה' 2/26

5:12 am-10:15 am

1 stop5h 03m

McAllen Miller Intl

ד' 3/4

5:28 am-11:01 am

1 stop5h 33m

$257

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

א' 2/22

5:12 am-10:15 am

1 stop5h 03m

McAllen Miller Intl

ש' 2/28

11:00 am-5:13 pm

1 stop6h 13m

$267

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ג' 3/3

2:22 pm-11:57 pm

2 stops9h 35m

McAllen Miller Intl

ד' 3/4

1:03 pm-11:36 pm

2 stops10h 33m

$293

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ד' 2/18

5:12 am-10:15 am

1 stop5h 03m

McAllen Miller Intl

ש' 2/21

11:00 am-5:13 pm

1 stop6h 13m

$309

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ד' 2/18

5:12 am-10:15 am

1 stop5h 03m

McAllen Miller Intl

ש' 2/21

9:37 am-9:12 pm

2 stops11h 35m

$314

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ג' 3/3

8:30 am-9:42 pm

2 stops13h 12m

McAllen Miller Intl

ד' 3/4

5:13 am-9:23 am

1 stop4h 10m

$322

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ד' 2/25

5:12 am-10:15 am

1 stop5h 03m

McAllen Miller Intl

ד' 3/4

11:00 am-5:13 pm

1 stop6h 13m

$327

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ה' 2/26

6:10 am-4:54 pm

2 stops10h 44m

McAllen Miller Intl

ד' 3/4

1:03 pm-11:36 pm

2 stops10h 33m

$329

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

א' 2/22

5:12 am-10:15 am

1 stop5h 03m

McAllen Miller Intl

ש' 2/28

5:28 am-1:50 pm

2 stops8h 22m

$330

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

ד' 2/25

8:00 am-6:25 pm

2 stops10h 25m

McAllen Miller Intl

ד' 3/4

5:28 am-11:01 am

1 stop5h 33m

$332

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from St. Louis to McAllen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on St. Louis to McAllen flights?

You could potentially save up to 33% on your flight if you consider stops on a St. Louis to McAllen flight.

When to book flights from St. Louis to McAllen

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to McAllen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to McAllen (STL to MFE) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to McAllen

Fastest flight time	5h 14m
Direct flights	None

The fastest flight from St. Louis to McAllen takes 5h 14m

There are no direct flights from St. Louis to McAllen. There are no popular flight routes from St. Louis to McAllen.

Search flight deals

How far is Lambert-St Louis to McAllen Miller Intl by plane?
The distance between Lambert-St Louis and McAllen Miller Intl is about 976.2 mi. By plane, this route typically takes 5h 14m.
When did momondo last update prices for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport?
Prices for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport?
The number of operators available for flights from Lambert-St Louis Airport to McAllen Miller Intl Airport is 1 as of February 2026.
How old do you have to be to fly from Lambert-St Louis Airport to McAllen Miller Intl Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to McAllen Miller Intl Airport.
What documentation or ID do you need to fly to McAllen Miller Intl Airport?
The travel and health documents you'll need for your trip to McAllen Miller Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at McAllen Miller Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to McAllen?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to McAllen is American Airlines (100% of total bookings).

Best airlines flying from St. Louis to McAllen

Compare and see reviews for airlines that fly from St. Louis to McAllen with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $196	Free Cancellation	Rating 7.2 11,211 reviews		Search American Airlines flights

Weslaco

Pharr

Mission

Edinburg

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to McAllen?

Finding the right flight to McAllen from St. Louis is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to McAllen quick and easy, saving you time and money.

Can I find flights from St. Louis to McAllen with flexible booking policies on momondo?

Flights from St. Louis to McAllen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to McAllen?

momondo provides multiple filters to help you find the best flight to McAllen from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to McAllen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to McAllen from St. Louis. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.