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McAllen

$99+ Cheap flights from St. Louis to McAllen (STL - MFE)

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 10/25. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from St. Louis to McAllen

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to McAllen (MFE). 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 September 11, 2025.

Round-trip from

$197
(American Airlines)

One-way from

$99
(American Airlines)

Popular in

July

Cheapest in

October

Average price

$408
From Lambert-St Louis to McAllen Miller Intl
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One-way flight from Lambert-St Louis to McAllen Miller Intl
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Highest demand for flights based on searches. 23% potential increase in price ($116 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to McAllen

Cheapest flights from St. Louis to McAllen
Explore the most affordable flight options available from St. Louis to McAllen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/188:49 amSTL - MFE
1 stop5h 13mAmerican Airlines
Sat 11/155:34 amMFE - STL
1 stop7h 03mAmerican Airlines
Deal found 9/10$197
This American Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/265:18 amSTL - MFE
1 stop4h 50mAmerican Airlines
Tue 9/303:51 pmMFE - STL
1 stop4h 24mAmerican Airlines
Deal found 9/11$243
This Delta deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/276:00 amSTL - MFE
2 stops11h 12mDelta
Sat 10/1812:31 pmMFE - STL
2 stops9h 33mDelta
Deal found 9/10$253
This American Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/185:09 pmSTL - MFE
1 stop5h 44mAmerican Airlines
Sun 11/95:34 amMFE - STL
1 stop5h 05mAmerican Airlines
Deal found 9/9$274
This Delta deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/262:31 pmSTL - MFE
2 stops9h 27mDelta
Tue 9/305:25 amMFE - STL
2 stops11h 20mDelta
Deal found 9/11$278
This American Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/278:50 amSTL - MFE
1 stop5h 59mAmerican Airlines
Sat 10/182:59 pmMFE - STL
1 stop5h 54mAmerican Airlines
Deal found 9/10$280

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to McAllen 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 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from St. Louis to McAllen that are best for you.

Fly from

St. Louis

Fly to

McAllen

Route

Depart

Return

Price

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/18

8:49 am-2:02 pm

1 stop5h 13m

McAllen Miller Intl

Sat 11/15

5:34 am-12:37 pm

1 stop7h 03m

$197

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Fri 9/26

5:18 am-10:08 am

1 stop4h 50m

McAllen Miller Intl

Tue 9/30

3:51 pm-8:15 pm

1 stop4h 24m

$243

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 9/27

6:00 am-5:12 pm

2 stops11h 12m

McAllen Miller Intl

Sat 10/18

12:31 pm-10:04 pm

2 stops9h 33m

$253

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/18

5:09 pm-10:53 pm

1 stop5h 44m

McAllen Miller Intl

Sun 11/9

5:34 am-10:39 am

1 stop5h 05m

$274

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Fri 9/26

2:31 pm-11:58 pm

2 stops9h 27m

McAllen Miller Intl

Tue 9/30

5:25 am-4:45 pm

2 stops11h 20m

$278

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 9/27

8:50 am-2:49 pm

1 stop5h 59m

McAllen Miller Intl

Sat 10/18

2:59 pm-8:53 pm

1 stop5h 54m

$280

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/25

9:43 am-2:02 pm

1 stop4h 19m

$99

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/11

5:09 pm-10:53 pm

1 stop5h 44m

$156

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 11/26

1:55 pm-11:59 pm

2 stops10h 04m

$161

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sat 10/25

9:50 am-11:58 am

3 stops26h 08m

$376

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

Showing 1-10 of 12 results
1
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Best time to book a flight from St. Louis to McAllen

Have a flexible travel schedule? Discover the best time to fly to McAllen from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to McAllen

What is the cheapest month to book a flight from St. Louis to McAllen?

Currently, September is the cheapest month in which you can book a flight from St. Louis to McAllen (average of $281). Flying from St. Louis to McAllen in December is currently the most expensive (average of $416). 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.

What is the cheapest time of day to fly from STL to MFE?

Find hourly flight availability from St. Louis to McAllen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

A simple way to save on the total cost of your ticket is to fly from St. Louis to McAllen in the morning. If you’re flexible enough to do this you can expect to save up to 35% on your trip compared to booking a flight at noon.

Reviews of airlines servicing McAllen

Get insights into the airlines that provide service to McAllen. 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 McAllen. Reviews last updated September 11, 2025.
Peruse reviews from past customers who have flown with American Airlines from St. Louis to McAllen to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Food

6.4

Boarding

7.5

Overall

7.2

Entertainment

6.9

Crew

8.0

Comfort

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to McAllen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Airlines like American Airlines and Delta fly from St. Louis to McAllen in about 5h 13m. The time it takes to get you to your destination can typically vary by up to 5h 59m. Airlines will cover a distance of 981 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly 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 $196 on this airline. American Airlines is currently priced 48% below the average price you’ll pay for this route.

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

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

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

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

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

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

  • What is the cheapest month to book a flight from St. Louis to McAllen?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to McAllen (average of $281). Flying from St. Louis to McAllen in December is currently the most expensive (average of $416). 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.

See more FAQs

Traveling to a place near McAllen?

Book flights to McAllen if you plan to visit one of these locations
Mission
Weslaco
Pharr
Edinburg

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Top airline flying from St. Louis to McAllen

Discover the top airline that operate flights from St. Louis to McAllen. 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 2,558,603 searches. Data last updated September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$196Average$390FlexibilityNo cancel feeOn-time71%

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