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McAllen

$134+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$363
(Delta)

One-way from

$134
(Delta)

Popular in

July

Cheapest in

February

Average price

$439
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. 19% potential increase in price ($95 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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 7/117:00 amSTL - MFE
2 stops9h 34mDelta
Mon 7/1412:31 pmMFE - STL
2 stops11h 22mDelta
Deal found 6/11$363
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2410:47 amSTL - MFE
2 stops33h 28mMultiple Airlines
Sun 7/2712:04 pmMFE - STL
2 stops21h 48mMultiple Airlines
Deal found 6/11$434
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 6/295:37 amSTL - MFE
1 stop4h 26mAmerican Airlines
Sun 7/205:12 pmMFE - STL
1 stop5h 45mAmerican Airlines
Deal found 6/10$461
This United Airlines deal was found by Cheapflights users on 6/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:15 amSTL - MFE
1 stop5h 11mUnited Airlines
Sun 7/275:15 amMFE - STL
1 stop4h 13mUnited Airlines
Deal found 6/11$528

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 June 12, 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

Fri 7/11

7:00 am-4:34 pm

2 stops9h 34m

McAllen Miller Intl

Mon 7/14

12:31 pm-11:53 pm

2 stops11h 22m

$363

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 7/24

10:47 am-8:15 pm

2 stops33h 28m

McAllen Miller Intl

Sun 7/27

12:04 pm-9:52 am

2 stops21h 48m

$434

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Sun 6/29

5:37 am-10:03 am

1 stop4h 26m

McAllen Miller Intl

Sun 7/20

5:12 pm-10:57 pm

1 stop5h 45m

$461

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 7/24

6:15 am-11:26 am

1 stop5h 11m

McAllen Miller Intl

Sun 7/27

5:15 am-9:28 am

1 stop4h 13m

$528

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 7/9

3:41 pm-11:59 pm

2 stops8h 18m

$134

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Wed 7/9

6:15 pm-11:34 pm

1 stop5h 19m

$406

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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 June 12, 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.

Rainfall in McAllen by month

Plan your trip to McAllen by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in McAllen ranges from 0.9 - 4.5 inches per month. September is typically the wettest month, when rainfall can reach 4.5 in. November is typically the driest time to visit McAllen when rainfall is around 0.9 in.

Temperature in McAllen by month

Plan your trip to McAllen by taking into account the average temperature totals by month.

If weather is an important factor for your trip to McAllen, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 87.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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 June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,790 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,950 reviews

Boarding

8.2

Food

7.3

Crew

8.5

Comfort

7.9

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

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

    Our cheapest airline available from St. Louis to McAllen is Delta. Our recent data shows that you can find tickets from as low as $363 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $461 and $528 round-trip. Delta is currently priced 5% 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Mission
Pharr
Weslaco
Edinburg

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Top 2 airlines flying from St. Louis to McAllen

Discover the top 2 airlines 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$244Average$563FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$256Average$394FlexibilityNo cancel feeOn-time71%

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