$309+ 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 8/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MFE
Aug 27 — Sep 31
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to McAllen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to McAllen
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to McAllenExplore 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 July 28, 2026.
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 July 28, 2026.
This American Airlines deal was found by Cheapflights users on 7/26. 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 10/1012:46 pm
STL
- MFE
1 stop6h 40m
American Airlines
Sat 10/172:07 pm
MFE
- STL
1 stop5h 41m
American Airlines
Deal found 7/26![American Airlines logo]()
$321
This American Airlines deal was found by Cheapflights users on 7/26. 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.
Thu 10/295:40 am
STL
- MFE
1 stop4h 52m
American Airlines
Mon 11/24:19 pm
MFE
- STL
1 stop7h 14m
American Airlines
Deal found 7/26![American Airlines logo]()
$329
This Delta deal was found by Cheapflights users on 7/26. 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 10/106:00 am
STL
- MFE
2 stops12h 23m
Delta
Sat 10/1712:46 pm
MFE
- STL
2 stops11h 08m
Delta
Deal found 7/26![Delta logo]()
$331
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 10/316:15 am
STL
- MFE
1 stop7h 14m
United Airlines
Wed 11/45:00 am
MFE
- STL
1 stop5h 02m
United Airlines
Deal found 7/23![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 7/27. 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 10/296:00 am
STL
- MFE
2 stops10h 04m
United Airlines
Mon 11/25:15 pm
MFE
- STL
1 stop5h 11m
United Airlines
Deal found 7/27![United Airlines logo]()
$484
Best flights from St. Louis to McAllenDiscover carefully curated flight deals from St. Louis to McAllen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
Discover carefully curated flight deals from St. Louis to McAllen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 28, 2026.
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Sat 10/316:15 am
STL
- MFE
1 stop7h 14m
United Airlines
Wed 11/45:00 am
MFE
- STL
1 stop5h 02m
United Airlines
Deal found 7/23![United Airlines logo]()
$391
This American Airlines deal was found by Cheapflights users on 7/26. 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 10/108:48 am
STL
- MFE
1 stop6h 46m
American Airlines
Sat 10/174:37 pm
MFE
- STL
2 stops7h 21m
American Airlines
Deal found 7/26![American Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 7/28. 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 10/296:00 am
STL
- MFE
2 stops10h 04m
United Airlines
Mon 11/25:15 pm
MFE
- STL
1 stop5h 11m
United Airlines
Deal found 7/28![United Airlines logo]()
$484
Last-minute flights from St. Louis to McAllenDiscover last-minute flight deals from St. Louis to McAllen. Data last updated July 28, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to McAllen. Data last updated July 28, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/298:38 am
STL
- MFE
1 stop4h 26m
American Airlines
Fri 7/317:00 am
MFE
- STL
1 stop5h 44m
American Airlines
Deal found 7/25![American Airlines logo]()
$838
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Wed 7/2911:25 am
STL
- MFE
2 stops11h 31m
United Airlines
Fri 7/317:00 am
MFE
- STL
1 stop7h 16m
United Airlines
Deal found 7/25![United Airlines logo]()
$843
This American Airlines deal was found by Cheapflights users on 7/25. 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 7/317:22 pm
STL
- MFE
1 stop4h 53m
American Airlines
Mon 8/39:23 am
MFE
- STL
1 stop7h 05m
American Airlines
Deal found 7/25![American Airlines logo]()
$650
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 7/316:30 pm
STL
- MFE
1 stop4h 26m
United Airlines
Mon 8/32:14 pm
MFE
- STL
2 stops9h 30m
United Airlines
Deal found 7/25![United Airlines logo]()
$754
One-way flights from St. Louis to McAllenSearch for one-way flight options from St. Louis to McAllen. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
Search for one-way flight options from St. Louis to McAllen. Find affordable one-way fares based on user searches. Data last updated July 28, 2026.
This American Airlines deal was found by Cheapflights users on 7/23. 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 8/1410:16 am
STL
- MFE
1 stop7h 09m
American Airlines
Deal found 7/23![American Airlines logo]()
$309
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/147:25 am
STL
- MFE
2 stops10h 19m
United Airlines
Deal found 7/23![United Airlines logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 7/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/144:57 pm
STL
- MFE
3 stops51h 16m
Multiple Airlines
Deal found 7/23![Multiple Airlines logo]()
$471
Find 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 July 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $321 (American Airlines) |
One-way from | $309 (American Airlines) |
Popular in | November |
Cheapest in | February |
Average price | $594 |
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 July 28, 2026.
Use the filters below to find and compare flights from St. Louis to McAllen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
St. LouisMcAllen
STL - MFE
STLMFE
Lambert-St Louis
Sat 10/31
6:15 am-1:29 pm
1 stop7h 14m
McAllen Miller Intl
Wed 11/4
5:00 am-10:02 am
1 stop5h 02m
$391
St. LouisMcAllen
STL - MFE
STLMFE
Lambert-St Louis
Sat 10/10
8:48 am-3:34 pm
1 stop6h 46m
McAllen Miller Intl
Sat 10/17
4:37 pm-11:58 pm
2 stops7h 21m
$433
St. LouisMcAllen
STL - MFE
STLMFE
Lambert-St Louis
Thu 10/29
6:00 am-4:04 pm
2 stops10h 04m
McAllen Miller Intl
Mon 11/2
5:15 pm-10:26 pm
1 stop5h 11m
$484
Cheapest one-way
Quickest one-way
St. LouisMcAllen
STL - MFE
STLMFE
Lambert-St Louis
Fri 8/14
10:16 am-5:25 pm
1 stop7h 09m
$309
St. LouisMcAllen
STL - MFE
STLMFE
Lambert-St Louis
Fri 8/14
7:25 am-5:44 pm
2 stops10h 19m
$331
St. LouisMcAllen
STL - MFE
STLMFE
Lambert-St Louis
Fri 8/14
4:57 pm-8:13 pm
3 stops51h 16m
$471
Sorted by cheapest first
Compare providers for flights from St. Louis to McAllen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to McAllen in July.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on St. Louis-McAllen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-McAllen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-McAllen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on St. Louis-McAllen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-McAllen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
STL-MFE
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’s the top layover airport for flights from St. Louis to McAllen?
Share of 1-stop round-trip flights from St. Louis to McAllen chosen by Cheapflights users in the past 12 months, using the same layover each way.
Dallas (DFW) – chosen by Cheapflights users on 75% of 1-stop itineraries from St. Louis to McAllen on Cheapflights.
What’s the cheapest layover airport for flights from St. Louis to McAllen?
Average round-trip fare for 1-stop flights from St. Louis to McAllen, chosen by Cheapflights users in the past 12 months, with the same layover each way.
Dallas (DFW) is the most affordable 1-stop option, with an average round-trip price of $376.
What’s the fastest layover option from St. Louis to McAllen?
Shortest average travel time for 1-stop one-way flights from St. Louis to McAllen, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.
Flights via Dallas (DFW) have the shortest average one-way travel time for 1-stop routes: 4h 30m.
Which airport typically offers the quickest layover for flights from St. Louis to McAllen?
Average layover duration for 1-stop one-way flights from St. Louis to McAllen, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.
Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 26m.
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 July 28, 2026.
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.
Comfort
7.2
Boarding
7.5
Food
6.4
Overall
7.1
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Comfort
7.2
Boarding
7.5
Food
6.4
Overall
7.1
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
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.
Traveling to a place near McAllen?
Book flights to McAllen if you plan to visit one of these locationsPharr
Weslaco
Mission
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 July 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$431 | FlexibilityNo cancel fee | On-time71% |