$324+ Cheap flights from McAllen to St. Louis (MFE - STL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
MFE — STL
Dec 10 — Dec 171
Round-trip
1 adult, Economy
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Find cheap flights from McAllen to St. Louis 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 McAllen to St. Louis
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Best
Last-minute
One-way
Cheapest flights from McAllen to St. LouisExplore the most affordable flight options available from McAllen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
Explore the most affordable flight options available from McAllen to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 11/244:19 pm -
1 stop5h 40m
Sat 11/285:00 am -
1 stop6h 07m
Deal found 11/9![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 11/8. 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 11/116:36 pm -
1 stop4h 57m
Mon 11/167:06 pm -
1 stop5h 09m
Deal found 11/8![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/117:00 am -
2 stops8h 43m
Mon 11/166:15 am -
1 stop5h 05m
Deal found 11/8![United Airlines logo]()
$496
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:20 am -
2 stops8h 03m
Sun 11/222:20 pm -
2 stops9h 39m
Deal found 11/9![Delta logo]()
$501
This American Airlines deal was found by Cheapflights users on 11/7. 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 11/126:23 pm -
1 stop4h 16m
Thu 11/195:00 am -
1 stop6h 07m
Deal found 11/7![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/127:00 am -
2 stops8h 43m
Thu 11/1911:00 am -
1 stop5h 04m
Deal found 11/7![United Airlines logo]()
$514
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/227:44 pm -
1 stop4h 32m
Tue 12/296:57 pm -
1 stop5h 02m
Deal found 11/9![American Airlines logo]()
$522
This Delta deal was found by Cheapflights users on 11/7. 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.
Thu 11/1212:59 pm -
2 stops11h 41m
Thu 11/196:00 am -
2 stops9h 34m
Deal found 11/7![Delta logo]()
$539
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/207:44 pm -
1 stop4h 32m
Sat 1/25:00 am -
1 stop5h 15m
Deal found 11/8![American Airlines logo]()
$549
Best flights from McAllen to St. LouisDiscover carefully curated flight deals from McAllen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
Discover carefully curated flight deals from McAllen to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/9. 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 2/131:55 pm -
1 stop4h 14m
Tue 2/1610:23 am -
1 stop7h 26m
Deal found 11/9![American Airlines logo]()
$359
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/137:00 am -
2 stops7h 45m
Tue 2/168:35 am -
1 stop7h 30m
Deal found 11/9![United Airlines logo]()
$364
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 11/244:19 pm -
1 stop5h 40m
Sat 11/285:00 am -
1 stop6h 07m
Deal found 11/9![American Airlines logo]()
$409
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Sun 12/207:15 am -
2 stops11h 03m
Sat 1/29:35 am -
2 stops12h 21m
Deal found 11/8![United Airlines logo]()
$667
This United Airlines deal was found by Cheapflights users on 11/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/245:00 am -
2 stops10h 43m
Sat 11/282:55 pm -
1 stop7h 03m
Deal found 11/9![United Airlines logo]()
$687
Last-minute flights from McAllen to St. LouisDiscover last-minute flight deals from McAllen to St. Louis. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from McAllen to St. Louis. Data last updated November 10, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/8. 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 11/116:36 pm -
1 stop4h 57m
Mon 11/167:06 pm -
1 stop5h 09m
Deal found 11/8![American Airlines logo]()
$491
This United Airlines deal was found by Cheapflights users on 11/8. 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 11/117:00 am -
2 stops8h 43m
Mon 11/166:15 am -
1 stop5h 05m
Deal found 11/8![United Airlines logo]()
$496
This American Airlines deal was found by Cheapflights users on 11/7. 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 11/126:23 pm -
1 stop4h 16m
Thu 11/195:00 am -
1 stop6h 07m
Deal found 11/7![American Airlines logo]()
$509
This United Airlines deal was found by Cheapflights users on 11/7. 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 11/127:00 am -
2 stops8h 43m
Thu 11/1911:00 am -
1 stop5h 04m
Deal found 11/7![United Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 11/7. 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.
Thu 11/1212:59 pm -
2 stops11h 41m
Thu 11/196:00 am -
2 stops9h 34m
Deal found 11/7![Delta logo]()
$539
This Delta deal was found by Cheapflights users on 11/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/185:20 am -
2 stops8h 03m
Sun 11/222:20 pm -
2 stops9h 39m
Deal found 11/9![Delta logo]()
$501
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 11/244:19 pm -
1 stop5h 40m
Sat 11/285:00 am -
1 stop6h 07m
Deal found 11/9![American Airlines logo]()
$409
This American Airlines deal was found by Cheapflights users on 11/8. 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 12/207:44 pm -
1 stop4h 32m
Sat 1/25:00 am -
1 stop5h 15m
Deal found 11/8![American Airlines logo]()
$549
This American Airlines deal was found by Cheapflights users on 11/9. 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.
Tue 12/227:44 pm -
1 stop4h 32m
Tue 12/296:57 pm -
1 stop5h 02m
Deal found 11/9![American Airlines logo]()
$522
One-way flights from McAllen to St. LouisSearch for one-way flight options from McAllen to St. Louis. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
Search for one-way flight options from McAllen to St. Louis. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 1/1110:44 am -
1 stop6h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 11/5. 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.
Mon 1/111:24 pm -
2 stops10h 02m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![Delta logo]()
$329
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 1/117:15 am -
3 stops26h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/5![United Airlines logo]()
$576
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/12:08 pm -
3 stops50h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$1,084
Find flight deals from McAllen to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from McAllen (MFE) to St. Louis (STL). 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 November 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $359 (American Airlines) |
One-way from | $324 (American Airlines) |
Cheapflights Fare Finder
Customize your flight search to find flights from McAllen to St. Louis 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 7,457,451 searches. Data last updated November 10, 2026.
Use the filters below to find and compare flights from McAllen to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Mon 1/11
10:44 am-5:09 pm
1 stop6h 25m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$324
Quickest round-trip
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Tue 12/1
5:00 am-9:31 am
1 stop4h 31m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$324
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Mon 1/11
1:24 pm-11:26 pm
2 stops10h 02m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$329
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Tue 12/1
12:59 pm-9:38 pm
2 stops8h 39m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$329
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Sat 2/13
1:55 pm-6:09 pm
1 stop4h 14m
Lambert-St Louis
Tue 2/16
10:23 am-5:49 pm
1 stop7h 26m
$359
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Sat 2/13
7:00 am-2:45 pm
2 stops7h 45m
Lambert-St Louis
Tue 2/16
8:35 am-4:05 pm
1 stop7h 30m
$364
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Tue 11/24
4:19 pm-9:59 pm
1 stop5h 40m
Lambert-St Louis
Sat 11/28
5:00 am-11:07 am
1 stop6h 07m
$409
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Mon 1/11
7:15 am-10:08 am
3 stops26h 53m
Lambert-St Louis
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$576
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Sun 12/20
7:15 am-6:18 pm
2 stops11h 03m
Lambert-St Louis
Sat 1/2
9:35 am-9:56 pm
2 stops12h 21m
$667
McAllenSt. Louis
MFE McAllen Miller Intl - STL Lambert-St Louis
MFESTL
McAllen Miller Intl
Tue 11/24
5:00 am-3:43 pm
2 stops10h 43m
Lambert-St Louis
Sat 11/28
2:55 pm-9:58 pm
1 stop7h 03m
$687
Sorted by cheapest first
Compare providers for flights from McAllen to St. Louis
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 McAllen to St. Louis in November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on McAllen-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on McAllen-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from McAllen-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on McAllen-St. Louis 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 McAllen-St. Louis 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 McAllen to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from McAllen with our price prediction graph.
MFE-STL
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.
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated November 10, 2026.
Read through reviews of airlines operating flights from McAllen to St. Louis, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.0
Food
6.4
Crew
7.9
Entertainment
6.8
Boarding
7.4
Comfort
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Overall
7.0
Food
6.4
Crew
7.9
Entertainment
6.8
Boarding
7.4
Comfort
7.2
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Related info for your journey
Find useful and relevant information for your journey from McAllen to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Maryland Heights
Chesterfield
Edwardsville
Glencoe
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McAllen and St. Louis flights
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Top airline flying from McAllen to St. Louis
Discover the top airline that operate flights from McAllen to St. Louis. 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 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$233 | Average$425 | FlexibilityNo cancel fee | On-time71% |