Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to McAllen from $144

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to McAllen departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to McAllen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:00 am - 3:59 pm
STL
-
MFE
9h 59m
2 stops
Delta Logo
5:25 am - 3:57 pm
MFE
-
STL
10h 32m
2 stops
$300Delta
Fri, Sep 18 - Wed, Sep 23
Delta Logo
6:20 am - 4:37 pm
STL
-
MFE
10h 17m
2 stops
Delta Logo
5:20 am - 4:17 pm
MFE
-
STL
10h 57m
2 stops
$343Delta
Mon, Aug 3 - Wed, Aug 19
American Airlines Logo
5:40 am - 10:26 am
STL
-
MFE
4h 46m
1 stop
American Airlines Logo
4:19 pm - 11:41 pm
MFE
-
STL
7h 22m
1 stop
$375American Airlines
Fri, Sep 18 - Wed, Sep 23
United Airlines Logo
6:15 am - 1:27 pm
STL
-
MFE
7h 12m
1 stop
United Airlines Logo
5:19 am - 3:31 pm
MFE
-
STL
10h 12m
2 stops
$376United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
8:00 am - 5:44 pm
STL
-
MFE
9h 44m
2 stops
United Airlines Logo
5:19 am - 3:31 pm
MFE
-
STL
10h 12m
2 stops
$382United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
6:15 am - 1:27 pm
STL
-
MFE
7h 12m
1 stop
United Airlines Logo
5:19 am - 3:31 pm
MFE
-
STL
10h 12m
2 stops
$384United Airlines
Tue, Aug 25 - Sat, Aug 29
United Airlines Logo
7:00 am - 9:59 pm
STL
-
MFE
14h 59m
2 stops
United Airlines Logo
5:19 am - 3:31 pm
MFE
-
STL
10h 12m
2 stops
$389United Airlines
Tue, Aug 25 - Sat, Aug 29
Delta Logo
6:00 am - 4:01 pm
STL
-
MFE
10h 01m
2 stops
Delta Logo
12:47 pm - 11:39 pm
MFE
-
STL
10h 52m
2 stops
$395Delta
Thu, Oct 29 - Mon, Nov 2
American Airlines Logo
5:03 pm - 10:07 pm
STL
-
MFE
5h 04m
1 stop
American Airlines Logo
5:00 am - 2:06 pm
MFE
-
STL
9h 06m
2 stops
$401American Airlines
Tue, May 26 - Sat, May 30
Multiple Airlines Logo
4:52 pm - 4:04 pm
STL
-
MFE
47h 12m
2 stops
Multiple Airlines Logo
4:53 pm - 7:36 pm
MFE
-
STL
26h 43m
1 stop
$405Multiple Airlines
Mon, Aug 3 - Wed, Aug 19

Delta flights from St. Louis to McAllen

Our best Delta deals on St. Louis to McAllen flight tickets
Delta
Sep 18
STL6:00 amLambert-St Louis
9h 59m
2 stops
MFE3:59 pmMcAllen Miller Intl
Sep 23
MFE5:25 amMcAllen Miller Intl
10h 32m
2 stops
STL3:57 pmLambert-St Louis
$300
Delta
Aug 3
STL6:20 amLambert-St Louis
10h 17m
2 stops
MFE4:37 pmMcAllen Miller Intl
Aug 19
MFE5:20 amMcAllen Miller Intl
10h 57m
2 stops
STL4:17 pmLambert-St Louis
$343
Delta
Oct 29
STL6:00 amLambert-St Louis
10h 01m
2 stops
MFE4:01 pmMcAllen Miller Intl
Nov 2
MFE12:47 pmMcAllen Miller Intl
10h 52m
2 stops
STL11:39 pmLambert-St Louis
$395

American Airlines flights from St. Louis to McAllen

Our best American Airlines deals on St. Louis to McAllen flight tickets
American Airlines
Sep 18
STL5:40 amLambert-St Louis
4h 46m
1 stop
MFE10:26 amMcAllen Miller Intl
Sep 23
MFE4:19 pmMcAllen Miller Intl
7h 22m
1 stop
STL11:41 pmLambert-St Louis
$375
American Airlines
May 26
STL5:03 pmLambert-St Louis
5h 04m
1 stop
MFE10:07 pmMcAllen Miller Intl
May 30
MFE5:00 amMcAllen Miller Intl
9h 06m
2 stops
STL2:06 pmLambert-St Louis
$401
American Airlines
May 26
STL2:36 pmLambert-St Louis
7h 31m
2 stops
MFE10:07 pmMcAllen Miller Intl
May 30
MFE5:00 amMcAllen Miller Intl
8h 15m
2 stops
STL1:15 pmLambert-St Louis
$406

momondo 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, momondo users made 832,500 searches. Data last updated May 15, 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

Price

Cheapest round-trip

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Fri 9/18

6:00 am-3:59 pm

2 stops9h 59m

McAllen Miller Intl

Wed 9/23

5:25 am-3:57 pm

2 stops10h 32m

$300

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Mon 8/3

6:20 am-4:37 pm

2 stops10h 17m

McAllen Miller Intl

Wed 8/19

5:20 am-4:17 pm

2 stops10h 57m

$343
Quickest round-trip

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Fri 9/18

5:40 am-10:26 am

1 stop4h 46m

McAllen Miller Intl

Wed 9/23

4:19 pm-11:41 pm

1 stop7h 22m

$375

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 8/25

6:15 am-1:27 pm

1 stop7h 12m

McAllen Miller Intl

Sat 8/29

5:19 am-3:31 pm

2 stops10h 12m

$376

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 8/25

8:00 am-5:44 pm

2 stops9h 44m

McAllen Miller Intl

Sat 8/29

5:19 am-3:31 pm

2 stops10h 12m

$382

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 8/25

6:15 am-1:27 pm

1 stop7h 12m

McAllen Miller Intl

Sat 8/29

5:19 am-3:31 pm

2 stops10h 12m

$384

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 8/25

7:00 am-9:59 pm

2 stops14h 59m

McAllen Miller Intl

Sat 8/29

5:19 am-3:31 pm

2 stops10h 12m

$389

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Thu 10/29

6:00 am-4:01 pm

2 stops10h 01m

McAllen Miller Intl

Mon 11/2

12:47 pm-11:39 pm

2 stops10h 52m

$395

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Tue 5/26

5:03 pm-10:07 pm

1 stop5h 04m

McAllen Miller Intl

Sat 5/30

5:00 am-2:06 pm

2 stops9h 06m

$401

St. LouisMcAllen

STL - MFE

STLMFE

Lambert-St Louis

Mon 8/3

4:52 pm-4:04 pm

2 stops47h 12m

McAllen Miller Intl

Wed 8/19

4:53 pm-7:36 pm

1 stop26h 43m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

See travel insights to McAllen from

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

What is the typical price of a round-trip flight between St. Louis and McAllen?

What is the cheapest month to fly to McAllen?

The month of January is, on average, the cheapest month to fly to McAllen from St. Louis, with most prices found around $0. If you don’t want to visit McAllen in January, then you should wait until February to fly from St. Louis, when ticket prices are also cheap, with an average price of $293.

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

You could potentially save up to 6% 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

4h 59m

Direct flights

None
The fastest flight from St. Louis to McAllen takes 4h 59m
There are no direct flights from St. Louis to McAllen. There are no popular flight routes from St. Louis to McAllen.
Search flight deals

Frequently asked questions about flying from St. Louis to McAllen

  • 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 4h 59m.

  • 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?

  • 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?

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 AirlinesPriceFrom $196Free CancellationRating
7.1
11,662 reviews
Search American Airlines flights

Traveling to a place near McAllen?

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

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.

An easier way to manage your McAllen trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sun 6/14
Sun 6/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States