$250 Cheap Flights from Waterloo (ALO) to McAllen (MFE)

View $250 flight on Tue, Mar 31, 2026Opens in a new window

Popular airlines from Waterloo, IA (ALO-Waterloo Regional) to Miller Intl. Airport (MFE)

Cheap Flights from Waterloo to McAllen (ALO-MFE)

Prices were available within the past 7 days and start at $250 for one-way flights and $499 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Mar 31 - Wed, Apr 1
ALO
Waterloo
MFE
McAllen
$499 Roundtrip, found 5 days ago
$499
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Mar 31 from Waterloo to McAllen, returning Wed, Apr 1, priced at $499 found 5 days ago
American Airlines
Tue, Mar 31 - Wed, Apr 1
ALO
Waterloo
MFE
McAllen
$539 Roundtrip, found 5 days ago
$539
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Mar 31 from Waterloo to McAllen, returning Wed, Apr 1, priced at $539 found 5 days ago
American Airlines
Tue, Mar 31 - Wed, Apr 1
ALO
Waterloo
MFE
McAllen
$579 Roundtrip, found 5 days ago
$579
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Mar 31 from Waterloo to McAllen, returning Wed, Apr 1, priced at $579 found 5 days ago
American Airlines
Tue, Mar 31 - Wed, Apr 1
ALO
Waterloo
MFE
McAllen
$589 Roundtrip, found 5 days ago
$589
Roundtrip
found 5 days ago
Select American Airlines flight, departing Tue, Mar 31 from Waterloo to McAllen, returning Wed, Apr 1, priced at $589 found 5 days ago
American Airlines
Fri, Apr 10 - Sun, Apr 12
ALO
Waterloo
MFE
McAllen
$630 Roundtrip, found 21 hours ago
$630
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Waterloo to McAllen, returning Sun, Apr 12, priced at $630 found 21 hours ago
American Airlines
Fri, Apr 10 - Sun, Apr 12
ALO
Waterloo
MFE
McAllen
$680 Roundtrip, found 21 hours ago
$680
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Waterloo to McAllen, returning Sun, Apr 12, priced at $680 found 21 hours ago
American Airlines
Fri, Apr 10 - Sun, Apr 12
ALO
Waterloo
MFE
McAllen
$684 Roundtrip, found 21 hours ago
$684
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Waterloo to McAllen, returning Sun, Apr 12, priced at $684 found 21 hours ago
American Airlines
Fri, Apr 10 - Sun, Apr 12
ALO
Waterloo
MFE
McAllen
$745 Roundtrip, found 21 hours ago
$745
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Waterloo to McAllen, returning Sun, Apr 12, priced at $745 found 21 hours ago
American Airlines
Fri, Apr 10 - Sun, Apr 12
ALO
Waterloo
MFE
McAllen
$773 Roundtrip, found 21 hours ago
$773
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Waterloo to McAllen, returning Sun, Apr 12, priced at $773 found 21 hours ago
American Airlines
Fri, Apr 10 - Sun, Apr 12
ALO
Waterloo
MFE
McAllen
$780 Roundtrip, found 21 hours ago
$780
Roundtrip
found 21 hours ago
Select American Airlines flight, departing Fri, Apr 10 from Waterloo to McAllen, returning Sun, Apr 12, priced at $780 found 21 hours ago

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Frequently asked questions

How much does a flight from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) cost?
You can find cheap one-way flights from $250 and cheap return flights from $499 Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) with Expedia. One-way flights generally range between $379 and $1046. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
The cheapest month to fly from ALO to MFE is March when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
Enter ALO to MFE and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
American Airlines is just one of the carriers that fly from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.). Use Expedia's flight search tool to compare airlines on this route and find our cheapest option for your trip. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
To find a cheap flight from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
What is the earliest flight from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
The earliest flight from Waterloo, IA (ALO) to McAllen, TX (MFE) typically departs at around 5:40 AM, operated by American Airlines. This seasonal service is active in December, allowing you to start your journey early and enjoy your time in McAllen. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
a Thursday typically has the most flights from Waterloo Regional (ALO) to Miller Intl. (MFE), with approximately 1 flights available. This gives you plenty of options for your travel plans. A major airline on this route is American Airlines.
What are the most popular departure times for flights from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
For flights from Waterloo Regional (ALO) to Miller International (MFE), the most popular departure times are in the early morning, from 3am to 6am. About 100% of passengers prefer this time window. Many major carriers, including American Airlines, offer flights during this window. This timing works well because it allows you to maximize your day in McAllen.
How long does it take to fly from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
Flights from ALO to MFE with one stop typically take around 10 hours 30 minutes, covering approximately 1,178 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
First class seats are offered on the ALO to MFE route with American Airlines.
How do I earn miles on a Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) flight with Expedia?
It's easy to earn miles on a Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for McAllen from Waterloo Regional (ALO)?
If you're planning to travel to McAllen from Waterloo Regional (ALO), you can fly typically into Miller Intl. (MFE) Some flights may connect through major hubs like O'Hare Intl. (ORD) before reaching McAllen. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) at the last minute?
Typically, booking a last minute flight from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) flight and hotel package?
Securing a Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) Mcallen Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.)?
If you booked your Waterloo, IA (ALO-Waterloo Regional) to McAllen, TX (MFE-Miller Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Waterloo Regional
Destination airport
Miller Intl.
Airlines serving
American Airlines
Roundtrip price
$499
Distance
1178 mi

Book with confidence

Waterloo to McAllen Flights

The cheapest times to fly from Waterloo to McAllen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Waterloo to McAllen are during the month of March. You can find some of the cheapest flights from Waterloo to McAllen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Waterloo to McAllen

Sunday is one of the best days to book for cheap flights from Waterloo to McAllen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Waterloo to McAllen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Waterloo to McAllen in 2026. You can also book with separate airlines for your outbound and return journeys, from $250 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Waterloo to McAllen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Waterloo to McAllen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Waterloo to McAllen Flights

*Flight schedules are subject to change.

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*Available to One Key members.