What is the cheapest airline that flies from Milwaukee-Mitchell to Harlingen Valley Intl?

United Airlines, Southwest, and Delta are the most popular carriers operating from Milwaukee-Mitchell to Harlingen Valley Intl

What airlines fly to Harlingen?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Harlingen from Milwaukee according to our data. American Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to Harlingen. Keep in mind that there are 4 different airlines that fly to Harlingen on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport?

Prices for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport were last updated today.

How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport?

As of September 2026, there are 2 operators available to choose from for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport.

How old do you have to be to fly from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport.

What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

The travel and health documents required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$206 Cheap Flights from Milwaukee to Harlingen in 2026/27

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Find the cheapest flights from Milwaukee to Harlingen

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8:00 am - 3:34 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

7h 34m1 stop Houston George Bush Intcntl

5:05 am - 3:06 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

10h 01m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$228United Airlines

Tue, Jan 12 - Sat, Jan 16

4:00 pm - 9:44 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

5h 44m1 stop Houston George Bush Intcntl

5:16 pm - 10:46 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

5h 30m1 stop Houston George Bush Intcntl

$239United Airlines

Tue, Feb 16 - Tue, Feb 23

9:55 am - 6:30 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

8h 35m1 stop Dallas Love Field

12:00 pm - 8:15 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

8h 15m1 stop Dallas Love Field

$246Southwest

Tue, Feb 16 - Tue, Feb 23

9:05 am - 9:05 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

12h 00m1 stop Austin Bergstrom

6:50 am - 2:45 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

7h 55m2 stops Houston Hobby Denver Intl

$246Southwest

Tue, Feb 16 - Tue, Feb 23

9:55 am - 5:30 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

7h 35m2 stops Dallas Love Field Houston Hobby

6:50 am - 2:45 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

7h 55m2 stops Houston Hobby Denver Intl

$246Southwest

Tue, Feb 16 - Tue, Feb 23

7:10 am - 3:34 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

8h 24m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

7:18 am - 4:46 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

9h 28m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$264United Airlines

Tue, Jan 12 - Sat, Jan 16

6:52 am - 2:17 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

7h 25m1 stop Dallas/Fort Worth

5:40 am - 12:33 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

6h 53m1 stop Dallas/Fort Worth

$314American Airlines

Tue, Jan 12 - Sat, Jan 16

12:25 pm - 6:11 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

5h 46m1 stop Dallas/Fort Worth

5:50 am - 11:35 amHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

5h 45m1 stop Dallas/Fort Worth

$326American Airlines

Fri, Feb 19 - Fri, Feb 26

12:25 pm - 6:11 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

5h 46m1 stop Dallas/Fort Worth

5:50 am - 11:35 amHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

5h 45m1 stop Dallas/Fort Worth

$328American Airlines

Thu, Feb 18 - Wed, Feb 24

2:23 pm - 10:48 pmMKE Milwaukee-Mitchell-HRL Harlingen Valley Intl

8h 25m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

5:05 am - 1:32 pmHRL Harlingen Valley Intl-MKE Milwaukee-Mitchell

8h 27m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$393United Airlines

Sat, Nov 21 - Tue, Nov 24

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Southwest flights from Milwaukee to Harlingen

Our best Southwest deals on Milwaukee to Harlingen flight tickets

Southwest

Feb 16

MKE9:55 amMilwaukee-Mitchell

7h 35m

2 stops

HRL5:30 pmHarlingen Valley Intl

Feb 23

HRL6:50 amHarlingen Valley Intl

7h 55m

2 stops

MKE2:45 pmMilwaukee-Mitchell

$246

Southwest

Feb 19

MKE10:25 amMilwaukee-Mitchell

7h 10m

1 stop

HRL5:35 pmHarlingen Valley Intl

Feb 26

HRL11:05 amHarlingen Valley Intl

7h 20m

1 stop

MKE6:25 pmMilwaukee-Mitchell

$299

Southwest

Feb 19

MKE10:25 amMilwaukee-Mitchell

7h 10m

1 stop

HRL5:35 pmHarlingen Valley Intl

Feb 26

HRL5:50 amHarlingen Valley Intl

10h 30m

2 stops

MKE4:20 pmMilwaukee-Mitchell

$304

American Airlines flights from Milwaukee to Harlingen

Our best American Airlines deals on Milwaukee to Harlingen flight tickets

American Airlines

Jan 12

MKE6:52 amMilwaukee-Mitchell

7h 25m

1 stop

HRL2:17 pmHarlingen Valley Intl

Jan 16

HRL5:40 amHarlingen Valley Intl

6h 53m

1 stop

MKE12:33 pmMilwaukee-Mitchell

$314

American Airlines

Feb 19

MKE12:25 pmMilwaukee-Mitchell

5h 46m

1 stop

HRL6:11 pmHarlingen Valley Intl

Feb 26

HRL5:50 amHarlingen Valley Intl

5h 45m

1 stop

MKE11:35 amMilwaukee-Mitchell

$326

American Airlines

Feb 18

MKE12:25 pmMilwaukee-Mitchell

5h 46m

1 stop

HRL6:11 pmHarlingen Valley Intl

Feb 24

HRL5:50 amHarlingen Valley Intl

5h 45m

1 stop

MKE11:35 amMilwaukee-Mitchell

$328

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 1/12

8:00 am-3:34 pm

1 stop7h 34m

Harlingen Valley Intl

Sat 1/16

5:05 am-3:06 pm

2 stops10h 01m

$228

Quickest round-trip

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 2/16

4:00 pm-9:44 pm

1 stop5h 44m

Harlingen Valley Intl

Tue 2/23

5:16 pm-10:46 pm

1 stop5h 30m

$239

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 2/16

9:55 am-6:30 pm

1 stop8h 35m

Harlingen Valley Intl

Tue 2/23

12:00 pm-8:15 pm

1 stop8h 15m

$246

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 2/16

9:05 am-9:05 pm

1 stop12h 00m

Harlingen Valley Intl

Tue 2/23

6:50 am-2:45 pm

2 stops7h 55m

$246

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 2/16

9:55 am-5:30 pm

2 stops7h 35m

Harlingen Valley Intl

Tue 2/23

6:50 am-2:45 pm

2 stops7h 55m

$246

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 1/12

7:10 am-3:34 pm

2 stops8h 24m

Harlingen Valley Intl

Sat 1/16

7:18 am-4:46 pm

2 stops9h 28m

$264

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Tue 1/12

6:52 am-2:17 pm

1 stop7h 25m

Harlingen Valley Intl

Sat 1/16

5:40 am-12:33 pm

1 stop6h 53m

$314

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Fri 2/19

12:25 pm-6:11 pm

1 stop5h 46m

Harlingen Valley Intl

Fri 2/26

5:50 am-11:35 am

1 stop5h 45m

$326

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Thu 2/18

12:25 pm-6:11 pm

1 stop5h 46m

Harlingen Valley Intl

Wed 2/24

5:50 am-11:35 am

1 stop5h 45m

$328

MilwaukeeHarlingen

MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl

MKEHRL

Milwaukee-Mitchell

Sat 11/21

2:23 pm-10:48 pm

2 stops8h 25m

Harlingen Valley Intl

Tue 11/24

5:05 am-1:32 pm

2 stops8h 27m

$393

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Milwaukee to Harlingen

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

Prices

Airlines

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of August, then book flights to Harlingen from Milwaukee during January instead. Flights to Harlingen in January, while not as cheap as those in August, still average around $261.

Can stopping save me money on Milwaukee to Harlingen flights?

You could potentially save up to 22% on your flight if you consider stops on a Milwaukee to Harlingen flight.

When to book flights from Milwaukee to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Milwaukee to Harlingen according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Milwaukee to Harlingen (MKE to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Milwaukee to Harlingen

Best Price Found	$206
Fastest flight time	5h 44m
Direct flights	None

The best one-way flight to Harlingen from Milwaukee in the past 72 hours is $206. The best round-trip flight deal from Milwaukee to Harlingen found on momondo in the last 72 hours is $228.

The fastest flight from Milwaukee to Harlingen takes 5h 44m

There are no direct flights from Milwaukee to Harlingen. There are no popular flight routes from Milwaukee to Harlingen.

Search flight deals

Frequently asked questions about flying from Milwaukee to Harlingen

How far is Milwaukee-Mitchell to Harlingen Valley Intl by plane?
There are 1287.2 mi between Milwaukee-Mitchell and Harlingen Valley Intl. Typically, this will take 5h 44m by plane in normal conditions.
When did momondo last update prices for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport?
Prices for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport were last updated today.
How many operators does momondo search for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport?
As of September 2026, there are 2 operators available to choose from for flights from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport.
How old do you have to be to fly from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Milwaukee-Mitchell Airport to Harlingen Valley Intl Airport.
What documentation or ID do you need to fly to Harlingen Valley Intl Airport?
The travel and health documents required for your trip to Harlingen Valley Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Harlingen Valley Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Milwaukee to Harlingen?
momondo data reveals that the most frequently booked airline on the route from Milwaukee to Harlingen is American Airlines, representing 76% of all bookings. The subsequent popular airline is Southwest at 24%.

Best airlines flying from Milwaukee to Harlingen

Compare and see reviews for airlines that fly from Milwaukee to Harlingen with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $240	Free Cancellation	Rating 7.1 12,062 reviews		Search American Airlines flights
Southwest	PriceFrom $256	Free Cancellation	Rating 8.0 4,189 reviews		Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Milwaukee to Harlingen?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Harlingen from Milwaukee.

Can I find flights from Milwaukee to Harlingen with flexible booking policies on momondo?

Yes. All flights to Harlingen from Milwaukee on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Milwaukee to Harlingen?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Milwaukee to Harlingen.

I’m not ready to book a flight from Milwaukee to Harlingen right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Harlingen, momondo offers a useful price alert feature which will track prices for flights to Harlingen from Milwaukee and alert you when they change.

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Cheap flights from Milwaukee to Harlingen from $206

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Milwaukee to Harlingen departing on 9/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Milwaukee to Harlingen

Our best Southwest deals on Milwaukee to Harlingen flight tickets

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Our best American Airlines deals on Milwaukee to Harlingen flight tickets

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How to get the cheapest flight ticket from Milwaukee to Harlingen

What is the cheapest month to fly to Harlingen?

Can stopping save me money on Milwaukee to Harlingen flights?

What is the cheapest airline that flies from Milwaukee-Mitchell to Harlingen Valley Intl?

What airlines fly to Harlingen?

When to book flights from Milwaukee to Harlingen

Cheap Milwaukee to Harlingen (MKE to HRL) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Milwaukee to Harlingen

Best airlines flying from Milwaukee to Harlingen

Compare and see reviews for airlines that fly from Milwaukee to Harlingen with momondo

Why use momondo?

An easier way to manage your Harlingen 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

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List of cabin classes available on flights landing in Harlingen. Availability may vary depending on flight origin and airline.

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