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Harlingen

$135+ Cheap flights from Milwaukee to Harlingen, TX (MKE - HRL)

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 4/1. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — HRL
Feb 26 — Mar 51
Thu 2/26
Thu 3/5
1 adult, Economy
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Cheap flight deals from Milwaukee to Harlingen

Cheapest flights from Milwaukee to Harlingen
Explore the most affordable flight options available from Milwaukee to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 27, 2026.

This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:15 pm
MKE
-
HRL
1 stop5h 15m
Southwest
Tue 3/312:10 pm
HRL
-
MKE
2 stops9h 00m
Southwest
Deal found 1/26$256
This Southwest deal was found by Cheapflights users on 1/25. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/193:10 pm
MKE
-
HRL
1 stop6h 25m
Southwest
Mon 2/236:35 am
HRL
-
MKE
1 stop4h 35m
Southwest
Deal found 1/25$269
This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:15 pm
MKE
-
HRL
1 stop9h 55m
Southwest
Tue 3/312:10 pm
HRL
-
MKE
2 stops9h 00m
Southwest
Deal found 1/26$271
This United Airlines deal was found by Cheapflights users on 1/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/113:52 pm
MKE
-
HRL
1 stop6h 07m
United Airlines
Sat 4/1812:05 pm
HRL
-
MKE
2 stops9h 44m
United Airlines
Deal found 1/26$274
This American Airlines deal was found by Cheapflights users on 1/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:20 am
MKE
-
HRL
1 stop7h 54m
American Airlines
Tue 4/76:00 am
HRL
-
MKE
1 stop5h 00m
American Airlines
Deal found 1/27$275
This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/193:10 pm
MKE
-
HRL
1 stop6h 25m
Southwest
Thu 2/267:00 am
HRL
-
MKE
1 stop7h 00m
Southwest
Deal found 1/26$293
This Southwest deal was found by Cheapflights users on 1/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2712:15 pm
MKE
-
HRL
1 stop9h 55m
Southwest
Tue 3/312:10 pm
HRL
-
MKE
2 stops9h 00m
Southwest
Deal found 1/26$295

Find flight deals from Milwaukee to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from Milwaukee (MKE) to Harlingen (HRL). 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 January 27, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$256
(Southwest)

One-way from

$135
(United Airlines)

Popular in

June

Cheapest in

January

Average price

$268
Provider with most accurate pricing for Milwaukee-Mitchell-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Milwaukee-Mitchell-Harlingen Valley Intl flights.
Search Deals
From Milwaukee-Mitchell to Harlingen Valley Intl
Search Deals
One-way flight from Milwaukee-Mitchell to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($22 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Milwaukee to Harlingen 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 January 27, 2026.
Use the filters below to find and compare flights from Milwaukee to Harlingen that are best for you.

Fly from

Milwaukee

Fly to

Harlingen

Route

Depart

Return

Price

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Sat 2/28

3:11 pm-11:03 pm

1 stop7h 52m

Harlingen Valley Intl

Tue 3/3

6:46 pm-11:38 pm

1 stop4h 52m

$256

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Thu 2/19

3:10 pm-9:35 pm

1 stop6h 25m

Harlingen Valley Intl

Mon 2/23

6:35 am-11:10 am

1 stop4h 35m

$269

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Thu 2/26

12:15 pm-10:10 pm

1 stop9h 55m

Harlingen Valley Intl

Tue 3/3

12:10 pm-9:10 pm

2 stops9h 00m

$271

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Sat 4/18

12:10 pm-7:40 pm

1 stop7h 30m

Harlingen Valley Intl

Sat 4/25

12:05 pm-9:49 pm

2 stops9h 44m

$274

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Sat 4/11

3:52 pm-9:59 pm

1 stop6h 07m

Harlingen Valley Intl

Sat 4/18

12:05 pm-9:49 pm

2 stops9h 44m

$274

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Thu 2/19

3:10 pm-9:35 pm

1 stop6h 25m

Harlingen Valley Intl

Thu 2/26

7:00 am-2:00 pm

1 stop7h 00m

$293

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Fri 2/27

12:15 pm-10:10 pm

1 stop9h 55m

Harlingen Valley Intl

Tue 3/3

12:10 pm-9:10 pm

2 stops9h 00m

$295

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Sat 2/28

11:49 am-6:16 pm

1 stop6h 27m

Harlingen Valley Intl

Mon 3/2

6:46 pm-11:38 pm

1 stop4h 52m

$304

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Wed 4/1

3:52 pm-9:59 pm

1 stop6h 07m

$135

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Sat 2/21

3:11 pm-11:03 pm

1 stop7h 52m

$140

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 14 results
1
2

Compare providers for flights from Milwaukee to Harlingen

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 Milwaukee to Harlingen in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Milwaukee-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Milwaukee-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Milwaukee-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Milwaukee-Harlingen, Texas 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 Milwaukee-Harlingen, Texas 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 Milwaukee to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Milwaukee with our price prediction graph.
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 Milwaukee to Harlingen

What is the cheapest month to book a flight from Milwaukee to Harlingen, Texas?

Currently, November is the cheapest month in which you can book a flight from Milwaukee to Harlingen, Texas (average of $185). Flying from Milwaukee to Harlingen, Texas in December is currently the most expensive (average of $268). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Milwaukee to Harlingen, Texas?

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. 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 Harlingen. Reviews last updated January 27, 2026.
Peruse reviews from past customers who have flown with Southwest and American Airlines from Milwaukee to Harlingen 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.
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,268 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
American Airlines
7.2
Good
11,197 reviews
Southwest
8.0
Very good
4,268 reviews

Comfort

8.0

Boarding

8.1

Crew

8.6

Overall

8.0

Food

7.0

Entertainment

7.5

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Milwaukee to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Milwaukee to Harlingen, Texas?

    Airlines like American Airlines, Southwest, and United Airlines fly from Milwaukee to Harlingen, Texas in about 6h 25m. The time it takes to get you to your destination can typically vary by up to 1h 27m. Milwaukee and Harlingen, Texas are separated by a distance of 1278 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Milwaukee to Harlingen, Texas round-trip?

    American Airlines, at $248, was found to be the cheapest airline from Milwaukee to Harlingen, Texas. An alternate airline flying to your destination would be Southwest. These flights start at 34% lower than the current average price 3 months from now.

  • Can I find deals for flights from Milwaukee to Harlingen that include hotel bookings?

    Yes. In addition to deals on Milwaukee to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Milwaukee to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Milwaukee to Harlingen.

  • Can I find deals for business class flights from Milwaukee to Harlingen?

    Yes. Cheapflights offers flight deals from Milwaukee to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Milwaukee to Harlingen, Texas?

    Currently, November is the cheapest month in which you can book a flight from Milwaukee to Harlingen, Texas (average of $185). Flying from Milwaukee to Harlingen, Texas in December is currently the most expensive (average of $268). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Milwaukee to Harlingen

Discover the top 2 airlines that operate flights from Milwaukee to Harlingen. 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 January 27, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$351FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$472FlexibilityNo cancel feeOn-time63%

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