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Harlingen

$134+ Cheap flights from Milwaukee to Harlingen (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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — HRL
May 29 — Jun 51
Fri 5/29
Fri 6/5
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 April 29, 2026.

This United Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 10/205:10 am
MKE
-
HRL
2 stops10h 48m
United Airlines
Tue 10/275:16 pm
HRL
-
MKE
1 stop5h 30m
United Airlines
Deal found 4/26$272
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Wed 6/310:46 am
MKE
-
HRL
1 stop5h 13m
United Airlines
Tue 8/45:10 am
HRL
-
MKE
1 stop4h 55m
United Airlines
Deal found 4/26$276
This American Airlines deal was found by Cheapflights users on 4/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:50 pm
MKE
-
HRL
1 stop5h 06m
American Airlines
Tue 10/2710:45 am
HRL
-
MKE
1 stop6h 15m
American Airlines
Deal found 4/26$350
This United Airlines deal was found by Cheapflights users on 4/26. 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.
Tue 10/138:00 am
MKE
-
HRL
1 stop7h 58m
United Airlines
Tue 10/205:18 pm
HRL
-
MKE
1 stop5h 23m
United Airlines
Deal found 4/26$351
This United Airlines deal was found by Cheapflights users on 4/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2910:30 am
MKE
-
HRL
1 stop5h 04m
United Airlines
Tue 9/15:16 pm
HRL
-
MKE
1 stop6h 03m
United Airlines
Deal found 4/27$357
This American Airlines deal was found by Cheapflights users on 4/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/128:11 am
MKE
-
HRL
2 stops10h 04m
American Airlines
Sat 5/162:51 pm
HRL
-
MKE
1 stop7h 36m
American Airlines
Deal found 4/25$359
This United Airlines deal was found by Cheapflights users on 4/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/122:20 pm
MKE
-
HRL
1 stop7h 39m
United Airlines
Sat 5/165:18 pm
HRL
-
MKE
1 stop5h 41m
United Airlines
Deal found 4/25$360

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 April 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$272
(United Airlines)

One-way from

$134
(American Airlines)

Popular in

March

Cheapest in

January

Average price

$301
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. 0% potential increase in price ($1 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 29, 2026.
Use the filters below to find and compare flights from Milwaukee to Harlingen that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Wed 6/3

5:00 am-1:30 pm

2 stops8h 30m

Harlingen Valley Intl

Tue 8/4

5:10 am-10:05 am

1 stop4h 55m

$348
Quickest round-trip

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Sat 8/29

10:30 am-3:34 pm

1 stop5h 04m

Harlingen Valley Intl

Tue 9/1

5:16 pm-11:19 pm

1 stop6h 03m

$357

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Tue 10/20

10:41 am-3:58 pm

1 stop5h 17m

Harlingen Valley Intl

Tue 10/27

12:10 pm-11:27 pm

2 stops11h 17m

$362

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Tue 9/1

12:10 pm-9:44 pm

2 stops9h 34m

Harlingen Valley Intl

Wed 9/2

5:15 am-3:04 pm

2 stops9h 49m

$437
Cheapest one-way
Quickest one-way

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Wed 6/3

6:21 pm-12:14 am

1 stop5h 53m

$134

MilwaukeeHarlingen

MKE - HRL

MKEHRL

Milwaukee-Mitchell

Wed 6/3

10:38 am-9:54 pm

3 stops11h 16m

$517

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/26

Sorted by cheapest first

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

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

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 April 29, 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
4,314 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
Southwest
8.0
Very good
4,314 reviews
Southwest
8.0
Very good
4,314 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.
American Airlines
7.1
Good
11,678 reviews
Southwest
8.0
Very good
4,314 reviews

Boarding

8.1

Crew

8.6

Comfort

8.0

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Dominic,Mar 2026

MCO - SMF

I had to try and sleep on the floor of the Austin airport. I spent 12 hours there. The airline policies were so poor, that a near violent argument broke out between the people in front of me and the flight attendants - making for a super stressful situation at 30,000 feet. Garbage airline choice by Kayak Garbage idea to book a flight with a layover. Next time I will pay for a quality booking myself, and somehow force the company to reimburse it.

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?

    For as low as $348, United Airlines can have you in Harlingen from Milwaukee in 8h 30m. Airlines will cover a distance of 1278 mi.

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

    American Airlines, at $248, was found to be the cheapest airline from Milwaukee to Harlingen. An alternate airline flying to your destination would be Southwest. You may be able to fly from Milwaukee to Harlingen for 35% less than the average price by searching for these airlines.

  • 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.

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 April 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$248Average$338FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$256Average$478FlexibilityNo cancel feeOn-time63%

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