MKE - HRL

$120 Find Cheap Flights from Milwaukee to Harlingen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Milwaukee to Harlingen departing on 12/31. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Harlingen, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Milwaukee to Harlingen, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Milwaukee to Harlingen (MKE-HRL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Milwaukee to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Milwaukee to Harlingen

Fri, Aug 22 - Mon, Aug 25
Southwest Logo
5:00 pm - 9:30 pmMKE-HRL
4h 30m1 stop
Southwest Logo
6:40 am - 11:35 amHRL-MKE
4h 55m1 stop
$248Southwest
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Fri, Aug 22 - Mon, Aug 25
Southwest Logo
3:15 pm - 10:15 pmMKE-HRL
7h 00m2 stops
Southwest Logo
6:40 am - 11:35 amHRL-MKE
4h 55m1 stop
$288Southwest
Find Deal
Fri, Jan 2 - Fri, Jan 9
United Airlines Logo
6:30 am - 7:36 pmMKE-HRL
13h 06m2 stops
United Airlines Logo
12:00 pm - 10:09 pmHRL-MKE
10h 09m2 stops
$319United Airlines
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Fri, Jan 2 - Fri, Jan 9
American Airlines Logo
11:03 am - 6:22 pmMKE-HRL
7h 19m1 stop
American Airlines Logo
5:48 am - 10:32 amHRL-MKE
4h 44m1 stop
$328American Airlines
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Fri, Aug 22 - Mon, Aug 25
Southwest Logo
3:15 pm - 10:15 pmMKE-HRL
7h 00m2 stops
Southwest Logo
1:40 pm - 9:00 pmHRL-MKE
7h 20m2 stops
$343Southwest
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Fri, Jan 2 - Fri, Jan 9
American Airlines Logo
11:03 am - 6:22 pmMKE-HRL
7h 19m1 stop
American Airlines Logo
5:48 am - 10:32 amHRL-MKE
4h 44m1 stop
$359American Airlines
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Fri, Jan 2 - Fri, Jan 9
Southwest Logo
6:00 am - 3:05 pmMKE-HRL
9h 05m2 stops
Southwest Logo
12:15 pm - 9:10 pmHRL-MKE
8h 55m2 stops
$374Southwest
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Fri, Jan 2 - Fri, Jan 9
Southwest Logo
6:00 am - 5:00 pmMKE-HRL
11h 00m1 stop
Southwest Logo
12:15 pm - 9:10 pmHRL-MKE
8h 55m2 stops
$375Southwest
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Fri, Jan 2 - Fri, Jan 9
United Airlines Logo
3:50 pm - 9:59 pmMKE-HRL
6h 09m1 stop
United Airlines Logo
5:15 am - 1:43 pmHRL-MKE
8h 28m2 stops
$379United Airlines
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Thu, Nov 27 - Sun, Nov 30
Delta Logo
6:45 am - 2:26 pmMKE-HRL
7h 41m1 stop
Delta Logo
3:00 pm - 9:27 pmHRL-MKE
6h 27m1 stop
$988Delta
Find Deal
Booking Insights

KAYAK's insights & trends for Milwaukee to Harlingen flights

Get data-powered insights and trends into flights from Milwaukee to Harlingen to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Milwaukee to Harlingen?

The average price of all round-trip flights from Milwaukee to Harlingen clicked on KAYAK for each day over the last 12 months.

Your flight ticket price will generally be cheaper if you fly to Harlingen on a Monday and more expensive on a Sunday. On your return trip to Milwaukee, you should consider flying back on a Friday, and avoid Thursdays for better deals.

Good to know

Low seasonJuly
Cheapest flight$120
Best time to beat the crowds with an average 21% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from Milwaukee to Harlingen

When to book flights from Milwaukee to Harlingen

Are your dates flexible? Find out the best times to travel from Milwaukee to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Milwaukee to Harlingen

  • What is the cheapest flight from Milwaukee to Harlingen?

    In the last 3 days, the lowest price for a flight from Milwaukee to Harlingen was $120 for a one-way ticket and $248 for a round-trip.

  • Do I need a passport to fly between Milwaukee and Harlingen?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which airports will I be using when flying from Milwaukee to Harlingen?

    On your way to Harlingen, you’ll fly out from Milwaukee-Mitchell. You’ll be landing at Harlingen Valley Intl.

  • Which aircraft models fly most regularly from Milwaukee to Harlingen?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Milwaukee to Harlingen?

    Star Alliance, oneworld, and SkyTeam are the airline alliances operating flights between Milwaukee and Harlingen, with SkyTeam being the most commonly used for this route.

  • Which is the best airline for flights from Milwaukee to Harlingen, Delta or Southwest?

    The two airlines most popular with KAYAK users for flights from Milwaukee to Harlingen are Delta and Southwest. With an average price for the route of $427 and an overall rating of 8.0, Delta is the most popular choice. Southwest is also a great choice for the route, with an average price of $477 and an overall rating of 8.0.

  • How does KAYAK find such low prices on flights from Milwaukee to Harlingen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Milwaukee to Harlingen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Milwaukee to Harlingen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from Milwaukee is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Milwaukee to Harlingen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to Milwaukee with another airline. Booking your flights between Milwaukee and HRL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Milwaukee to Harlingen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from Milwaukee up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Milwaukee to Harlingen

 
See real verified KAYAK customer reviews for airlines flying from Milwaukee to Harlingen. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Milwaukee to Harlingen? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
SouthwestOverall score based on 4241 reviews
8.6Crew
7.0Food
8.1Boarding
8.0Comfort
7.5Entertainment
Airline reviews

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

2.0 MediocreAnonymous, Jul 2025AUS - RDU
Read more Southwest reviews

southwest just starting charging for luggage. hadnt realized it until it was too late. now out $70 when i couldve bought a carry on if i wouldve known. free bags was one of the only reasons i chose southwest over another airline (the other being no assigned seats, which is apparently also being changed). stupid business decision. wont be flying southwest anymore.

The quality of Southwest Airlines continues to degrade each time I fly with them. If it were not for the free luggage, I would probably choose another airline. Their prices are a little bit competitive, but way too high for the quality of the service. Southwest is not unique in this way. Domestic flight in the United States of America has continued to be a lower and lower quality product. Very sad when you compare the quality of domestic airlines to that of many international airlines around the world.

Very smooth checking in our luggage with a super pleasant SW agent. I enjoyed a fun entertaining movie.

WiFi did not work. For as outrageous as these flights cost, when they’re advertised with certain services/ features they should be in working order

Worst experience I had on Southwest. Still better than most, but the seating was barely tolerable.

Multiple delays and gate changes. Arrived at final destination 6 hours late. All rental cars had been taken.

The movies using Southwest WiFi kept pausing and I had to restart multiple times.

First, my flight was a usual flight nothing exceptional or unexpected. Over all it was a normal, good flight! Second, your questionaire is wholly lacking in the proper options to which one can answer a question. Often on short flights, there is no food let alone entertainment so why isn't that reflected in your questionaire? A simple "not applicable" would cover that issue appropriately but no, your form arbitrarily enters an answer based on the initial assessment which normally isn't factual. Until you provide an accurate means of assessing flights, I'll no longer be completing of these unimpressive and misleading assessements. Thank you!

Easy to book and to get check in and get on and off.

First time I’ve ever missed a flight and it was an international flight.. Southwest put me on the next flight and it was the best experience possible.

Delayed and took off even later than the scheduled delay time

For a 69 year old with health problems I had the worse experience, no wheelchair when I entered a lady told me to sit and wait while a gentleman told me I had to walk to the Delta station, which I did. I had a carry on and a bag, and I was traveling with my service dog, which was on his carrier and the lady charged me for my carry on luggage, beside all the waiting cause of the delay, I had to walk to get my luggage cause no wheelchair showed up, I am so disappointed. I will get in touch with the company. I got home at 3:00 am, not good for my health situation.

Great experience on Delta. Staff from baggage check to flight attendants were very courteous and professional. My only issue was a personal preference for pretzels instead of the chips and cookies that were offered.

There was no problems, just a little uncomfortable with seats that do not lay back a little

Always good but we must do something about people in rows ahead of you that don't put their seats back up when they are suppose to. And It's rough to not be able to even lean over to get something out of my purse.

Flight was delayed, 30+ bags had to be gate checked. Crew were very friendly!

Everything was good until we were boarding our connection flight in Atlanta, we were told to gate check our carry-on, but when we got inside the plane, there was plenty of room in the overhead.

Did not know my son and I had different seating arrangements. He was fine, but it was disappointing.

Flight was canceled, and no effort was made to help with rebooking, no hotel vouchers, no car transportation and minimal food voucher and most places for food were closed by the time the voucher was given. Waited for 3 hours for bags. Simply the worst travel experience I have ever had

Food was surprisingly good but the WiFi was not great

Our flight was 1.5 hours delayed. There was no weather for the inbound flight, so I don't understand why. This meant a VERY late arrival and only a quick nap before my morning flight.

It was very difficult to stretch my knee out and I am very short. I also had a torn tendon in my knee which made it extra uncomfortable anyways. My husband is 6'2" and I can't imagine him flying in that plane.

Delayed flight, so I switched fights to SFO to Phoenix , Phoenix to DSM. Excellent service through American Airlines

The AA app really sucks ... Every flight & connecting flights were delayed over 30 mins. One connecting flight on American Eagle said it was delayed in its arrival ... when it was actually parked across from the gate for over 1 hr before they pulled it to the gate. Seats in the economy/ main cabin are packed together like sardines ... no leg room.

The flight delay in Dallas created a domino effect that impacted all connecting flights, leading to an increase in the number of connections. As a result, I missed my flight from Casablanca to Marrakech due to the tight turnaround when landing in Casablanca. CMN Airport was understaffed; only one employee was available to assist passengers while others just stood by and watched. It was an extremely frustrating situation. Many passengers were crying and banging their hands on the counter while talking to customer service representative Allabough. Unfortunately, Allabough couldn’t change my flight in the system. At the same time, I was on the phone with an American Airlines customer service representative named Solomon, who said he couldn’t make the change either. So, I decided to take an ONYA Voyages train from Casablanca to Marrakech to reach my destination on Friday, June 26. It turned out to be an unpredictable trip.

Pretty bad gate mgmt upon arrival. No open gates and we had to wait at midnight. Shouldn’t be a surprise that an aircraft is coming in.

Comfortable plane ride however on delays disappointment no real details as to why the delays when other flights are leaving the airport

The chair cushions may need an upgrade. I have been noticing they are so worn out, thin so you’d sit in a dip 😄. Other than that, all was an enjoyable trip. Thanks AA!

I’m impressed that we were on time in Sacramento after having a late departure in Newark and our made it. The staff was friendly and warm.

5.5 hour delay with no explanation on why, along with no proactive effort to reaccomodate me.

Everything you need to know for your flight from Milwaukee to Harlingen

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