$203+ Cheap flights from Milwaukee to Harlingen (MKE - HRL)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — HRL
Oct 7 — Oct 141
Round-trip
1 adult, Economy
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Find cheap flights from Milwaukee to Harlingen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Milwaukee to Harlingen
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Best
Last-minute
One-way
Cheapest flights from Milwaukee to HarlingenExplore 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 September 7, 2026.
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 September 7, 2026.
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/65:47 pm -
1 stop5h 03m
Tue 10/135:50 am -
1 stop5h 41m
Deal found 9/6![American Airlines logo]()
$310
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/177:14 am -
1 stop7h 02m
Sat 10/245:50 am -
1 stop5h 41m
Deal found 9/6![American Airlines logo]()
$313
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/85:47 pm -
1 stop5h 03m
Tue 10/135:50 am -
1 stop5h 41m
Deal found 9/6![American Airlines logo]()
$338
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/75:00 am -
2 stops10h 59m
Sun 10/115:05 am -
1 stop5h 00m
Deal found 9/6![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/176:15 am -
2 stops9h 44m
Sat 10/242:00 pm -
2 stops8h 59m
Deal found 9/6![United Airlines logo]()
$352
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/75:47 pm -
1 stop5h 03m
Mon 10/122:46 pm -
1 stop7h 06m
Deal found 9/6![American Airlines logo]()
$378
This Southwest deal was found by Cheapflights users on 9/6. 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.
Tue 10/62:20 pm -
2 stops7h 40m
Tue 10/131:00 pm -
2 stops8h 35m
Deal found 9/6![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/912:22 pm -
1 stop4h 36m
Sat 9/193:35 pm -
1 stop6h 13m
Deal found 9/3![American Airlines logo]()
$394
This Southwest deal was found by Cheapflights users on 9/6. 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.
Tue 12/227:25 am -
2 stops9h 45m
Tue 12/293:40 pm -
2 stops8h 40m
Deal found 9/6![Southwest logo]()
$415
Best flights from Milwaukee to HarlingenDiscover carefully curated flight deals from Milwaukee to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
Discover carefully curated flight deals from Milwaukee to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/78:00 am -
1 stop7h 59m
Sun 10/115:05 am -
1 stop5h 00m
Deal found 9/6![United Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 9/5. 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.
Wed 2/176:00 am -
2 stops10h 00m
Wed 2/2412:00 pm -
2 stops10h 10m
Deal found 9/5![Southwest logo]()
$358
This American Airlines deal was found by Cheapflights users on 9/2. 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.
Sat 2/207:05 am -
1 stop7h 14m
Sat 2/2710:43 am -
1 stop6h 35m
Deal found 9/2![American Airlines logo]()
$408
This Southwest deal was found by Cheapflights users on 9/2. 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 2/203:15 pm -
2 stops7h 25m
Sat 2/271:15 pm -
1 stop7h 30m
Deal found 9/2![Southwest logo]()
$394
This Southwest deal was found by Cheapflights users on 9/5. 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 2/1912:20 pm -
2 stops10h 40m
Fri 2/266:40 am -
2 stops9h 40m
Deal found 9/5![Southwest logo]()
$401
This Southwest deal was found by Cheapflights users on 9/6. 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.
Tue 12/227:25 am -
2 stops9h 45m
Tue 12/293:40 pm -
2 stops8h 40m
Deal found 9/6![Southwest logo]()
$415
This Southwest deal was found by Cheapflights users on 9/6. 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.
Wed 10/77:30 am -
2 stops8h 30m
Mon 10/1212:55 pm -
2 stops9h 20m
Deal found 9/6![Southwest logo]()
$434
This Southwest deal was found by Cheapflights users on 9/4. 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 9/255:20 am -
1 stop5h 00m
Mon 9/2811:55 am -
1 stop9h 10m
Deal found 9/4![Southwest logo]()
$474
Last-minute flights from Milwaukee to HarlingenDiscover last-minute flight deals from Milwaukee to Harlingen. Data last updated September 7, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Harlingen. Data last updated September 7, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Sat 9/512:28 pm -
1 stop5h 45m
Sat 9/1210:45 am -
1 stop6h 08m
Deal found 9/3![American Airlines logo]()
$445
This American Airlines deal was found by Cheapflights users on 9/3. 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.
Sun 9/612:28 pm -
1 stop7h 05m
Sat 9/125:51 am -
1 stop5h 36m
Deal found 9/3![American Airlines logo]()
$440
This American Airlines deal was found by Cheapflights users on 9/3. 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 9/912:22 pm -
1 stop4h 36m
Sat 9/193:35 pm -
1 stop6h 13m
Deal found 9/3![American Airlines logo]()
$394
This United Airlines deal was found by Cheapflights users on 9/1. 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.
Fri 9/1112:05 pm -
2 stops9h 47m
Tue 9/155:18 pm -
1 stop5h 21m
Deal found 9/1![United Airlines logo]()
$443
This American Airlines deal was found by Cheapflights users on 9/6. 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 10/65:47 pm -
1 stop5h 03m
Tue 10/135:50 am -
1 stop5h 41m
Deal found 9/6![American Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 9/6. 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.
Tue 10/62:20 pm -
2 stops7h 40m
Tue 10/131:00 pm -
2 stops8h 35m
Deal found 9/6![Southwest logo]()
$391
This American Airlines deal was found by Cheapflights users on 9/6. 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.
Sat 10/177:14 am -
1 stop7h 02m
Sat 10/245:50 am -
1 stop5h 41m
Deal found 9/6![American Airlines logo]()
$313
This United Airlines deal was found by Cheapflights users on 9/6. 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 10/176:15 am -
2 stops9h 44m
Sat 10/242:00 pm -
2 stops8h 59m
Deal found 9/6![United Airlines logo]()
$352
One-way flights from Milwaukee to HarlingenSearch for one-way flight options from Milwaukee to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
Search for one-way flight options from Milwaukee to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 7, 2026.
This United Airlines deal was found by Cheapflights users on 9/2. 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 2/206:10 am -
2 stops13h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![United Airlines logo]()
$203
This United Airlines deal was found by Cheapflights users on 9/4. 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 10/206:15 am -
2 stops9h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/4![United Airlines logo]()
$348
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 September 7, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $310 (American Airlines) |
One-way from | $203 (United Airlines) |
Popular in | June |
Cheapest in | January |
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 7,457,451 searches. Data last updated September 7, 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
Cheapest round-trip
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Sat 2/20
6:10 am-7:32 pm
2 stops13h 22m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$203
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Wed 10/7
8:00 am-3:59 pm
1 stop7h 59m
Harlingen Valley Intl
Sun 10/11
5:05 am-10:05 am
1 stop5h 00m
$342
Quickest round-trip
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Tue 10/20
6:15 am-3:59 pm
2 stops9h 44m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$348
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Wed 2/17
6:00 am-4:00 pm
2 stops10h 00m
Harlingen Valley Intl
Wed 2/24
12:00 pm-10:10 pm
2 stops10h 10m
$358
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Sat 2/20
3:15 pm-10:40 pm
2 stops7h 25m
Harlingen Valley Intl
Sat 2/27
1:15 pm-8:45 pm
1 stop7h 30m
$394
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Fri 2/19
12:20 pm-11:00 pm
2 stops10h 40m
Harlingen Valley Intl
Fri 2/26
6:40 am-4:20 pm
2 stops9h 40m
$401
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Sat 2/20
7:05 am-2:19 pm
1 stop7h 14m
Harlingen Valley Intl
Sat 2/27
10:43 am-5:18 pm
1 stop6h 35m
$408
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Tue 12/22
7:25 am-5:10 pm
2 stops9h 45m
Harlingen Valley Intl
Tue 12/29
3:40 pm-12:20 am
2 stops8h 40m
$415
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Wed 10/7
7:30 am-4:00 pm
2 stops8h 30m
Harlingen Valley Intl
Mon 10/12
12:55 pm-10:15 pm
2 stops9h 20m
$434
MilwaukeeHarlingen
MKE Milwaukee-Mitchell - HRL Harlingen Valley Intl
MKEHRL
Milwaukee-Mitchell
Fri 9/25
5:20 am-10:20 am
1 stop5h 00m
Harlingen Valley Intl
Mon 9/28
11:55 am-9:05 pm
1 stop9h 10m
$474
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
MKE-HRL
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.
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 September 7, 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.
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Crew
8.6
Overall
8.0
Boarding
8.1
Comfort
8.0
Entertainment
7.5
Food
7.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
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.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Milwaukee to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Milwaukee and Harlingen flights
Browse other Milwaukee and Harlingen flight options. Last updated on September 7, 2026.
Other flights from Milwaukee
Browse through other flights departing from Milwaukee. Flights are based on user searches made on Cheapflights and were last updated on September 7, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 7, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$328 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$478 | FlexibilityNo cancel fee | On-time63% |