$181+ 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 6/28. Fares are subject to change and may not be available on all flights or dates of travel.
MKE — HRL
Jul 13 — Jul 201
Round-trip
1 adult, Economy
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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
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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 June 13, 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 June 13, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/268:00 am
MKE
- HRL
1 stop7h 59m
United Airlines
Tue 9/295:05 am
HRL
- MKE
2 stops10h 06m
United Airlines
Deal found 6/11![United Airlines logo]()
$411
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/246:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Sun 6/286:00 am
HRL
- MKE
1 stop5h 15m
American Airlines
Deal found 6/9![American Airlines logo]()
$418
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 6/226:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Tue 6/304:57 pm
HRL
- MKE
1 stop6h 37m
American Airlines
Deal found 6/10![American Airlines logo]()
$460
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/138:00 am
MKE
- HRL
1 stop7h 59m
United Airlines
Tue 6/165:10 am
HRL
- MKE
2 stops7h 45m
United Airlines
Deal found 6/8![United Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 6/9. 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 6/2411:30 am
MKE
- HRL
2 stops9h 20m
Southwest
Sun 6/286:30 am
HRL
- MKE
2 stops10h 00m
Southwest
Deal found 6/9![Southwest logo]()
$488
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 June 13, 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 June 13, 2026.
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/246:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Sun 6/286:00 am
HRL
- MKE
1 stop5h 15m
American Airlines
Deal found 6/9![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 6/9. 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 6/2411:30 am
MKE
- HRL
2 stops9h 20m
Southwest
Sun 6/286:30 am
HRL
- MKE
2 stops10h 00m
Southwest
Deal found 6/9![Southwest logo]()
$488
This United Airlines deal was found by Cheapflights users on 6/13. 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.
Sun 6/2810:46 am
MKE
- HRL
1 stop5h 13m
United Airlines
Thu 7/25:10 am
HRL
- MKE
1 stop4h 55m
United Airlines
Deal found 6/13![United Airlines logo]()
$741
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 6/226:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Tue 6/304:57 pm
HRL
- MKE
1 stop6h 37m
American Airlines
Deal found 6/10![American Airlines logo]()
$460
This Southwest deal was found by Cheapflights users on 6/11. 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 6/274:40 pm
MKE
- HRL
2 stops6h 00m
Southwest
Mon 7/61:15 pm
HRL
- MKE
2 stops9h 45m
Southwest
Deal found 6/11![Southwest logo]()
$530
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 7/65:15 pm
MKE
- HRL
2 stops6h 30m
Southwest
Mon 7/131:15 pm
HRL
- MKE
2 stops9h 45m
Southwest
Deal found 6/11![Southwest logo]()
$562
This Southwest deal was found by Cheapflights users on 6/10. 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.
Mon 6/225:15 pm
MKE
- HRL
2 stops6h 25m
Southwest
Tue 6/302:10 pm
HRL
- MKE
2 stops9h 00m
Southwest
Deal found 6/10![Southwest logo]()
$693
Last-minute flights from Milwaukee to HarlingenDiscover last-minute flight deals from Milwaukee to Harlingen. Data last updated June 13, 2026 and is based on user searches.
Discover last-minute flight deals from Milwaukee to Harlingen. Data last updated June 13, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/8. 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 6/138:00 am
MKE
- HRL
1 stop7h 59m
United Airlines
Tue 6/165:10 am
HRL
- MKE
2 stops7h 45m
United Airlines
Deal found 6/8![United Airlines logo]()
$476
This Southwest deal was found by Cheapflights users on 6/9. 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 6/134:40 pm
MKE
- HRL
2 stops6h 00m
Southwest
Wed 6/177:05 am
HRL
- MKE
1 stop8h 35m
Southwest
Deal found 6/9![Southwest logo]()
$511
This Southwest deal was found by Cheapflights users on 6/8. 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 6/1310:00 am
MKE
- HRL
1 stop6h 30m
Southwest
Tue 6/1610:50 am
HRL
- MKE
1 stop7h 25m
Southwest
Deal found 6/8![Southwest logo]()
$551
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Mon 6/226:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Tue 6/304:57 pm
HRL
- MKE
1 stop6h 37m
American Airlines
Deal found 6/10![American Airlines logo]()
$460
This American Airlines deal was found by Cheapflights users on 6/9. 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 6/246:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Sun 6/286:00 am
HRL
- MKE
1 stop5h 15m
American Airlines
Deal found 6/9![American Airlines logo]()
$418
This Southwest deal was found by Cheapflights users on 6/9. 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 6/2411:30 am
MKE
- HRL
2 stops9h 20m
Southwest
Sun 6/286:30 am
HRL
- MKE
2 stops10h 00m
Southwest
Deal found 6/9![Southwest logo]()
$488
This Southwest deal was found by Cheapflights users on 6/11. 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 6/2710:00 am
MKE
- HRL
1 stop6h 30m
Southwest
Mon 7/61:15 pm
HRL
- MKE
2 stops9h 35m
Southwest
Deal found 6/11![Southwest logo]()
$536
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 7/65:15 pm
MKE
- HRL
2 stops6h 30m
Southwest
Mon 7/131:15 pm
HRL
- MKE
2 stops9h 45m
Southwest
Deal found 6/11![Southwest logo]()
$562
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 June 13, 2026.
Search for one-way flight options from Milwaukee to Harlingen. Find affordable one-way fares based on user searches. Data last updated June 13, 2026.
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Sun 6/2810:46 am
MKE
- HRL
1 stop5h 13m
United Airlines
Deal found 6/11![United Airlines logo]()
$181
This American Airlines deal was found by Cheapflights users on 6/11. 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 6/276:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Deal found 6/11![American Airlines logo]()
$215
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Fri 6/266:21 pm
MKE
- HRL
1 stop5h 53m
American Airlines
Deal found 6/11![American Airlines logo]()
$256
This Southwest deal was found by Cheapflights users on 6/11. 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 6/269:10 am
MKE
- HRL
2 stops8h 45m
Southwest
Deal found 6/11![Southwest logo]()
$289
This Southwest deal was found by Cheapflights users on 6/11. 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.
Mon 6/295:15 pm
MKE
- HRL
2 stops6h 25m
Southwest
Deal found 6/11![Southwest logo]()
$308
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sun 7/266:15 am
MKE
- HRL
1 stop8h 45m
Southwest
Deal found 6/11![Southwest logo]()
$318
This Southwest deal was found by Cheapflights users on 6/11. 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.
Sun 6/286:15 am
MKE
- HRL
2 stops11h 55m
Southwest
Deal found 6/11![Southwest logo]()
$358
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 June 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $246 (Southwest) |
One-way from | $181 (United Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $488 |
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 June 13, 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 - HRL
MKEHRL
Milwaukee-Mitchell
Wed 6/24
6:21 pm-12:14 am
1 stop5h 53m
Harlingen Valley Intl
Sun 6/28
6:00 am-11:15 am
1 stop5h 15m
$418
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Mon 6/22
6:21 pm-12:14 am
1 stop5h 53m
Harlingen Valley Intl
Tue 6/30
4:57 pm-11:34 pm
1 stop6h 37m
$460
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Wed 6/24
11:30 am-8:50 pm
2 stops9h 20m
Harlingen Valley Intl
Sun 6/28
6:30 am-4:30 pm
2 stops10h 00m
$488
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Sat 6/27
4:40 pm-10:40 pm
2 stops6h 00m
Harlingen Valley Intl
Mon 7/6
1:15 pm-11:00 pm
2 stops9h 45m
$530
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Mon 7/6
5:15 pm-11:45 pm
2 stops6h 30m
Harlingen Valley Intl
Mon 7/13
1:15 pm-11:00 pm
2 stops9h 45m
$562
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Mon 6/22
5:15 pm-11:40 pm
2 stops6h 25m
Harlingen Valley Intl
Tue 6/30
2:10 pm-11:10 pm
2 stops9h 00m
$693
Quickest round-trip
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Sun 6/28
10:46 am-3:59 pm
1 stop5h 13m
Harlingen Valley Intl
Thu 7/2
5:10 am-10:05 am
1 stop4h 55m
$741
Cheapest one-way
Quickest one-way
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Sun 6/28
10:46 am-3:59 pm
1 stop5h 13m
$181
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Mon 6/29
6:21 pm-12:14 am
1 stop5h 53m
$215
MilwaukeeHarlingen
MKE - HRL
MKEHRL
Milwaukee-Mitchell
Sat 6/27
8:00 am-7:34 pm
2 stops11h 34m
$220
Showing 1-10 of 12 resultsSorted 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 June.
| 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 June 13, 2026.
Peruse reviews from past customers who have flown with 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.
Overall
7.1
Entertainment
6.9
Crew
7.9
Comfort
7.2
Boarding
7.5
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Overall
7.1
Entertainment
6.9
Crew
7.9
Comfort
7.2
Boarding
7.5
Food
6.4
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
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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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 June 13, 2026.
Milwaukee and Harlingen flights
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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 June 13, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Milwaukee to Harlingen
Discover the top airline 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 June 13, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$240 | Average$338 | FlexibilityNo cancel fee | On-time71% |