$84+ Cheap flights from Kansas City to Harlingen (MCI - 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 1/30. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — HRL
Nov 8 — Nov 151
Round-trip
1 adult, Economy
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Find cheap flights from Kansas City 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 Kansas City to Harlingen
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Best
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One-way
Cheapest flights from Kansas City to HarlingenExplore the most affordable flight options available from Kansas City to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
Explore the most affordable flight options available from Kansas City to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/8. 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.
Wed 11/257:45 pm -
1 stop4h 25m
Wed 12/24:30 pm -
1 stop6h 20m
Deal found 10/8![Southwest logo]()
$225
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:30 am -
1 stop4h 51m
Sun 11/15:05 am -
1 stop5h 01m
Deal found 10/5![United Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/278:30 am -
1 stop4h 51m
Fri 10/305:05 am -
1 stop5h 02m
Deal found 10/6![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:09 pm -
2 stops9h 39m
Wed 11/115:05 am -
1 stop5h 01m
Deal found 10/5![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 10/9. 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.
Fri 12/255:45 am -
1 stop10h 05m
Tue 12/293:40 pm -
2 stops8h 15m
Deal found 10/9![Southwest logo]()
$334
Best flights from Kansas City to HarlingenDiscover carefully curated flight deals from Kansas City to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
Discover carefully curated flight deals from Kansas City to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/8. 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.
Wed 11/257:45 pm -
1 stop4h 25m
Wed 12/24:30 pm -
1 stop6h 20m
Deal found 10/8![Southwest logo]()
$225
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:36 am -
2 stops8h 25m
Sun 11/15:05 am -
1 stop5h 01m
Deal found 10/5![United Airlines logo]()
$278
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/278:30 am -
1 stop4h 51m
Fri 10/305:05 am -
1 stop5h 02m
Deal found 10/6![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/16:00 am -
2 stops10h 03m
Tue 1/52:05 pm -
1 stop4h 39m
Deal found 10/5![United Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/108:30 am -
1 stop7h 31m
Wed 11/115:25 pm -
1 stop5h 05m
Deal found 10/5![United Airlines logo]()
$317
This United Airlines deal was found by Cheapflights users on 10/7. 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.
Mon 1/48:30 am -
1 stop7h 33m
Fri 1/84:35 pm -
1 stop5h 55m
Deal found 10/7![United Airlines logo]()
$327
Last-minute flights from Kansas City to HarlingenDiscover last-minute flight deals from Kansas City to Harlingen. Data last updated October 9, 2026 and is based on user searches.
Discover last-minute flight deals from Kansas City to Harlingen. Data last updated October 9, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 10/278:30 am -
1 stop4h 51m
Fri 10/305:05 am -
1 stop5h 02m
Deal found 10/6![United Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:30 am -
1 stop4h 51m
Sun 11/15:05 am -
1 stop5h 01m
Deal found 10/5![United Airlines logo]()
$273
This United Airlines deal was found by Cheapflights users on 10/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/101:09 pm -
2 stops9h 39m
Wed 11/115:05 am -
1 stop5h 01m
Deal found 10/5![United Airlines logo]()
$322
This Southwest deal was found by Cheapflights users on 10/8. 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.
Wed 11/257:45 pm -
1 stop4h 25m
Wed 12/24:30 pm -
1 stop6h 20m
Deal found 10/8![Southwest logo]()
$225
One-way flights from Kansas City to HarlingenSearch for one-way flight options from Kansas City to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
Search for one-way flight options from Kansas City to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 9, 2026.
This Southwest deal was found by Cheapflights users on 10/7. 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 1/3012:15 pm -
1 stop6h 10m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![Southwest logo]()
$84
This American Airlines deal was found by Cheapflights users on 10/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/305:20 am -
1 stop4h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/4![American Airlines logo]()
$169
This deal was found by Cheapflights users on 10/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/308:30 am -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$320
This United Airlines deal was found by Cheapflights users on 10/7. 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 1/308:45 am -
1 stop7h 08m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$344
This deal was found by Cheapflights users on 10/7. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/298:30 am -
1 stop5h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/7![United Airlines logo]()
$373
Find flight deals from Kansas City to Harlingen
Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) 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 October 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $225 (Southwest) |
One-way from | $84 (Southwest) |
Popular in | November |
Cheapest in | January |
Average price | $437 |
Cheapflights Fare Finder
Customize your flight search to find flights from Kansas City 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 October 9, 2026.
Use the filters below to find and compare flights from Kansas City to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Sat 1/30
12:15 pm-6:25 pm
1 stop6h 10m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$84
Quickest round-trip
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Wed 12/30
5:20 am-10:04 am
1 stop4h 44m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$169
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Wed 11/25
7:45 pm-12:10 am
1 stop4h 25m
Harlingen Valley Intl
Wed 12/2
4:30 pm-10:50 pm
1 stop6h 20m
$225
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Thu 10/29
7:36 am-4:01 pm
2 stops8h 25m
Harlingen Valley Intl
Sun 11/1
5:05 am-10:06 am
1 stop5h 01m
$278
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Tue 10/27
8:30 am-1:21 pm
1 stop4h 51m
Harlingen Valley Intl
Fri 10/30
5:05 am-10:07 am
1 stop5h 02m
$307
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Fri 1/1
6:00 am-4:03 pm
2 stops10h 03m
Harlingen Valley Intl
Tue 1/5
2:05 pm-6:44 pm
1 stop4h 39m
$315
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Tue 11/10
8:30 am-4:01 pm
1 stop7h 31m
Harlingen Valley Intl
Wed 11/11
5:25 pm-10:30 pm
1 stop5h 05m
$317
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Wed 12/30
5:02 pm-1:30 pm
2 stops20h 28m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$321
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Mon 1/4
8:30 am-4:03 pm
1 stop7h 33m
Harlingen Valley Intl
Fri 1/8
4:35 pm-10:30 pm
1 stop5h 55m
$327
Kansas CityHarlingen
MCI Kansas City - HRL Harlingen Valley Intl
MCIHRL
Kansas City
Sat 1/30
8:45 am-3:53 pm
1 stop7h 08m
Harlingen Valley Intl
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$344
Sorted by cheapest first
Compare providers for flights from Kansas City 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 Kansas City to Harlingen in October.
| 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 Kansas City-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Kansas City-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Harlingen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Kansas City-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 Kansas City-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 Kansas City to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from Kansas City with our price prediction graph.
MCI-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.
Cheapflights Insights
Everything you need to know about your flight from Kansas City 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 October 9, 2026.
Get a feel of what it's like to fly with Southwest from Kansas City to Harlingen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Food
7.0
Comfort
8.0
Overall
7.9
Crew
8.6
Boarding
8.1
Entertainment
7.4
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Kansas City 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.
Search flights from Kansas City to Harlingen by cabin class
Find flights from Kansas City 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 October 9, 2026.
Kansas City and Harlingen flights
Browse other Kansas City and Harlingen flight options. Last updated on October 9, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Kansas City to Harlingen
Discover the top airline that operate flights from Kansas City 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 October 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$199 | Average$349 | FlexibilityNo cancel fee | On-time63% |