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Harlingen

$130+ Cheap flights from Kansas City to Harlingen, TX (MCI - 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 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — HRL
Feb 22 — Mar 11
Sun 2/22
Sun 3/1
1 adult, Economy
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Cheap flight deals from Kansas City to Harlingen

Cheapest flights from Kansas City to Harlingen
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 January 23, 2026.

This Southwest deal was found by Cheapflights users on 1/21. 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 2/184:50 pm
MCI
-
HRL
1 stop4h 00m
Southwest
Wed 2/256:40 pm
HRL
-
MCI
1 stop4h 00m
Southwest
Deal found 1/21$217
This United Airlines deal was found by Cheapflights users on 1/21. 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 4/146:16 am
MCI
-
HRL
1 stop5h 07m
United Airlines
Thu 4/167:00 am
HRL
-
MCI
1 stop4h 59m
United Airlines
Deal found 1/21$229
This United Airlines deal was found by Cheapflights users on 1/21. 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 2/194:03 pm
MCI
-
HRL
1 stop5h 56m
United Airlines
Thu 2/269:20 am
HRL
-
MCI
1 stop4h 42m
United Airlines
Deal found 1/21$249
This American Airlines deal was found by Cheapflights users on 1/21. 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 2/195:30 am
MCI
-
HRL
1 stop4h 42m
American Airlines
Thu 2/268:06 pm
HRL
-
MCI
1 stop4h 09m
American Airlines
Deal found 1/21$251
This United Airlines deal was found by Cheapflights users on 1/22. 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 3/306:16 am
MCI
-
HRL
1 stop5h 07m
United Airlines
Wed 5/279:45 am
HRL
-
MCI
1 stop6h 50m
United Airlines
Deal found 1/22$259
This Southwest deal was found by Cheapflights users on 1/21. 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 3/107:20 am
MCI
-
HRL
1 stop4h 45m
Southwest
Tue 3/246:05 am
HRL
-
MCI
1 stop4h 10m
Southwest
Deal found 1/21$263
This Southwest deal was found by Cheapflights users on 1/21. 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.
Thu 3/195:10 am
MCI
-
HRL
1 stop5h 05m
Southwest
Mon 3/235:30 pm
HRL
-
MCI
1 stop6h 20m
Southwest
Deal found 1/21$279
This American Airlines deal was found by Cheapflights users on 1/22. 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 3/15:30 am
MCI
-
HRL
1 stop4h 42m
American Airlines
Sun 3/88:06 pm
HRL
-
MCI
1 stop4h 06m
American Airlines
Deal found 1/22$284

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 January 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$217
(Southwest)

One-way from

$130
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$313
Provider with most accurate pricing for Kansas City-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Kansas City-Harlingen Valley Intl flights.
Search Deals
From Kansas City to Harlingen Valley Intl
Search Deals
One-way flight from Kansas City to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($18 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 2,558,603 searches. Data last updated January 23, 2026.
Use the filters below to find and compare flights from Kansas City to Harlingen that are best for you.

Fly from

Kansas City

Fly to

Harlingen

Route

Depart

Return

Price

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 4/14

6:16 am-11:23 am

1 stop5h 07m

Harlingen Valley Intl

Thu 4/16

7:00 am-11:59 am

1 stop4h 59m

$229

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 2/19

4:03 pm-9:59 pm

1 stop5h 56m

Harlingen Valley Intl

Thu 2/26

9:20 am-2:02 pm

1 stop4h 42m

$249

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 3/30

6:16 am-11:23 am

1 stop5h 07m

Harlingen Valley Intl

Wed 5/27

9:45 am-4:35 pm

1 stop6h 50m

$259

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 3/10

7:20 am-12:05 pm

1 stop4h 45m

Harlingen Valley Intl

Tue 3/24

6:05 am-10:15 am

1 stop4h 10m

$263

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 2/19

5:30 am-10:12 am

1 stop4h 42m

Harlingen Valley Intl

Thu 2/26

8:06 pm-12:15 am

1 stop4h 09m

$267

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 2/18

12:55 pm-8:50 pm

2 stops7h 55m

Harlingen Valley Intl

Wed 2/25

6:30 am-12:20 pm

2 stops5h 50m

$290

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 3/10

9:15 am-7:56 pm

2 stops10h 41m

Harlingen Valley Intl

Tue 3/24

7:00 am-4:19 pm

2 stops9h 19m

$293

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 3/30

7:35 pm-12:05 am

1 stop4h 30m

Harlingen Valley Intl

Wed 5/27

7:10 am-2:10 pm

2 stops7h 00m

$299

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 2/14

2:58 pm-7:58 pm

1 stop5h 00m

Harlingen Valley Intl

Wed 2/18

9:20 am-2:02 pm

1 stop4h 42m

$299

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 2/12

11:55 am-7:15 pm

1 stop7h 20m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 12 results
1
2

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 January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*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 Kansas City-Harlingen, Texas 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, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Kansas City-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Kansas City-Harlingen, Texas flights, Cheapflights users trust Expedia the most. Expedia 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, Texas 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.
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

What is the cheapest month to book a flight from Kansas City to Harlingen, Texas?

Currently, January is the cheapest month in which you can book a flight from Kansas City to Harlingen, Texas (average of $199). Flying from Kansas City to Harlingen, Texas in September is currently the most expensive (average of $291). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 January 23, 2026.
Get a feel of what it's like to fly with Southwest and American Airlines 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.
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines
American Airlines
7.2
Good
11,176 reviews
Southwest
8.0
Very good
4,267 reviews

Food

7.0

Boarding

8.1

Entertainment

7.5

Comfort

8.0

Crew

8.6

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

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.

  • How long is the flight from Kansas City to Harlingen, Texas?

    United Airlines and Southwest can get you from Kansas City to Harlingen, Texas in just under 4h 45m. Your travel time can differ by up to 22m. The distance between Kansas City and Harlingen, Texas is about 918 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Kansas City to Harlingen, Texas round-trip?

    Flying on Southwest is currently your cheapest option to Harlingen, Texas, with prices starting at $196. Another option worth looking into is American Airlines, starting at $265 round trip. Southwest is 42% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Kansas City to Harlingen that include hotel bookings?

    Yes. In addition to deals on Kansas City to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kansas City to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kansas City to Harlingen.

  • Can I find deals for business class flights from Kansas City to Harlingen?

    Yes. Cheapflights offers flight deals from Kansas City 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.

  • What is the cheapest month to book a flight from Kansas City to Harlingen, Texas?

    Currently, January is the cheapest month in which you can book a flight from Kansas City to Harlingen, Texas (average of $199). Flying from Kansas City to Harlingen, Texas in September is currently the most expensive (average of $291). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Kansas City to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Kansas City to Harlingen

Discover the top 2 airlines 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 2,558,603 searches. Data last updated January 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$348FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$265Average$313FlexibilityNo cancel feeOn-time71%

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