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Harlingen

$109+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
MCI — HRL
Apr 11 — Apr 181
Sat 4/11
Sat 4/18
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 March 12, 2026.

This Southwest deal was found by Cheapflights users on 3/7. 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.
Thu 5/286:45 pm
MCI
-
HRL
1 stop4h 15m
Southwest
Sun 5/316:35 pm
HRL
-
MCI
1 stop6h 00m
Southwest
Deal found 3/7$217
This American Airlines deal was found by Cheapflights users on 3/9. 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 4/85:30 am
MCI
-
HRL
1 stop4h 47m
American Airlines
Tue 4/146:45 pm
HRL
-
MCI
1 stop4h 05m
American Airlines
Deal found 3/9$237
This American Airlines deal was found by Cheapflights users on 3/11. 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.
Thu 4/95:30 am
MCI
-
HRL
1 stop4h 47m
American Airlines
Mon 4/137:53 pm
HRL
-
MCI
1 stop4h 14m
American Airlines
Deal found 3/11$280
This United Airlines deal was found by Cheapflights users on 3/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:30 am
MCI
-
HRL
1 stop4h 53m
United Airlines
Thu 4/235:18 pm
HRL
-
MCI
1 stop5h 12m
United Airlines
Deal found 3/10$306
This United Airlines deal was found by Cheapflights users on 3/8. 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.
Tue 4/144:29 pm
MCI
-
HRL
1 stop5h 30m
United Airlines
Wed 4/157:00 am
HRL
-
MCI
1 stop4h 59m
United Airlines
Deal found 3/8$307

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 March 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$217
(Southwest)

One-way from

$109
(Southwest)

Popular in

December

Cheapest in

January

Average price

$328
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
High demand for flights, 3% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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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 March 12, 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

Price

Cheapest round-trip

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 5/28

6:45 pm-11:00 pm

1 stop4h 15m

Harlingen Valley Intl

Sun 5/31

6:35 pm-12:35 am

1 stop6h 00m

$217

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 4/23

6:30 am-11:23 am

1 stop4h 53m

Harlingen Valley Intl

Thu 4/23

5:18 pm-10:30 pm

1 stop5h 12m

$306
Quickest round-trip

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 4/14

6:30 am-11:23 am

1 stop4h 53m

Harlingen Valley Intl

Wed 4/15

7:00 am-11:59 am

1 stop4h 59m

$307

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 4/8

8:00 am-7:40 pm

2 stops11h 40m

Harlingen Valley Intl

Tue 4/14

9:20 am-4:44 pm

1 stop7h 24m

$312
Cheapest one-way

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 4/7

2:30 pm-10:00 pm

2 stops7h 30m

$114
Quickest one-way

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 4/10

6:45 pm-11:00 pm

1 stop4h 15m

$119

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 4/9

6:30 am-11:23 am

1 stop4h 53m

$145

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 4/9

9:55 am-5:25 pm

2 stops7h 30m

$188

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 3/17

4:25 pm-9:56 pm

1 stop5h 31m

$212

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 3/14

11:45 am-5:40 pm

2 stops5h 55m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/7

Showing 1-10 of 12 resultsSorted by cheapest first
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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*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 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, 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.

How much does it cost to fly round-trip from Kansas City to Harlingen, Texas?

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 March 12, 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
4,319 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

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
4,319 reviews
Southwest
8.0
Very good
4,319 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

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
7.1
Good
11,432 reviews
Southwest
8.0
Very good
4,319 reviews

Comfort

8.0

Entertainment

7.5

Food

7.0

Boarding

8.1

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?

    Southwest and United Airlines can get you from Kansas City to Harlingen, Texas in just under 4h 15m. Your travel time can differ by up to 38m. 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 $247 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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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 March 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$342FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$247Average$322FlexibilityNo cancel feeOn-time71%

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