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

Southwest can get you from Kansas City to Harlingen, Texas in just under 6h 20m. Your travel time can differ by up to . The distance between Kansas City and Harlingen, Texas is about 918 mi.

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. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $249 and $268, respectively. Southwest is 41% cheaper than the average price of flights available within the next 90 days to this destination.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

What are the most popular airlines that fly from Kansas City to Harlingen, Texas?

Before booking your flight from Kansas City to Harlingen, Texas check out the most popular airlines for this route: American Airlines, Southwest or United Airlines.

Most accurate provider : When it comes to deals on Kansas City-Harlingen, Texas flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kansas City-Harlingen, Texas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

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.

$126+ Flights from Kansas City to Harlingen, TX

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

Airfare is below average for this route at the moment. Kansas City to Harlingen, Texas flights typically cost between $291 and $456 in January. The cheapest round-trip price found within the last 3 days was $217 on Southwest (Jan 8-Jan 12).

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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”

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Cheap flight deals from Kansas City to Harlingen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$217 (Southwest)
One-way from	$126 (American Airlines)
Popular in	December
Cheapest in	August
Average price	$372

Provider with most accurate pricing for Kansas City-Harlingen Valley Intl flight deals.

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Provider most trusted by Cheapflights users for Kansas City-Harlingen Valley Intl flights.

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From Kansas City to Harlingen Valley Intl

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One-way flight from Kansas City to Harlingen Valley Intl

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Highest demand for flights based on searches. 2% potential increase in price ($9 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in October 2025

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Find 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 October 28, 2025.

Mon 11/107:25 pmMCI - HRL

1 stop4h 10mSouthwest

Fri 11/146:25 pmHRL - MCI

1 stop4h 35mSouthwest

Deal found 10/26

$289

Sat 12/205:05 amMCI - HRL

1 stop4h 05mSouthwest

Tue 12/238:35 pmHRL - MCI

1 stop4h 00mSouthwest

Deal found 10/27

$378

Fri 12/197:50 pmMCI - HRL

1 stop4h 05mSouthwest

Sun 12/215:00 amHRL - MCI

1 stop7h 05mSouthwest

Deal found 10/27

$387

Mon 11/109:58 amMCI - HRL

2 stops9h 41mUnited Airlines

Fri 11/145:00 pmHRL - MCI

1 stop5h 28mUnited Airlines

Deal found 10/26

$424

Wed 12/249:44 amMCI - HRL

1 stop10h 43mAmerican Airlines

Thu 1/15:34 amHRL - MCI

1 stop4h 50mAmerican Airlines

Deal found 10/26

$463

Fri 12/265:04 amMCI - HRL

1 stop4h 36mAmerican Airlines

Thu 1/15:34 amHRL - MCI

1 stop4h 50mAmerican Airlines

Deal found 10/26

$468

Best flights from Kansas City to Harlingen
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 28, 2025.

Thu 1/83:30 pmMCI - HRL

1 stop6h 20mSouthwest

Mon 1/127:35 amHRL - MCI

1 stop3h 50mSouthwest

Deal found 10/26

$217

Fri 10/312:55 pmMCI - HRL

1 stop6h 59mUnited Airlines

Sun 11/25:00 amHRL - MCI

2 stops11h 05mUnited Airlines

Deal found 10/24

$388

Wed 12/246:10 amMCI - HRL

1 stop14h 17mAmerican Airlines

Thu 1/15:34 amHRL - MCI

1 stop4h 50mAmerican Airlines

Deal found 10/25

$440

Mon 11/102:40 pmMCI - HRL

2 stops7h 50mSouthwest

Fri 11/148:05 pmHRL - MCI

1 stop4h 10mSouthwest

Deal found 10/26

$349

Fri 10/316:05 amMCI - HRL

1 stop4h 35mSouthwest

Sun 11/25:45 amHRL - MCI

1 stop4h 00mSouthwest

Deal found 10/24

$359

Mon 11/1011:36 amMCI - HRL

2 stops10h 18mUnited Airlines

Fri 11/145:00 amHRL - MCI

2 stops7h 45mUnited Airlines

Deal found 10/26

$429

Fri 12/265:04 amMCI - HRL

1 stop4h 36mAmerican Airlines

Thu 1/15:34 amHRL - MCI

1 stop4h 50mAmerican Airlines

Deal found 10/25

$450

Sat 12/205:05 amMCI - HRL

1 stop4h 05mSouthwest

Tue 12/238:35 pmHRL - MCI

1 stop4h 00mSouthwest

Deal found 10/26

$378

Last-minute flights from Kansas City to Harlingen
Discover last-minute flight deals from Kansas City to Harlingen. Data last updated October 28, 2025 and is based on user searches.

Fri 10/316:05 amMCI - HRL

1 stop4h 35mSouthwest

Sun 11/25:45 amHRL - MCI

1 stop4h 00mSouthwest

Deal found 10/24

$359

Fri 10/312:55 pmMCI - HRL

1 stop6h 59mUnited Airlines

Sun 11/25:00 amHRL - MCI

2 stops11h 05mUnited Airlines

Deal found 10/24

$388

Sun 11/99:58 amMCI - HRL

2 stops9h 41mUnited Airlines

Thu 11/137:00 amHRL - MCI

1 stop7h 13mUnited Airlines

Deal found 10/25

$543

Mon 11/107:25 pmMCI - HRL

1 stop4h 10mSouthwest

Fri 11/146:25 pmHRL - MCI

1 stop4h 35mSouthwest

Deal found 10/26

$289

Mon 11/109:58 amMCI - HRL

2 stops9h 41mUnited Airlines

Fri 11/145:00 pmHRL - MCI

1 stop5h 28mUnited Airlines

Deal found 10/26

$424

One-way flights from Kansas City to Harlingen
Search for one-way flight options from Kansas City to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 28, 2025.

Wed 11/195:15 amMCI - HRL

1 stop4h 36mAmerican Airlines

Deal found 10/25

$126

Wed 11/191:47 pmMCI - HRL

2 stops8h 07mUnited Airlines

Deal found 10/25

$142

Cheapflights Fare Finder

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

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 1/8

3:30 pm-9:50 pm

1 stop6h 20m

Harlingen Valley Intl

Mon 1/12

7:35 am-11:25 am

1 stop3h 50m

$217

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 11/10

2:40 pm-10:30 pm

2 stops7h 50m

Harlingen Valley Intl

Fri 11/14

8:05 pm-12:15 am

1 stop4h 10m

$349

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 10/31

6:05 am-10:40 am

1 stop4h 35m

Harlingen Valley Intl

Sun 11/2

5:45 am-9:45 am

1 stop4h 00m

$359

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 12/20

5:05 am-9:10 am

1 stop4h 05m

Harlingen Valley Intl

Tue 12/23

8:35 pm-12:35 am

1 stop4h 00m

$378

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 10/31

2:55 pm-9:54 pm

1 stop6h 59m

Harlingen Valley Intl

Sun 11/2

5:00 am-4:05 pm

2 stops11h 05m

$388

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 11/10

11:36 am-9:54 pm

2 stops10h 18m

Harlingen Valley Intl

Fri 11/14

5:00 am-12:45 pm

2 stops7h 45m

$429

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 12/24

6:10 am-8:27 pm

1 stop14h 17m

Harlingen Valley Intl

Thu 1/1

5:34 am-10:24 am

1 stop4h 50m

$440

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 12/26

5:04 am-9:40 am

1 stop4h 36m

Harlingen Valley Intl

Thu 1/1

5:34 am-10:24 am

1 stop4h 50m

$450

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 11/19

5:15 am-9:51 am

1 stop4h 36m

$126

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 11/19

1:47 pm-9:54 pm

2 stops8h 07m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Compare providers for flights from Kansas City to Harlingen

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*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Kansas City-Harlingen, Texas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

What is the cheapest time of day to fly from MCI to HRL?

Unlike in the afternoon, when flights are generally more expensive, you can save up to 24% on flights from Kansas City to Harlingen, Texas by exploring options for tickets in the evening.

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

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with Southwest, United Airlines, 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

4,236 reviews

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

4,236 reviews

Southwest

8.0

Very good

4,236 reviews

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

United Airlines

7.4

Good

8,997 reviews

Southwest

8.0

Very good

4,236 reviews

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

11,033 reviews

Southwest

8.0

Very good

4,236 reviews

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

How long is the flight from Kansas City to Harlingen, Texas?
Southwest can get you from Kansas City to Harlingen, Texas in just under 6h 20m. Your travel time can differ by up to . The distance between Kansas City and Harlingen, Texas is about 918 mi.
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. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $249 and $268, respectively. Southwest is 41% 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

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Kansas City to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
Southwest	Cheapest$196	Average$348	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$249	Average$308	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$268	Average$324	FlexibilityNo cancel fee	On-time69%

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$126+ 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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Kansas City to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansas City to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Kansas City to Harlingen

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 28, 2025.

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 28, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Kansas City to Harlingen that are best for you.

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.

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.

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?

What is the cheapest time of day to fly from MCI to HRL?

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

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with Southwest, United Airlines, 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.

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?

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Kansas City to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top 3 airlines flying from Kansas City to Harlingen

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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 October 28, 2025.