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

American Airlines and Southwest can get you from Kansas City to Harlingen, Texas in just under 4h 35m. Your travel time can differ by up to 20m. 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 $253 round trip. Southwest is 42% 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).

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.

$217+ Flights from Kansas City to Harlingen, TX

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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 December 12, 2025.

Fri 12/195:05 amMCI - HRL

1 stop4h 35mAmerican Airlines

Tue 12/238:11 pmHRL - MCI

1 stop4h 02mAmerican Airlines

Deal found 12/9

$401

Wed 12/316:40 amMCI - HRL

1 stop4h 10mSouthwest

Sun 1/48:35 pmHRL - MCI

1 stop4h 00mSouthwest

Deal found 12/11

$478

Thu 12/259:00 amMCI - HRL

2 stops10h 36mUnited Airlines

Mon 12/295:00 amHRL - MCI

1 stop5h 36mUnited Airlines

Deal found 12/10

$489

Thu 12/114:30 pmMCI - HRL

1 stop5h 24mUnited Airlines

Wed 12/1712:16 pmHRL - MCI

1 stop4h 22mUnited Airlines

Deal found 12/9

$501

Sat 12/1311:36 amMCI - HRL

2 stops10h 18mUnited Airlines

Mon 12/157:00 amHRL - MCI

2 stops9h 05mUnited Airlines

Deal found 12/9

$511

Sat 12/204:40 pmMCI - HRL

1 stop5h 19mUnited Airlines

Wed 12/245:00 amHRL - MCI

1 stop5h 36mUnited Airlines

Deal found 12/9

$513

Sat 12/205:35 pmMCI - HRL

2 stops6h 20mSouthwest

Wed 12/245:40 pmHRL - MCI

1 stop4h 10mSouthwest

Deal found 12/9

$584

Wed 12/316:40 amMCI - HRL

1 stop4h 10mSouthwest

Sat 1/35:40 amHRL - MCI

2 stops7h 25mSouthwest

Deal found 12/11

$609

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 December 12, 2025.

Thu 2/195:30 amMCI - HRL

1 stop4h 35mAmerican Airlines

Thu 2/268:07 pmHRL - MCI

1 stop4h 00mAmerican Airlines

Deal found 12/10

$266

Fri 1/165:40 amMCI - HRL

1 stop4h 55mSouthwest

Sun 1/255:40 amHRL - MCI

1 stop4h 05mSouthwest

Deal found 12/9

$279

Tue 1/276:15 amMCI - HRL

1 stop5h 11mUnited Airlines

Sat 1/319:20 amHRL - MCI

1 stop4h 44mUnited Airlines

Deal found 12/10

$299

Thu 1/85:49 pmMCI - HRL

1 stop5h 32mAmerican Airlines

Mon 1/126:44 pmHRL - MCI

1 stop4h 28mAmerican Airlines

Deal found 12/9

$275

Thu 1/811:00 amMCI - HRL

1 stop7h 00mSouthwest

Mon 1/126:30 amHRL - MCI

2 stops5h 50mSouthwest

Deal found 12/9

$299

Thu 2/192:58 pmMCI - HRL

1 stop7h 01mUnited Airlines

Thu 2/269:20 amHRL - MCI

2 stops11h 15mUnited Airlines

Deal found 12/10

$316

Wed 2/256:40 amMCI - HRL

1 stop4h 35mSouthwest

Sun 3/15:45 amHRL - MCI

1 stop4h 00mSouthwest

Deal found 12/9

$324

Last-minute flights from Kansas City to Harlingen
Discover last-minute flight deals from Kansas City to Harlingen. Data last updated December 12, 2025 and is based on user searches.

Fri 12/196:40 amMCI - HRL

1 stop7h 40mDelta

Tue 12/233:15 pmHRL - MCI

1 stop7h 56mDelta

Deal found 12/12

$484

Fri 12/195:05 amMCI - HRL

1 stop4h 35mAmerican Airlines

Tue 12/238:11 pmHRL - MCI

1 stop4h 02mAmerican Airlines

Deal found 12/10

$491

Sat 12/204:40 pmMCI - HRL

1 stop5h 19mUnited Airlines

Wed 12/245:00 amHRL - MCI

1 stop5h 36mUnited Airlines

Deal found 12/9

$513

Thu 12/259:00 amMCI - HRL

2 stops10h 36mUnited Airlines

Mon 12/295:00 amHRL - MCI

1 stop5h 36mUnited Airlines

Deal found 12/10

$489

Wed 12/316:40 amMCI - HRL

1 stop4h 10mSouthwest

Sun 1/48:35 pmHRL - MCI

1 stop4h 00mSouthwest

Deal found 12/11

$478

Tue 1/204:25 pmMCI - HRL

1 stop5h 34mUnited Airlines

Tue 2/105:25 pmHRL - MCI

1 stop5h 15mUnited Airlines

Deal found 12/11

$217

Tue 1/203:25 pmMCI - HRL

2 stops6h 25mSouthwest

Tue 2/106:30 amHRL - MCI

2 stops5h 50mSouthwest

Deal found 12/11

$273

Tue 1/273:00 pmMCI - HRL

1 stop5h 01mUnited Airlines

Sat 1/319:20 amHRL - MCI

1 stop7h 33mUnited Airlines

Deal found 12/9

$299

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 December 12, 2025.

Wed 12/249:44 amMCI - HRL

1 stop4h 34mAmerican Airlines

Deal found 12/11

$320

Wed 12/241:50 pmMCI - HRL

2 stops29h 46mUnited Airlines

Deal found 12/10

$394

Fri 12/265:04 amMCI - HRL

1 stop4h 36mAmerican Airlines

Deal found 12/10

$424

Fri 12/267:40 amMCI - HRL

2 stops8h 26mUnited Airlines

Deal found 12/11

$464

Find flight deals from Kansas City to Harlingen

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$217 (United Airlines)
Popular in	December
Cheapest in	August
Average price	$458

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

High demand for flights, 0% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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 2/19

5:30 am-10:05 am

1 stop4h 35m

Harlingen Valley Intl

Thu 2/26

8:07 pm-12:07 am

1 stop4h 00m

$266

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 1/8

5:49 pm-11:21 pm

1 stop5h 32m

Harlingen Valley Intl

Mon 1/12

6:44 pm-11:12 pm

1 stop4h 28m

$275

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 1/16

5:40 am-10:35 am

1 stop4h 55m

Harlingen Valley Intl

Sun 1/25

5:40 am-9:45 am

1 stop4h 05m

$279

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 1/27

6:15 am-11:26 am

1 stop5h 11m

Harlingen Valley Intl

Sat 1/31

9:20 am-2:04 pm

1 stop4h 44m

$299

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 1/8

11:00 am-6:00 pm

1 stop7h 00m

Harlingen Valley Intl

Mon 1/12

6:30 am-12:20 pm

2 stops5h 50m

$299

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 2/19

2:58 pm-9:59 pm

1 stop7h 01m

Harlingen Valley Intl

Thu 2/26

9:20 am-8:35 pm

2 stops11h 15m

$316

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 2/25

6:40 am-11:15 am

1 stop4h 35m

Harlingen Valley Intl

Sun 3/1

5:45 am-9:45 am

1 stop4h 00m

$324

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 12/24

2:00 pm-8:27 pm

1 stop6h 27m

$320

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 12/24

1:50 pm-7:36 pm

2 stops29h 46m

$394

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 12/26

5:04 am-9:40 am

1 stop4h 36m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 11 results

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 December.

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.

Reviews of airlines servicing Harlingen

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

7.9

Good

4,253 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

7.9

Good

4,253 reviews

Southwest

7.9

Good

4,253 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

11,050 reviews

Southwest

7.9

Good

4,253 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?
American Airlines and Southwest can get you from Kansas City to Harlingen, Texas in just under 4h 35m. Your travel time can differ by up to 20m. 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 $253 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 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$253	Average$313	FlexibilityNo cancel fee	On-time71%

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$217+ Cheap flights from Kansas City to Harlingen, TX (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 1/20. 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

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 December 12, 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 December 12, 2025.

Find flight deals from Kansas City to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

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 December.

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?

Reviews of airlines servicing Harlingen

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.

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 2 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 December 12, 2025.