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

Southwest can get you from Kansas City to Harlingen, Texas in just under 5h 10m. 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 $233. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $253 and $268, respectively. Southwest is 27% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Kansas City to Harlingen, Texas one-way?

The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $93. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Kansas City to Harlingen, Texas for a low price.

What is the cheapest day to fly from Kansas City to Harlingen, Texas?

Travelers seeking maximum savings on their Kansas City to Harlingen, Texas flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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, United Airlines or Southwest.

What is the cheapest day to fly round-trip from Kansas City to Harlingen, Texas?

Monday is generally a great day to depart. Flying on this day could help you save up to 67%.

What is the cheapest month to fly from Kansas City to Harlingen, Texas?

Our data shows that September tends to be the cheapest month to fly to Harlingen, Texas from Kansas City. Users have commonly found prices around $319 for the month, but tickets can be as low as $208. Due to multiple factors, prepare for potentially higher prices in December.

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.

$93+ Flights from Kansas City to Harlingen, TX

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Cheap flight deals from Kansas City to Harlingen

Round-trip from	$212 (Southwest)
One-way from	$93 (Southwest)
Popular in	December
Cheapest in	September
Average price	$208

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. 3% potential increase in price ($13 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 11, 2025.

Wed 10/296:00 amMCI - HRL

1 stop5h 10mSouthwest

Thu 11/68:05 pmHRL - MCI

1 stop4h 10mSouthwest

Deal found 9/10

$212

Thu 11/131:20 pmMCI - HRL

1 stop10h 15mSouthwest

Sun 11/165:45 amHRL - MCI

1 stop4h 00mSouthwest

Deal found 9/8

$247

Thu 9/251:25 pmMCI - HRL

1 stop4h 40mSouthwest

Sun 9/286:00 amHRL - MCI

1 stop4h 20mSouthwest

Deal found 9/10

$329

Wed 12/249:44 amMCI - HRL

1 stop4h 34mAmerican Airlines

Thu 1/15:34 amHRL - MCI

1 stop4h 50mAmerican Airlines

Deal found 9/10

$344

Tue 9/163:10 pmMCI - HRL

1 stop6h 55mSouthwest

Thu 9/185:45 amHRL - MCI

2 stops8h 50mSouthwest

Deal found 9/11

$365

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 September 11, 2025.

Wed 10/296:00 amMCI - HRL

1 stop5h 10mSouthwest

Thu 11/68:05 pmHRL - MCI

1 stop4h 10mSouthwest

Deal found 9/10

$212

Wed 2/256:30 amMCI - HRL

1 stop4h 29mUnited Airlines

Thu 2/265:15 amHRL - MCI

1 stop4h 25mUnited Airlines

Deal found 9/9

$323

Wed 2/255:46 amMCI - HRL

2 stops10h 27mAmerican Airlines

Thu 2/265:50 amHRL - MCI

1 stop3h 55mAmerican Airlines

Deal found 9/9

$344

Thu 11/131:20 pmMCI - HRL

1 stop10h 15mSouthwest

Sun 11/165:45 amHRL - MCI

1 stop4h 00mSouthwest

Deal found 9/8

$247

Wed 12/249:44 amMCI - HRL

1 stop4h 34mAmerican Airlines

Thu 1/15:34 amHRL - MCI

1 stop4h 50mAmerican Airlines

Deal found 9/10

$344

Thu 9/251:25 pmMCI - HRL

1 stop4h 40mSouthwest

Sun 9/286:00 amHRL - MCI

1 stop4h 20mSouthwest

Deal found 9/10

$329

Last-minute flights from Kansas City to Harlingen
Discover last-minute flight deals from Kansas City to Harlingen. Data last updated September 11, 2025 and is based on user searches.

Tue 9/163:10 pmMCI - HRL

1 stop6h 55mSouthwest

Thu 9/185:45 amHRL - MCI

2 stops8h 50mSouthwest

Deal found 9/11

$365

Tue 9/166:00 amMCI - HRL

2 stops10h 02mUnited Airlines

Thu 9/185:00 amHRL - MCI

2 stops9h 20mUnited Airlines

Deal found 9/11

$390

Wed 9/243:01 pmMCI - HRL

1 stop6h 51mUnited Airlines

Sun 9/287:00 amHRL - MCI

1 stop4h 53mUnited Airlines

Deal found 9/9

$487

Thu 9/251:25 pmMCI - HRL

1 stop4h 40mSouthwest

Sun 9/286:00 amHRL - MCI

1 stop4h 20mSouthwest

Deal found 9/10

$329

Thu 9/258:10 amMCI - HRL

1 stop5h 09mUnited Airlines

Mon 9/295:17 pmHRL - MCI

1 stop5h 10mUnited Airlines

Deal found 9/10

$419

Wed 10/296:00 amMCI - HRL

1 stop5h 10mSouthwest

Thu 11/68:05 pmHRL - MCI

1 stop4h 10mSouthwest

Deal found 9/10

$212

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 September 11, 2025.

Wed 2/113:30 pmMCI - HRL

1 stop6h 20mSouthwest

Deal found 9/10

$93

Wed 2/115:43 amMCI - HRL

2 stops10h 34mAmerican Airlines

Deal found 9/10

$115

Tue 1/68:05 amMCI - HRL

1 stop27h 21mUnited Airlines

Deal found 9/11

$174

Fri 10/107:56 pmMCI - HRL

1 stop4h 06mAmerican Airlines

Deal found 9/10

$210

Mon 9/296:26 pmMCI - HRL

1 stop4h 31mAmerican Airlines

Deal found 9/10

$236

Sat 1/34:40 pmMCI - HRL

1 stop5h 19mUnited Airlines

Deal found 9/9

$287

Fri 10/101:46 pmMCI - HRL

2 stops29h 55mUnited Airlines

Deal found 9/9

$297

Mon 9/296:32 pmMCI - HRL

2 stops21h 41mUnited Airlines

Deal found 9/10

$330

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

Wed 10/29

6:00 am-11:10 am

1 stop5h 10m

Harlingen Valley Intl

Thu 11/6

8:05 pm-12:15 am

1 stop4h 10m

$212

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 11/13

1:20 pm-11:35 pm

1 stop10h 15m

Harlingen Valley Intl

Sun 11/16

5:45 am-9:45 am

1 stop4h 00m

$247

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 2/25

6:30 am-10:59 am

1 stop4h 29m

Harlingen Valley Intl

Thu 2/26

5:15 am-9:40 am

1 stop4h 25m

$323

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 9/25

1:25 pm-6:05 pm

1 stop4h 40m

Harlingen Valley Intl

Sun 9/28

6:00 am-10:20 am

1 stop4h 20m

$329

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 2/25

5:46 am-4:13 pm

2 stops10h 27m

Harlingen Valley Intl

Thu 2/26

5:50 am-9:45 am

1 stop3h 55m

$344

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 12/24

9:44 am-2:18 pm

1 stop4h 34m

Harlingen Valley Intl

Thu 1/1

5:34 am-10:24 am

1 stop4h 50m

$344

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 2/11

3:30 pm-9:50 pm

1 stop6h 20m

$93

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 1/6

8:05 am-11:26 am

1 stop27h 21m

$174

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 10/10

7:56 pm-12:02 am

1 stop4h 06m

$210

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 9/29

6:26 pm-10:57 pm

1 stop4h 31m

$236

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 12 results

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, April is the cheapest month in which you can book a flight from Kansas City to Harlingen, Texas (average of $267). Flying from Kansas City to Harlingen, Texas in June is currently the most expensive (average of $382). 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 at noon, when flights are generally more expensive, you can save up to 25% on flights from Kansas City to Harlingen, Texas by exploring options for tickets in the afternoon.

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

4,248 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

4,248 reviews

Southwest

8.0

Very good

4,248 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

8,937 reviews

Southwest

8.0

Very good

4,248 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

10,000 reviews

Southwest

8.0

Very good

4,248 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 5h 10m. 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 $233. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $253 and $268, respectively. Southwest is 27% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Kansas City to Harlingen, Texas one-way?
The cheapest airline one-way is Southwest, with whom users have recently found tickets for as low as $93. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Kansas City to Harlingen, Texas for a low price.
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, April is the cheapest month in which you can book a flight from Kansas City to Harlingen, Texas (average of $267). Flying from Kansas City to Harlingen, Texas in June is currently the most expensive (average of $382). 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$233	Average$348	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$253	Average$313	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$268	Average$324	FlexibilityNo cancel fee	On-time69%

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$93+ 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 2/11. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Kansas City to Harlingen

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 September 11, 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 September 11, 2025.

Cheapflights Fare Finder

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

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, 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?

What are the cheapest airlines to fly from Kansas City to Harlingen, Texas one-way?

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 September 11, 2025.