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 $237. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $317 and $324, respectively. Southwest is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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 $322 for the month, but tickets can be as low as $203. Due to multiple factors, prepare for potentially higher prices in October.

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.

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.

$236+ Flights from Kansas City to Harlingen, TX

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Kansas City to Harlingen with Cheapflights

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”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Kansas City to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$237 (Southwest)
One-way from	$236 (United Airlines)
Popular in	October
Cheapest in	September
Average price	$303

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, 5% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

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 April 11, 2025.

Tue 7/86:25 pmMCI - HRL

1 stop4h 25mSouthwest

Fri 7/118:50 pmHRL - MCI

1 stop3h 55mSouthwest

Deal found 4/11

$237

Thu 5/153:10 pmMCI - HRL

1 stop4h 34mUnited Airlines

Mon 5/1912:16 pmHRL - MCI

1 stop6h 23mUnited Airlines

Deal found 4/10

$317

Fri 4/257:41 pmMCI - HRL

1 stop4h 18mAmerican Airlines

Mon 4/284:32 pmHRL - MCI

1 stop6h 24mAmerican Airlines

Deal found 4/10

$324

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 April 11, 2025.

Tue 7/86:25 pmMCI - HRL

1 stop4h 25mSouthwest

Fri 7/118:50 pmHRL - MCI

1 stop3h 55mSouthwest

Deal found 4/11

$237

Thu 5/153:10 pmMCI - HRL

1 stop4h 34mUnited Airlines

Mon 5/1912:16 pmHRL - MCI

1 stop6h 23mUnited Airlines

Deal found 4/10

$317

Fri 4/257:41 pmMCI - HRL

1 stop4h 18mAmerican Airlines

Mon 4/284:32 pmHRL - MCI

1 stop6h 24mAmerican Airlines

Deal found 4/10

$324

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

Fri 4/257:41 pmMCI - HRL

1 stop4h 18mAmerican Airlines

Mon 4/284:32 pmHRL - MCI

1 stop6h 24mAmerican Airlines

Deal found 4/10

$324

Fri 4/256:20 amMCI - HRL

1 stop4h 55mSouthwest

Mon 4/282:45 pmHRL - MCI

2 stops6h 05mSouthwest

Deal found 4/10

$334

Thu 5/153:10 pmMCI - HRL

1 stop4h 34mUnited Airlines

Mon 5/1912:16 pmHRL - MCI

1 stop6h 23mUnited Airlines

Deal found 4/10

$317

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 April 11, 2025.

Tue 4/226:20 amMCI - HRL

1 stop5h 02mUnited Airlines

Deal found 4/10

$236

Tue 4/224:57 pmMCI - HRL

3 stops42h 21mMultiple Airlines

Deal found 4/10

$472

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

Tue 7/8

6:25 pm-10:50 pm

1 stop4h 25m

Harlingen Valley Intl

Fri 7/11

8:50 pm-12:45 am

1 stop3h 55m

$237

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 5/15

3:10 pm-7:44 pm

1 stop4h 34m

Harlingen Valley Intl

Mon 5/19

12:16 pm-6:39 pm

1 stop6h 23m

$317

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 4/25

7:41 pm-11:59 pm

1 stop4h 18m

Harlingen Valley Intl

Mon 4/28

4:32 pm-10:56 pm

1 stop6h 24m

$324

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 4/22

6:20 am-11:22 am

1 stop5h 02m

$236

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 4/22

4:57 pm-11:18 am

3 stops42h 21m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
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 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, 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 July is currently the most expensive (average of $414). 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.

Rainfall in Harlingen by month

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.

Temperature in Harlingen by month

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).

Reviews of airlines servicing Harlingen

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Southwest

8.0

Very good

4,279 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

United Airlines

7.4

Good

8,636 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

8.0

Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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 $237. Additional round-trip tickets that might be worth considering are offered by United Airlines and American Airlines, with the lowest prices starting at $317 and $324, respectively. Southwest is 26% 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, 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 July is currently the most expensive (average of $414). 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
American Airlines	Cheapest$203	Average$288	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$208	Average$358	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$236	Average$348	FlexibilityNo cancel fee	On-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$236+ 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 4/22. 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 April 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 April 11, 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 April.

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?

Find hourly flight availability from Kansas City to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 11, 2025.

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals by month.

Temperature in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature totals by month.

Reviews of airlines servicing Harlingen

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.

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

100% Free

Book with Flexibility

Travel Smart

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 April 11, 2025.