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 $199. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $204 and $418, respectively. Southwest is 36% 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%.

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.

$199+ Save on Flights from Kansas City to Harlingen, TX

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1. Tell us where you want to go

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Cheap flight deals from Kansas City to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$199 (Southwest)
Popular in	December
Cheapest in	September
Average price	$347

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.

Search Deals

From Kansas City to Harlingen Valley Intl

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in March 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 March 10, 2025.

Sat 5/103:35 pmMCI - HRL

1 stop4h 45mSouthwest

Sat 5/174:25 pmHRL - MCI

1 stop6h 20mSouthwest

Deal found 3/10

$199

Sat 5/109:02 amMCI - HRL

2 stops10h 24mAmerican Airlines

Sat 5/174:27 pmHRL - MCI

1 stop6h 24mAmerican Airlines

Deal found 3/10

$204

Sat 4/52:57 pmMCI - HRL

1 stop4h 47mUnited Airlines

Fri 4/115:34 pmHRL - MCI

1 stop4h 45mUnited Airlines

Deal found 3/10

$418

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 March 10, 2025.

Sat 5/103:35 pmMCI - HRL

1 stop4h 45mSouthwest

Sat 5/174:25 pmHRL - MCI

1 stop6h 20mSouthwest

Deal found 3/10

$199

Sat 5/109:02 amMCI - HRL

2 stops10h 24mAmerican Airlines

Sat 5/174:27 pmHRL - MCI

1 stop6h 24mAmerican Airlines

Deal found 3/10

$204

Sat 4/52:57 pmMCI - HRL

1 stop4h 47mUnited Airlines

Fri 4/115:34 pmHRL - MCI

1 stop4h 45mUnited Airlines

Deal found 3/10

$418

Last-minute flights from Kansas City to Harlingen
Discover last-minute flight deals from Kansas City to Harlingen. Data last updated March 10, 2025 and is based on user searches.

Tue 3/1112:00 pmMCI - HRL

1 stop3h 50mSouthwest

Mon 3/175:45 pmHRL - MCI

1 stop5h 50mSouthwest

Deal found 3/10

$379

Tue 3/1111:40 amMCI - HRL

2 stops23h 33mMultiple Airlines

Mon 3/1712:30 pmHRL - MCI

3 stops20h 45mMultiple Airlines

Deal found 3/10

$1,415

Mon 3/177:40 pmMCI - HRL

1 stop4h 25mSouthwest

Sat 3/226:20 amHRL - MCI

1 stop3h 50mSouthwest

Deal found 3/10

$519

Tue 3/185:18 amMCI - HRL

1 stop6h 19mAmerican Airlines

Tue 3/254:32 pmHRL - MCI

1 stop6h 28mAmerican Airlines

Deal found 3/10

$320

Tue 3/186:00 amMCI - HRL

2 stops10h 04mUnited Airlines

Tue 3/255:15 amHRL - MCI

2 stops9h 12mUnited Airlines

Deal found 3/10

$475

Sat 4/52:57 pmMCI - HRL

1 stop4h 47mUnited Airlines

Fri 4/115:34 pmHRL - MCI

1 stop4h 45mUnited Airlines

Deal found 3/10

$418

Find flights from Kansas City to Harlingen within your budget

Fly from

Fly to

Route

Depart

Return

Price

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 5/10

3:35 pm-8:20 pm

1 stop4h 45m

Harlingen Valley Intl

Sat 5/17

4:25 pm-10:45 pm

1 stop6h 20m

$199

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 5/10

9:02 am-7:26 pm

2 stops10h 24m

Harlingen Valley Intl

Sat 5/17

4:27 pm-10:51 pm

1 stop6h 24m

$204

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 4/5

2:57 pm-7:44 pm

1 stop4h 47m

Harlingen Valley Intl

Fri 4/11

5:34 pm-10:19 pm

1 stop4h 45m

$418

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/10

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 March.

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.

Travel insights for flights from Kansas City to Harlingen

Get recent, data-driven insights about flights from Kansas City to Harlingen including ideal travel times, pricing trends, and more.

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 $420). 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

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

8.1

Very good

4,300 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

8.1

Very good

4,300 reviews

Southwest

8.1

Very good

4,300 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

8,631 reviews

Southwest

8.1

Very good

4,300 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

8.1

Very good

4,300 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 $199. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $204 and $418, respectively. Southwest is 36% 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 $420). 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$365	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$236	Average$366	FlexibilityNo cancel fee	On-time63%

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$199+ 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 5/10. 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

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 March 10, 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 March 10, 2025.

Find flights from Kansas City to Harlingen within your budget

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.

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.

Travel insights for flights from Kansas City to Harlingen

Get recent, data-driven insights about flights from Kansas City to Harlingen including ideal travel times, pricing trends, and more.

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 March 10, 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

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.

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 March 10, 2025.