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

Flying on United Airlines is currently your cheapest option to Harlingen, Texas, with prices starting at $412.

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 $320 for the month, but tickets can be as low as $203. Due to multiple factors, prepare for potentially higher prices in October.

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.

$130+ Flights from Kansas City to Harlingen, TX

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Cheap flight deals from Kansas City to Harlingen

Round-trip from	$412 (United Airlines)
One-way from	$130 (Southwest)
Popular in	October
Cheapest in	September
Average price	$340

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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High demand for flights, 7% potential price rise

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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 July 2025

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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 July 28, 2025.

Thu 7/317:49 pmMCI - HRL

1 stop4h 17mAmerican Airlines

Sat 8/25:25 amHRL - MCI

1 stop4h 28mAmerican Airlines

Deal found 7/27

$399

Tue 8/128:25 amMCI - HRL

1 stop4h 55mUnited Airlines

Sat 8/165:10 amHRL - MCI

2 stops11h 00mUnited Airlines

Deal found 7/28

$412

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 July 28, 2025.

Tue 8/128:25 amMCI - HRL

1 stop4h 55mUnited Airlines

Sat 8/165:10 amHRL - MCI

2 stops11h 00mUnited Airlines

Deal found 7/28

$412

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

Thu 7/317:49 pmMCI - HRL

1 stop4h 17mAmerican Airlines

Sat 8/25:25 amHRL - MCI

1 stop4h 28mAmerican Airlines

Deal found 7/27

$399

Tue 8/128:25 amMCI - HRL

1 stop4h 55mUnited Airlines

Sat 8/165:10 amHRL - MCI

2 stops11h 00mUnited Airlines

Deal found 7/28

$412

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 July 28, 2025.

Mon 11/105:15 amMCI - HRL

1 stop6h 20mSouthwest

Deal found 7/28

$130

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 8/12

8:25 am-1:20 pm

1 stop4h 55m

Harlingen Valley Intl

Sat 8/16

5:10 am-4:10 pm

2 stops11h 00m

$412

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 11/10

5:15 am-11:35 am

1 stop6h 20m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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 $381). 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 and United 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

4,238 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

4,238 reviews

Southwest

8.0

Very good

4,238 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

8,892 reviews

Southwest

8.0

Very good

4,238 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 is the cheapest airline to fly from Kansas City to Harlingen, Texas round-trip?
Flying on United Airlines is currently your cheapest option to Harlingen, Texas, with prices starting at $412.
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 $381). 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

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Top 3 airlines flying from Kansas City to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$208	Average$303	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$208	Average$308	FlexibilityNo cancel fee	On-time71%
Southwest	Cheapest$233	Average$348	FlexibilityNo cancel fee	On-time63%

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$130+ 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 11/10. 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

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3. Compare prices and book

Cheap flight deals from Kansas City to Harlingen

Round-trip from

One-way from

Popular in

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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 July 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 July 28, 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?

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 July 28, 2025.

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with Southwest and United 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 is the cheapest airline to fly 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 July 28, 2025.