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Cheap flights from Kansas City to Harlingen from $109

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Harlingen departing on 9/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kansas City to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
5:30 am - 10:04 am
MCI
-
HRL
4h 34m
1 stop
American Airlines Logo
5:54 am - 11:58 am
HRL
-
MCI
6h 04m
1 stop
$218American Airlines
Thu, Aug 13 - Thu, Aug 20
United Airlines Logo
7:30 am - 3:59 pm
MCI
-
HRL
8h 29m
2 stops
United Airlines Logo
5:18 pm - 10:35 pm
HRL
-
MCI
5h 17m
1 stop
$302United Airlines
Tue, Aug 25 - Wed, Aug 26
Southwest Logo
11:30 am - 4:15 pm
MCI
-
HRL
4h 45m
1 stop
Southwest Logo
12:35 pm - 10:30 pm
HRL
-
MCI
9h 55m
1 stop
$309Southwest
Tue, Jul 28 - Tue, Aug 4
Southwest Logo
7:20 am - 1:30 pm
MCI
-
HRL
6h 10m
2 stops
Southwest Logo
12:35 pm - 10:30 pm
HRL
-
MCI
9h 55m
1 stop
$315Southwest
Tue, Jul 28 - Tue, Aug 4
United Airlines Logo
8:30 am - 1:24 pm
MCI
-
HRL
4h 54m
1 stop
United Airlines Logo
5:18 pm - 10:35 pm
HRL
-
MCI
5h 17m
1 stop
$334United Airlines
Tue, Aug 25 - Wed, Aug 26
Southwest Logo
7:15 am - 1:30 pm
MCI
-
HRL
6h 15m
2 stops
Southwest Logo
4:25 pm - 11:10 pm
HRL
-
MCI
6h 45m
2 stops
$347Southwest
Tue, Jul 28 - Tue, Aug 4
Southwest Logo
6:45 am - 1:30 pm
MCI
-
HRL
6h 45m
1 stop
Southwest Logo
5:15 am - 9:25 am
HRL
-
MCI
4h 10m
1 stop
$348Southwest
Wed, Jul 22 - Mon, Jul 27
Southwest Logo
6:45 am - 1:30 pm
MCI
-
HRL
6h 45m
1 stop
Southwest Logo
5:15 am - 12:55 pm
HRL
-
MCI
7h 40m
2 stops
$353Southwest
Wed, Jul 22 - Mon, Jul 27
United Airlines Logo
6:00 am - 3:59 pm
MCI
-
HRL
9h 59m
2 stops
United Airlines Logo
5:18 pm - 10:35 pm
HRL
-
MCI
5h 17m
1 stop
$354United Airlines
Thu, Aug 13 - Thu, Aug 20
Southwest Logo
9:10 am - 1:20 pm
MCI
-
HRL
4h 10m
1 stop
Southwest Logo
5:30 am - 10:05 am
HRL
-
MCI
4h 35m
1 stop
$368Southwest
Thu, Sep 3 - Mon, Sep 7

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Southwest flights from Kansas City to Harlingen

Our best Southwest deals on Kansas City to Harlingen flight tickets
Southwest
Jul 28
MCI11:30 amKansas City
4h 45m
1 stop
HRL4:15 pmHarlingen Valley Intl
Aug 4
HRL12:35 pmHarlingen Valley Intl
9h 55m
1 stop
MCI10:30 pmKansas City
$309
Southwest
Jul 28
MCI7:20 amKansas City
6h 10m
2 stops
HRL1:30 pmHarlingen Valley Intl
Aug 4
HRL12:35 pmHarlingen Valley Intl
9h 55m
1 stop
MCI10:30 pmKansas City
$315
Southwest
Jul 28
MCI7:15 amKansas City
6h 15m
2 stops
HRL1:30 pmHarlingen Valley Intl
Aug 4
HRL4:25 pmHarlingen Valley Intl
6h 45m
2 stops
MCI11:10 pmKansas City
$347

United Airlines flights from Kansas City to Harlingen

Our best United Airlines deals on Kansas City to Harlingen flight tickets
United Airlines
Aug 25
MCI7:30 amKansas City
8h 29m
2 stops
HRL3:59 pmHarlingen Valley Intl
Aug 26
HRL5:18 pmHarlingen Valley Intl
5h 17m
1 stop
MCI10:35 pmKansas City
$302
United Airlines
Aug 25
MCI8:30 amKansas City
4h 54m
1 stop
HRL1:24 pmHarlingen Valley Intl
Aug 26
HRL5:18 pmHarlingen Valley Intl
5h 17m
1 stop
MCI10:35 pmKansas City
$334
United Airlines
Aug 13
MCI6:00 amKansas City
9h 59m
2 stops
HRL3:59 pmHarlingen Valley Intl
Aug 20
HRL5:18 pmHarlingen Valley Intl
5h 17m
1 stop
MCI10:35 pmKansas City
$354

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 3, 2026.
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

Cheapest round-trip

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 8/13

5:30 am-10:04 am

1 stop4h 34m

Harlingen Valley Intl

Thu 8/20

5:54 am-11:58 am

1 stop6h 04m

$218

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 8/25

7:30 am-3:59 pm

2 stops8h 29m

Harlingen Valley Intl

Wed 8/26

5:18 pm-10:35 pm

1 stop5h 17m

$302

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 7/28

11:30 am-4:15 pm

1 stop4h 45m

Harlingen Valley Intl

Tue 8/4

12:35 pm-10:30 pm

1 stop9h 55m

$309

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 7/28

7:20 am-1:30 pm

2 stops6h 10m

Harlingen Valley Intl

Tue 8/4

12:35 pm-10:30 pm

1 stop9h 55m

$315

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 8/25

8:30 am-1:24 pm

1 stop4h 54m

Harlingen Valley Intl

Wed 8/26

5:18 pm-10:35 pm

1 stop5h 17m

$334

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 7/28

7:15 am-1:30 pm

2 stops6h 15m

Harlingen Valley Intl

Tue 8/4

4:25 pm-11:10 pm

2 stops6h 45m

$347

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 7/22

6:45 am-1:30 pm

1 stop6h 45m

Harlingen Valley Intl

Mon 7/27

5:15 am-9:25 am

1 stop4h 10m

$348

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 7/22

6:45 am-1:30 pm

1 stop6h 45m

Harlingen Valley Intl

Mon 7/27

5:15 am-12:55 pm

2 stops7h 40m

$353

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 8/13

6:00 am-3:59 pm

2 stops9h 59m

Harlingen Valley Intl

Thu 8/20

5:18 pm-10:35 pm

1 stop5h 17m

$354
Quickest round-trip

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Thu 9/3

9:10 am-1:20 pm

1 stop4h 10m

Harlingen Valley Intl

Mon 9/7

5:30 am-10:05 am

1 stop4h 35m

$368

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Kansas City to Harlingen

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Kansas City and Harlingen?

What is the cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of January, then book flights to Harlingen from Kansas City during April instead. Flights to Harlingen in April, while not as cheap as those in January, still average around $269.

Can stopping save me money on Kansas City to Harlingen flights?

You could potentially save up to 43% on your flight if you consider stops on a Kansas City to Harlingen flight.

When to book flights from Kansas City to Harlingen

Are you open to changing your travel dates? Check out the ideal times to fly from Kansas City to Harlingen according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Kansas City to Harlingen (MCI to HRL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kansas City to Harlingen

Fastest flight time

3h 55m

Direct flights

None
The fastest flight from Kansas City to Harlingen takes 3h 55m
There are no direct flights from Kansas City to Harlingen. There are no popular flight routes from Kansas City to Harlingen.
Search flight deals

Frequently asked questions about flying from Kansas City to Harlingen

  • How far is Kansas City to Harlingen Valley Intl by plane?

    There are 907.6 mi between Kansas City and Harlingen Valley Intl. By plane, this route typically takes 3h 55m.

  • When did momondo last update prices for flights from Kansas City Airport to Harlingen Valley Intl Airport?

    Prices for flights from Kansas City Airport to Harlingen Valley Intl Airport were last updated today.

  • How many operators does momondo search for flights from Kansas City Airport to Harlingen Valley Intl Airport?

  • How old do you have to be to fly from Kansas City Airport to Harlingen Valley Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Kansas City Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The travel and health documents you'll need for your trip to Harlingen Valley Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Harlingen Valley Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Kansas City to Harlingen?

Best airlines flying from Kansas City to Harlingen

Compare and see reviews for airlines that fly from Kansas City to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $199Free CancellationRating
7.9
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $236Free CancellationRating
7.1
11,766 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Kansas City to Harlingen?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Harlingen from Kansas City.

Can I find flights from Kansas City to Harlingen with flexible booking policies on momondo?

momondo does allow users to show only those flights to Harlingen from Kansas City which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kansas City to Harlingen?

Once you have performed a search for Kansas City to Harlingen flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Kansas City to Harlingen right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Harlingen from Kansas City. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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