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Cheap flights from Missouri to Harlingen from $129

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Missouri to Harlingen departing on 5/28. 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
0 bags

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Find the cheapest flights from Missouri to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:30 pm - 9:44 pm
MCI
-
HRL
5h 14m
1 stop
United Airlines Logo
5:10 am - 2:31 pm
HRL
-
MCI
9h 21m
2 stops
$222United Airlines
Tue, Nov 10 - Tue, Nov 17
American Airlines Logo
11:15 am - 3:31 pm
MCI
-
HRL
4h 16m
1 stop
American Airlines Logo
5:40 am - 10:20 am
HRL
-
MCI
4h 40m
1 stop
$232American Airlines
Tue, Nov 10 - Tue, Nov 17
American Airlines Logo
7:48 pm - 12:14 am
MCI
-
HRL
4h 26m
1 stop
American Airlines Logo
8:04 pm - 12:25 am
HRL
-
MCI
4h 21m
1 stop
$242American Airlines
Wed, Jun 10 - Wed, Jun 17
American Airlines Logo
9:50 am - 2:42 pm
MCI
-
HRL
4h 52m
1 stop
American Airlines Logo
5:54 am - 10:31 am
HRL
-
MCI
4h 37m
1 stop
$245American Airlines
Wed, Aug 5 - Tue, Aug 11
United Airlines Logo
6:16 am - 1:30 pm
MCI
-
HRL
7h 14m
1 stop
United Airlines Logo
5:10 am - 10:03 am
HRL
-
MCI
4h 53m
1 stop
$259United Airlines
Sat, Jul 11 - Wed, Jul 15
American Airlines Logo
6:05 am - 3:31 pm
MCI
-
HRL
9h 26m
2 stops
American Airlines Logo
5:40 am - 2:01 pm
HRL
-
MCI
8h 21m
2 stops
$265American Airlines
Tue, Nov 10 - Tue, Nov 17
Southwest Logo
7:45 pm - 11:55 pm
MCI
-
HRL
4h 10m
1 stop
Southwest Logo
2:10 pm - 7:20 pm
HRL
-
MCI
5h 10m
1 stop
$273Southwest
Sun, Jul 19 - Tue, Jul 28
Southwest Logo
6:25 pm - 11:00 pm
MCI
-
HRL
4h 35m
1 stop
Southwest Logo
10:10 am - 5:45 pm
HRL
-
MCI
7h 35m
1 stop
$278Southwest
Tue, Jul 7 - Sat, Jul 11
Southwest Logo
6:30 am - 11:00 am
MCI
-
HRL
4h 30m
1 stop
Southwest Logo
10:40 am - 3:25 pm
HRL
-
MCI
4h 45m
1 stop
$283Southwest
Fri, Jul 3 - Thu, Jul 9
United Airlines Logo
2:56 pm - 7:49 pm
MCI
-
HRL
4h 53m
1 stop
United Airlines Logo
5:10 am - 4:00 pm
HRL
-
MCI
10h 50m
2 stops
$288United Airlines
Sat, Jul 18 - Tue, Jul 28

Southwest flights from Missouri to Harlingen

Our best Southwest deals on Missouri to Harlingen flight tickets
Southwest
Jul 19
MCI7:45 pmKansas City
4h 10m
1 stop
HRL11:55 pmHarlingen Valley Intl
Jul 28
HRL2:10 pmHarlingen Valley Intl
5h 10m
1 stop
MCI7:20 pmKansas City
$273
Southwest
Jul 7
MCI6:25 pmKansas City
4h 35m
1 stop
HRL11:00 pmHarlingen Valley Intl
Jul 11
HRL10:10 amHarlingen Valley Intl
7h 35m
1 stop
MCI5:45 pmKansas City
$278
Southwest
Jul 3
MCI6:30 amKansas City
4h 30m
1 stop
HRL11:00 amHarlingen Valley Intl
Jul 9
HRL10:40 amHarlingen Valley Intl
4h 45m
1 stop
MCI3:25 pmKansas City
$283

United Airlines flights from Missouri to Harlingen

Our best United Airlines deals on Missouri to Harlingen flight tickets
United Airlines
Nov 10
MCI4:30 pmKansas City
5h 14m
1 stop
HRL9:44 pmHarlingen Valley Intl
Nov 17
HRL5:10 amHarlingen Valley Intl
9h 21m
2 stops
MCI2:31 pmKansas City
$222
United Airlines
Jul 11
MCI6:16 amKansas City
7h 14m
1 stop
HRL1:30 pmHarlingen Valley Intl
Jul 15
HRL5:10 amHarlingen Valley Intl
4h 53m
1 stop
MCI10:03 amKansas City
$259
United Airlines
Jul 18
MCI2:56 pmKansas City
4h 53m
1 stop
HRL7:49 pmHarlingen Valley Intl
Jul 28
HRL5:10 amHarlingen Valley Intl
10h 50m
2 stops
MCI4:00 pmKansas City
$288

momondo Fare Finder

 
Customize your flight search to find flights from Missouri 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 May 14, 2026.
Use the filters below to find and compare flights from Missouri 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

Tue 11/10

4:30 pm-9:44 pm

1 stop5h 14m

Harlingen Valley Intl

Tue 11/17

5:10 am-2:31 pm

2 stops9h 21m

$222

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 11/10

11:15 am-3:31 pm

1 stop4h 16m

Harlingen Valley Intl

Tue 11/17

5:40 am-10:20 am

1 stop4h 40m

$232
Quickest round-trip

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 6/10

7:48 pm-12:14 am

1 stop4h 26m

Harlingen Valley Intl

Wed 6/17

8:04 pm-12:25 am

1 stop4h 21m

$242

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 8/5

9:50 am-2:42 pm

1 stop4h 52m

Harlingen Valley Intl

Tue 8/11

5:54 am-10:31 am

1 stop4h 37m

$245

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 7/11

6:16 am-1:30 pm

1 stop7h 14m

Harlingen Valley Intl

Wed 7/15

5:10 am-10:03 am

1 stop4h 53m

$259

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 11/10

6:05 am-3:31 pm

2 stops9h 26m

Harlingen Valley Intl

Tue 11/17

5:40 am-2:01 pm

2 stops8h 21m

$265

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sun 7/19

7:45 pm-11:55 pm

1 stop4h 10m

Harlingen Valley Intl

Tue 7/28

2:10 pm-7:20 pm

1 stop5h 10m

$273

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 7/7

6:25 pm-11:00 pm

1 stop4h 35m

Harlingen Valley Intl

Sat 7/11

10:10 am-5:45 pm

1 stop7h 35m

$278

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Fri 7/3

6:30 am-11:00 am

1 stop4h 30m

Harlingen Valley Intl

Thu 7/9

10:40 am-3:25 pm

1 stop4h 45m

$283

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Sat 7/18

2:56 pm-7:49 pm

1 stop4h 53m

Harlingen Valley Intl

Tue 7/28

5:10 am-4:00 pm

2 stops10h 50m

$288

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Harlingen from

How to get the cheapest flight ticket from Missouri 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 cheapest month to fly to Harlingen?

If you aren’t able to travel during the month of November, then book flights to Harlingen from Missouri during January instead. Flights to Harlingen in January, while not as cheap as those in November, still average around $199.

Cheap Missouri to Harlingen flight deals and tips

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

Fastest flight time

4h 35m

Direct flights

None
The fastest flight from Missouri to Harlingen takes 4h 35m
There are no direct flights from Missouri to Harlingen. There are no popular flight routes from Missouri to Harlingen.
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Frequently asked questions about flying from Missouri to Harlingen

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Missouri 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.

Best airlines flying from Missouri to Harlingen

Compare and see reviews for airlines that fly from Missouri to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
SouthwestPriceFrom $199Free CancellationRating
8.0
4,299 reviews
Search Southwest flights
American AirlinesPriceFrom $212Free CancellationRating
7.1
11,664 reviews
Search American Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Missouri to Harlingen. momondo saves you time and could save you money on your trip.

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

Flights from Missouri to Harlingen with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Missouri to Harlingen?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Harlingen from Missouri.

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

Yes momondo offers price alerts on flights to Harlingen from Missouri. 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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