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Cheap flights from Missouri to Harlingen from $137

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 1/1. 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 Missouri to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
6:25 am - 11:35 amMCI  Kansas City-HRL Harlingen Valley Intl
5h 10m2 stops Dallas Love Field Austin Bergstrom
Southwest Logo
3:25 pm - 8:45 pmHRL  Harlingen Valley Intl-MCI Kansas City
5h 20m1 stop Dallas Love Field
$198Southwest
Tue, Sep 8 - Tue, Sep 15
Southwest Logo
6:25 am - 11:35 amMCI  Kansas City-HRL Harlingen Valley Intl
5h 10m2 stops Dallas Love Field Austin Bergstrom
Southwest Logo
4:25 pm - 11:15 pmHRL  Harlingen Valley Intl-MCI Kansas City
6h 50m2 stops Houston Hobby Denver Intl
$204Southwest
Tue, Sep 8 - Tue, Sep 15
American Airlines Logo
5:28 am - 9:58 amMCI  Kansas City-HRL Harlingen Valley Intl
4h 30m1 stop Dallas/Fort Worth
American Airlines Logo
5:51 am - 12:18 pmHRL  Harlingen Valley Intl-MCI Kansas City
6h 27m1 stop Dallas/Fort Worth
$207American Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
11:30 am - 9:44 pmMCI  Kansas City-HRL Harlingen Valley Intl
10h 14m2 stops Chicago O'Hare Intl Houston George Bush Intcntl
United Airlines Logo
5:16 pm - 10:07 pmHRL  Harlingen Valley Intl-MCI Kansas City
4h 51m1 stop Houston George Bush Intcntl
$212United Airlines
Tue, Jan 19 - Sat, Jan 23
Southwest Logo
5:30 am - 10:50 amMCI  Kansas City-HRL Harlingen Valley Intl
5h 20m2 stops Houston Hobby Austin Bergstrom
Southwest Logo
5:55 pm - 10:20 pmHRL  Harlingen Valley Intl-MCI Kansas City
4h 25m1 stop Austin Bergstrom
$213Southwest
Sat, Sep 12 - Thu, Sep 17
Southwest Logo
9:55 am - 6:55 pmMCI  Kansas City-HRL Harlingen Valley Intl
9h 00m1 stop Austin Bergstrom
Southwest Logo
5:55 pm - 10:20 pmHRL  Harlingen Valley Intl-MCI Kansas City
4h 25m1 stop Austin Bergstrom
$214Southwest
Sat, Sep 12 - Thu, Sep 17
American Airlines Logo
5:20 am - 10:13 amMCI  Kansas City-HRL Harlingen Valley Intl
4h 53m1 stop Dallas/Fort Worth
American Airlines Logo
10:43 am - 4:30 pmHRL  Harlingen Valley Intl-MCI Kansas City
5h 47m1 stop Dallas/Fort Worth
$216American Airlines
Tue, Jan 19 - Sat, Jan 23
American Airlines Logo
11:31 am - 4:58 pmMCI  Kansas City-HRL Harlingen Valley Intl
5h 27m1 stop Dallas/Fort Worth
American Airlines Logo
5:51 am - 12:18 pmHRL  Harlingen Valley Intl-MCI Kansas City
6h 27m1 stop Dallas/Fort Worth
$224American Airlines
Sat, Sep 19 - Sat, Sep 26
United Airlines Logo
6:15 am - 1:24 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
7h 09m1 stop Houston George Bush Intcntl
United Airlines Logo
5:16 pm - 10:06 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
4h 50m1 stop Houston George Bush Intcntl
$228United Airlines
Fri, Jan 1 - Thu, Jan 7
United Airlines Logo
6:15 am - 1:24 pmSTL  Lambert-St Louis-HRL Harlingen Valley Intl
7h 09m1 stop Houston George Bush Intcntl
United Airlines Logo
5:16 pm - 10:06 pmHRL  Harlingen Valley Intl-STL Lambert-St Louis
4h 50m1 stop Houston George Bush Intcntl
$245United Airlines
Fri, Jan 1 - Thu, Jan 7

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Southwest flights from Missouri to Harlingen

Our best Southwest deals on Missouri to Harlingen flight tickets
Southwest
Sep 8
MCI6:25 amKansas City
5h 10m
2 stops
HRL11:35 amHarlingen Valley Intl
Sep 15
HRL3:25 pmHarlingen Valley Intl
5h 20m
1 stop
MCI8:45 pmKansas City
$198
Southwest
Sep 8
MCI6:25 amKansas City
5h 10m
2 stops
HRL11:35 amHarlingen Valley Intl
Sep 15
HRL4:25 pmHarlingen Valley Intl
6h 50m
2 stops
MCI11:15 pmKansas City
$204
Southwest
Sep 12
MCI5:30 amKansas City
5h 20m
2 stops
HRL10:50 amHarlingen Valley Intl
Sep 17
HRL5:55 pmHarlingen Valley Intl
4h 25m
1 stop
MCI10:20 pmKansas City
$213

American Airlines flights from Missouri to Harlingen

Our best American Airlines deals on Missouri to Harlingen flight tickets
American Airlines
Sep 19
MCI5:28 amKansas City
4h 30m
1 stop
HRL9:58 amHarlingen Valley Intl
Sep 26
HRL5:51 amHarlingen Valley Intl
6h 27m
1 stop
MCI12:18 pmKansas City
$207
American Airlines
Jan 19
MCI5:20 amKansas City
4h 53m
1 stop
HRL10:13 amHarlingen Valley Intl
Jan 23
HRL10:43 amHarlingen Valley Intl
5h 47m
1 stop
MCI4:30 pmKansas City
$216
American Airlines
Sep 19
MCI11:31 amKansas City
5h 27m
1 stop
HRL4:58 pmHarlingen Valley Intl
Sep 26
HRL5:51 amHarlingen Valley Intl
6h 27m
1 stop
MCI12:18 pmKansas City
$224

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 August 13, 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 Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Tue 9/8

6:25 am-11:35 am

2 stops5h 10m

Harlingen Valley Intl

Tue 9/15

3:25 pm-8:45 pm

1 stop5h 20m

$198

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Tue 9/8

6:25 am-11:35 am

2 stops5h 10m

Harlingen Valley Intl

Tue 9/15

4:25 pm-11:15 pm

2 stops6h 50m

$204

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Sat 9/19

5:28 am-9:58 am

1 stop4h 30m

Harlingen Valley Intl

Sat 9/26

5:51 am-12:18 pm

1 stop6h 27m

$207

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Tue 1/19

11:30 am-9:44 pm

2 stops10h 14m

Harlingen Valley Intl

Sat 1/23

5:16 pm-10:07 pm

1 stop4h 51m

$212
Quickest round-trip

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Sat 9/12

5:30 am-10:50 am

2 stops5h 20m

Harlingen Valley Intl

Thu 9/17

5:55 pm-10:20 pm

1 stop4h 25m

$213

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Sat 9/12

9:55 am-6:55 pm

1 stop9h 00m

Harlingen Valley Intl

Thu 9/17

5:55 pm-10:20 pm

1 stop4h 25m

$214

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Tue 1/19

5:20 am-10:13 am

1 stop4h 53m

Harlingen Valley Intl

Sat 1/23

10:43 am-4:30 pm

1 stop5h 47m

$216

Kansas CityHarlingen

MCI Kansas City - HRL Harlingen Valley Intl

MCIHRL

Kansas City

Sat 9/19

11:31 am-4:58 pm

1 stop5h 27m

Harlingen Valley Intl

Sat 9/26

5:51 am-12:18 pm

1 stop6h 27m

$224

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Fri 1/1

6:15 am-1:24 pm

1 stop7h 09m

Harlingen Valley Intl

Thu 1/7

5:16 pm-10:06 pm

1 stop4h 50m

$228

St. LouisHarlingen

STL Lambert-St Louis - HRL Harlingen Valley Intl

STLHRL

Lambert-St Louis

Fri 1/1

6:15 am-1:24 pm

1 stop7h 09m

Harlingen Valley Intl

Thu 1/7

5:16 pm-10:06 pm

1 stop4h 50m

$245

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 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 January, then book flights to Harlingen from Missouri 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 Missouri to Harlingen flights?

You could potentially save up to 35% on your flight if you consider stops on a Missouri to Harlingen flight.

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

3h 55m

Direct flights

None
The fastest flight from Missouri to Harlingen takes 3h 55m
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
4,217 reviews
Search Southwest flights
American AirlinesPriceFrom $212Free CancellationRating
7.1
11,921 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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