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Harlingen

$119+ Cheap flights from Missouri to Harlingen, TX (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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — HRL
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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Cheap flight deals from Missouri to Harlingen

Keep the following information in mind while searching for Missouri to Harlingen flight deals. Data was last updated June 18, 2025.

Round-trip from

$197
(Southwest)

One-way from

$119
(American Airlines)

Popular in

October

Cheapest in

September

Average price

$355
From Missouri to Harlingen Valley Intl
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One-way flight from Missouri 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 June 2025
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Find flight deals from Missouri to Harlingen

Cheapest flights from Missouri to Harlingen
Explore the most affordable flight options available from Missouri to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 18, 2025.

This Southwest deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/255:55 pmMCI - HRL
1 stop4h 20mSouthwest
Mon 9/295:45 pmHRL - MCI
1 stop5h 45mSouthwest
Deal found 6/18$197
This American Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/167:49 pmMCI - HRL
1 stop4h 17mAmerican Airlines
Wed 7/2310:07 amHRL - MCI
1 stop6h 52mAmerican Airlines
Deal found 6/16$237
This American Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:15 amSTL - HRL
1 stop4h 17mAmerican Airlines
Sat 9/66:30 pmHRL - STL
1 stop4h 20mAmerican Airlines
Deal found 6/18$251
This Delta deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/196:30 amSTL - HRL
1 stop7h 56mDelta
Sat 10/253:00 pmHRL - STL
1 stop8h 02mDelta
Deal found 6/16$254
This Southwest deal was found by Cheapflights users on 6/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/265:55 amSTL - HRL
1 stop4h 55mSouthwest
Sat 8/27:30 amHRL - STL
1 stop9h 05mSouthwest
Deal found 6/17$262
This United Airlines deal was found by Cheapflights users on 6/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:15 amMCI - HRL
1 stop4h 35mUnited Airlines
Mon 9/15:25 pmHRL - MCI
1 stop5h 01mUnited Airlines
Deal found 6/18$338
This United Airlines deal was found by Cheapflights users on 6/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/15:00 amSTL - HRL
2 stops8h 20mUnited Airlines
Sat 7/55:10 amHRL - STL
2 stops9h 27mUnited Airlines
Deal found 6/16$380

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
Use the filters below to find and compare flights from Missouri to Harlingen that are best for you.

Fly from

Missouri

Fly to

Harlingen

Route

Depart

Return

Price

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 7/16

7:49 pm-12:06 am

1 stop4h 17m

Harlingen Valley Intl

Wed 7/23

10:07 am-4:59 pm

1 stop6h 52m

$237

St. LouisHarlingen

STL - HRL

STLHRL

Lambert-St Louis

Sat 8/30

5:15 am-9:32 am

1 stop4h 17m

Harlingen Valley Intl

Sat 9/6

6:30 pm-10:50 pm

1 stop4h 20m

$251

St. LouisHarlingen

STL - HRL

STLHRL

Lambert-St Louis

Sat 7/26

5:55 am-10:50 am

1 stop4h 55m

Harlingen Valley Intl

Sat 8/2

7:30 am-4:35 pm

1 stop9h 05m

$262

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 7/16

11:55 am-5:30 pm

1 stop5h 35m

Harlingen Valley Intl

Wed 7/23

6:00 am-11:45 am

2 stops5h 45m

$295

St. LouisHarlingen

STL - HRL

STLHRL

Lambert-St Louis

Tue 7/1

5:00 am-1:20 pm

2 stops8h 20m

Harlingen Valley Intl

Sat 7/5

5:10 am-2:37 pm

2 stops9h 27m

$380

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Tue 7/1

8:25 am-1:20 pm

1 stop4h 55m

Harlingen Valley Intl

Sat 7/5

5:10 am-12:35 pm

2 stops7h 25m

$399

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 7/16

7:49 pm-12:06 am

1 stop4h 17m

$119

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Wed 7/16

5:05 am-11:25 am

2 stops6h 20m

$177

Kansas CityHarlingen

MCI - HRL

MCIHRL

Kansas City

Mon 6/30

5:40 pm-1:20 pm

2 stops19h 40m

$359

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

Best time to book a flight from Missouri to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Missouri 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 Missouri to Harlingen

What is the cheapest month to book a flight from Missouri to Harlingen, Texas?

Currently, April is the cheapest month in which you can book a flight from Missouri to Harlingen, Texas (average of $267). Flying from Missouri to Harlingen, Texas in June is currently the most expensive (average of $389). 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 MO to HRL?

Find hourly flight availability from Missouri 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 June 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Harlingen, Texas as you normally would.

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals 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

Plan your trip to Harlingen by taking into account the average temperature totals 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 insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated June 18, 2025.
Read through reviews of airlines operating flights from Missouri to Harlingen, such as Southwest, Delta and United Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

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
4,280 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

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.
Delta
8.0
Very good
7,964 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

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
8,810 reviews
Southwest
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

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
8.0
Very good
4,280 reviews

Entertainment

7.6

Comfort

8.0

Food

7.1

Boarding

8.2

Crew

8.6

Overall

8.0

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

Find useful and relevant information for your journey from Missouri to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Harlingen from Missouri?

    If you book a flight to Harlingen from Missouri, you will be flying to Valley Intl, which is the city’s only airport. Harlingen Valley Intl (HRL) is located 3.7 mi from the center of Harlingen.

  • What are the cheapest airlines to fly from Missouri to Harlingen, Texas one-way?

    The cheapest airlines for a one-way flight from Missouri to Harlingen, Texas are American Airlines ($119), Southwest ($177), and United Airlines ($359).

  • Can I find deals for flights from Missouri to Harlingen that include hotel bookings?

    Yes. In addition to deals on Missouri to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Harlingen?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Missouri to Harlingen.

  • Can I find deals for business class flights from Missouri to Harlingen?

    Yes. Cheapflights offers flight deals from Missouri 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 Missouri to Harlingen, Texas?

    Currently, April is the cheapest month in which you can book a flight from Missouri to Harlingen, Texas (average of $267). Flying from Missouri to Harlingen, Texas in June is currently the most expensive (average of $389). 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 4 airlines flying from Missouri to Harlingen

Discover the top 4 airlines that operate flights from Missouri to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
SouthwestCheapest$196Average$338FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$197Average$325FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$203Average$308FlexibilityNo cancel feeOn-time71%
DeltaCheapest$353Average$421FlexibilityNo cancel feeOn-timeN/A

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