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 is the cheapest time of day to fly from ILM to HRL?

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

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

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

How can I find direct flights from Wilmington to Harlingen?

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

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

Yes. Cheapflights offers flight deals from Wilmington 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.

Find Cheap Flights from Wilmington to Harlingen, TX

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Best time to book a flight from Wilmington to Harlingen

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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.

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with American Airlines from Wilmington 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.

American Airlines

7.2

Good

11,043 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

American Airlines

7.2

Good

11,043 reviews

American Airlines

7.2

Good

11,043 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Jan 2025

PIT - DFW

Related info for your journey

Can I find deals for flights from Wilmington to Harlingen that include hotel bookings?
Yes. In addition to deals on Wilmington to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Wilmington to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Wilmington to Harlingen.
Can I find deals for business class flights from Wilmington to Harlingen?
Yes. Cheapflights offers flight deals from Wilmington 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.

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Wilmington to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$575	Average$737	FlexibilityNo cancel fee	On-time71%

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Find cheap flights from Wilmington to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Wilmington to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Wilmington with our price prediction graph.

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with American Airlines from Wilmington 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 Wilmington to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Wilmington to Harlingen?

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

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 Wilmington to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Wilmington to Harlingen by cabin class

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Other flights to Harlingen

Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on October 16, 2025.

Wilmington and Harlingen flights

Browse other Wilmington and Harlingen flight options. Last updated on October 16, 2025.

Other flights from Wilmington

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Cheap flights from Wilmington to Harlingen, TX (ILM - HRL)

Find cheap flights from Wilmington to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Best time to book a flight from Wilmington to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from Wilmington with our price prediction graph.

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with American Airlines from Wilmington 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 Wilmington to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

How can I find direct flights from Wilmington to Harlingen?

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

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 Wilmington to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Wilmington to Harlingen

100% Free

Book with Flexibility

Travel Smart