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 month to fly from Oakland, California to Harlingen, Texas?

October is one of the best times of the year to fly to Harlingen, Texas from Oakland, California. Prices for October average $417 per person but you can even find prices for as low as $241. The most expensive prices can be found in the month of December. Opting for a October flight can save you 63% on your journey compared to booking in December

What is the cheapest time of day to fly from OAK to HRL?

When flying from Oakland, California to Harlingen, Texas, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

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

How can I find direct flights from Oakland to Harlingen?

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

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

Yes. Cheapflights offers flight deals from Oakland 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.

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Cheap flight deals from Oakland to Harlingen

Popular in	December
Cheapest in	October
Average price	$367

Highest demand for flights based on searches. 15% potential increase in price ($78 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($25 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Best time to book a flight from Oakland to Harlingen

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Estimated round-trip price

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Everything you need to know about your flight from Oakland to Harlingen

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

Currently, April is the cheapest month in which you can book a flight from Oakland, California to Harlingen, Texas (average of $267). Flying from Oakland, California to Harlingen, Texas in June is currently the most expensive (average of $390). 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.

Related info for your journey

Can I find deals for flights from Oakland to Harlingen that include hotel bookings?
Yes. In addition to deals on Oakland to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Oakland to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Harlingen.
Can I find deals for business class flights from Oakland to Harlingen?
Yes. Cheapflights offers flight deals from Oakland 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 Oakland, California to Harlingen, Texas?
Currently, April is the cheapest month in which you can book a flight from Oakland, California to Harlingen, Texas (average of $267). Flying from Oakland, California to Harlingen, Texas in June is currently the most expensive (average of $390). 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.

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Find cheap flights from Oakland to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oakland to Harlingen

Popular in

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Best time to book a flight from Oakland to Harlingen

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

Cheapflights Insights

Everything you need to know about your flight from Oakland to Harlingen

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

Related info for your journey

Find useful and relevant information for your journey from Oakland 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 Oakland to Harlingen that include hotel bookings?

How can I find direct flights from Oakland to Harlingen?

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

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

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Other flights to Harlingen

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Cheap flights from Oakland, CA to Harlingen, TX (OAK - HRL)

Find cheap flights from Oakland to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Oakland to Harlingen

Popular in

Cheapest in

Average price

Best time to book a flight from Oakland to Harlingen

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

Cheapflights Insights

Everything you need to know about your flight from Oakland to Harlingen

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

Related info for your journey

Find useful and relevant information for your journey from Oakland 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 Oakland to Harlingen that include hotel bookings?

How can I find direct flights from Oakland to Harlingen?

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

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

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 Oakland to Harlingen

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

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Travel Smart