$125 Cheap Flights from Oakland (OAK) to Harlingen (HRL)

View $125 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL)

Cheap Flights from Oakland to Harlingen (OAK-HRL)

Prices were available within the past 7 days and start at $125 for one-way flights and $237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$237 Roundtrip, found 6 days ago
$237
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $237 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$293 Roundtrip, found 6 days ago
$293
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $293 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$298 Roundtrip, found 6 days ago
$298
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $298 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$303 Roundtrip, found 6 days ago
$303
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $303 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$308 Roundtrip, found 6 days ago
$308
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $308 found 6 days ago
Southwest Airlines
Sun, Dec 7 - Sun, Dec 14
OAK
Oakland
HRL
Harlingen
$310 Roundtrip, found 6 days ago
$310
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Sun, Dec 7 from Oakland to Harlingen, returning Sun, Dec 14, priced at $310 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$313 Roundtrip, found 6 days ago
$313
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $313 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$317 Roundtrip, found 6 days ago
$317
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $317 found 6 days ago
Southwest Airlines
Mon, Dec 8 - Mon, Dec 15
OAK
Oakland
HRL
Harlingen
$327 Roundtrip, found 6 days ago
$327
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Mon, Dec 8 from Oakland to Harlingen, returning Mon, Dec 15, priced at $327 found 6 days ago
Delta
Tue, Mar 31 - Tue, Apr 14
OAK
Oakland
HRL
Harlingen
$498 Roundtrip, found 3 days ago
$498
Roundtrip
found 3 days ago
Select Delta flight, departing Tue, Mar 31 from Oakland to Harlingen, returning Tue, Apr 14, priced at $498 found 3 days ago

Alternative airports near Harlingen

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Valley Intl. HRL. Cheapest and Closest option available. Average driving time to city center is 7 minutes. Flights from $433
HRL
Valley Intl.
CheapestClosest
Average driving time to city center7 min
Flights from $433
Flights from Oakland (OAK) to Harlingen (HRL)
Origin airport
Oakland Intl.
Destination airport
Valley Intl.
Airlines serving
Delta, Southwest Airlines
Roundtrip price
$236
Distance
1636 mi

Oakland to Harlingen Flights

The cheapest times to fly from Oakland to Harlingen

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Oakland to Harlingen are during the month of December. You can find some of the cheapest flights from Oakland to Harlingen with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Oakland to Harlingen

Sunday is one of the best days to book for cheap flights from Oakland to Harlingen: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Oakland to Harlingen

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Oakland to Harlingen in 2025. You can also book with separate airlines for your outbound and return journeys, from $125 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Oakland to Harlingen flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Oakland to Harlingen airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL) cost?
Secure a cheap one-way flight from $125 or cheap return flight from $237 from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL)?
The cheapest month to fly from OAK to HRL is December, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll fly you from OAK to HRL. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL)?
Direct flights from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL) aren't available daily, so you'll need to take a flight with a layover. Explore your options with our filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from OAK to HRL?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL)?
Opt for a flight from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL) last-minute?
Booking your plane ticket from OAK to HRL right before your journey is usually more expensive. But if you're flexible with your travel dates and times, you could score a cheap last-minute fare.
Is it cheaper to book an OAK to HRL flight and hotel package?
Securing an OAK to HRL flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Pick from our wide range of accommodations and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Oakland Intl. Airport (OAK) to Valley Intl. Airport (HRL)?
If you booked your OAK to HRL flight in the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

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*Available to One Key members.