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$225+ Cheap flights from Harlingen, TX to Oakland, CA (HRL - OAK)

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 3/29. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — OAK
Apr 19 — Apr 261
Sun 4/19
Sun 4/26
1 adult, Economy
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Cheap flight deals from Harlingen to Oakland

Cheapest flights from Harlingen to Oakland
Explore the most affordable flight options available from Harlingen to Oakland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 20, 2026.

This Southwest deal was found by Cheapflights users on 3/18. 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.
Wed 7/15:00 pm
HRL
-
OAK
2 stops7h 25m
Southwest
Wed 7/152:50 pm
OAK
-
HRL
1 stop6h 10m
Southwest
Deal found 3/18$363
This Southwest deal was found by Cheapflights users on 3/20. 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 4/46:10 am
HRL
-
OAK
2 stops9h 45m
Southwest
Wed 4/87:40 am
OAK
-
HRL
1 stop6h 20m
Southwest
Deal found 3/20$393
This Southwest deal was found by Cheapflights users on 3/18. 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 4/210:50 am
HRL
-
OAK
1 stop7h 40m
Southwest
Mon 4/612:25 pm
OAK
-
HRL
2 stops9h 40m
Southwest
Deal found 3/18$588

Find flight deals from Harlingen to Oakland

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to Oakland (OAK). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$363
(Southwest)

One-way from

$225
(Southwest)

Popular in

April

Cheapest in

October

Average price

$508
Provider with most accurate pricing for Harlingen Valley Intl-Oakland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-Oakland flights.
Search Deals
From Harlingen Valley Intl to Oakland
Search Deals
One-way flight from Harlingen Valley Intl to Oakland
Search Deals
Highest demand for flights based on searches. 23% potential increase in price ($116 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Harlingen to Oakland 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 March 20, 2026.
Use the filters below to find and compare flights from Harlingen to Oakland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HarlingenOakland

HRL - OAK

HRLOAK

Harlingen Valley Intl

Wed 7/1

2:10 pm-8:05 pm

2 stops7h 55m

Oakland

Wed 7/15

6:05 am-11:00 pm

2 stops14h 55m

$374
Quickest round-trip

HarlingenOakland

HRL - OAK

HRLOAK

Harlingen Valley Intl

Sat 4/4

6:10 am-1:55 pm

2 stops9h 45m

Oakland

Wed 4/8

7:40 am-4:00 pm

1 stop6h 20m

$393

HarlingenOakland

HRL - OAK

HRLOAK

Harlingen Valley Intl

Thu 4/2

10:50 am-4:30 pm

1 stop7h 40m

Oakland

Mon 4/6

12:25 pm-12:05 am

2 stops9h 40m

$588

HarlingenOakland

HRL - OAK

HRLOAK

Harlingen Valley Intl

Thu 4/9

4:04 pm-11:46 pm

2 stops33h 42m

Oakland

Mon 4/13

5:04 pm-3:05 pm

2 stops20h 01m

$853
Cheapest one-way
Quickest one-way

HarlingenOakland

HRL - OAK

HRLOAK

Harlingen Valley Intl

Sun 3/29

5:30 am-2:25 pm

1 stop10h 55m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Sorted by cheapest first

Compare providers for flights from Harlingen to Oakland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Harlingen to Oakland in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Harlingen, Texas-Oakland, California flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-Oakland, California flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-Oakland, California flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-Oakland, California flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Harlingen, Texas-Oakland, California flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Harlingen to Oakland

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

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

Currently, October is the cheapest month in which you can book a flight from Harlingen, Texas to Oakland, California (average of $123). Flying from Harlingen, Texas to Oakland, California in November is currently the most expensive (average of $326). 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

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

  • How long is the flight from Harlingen, Texas to Oakland, California?

    There are many flights that can get you from Harlingen, Texas to Oakland, California in 7h 55m. Fly via Southwest to get the fastest option. Harlingen, Texas and Oakland, California are separated by a distance of 1635 mi.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Harlingen, Texas to Oakland, California (average of $123). Flying from Harlingen, Texas to Oakland, California in November is currently the most expensive (average of $326). 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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