San Francisco

$119+ Cheap flights from Harlingen, TX to San Francisco (HRL - SFO)

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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SFO
Jul 8 — Jul 151
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Cheap flight deals from Harlingen to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to San Francisco (SFO). 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 July 3, 2025.

Round-trip from

$237
(American Airlines)

One-way from

$177
(American Airlines)

Popular in

April

Cheapest in

August

Average price

$382
From Harlingen Valley Intl to San Francisco
One-way flight from Harlingen Valley Intl to San Francisco
Highest demand for flights based on searches. 19% potential increase in price ($97 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($23 potential savings vs. average RT price).
Average for round-trip flights in July 2025

Find flight deals from Harlingen to San Francisco

Cheapest flights from Harlingen to San Francisco
Explore the most affordable flight options available from Harlingen to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 9/126:35 pmHRL - SFO
1 stop6h 40mAmerican Airlines
Mon 9/155:45 amSFO - HRL
1 stop6h 34mAmerican Airlines
Deal found 7/3$237
This United Airlines deal was found by Cheapflights users on 7/3. 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.
Fri 9/125:20 pmHRL - SFO
1 stop8h 39mUnited Airlines
Mon 9/155:00 amSFO - HRL
1 stop6h 30mUnited Airlines
Deal found 7/3$375

Cheapflights Fare Finder

Customize your flight search to find flights from Harlingen to San Francisco 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 July 3, 2025.
Use the filters below to find and compare flights from Harlingen to San Francisco that are best for you.

Fly from

Harlingen

Fly to

San Francisco

Route

Depart

Return

Price

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Fri 9/12

6:35 pm-11:15 pm

1 stop6h 40m

San Francisco

Mon 9/15

5:45 am-2:19 pm

1 stop6h 34m

$237

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Fri 9/12

5:20 pm-11:59 pm

1 stop8h 39m

San Francisco

Mon 9/15

5:00 am-1:30 pm

1 stop6h 30m

$375

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Sat 10/4

2:51 pm-7:16 pm

1 stop6h 25m

$119

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 7/16

5:20 pm-11:09 pm

1 stop7h 49m

$222

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Tue 7/15

6:05 pm-11:25 pm

2 stops7h 20m

$295

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Best time to book a flight from Harlingen to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco 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 San Francisco

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

Currently, January is the cheapest month in which you can book a flight from Harlingen, Texas to San Francisco (average of $276). Flying from Harlingen, Texas to San Francisco in June is currently the most expensive (average of $360). 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 HRL to SFO?

Find hourly flight availability from Harlingen to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 3, 2025.

One of the essential ways to save on airfare from Harlingen, Texas to San Francisco is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 30% on airfare.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 3, 2025.
Read through reviews of airlines operating flights from Harlingen to San Francisco, such as Southwest, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Overall

8.0

Food

7.0

Comfort

8.0

Boarding

8.2

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Related info for your journey

Find useful and relevant information for your journey from Harlingen to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines flying from Harlingen, Texas to San Francisco round-trip?

    Our cheapest airline available from Harlingen, Texas to San Francisco is American Airlines. Our recent data shows that you can find tickets from as low as $237 on this airline. An additional option worth looking into is United Airlines, starting at $375. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $177. Users have also found prices from $222 and $295 on United Airlines and Southwest, respectively.

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

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

  • How can I find direct flights from Harlingen to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Harlingen to San Francisco 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 San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Harlingen, Texas to San Francisco (average of $276). Flying from Harlingen, Texas to San Francisco in June is currently the most expensive (average of $360). 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

Traveling to a place near Harlingen?

Book flights to Harlingen if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Antioch
Hollister
Newark
Alameda
Hayward
Milpitas
Sunnyvale
Daly City
Campbell
Foster City
Capitola
Richmond

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Harlingen to San Francisco

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

Top 2 airlines flying from Harlingen to San Francisco

Discover the top 2 airlines that operate flights from Harlingen to San Francisco. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$326Average$382FlexibilityNo cancel feeOn-time69%

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