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$118+ 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SFO
Jan 8 — Jan 151
Thu 1/8
Thu 1/15
1 adult, Economy
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Cheap 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 December 9, 2025.

This American Airlines deal was found by Cheapflights users on 12/5. 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.
Sun 12/218:11 pmHRL - SFO
1 stop6h 21mAmerican Airlines
Thu 12/2510:11 amSFO - HRL
1 stop7h 05mAmerican Airlines
Deal found 12/5$442
This Southwest deal was found by Cheapflights users on 12/6. 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.
Mon 12/87:30 amHRL - SFO
1 stop7h 55mSouthwest
Thu 12/1112:30 pmSFO - HRL
1 stop6h 35mSouthwest
Deal found 12/6$519
This American Airlines deal was found by Cheapflights users on 12/6. 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.
Mon 12/228:11 pmHRL - SFO
1 stop6h 21mAmerican Airlines
Fri 12/2611:59 pmSFO - HRL
1 stop7h 41mAmerican Airlines
Deal found 12/6$531
This United Airlines deal was found by Cheapflights users on 12/8. 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.
Tue 12/237:00 amHRL - SFO
1 stop7h 14mUnited Airlines
Sat 12/275:15 amSFO - HRL
1 stop8h 51mUnited Airlines
Deal found 12/8$629
This American Airlines deal was found by Cheapflights users on 12/8. 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.
Tue 12/2310:12 amHRL - SFO
2 stops11h 06mAmerican Airlines
Sat 12/2711:59 pmSFO - HRL
1 stop7h 41mAmerican Airlines
Deal found 12/8$681
This United Airlines deal was found by Cheapflights users on 12/6. 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.
Wed 12/1012:16 pmHRL - SFO
1 stop6h 30mUnited Airlines
Wed 12/176:30 amSFO - HRL
2 stops13h 24mUnited Airlines
Deal found 12/6$690

Find 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 December 9, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$327
(United Airlines)

One-way from

$118
(American Airlines)

Popular in

April

Cheapest in

October

Average price

$483
Provider with most accurate pricing for Harlingen Valley Intl-San Francisco flight deals.
Search Deals
Provider most trusted by Cheapflights users for Harlingen Valley Intl-San Francisco flights.
Search Deals
From Harlingen Valley Intl to San Francisco
Search Deals
One-way flight from Harlingen Valley Intl to San Francisco
Search Deals
Highest demand for flights based on searches. 24% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 9, 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

Wed 1/7

5:25 pm-11:59 pm

1 stop8h 34m

San Francisco

Mon 1/19

12:43 am-11:26 am

1 stop8h 43m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 1/7

5:25 pm-11:59 pm

1 stop8h 34m

San Francisco

Sat 1/17

1:19 pm-9:59 pm

1 stop6h 40m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 1/7

5:25 pm-11:59 pm

1 stop8h 34m

San Francisco

Thu 1/15

12:43 am-11:26 am

1 stop8h 43m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 1/7

5:25 pm-10:59 pm

1 stop7h 34m

San Francisco

Sun 1/18

12:43 am-11:26 am

1 stop8h 43m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Sat 2/14

5:20 pm-10:58 pm

1 stop7h 38m

San Francisco

Tue 2/17

5:00 am-4:04 pm

1 stop9h 04m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 1/7

5:25 pm-11:59 pm

1 stop8h 34m

San Francisco

Tue 1/20

12:43 am-11:26 am

1 stop8h 43m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 1/7

9:20 am-8:06 pm

2 stops12h 46m

San Francisco

Sat 1/17

12:43 am-11:26 am

1 stop8h 43m

$392

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Thu 2/26

8:07 pm-12:41 am

1 stop6h 34m

$118

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Fri 2/6

5:25 pm-11:59 pm

1 stop8h 34m

$119

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Thu 2/26

3:30 pm-10:40 pm

2 stops9h 10m

$155

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/6

Showing 1-10 of 15 results
1
2

Compare providers for flights from Harlingen to San Francisco

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 San Francisco in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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-San Francisco flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Harlingen, Texas-San Francisco flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Harlingen, Texas-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Harlingen, Texas-San Francisco flights, Cheapflights users trust eDreams the most. eDreams 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-San Francisco 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 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, October is the cheapest month in which you can book a flight from Harlingen, Texas to San Francisco (average of $123). Flying from Harlingen, Texas to San Francisco in March is currently the most expensive (average of $411). 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 December 9, 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 evening 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 December 9, 2025.
Read through reviews of airlines operating flights from Harlingen to San Francisco, such as United Airlines and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,089 reviews

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
United Airlines
7.4
Good
9,089 reviews
United Airlines
7.4
Good
9,089 reviews

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.
American Airlines
7.2
Good
11,045 reviews
United Airlines
7.4
Good
9,089 reviews

Food

6.6

Crew

8.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

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.

  • How long is the flight from Harlingen, Texas to San Francisco?

    United Airlines can get you from Harlingen, Texas to San Francisco in just under 8h 34m. Your travel time can differ by up to . The distance from Harlingen, Texas to San Francisco is about 1641 mi.

  • 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 $158 on this airline. An additional option worth looking into is United Airlines, starting at $326. American Airlines is 57% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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, October is the cheapest month in which you can book a flight from Harlingen, Texas to San Francisco (average of $123). Flying from Harlingen, Texas to San Francisco in March is currently the most expensive (average of $411). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
South San Francisco
Santa Cruz
Livermore
Turlock
Manteca
Watsonville
Sunnyvale
Santa Clara
San Bruno
Redwood City
Daly City
Vallejo
Hollister
Foster City
Union City
Davis
San Ramon
Burlingame
Milpitas

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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 December 9, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$406FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$326Average$382FlexibilityNo cancel feeOn-time69%

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