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$164+ 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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SFO
Dec 7 — Dec 141
Sun 12/7
Sun 12/14
1 adult, Economy
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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 November 7, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$242
(American Airlines)

One-way from

$164
(United Airlines)

Popular in

April

Cheapest in

September

Average price

$326
Provider with most accurate pricing for Harlingen Valley Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Harlingen Valley Intl-San Francisco flights.
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From Harlingen Valley Intl to San Francisco
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One-way flight from Harlingen Valley Intl to San Francisco
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Highest demand for flights based on searches. 20% potential increase in price ($101 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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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 November 7, 2025.

This American Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/56:10 pmHRL - SFO
1 stop7h 15mAmerican Airlines
Sun 12/711:59 pmSFO - HRL
1 stop7h 42mAmerican Airlines
Deal found 11/5$242
This United Airlines deal was found by Cheapflights users on 11/4. 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 11/265:00 pmHRL - SFO
1 stop9h 12mUnited Airlines
Fri 11/285:15 amSFO - HRL
1 stop8h 44mUnited Airlines
Deal found 11/4$312
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/106:10 pmHRL - SFO
1 stop7h 15mAmerican Airlines
Tue 1/1310:11 amSFO - HRL
1 stop6h 03mAmerican Airlines
Deal found 11/3$326
This United Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/155:00 pmHRL - SFO
1 stop8h 59mUnited Airlines
Wed 1/145:00 amSFO - HRL
1 stop9h 06mUnited Airlines
Deal found 11/3$327
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/1512:13 pmHRL - SFO
2 stops10h 10mAmerican Airlines
Mon 1/1212:17 amSFO - HRL
1 stop8h 19mAmerican Airlines
Deal found 11/3$332
This American Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 12/34:02 pmHRL - SFO
1 stop9h 23mAmerican Airlines
Thu 12/112:05 pmSFO - HRL
1 stop6h 46mAmerican Airlines
Deal found 11/6$338
This American Airlines deal was found by Cheapflights users on 11/3. 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.
Wed 12/105:36 amHRL - SFO
2 stops9h 57mAmerican Airlines
Thu 1/158:00 amSFO - HRL
1 stop8h 14mAmerican Airlines
Deal found 11/3$352
This American Airlines deal was found by Cheapflights users on 11/3. 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 12/124:02 pmHRL - SFO
1 stop9h 23mAmerican Airlines
Sun 1/116:00 amSFO - HRL
1 stop6h 46mAmerican Airlines
Deal found 11/3$353

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 November 7, 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

Sun 12/14

8:04 pm-12:34 am

1 stop6h 30m

San Francisco

Thu 1/15

8:00 am-6:14 pm

1 stop8h 14m

$326

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 11/26

5:00 pm-12:12 am

1 stop9h 12m

San Francisco

Fri 11/28

5:15 am-3:59 pm

1 stop8h 44m

$326

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Mon 11/24

12:10 pm-5:47 pm

1 stop7h 37m

San Francisco

Fri 12/5

11:59 pm-11:04 am

1 stop9h 05m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Thu 12/11

5:00 pm-11:59 pm

1 stop8h 59m

San Francisco

Wed 1/14

1:19 pm-9:59 pm

1 stop6h 40m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Mon 12/15

5:00 pm-11:59 pm

1 stop8h 59m

San Francisco

Mon 1/12

1:19 pm-9:59 pm

1 stop6h 40m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Mon 12/15

5:00 pm-11:59 pm

1 stop8h 59m

San Francisco

Sun 1/11

5:00 am-4:06 pm

1 stop9h 06m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 12/17

7:00 am-12:09 pm

1 stop7h 09m

San Francisco

Tue 12/23

11:59 pm-11:13 am

1 stop9h 14m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Mon 12/15

5:00 pm-11:59 pm

1 stop8h 59m

San Francisco

Wed 1/14

5:00 am-4:06 pm

1 stop9h 06m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Tue 12/16

7:00 am-12:09 pm

1 stop7h 09m

San Francisco

Sun 1/11

5:00 am-4:06 pm

1 stop9h 06m

$327

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Tue 12/16

5:00 pm-11:59 pm

1 stop8h 59m

San Francisco

Tue 12/23

11:59 pm-11:13 am

1 stop9h 14m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 21 results
1
2
3

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 November.
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 $334). 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 November 7, 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 November 7, 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
9,007 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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
9,007 reviews
United Airlines
7.4
Good
9,007 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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
11,040 reviews
United Airlines
7.4
Good
9,007 reviews

Overall

7.4

Entertainment

7.1

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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?

    American Airlines and United Airlines can get you from Harlingen, Texas to San Francisco in just under 6h 30m. Your travel time can differ by up to 2h 42m. The distance from Harlingen, Texas to San Francisco is about 1641 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 59% 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 $334). 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
Vallejo
Hollister
San Bruno
Foster City
Redwood City
Union City
Burlingame
Lodi
San Mateo
Vacaville
Lathrop

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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 November 7, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$158Average$400FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$326Average$382FlexibilityNo cancel feeOn-time69%

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