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 39m. Your travel time can differ by up to 16m. 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 $236 on this airline. An additional option worth looking into is United Airlines, starting at $326. American Airlines is 38% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Harlingen, Texas to San Francisco?

Travelers seeking maximum savings on their Harlingen, Texas to San Francisco flight should consider departing on Friday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

What is the cheapest day to fly round-trip from Harlingen, Texas to San Francisco?

Users have found that flying from Harlingen, Texas to San Francisco on a Monday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Harlingen, Texas to San Francisco?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, September can be a great choice for travel to San Francisco. Flights to San Francisco from Harlingen, Texas in September are about $387 on average during September, but can be found for as low as $163.

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.

$382+ Flights from Harlingen, TX to San Francisco

Q: How much does it cost to fly round-trip from Harlingen, Texas to San Francisco?

Airfare is above average for this route at the moment. Harlingen, Texas to San Francisco flights typically cost between $179 and $217 in September. The cheapest round-trip price found within the last 3 days was $382 on American Airlines (Sep 28-Oct 2).

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Cheap flight deals from Harlingen to San Francisco

Round-trip from	$382 (American Airlines)
Popular in	April
Cheapest in	September
Average price	$198

From Harlingen Valley Intl to San Francisco

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. 6% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2025

Search Deals

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 September 13, 2025.

Sun 9/285:45 amHRL - SFO

1 stop6h 39mAmerican Airlines

Thu 10/25:45 amSFO - HRL

1 stop6h 23mAmerican Airlines

Deal found 9/12

$382

Wed 9/242:05 pmHRL - SFO

1 stop6h 55mUnited Airlines

Wed 10/12:45 pmSFO - HRL

1 stop6h 33mUnited Airlines

Deal found 9/11

$436

Fri 9/122:51 pmHRL - SFO

1 stop8h 14mAmerican Airlines

Mon 9/1511:32 amSFO - HRL

2 stops9h 25mAmerican Airlines

Deal found 9/11

$494

Fri 9/125:00 amHRL - SFO

1 stop8h 38mUnited Airlines

Mon 9/155:00 amSFO - HRL

1 stop9h 02mUnited Airlines

Deal found 9/11

$635

Sun 9/285:00 amHRL - SFO

2 stops12h 02mUnited Airlines

Thu 10/27:00 amSFO - HRL

2 stops14h 18mUnited Airlines

Deal found 9/12

$687

Best flights from Harlingen to San Francisco
Discover carefully curated flight deals from Harlingen to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 13, 2025.

Sun 9/285:45 amHRL - SFO

1 stop6h 39mAmerican Airlines

Thu 10/25:45 amSFO - HRL

1 stop6h 23mAmerican Airlines

Deal found 9/12

$382

Wed 9/242:05 pmHRL - SFO

1 stop6h 55mUnited Airlines

Wed 10/12:45 pmSFO - HRL

1 stop6h 33mUnited Airlines

Deal found 9/11

$436

Sun 9/285:00 amHRL - SFO

2 stops12h 02mUnited Airlines

Thu 10/27:00 amSFO - HRL

2 stops14h 18mUnited Airlines

Deal found 9/12

$687

Last-minute flights from Harlingen to San Francisco
Discover last-minute flight deals from Harlingen to San Francisco. Data last updated September 13, 2025 and is based on user searches.

Fri 9/122:51 pmHRL - SFO

1 stop8h 14mAmerican Airlines

Mon 9/1511:32 amSFO - HRL

2 stops9h 25mAmerican Airlines

Deal found 9/11

$494

Fri 9/125:00 amHRL - SFO

1 stop8h 38mUnited Airlines

Mon 9/155:00 amSFO - HRL

1 stop9h 02mUnited Airlines

Deal found 9/11

$635

Wed 9/242:05 pmHRL - SFO

1 stop6h 55mUnited Airlines

Wed 10/12:45 pmSFO - HRL

1 stop6h 33mUnited Airlines

Deal found 9/11

$436

Sun 9/285:45 amHRL - SFO

1 stop6h 39mAmerican Airlines

Thu 10/25:45 amSFO - HRL

1 stop6h 23mAmerican Airlines

Deal found 9/12

$382

Sun 9/285:00 amHRL - SFO

2 stops12h 02mUnited Airlines

Thu 10/27:00 amSFO - HRL

2 stops14h 18mUnited Airlines

Deal found 9/12

$687

Cheapflights Fare Finder

Use the filters below to find and compare flights from Harlingen to San Francisco that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Sun 9/28

5:45 am-10:24 am

1 stop6h 39m

San Francisco

Thu 10/2

5:45 am-2:08 pm

1 stop6h 23m

$382

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Wed 9/24

2:05 pm-7:00 pm

1 stop6h 55m

San Francisco

Wed 10/1

2:45 pm-11:18 pm

1 stop6h 33m

$436

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Sun 9/28

5:00 am-3:02 pm

2 stops12h 02m

San Francisco

Thu 10/2

7:00 am-11:18 pm

2 stops14h 18m

$687

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/12

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 $357). 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?

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.

How much does it cost to fly round-trip from Harlingen, Texas to San Francisco?

Reviews of airlines servicing San Francisco

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

8,934 reviews

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

8,934 reviews

United Airlines

7.4

Good

8,934 reviews

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

10,000 reviews

United Airlines

7.4

Good

8,934 reviews

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

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 39m. Your travel time can differ by up to 16m. 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 $236 on this airline. An additional option worth looking into is United Airlines, starting at $326. American Airlines is 38% 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, 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 $357). 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

Roseville

Santa Cruz

Livermore

South San Francisco

Turlock

Antioch

Watsonville

Manteca

Santa Clara

Sunnyvale

Hollister

Vacaville

Foster City

Vallejo

Burlingame

Redwood City

Union City

San Leandro

San Mateo

Lathrop

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Harlingen to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$236	Average$378	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$326	Average$382	FlexibilityNo cancel fee	On-time69%

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$382+ Cheap flights from Harlingen, TX to San Francisco (HRL - SFO)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Harlingen to San Francisco with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Harlingen to San Francisco

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Harlingen to San Francisco

Cheapest flights from Harlingen to San FranciscoExplore 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 September 13, 2025.

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 September 13, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Harlingen to San Francisco that are best for you.

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.

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?

What is the cheapest time of day to fly from HRL to SFO?

How much does it cost to fly round-trip from Harlingen, Texas to San Francisco?

Reviews of airlines servicing San Francisco

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.

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?

What are the cheapest airlines flying from Harlingen, Texas to San Francisco round-trip?

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

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

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

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

Traveling to a place near San Francisco?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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 September 13, 2025.