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 Delta. Our recent data shows that you can find tickets from as low as $339 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $349 and $501 round-trip.

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. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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.

Most accurate provider : When it comes to deals on Harlingen, Texas-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-San Francisco flight deals on Cheapflights vs. FlightHub >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 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-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

$129+ Flights from Harlingen, TX to San Francisco

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheap flight deals from Harlingen to San Francisco

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$339 (Delta)
One-way from	$129 (Delta)

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.

Search Deals

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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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 April 11, 2025.

Thu 4/175:47 amHRL - SFO

1 stop7h 38mAmerican Airlines

Sun 4/2011:59 pmSFO - HRL

1 stop7h 52mAmerican Airlines

Deal found 4/9

$324

Fri 4/252:41 pmHRL - SFO

1 stop7h 56mDelta

Sun 4/2712:47 amSFO - HRL

1 stop10h 59mDelta

Deal found 4/10

$339

Thu 5/225:20 pmHRL - SFO

2 stops16h 18mUnited Airlines

Mon 5/265:15 amSFO - HRL

1 stop8h 45mUnited Airlines

Deal found 4/10

$501

Mon 5/265:35 pmHRL - SFO

2 stops8h 15mSouthwest

Thu 5/296:05 amSFO - HRL

2 stops10h 05mSouthwest

Deal found 4/10

$568

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 April 11, 2025.

Fri 4/252:41 pmHRL - SFO

1 stop7h 56mDelta

Sun 4/2712:47 amSFO - HRL

1 stop10h 59mDelta

Deal found 4/10

$339

Fri 4/254:32 pmHRL - SFO

2 stops8h 07mAmerican Airlines

Mon 4/2812:06 pmSFO - HRL

2 stops9h 53mAmerican Airlines

Deal found 4/10

$349

Thu 5/225:20 pmHRL - SFO

2 stops16h 18mUnited Airlines

Mon 5/265:15 amSFO - HRL

1 stop8h 45mUnited Airlines

Deal found 4/10

$501

Mon 5/265:35 pmHRL - SFO

2 stops8h 15mSouthwest

Thu 5/296:05 amSFO - HRL

2 stops10h 05mSouthwest

Deal found 4/10

$568

Last-minute flights from Harlingen to San Francisco
Discover last-minute flight deals from Harlingen to San Francisco. Data last updated April 11, 2025 and is based on user searches.

Thu 4/175:47 amHRL - SFO

1 stop7h 38mAmerican Airlines

Sun 4/2011:59 pmSFO - HRL

1 stop7h 52mAmerican Airlines

Deal found 4/9

$324

Thu 4/177:15 amHRL - SFO

2 stops13h 48mUnited Airlines

Sun 4/208:15 amSFO - HRL

2 stops12h 59mUnited Airlines

Deal found 4/9

$661

Fri 4/252:41 pmHRL - SFO

1 stop7h 56mDelta

Sun 4/2712:47 amSFO - HRL

1 stop10h 59mDelta

Deal found 4/10

$339

Thu 5/225:20 pmHRL - SFO

2 stops16h 18mUnited Airlines

Mon 5/265:15 amSFO - HRL

1 stop8h 45mUnited Airlines

Deal found 4/10

$501

Mon 5/265:35 pmHRL - SFO

2 stops8h 15mSouthwest

Thu 5/296:05 amSFO - HRL

2 stops10h 05mSouthwest

Deal found 4/10

$568

One-way flights from Harlingen to San Francisco
Search for one-way flight options from Harlingen to San Francisco. Find affordable one-way fares based on user searches. Data last updated April 11, 2025.

Thu 5/12:41 pmHRL - SFO

1 stop11h 18mDelta

Deal found 4/10

$129

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

Fri 4/25

2:41 pm-8:37 pm

1 stop7h 56m

San Francisco

Sun 4/27

12:47 am-1:46 pm

1 stop10h 59m

$339

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Fri 4/25

4:32 pm-10:39 pm

2 stops8h 07m

San Francisco

Mon 4/28

12:06 pm-11:59 pm

2 stops9h 53m

$349

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Thu 5/22

5:20 pm-7:38 am

2 stops16h 18m

San Francisco

Mon 5/26

5:15 am-4:00 pm

1 stop8h 45m

$501

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Mon 5/26

5:35 pm-11:50 pm

2 stops8h 15m

San Francisco

Thu 5/29

6:05 am-6:10 pm

2 stops10h 05m

$568

HarlingenSan Francisco

HRL - SFO

HRLSFO

Harlingen Valley Intl

Thu 5/1

2:41 pm-11:59 pm

1 stop11h 18m

$129

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/10

Compare providers for flights from Harlingen to San Francisco

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 April.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen, Texas-San Francisco flight deals on Cheapflights vs. FlightHub >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 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-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, 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 $393). 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.

Rainfall in San Francisco by month

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.

Temperature in San Francisco by month

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).

Reviews of airlines servicing San Francisco

Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Harlingen to San Francisco to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

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

Southwest

8.0

Very good

4,279 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

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

Delta

8.0

Very good

7,911 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

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

United Airlines

7.4

Good

8,636 reviews

Southwest

8.0

Very good

4,279 reviews

Reviews

1 / 20

10.0

Excellent

Merlyn,Feb 2025

LAX - SMF

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

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,279 reviews

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

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 Delta. Our recent data shows that you can find tickets from as low as $339 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $349 and $501 round-trip.
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 $393). 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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Turlock

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Fairfield

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Richmond

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Hollister

Milpitas

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Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Harlingen to San Francisco

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$245	Average$353	FlexibilityNo cancel fee	On-time71%

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$129+ 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 5/1. 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

Most accurate provider

Most trusted provider

Round-trip from

One-way from

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 April 11, 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 April 11, 2025.

Cheapflights Fare Finder

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

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 April.

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?

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 April 11, 2025.

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

Reviews of airlines servicing San Francisco

Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from Harlingen to San Francisco to help guide your decision. You can also see how each airline compares in terms of 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.

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 Harlingen?

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Alternative routes for Harlingen to San Francisco

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Top airline 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 April 11, 2025.