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

There are many flights that can get you from San Francisco to Harlingen, Texas in 6h 34m. Fly via Southwest, American Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 1641 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

Cheapflights users have booked flights from San Francisco to Harlingen, Texas round-trip from $232. Another airline that can offer you cheap pricing is United Airlines. These flights start at 46% lower than the current average price 3 months from now.

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

Travelers seeking maximum savings on their San Francisco to Harlingen, Texas flight should consider departing on Monday evenings 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.

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

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

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

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

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

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

Yes. Cheapflights offers flight deals from San Francisco to Harlingen by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$164+ Flights from San Francisco to Harlingen, TX

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Cheap flight deals from San Francisco to Harlingen

Round-trip from	$303 (Southwest)
One-way from	$164 (United Airlines)
Popular in	December
Cheapest in	January
Average price	$415

From San Francisco to Harlingen Valley Intl

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One-way flight from San Francisco to Harlingen Valley Intl

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Highest demand for flights based on searches. 10% potential increase in price ($48 potential increase over avg. RT price).

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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from San Francisco to Harlingen

Cheapest flights from San Francisco to Harlingen
Explore the most affordable flight options available from San Francisco to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Wed 11/512:30 pmSFO - HRL

1 stop6h 35mSouthwest

Sun 11/96:50 amHRL - SFO

1 stop6h 35mSouthwest

Deal found 9/16

$303

Tue 9/305:45 amSFO - HRL

1 stop6h 34mAmerican Airlines

Sat 10/42:51 pmHRL - SFO

1 stop6h 25mAmerican Airlines

Deal found 9/15

$339

Fri 11/1411:59 pmSFO - HRL

1 stop9h 00mUnited Airlines

Sun 11/167:00 amHRL - SFO

1 stop7h 10mUnited Airlines

Deal found 9/15

$395

Mon 11/242:45 pmSFO - HRL

1 stop5h 45mSouthwest

Fri 11/283:35 pmHRL - SFO

2 stops9h 20mSouthwest

Deal found 9/16

$413

Thu 10/27:12 amSFO - HRL

1 stop7h 01mUnited Airlines

Mon 10/65:17 pmHRL - SFO

1 stop8h 40mUnited Airlines

Deal found 9/16

$463

Wed 10/112:14 pmSFO - HRL

1 stop8h 43mAmerican Airlines

Sun 10/55:45 amHRL - SFO

1 stop6h 39mAmerican Airlines

Deal found 9/16

$468

Best flights from San Francisco to Harlingen
Discover carefully curated flight deals from San Francisco to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2025.

Wed 11/512:30 pmSFO - HRL

1 stop6h 35mSouthwest

Sun 11/96:50 amHRL - SFO

1 stop6h 35mSouthwest

Deal found 9/16

$303

Tue 9/305:45 amSFO - HRL

1 stop6h 34mAmerican Airlines

Sat 10/410:11 amHRL - SFO

2 stops10h 51mAmerican Airlines

Deal found 9/15

$344

Mon 3/912:32 amSFO - HRL

1 stop8h 27mUnited Airlines

Wed 3/112:00 pmHRL - SFO

1 stop6h 55mUnited Airlines

Deal found 9/14

$347

Tue 3/104:20 pmSFO - HRL

1 stop5h 44mAmerican Airlines

Wed 3/114:12 pmHRL - SFO

1 stop8h 24mAmerican Airlines

Deal found 9/14

$347

Last-minute flights from San Francisco to Harlingen
Discover last-minute flight deals from San Francisco to Harlingen. Data last updated September 17, 2025 and is based on user searches.

Sat 9/277:12 amSFO - HRL

1 stop7h 01mUnited Airlines

Tue 9/305:17 pmHRL - SFO

1 stop8h 40mUnited Airlines

Deal found 9/17

$537

Mon 9/2912:43 amSFO - HRL

1 stop13h 30mUnited Airlines

Sat 10/45:17 pmHRL - SFO

1 stop7h 03mUnited Airlines

Deal found 9/15

$1,105

Tue 9/305:45 amSFO - HRL

1 stop6h 34mAmerican Airlines

Sat 10/42:51 pmHRL - SFO

1 stop6h 25mAmerican Airlines

Deal found 9/15

$339

Wed 10/112:14 pmSFO - HRL

1 stop8h 43mAmerican Airlines

Sun 10/55:45 amHRL - SFO

1 stop6h 39mAmerican Airlines

Deal found 9/16

$468

Wed 10/16:00 amSFO - HRL

2 stops11h 41mUnited Airlines

Sun 10/55:00 amHRL - SFO

2 stops12h 02mUnited Airlines

Deal found 9/16

$733

Thu 10/27:12 amSFO - HRL

1 stop7h 01mUnited Airlines

Mon 10/65:17 pmHRL - SFO

1 stop8h 40mUnited Airlines

Deal found 9/16

$463

One-way flights from San Francisco to Harlingen
Search for one-way flight options from San Francisco to Harlingen. Find affordable one-way fares based on user searches. Data last updated September 17, 2025.

Tue 10/75:00 amSFO - HRL

1 stop6h 19mUnited Airlines

Deal found 9/14

$164

Wed 10/110:50 amSFO - HRL

1 stop6h 51mUnited Airlines

Deal found 9/14

$232

Tue 9/307:00 amSFO - HRL

2 stops14h 18mUnited Airlines

Deal found 9/14

$273

Fri 10/1012:43 amSFO - HRL

1 stop10h 36mUnited Airlines

Deal found 9/14

$298

Fri 10/311:00 pmSFO - HRL

2 stops12h 19mUnited Airlines

Deal found 9/14

$320

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 11/5

12:30 pm-9:05 pm

1 stop6h 35m

Harlingen Valley Intl

Sun 11/9

6:50 am-11:25 am

1 stop6h 35m

$303

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 9/30

5:45 am-2:19 pm

1 stop6h 34m

Harlingen Valley Intl

Sat 10/4

10:11 am-7:02 pm

2 stops10h 51m

$344

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 3/9

12:32 am-10:59 am

1 stop8h 27m

Harlingen Valley Intl

Wed 3/11

2:00 pm-6:55 pm

1 stop6h 55m

$347

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 3/10

4:20 pm-12:04 am

1 stop5h 44m

Harlingen Valley Intl

Wed 3/11

4:12 pm-10:36 pm

1 stop8h 24m

$347

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 10/7

5:00 am-1:19 pm

1 stop6h 19m

$164

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 10/8

1:00 pm-11:18 pm

1 stop8h 18m

$164

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 10/3

2:45 pm-11:18 pm

1 stop6h 33m

$232

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 10/1

10:50 am-7:41 pm

1 stop6h 51m

$232

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 9/30

7:00 am-11:18 pm

2 stops14h 18m

$273

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 10/10

12:43 am-1:19 pm

1 stop10h 36m

$298

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from San Francisco to Harlingen

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

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

Currently, April is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $267). Flying from San Francisco to Harlingen, Texas in June is currently the most expensive (average of $382). 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 SFO to HRL?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Harlingen, Texas in the afternoon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with United Airlines and American Airlines from San Francisco to Harlingen by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,926 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,926 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

How long is the flight from San Francisco to Harlingen, Texas?
There are many flights that can get you from San Francisco to Harlingen, Texas in 6h 34m. Fly via Southwest, American Airlines, or United Airlines to get the fastest option. Airlines will cover a distance of 1641 mi. Both multi-stop and nonstop flights can be found to your destination and back.
What are the cheapest airlines flying from San Francisco to Harlingen, Texas round-trip?
Cheapflights users have booked flights from San Francisco to Harlingen, Texas round-trip from $232. Another airline that can offer you cheap pricing is United Airlines. These flights start at 46% lower than the current average price 3 months from now.
Can I find deals for flights from San Francisco to Harlingen that include hotel bookings?
Yes. In addition to deals on San Francisco to Harlingen flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from San Francisco to Harlingen?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Harlingen.
Can I find deals for business class flights from San Francisco to Harlingen?
Yes. Cheapflights offers flight deals from San Francisco to Harlingen 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 San Francisco to Harlingen, Texas?
Currently, April is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $267). Flying from San Francisco to Harlingen, Texas in June is currently the most expensive (average of $382). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from San Francisco to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$232	Average$453	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$236	Average$424	FlexibilityNo cancel fee	On-time69%

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$164+ Cheap flights from San Francisco to Harlingen, TX (SFO - HRL)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Harlingen

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Harlingen

Cheapest flights from San Francisco to HarlingenExplore the most affordable flight options available from San Francisco to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Explore the most affordable flight options available from San Francisco to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from San Francisco to Harlingen

Have a flexible travel schedule? Discover the best time to fly to Harlingen from San Francisco with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Harlingen

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

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

Reviews of airlines servicing Harlingen

Get a feel of what it's like to fly with United Airlines and American Airlines from San Francisco to Harlingen by reading reviews from past customers. Users have also rated airlines 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 San Francisco to Harlingen. 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 San Francisco to Harlingen, Texas?

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

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

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

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

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

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 San Francisco to Harlingen

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

Top 2 airlines flying from San Francisco to Harlingen

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Book with Flexibility

Travel Smart

Cheapest flights from San Francisco to Harlingen
Explore the most affordable flight options available from San Francisco to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.