What is the cheapest airline that flies from Harlingen Valley Intl to San Francisco?

Delta, American Airlines, and Southwest are the most popular carriers operating from Harlingen Valley Intl to San Francisco

What airlines fly to San Francisco?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to San Francisco from Harlingen according to our data. American Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 3 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Harlingen Valley Intl Airport to San Francisco Airport?

Prices for flights from Harlingen Valley Intl Airport to San Francisco Airport were last updated today.

How many operators does momondo search for flights from Harlingen Valley Intl Airport to San Francisco Airport?

As of September 2026, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to San Francisco Airport.

How old do you have to be to fly from Harlingen Valley Intl Airport to San Francisco Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to San Francisco Airport.

What documentation or ID do you need to fly to San Francisco Airport?

The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$180 Cheap Flights from Harlingen to San Francisco in 2026/27

Find the cheapest flights from Harlingen to San Francisco

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:59 pm - 7:58 pmHRL Harlingen Valley Intl-SFO San Francisco

7h 59m1 stop Houston George Bush Intcntl

2:30 pm - 10:48 pmSFO San Francisco-HRL Harlingen Valley Intl

6h 18m1 stop Houston George Bush Intcntl

$333United Airlines

Wed, Oct 28 - Sat, Oct 31

1:59 pm - 7:58 pmHRL Harlingen Valley Intl-SFO San Francisco

7h 59m1 stop Houston George Bush Intcntl

2:30 pm - 10:48 pmSFO San Francisco-HRL Harlingen Valley Intl

6h 18m1 stop Houston George Bush Intcntl

$337United Airlines

Wed, Oct 28 - Sat, Oct 31

5:30 pm - 12:35 amHRL Harlingen Valley Intl-SFO San Francisco

9h 05m2 stops Austin Bergstrom Phoenix Sky Harbor Intl

12:00 pm - 9:00 pmSFO San Francisco-HRL Harlingen Valley Intl

7h 00m1 stop Austin Bergstrom

$394Southwest

Fri, Oct 2 - Tue, Oct 6

5:28 pm - 11:49 pmHRL Harlingen Valley Intl-SFO San Francisco

8h 21m1 stop Dallas/Fort Worth

12:42 pm - 10:50 pmSFO San Francisco-HRL Harlingen Valley Intl

8h 08m1 stop Dallas/Fort Worth

$404American Airlines

Fri, Oct 2 - Tue, Oct 6

5:30 pm - 11:15 pmHRL Harlingen Valley Intl-SFO San Francisco

7h 45m2 stops Austin Bergstrom Las Vegas Harry Reid Intl

6:55 am - 9:00 pmSFO San Francisco-HRL Harlingen Valley Intl

12h 05m2 stops Las Vegas Harry Reid Intl Austin Bergstrom

$405Southwest

Fri, Oct 2 - Tue, Oct 6

5:25 pm - 12:04 amHRL Harlingen Valley Intl-SFO San Francisco

8h 39m1 stop Houston George Bush Intcntl

7:00 am - 10:48 pmSFO San Francisco-HRL Harlingen Valley Intl

13h 48m2 stops Los Angeles Houston George Bush Intcntl

$408United Airlines

Wed, Oct 28 - Sat, Oct 31

5:05 am - 9:30 amHRL Harlingen Valley Intl-SFO San Francisco

6h 25m1 stop Houston George Bush Intcntl

5:00 am - 1:23 pmSFO San Francisco-HRL Harlingen Valley Intl

6h 23m1 stop Houston George Bush Intcntl

$408United Airlines

Wed, Sep 30 - Sun, Oct 4

1:59 pm - 7:58 pmHRL Harlingen Valley Intl-SFO San Francisco

7h 59m1 stop Houston George Bush Intcntl

2:30 pm - 10:48 pmSFO San Francisco-HRL Harlingen Valley Intl

6h 18m1 stop Houston George Bush Intcntl

$411United Airlines

Wed, Oct 28 - Sat, Oct 31

5:25 pm - 12:04 amHRL Harlingen Valley Intl-SFO San Francisco

8h 39m1 stop Houston George Bush Intcntl

7:00 am - 10:48 pmSFO San Francisco-HRL Harlingen Valley Intl

13h 48m2 stops Los Angeles Houston George Bush Intcntl

$421United Airlines

Wed, Oct 28 - Sat, Oct 31

5:51 am - 12:36 pmHRL Harlingen Valley Intl-SFO San Francisco

8h 45m2 stops Dallas/Fort Worth Los Angeles

5:30 am - 4:06 pmSFO San Francisco-HRL Harlingen Valley Intl

8h 36m1 stop Dallas/Fort Worth

$422American Airlines

Wed, Sep 30 - Sun, Oct 4

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Southwest flights from Harlingen to San Francisco

Our best Southwest deals on Harlingen to San Francisco flight tickets

Southwest

Oct 2

HRL5:30 pmHarlingen Valley Intl

9h 05m

2 stops

SFO12:35 amSan Francisco

Oct 6

SFO12:00 pmSan Francisco

7h 00m

1 stop

HRL9:00 pmHarlingen Valley Intl

$394

Southwest

Oct 2

HRL5:30 pmHarlingen Valley Intl

7h 45m

2 stops

SFO11:15 pmSan Francisco

Oct 6

SFO6:55 amSan Francisco

12h 05m

2 stops

HRL9:00 pmHarlingen Valley Intl

$405

Southwest

Nov 21

HRL4:25 pmHarlingen Valley Intl

9h 30m

2 stops

SFO11:55 pmSan Francisco

Nov 23

SFO1:45 pmSan Francisco

5h 45m

1 stop

HRL9:30 pmHarlingen Valley Intl

$454

American Airlines flights from Harlingen to San Francisco

Our best American Airlines deals on Harlingen to San Francisco flight tickets

American Airlines

Oct 2

HRL5:28 pmHarlingen Valley Intl

8h 21m

1 stop

SFO11:49 pmSan Francisco

Oct 6

SFO12:42 pmSan Francisco

8h 08m

1 stop

HRL10:50 pmHarlingen Valley Intl

$404

American Airlines

Sep 30

HRL5:51 amHarlingen Valley Intl

8h 45m

2 stops

SFO12:36 pmSan Francisco

Oct 4

SFO5:30 amSan Francisco

8h 36m

1 stop

HRL4:06 pmHarlingen Valley Intl

$422

American Airlines

Oct 4

HRL8:00 pmHarlingen Valley Intl

6h 30m

1 stop

SFO12:30 amSan Francisco

Oct 6

SFO12:11 amSan Francisco

7h 57m

1 stop

HRL10:08 amHarlingen Valley Intl

$429

momondo 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

Cheapest round-trip

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 10/28

1:59 pm-7:58 pm

1 stop7h 59m

San Francisco

Sat 10/31

2:30 pm-10:48 pm

1 stop6h 18m

$333

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 10/28

1:59 pm-7:58 pm

1 stop7h 59m

San Francisco

Sat 10/31

2:30 pm-10:48 pm

1 stop6h 18m

$337

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Fri 10/2

5:30 pm-12:35 am

2 stops9h 05m

San Francisco

Tue 10/6

12:00 pm-9:00 pm

1 stop7h 00m

$394

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Fri 10/2

5:28 pm-11:49 pm

1 stop8h 21m

San Francisco

Tue 10/6

12:42 pm-10:50 pm

1 stop8h 08m

$404

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Fri 10/2

5:30 pm-11:15 pm

2 stops7h 45m

San Francisco

Tue 10/6

6:55 am-9:00 pm

2 stops12h 05m

$405

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 10/28

5:25 pm-12:04 am

1 stop8h 39m

San Francisco

Sat 10/31

7:00 am-10:48 pm

2 stops13h 48m

$408

Quickest round-trip

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 9/30

5:05 am-9:30 am

1 stop6h 25m

San Francisco

Sun 10/4

5:00 am-1:23 pm

1 stop6h 23m

$408

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 10/28

1:59 pm-7:58 pm

1 stop7h 59m

San Francisco

Sat 10/31

2:30 pm-10:48 pm

1 stop6h 18m

$411

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 10/28

5:25 pm-12:04 am

1 stop8h 39m

San Francisco

Sat 10/31

7:00 am-10:48 pm

2 stops13h 48m

$421

HarlingenSan Francisco

HRL Harlingen Valley Intl - SFO San Francisco

HRLSFO

Harlingen Valley Intl

Wed 9/30

5:51 am-12:36 pm

2 stops8h 45m

San Francisco

Sun 10/4

5:30 am-4:06 pm

1 stop8h 36m

$422

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Harlingen to San Francisco

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to San Francisco?

If you aren’t able to travel to San Francisco during the month of September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $0.

When to book flights from Harlingen to San Francisco

Are you open to changing your travel dates? Check out the ideal times to fly from Harlingen to San Francisco according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Harlingen to San Francisco (HRL to SFO) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Harlingen to San Francisco

Best Price Found	$180
Fastest flight time	7h 37m
Direct flights	None

The best one-way flight to San Francisco from Harlingen in the past 72 hours is $180. The best round-trip flight deal from Harlingen to San Francisco found on momondo in the last 72 hours is $333.

The fastest flight from Harlingen to San Francisco takes 7h 37m

There are no direct flights from Harlingen to San Francisco. There are no popular flight routes from Harlingen to San Francisco.

Search flight deals

Frequently asked questions about flying from Harlingen to San Francisco

How far is Harlingen Valley Intl to San Francisco by plane?
The straight-line distance from Harlingen Valley Intl to San Francisco is 1645.9 mi. A reasonable flight in good conditions will take 7h 37m.
When did momondo last update prices for flights from Harlingen Valley Intl Airport to San Francisco Airport?
Prices for flights from Harlingen Valley Intl Airport to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Harlingen Valley Intl Airport to San Francisco Airport?
As of September 2026, there is 1 operator available to choose from for flights from Harlingen Valley Intl Airport to San Francisco Airport.
How old do you have to be to fly from Harlingen Valley Intl Airport to San Francisco Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Harlingen Valley Intl Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The travel and health documents required for your trip to San Francisco Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from Harlingen to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Harlingen to San Francisco is Southwest, representing 100% of all bookings.

Best airlines flying from Harlingen to San Francisco

Compare and see reviews for airlines that fly from Harlingen to San Francisco with momondo

Airline	Rating	Free Cancellation	Price
Southwest	PriceFrom $252	Free Cancellation	Rating 8.0 4,196 reviews		Search Southwest flights

Santa Cruz

Carmel-by-the-Sea

Modesto

South San Francisco

Bodega Bay

Hayward

Berkeley

Fremont

Santa Clara

Walnut Creek

Sunnyvale

Vallejo

Half Moon Bay

Roseville

Salinas

Sonoma

Daly City

Milpitas

Pacific Grove

Marina

Why use momondo?

Why should I use momondo to find a flight deal from Harlingen to San Francisco?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Harlingen.

Can I find flights from Harlingen to San Francisco with flexible booking policies on momondo?

Flights from Harlingen to San Francisco with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Harlingen to San Francisco?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to San Francisco from Harlingen.

I’m not ready to book a flight from Harlingen to San Francisco right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Francisco, momondo offers a useful price alert feature which will track prices for flights to San Francisco from Harlingen and alert you when they change.

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Tue 10/20

Tue 10/27

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Nearby airports

Airlines

Cabin classes

Other United States destinations

Other flights from Harlingen

Complete your trip

Feeling lucky

Cheap flights from Harlingen to San Francisco from $180

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Harlingen to San Francisco departing on 10/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Harlingen to San Francisco

Cheap round-trip flights

Cheap one-way flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Southwest flights from Harlingen to San Francisco

Our best Southwest deals on Harlingen to San Francisco flight tickets

American Airlines flights from Harlingen to San Francisco

Our best American Airlines deals on Harlingen to San Francisco flight tickets

momondo Fare Finder

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

See travel insights to San Francisco from

How to get the cheapest flight ticket from Harlingen to San Francisco

What is the cheapest month to fly to San Francisco?

What is the cheapest airline that flies from Harlingen Valley Intl to San Francisco?

What airlines fly to San Francisco?

When to book flights from Harlingen to San Francisco

Cheap Harlingen to San Francisco (HRL to SFO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Harlingen to San Francisco

Best airlines flying from Harlingen to San Francisco

Compare and see reviews for airlines that fly from Harlingen to San Francisco with momondo

Traveling to a place near San Francisco?

Why use momondo?

An easier way to manage your San Francisco trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing California

Fly your favorite airline to San Francisco

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to San Francisco

List of cabin classes available on flights landing in San Francisco. Availability may vary depending on flight origin and airline.

Popular cities in the United States

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Harlingen

According to popular flight searches on momondo this year

Complete your trip to San Francisco

Explore popular destinations other users love

According to popular flight searches on momondo this year