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Cheap flights from San Francisco to Harlingen from $101

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Harlingen departing on 9/22. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San Francisco to Harlingen

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
12:15 pm - 8:55 pm
SFO
-
HRL
6h 40m
1 stop
Southwest Logo
10:10 am - 5:15 pm
HRL
-
SFO
9h 05m
1 stop
$313Southwest
Wed, Jul 8 - Sat, Jul 18
Southwest Logo
5:30 am - 4:15 pm
SFO
-
HRL
8h 45m
2 stops
Southwest Logo
10:10 am - 5:15 pm
HRL
-
SFO
9h 05m
1 stop
$319Southwest
Wed, Jul 8 - Sat, Jul 18
Southwest Logo
11:15 am - 11:10 pm
SFO
-
HRL
9h 55m
1 stop
Southwest Logo
6:50 am - 11:20 am
HRL
-
SFO
6h 30m
1 stop
$322Southwest
Sun, Aug 23 - Sun, Aug 30
American Airlines Logo
6:36 am - 3:05 pm
SFO
-
HRL
6h 29m
1 stop
American Airlines Logo
5:28 pm - 11:28 pm
HRL
-
SFO
8h 00m
1 stop
$337American Airlines
Mon, Sep 21 - Tue, Sep 22
Southwest Logo
10:25 am - 11:05 pm
SFO
-
HRL
10h 40m
2 stops
Southwest Logo
5:05 am - 9:45 am
HRL
-
SFO
6h 40m
1 stop
$353Southwest
Tue, Jul 7 - Sat, Jul 11
Southwest Logo
10:00 am - 9:45 pm
SFO
-
HRL
9h 45m
2 stops
Southwest Logo
5:05 am - 9:45 am
HRL
-
SFO
6h 40m
1 stop
$358Southwest
Mon, Jul 6 - Sat, Jul 11
Southwest Logo
10:00 am - 9:45 pm
SFO
-
HRL
9h 45m
2 stops
Southwest Logo
5:05 am - 9:45 am
HRL
-
SFO
6h 40m
1 stop
$383Southwest
Mon, Jul 6 - Sat, Jul 11
Southwest Logo
8:25 am - 8:55 pm
SFO
-
HRL
10h 30m
1 stop
Southwest Logo
5:05 am - 9:45 am
HRL
-
SFO
6h 40m
1 stop
$384Southwest
Tue, Jul 7 - Sat, Jul 11
United Airlines Logo
12:45 am - 10:59 am
SFO
-
HRL
8h 14m
1 stop
United Airlines Logo
5:16 pm - 12:04 am
HRL
-
SFO
8h 48m
1 stop
$388United Airlines
Mon, Dec 7 - Sat, Dec 12
Southwest Logo
5:30 am - 5:00 pm
SFO
-
HRL
9h 30m
2 stops
Southwest Logo
3:10 pm - 9:45 pm
HRL
-
SFO
8h 35m
2 stops
$389Southwest
Sun, Aug 23 - Sun, Aug 30

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American Airlines flights from San Francisco to Harlingen

Our best American Airlines deals on San Francisco to Harlingen flight tickets
American Airlines
Sep 21
SFO6:36 amSan Francisco
6h 29m
1 stop
HRL3:05 pmHarlingen Valley Intl
Sep 22
HRL5:28 pmHarlingen Valley Intl
8h 00m
1 stop
SFO11:28 pmSan Francisco
$337
American Airlines
Jul 5
SFO12:16 amSan Francisco
7h 56m
1 stop
HRL10:12 amHarlingen Valley Intl
Jul 11
HRL5:18 pmHarlingen Valley Intl
9h 25m
1 stop
SFO12:43 amSan Francisco
$437
American Airlines
Jun 25
SFO12:26 amSan Francisco
7h 47m
1 stop
HRL10:13 amHarlingen Valley Intl
Jun 30
HRL8:04 pmHarlingen Valley Intl
6h 44m
1 stop
SFO12:48 amSan Francisco
$444

United Airlines flights from San Francisco to Harlingen

Our best United Airlines deals on San Francisco to Harlingen flight tickets
United Airlines
Dec 7
SFO12:45 amSan Francisco
8h 14m
1 stop
HRL10:59 amHarlingen Valley Intl
Dec 12
HRL5:16 pmHarlingen Valley Intl
8h 48m
1 stop
SFO12:04 amSan Francisco
$388
United Airlines
Oct 20
SFO5:00 amSan Francisco
8h 59m
1 stop
HRL3:59 pmHarlingen Valley Intl
Oct 21
HRL7:15 amHarlingen Valley Intl
6h 29m
1 stop
SFO11:44 amSan Francisco
$392
United Airlines
Sep 19
SFO12:24 pmSan Francisco
7h 28m
1 stop
HRL9:52 pmHarlingen Valley Intl
Sep 22
HRL5:05 amHarlingen Valley Intl
7h 37m
1 stop
SFO10:42 amSan Francisco
$438

momondo Fare Finder

 
Customize your flight search to find flights from San Francisco to Harlingen 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, momondo users made 832,500 searches. Data last updated June 12, 2026.
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

Cheapest round-trip

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 7/8

12:15 pm-8:55 pm

1 stop6h 40m

Harlingen Valley Intl

Sat 7/18

10:10 am-5:15 pm

1 stop9h 05m

$313

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 7/8

5:30 am-4:15 pm

2 stops8h 45m

Harlingen Valley Intl

Sat 7/18

10:10 am-5:15 pm

1 stop9h 05m

$319

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sun 8/23

11:15 am-11:10 pm

1 stop9h 55m

Harlingen Valley Intl

Sun 8/30

6:50 am-11:20 am

1 stop6h 30m

$322
Quickest round-trip

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 9/21

6:36 am-3:05 pm

1 stop6h 29m

Harlingen Valley Intl

Tue 9/22

5:28 pm-11:28 pm

1 stop8h 00m

$337

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 7/7

10:25 am-11:05 pm

2 stops10h 40m

Harlingen Valley Intl

Sat 7/11

5:05 am-9:45 am

1 stop6h 40m

$353

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 7/6

10:00 am-9:45 pm

2 stops9h 45m

Harlingen Valley Intl

Sat 7/11

5:05 am-9:45 am

1 stop6h 40m

$358

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 7/6

10:00 am-9:45 pm

2 stops9h 45m

Harlingen Valley Intl

Sat 7/11

5:05 am-9:45 am

1 stop6h 40m

$383

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 7/7

8:25 am-8:55 pm

1 stop10h 30m

Harlingen Valley Intl

Sat 7/11

5:05 am-9:45 am

1 stop6h 40m

$384

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 12/7

12:45 am-10:59 am

1 stop8h 14m

Harlingen Valley Intl

Sat 12/12

5:16 pm-12:04 am

1 stop8h 48m

$388

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sun 8/23

5:30 am-5:00 pm

2 stops9h 30m

Harlingen Valley Intl

Sun 8/30

3:10 pm-9:45 pm

2 stops8h 35m

$389

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Harlingen from

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

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

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

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

What airlines fly to Harlingen?

American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Harlingen from San Francisco according to our data. American Airlines is the first choice among our users, with 63% of people opting to fly with this airline when traveling to Harlingen. Keep in mind that there are 3 different airlines that fly to Harlingen on a routine basis, so you have a few additional options to choose from.

When to book flights from San Francisco to Harlingen

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

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

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

Fastest flight time

8h 55m

Direct flights

None
The fastest flight from San Francisco to Harlingen takes 8h 55m
There are no direct flights from San Francisco to Harlingen. There are no popular flight routes from San Francisco to Harlingen.
Search flight deals

Frequently asked questions about flying from San Francisco to Harlingen

  • How far is San Francisco to Harlingen Valley Intl by plane?

    The straight-line distance from San Francisco to Harlingen Valley Intl is 1645.9 mi. A reasonable flight in good conditions will take 8h 55m.

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

    Prices for flights from San Francisco Airport to Harlingen Valley Intl Airport refresh daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Harlingen Valley Intl Airport.

  • What documentation or ID do you need to fly to Harlingen Valley Intl Airport?

    The required travel and health documents for your Harlingen Valley Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Harlingen Valley Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from San Francisco to Harlingen?

Best airlines flying from San Francisco to Harlingen

Compare and see reviews for airlines that fly from San Francisco to Harlingen with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $231Free CancellationRating
7.1
11,645 reviews
Search American Airlines flights

Why use momondo?

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

Finding the right flight to Harlingen from San Francisco is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Harlingen quick and easy, saving you time and money.

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

Flights from San Francisco to Harlingen 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 San Francisco to Harlingen?

momondo helps you find the best flight between San Francisco and Harlingen by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your Harlingen trip

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