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Cheap flights from San Francisco to Harlingen from $134

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 8/22. 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
10:05 am - 8:30 pm-
8h 25m
Southwest Logo
1:45 pm - 6:40 pm-
6h 55m
$247Southwest
Thu, Aug 27 - Wed, Sep 2
Southwest Logo
7:00 am - 8:30 pm-
11h 30m
Southwest Logo
1:45 pm - 6:40 pm-
6h 55m
$252Southwest
Thu, Aug 27 - Wed, Sep 2
Southwest Logo
7:00 am - 8:30 pm-
11h 30m
Southwest Logo
12:35 pm - 7:05 pm-
8h 30m
$297Southwest
Thu, Aug 27 - Wed, Sep 2
United Airlines Logo
7:05 am - 3:59 pm-
6h 54m
United Airlines Logo
5:18 pm - 9:45 pm-
6h 27m
$307United Airlines
Tue, Aug 18 - Sat, Aug 22
American Airlines Logo
5:33 am - 6:13 pm-
10h 40m
American Airlines Logo
6:43 pm - 11:10 pm-
6h 27m
$331American Airlines
Tue, Aug 18 - Sat, Aug 22
United Airlines Logo
7:05 am - 3:59 pm-
6h 54m
United Airlines Logo
7:15 am - 11:39 am-
6h 24m
$347United Airlines
Wed, Sep 2 - Wed, Sep 9
United Airlines Logo
2:30 pm - 10:48 pm-
6h 18m
United Airlines Logo
1:59 pm - 9:46 pm-
9h 47m
$347United Airlines
Sat, Oct 31 - Wed, Nov 4
Southwest Logo
5:00 am - 3:50 pm-
8h 50m
Southwest Logo
1:45 pm - 6:40 pm-
6h 55m
$363Southwest
Sat, Aug 15 - Wed, Aug 19
Southwest Logo
5:40 am - 4:45 pm-
9h 05m
Southwest Logo
6:05 am - 2:45 pm-
10h 40m
$368Southwest
Tue, Aug 18 - Sat, Aug 22
Southwest Logo
5:00 am - 3:50 pm-
8h 50m
Southwest Logo
7:25 am - 2:40 pm-
9h 15m
$398Southwest
Sat, Aug 15 - Wed, Aug 19

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Southwest flights from San Francisco to Harlingen

Our best Southwest deals on San Francisco to Harlingen flight tickets
Southwest
Aug 27
SFO10:05 amSan Francisco
8h 25m
1 stop
HRL8:30 pmHarlingen Valley Intl
Sep 2
HRL1:45 pmHarlingen Valley Intl
6h 55m
1 stop
SFO6:40 pmSan Francisco
$247
Southwest
Aug 27
SFO7:00 amSan Francisco
11h 30m
2 stops
HRL8:30 pmHarlingen Valley Intl
Sep 2
HRL1:45 pmHarlingen Valley Intl
6h 55m
1 stop
SFO6:40 pmSan Francisco
$252
Southwest
Aug 27
SFO7:00 amSan Francisco
11h 30m
2 stops
HRL8:30 pmHarlingen Valley Intl
Sep 2
HRL12:35 pmHarlingen Valley Intl
8h 30m
2 stops
SFO7:05 pmSan Francisco
$297

United Airlines flights from San Francisco to Harlingen

Our best United Airlines deals on San Francisco to Harlingen flight tickets
United Airlines
Aug 18
SFO7:05 amSan Francisco
6h 54m
1 stop
HRL3:59 pmHarlingen Valley Intl
Aug 22
HRL5:18 pmHarlingen Valley Intl
6h 27m
1 stop
SFO9:45 pmSan Francisco
$307
United Airlines
Sep 2
SFO7:05 amSan Francisco
6h 54m
1 stop
HRL3:59 pmHarlingen Valley Intl
Sep 9
HRL7:15 amHarlingen Valley Intl
6h 24m
1 stop
SFO11:39 amSan Francisco
$347
United Airlines
Aug 15
SFO12:24 pmSan Francisco
7h 28m
1 stop
HRL9:52 pmHarlingen Valley Intl
Aug 19
HRL1:59 pmHarlingen Valley Intl
6h 30m
1 stop
SFO6:29 pmSan Francisco
$418

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 August 4, 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

Thu 8/27

10:05 am-8:30 pm

1 stop8h 25m

Harlingen Valley Intl

Wed 9/2

1:45 pm-6:40 pm

1 stop6h 55m

$247

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 8/27

7:00 am-8:30 pm

2 stops11h 30m

Harlingen Valley Intl

Wed 9/2

1:45 pm-6:40 pm

1 stop6h 55m

$252

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 8/27

7:00 am-8:30 pm

2 stops11h 30m

Harlingen Valley Intl

Wed 9/2

12:35 pm-7:05 pm

2 stops8h 30m

$297

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 8/18

7:05 am-3:59 pm

1 stop6h 54m

Harlingen Valley Intl

Sat 8/22

5:18 pm-9:45 pm

1 stop6h 27m

$307

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 8/18

5:33 am-6:13 pm

2 stops10h 40m

Harlingen Valley Intl

Sat 8/22

6:43 pm-11:10 pm

1 stop6h 27m

$331
Quickest round-trip

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 9/2

7:05 am-3:59 pm

1 stop6h 54m

Harlingen Valley Intl

Wed 9/9

7:15 am-11:39 am

1 stop6h 24m

$347

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 10/31

2:30 pm-10:48 pm

1 stop6h 18m

Harlingen Valley Intl

Wed 11/4

1:59 pm-9:46 pm

1 stop9h 47m

$347

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 8/15

5:00 am-3:50 pm

2 stops8h 50m

Harlingen Valley Intl

Wed 8/19

1:45 pm-6:40 pm

1 stop6h 55m

$363

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 8/18

5:40 am-4:45 pm

2 stops9h 05m

Harlingen Valley Intl

Sat 8/22

6:05 am-2:45 pm

2 stops10h 40m

$368

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 8/15

5:00 am-3:50 pm

2 stops8h 50m

Harlingen Valley Intl

Wed 8/19

7:25 am-2:40 pm

2 stops9h 15m

$398

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 month to fly to Harlingen?

If you aren’t able to travel during the month of December, then book flights to Harlingen from San Francisco during January instead. Flights to Harlingen in January, while not as cheap as those in December, still average around $0.

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

6h 15m

Direct flights

None
The fastest flight from San Francisco to Harlingen takes 6h 15m
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 6h 15m.

  • 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
11,850 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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