SFO - HRL

$169 Find Cheap Flights from San Francisco to Harlingen

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from San Francisco to Harlingen departing on 7/20. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Harlingen

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Harlingen, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from San Francisco to Harlingen, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$279
American Airlines
Tue 4/7Tue 4/14
SFO - HRL • 1 stop
Cheapest one-way
$169
American Airlines
Mon 7/20
SFO - HRL • 1 stop
Top airlines
American Airlines
Cheapest • from $279 (round-trip)
American Airlines
Best reviews • 7.1 score
Airline reviews
Airline reviews
+1
+1
Airline reviews
Airline reviews
+1
Nonstop flights
Not available
There are currently no direct flights between San Francisco and Harlingen. You'll need at least 1 connection.
Insights
Insights
Insights
Insights
Top layover airports
Dallas (DFW)
Cheapest • Avg $420 (round-trip)
Dallas (DFW)
Shortest trip • 6h 18m (one-way)
Insights
Insights
Insights
Insights
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Harlingen!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from San Francisco to Harlingen (SFO-HRL)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from San Francisco to Harlingen that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Harlingen

Tue, Apr 7 - Tue, Apr 14
American Airlines Logo
11:59 pm - 10:17 am
SFO
-
HRL
8h 18m
1 stop
American Airlines Logo
6:45 pm - 11:09 pm
HRL
-
SFO
6h 24m
1 stop
$279American Airlines
Tue, Apr 7 - Tue, Apr 14
Southwest Logo
10:30 am - 10:00 pm
SFO
-
HRL
9h 30m
2 stops
Southwest Logo
7:10 am - 1:05 pm
HRL
-
SFO
7h 55m
1 stop
$307Southwest
Tue, Apr 7 - Tue, Apr 14
Southwest Logo
10:30 am - 10:00 pm
SFO
-
HRL
9h 30m
2 stops
Southwest Logo
4:40 pm - 11:15 pm
HRL
-
SFO
8h 35m
2 stops
$312Southwest
Mon, Apr 13 - Wed, Apr 15
United Airlines Logo
12:45 am - 11:23 am
SFO
-
HRL
8h 38m
1 stop
United Airlines Logo
9:20 am - 2:53 pm
HRL
-
SFO
7h 33m
1 stop
$347United Airlines
Mon, Apr 13 - Wed, Apr 15
United Airlines Logo
12:45 am - 11:23 am
SFO
-
HRL
8h 38m
1 stop
United Airlines Logo
7:00 am - 12:18 pm
HRL
-
SFO
7h 18m
1 stop
$367United Airlines
Tue, Apr 14 - Wed, Apr 15
United Airlines Logo
6:25 pm - 11:23 am
SFO
-
HRL
14h 58m
2 stops
United Airlines Logo
5:18 pm - 11:59 pm
HRL
-
SFO
8h 41m
1 stop
$393United Airlines
Tue, Apr 14 - Wed, Apr 15
United Airlines Logo
5:00 am - 4:04 pm
SFO
-
HRL
9h 04m
1 stop
United Airlines Logo
5:18 pm - 7:29 am
HRL
-
SFO
16h 11m
2 stops
$400United Airlines
Tue, Apr 14 - Wed, Apr 15
United Airlines Logo
4:37 pm - 11:23 am
SFO
-
HRL
16h 46m
2 stops
United Airlines Logo
5:18 pm - 11:59 pm
HRL
-
SFO
8h 41m
1 stop
$409United Airlines
Fri, Jul 31 - Thu, Aug 6
Southwest Logo
6:05 am - 5:00 pm
SFO
-
HRL
8h 55m
2 stops
Southwest Logo
11:55 am - 5:35 pm
HRL
-
SFO
7h 40m
1 stop
$414Southwest
Fri, Jul 31 - Fri, Aug 7
Southwest Logo
12:50 pm - 9:40 pm
SFO
-
HRL
6h 50m
1 stop
Southwest Logo
6:20 am - 11:35 am
HRL
-
SFO
7h 15m
1 stop
$419Southwest
Booking Insights

KAYAK's insights & trends for San Francisco to Harlingen flights

Get data-powered insights and trends into flights from San Francisco to Harlingen to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from San Francisco to Harlingen?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from San Francisco to Harlingen were found on American Airlines ($279) and Southwest ($307).

Find deals

Good to know

Low seasonNovember
Cheapest flight$169
Best time to beat the crowds with an average 27% drop in price.
Most popular time to fly and prices are also 13% lower on average.
Flight from San Francisco to Harlingen

When to book flights from San Francisco to Harlingen

Are your dates flexible? Find out the best times to travel from San Francisco to Harlingen based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from San Francisco to Harlingen

  • What is the cheapest flight from San Francisco to Harlingen?

    In the last 3 days, the lowest price for a flight from San Francisco to Harlingen was $174 for a one-way ticket and $279 for a round-trip.

  • Do I need a passport to fly between San Francisco and Harlingen?

    Even though you are not required to have a passport, keep in mind that an official ID is needed to board the airplane.

  • Which aircraft models fly most regularly from San Francisco to Harlingen?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from San Francisco to Harlingen?

    oneworld is the only airline alliance operating flights between San Francisco and Harlingen.

  • How does KAYAK find such low prices on flights from San Francisco to Harlingen?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from San Francisco to Harlingen.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from San Francisco to Harlingen?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Harlingen from San Francisco is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from San Francisco to Harlingen?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Harlingen with an airline and back to San Francisco with another airline. Booking your flights between San Francisco and HRL can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from San Francisco to Harlingen?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Harlingen from San Francisco up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top airline flying from San Francisco to Harlingen

 
See real verified KAYAK customer reviews for airlines flying from San Francisco to Harlingen. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from San Francisco to Harlingen? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.1
American AirlinesOverall score based on 11472 reviews
6.9Entertainment
7.9Crew
7.5Boarding
6.4Food
7.2Comfort
Airline reviews

Where do I start!! I was delayed with my flight from Dallas to Tampa. On the way back from Tampa to Dallas the flight was delayed over 4 hours+. I was put on another flight that was also delayed but not as long. Traveling on American Airlines is becoming exhausing.

2.0 MediocreSharon, Mar 2026
TPA - DFW
Read more American Airlines reviews

Where do I start!! I was delayed with my flight from Dallas to Tampa. On the way back from Tampa to Dallas the flight was delayed over 4 hours+. I was put on another flight that was also delayed but not as long. Traveling on American Airlines is becoming exhausing.

Dloght delayed by 2.5 hrs . Common theme in my last four american floghts

The flight attendants and the service is getting worse by the day.

They are rarely on time! Very hard to plan your travels when flights or connections keep getting delayed.

Forced to check bags. Crew uninterested in collecting trash. Unclean seats.

The worst Airline ever. They centered my second flight and leave me in NY. They don’t have any representatives at the airport and they don’t respond to calls. Basically I got stuck. I will never purchase through there again.

The chicken wrap was tiny ($13 for what looked like a 1/3 of a normal wrap?) and disgusting.

Mediocre would be best description. Food bland. Seat biz class uncomfortable to sleep. Crew never dimmed lights completely in an overnight flight to Europe. Would avoid AA if possible.

Massimo, flight attendant was very authentic, attentive - wonderful. Food/wrap was just okay.

I am an AA flyer for a very long time... AA has yet to disappoint.

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

Information on your arrival and departure airports

San Francisco (SFO)
Harlingen (HRL)