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Harlingen

$247+ Cheap flights from San Francisco to Harlingen, TX (SFO - HRL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap 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 January 29, 2026.

This American Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:35 pm
SFO
-
HRL
1 stop8h 37m
American Airlines
Mon 3/98:06 pm
HRL
-
SFO
1 stop6h 42m
American Airlines
Deal found 1/27$247
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:45 am
SFO
-
HRL
1 stop8h 38m
United Airlines
Tue 4/2812:05 pm
HRL
-
SFO
1 stop7h 08m
United Airlines
Deal found 1/28$337
This Southwest deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2711:35 am
SFO
-
HRL
1 stop8h 35m
Southwest
Mon 3/95:30 pm
HRL
-
SFO
2 stops9h 20m
Southwest
Deal found 1/27$338
This American Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:30 am
SFO
-
HRL
1 stop7h 42m
American Airlines
Sun 3/18:06 pm
HRL
-
SFO
1 stop6h 42m
American Airlines
Deal found 1/28$385
This Southwest deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/121:15 pm
SFO
-
HRL
2 stops8h 15m
Southwest
Tue 2/176:35 am
HRL
-
SFO
1 stop10h 05m
Southwest
Deal found 1/27$425
This United Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/212:43 am
SFO
-
HRL
1 stop8h 41m
United Airlines
Wed 3/412:10 pm
HRL
-
SFO
1 stop6h 58m
United Airlines
Deal found 1/28$427

Find flight deals from San Francisco to Harlingen

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$247
(American Airlines)

Popular in

October

Cheapest in

November
Provider with most accurate pricing for San Francisco-Harlingen Valley Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Harlingen Valley Intl flights.
Search Deals
From San Francisco to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($20 potential savings vs. average RT price).
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from San Francisco to Harlingen that are best for you.

Fly from

San Francisco

Fly to

Harlingen

Route

Depart

Return

Price

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 2/27

11:35 pm-10:12 am

1 stop8h 37m

Harlingen Valley Intl

Mon 3/9

8:06 pm-12:48 am

1 stop6h 42m

$247

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 4/25

12:45 am-11:23 am

1 stop8h 38m

Harlingen Valley Intl

Tue 4/28

12:05 pm-5:13 pm

1 stop7h 08m

$337

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 2/27

11:35 am-10:10 pm

1 stop8h 35m

Harlingen Valley Intl

Mon 3/9

5:30 pm-12:50 am

2 stops9h 20m

$338

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 2/24

12:30 am-10:12 am

1 stop7h 42m

Harlingen Valley Intl

Sun 3/1

8:06 pm-12:48 am

1 stop6h 42m

$385

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 2/12

1:15 pm-11:30 pm

2 stops8h 15m

Harlingen Valley Intl

Tue 2/17

6:35 am-2:40 pm

1 stop10h 05m

$425

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 3/2

12:43 am-11:24 am

1 stop8h 41m

Harlingen Valley Intl

Wed 3/4

5:22 pm-11:59 pm

1 stop8h 37m

$427

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Compare providers for flights from San Francisco to Harlingen

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Harlingen in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Francisco-Harlingen, Texas flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Harlingen, Texas flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Harlingen, Texas flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Francisco-Harlingen, Texas flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Harlingen, Texas flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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, December is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $129). Flying from San Francisco to Harlingen, Texas in April is currently the most expensive (average of $289). 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.

Reviews of airlines servicing Harlingen

Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated January 29, 2026.
Get a feel of what it's like to fly with 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.
American Airlines
7.2
Good
11,205 reviews

Boarding

7.5

Food

6.4

Overall

7.2

Crew

8.0

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.
American Airlines
7.2
Good
11,205 reviews
American Airlines
7.2
Good
11,205 reviews

Boarding

7.5

Food

6.4

Overall

7.2

Crew

8.0

Entertainment

6.9

Comfort

7.2

Reviews

1 / 20
8.0
Excellent

Monica,Nov 2025

JAC - DFW

At least there was an option of entertainment on this flight.

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?

    There are many flights that can get you from San Francisco to Harlingen, Texas in 8h 35m. Fly via American Airlines, United Airlines, or Southwest 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 is the cheapest airline to fly from San Francisco to Harlingen, Texas round-trip?

    Cheapflights users have booked flights from San Francisco to Harlingen, Texas round-trip from $236. This flight start at 44% 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, December is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $129). Flying from San Francisco to Harlingen, Texas in April is currently the most expensive (average of $289). 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

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Alternative routes for San Francisco to Harlingen

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Top airline flying from San Francisco to Harlingen

Discover the top airline that operate flights from San Francisco to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$236Average$453FlexibilityNo cancel feeOn-time71%

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