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Harlingen

$327+ 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 4/13. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Apr 21 — Apr 281
Tue 4/21
Tue 4/28
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 March 22, 2026.

This United Airlines deal was found by Cheapflights users on 3/17. 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 4/1312:45 am
SFO
-
HRL
1 stop8h 38m
United Airlines
Wed 4/157:00 am
HRL
-
SFO
1 stop7h 18m
United Airlines
Deal found 3/17$327
This Southwest deal was found by Cheapflights users on 3/17. 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.
Mon 5/1111:25 am
SFO
-
HRL
1 stop7h 10m
Southwest
Fri 5/156:00 pm
HRL
-
SFO
2 stops8h 10m
Southwest
Deal found 3/17$343
This American Airlines deal was found by Cheapflights users on 3/20. 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 3/246:45 am
SFO
-
HRL
2 stops9h 31m
American Airlines
Mon 3/308:06 pm
HRL
-
SFO
1 stop6h 42m
American Airlines
Deal found 3/20$367
This United Airlines deal was found by Cheapflights users on 3/20. 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 3/3012:45 am
SFO
-
HRL
1 stop8h 38m
United Airlines
Wed 4/87:00 am
HRL
-
SFO
1 stop7h 18m
United Airlines
Deal found 3/20$387
This American Airlines deal was found by Cheapflights users on 3/17. 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.
Mon 5/1111:59 pm
SFO
-
HRL
1 stop8h 18m
American Airlines
Fri 5/152:51 pm
HRL
-
SFO
1 stop9h 09m
American Airlines
Deal found 3/17$406
This United Airlines deal was found by Cheapflights users on 3/20. 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 3/285:05 am
SFO
-
HRL
1 stop7h 33m
United Airlines
Sat 4/47:00 am
HRL
-
SFO
1 stop7h 18m
United Airlines
Deal found 3/20$416
This American Airlines deal was found by Cheapflights users on 3/20. 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 3/3111:35 pm
SFO
-
HRL
1 stop8h 37m
American Airlines
Mon 4/68:06 pm
HRL
-
SFO
1 stop6h 42m
American Airlines
Deal found 3/20$417

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 March 22, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$327
(United Airlines)

Popular in

October

Cheapest in

November

Average price

$464
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. 3% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 22, 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

Mon 4/13

12:45 am-11:23 am

1 stop8h 38m

Harlingen Valley Intl

Wed 4/15

7:00 am-12:18 pm

1 stop7h 18m

$327

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 5/11

10:10 am-8:35 pm

2 stops8h 25m

Harlingen Valley Intl

Fri 5/15

6:00 pm-11:45 pm

2 stops7h 45m

$415
Quickest round-trip

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 3/28

5:05 am-2:38 pm

1 stop7h 33m

Harlingen Valley Intl

Sat 4/4

7:00 am-12:18 pm

1 stop7h 18m

$416

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 4/23

11:25 am-8:35 pm

1 stop7h 10m

Harlingen Valley Intl

Sun 4/26

6:00 am-12:35 pm

2 stops8h 35m

$504

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 4/23

6:07 pm-11:23 am

1 stop15h 16m

Harlingen Valley Intl

Sun 4/26

10:59 am-4:59 pm

1 stop32h 00m

$512

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 4/6

11:50 am-10:10 pm

1 stop8h 20m

Harlingen Valley Intl

Mon 4/13

6:00 pm-12:10 am

2 stops8h 10m

$527
Cheapest one-way

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 3/26

10:10 am-10:10 pm

2 stops10h 00m

$351
Quickest one-way

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Wed 3/25

12:30 am-10:12 am

1 stop7h 42m

$508

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Thu 3/26

10:40 pm-9:09 am

3 stops56h 29m

$953

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/18

Sorted by cheapest first

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 March.
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, May is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $189). Flying from San Francisco to Harlingen, Texas in October is currently the most expensive (average of $592). 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 March 22, 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
7.1
Good
11,487 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Crew

7.9

Overall

7.1

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
7.1
Good
11,487 reviews
American Airlines
7.1
Good
11,487 reviews

Boarding

7.5

Food

6.4

Entertainment

6.9

Crew

7.9

Overall

7.1

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 38m. Fly via United Airlines to get the fastest option. Airlines will cover a distance of 1641 mi.

  • 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 $231. This flight start at 46% 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, May is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $189). Flying from San Francisco to Harlingen, Texas in October is currently the most expensive (average of $592). 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 March 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$231Average$453FlexibilityNo cancel feeOn-time71%

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