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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 1/28. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Southwest deal was found by Cheapflights users on 12/17. 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 12/291:20 pmSFO - HRL
1 stop7h 30mSouthwest
Mon 1/512:15 pmHRL - SFO
2 stops9h 55mSouthwest
Deal found 12/17$673
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/208:20 amSFO - HRL
2 stops11h 39mUnited Airlines
Wed 12/247:00 amHRL - SFO
1 stop9h 22mUnited Airlines
Deal found 12/17$736
This American Airlines deal was found by Cheapflights users on 12/16. 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 12/2611:59 pmSFO - HRL
1 stop7h 41mAmerican Airlines
Sun 1/48:11 pmHRL - SFO
1 stop19h 02mAmerican Airlines
Deal found 12/16$775
This United Airlines deal was found by Cheapflights users on 12/16. 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.
Fri 12/2612:30 amSFO - HRL
1 stop8h 43mUnited Airlines
Sun 1/45:20 pmHRL - SFO
2 stops17h 28mUnited Airlines
Deal found 12/16$834
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Sat 12/2712:07 pmSFO - HRL
1 stop8h 41mAmerican Airlines
Sun 1/48:11 pmHRL - SFO
1 stop17h 04mAmerican Airlines
Deal found 12/16$882
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Fri 12/2610:35 pmSFO - HRL
2 stops15h 31mUnited Airlines
Sun 1/45:20 pmHRL - SFO
2 stops17h 28mUnited Airlines
Deal found 12/17$900
This American Airlines deal was found by Cheapflights users on 12/17. 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.
Sat 12/207:07 pmSFO - HRL
2 stops12h 33mAmerican Airlines
Wed 12/2410:12 amHRL - SFO
2 stops11h 17mAmerican Airlines
Deal found 12/17$919

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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$327
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$778
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 ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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 December 18, 2025.
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

Wed 1/28

1:19 pm-9:59 pm

1 stop6h 40m

Harlingen Valley Intl

Sat 1/31

9:20 am-2:56 pm

1 stop7h 36m

$327

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 12/29

1:20 pm-10:50 pm

1 stop7h 30m

Harlingen Valley Intl

Mon 1/5

12:15 pm-8:10 pm

2 stops9h 55m

$673

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 12/26

12:30 am-11:13 am

1 stop8h 43m

Harlingen Valley Intl

Sun 1/4

5:20 pm-8:48 am

2 stops17h 28m

$834

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 12/27

12:07 pm-10:48 pm

1 stop8h 41m

Harlingen Valley Intl

Sun 1/4

8:11 pm-11:15 am

1 stop17h 04m

$882

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 3/13

9:30 pm-7:56 pm

2 stops20h 26m

$590

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Francisco-Harlingen, Texas flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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.

What is the cheapest time of day to fly from SFO to HRL?

Find hourly flight availability from San Francisco to Harlingen. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

A simple way to save on the total cost of your ticket is to fly from San Francisco to Harlingen, Texas in the evening. If you’re flexible enough to do this you can expect to save up to 49% on your trip compared to booking a flight in the afternoon.

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 December 18, 2025.
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
11,054 reviews

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

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
11,054 reviews
American Airlines
7.2
Good
11,054 reviews

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Entertainment

6.9

Food

6.5

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 6h 40m. 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 $232. This flight start at 47% 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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$232Average$436FlexibilityNo cancel feeOn-time71%

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