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Harlingen

$310+ 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 11/30. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Dec 2 — Dec 91
Tue 12/2
Tue 12/9
1 adult, Economy
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Cheap 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 November 2, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$310
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$335
Provider with most accurate pricing for San Francisco-Harlingen Valley Intl flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Harlingen Valley Intl flights.
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From San Francisco to Harlingen Valley Intl
Search Deals
Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($22 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find 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 November 2, 2025.

This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/3012:43 amSFO - HRL
1 stop8h 16mUnited Airlines
Mon 12/85:00 pmHRL - SFO
1 stop8h 59mUnited Airlines
Deal found 11/1$310
This Southwest deal was found by Cheapflights users on 11/1. 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 12/16:30 amSFO - HRL
2 stops11h 05mSouthwest
Mon 12/87:30 amHRL - SFO
1 stop7h 55mSouthwest
Deal found 11/1$349
This Southwest deal was found by Cheapflights users on 10/30. 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.
Sun 11/162:45 pmSFO - HRL
1 stop5h 45mSouthwest
Tue 11/187:30 amHRL - SFO
1 stop7h 55mSouthwest
Deal found 10/30$359
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 11/1611:59 pmSFO - HRL
1 stop7h 52mAmerican Airlines
Tue 11/185:40 amHRL - SFO
2 stops9h 49mAmerican Airlines
Deal found 10/30$364
This United Airlines deal was found by Cheapflights users on 10/30. 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 11/1512:43 amSFO - HRL
1 stop8h 16mUnited Airlines
Tue 11/185:00 amHRL - SFO
1 stop9h 10mUnited Airlines
Deal found 10/30$509
This United Airlines deal was found by Cheapflights users on 10/31. 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 11/156:00 amSFO - HRL
2 stops11h 39mUnited Airlines
Wed 11/1912:10 pmHRL - SFO
1 stop9h 15mUnited Airlines
Deal found 10/31$598
This United Airlines deal was found by Cheapflights users on 11/1. 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.
Sun 11/237:10 pmSFO - HRL
1 stop18h 49mUnited Airlines
Sat 11/297:00 amHRL - SFO
1 stop7h 10mUnited Airlines
Deal found 11/1$892

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 November 2, 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

Sun 11/30

12:43 am-10:59 am

1 stop8h 16m

Harlingen Valley Intl

Mon 12/8

5:00 pm-11:59 pm

1 stop8h 59m

$310

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Tue 3/10

8:13 am-4:10 pm

1 stop5h 57m

Harlingen Valley Intl

Wed 3/11

7:55 pm-12:24 am

1 stop6h 29m

$326

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 3/9

12:43 am-10:59 am

1 stop8h 16m

Harlingen Valley Intl

Wed 3/11

9:20 am-2:39 pm

1 stop7h 19m

$327

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Mon 12/1

6:30 am-7:35 pm

2 stops11h 05m

Harlingen Valley Intl

Mon 12/8

7:30 am-1:25 pm

1 stop7h 55m

$349

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sun 11/16

2:45 pm-10:30 pm

1 stop5h 45m

Harlingen Valley Intl

Tue 11/18

7:30 am-1:25 pm

1 stop7h 55m

$359

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sun 11/16

11:59 pm-9:51 am

1 stop7h 52m

Harlingen Valley Intl

Tue 11/18

5:40 am-1:29 pm

2 stops9h 49m

$364

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 12/20

11:59 pm-10:41 am

1 stop8h 42m

$323

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 12/20

9:30 pm-10:47 am

2 stops35h 17m

$384

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 12/19

12:30 am-11:13 am

1 stop8h 43m

$1,681

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/31

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 November.
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 $162). 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 November 2, 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 November 2, 2025.
Get a feel of what it's like to fly with United Airlines and 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.
United Airlines
7.4
Good
8,994 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,994 reviews
United Airlines
7.4
Good
8,994 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
11,033 reviews
United Airlines
7.4
Good
8,994 reviews

Crew

8.1

Boarding

7.7

Overall

7.4

Comfort

7.3

Entertainment

7.1

Food

6.6

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 5h 57m. Fly via United Airlines or American Airlines 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 are the cheapest airlines flying from San Francisco to Harlingen, Texas round-trip?

    Cheapflights users have booked flights from San Francisco to Harlingen, Texas round-trip from $232. Another airline that can offer you cheap pricing is United Airlines. These flights 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 $162). 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 2 airlines flying from San Francisco to Harlingen

Discover the top 2 airlines 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 November 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$232Average$436FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$236Average$570FlexibilityNo cancel feeOn-time69%

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