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 $229. Other airlines that can offer you cheap pricing are Delta, from $400, and United Airlines, from $532. These flights start at 49% lower than the current average price 3 months from now.

What is the cheapest day to fly from San Francisco to Harlingen, Texas?

Travelers seeking maximum savings on their San Francisco to Harlingen, Texas flight should consider departing on Monday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from San Francisco to Harlingen, Texas?

Users have found that flying from San Francisco to Harlingen, Texas on a Tuesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from San Francisco to Harlingen, Texas?

Due to multiple factors, expect to potentially pay more when booking in December. For low rates, October can be a great choice for travel to Harlingen, Texas. Flights to Harlingen, Texas from San Francisco in October are about $452 on average during October, but can be found for as low as $241.

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.

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.

$229+ Flights from San Francisco to Harlingen, TX

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Cheap flight deals from San Francisco to Harlingen

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$229 (American Airlines)
Popular in	December
Cheapest in	October
Average price	$522

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. 14% potential increase in price ($75 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($23 potential savings vs. average RT price).

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Average for round-trip flights in March 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 March 25, 2025.

Sat 5/2411:30 pmSFO - HRL

1 stop8h 13mAmerican Airlines

Sat 5/317:56 pmHRL - SFO

1 stop6h 26mAmerican Airlines

Deal found 3/24

$229

Fri 5/234:20 pmSFO - HRL

2 stops17h 35mDelta

Mon 5/265:19 pmHRL - SFO

2 stops16h 34mDelta

Deal found 3/24

$400

Sat 5/245:15 amSFO - HRL

1 stop6h 10mUnited Airlines

Mon 5/265:20 pmHRL - SFO

2 stops16h 07mUnited Airlines

Deal found 3/24

$532

Best flights from San Francisco to Harlingen
Discover carefully curated flight deals from San Francisco to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Sat 5/2411:30 pmSFO - HRL

1 stop8h 13mAmerican Airlines

Sat 5/317:56 pmHRL - SFO

1 stop6h 26mAmerican Airlines

Deal found 3/24

$229

Fri 5/234:20 pmSFO - HRL

2 stops17h 35mDelta

Mon 5/265:19 pmHRL - SFO

2 stops16h 34mDelta

Deal found 3/24

$400

Sat 5/245:15 amSFO - HRL

1 stop6h 10mUnited Airlines

Mon 5/265:20 pmHRL - SFO

2 stops16h 07mUnited Airlines

Deal found 3/24

$532

Cheapflights Fare Finder

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

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 5/24

11:30 pm-9:43 am

1 stop8h 13m

Harlingen Valley Intl

Sat 5/31

7:56 pm-12:22 am

1 stop6h 26m

$229

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Fri 5/23

4:20 pm-11:55 am

2 stops17h 35m

Harlingen Valley Intl

Mon 5/26

5:19 pm-7:53 am

2 stops16h 34m

$400

San FranciscoHarlingen

SFO - HRL

SFOHRL

San Francisco

Sat 5/24

5:15 am-1:25 pm

1 stop6h 10m

Harlingen Valley Intl

Mon 5/26

5:20 pm-7:27 am

2 stops16h 07m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from San Francisco to Harlingen

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.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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, April is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $267). Flying from San Francisco to Harlingen, Texas in July is currently the most expensive (average of $419). 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?

A simple way to save on the total cost of your ticket is to fly from San Francisco to Harlingen, Texas in the afternoon. If you’re flexible enough to do this you can expect to save up to 42% on your trip compared to booking a flight in the morning.

Rainfall in Harlingen by month

In terms of precipitation, rainfall in Harlingen, Texas ranges from 1.1 - 5.2 inches per month. September is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Harlingen, Texas when rainfall is around 1.1 in.

Temperature in Harlingen by month

If weather is an important factor for your trip to Harlingen, Texas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 60.8 F).

Reviews of airlines servicing Harlingen

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta

8.0

Very good

7,890 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines

7.4

Good

8,605 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,890 reviews

Reviews

1 / 20

10.0

Excellent

Michael,Sep 2023

SMF - ATL

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

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 $229. Other airlines that can offer you cheap pricing are Delta, from $400, and United Airlines, from $532. These flights start at 49% 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, April is the cheapest month in which you can book a flight from San Francisco to Harlingen, Texas (average of $267). Flying from San Francisco to Harlingen, Texas in July is currently the most expensive (average of $419). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from San Francisco to Harlingen

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$236	Average$536	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$246	Average$371	FlexibilityNo cancel fee	On-time71%

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$229+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from San Francisco to Harlingen with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from San Francisco to Harlingen

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from San Francisco to Harlingen

Cheapest flights from San Francisco to HarlingenExplore 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 25, 2025.

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 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Harlingen that are best for you.

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.

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.

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?

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 March 25, 2025.

Rainfall in Harlingen by month

Plan your trip to Harlingen by taking into account the average rainfall totals by month.

Temperature in Harlingen by month

Plan your trip to Harlingen by taking into account the average temperature totals by month.

Reviews of airlines servicing Harlingen

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.

What are the cheapest airlines flying from San Francisco to Harlingen, Texas round-trip?

Can I find deals for flights from San Francisco to Harlingen that include hotel bookings?

How can I find direct flights from San Francisco to Harlingen?

Can I find deals for business class flights from San Francisco to Harlingen?

What is the cheapest month to book a flight from San Francisco to Harlingen, Texas?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for San Francisco to Harlingen

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from San Francisco to Harlingen

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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 25, 2025.