$124+ Cheap flights from San Francisco to Harlingen (SFO - HRL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Sep 9 — Sep 161
Round-trip
1 adult, Economy
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Find cheap flights from San Francisco to Harlingen with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from San Francisco to Harlingen
Cheapest
Best
Last-minute
One-way
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 August 10, 2026.
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 August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/6. 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 8/2710:05 am -
1 stop8h 25m
Wed 9/21:45 pm -
1 stop6h 55m
Deal found 8/6![Southwest logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/52:14 pm -
1 stop6h 40m
Fri 9/115:28 pm -
1 stop8h 00m
Deal found 8/6![American Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:10 am -
2 stops10h 45m
Fri 9/1111:55 am -
1 stop7h 40m
Deal found 8/6![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 8/187:05 am -
1 stop6h 54m
Thu 8/201:59 pm -
1 stop6h 30m
Deal found 8/9![United Airlines logo]()
$327
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/312:30 pm -
1 stop6h 18m
Wed 11/41:59 pm -
1 stop9h 47m
Deal found 8/6![United Airlines logo]()
$347
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/217:05 am -
1 stop6h 54m
Tue 8/255:18 pm -
1 stop6h 27m
Deal found 8/6![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 8/9. 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.
Tue 8/188:40 am -
2 stops9h 30m
Thu 8/2011:55 am -
1 stop7h 40m
Deal found 8/9![Southwest logo]()
$372
Best flights from San Francisco to HarlingenDiscover 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 August 10, 2026.
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 August 10, 2026.
This Southwest deal was found by Cheapflights users on 8/6. 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 8/277:00 am -
2 stops11h 30m
Wed 9/21:45 pm -
1 stop6h 55m
Deal found 8/6![Southwest logo]()
$252
This United Airlines deal was found by Cheapflights users on 8/8. 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 10/312:30 pm -
1 stop6h 18m
Wed 11/41:59 pm -
1 stop9h 47m
Deal found 8/8![United Airlines logo]()
$347
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:10 am -
2 stops10h 45m
Fri 9/1111:55 am -
1 stop7h 40m
Deal found 8/6![Southwest logo]()
$298
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/237:05 am -
1 stop6h 54m
Thu 8/275:18 pm -
1 stop9h 09m
Deal found 8/8![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 8/6. 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 10/910:30 am -
1 stop10h 20m
Sun 10/116:00 am -
2 stops8h 30m
Deal found 8/6![Southwest logo]()
$410
This United Airlines deal was found by Cheapflights users on 8/9. 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 9/512:24 pm -
1 stop7h 28m
Sat 9/125:18 pm -
1 stop8h 17m
Deal found 8/9![United Airlines logo]()
$437
Last-minute flights from San Francisco to HarlingenDiscover last-minute flight deals from San Francisco to Harlingen. Data last updated August 10, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Harlingen. Data last updated August 10, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 8/9. 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.
Tue 8/187:05 am -
1 stop6h 54m
Thu 8/201:59 pm -
1 stop6h 30m
Deal found 8/9![United Airlines logo]()
$327
This Southwest deal was found by Cheapflights users on 8/9. 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.
Tue 8/188:40 am -
2 stops9h 30m
Thu 8/2011:55 am -
1 stop7h 40m
Deal found 8/9![Southwest logo]()
$372
This United Airlines deal was found by Cheapflights users on 8/6. 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 8/217:05 am -
1 stop6h 54m
Tue 8/255:18 pm -
1 stop6h 27m
Deal found 8/6![United Airlines logo]()
$367
This Southwest deal was found by Cheapflights users on 8/6. 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 8/2710:05 am -
1 stop8h 25m
Wed 9/21:45 pm -
1 stop6h 55m
Deal found 8/6![Southwest logo]()
$247
This American Airlines deal was found by Cheapflights users on 8/6. 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 9/52:14 pm -
1 stop6h 40m
Fri 9/115:28 pm -
1 stop8h 00m
Deal found 8/6![American Airlines logo]()
$282
This Southwest deal was found by Cheapflights users on 8/6. 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.
Sat 9/56:10 am -
2 stops10h 45m
Fri 9/1111:55 am -
1 stop7h 40m
Deal found 8/6![Southwest logo]()
$298
One-way flights from San Francisco to HarlingenSearch for one-way flight options from San Francisco to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
Search for one-way flight options from San Francisco to Harlingen. Find affordable one-way fares based on user searches. Data last updated August 10, 2026.
This United Airlines deal was found by Cheapflights users on 8/6. 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 10/55:00 am -
1 stop8h 59m
Deal found 8/6![United Airlines logo]()
$124
This American Airlines deal was found by Cheapflights users on 8/6. 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 11/155:30 am -
1 stop6h 47m
Deal found 8/6![American Airlines logo]()
$174
This Southwest deal was found by Cheapflights users on 8/6. 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 10/511:30 am -
2 stops9h 20m
Deal found 8/6![Southwest logo]()
$205
This United Airlines deal was found by Cheapflights users on 8/8. 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 8/217:05 am -
1 stop6h 54m
Deal found 8/8![United Airlines logo]()
$214
This American Airlines deal was found by Cheapflights users on 8/9. 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 8/235:30 am -
1 stop8h 57m
Deal found 8/9![American Airlines logo]()
$221
This United Airlines deal was found by Cheapflights users on 8/9. 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 8/232:20 pm -
3 stops21h 04m
Deal found 8/9![United Airlines logo]()
$609
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 August 10, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $247 (Southwest) |
One-way from | $124 (United Airlines) |
Popular in | April |
Cheapest in | October |
Average price | $515 |
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 August 10, 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
Cheapest round-trip
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Thu 8/27
7:00 am-8:30 pm
2 stops11h 30m
Harlingen Valley Intl
Wed 9/2
1:45 pm-6:40 pm
1 stop6h 55m
$252
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 9/5
6:10 am-6:55 pm
2 stops10h 45m
Harlingen Valley Intl
Fri 9/11
11:55 am-5:35 pm
1 stop7h 40m
$298
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 10/31
2:30 pm-10:48 pm
1 stop6h 18m
Harlingen Valley Intl
Wed 11/4
1:59 pm-9:46 pm
1 stop9h 47m
$347
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sun 8/23
7:05 am-3:59 pm
1 stop6h 54m
Harlingen Valley Intl
Thu 8/27
5:18 pm-12:27 am
1 stop9h 09m
$367
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Fri 10/9
10:30 am-10:50 pm
1 stop10h 20m
Harlingen Valley Intl
Sun 10/11
6:00 am-12:30 pm
2 stops8h 30m
$410
Quickest round-trip
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 9/5
12:24 pm-9:52 pm
1 stop7h 28m
Harlingen Valley Intl
Sat 9/12
5:18 pm-11:35 pm
1 stop8h 17m
$437
Cheapest one-way
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Mon 10/5
5:00 am-3:59 pm
1 stop8h 59m
$124
Quickest one-way
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sun 11/15
5:30 am-2:17 pm
1 stop6h 47m
$174
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Mon 10/5
11:30 am-10:50 pm
2 stops9h 20m
$205
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sun 11/15
5:15 am-4:05 pm
2 stops8h 50m
$205
Showing 1-10 of 13 resultsSorted 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 August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Harlingen 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 flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Harlingen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Harlingen 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 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.
SFO-HRL
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.
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 August 10, 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.
Entertainment
6.8
Crew
7.9
Boarding
7.5
Food
6.4
Overall
7.1
Comfort
7.2
Reviews
1 / 20
2.0
MediocreDamon,Oct 2024
SFO - ORD
Entertainment
6.8
Crew
7.9
Boarding
7.5
Food
6.4
Overall
7.1
Comfort
7.2
Reviews
1 / 20
2.0
MediocreDamon,Oct 2024
SFO - ORD
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.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from San Francisco to Harlingen by cabin class
Find flights from San Francisco to Harlingen, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
San Francisco and Harlingen flights
Browse other San Francisco and Harlingen flight options. Last updated on August 10, 2026.
Other flights from San Francisco
Browse through other flights departing from San Francisco. Flights are based on user searches made on Cheapflights and were last updated on August 10, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 August 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$231 | Average$515 | FlexibilityNo cancel fee | On-time71% |