$184+ Cheap flights from San Francisco to Harlingen (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 10/30. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Nov 13 — Nov 201
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 October 14, 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 October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/278:48 am -
1 stop8h 59m
Sat 10/311:59 pm -
1 stop8h 04m
Deal found 10/12![United Airlines logo]()
$487
This Southwest deal was found by Cheapflights users on 10/11. 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 11/221:45 pm -
1 stop5h 45m
Fri 11/276:40 am -
1 stop13h 15m
Deal found 10/11![Southwest logo]()
$522
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 10/297:15 am -
1 stop6h 46m
Fri 10/307:10 am -
1 stop7h 43m
Deal found 10/9![United Airlines logo]()
$524
This United Airlines deal was found by Cheapflights users on 10/10. 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 10/195:00 am -
1 stop6h 23m
Fri 10/235:18 pm -
1 stop6h 32m
Deal found 10/10![United Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 10/10. 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 10/191:55 pm -
1 stop7h 00m
Fri 10/2312:55 pm -
2 stops8h 15m
Deal found 10/10![Southwest logo]()
$579
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 October 14, 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 October 14, 2026.
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 10/297:15 am -
1 stop6h 46m
Fri 10/307:10 am -
1 stop7h 43m
Deal found 10/9![United Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 10/10. 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 10/191:55 pm -
1 stop7h 00m
Fri 10/2312:55 pm -
2 stops8h 15m
Deal found 10/10![Southwest logo]()
$579
This United Airlines deal was found by Cheapflights users on 10/11. 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.
Thu 10/2212:25 pm -
1 stop7h 27m
Mon 10/261:59 pm -
1 stop6h 46m
Deal found 10/11![United Airlines logo]()
$614
Last-minute flights from San Francisco to HarlingenDiscover last-minute flight deals from San Francisco to Harlingen. Data last updated October 14, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Harlingen. Data last updated October 14, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 10/10. 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 10/195:00 am -
1 stop6h 23m
Fri 10/235:18 pm -
1 stop6h 32m
Deal found 10/10![United Airlines logo]()
$539
This Southwest deal was found by Cheapflights users on 10/10. 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 10/191:55 pm -
1 stop7h 00m
Fri 10/2312:55 pm -
2 stops8h 15m
Deal found 10/10![Southwest logo]()
$579
This United Airlines deal was found by Cheapflights users on 10/12. 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 10/278:48 am -
1 stop8h 59m
Sat 10/311:59 pm -
1 stop8h 04m
Deal found 10/12![United Airlines logo]()
$487
This United Airlines deal was found by Cheapflights users on 10/9. 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.
Thu 10/297:15 am -
1 stop6h 46m
Fri 10/307:10 am -
1 stop7h 43m
Deal found 10/9![United Airlines logo]()
$524
This Southwest deal was found by Cheapflights users on 10/11. 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 11/221:45 pm -
1 stop5h 45m
Fri 11/276:40 am -
1 stop13h 15m
Deal found 10/11![Southwest logo]()
$522
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 October 14, 2026.
Search for one-way flight options from San Francisco to Harlingen. Find affordable one-way fares based on user searches. Data last updated October 14, 2026.
This American Airlines deal was found by Cheapflights users on 10/11. 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 10/3012:11 am -
1 stop7h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![American Airlines logo]()
$184
This Booking.com deal was found by Cheapflights users on 10/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:59 pm -
1 stop9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Sun Country Air logo]()
$293
This Mytrip deal was found by Cheapflights users on 10/14. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/2111:20 am -
3 stops21h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Multiple Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 10/14. 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 11/215:10 am -
2 stops10h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/14![Southwest logo]()
$321
This Mytrip deal was found by Cheapflights users on 10/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/319:14 am -
3 stops24h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/11![Multiple Airlines logo]()
$396
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 October 14, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $487 (United Airlines) |
One-way from | $184 (American Airlines) |
Popular in | April |
Cheapest in | September |
Average price | $398 |
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 7,457,451 searches. Data last updated October 14, 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
Quickest round-trip
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 10/31
7:15 am-6:12 pm
2 stops8h 57m
Harlingen Valley Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$206
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 11/21
11:59 pm-11:04 am
1 stop9h 05m
Harlingen Valley Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$293
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 11/21
11:20 am-11:04 am
3 stops21h 44m
Harlingen Valley Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$306
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 11/21
5:10 am-5:45 pm
2 stops10h 35m
Harlingen Valley Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$321
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Sat 10/31
9:14 am-12:09 pm
3 stops24h 55m
Harlingen Valley Intl
Wed 12/31
12:00 am-10:00 pm
Nonstop0h 00m
$396
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Thu 10/29
7:15 am-4:01 pm
1 stop6h 46m
Harlingen Valley Intl
Fri 10/30
7:10 am-12:53 pm
1 stop7h 43m
$524
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Mon 10/19
1:55 pm-10:55 pm
1 stop7h 00m
Harlingen Valley Intl
Fri 10/23
12:55 pm-7:10 pm
2 stops8h 15m
$579
San FranciscoHarlingen
SFO San Francisco - HRL Harlingen Valley Intl
SFOHRL
San Francisco
Thu 10/22
12:25 pm-9:52 pm
1 stop7h 27m
Harlingen Valley Intl
Mon 10/26
1:59 pm-6:45 pm
1 stop6h 46m
$614
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 October.
| 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 October 14, 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.
Overall
7.0
Food
6.4
Entertainment
6.8
Crew
7.9
Boarding
7.4
Comfort
7.2
Reviews
1 / 20
2.0
MediocreDamon,Oct 2024
SFO - ORD
Overall
7.0
Food
6.4
Entertainment
6.8
Crew
7.9
Boarding
7.4
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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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 October 14, 2026.
San Francisco and Harlingen flights
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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 7,457,451 searches. Data last updated October 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$519 | FlexibilityNo cancel fee | On-time71% |