$237+ Cheap flights from Harlingen to San Francisco (HRL - SFO)
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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
HRL — SFO
Jul 31 — Aug 71
Round-trip
1 adult, Economy
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Find cheap flights from Harlingen to San Francisco 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 Harlingen to San Francisco
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Best
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Cheapest flights from Harlingen to San FranciscoExplore the most affordable flight options available from Harlingen to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
Explore the most affordable flight options available from Harlingen to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 1, 2026.
This Southwest deal was found by Cheapflights users on 6/29. 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 8/711:55 am
HRL
- SFO
1 stop7h 40m
Southwest
Tue 8/1112:15 pm
SFO
- HRL
1 stop5h 55m
Southwest
Deal found 6/29![Southwest logo]()
$237
This Southwest deal was found by Cheapflights users on 6/28. 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 11/265:55 am
HRL
- SFO
2 stops10h 25m
Southwest
Wed 12/26:55 am
SFO
- HRL
2 stops8h 20m
Southwest
Deal found 6/28![Southwest logo]()
$287
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 9/38:03 pm
HRL
- SFO
1 stop6h 08m
American Airlines
Sun 9/66:36 am
SFO
- HRL
1 stop7h 51m
American Airlines
Deal found 6/25![American Airlines logo]()
$319
This Southwest deal was found by Cheapflights users on 6/29. 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 7/315:15 am
HRL
- SFO
2 stops7h 45m
Southwest
Mon 8/312:50 pm
SFO
- HRL
1 stop6h 55m
Southwest
Deal found 6/29![Southwest logo]()
$322
This United Airlines deal was found by Cheapflights users on 6/29. 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 11/175:05 am
HRL
- SFO
1 stop9h 14m
United Airlines
Wed 11/185:00 am
SFO
- HRL
1 stop9h 00m
United Airlines
Deal found 6/29![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 6/25. 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 9/311:55 am
HRL
- SFO
1 stop7h 40m
Southwest
Sun 9/66:05 am
SFO
- HRL
2 stops8h 35m
Southwest
Deal found 6/25![Southwest logo]()
$353
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 7/238:04 pm
HRL
- SFO
1 stop6h 39m
American Airlines
Thu 7/305:29 am
SFO
- HRL
1 stop8h 54m
American Airlines
Deal found 6/25![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 6/26. 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 9/411:55 am
HRL
- SFO
1 stop7h 40m
Southwest
Sun 9/66:05 am
SFO
- HRL
2 stops8h 35m
Southwest
Deal found 6/26![Southwest logo]()
$392
Best flights from Harlingen to San FranciscoDiscover carefully curated flight deals from Harlingen to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
Discover carefully curated flight deals from Harlingen to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 1, 2026.
This Southwest deal was found by Cheapflights users on 6/28. 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 8/711:55 am
HRL
- SFO
1 stop7h 40m
Southwest
Tue 8/1112:15 pm
SFO
- HRL
1 stop5h 55m
Southwest
Deal found 6/28![Southwest logo]()
$237
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 9/38:03 pm
HRL
- SFO
1 stop6h 08m
American Airlines
Sun 9/66:36 am
SFO
- HRL
1 stop7h 51m
American Airlines
Deal found 6/25![American Airlines logo]()
$319
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/35:10 am
HRL
- SFO
1 stop7h 15m
United Airlines
Sun 7/55:00 am
SFO
- HRL
1 stop6h 30m
United Airlines
Deal found 6/29![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 6/26. 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 9/46:20 am
HRL
- SFO
2 stops8h 50m
Southwest
Sun 9/66:05 am
SFO
- HRL
2 stops8h 35m
Southwest
Deal found 6/26![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 6/25. 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 9/35:30 am
HRL
- SFO
2 stops8h 25m
Southwest
Sun 9/66:05 am
SFO
- HRL
2 stops8h 35m
Southwest
Deal found 6/25![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 6/25. 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 7/2310:40 am
HRL
- SFO
2 stops10h 00m
Southwest
Thu 7/3010:10 am
SFO
- HRL
1 stop9h 35m
Southwest
Deal found 6/25![Southwest logo]()
$438
This Southwest deal was found by Cheapflights users on 6/27. 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 7/35:35 pm
HRL
- SFO
2 stops8h 55m
Southwest
Sun 7/510:10 am
SFO
- HRL
2 stops11h 45m
Southwest
Deal found 6/27![Southwest logo]()
$504
Last-minute flights from Harlingen to San FranciscoDiscover last-minute flight deals from Harlingen to San Francisco. Data last updated July 1, 2026 and is based on user searches.
Discover last-minute flight deals from Harlingen to San Francisco. Data last updated July 1, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Thu 7/28:04 pm
HRL
- SFO
1 stop6h 39m
American Airlines
Sun 7/55:29 am
SFO
- HRL
1 stop8h 54m
American Airlines
Deal found 6/26![American Airlines logo]()
$427
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/35:10 am
HRL
- SFO
1 stop7h 15m
United Airlines
Sun 7/55:00 am
SFO
- HRL
1 stop6h 30m
United Airlines
Deal found 6/29![United Airlines logo]()
$419
This Southwest deal was found by Cheapflights users on 6/27. 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 7/35:35 pm
HRL
- SFO
2 stops8h 55m
Southwest
Sun 7/510:10 am
SFO
- HRL
2 stops11h 45m
Southwest
Deal found 6/27![Southwest logo]()
$504
This American Airlines deal was found by Cheapflights users on 6/25. 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.
Thu 7/238:04 pm
HRL
- SFO
1 stop6h 39m
American Airlines
Thu 7/305:29 am
SFO
- HRL
1 stop8h 54m
American Airlines
Deal found 6/25![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 6/25. 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 7/2310:40 am
HRL
- SFO
2 stops10h 00m
Southwest
Thu 7/305:10 am
SFO
- HRL
2 stops9h 50m
Southwest
Deal found 6/25![Southwest logo]()
$437
This Southwest deal was found by Cheapflights users on 6/29. 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 7/315:15 am
HRL
- SFO
2 stops7h 45m
Southwest
Mon 8/312:50 pm
SFO
- HRL
1 stop6h 55m
Southwest
Deal found 6/29![Southwest logo]()
$322
One-way flights from Harlingen to San FranciscoSearch for one-way flight options from Harlingen to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
Search for one-way flight options from Harlingen to San Francisco. Find affordable one-way fares based on user searches. Data last updated July 1, 2026.
This United Airlines deal was found by Cheapflights users on 6/30. 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.
Sun 8/27:20 am
HRL
- SFO
1 stop6h 15m
United Airlines
Deal found 6/30![United Airlines logo]()
$390
This American Airlines deal was found by Cheapflights users on 6/26. 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 7/58:04 pm
HRL
- SFO
1 stop6h 39m
American Airlines
Deal found 6/26![American Airlines logo]()
$475
This Southwest deal was found by Cheapflights users on 6/26. 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 7/55:40 am
HRL
- SFO
2 stops8h 05m
Southwest
Deal found 6/26![Southwest logo]()
$509
This United Airlines deal was found by Cheapflights users on 6/26. 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 7/57:20 am
HRL
- SFO
3 stops14h 20m
United Airlines
Deal found 6/26![United Airlines logo]()
$1,729
Find flight deals from Harlingen to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Harlingen (HRL) to San Francisco (SFO). 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 July 1, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $237 (Southwest) |
Popular in | October |
Cheapest in | September |
Average price | $386 |
Cheapflights Fare Finder
Customize your flight search to find flights from Harlingen to San Francisco 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 July 1, 2026.
Use the filters below to find and compare flights from Harlingen to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Fri 8/7
11:55 am-5:35 pm
1 stop7h 40m
San Francisco
Tue 8/11
12:15 pm-8:10 pm
1 stop5h 55m
$237
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Thu 9/3
8:03 pm-12:11 am
1 stop6h 08m
San Francisco
Sun 9/6
6:36 am-4:27 pm
1 stop7h 51m
$319
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Fri 9/4
6:20 am-1:10 pm
2 stops8h 50m
San Francisco
Sun 9/6
6:05 am-4:40 pm
2 stops8h 35m
$397
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Thu 9/3
5:30 am-11:55 am
2 stops8h 25m
San Francisco
Sun 9/6
6:05 am-4:40 pm
2 stops8h 35m
$397
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Fri 7/3
5:10 am-10:25 am
1 stop7h 15m
San Francisco
Sun 7/5
5:00 am-1:30 pm
1 stop6h 30m
$419
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Thu 7/23
10:40 am-6:40 pm
2 stops10h 00m
San Francisco
Thu 7/30
10:10 am-9:45 pm
1 stop9h 35m
$438
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Fri 7/3
5:35 pm-12:30 am
2 stops8h 55m
San Francisco
Sun 7/5
10:10 am-11:55 pm
2 stops11h 45m
$504
Cheapest one-way
Quickest one-way
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Sun 8/2
7:20 am-11:35 am
1 stop6h 15m
$390
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Sun 7/5
5:40 am-11:45 am
2 stops8h 05m
$509
HarlingenSan Francisco
HRL - SFO
HRLSFO
Harlingen Valley Intl
Sun 7/5
7:20 am-7:40 pm
3 stops14h 20m
$1,729
Sorted by cheapest first
Compare providers for flights from Harlingen to San Francisco
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 Harlingen to San Francisco in July.
| 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 Harlingen-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Harlingen-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Harlingen-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Harlingen-San Francisco 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 Harlingen-San Francisco 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 Harlingen to San Francisco
Have a flexible travel schedule? Discover the best time to fly to San Francisco from Harlingen with our price prediction graph.
HRL-SFO
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 San Francisco
Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated July 1, 2026.
Read through reviews of airlines operating flights from Harlingen to San Francisco, such as American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
7.2
Entertainment
6.8
Boarding
7.5
Overall
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Comfort
7.2
Entertainment
6.8
Boarding
7.5
Overall
7.1
Crew
7.9
Food
6.4
Reviews
1 / 20
2.0
MediocreAnonymous,Mar 2026
MIA - SFO
Related info for your journey
Find useful and relevant information for your journey from Harlingen to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Fairfield
Burlingame
Redwood City
Rancho Cordova
Roseville
Cupertino
Emeryville
Newark
San Bruno
Watsonville
Hayward
San Ramon
San Carlos
Daly City
Turlock
Vallejo
San Lorenzo
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Harlingen and San Francisco flights
Browse other Harlingen and San Francisco flight options. Last updated on July 1, 2026.
Other flights from Harlingen
Browse through other flights departing from Harlingen. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Other flights to San Francisco
Explore flights to San Francisco departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 1, 2026.
Top airline flying from Harlingen to San Francisco
Discover the top airline that operate flights from Harlingen to San Francisco. 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 July 1, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$158 | Average$399 | FlexibilityNo cancel fee | On-time71% |