$119+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — HRL
Jun 11 — Jun 181
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
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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 May 12, 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 May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 5/2611:37 am
SFO
- HRL
2 stops10h 37m
American Airlines
Tue 6/98:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/11![American Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 5/7. 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
SFO
- HRL
1 stop6h 29m
United Airlines
Wed 8/192:00 pm
HRL
- SFO
1 stop6h 29m
United Airlines
Deal found 5/7![United Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 5/306:54 pm
SFO
- HRL
2 stops13h 19m
American Airlines
Tue 6/28:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/9![American Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:25 am
SFO
- HRL
1 stop10h 25m
Southwest
Tue 6/302:10 pm
HRL
- SFO
1 stop6h 40m
Southwest
Deal found 5/12![Southwest logo]()
$348
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 5/286:45 am
SFO
- HRL
1 stop7h 40m
American Airlines
Wed 6/38:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/9![American Airlines logo]()
$369
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 May 12, 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 May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 5/265:23 am
SFO
- HRL
1 stop9h 02m
American Airlines
Tue 6/98:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/7![American Airlines logo]()
$252
This United Airlines deal was found by Cheapflights users on 5/7. 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
SFO
- HRL
1 stop6h 29m
United Airlines
Wed 8/192:00 pm
HRL
- SFO
1 stop6h 29m
United Airlines
Deal found 5/7![United Airlines logo]()
$337
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/236:00 am
SFO
- HRL
2 stops8h 15m
Southwest
Tue 6/302:10 pm
HRL
- SFO
1 stop6h 40m
Southwest
Deal found 5/12![Southwest logo]()
$358
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Fri 5/2911:29 pm
SFO
- HRL
1 stop8h 44m
American Airlines
Wed 6/38:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/9![American Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:25 am
SFO
- HRL
1 stop10h 25m
Southwest
Sat 7/410:00 am
HRL
- SFO
1 stop9h 45m
Southwest
Deal found 5/12![Southwest logo]()
$390
This United Airlines deal was found by Cheapflights users on 5/9. 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 5/247:05 am
SFO
- HRL
1 stop6h 54m
United Airlines
Thu 5/285:20 pm
HRL
- SFO
1 stop8h 55m
United Airlines
Deal found 5/9![United Airlines logo]()
$399
Last-minute flights from San Francisco to HarlingenDiscover last-minute flight deals from San Francisco to Harlingen. Data last updated May 12, 2026 and is based on user searches.
Discover last-minute flight deals from San Francisco to Harlingen. Data last updated May 12, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Tue 5/2611:37 am
SFO
- HRL
2 stops10h 37m
American Airlines
Tue 6/98:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/11![American Airlines logo]()
$252
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 5/286:45 am
SFO
- HRL
1 stop7h 40m
American Airlines
Wed 6/38:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/9![American Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 5/285:40 am
SFO
- HRL
2 stops8h 45m
American Airlines
Thu 6/48:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/9![American Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 5/306:54 pm
SFO
- HRL
2 stops13h 19m
American Airlines
Thu 6/48:04 pm
HRL
- SFO
1 stop6h 44m
American Airlines
Deal found 5/9![American Airlines logo]()
$342
This Southwest deal was found by Cheapflights users on 5/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/238:25 am
SFO
- HRL
1 stop10h 25m
Southwest
Tue 6/302:10 pm
HRL
- SFO
1 stop6h 40m
Southwest
Deal found 5/12![Southwest logo]()
$348
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 May 12, 2026.
Search for one-way flight options from San Francisco to Harlingen. Find affordable one-way fares based on user searches. Data last updated May 12, 2026.
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2311:30 pm
SFO
- HRL
1 stop8h 46m
American Airlines
Deal found 5/8![American Airlines logo]()
$119
This United Airlines deal was found by Cheapflights users on 5/11. 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 5/285:00 am
SFO
- HRL
1 stop8h 59m
United Airlines
Deal found 5/11![United Airlines logo]()
$129
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Mon 6/15:00 am
SFO
- HRL
1 stop8h 59m
United Airlines
Deal found 5/8![United Airlines logo]()
$169
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:45 am
SFO
- HRL
1 stop7h 38m
American Airlines
Deal found 5/8![American Airlines logo]()
$174
This United Airlines deal was found by Cheapflights users on 5/10. 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.
Wed 5/275:00 am
SFO
- HRL
1 stop8h 59m
United Airlines
Deal found 5/10![United Airlines logo]()
$179
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/296:45 am
SFO
- HRL
2 stops10h 51m
American Airlines
Deal found 5/8![American Airlines logo]()
$182
This Southwest deal was found by Cheapflights users on 5/8. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2310:40 am
SFO
- HRL
2 stops7h 30m
Southwest
Deal found 5/8![Southwest logo]()
$190
This American Airlines deal was found by Cheapflights users on 5/11. 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.
Thu 5/2812:18 pm
SFO
- HRL
2 stops9h 56m
American Airlines
Deal found 5/11![American Airlines logo]()
$202
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:45 am
SFO
- HRL
2 stops10h 51m
American Airlines
Deal found 5/8![American Airlines logo]()
$214
This American Airlines deal was found by Cheapflights users on 5/8. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2111:30 pm
SFO
- HRL
1 stop8h 46m
American Airlines
Deal found 5/8![American Airlines logo]()
$219
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Thu 9/245:00 am
SFO
- HRL
1 stop8h 58m
United Airlines
Deal found 5/8![United Airlines logo]()
$224
This Southwest deal was found by Cheapflights users on 5/11. 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.
Thu 6/1111:00 am
SFO
- HRL
2 stops8h 40m
Southwest
Deal found 5/11![Southwest logo]()
$234
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 May 12, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $252 (American Airlines) |
One-way from | $119 (American Airlines) |
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 May 12, 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 - HRL
SFOHRL
San Francisco
Tue 5/26
5:23 am-4:25 pm
1 stop9h 02m
Harlingen Valley Intl
Tue 6/9
8:04 pm-12:48 am
1 stop6h 44m
$252
Quickest round-trip
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Tue 8/18
7:05 am-3:34 pm
1 stop6h 29m
Harlingen Valley Intl
Wed 8/19
2:00 pm-6:29 pm
1 stop6h 29m
$337
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Tue 6/23
6:00 am-4:15 pm
2 stops8h 15m
Harlingen Valley Intl
Tue 6/30
2:10 pm-6:50 pm
1 stop6h 40m
$358
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Fri 5/29
11:29 pm-10:13 am
1 stop8h 44m
Harlingen Valley Intl
Wed 6/3
8:04 pm-12:48 am
1 stop6h 44m
$369
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Tue 6/23
8:25 am-8:50 pm
1 stop10h 25m
Harlingen Valley Intl
Sat 7/4
10:00 am-5:45 pm
1 stop9h 45m
$390
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Sun 5/24
7:05 am-3:59 pm
1 stop6h 54m
Harlingen Valley Intl
Thu 5/28
5:20 pm-12:15 am
1 stop8h 55m
$399
Cheapest one-way
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Thu 5/28
5:23 am-4:25 pm
1 stop9h 02m
$129
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Thu 5/28
5:00 am-3:59 pm
1 stop8h 59m
$129
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Mon 6/1
5:00 am-3:59 pm
1 stop8h 59m
$169
San FranciscoHarlingen
SFO - HRL
SFOHRL
San Francisco
Wed 5/27
5:00 am-3:59 pm
1 stop8h 59m
$179
Showing 1-10 of 16 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 May.
| 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 May 12, 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.
Comfort
7.2
Boarding
7.5
Entertainment
6.9
Food
6.4
Overall
7.1
Crew
7.9
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
Comfort
7.2
Boarding
7.5
Entertainment
6.9
Food
6.4
Overall
7.1
Crew
7.9
Reviews
1 / 20
8.0
ExcellentMonica,Nov 2025
JAC - DFW
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.
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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 May 12, 2026.
San Francisco and Harlingen flights
Browse other San Francisco and Harlingen flight options. Last updated on May 12, 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 May 12, 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 May 12, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$231 | Average$504 | FlexibilityNo cancel fee | On-time71% |