
Book Cheap United flight from San Francisco (SFO) to Harlingen (HRL)
Find The Best Day to Book a Cheap United Flights From San Francisco to Harlingen
Frequently asked questions
Grab a great United flight from SFO to HRL
To find a great deal on United flights with Travelocity, simply enter your origin and destination airports, pick your travel dates, and hit search. From here, you can sort by price, flight duration, and arrival/departure time. You can also filter to find nonstop flights.
Flying United San Francisco to Harlingen gives you fights to choose from. With that direct flight time of , you’ll be touching down before you know it.
Find cheap flights with United between San Francisco and Harlingen
United has a range of great fares on stacks of flights, and to find the most affordable for you, there are a few tricks you can try. Booking in advance, for example, is a great way to grab a fantastic deal. Also, choose the cheapest month, if you can. One-way flights from San Francisco to Harlingen with United are .
The more flexible you are, the more affordable flights you’re likely to find. Consider one-way flights and connecting flights, as well as standard roundtrip and direct options. Even if you’re flying today, cheap last-minute flights are easy to find by entering your travel dates and hitting search.
Reasons to book your United flights with Travelocity
Travelocity makes it easy to book a seat, anywhere in the world. The vast inventory, fast search, and advanced filters put some of the best deals on the planet in one place. Whether you’re traveling on business, with friends, family, or on your own, take your pick from some fantastic options. And with free cancellation and pay later options, you can travel more and worry less.
Airport code | Country | Airport name | Number of flights |
---|---|---|---|
ORD | USA | O'Hare Intl. | 227 |
DEN | USA | Denver Intl. | 226 |
IAH | USA | George Bush Intercontinental | 136 |
IAD | USA | Washington Dulles Intl. | 100 |
SFO | USA | San Francisco Intl. | 64 |
LAX | USA | Los Angeles Intl. | 23 |
EWR | USA | Liberty Intl. | 20 |
FRA | DEU | Frankfurt Intl. | 19 |
NRT | JPN | Narita Intl. | 19 |
PEK | CHN | Capital Intl. | 16 |
Travelers ❤️ these 🏨 after their flight to Harlingen

Sage House North - stylish,cozy, in the heart of Harlingen!

Holiday Inn Express Harlingen by IHG
Reviewed on Jul. 15, 2025

Smart lock Boho chic 4 min from Airport
Reviewed on Jun. 17, 2025
Want more than a(n) United Flight from San Francisco to Harlingen?
Popular United Flight Routes from SFO
Domestic
- Denver to Calgary (DEN - YYC)
- Montreal to Cali (YUL - CLO)
- Toronto to Manila (YYZ - MNL)
- Toronto to Orange County (YYZ - SNA)
- Victoria to Las Vegas (YYJ - LAS)
- Montreal to Dammam (YUL - DMM)
- Toronto to Jeddah (YYZ - JED)
- Vancouver to Boston (YVR - BOS)
- Toronto to Los Angeles (YYZ - LAX)
- Edmonton to Comayagua (YEG - XPL)
International
- Toronto to Delhi (YYZ - DEL)
- Vancouver to Manila (YVR - MNL)
- Vancouver to Fort Lauderdale (YVR - FLL)
- Fredericton to Orlando (YFC - MCO)
- Victoria to Las Vegas (YYJ - LAS)
- Toronto to Manila (YYZ - MNL)
- Toronto to New York (YYZ - LGA)
- Denver to Calgary (DEN - YYC)
- Ottawa to Kuala Lumpur (YOW - KUL)
- Vancouver to Fort Lauderdale (YVR - FLL)
Most Popular
- Edmonton to Orange County (YEG - SNA)
- Vancouver to Palm Springs (YVR - PSP)
- Detroit to Dallas (DTW - DFW)
- Edmonton to Los Angeles (YEG - LAX)
- Delta Los Angeles (LAX) to Honolulu (HNL) flights
- Buffalo to Dallas (BUF - DFW)
- Toronto to Los Angeles (YYZ - LAX)
- Toronto to Austin (YYZ - AUS)
- Vancouver to San Diego (YVR - SAN)
- Vancouver to Sacramento (YVR - SMF)
- Air Canada Toronto (YYZ) to Houston (IAH) flights
- Los Angeles to Vancouver (LAX - YVR)
- Toronto to Orange County (YYZ - SNA)
- Vancouver to Dallas (YVR - DFW)
- Toronto to Dallas (YYZ - DFW)
- Toronto to Houston (YYZ - IAH)
- Los Angeles to Toronto (LAX - YYZ)
- Xining to El Paso (XNN - ELP)
- Vancouver to Los Angeles (YVR - LAX)
- Victoria to Los Angeles (YYJ - LAX)
- Buffalo to Houston (BUF - IAH)
- Calgary to Houston (YYC - IAH)
- Detroit to Los Angeles (DTW - LAX)
- Vancouver to Orange County (YVR - SNA)
- WestJet Calgary (YYC) to Palm Springs (PSP) flights
- Buffalo to Los Angeles (BUF - LAX)
- Edmonton to Dallas (YEG - DFW)
- Toronto to San Antonio (YYZ - SAT)
- Air Canada Toronto (YYZ) to San Diego (SAN) flights
- Montreal to Los Angeles (YUL - LAX)