Cheap Flights From San Francisco Intl. (SFO) To Sky Harbor Intl. (PHX)

If you need to get from San Francisco to Phoenix, there are plenty of airlines that will take you there. Check out these reputable carriers that have direct flights from San Francisco Airport to PHX:

• United Airlines - (UA) with 121 flights every month
• American Airlines - (AA) with 121 flights every month
• Southwest Airlines - (WN) with 91 flights every month
• Alaska Airlines - (AS) with 30 flights every month

Here's the deal: It is typically possible to start comparing international airfares on Travelocity.ca up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2-4 weeks prior to their travel dates.*According to flight demand on Travelocity.ca from January to December 2021. Savings are subject to change and may vary depending on selections made.