American Airlines has round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $128-$148, NONSTOP. Flights August to November. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available.
Main Cabin. Not Basic. A Carry-on bag, personal item, and seat selection is allowed for free on American.
United, Delta, and Alaska Airlines have round-trip flights from Seattle (SEA) to San Francisco (SFO) for $118-$125, NONSTOP. Flights September to November. Extended weekends available. Origin/Destination reversible.
A Carry-on bag and also a personal item is allowed for free on Delta or Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
United has round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $168, NONSTOP. Flights in June, August, September, October, November, December, January, February, and March. Weekends available. Origin/Destination reversible. Dates around Christmas are available.
Regular Economy. Not Basic. Carry-on bag and seat selection are allowed without a fee.
Delta has round-trip flights from Denver (DEN) to San Francisco, San Diego, or Santa Ana (SFO, SAN, SNA) for $96 with a connection. Flights August to November. No Sunday departures. Weekends available. Origin/Destination reversible.
Alaska Airlines and Delta have round-trip flights from Los Angeles (LAX) to San Francisco (SFO) for $88-$93, NONSTOP. Flights June to March. Weekends available. Origin/Destination reversible.
United and Alaska Airlines have round-trip flights from Portland (PDX) to San Francisco (SFO) for $98, NONSTOP. Flights April to May. Departures on Tuesday, Wednesday, and Saturday. Extended weekends available. Origin/Destination reversible.
Carry-on bag is allowed for free on Alaska Airlines. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
Frontier has round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $38, NONSTOP. Flights March to April. Departures on Wednesday and Saturday. Origin/Destination reversible.
Note: Frontier fares do not include a free carry-on bag. Only a small personal item, like a Jansport City Scout backpack is free. You can avoid paying for seat selection if you accept the randomly assigned seat prior to boarding.
Note: Frontier seats only have 28-inches of pitch; 2-to-3 inches less space than most other airlines.
JetBlue has round-trip flights from Los Angeles (LAX) to San Francisco (SFO) for $44, NONSTOP. Flights February to April. Departures on Tuesday and Wednesday. Origin/Destination reversible.
JetBlue has round-trip flights from New York/Newark (JFK/EWR) to San Francisco (SFO) for $140, NONSTOP. Flights February to March. Departures on Tuesday, Wednesday, and Saturday. Very few extended weekends available. Origin/Destination reversible.
United and American Airlines have round-trip flights from Phoenix (PHX) to San Francisco (SFO) for $80-$98, NONSTOP. Flights March to May. No Monday departures. Weekends available. Origin/Destination reversible.
Carry-on bag is allowed for free on American. You can avoid paying for seat selection by accepting the randomly assigned seat at the gate.
