Portland to San Francisco for $77RT (DIRECT)
Great weekend specials from Sun Country Airlines between Portland and San Francisco. Friday and Monday are typically the most expensive days to fly, however, Sun Country has some amazing direct fares in March and April between these west coast destinations. Remember, Sun Country is an ultra low cost carrier. They will charge you for any luggage that does not fit under the seat in front of you. See the luggage chart below for details. Use ITA Matrix Software to locate the best dates and book direct through Sun Country to lock in these frugal fares!