Cheap flights from Portland to San Francisco (PWM - SFO) from $119

Users have found that flying from Portland, Maine to San Francisco on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

To save on the cost of your flight from Portland, Maine to San Francisco, book at least 53 days before your planned departure. Booking around this time can save you about 47% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $640 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $765.

January can be a great time to fly to San Francisco from Portland, Maine with a flight ticket averaging about $568. Cheapflights users have found deals in the month of January for as cheap as $253. The most expensive prices can be found in the month of July.

Unlike in the morning, when flights are generally more expensive, you can save up to 37% on flights from Portland, Maine to San Francisco by exploring options for tickets in the afternoon.

Yes, there are multiple flights from Portland, Maine to San Francisco for under $300. The cheapest flight booked recently is on American Airlines for just $254, but on average you can expect to pay $324.

There are currently 4+ open flights from Portland, Maine to San Francisco within the next 7 days for less than $300.

American Airlines, at $254, was found to be the cheapest airline from Portland, Maine to San Francisco.Alternate airlines to your destination round-trip include United Airlines and Frontier. Users have found that American Airlines is 55% cheaper than the other options available to this destination.

The cheapest airlines for a one-way flight from Portland, Maine to San Francisco are Frontier ($119), Delta ($129), and United Airlines ($132).

When booking a flight from Portland, Maine to San Francisco, you may want to consider flying on American Airlines, JetBlue or Delta as they are the most popular for this route.

Great question - PWM to SFO just means Portland Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights!

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Francisco from Portland today with Cheapflights!

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Portland to San Francisco.

Need flexible booking options for your flight to San Francisco from Portland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Yes, Cheapflights does offer price alerts on Portland to San Francisco flights so you can book your travels when it’s right. The Price Alert feature is available after a flight search is performed above.