Cheap flights from Portland to San Francisco (PWM - SFO) from $122

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 $245, but on average you can expect to pay $280.

There are currently 20+ open flights from Portland, Maine to San Francisco within the next 7 days for less than $500.

American Airlines, at $245, was found to be the cheapest airline from Portland, Maine to San Francisco.Alternate airlines to your destination round-trip include United Airlines and Delta. 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 American Airlines ($122), United Airlines ($123), and Delta ($128).

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!

The amount of baggage you can bring on your Portland to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

Yes, Cheapflights allows you to browse and filter Portland to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

Yes. In addition to deals on Portland to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to San Francisco.

Yes. Cheapflights offers flight deals from Portland to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Many airlines flying from Portland to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

Yes, you can often find last-minute deals on Portland to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

The Portland, Maine to San Francisco flight deals you see on this page were last updated on 5/30.

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.

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to San Francisco (average of $268). Flying from Portland, Maine to San Francisco in June is currently the most expensive (average of $385). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.