Cheap flights from San Francisco to Portland from $109
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San Francisco to Portland departing on 5/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Delta flights from San Francisco to Portland, Maine
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How to get the cheapest flight ticket from San Francisco to Portland, Maine
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Portland, Maine?
The cheapest month to fly to Portland, Maine from San Francisco is in January. Flight prices, which tend to average around $331, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $376.
What is the cheapest day to depart on your flight to Portland, Maine?
On average, the least expensive day to fly to Portland, Maine from San Francisco is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $450. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from San Francisco because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $634.
What is the cheapest time of day to depart on your flight to Portland, Maine?
In the afternoon is the cheapest time of day to fly from San Francisco to Portland, Maine when you can find flight prices for as low as $408. Flying to Portland, Maine in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $560. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Portland, Maine?
You are more likely to see cheaper flights to Portland, Maine from San Francisco when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $524 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from San Francisco for as low as $339 on momondo.
What is the cheapest airline that flies from San Francisco to Portland?
American Airlines, Frontier, and Delta are the most popular carriers operating from San Francisco to Portland
What airlines fly to Portland, Maine?
JetBlue, Delta and United Airlines are the top three most popular airlines that fly to Portland, Maine from San Francisco according to our data. JetBlue is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 10 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.
When to book flights from San Francisco to Portland, Maine
Cheap San Francisco to Portland, Maine (SFO to PWM) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from San Francisco to Portland, Maine
How far is San Francisco to Portland by plane?
The distance between San Francisco and Portland is about 2713.8 mi. By plane, this route typically takes 6h 46m.
When did momondo last update prices for flights from San Francisco Airport to Portland Airport?
Prices for flights from San Francisco Airport to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from San Francisco Airport to Portland Airport?
As of April 2025, there are 6 operators available to choose from for flights from San Francisco Airport to Portland Airport.
How old do you have to be to fly from San Francisco Airport to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from San Francisco Airport to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The travel and health documents required for your trip to Portland Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Portland Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular airline from San Francisco to Portland, Maine?
momondo data reveals that the most frequently booked airline on the route from San Francisco to Portland, Maine is American Airlines, representing 43% of all bookings. The subsequent popular airlines are United Airlines at 38%, Delta at 12%, and JetBlue at 3%.
Best airlines flying from San Francisco to Portland, Maine
Compare and see reviews for airlines that fly from San Francisco to Portland, Maine with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $247 | Free Cancellation | Rating 7.3 2,924 reviews | |||
| PriceFrom $247 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $256 | Free Cancellation | Rating 8.0 7,936 reviews | |||
| PriceFrom $276 | Free Cancellation | Rating 8.0 4,294 reviews | |||
| PriceFrom $298 | Free Cancellation | Rating 6.9 346 reviews | |||
| PriceFrom $325 | Free Cancellation | Rating 7.4 8,696 reviews |
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from San Francisco to Portland?
It is quick and easy to find San Francisco to Portland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Portland that suits you.
Can I find flights from San Francisco to Portland with flexible booking policies on momondo?
Flights from San Francisco to Portland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from San Francisco to Portland?
Once you have performed a search for San Francisco to Portland flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from San Francisco to Portland right now. Can momondo alert me if prices change?
If you are not ready to book a flight from San Francisco to Portland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Portland and let you know when they change.