Question 1

How many flights depart from San Francisco to Portland on average per week?

Accepted Answer

As of January 2026, 294 flights take off from San Francisco and land in Portland each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.

Question 2

Which airline has the best punctuality record on San Francisco to Portland flights?

Accepted Answer

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

Question 3

What is the cheapest day to depart on your flight to Portland?

Accepted Answer

The cheapest day to depart on your flight to Portland is on a Tuesday when prices can be found for as low as £116. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Portland is Thursday, with ticket prices averaging around £375.

Question 4

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Question 5

What is the cheapest time of day to depart on your flight to Portland?

Accepted Answer

Flying to Portland from San Francisco in the morning is the least expensive time of day to depart. momondo users have found prices as low as £117 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around £169. Of course, these prices can vary depending on the time of year and what airport you fly to.

Question 6

What is the most punctual flight time for San Francisco to Portland flights?

Accepted Answer

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 7

How far in advance should I book a flight to Portland?

Accepted Answer

You are more likely to see cheaper flights to Portland from San Francisco when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland for around £181 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland from San Francisco for as low as £119 on momondo.

Question 8

What is the cheapest month to fly to Portland?

Accepted Answer

The cheapest month to fly to Portland from San Francisco is in January. Flight prices, which tend to average around £117, are often lower during this time because this is during the off-season. If you don’t want to visit Portland in January, then you should wait until February to fly from San Francisco, when ticket prices are also cheap, with an average price of £141.

Question 9

What is the cheapest San Francisco to Portland flight route?

Accepted Answer

Fly from San Francisco to Portland for the best San Francisco - Portland flight prices

Question 10

What is the cheapest airline that flies from San Francisco to Portland?

Accepted Answer

Southwest, Alaska Airlines, and United Airlines are the most popular carriers operating from San Francisco to Portland

Question 11

How many flights depart from San Francisco to Portland on average per day?

Accepted Answer

42 flights are operational daily from San Francisco to Portland as of January 2026. The most popular departure time for this route is 17:00, with 41% of flights per day taking off in the afternoon.

Question 12

What cabin class options are available on San Francisco to Portland flights?

Accepted Answer

There are 4 cabin classes available to choose from on San Francisco to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 13

How have San Francisco to Portland flight prices changed over time?

Accepted Answer

As of January 2026, prices for San Francisco to Portland flights are approximately 43% more expensive when compared to flights at the same time last year.

Question 14

Can stopping save me money on San Francisco to Portland flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between San Francisco to Portland.

Question 15

How often are flights from San Francisco to Portland delayed?

Accepted Answer

Historically, on average around 14% of flights between San Francisco and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

Question 16

When did momondo last update prices for flights from San Francisco Airport to Portland Airport?

Accepted Answer

Prices for flights from San Francisco Airport to Portland Airport were last updated today.

Question 17

How many operators does momondo search for flights from San Francisco Airport to Portland Airport?

Accepted Answer

As of January 2026, there is 1 operator available to choose from for flights from San Francisco Airport to Portland Airport.

Question 18

How old do you have to be to fly from San Francisco Airport to Portland Airport?

Accepted Answer

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from San Francisco Airport to Portland Airport.

Question 19

What documentation or ID do you need to fly to Portland Airport?

Accepted Answer

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.

Fastest flight time	1h 50m
Direct flights	Every day
Airports in Portland	1 airport

Cheap flights from San Francisco to Portland from £57

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 11/2. 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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How to get the cheapest flight ticket from San Francisco to Portland

What is the cheapest month to fly to Portland?

What is the cheapest day to depart on your flight to Portland?

What is the cheapest time of day to depart on your flight to Portland?

What is the cheapest San Francisco to Portland flight route?

Fly from San Francisco to Portland for the best San Francisco - Portland flight prices

How far in advance should I book a flight to Portland?

What cabin class options are available on San Francisco to Portland flights?

There are 4 cabin classes available to choose from on San Francisco to Portland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on San Francisco to Portland flights?

No. A direct flight is the cheapest option for a flight between San Francisco to Portland.

How have San Francisco to Portland flight prices changed over time?

As of January 2026, prices for San Francisco to Portland flights are approximately 43% more expensive when compared to flights at the same time last year.

What is the cheapest airline that flies from San Francisco to Portland?

Southwest, Alaska Airlines, and United Airlines are the most popular carriers operating from San Francisco to Portland

How often are flights from San Francisco to Portland delayed?

Historically, on average around 14% of flights between San Francisco and Portland have experienced a delay on any given week. The average delay length over the past 12 months has been 121 minutes.

What is the most punctual flight time for San Francisco to Portland flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on San Francisco to Portland flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 11% of their flights experiencing any sort of delay.

How many flights depart from San Francisco to Portland on average per day?

42 flights are operational daily from San Francisco to Portland as of January 2026. The most popular departure time for this route is 17:00, with 41% of flights per day taking off in the afternoon.

How many flights depart from San Francisco to Portland on average per week?

As of January 2026, 294 flights take off from San Francisco and land in Portland each week. The most common flight departure day for this route is Fri, with 19% of weekly flights taking off on this day.

When to book flights from San Francisco to Portland

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When did momondo last update prices for flights from San Francisco Airport to Portland Airport?

How many operators does momondo search 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?

What documentation or ID do you need to fly to Portland Airport?

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