Cheap flights from Portland to San Francisco from £51
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to San Francisco departing on 16/9. 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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Alaska Airlines flights from Portland to San Francisco
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Delta flights from Portland to San Francisco
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How to get the cheapest flight ticket from Portland to San Francisco
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 San Francisco?
The month of January is, on average, the cheapest month to fly to San Francisco from Portland, with most prices found around £70. If you are unable to visit San Francisco during the month of January, then departing from Portland during the month August is also very affordable. Most momondo users find prices during this month for around £114.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart on your flight to San Francisco is on a Thursday when prices can be found for as low as £31. This is often the case because there is less demand to fly during this day of the week. Flights from Portland to San Francisco on a Wednesday will generally be more expensive and average around £949. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to San Francisco?
Our most recent data shows that the best time of day to fly to San Francisco is in the morning. Flights from Portland to San Francisco during this time can be as low as £164. Try not to purchase tickets at midday because they tend to be around £744. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Portland to San Francisco flight route?
Fly from Portland to San Francisco for the best Portland - San Francisco flight prices
How far in advance should I book a flight to San Francisco?
You are more likely to see cheaper flights to San Francisco from Portland when booking 5 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around £141 when searching 5 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Francisco from Portland for as low as £106 on momondo.
What cabin class options are available on Portland to San Francisco flights?
There are 3 cabin classes available to choose from on Portland to San Francisco flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
How many flights depart from Portland to San Francisco on average per day?
As of June 2025, there are 55 flights per day flying from Portland to San Francisco. The most common time of day flights depart is 07:00, with 44% of flights taking off at midday.
How many flights depart from Portland to San Francisco on average per week?
388 flights are operational weekly from Portland to San Francisco as of June 2025. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.
When to book flights from Portland to San Francisco
Cheap Portland to San Francisco (PDX to SFO) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Portland to San Francisco
Best price found | £51 |
|---|---|
Fastest flight time | 1h 48m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Portland to San Francisco by plane?
The straight-line distance from Portland to San Francisco is 534.1 mi. By plane, this route typically takes 1h 48m.
When did momondo last update prices for flights from Portland Airport to San Francisco Airport?
Prices for flights from Portland Airport to San Francisco Airport were last updated today.
How many operators does momondo search for flights from Portland Airport to San Francisco Airport?
As of June 2025, there are 2 operators available to choose from for flights from Portland Airport to San Francisco Airport.
How old do you have to be to fly from Portland Airport to San Francisco Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to San Francisco Airport.
What documentation or ID do you need to fly to San Francisco Airport?
The necessary travel and health documents for your San Francisco Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Portland to San Francisco?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Portland to San Francisco is Boeing 737-800 Passenger/BBJ2 (winglets) (12.68% of total bookings). The next most popular plane models are Boeing 737 (11.58%), Embraer 175 (11.48%), and Boeing 737-900 Passenger/BBJ3 (winglets) (11.43%).
What is the most popular airline from Portland to San Francisco?
Based on momondo bookings for flights between Portland and San Francisco, the leading airline is Frontier, making up 62% of the total bookings. Other popular airlines include Alaska Airlines with 38%.
Best airlines flying from Portland to San Francisco
Compare and see reviews for airlines that fly from Portland to San Francisco with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £28 | Free Cancellation | Rating 5.9 3,295 reviews | |||
| PriceFrom £58 | Free Cancellation | Rating 8.0 10,000 reviews |
Alaska Airlines Flights From Portland to San Francisco
Alaska Airlines flies from Portland to San Francisco around 13 times per week, with 10,000 momondo users rating the airline 8.0/10. The cheapest Alaska Airlines deal from Portland to San Francisco in the last 72 hours was £78 (round-trip), much lower than the average airfare cost of £222 for Alaska Airlines flights on this route.
Frontier Flights From Portland to San Francisco
Frontier is also a popular choice for this route. Frontier flight deals for Portland to San Francisco start from as low as £38 round-trip, depending on your selected dates, with average Frontier deals seen on momondo around £218. Frontier operates 1 flight to San Francisco from Portland in an average week. Users have rated it 5.9/10 across 3,295 reviews.
Travelling to a place near San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Portland to San Francisco?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Francisco from Portland.
Can I find flights from Portland to San Francisco with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Francisco from Portland with this policy.
How can momondo help me find flights from Portland to San Francisco?
Once all potential Portland to San Francisco flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Portland to San Francisco right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to San Francisco from Portland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.