Cheap flights from Portland to San Francisco from $39
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 8/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Discover deals from 900+ travel sites with momondo.
Save money when you book flights with momondo
Big names and deals
Big names and deals
Search 100s of travel sites to compare prices.Filter for what you want
Filter for what you want
Free Wi-Fi? Stopover? Instantly customize your results.Trusted and free
Trusted and free
We’re completely free to use - no hidden charges or fees.Price Alerts
Price Alerts
Not ready to book? to track prices.Find the cheapest flights from Portland to San Francisco
Cheap round-trip flights
Cheap one-way flights
Cheap last minute flights
Cheap direct flights
Alaska Airlines flights from Portland to San Francisco
Our best Alaska Airlines deals on Portland to San Francisco flight tickets
Frontier flights from Portland to San Francisco
Our best Frontier deals on Portland to San Francisco flight tickets
See travel insights to San Francisco from
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?
If you aren’t able to travel to San Francisco during the month of January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $151.
What is the cheapest day to depart on your flight to San Francisco?
The cheapest day to depart from Portland to San Francisco is on a Friday when prices can be found for as low as $339. The most expensive day to fly to San Francisco is Sunday, with ticket prices averaging around $724.
What is the cheapest time of day to depart on your flight to San Francisco?
Our data shows that the cheapest Portland to San Francisco flights are usually those with departure times in the afternoon. Our users have found flights to San Francisco in the afternoon for as low as $304. Flights in the morning are often more expensive with an average ticket price of $680.
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 weeks ahead of your departure date. In general, you can expect to find flights to San Francisco for around $192 when searching 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 $147 on momondo.
What cabin class options are available on Portland to San Francisco flights?
There are 4 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.
What is the cheapest airline that flies from Portland to San Francisco?
Frontier, United Airlines, and Hawaiian Airlines are the most popular carriers operating from Portland to San Francisco
What airlines fly to San Francisco?
Alaska Airlines, Frontier and United Airlines are the top three most popular airlines that fly to San Francisco from Portland according to our data. Alaska Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Francisco. Keep in mind that there are 7 different airlines that fly to San Francisco on a routine basis, so you have a few additional options to choose from.
How many flights depart from Portland to San Francisco on average per day?
50 flights are operational daily from Portland to San Francisco as of July 2025. The most popular departure time for this route is 7:00AM, with 39% of flights per day taking off at noon.
How many flights depart from Portland to San Francisco on average per week?
The number of flights available between Portland and San Francisco is 355 per week as of July 2025. The most frequent departure day is Wed, with 21% of weekly flights leaving 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 | $39 |
|---|---|
Fastest flight time | 1h 49m |
Direct flights | Every day |
Airports in San Francisco | 1 airport |
How far is Portland to San Francisco by plane?
There are 534.1 mi between Portland and San Francisco. In terms of flight time, this usually takes a little over 1h 49m.
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 July 2025, there are 6 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 that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 travel and health documents required for your trip to San Francisco 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 San Francisco Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Portland to San Francisco?
Based on momondo bookings for flights between Portland and San Francisco, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 12.92% of the total bookings. Other popular models include Boeing 737 with 11.89%, Boeing 737-900 Passenger/BBJ3 (winglets) with 11.73%, and Boeing 737 MAX 8 with 10.35%.
What is the most popular airline from Portland to San Francisco?
momondo data reveals that the most frequently booked airline on the route from Portland to San Francisco is Alaska Airlines, representing 38% of all bookings. The subsequent popular airlines are Frontier at 30%, United Airlines at 28%, and Hawaiian Airlines at 3%.
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 $36 | Free Cancellation | Rating 5.9 3,284 reviews | |||
| PriceFrom $56 | Free Cancellation | Rating 6.3 8,094 reviews | |||
| PriceFrom $77 | Free Cancellation | Rating 8.0 10,000 reviews | |||
| PriceFrom $78 | Free Cancellation | Rating 7.8 2,545 reviews | |||
| PriceFrom $124 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $133 | Free Cancellation | Rating 7.2 10,000 reviews |
Alaska Airlines Flights From Portland to San Francisco
Across 20 Alaska Airlines flights from Portland to San Francisco this week, the average price was $216, with the best Alaska Airlines deals starting from $77 round-trip. 10,000 users have rated Alaska Airlines on momondo, with an average score of 8.0/10.
Hawaiian Airlines Flights From Portland to San Francisco
Another popular option for Portland to San Francisco flights is Hawaiian Airlines (7.8/10, 2,545 ratings). Hawaiian Airlines flies from Portland to San Francisco around 32 times per week, with deals starting from $78 round-trip and rising to an average price of around $229.
Traveling 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?
It is quick and easy to find Portland to San Francisco 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 San Francisco that suits you.
Can I find flights from Portland to San Francisco with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Portland to San Francisco flights to just show those with flexible booking policies.
How can momondo help me find flights from Portland to San Francisco?
Once you have performed a search for Portland to San Francisco 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 Portland to San Francisco right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Portland to San Francisco flights. All you need is a valid email address and we will do the rest; it is that quick and easy.