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

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

How often are flights from San Francisco to Portland delayed?

About 19% of weekly flights between San Francisco and Portland have experienced delays in the past year, with the average delay time being 126 minutes.

How popular is this San Francisco to Portland flight route?

Within the past month, 4 users have taken a look at flights from San Francisco to Portland.

How long is the flight from San Francisco to Portland?

Alaska Airlines, United Airlines, and Southwest can get you from San Francisco to Portland in just under 1h 46m. Your travel time can differ by up to 5h 54m. San Francisco and Portland are separated by a distance of 550 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Weekly flight availability from San Francisco to Portland

The most flights from SFO to PDX are scheduled on a Friday (56 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

In terms of precipitation, rainfall in Portland ranges from 18.0 - 142.0 inches per month. November is typically the wettest month, when rainfall can reach 142.0 mm. July is typically the driest time to visit Portland when rainfall is around 18.0 mm.

If weather is an important factor for your trip to Portland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 5.0 C).

What are the most reliable airlines from San Francisco to Portland?

Before booking your flight to Portland from San Francisco, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (92%), Asiana Airlines (90%), SWISS( 90%).

Can I find deals for flights from San Francisco to Portland that include hotel bookings?

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

How can I find direct flights from San Francisco to Portland?

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

Can I find deals for business class flights from San Francisco to Portland?

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

£54+ Cheap Flights from San Francisco to Portland

Cheapflights Tip: The best prices from San Francisco to Portland are usually found in January or April, booked 88 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

Cheap flight deals from San Francisco to Portland

Enter your travel dates to find the best prices.

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Cheapest flights from San Francisco to Portland
Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Tue 27/1012:45 -

Nonstop1h 49m

Wed 28/1009:00 -

Nonstop1h 55m

Deal found 7/10£100

Fri 25/1220:47 -

Nonstop1h 49m

Fri 1/105:30 -

Nonstop1h 52m

Deal found 11/10£103

Sat 7/1110:27 -

Nonstop1h 55m

Mon 9/1119:26 -

Nonstop1h 52m

Deal found 8/10£104

Thu 5/1107:42 -

Nonstop1h 46m

Thu 5/1111:54 -

Nonstop1h 52m

Deal found 7/10£106

Tue 20/1009:03 -

Nonstop1h 49m

Wed 28/1007:18 -

Nonstop2h 05m

Deal found 6/10£107

Sat 31/1008:18 -

Nonstop2h 00m

Thu 31/1205:30 -

Nonstop1h 52m

Deal found 9/10£109

Mon 2/1107:42 -

Nonstop1h 46m

Mon 9/1107:04 -

Nonstop1h 56m

Deal found 7/10£110

Wed 28/1009:03 -

Nonstop1h 49m

Fri 6/1107:04 -

Nonstop1h 56m

Deal found 10/10£110

Thu 5/1120:54 -

Nonstop1h 52m

Mon 9/1119:26 -

Nonstop1h 52m

Deal found 7/10£111

Wed 4/1110:35 -

1 stop6h 29m

Sat 7/1117:49 -

1 stop6h 07m

Deal found 8/10£113

Tue 20/1014:57 -

Nonstop1h 47m

Tue 20/1017:48 -

Nonstop1h 59m

Deal found 6/10£113

Fri 6/1117:30 -

1 stop7h 55m

Fri 13/1108:00 -

1 stop7h 10m

Deal found 9/10£114

Find flight deals from San Francisco to Portland

Round-trip from	£100
One-way from	£54
Popular in	December
Cheapest in	January
Average price	£193

United Airlines
27/10-28/10
Nonstop
3h 44m total
San Francisco to Portland

Search Deals

Alaska Airlines
29/10-31/12
Nonstop
1h 50m total
San Francisco to Portland

Search Deals

Highest demand for flights based on searches. 1% potential increase in price (£2 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

Use the filters below to find and compare flights from San Francisco to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Mon 16/11

20:54-22:46

Nonstop1h 52m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£55

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Tue 3/11

06:20-11:49

1 stop5h 29m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Sat 7/11

06:20-10:45

1 stop4h 25m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£57

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Tue 8/12

17:56-22:06

1 stop4h 10m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£60

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Tue 3/11

13:05-21:25

2 stops8h 20m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£61

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Thu 10/12

13:05-21:25

2 stops8h 20m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£61

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Thu 29/10

12:05-19:35

1 stop7h 30m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Thu 5/11

06:20-11:49

1 stop5h 29m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Sat 31/10

05:10-12:10

2 stops7h 00m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£63

San FranciscoPortland

SFO San Francisco - PDX Portland

SFOPDX

San Francisco

Wed 21/10

19:05-21:00

Nonstop1h 55m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

£66

Flights are sorted by cheapest return flights first.

Deals found on 7/10

Showing 1-10 of 20 resultsSorted by cheapest first

Best time to book a flight from San Francisco to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from San Francisco with our price prediction graph.

SFO-PDX

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from San Francisco to Portland

Prices

Airlines

Delays

How far ahead should I book a flight from San Francisco to Portland?

The best time to book flights from San Francisco to Portland is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Portland?

Currently, January is the cheapest month in which you can book a flight from San Francisco to Portland (average of £184). Flying from San Francisco to Portland in December is currently the most expensive (average of £259). 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.

What is the cheapest time of day to fly from SFO to PDX?

When flying from San Francisco to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 77% versus a flight at midday.

How much does it cost for a return flight from San Francisco to Portland?

Airfare is below average for this route at the moment.

San Francisco to Portland flights typically cost between £125 and £289 in October.
The cheapest return price found within the last 5 days was £100 on United Airlines (27 Oct–28 Oct).

Related info for your journey

How popular is this San Francisco to Portland flight route?
Within the past month, 4 users have taken a look at flights from San Francisco to Portland.
How long is the flight from San Francisco to Portland?
Alaska Airlines, United Airlines, and Southwest can get you from San Francisco to Portland in just under 1h 46m. Your travel time can differ by up to 5h 54m. San Francisco and Portland are separated by a distance of 550 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most reliable airlines from San Francisco to Portland?
Before booking your flight to Portland from San Francisco, check out the most reliable airlines to get you to your destination on time: SkyWest Airlines (92%), Asiana Airlines (90%), SWISS( 90%).
Can I find deals for flights from San Francisco to Portland that include hotel bookings?
Yes. In addition to deals on San Francisco to Portland flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from San Francisco to Portland?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from San Francisco to Portland.
Can I find deals for business class flights from San Francisco to Portland?
Yes. Cheapflights offers flight deals from San Francisco to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from San Francisco to Portland?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Portland (average of £184). Flying from San Francisco to Portland in December is currently the most expensive (average of £259). 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.

See more FAQs

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How does Cheapflights help users find flights from San Francisco to Portland?

Deals for San Francisco to Portland flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from San Francisco to Portland?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from San Francisco to Portland.

Can Cheapflights find flights from San Francisco to Portland with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from San Francisco to Portland, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from San Francisco to Portland become cheaper?

Yes! Start tracking prices for San Francisco to Portland flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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Cheap flights from San Francisco to Portland from £54

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from San Francisco to Portland

Cheapest flights from San Francisco to PortlandExplore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Best flights from San Francisco to PortlandDiscover carefully curated flight deals from San Francisco to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Discover carefully curated flight deals from San Francisco to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct flights from San Francisco to PortlandExplore direct flight options from San Francisco to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Explore direct flight options from San Francisco to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute flights from San Francisco to PortlandDiscover last-minute flight deals from San Francisco to Portland. Data last updated 11 October 2026 and is based on user searches.

Discover last-minute flight deals from San Francisco to Portland. Data last updated 11 October 2026 and is based on user searches.

One-way flights from San Francisco to PortlandSearch for one-way flight options from San Francisco to Portland. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Search for one-way flight options from San Francisco to Portland. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

Find flight deals from San Francisco to Portland

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Use the filters below to find and compare flights from San Francisco to Portland that are best for you.

Best time to book a flight from San Francisco to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from San Francisco with our price prediction graph.

Cheapflights Insights

How far ahead should I book a flight from San Francisco to Portland?

The best time to book flights from San Francisco to Portland is 87 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from San Francisco to Portland?

What is the cheapest time of day to fly from SFO to PDX?

When flying from San Francisco to Portland, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 77% versus a flight at midday.

How much does it cost for a return flight from San Francisco to Portland?

Airfare is below average for this route at the moment.

San Francisco to Portland flights typically cost between £125 and £289 in October.The cheapest return price found within the last 5 days was £100 on United Airlines (27 Oct–28 Oct).

Weekly flight availability from San Francisco to Portland

The most flights from SFO to PDX are scheduled on a Friday (56 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (25 on average).

How often are flights from San Francisco to Portland delayed?

About 19% of weekly flights between San Francisco and Portland have experienced delays in the past year, with the average delay time being 126 minutes.

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

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.

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

Saturday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

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

Over the past year, United Airlines have had the lowest number of delays on this route, with just 15% of flights being delayed.

Related info for your journey

How popular is this San Francisco to Portland flight route?

How long is the flight from San Francisco to Portland?

What are the most reliable airlines from San Francisco to Portland?

Can I find deals for flights from San Francisco to Portland that include hotel bookings?

How can I find direct flights from San Francisco to Portland?

Can I find deals for business class flights from San Francisco to Portland?

What is the cheapest month to book a flight from San Francisco to Portland?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for San Francisco to Portland

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San Francisco and Portland flights

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How does Cheapflights help users find flights from San Francisco to Portland?

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Can Cheapflights find flights from San Francisco to Portland with no change fees?

Can Cheapflights notify me if prices for flights from San Francisco to Portland become cheaper?

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Cheapest flights from San Francisco to Portland
Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 October 2026.

Best flights from San Francisco to Portland
Discover carefully curated flight deals from San Francisco to Portland that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 October 2026.

Direct flights from San Francisco to Portland
Explore direct flight options from San Francisco to Portland based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 October 2026.

Last-minute flights from San Francisco to Portland
Discover last-minute flight deals from San Francisco to Portland. Data last updated 11 October 2026 and is based on user searches.

One-way flights from San Francisco to Portland
Search for one-way flight options from San Francisco to Portland. Find affordable one-way fares based on user searches. Data last updated 11 October 2026.

San Francisco to Portland flights typically cost between £125 and £289 in October.
The cheapest return price found within the last 5 days was £100 on United Airlines (27 Oct–28 Oct).