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Cheap flights from Portland to San Francisco from £50

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
6 Jul — 13 Jul1
1 adult

Cheapflights Tip: The best prices from Portland to San Francisco are usually found in January or August, booked 71 days in advance, depart on a Wednesday or Thursday and return on a Thursday

Cheap flight deals from Portland to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2025.

Round-trip from

£100

One-way from

£50

Popular in

March

Cheapest in

January

Average price

£134

Good round-trip deal

£62 or less
Hawaiian Airlines
  • Hawaiian Airlines
  • 13/8-16/8
  • Nonstop
  • 3h 34m total
  • Portland to San Francisco
United Airlines
  • United Airlines
  • 30/8
  • Nonstop
  • 1h 53m total
  • Portland to San Francisco
Highest demand for flights based on searches. 19% potential increase in price (£23 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Portland to San Francisco.

Find flight deals from Portland to San Francisco

Cheapest flights from Portland to San Francisco
Explore the most affordable flight options available from Portland to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Wed 13/807:04PDX - SFO
Nonstop1h 49mHawaiian Airlines
Sat 16/808:00SFO - PDX
Nonstop1h 45mHawaiian Airlines
Deal found 1/7£100
Thu 28/810:30PDX - SFO
Nonstop1h 55mAlaska Airlines
Thu 4/908:00SFO - PDX
Nonstop1h 47mAlaska Airlines
Deal found 1/7£104
Wed 13/816:55PDX - SFO
1 stop6h 16mDelta
Sat 16/805:55SFO - PDX
1 stop4h 39mDelta
Deal found 1/7£114
Sun 17/807:37PDX - SFO
Nonstop1h 51mUnited Airlines
Sat 23/818:50SFO - PDX
Nonstop1h 47mUnited Airlines
Deal found 29/6£117
Sat 16/807:25PDX - SFO
1 stop10h 00mSouthwest
Wed 20/807:00SFO - PDX
2 stops6h 40mSouthwest
Deal found 29/6£122

Cheapflights Fare Finder

Customise your flight search to find flights from Portland to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 July 2025.
Use the filters below to find and compare flights from Portland to San Francisco that are best for you.

Fly from

Portland

Fly to

San Francisco

Route

Depart

Return

Price

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 13/8

07:04-08:53

Nonstop1h 49m

San Francisco

Sat 16/8

08:00-09:45

Nonstop1h 45m

£100

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 28/8

10:30-12:25

Nonstop1h 55m

San Francisco

Thu 4/9

08:00-09:47

Nonstop1h 47m

£104

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 13/8

16:55-23:11

1 stop6h 16m

San Francisco

Sat 16/8

05:55-10:34

1 stop4h 39m

£114

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sun 17/8

07:37-09:28

Nonstop1h 51m

San Francisco

Sat 23/8

18:50-20:37

Nonstop1h 47m

£117

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 16/8

07:25-17:25

1 stop10h 00m

San Francisco

Wed 20/8

07:00-13:40

2 stops6h 40m

£122

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 30/8

07:45-09:38

Nonstop1h 53m

£50

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 3/9

13:24-20:20

1 stop6h 56m

£57

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 29/9

12:40-19:48

1 stop7h 08m

£58

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 29/7

06:30-14:35

2 stops8h 05m

£72

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 30/7

17:55-19:48

Nonstop1h 53m

£76

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Best time to book a flight from Portland to San Francisco

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

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

Use this chart to determine the optimal time to book a return flight from Portland to San Francisco. Price data was last updated on 27 June 2025.

The best time to book flights from Portland to San Francisco is 71 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 Portland to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Portland to San Francisco (average of £538). Flying from Portland to San Francisco in July is currently the most expensive (average of £803). 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 PDX to SFO?

Find hourly flight availability from Portland to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 July 2025.

A simple way to save on the total cost of your ticket is to fly from Portland to San Francisco at midday. If you’re flexible enough to do this you can expect to save up to 56% on your trip compared to booking a flight in the afternoon.

Weekly flight availability from Portland to San Francisco

Explore weekly flight availability from Portland to San Francisco. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 1 July 2025.

The most flights from PDX to SFO are scheduled on a Friday (68 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (45 on average).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated 1 July 2025.
Read through reviews of airlines operating flights from Portland to San Francisco, such as Alaska Airlines, Southwest, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very Good

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Entertainment

7.1

Overall

8.0

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Portland to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airports do I use to fly from Portland to San Francisco?

    You will need to book a flight from Portland to San Francisco if you want to fly from Portland to San Francisco. At least 1 airline has flights from Portland (PDX) to San Francisco (SFO) on a regular basis. There are 56 flights to San Francisco from the Portland airport per day. If you manage to book one that is nonstop, then you can expect the flight time from PDX to SFO to be around 1h 49m.

  • How popular is this Portland to San Francisco flight route?

  • What are the cheapest airlines flying from Portland to San Francisco round-trip?

    According to our current data, Hawaiian Airlines (£100), Alaska Airlines (£104), and Delta (£114) offers the cheapest pricing from Portland to San Francisco. Users have found that Hawaiian Airlines is 28% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Portland to San Francisco one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at £50. Hawaiian Airlines flights start at £57 while deals on Delta start at £58 one-way.

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

    No one likes to see their flight delayed. When booking a flight from Portland to San Francisco consider choosing Frontier (100%), SkyWest Airlines (94%) or Iberia (92%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Portland to San Francisco?

    Looking at all options, your cheapest flight can be booked for £62. While the most popular route (Portland - San Francisco) can be booked for £166 on average our data indicates £64 when flying from Portland to San Francisco.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Portland to San Francisco 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 Portland to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Portland to San Francisco (average of £538). Flying from Portland to San Francisco in July is currently the most expensive (average of £803). 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

Travelling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Santa Cruz
Vallejo
Newark
South San Francisco
Bodega Bay
Pacific Grove
Union City

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Alternative routes for Portland to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Portland to San Francisco

Discover the top airline that operate flights from Portland to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£28Average£92FlexibilityNo cancel feeOn-time62%
Search Frontier flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for Portland to San Francisco 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 Portland to San Francisco?

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 Portland to San Francisco.

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

Yes, we can. To see specific flights from Portland to San Francisco with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes! Start tracking prices for Portland to San Francisco 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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