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$69+ Cheap flights from Portland to San Francisco (PDX - SFO)

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 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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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 Friday 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 July 3, 2025.

Round-trip from

$99
(Frontier)

One-way from

$69
(United Airlines)

Popular in

March

Cheapest in

January

Average price

$184

Good round-trip deal

$278 or less

Good one-way deal

$150 or less
From Portland to San Francisco
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One-way flight from Portland to San Francisco
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Highest demand for flights based on searches. 19% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Portland to San Francisco.
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Price to beat on a one-way flight from Portland to San Francisco.
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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 July 3, 2025.

This Priceline deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/251:40 pmPDX - SFO
Nonstop2h 01mFrontier
Mon 7/288:27 amSFO - PDX
Nonstop1h 48mFrontier
Deal found 7/3$99
This flugladen.de deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/95:36 pmPDX - SFO
Nonstop1h 59mHawaiian Airlines
Tue 9/238:00 amSFO - PDX
Nonstop1h 47mHawaiian Airlines
Deal found 7/2$131
This Orbitz deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/41:40 pmPDX - SFO
Nonstop2h 01mMultiple Airlines
Thu 8/78:00 amSFO - PDX
Nonstop1h 45mMultiple Airlines
Deal found 7/2$133
This Alaska Airlines deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/69:50 pmPDX - SFO
Nonstop1h 49mAlaska Airlines
Mon 8/118:00 amSFO - PDX
Nonstop1h 45mAlaska Airlines
Deal found 7/3$137
This Delta deal was found by Cheapflights users on 7/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/65:45 pmPDX - SFO
1 stop6h 34mDelta
Mon 8/117:04 pmSFO - PDX
1 stop4h 45mDelta
Deal found 7/3$157
This American Airlines deal was found by Cheapflights users on 7/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:29 pmPDX - SFO
1 stop6h 13mAmerican Airlines
Wed 8/64:25 pmSFO - PDX
1 stop4h 49mAmerican Airlines
Deal found 7/2$159
This Southwest deal was found by Cheapflights users on 7/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/2010:35 amPDX - SFO
2 stops7h 55mSouthwest
Mon 9/225:00 amSFO - PDX
1 stop4h 55mSouthwest
Deal found 7/1$162

Cheapflights Fare Finder

Customize 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 2,558,603 searches. Data last updated July 3, 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

Fri 7/25

1:40 pm-3:41 pm

Nonstop2h 01m

San Francisco

Mon 7/28

8:27 am-10:15 am

Nonstop1h 48m

$99

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 9/9

5:36 pm-7:35 pm

Nonstop1h 59m

San Francisco

Tue 9/23

8:00 am-9:47 am

Nonstop1h 47m

$131

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 8/4

1:40 pm-3:41 pm

Nonstop2h 01m

San Francisco

Thu 8/7

8:00 am-9:45 am

Nonstop1h 45m

$133

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 8/6

9:50 pm-11:39 pm

Nonstop1h 49m

San Francisco

Mon 8/11

8:00 am-9:45 am

Nonstop1h 45m

$137

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Wed 8/6

5:45 pm-12:19 am

1 stop6h 34m

San Francisco

Mon 8/11

7:04 pm-11:49 pm

1 stop4h 45m

$157

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Mon 8/4

5:29 pm-11:42 pm

1 stop6h 13m

San Francisco

Wed 8/6

4:25 pm-9:14 pm

1 stop4h 49m

$159

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Sat 9/20

10:35 am-6:30 pm

2 stops7h 55m

San Francisco

Mon 9/22

5:00 am-9:55 am

1 stop4h 55m

$162

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Thu 10/2

1:44 pm-3:35 pm

Nonstop1h 51m

$69

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Fri 10/3

11:13 am-9:24 pm

1 stop10h 11m

$71

PortlandSan Francisco

PDX - SFO

PDXSFO

Portland

Tue 9/30

1:24 pm-8:20 pm

1 stop6h 56m

$78

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

Showing 1-10 of 13 results
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The best insider tips for Portland to San Francisco flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to San Francisco trip
Airlines
Frontier

Frontier's UpFront Plus seats offer a guaranteed empty middle seat for added comfort.


Early check-in helps secure your place as Frontier overbooks flights frequently.

Read more about Frontierby Marisa Garcia
United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.


United's MileagePlus allows pooling miles with up to five members for easier ticket upgrades.

Read more about United Airlinesby Harriet Baskas
Airports
PDX

Expect security wait times up to 30 minutes during rush hours. Consider Express Lanes for faster processing if eligible.

Read more about PDXby Brandon Schultz
SFO

Use BART for an affordable 40-minute trip from SFO to downtown San Francisco. Purchase a Clipper Card for easy fare payment.

Read more about SFOby Harriet Baskas
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Frontier

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Brandon Schultz

Brandon Schultz

Expert on PDX

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

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 round-trip 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 round-trip flight from Portland to San Francisco. Price data was last updated on June 27, 2025.

The price you pay for your flight from Portland to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 71 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Portland to San Francisco (average of $276). Flying from Portland to San Francisco in June is currently the most expensive (average of $360). 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 July 3, 2025.

It’s typically best to fly out from Portland to San Francisco in the afternoon. Doing so could potentially save you 56% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Portland to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Portland to San Francisco. Price data was last updated on June 29, 2025.

Travelers seeking maximum savings on their Portland to San Francisco flight should consider departing on Friday afternoons when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 July 3, 2025.

The most flights from PDX to SFO are scheduled on a Wednesday (73 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (23 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 July 3, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest, and Delta from Portland to San Francisco. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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.
Southwest
8.0
Very good
4,270 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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.
Delta
8.0
Very good
7,970 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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.
Hawaiian Airlines
7.8
Good
2,545 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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.
United Airlines
7.4
Good
8,845 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

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?

    Booking a flight from Portland (PDX) to San Francisco (SFO) is your only option if you wish to fly from Portland to San Francisco. On a typical day, there are 50 flights from Portland to San Francisco, all of which are around 1h 48m for a nonstop flight. You can also purchase a plane ticket from 6 airlines when you book a flight from Portland to San Francisco.

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

    This flight path from Portland to San Francisco was viewed by 175 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Cheapflights users have booked flights from Portland to San Francisco round-trip from $99. Other airlines that can offer you cheap pricing are Alaska Airlines, from $127, and United Airlines, from $137. You may be able to fly from Portland to San Francisco for 48% less than the average price by searching for these airlines.

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

    One-way options have recently been found by users for as low as $69 on United Airlines. Other airlines that offer cheap prices include Frontier from $76 and Alaska Airlines from $78 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?

    The cheapest flight price from Portland to San Francisco is $68. On average you can expect to pay $1,547. The most popular route, (Portland - San Francisco), can usually be booked for $110.

  • 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 vacation 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, January is the cheapest month in which you can book a flight from Portland to San Francisco (average of $276). Flying from Portland to San Francisco in June is currently the most expensive (average of $360). 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

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Antioch
Hollister
Newark
Alameda
Hayward
Milpitas
Sunnyvale
Daly City
Campbell
Foster City
Capitola
Richmond

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Portland to San Francisco

Discover the top 6 airlines 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 2,558,603 searches. Data last updated July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$36Average$90FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$56Average$106FlexibilityNo cancel feeOn-time65%
Alaska AirlinesCheapest$77Average$216FlexibilityNo cancel feeOn-time75%
Hawaiian AirlinesCheapest$78Average$229FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$124Average$237FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$133Average$256FlexibilityNo cancel feeOn-time71%

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