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.
$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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Jun 12 — Jun 191
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Portland to San Francisco with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.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 Tuesday
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 June 7, 2025.
Round-trip from | $125 (Cheapflightsfares) |
|---|---|
One-way from | $69 (Hawaiian Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $183 |
Good round-trip deal | $284 or less |
Good one-way deal | $132 or less |
Find flight deals from Portland to San Francisco
Cheapest flights from Portland to San FranciscoExplore 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 June 7, 2025.
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 June 7, 2025.
This Cheapflightsfares deal was found by Cheapflights users on 6/5. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/41:40 pmPDX - SFO
Nonstop2h 01mFrontier
Fri 7/118:27 amSFO - PDX
Nonstop1h 48mFrontier
Deal found 6/5![Frontier logo]()
$125
This Southwest deal was found by Cheapflights users on 6/5. 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.
Fri 8/152:55 pmPDX - SFO
1 stop6h 20mSouthwest
Tue 8/195:15 amSFO - PDX
1 stop5h 45mSouthwest
Deal found 6/5![Southwest logo]()
$128
This Hawaiian Airlines deal was found by Cheapflights users on 6/6. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/129:50 pmPDX - SFO
Nonstop1h 49mHawaiian Airlines
Tue 8/198:00 amSFO - PDX
Nonstop1h 45mHawaiian Airlines
Deal found 6/6![Hawaiian Airlines logo]()
$137
This Kiwi.com deal was found by Cheapflights users on 6/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/410:30 amPDX - SFO
Nonstop1h 54mMultiple Airlines
Mon 7/78:27 amSFO - PDX
Nonstop1h 48mMultiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$140
This Alaska Airlines deal was found by Cheapflights users on 6/6. 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 7/307:00 amPDX - SFO
Nonstop1h 49mAlaska Airlines
Sat 8/98:00 amSFO - PDX
Nonstop1h 45mAlaska Airlines
Deal found 6/6![Alaska Airlines logo]()
$147
This Delta deal was found by Cheapflights users on 6/6. 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 7/304:55 pmPDX - SFO
1 stop6h 16mDelta
Wed 8/136:00 amSFO - PDX
1 stop4h 25mDelta
Deal found 6/6![Delta logo]()
$167
This United Airlines deal was found by Cheapflights users on 6/7. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/111:37 pmPDX - SFO
Nonstop1h 53mUnited Airlines
Sun 7/137:09 amSFO - PDX
Nonstop1h 42mUnited Airlines
Deal found 6/7![United Airlines logo]()
$174
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 June 7, 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 7/4
1:40 pm-3:41 pm
Nonstop2h 01m
San Francisco
Fri 7/11
8:27 am-10:15 am
Nonstop1h 48m
$125
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 8/15
2:55 pm-9:15 pm
1 stop6h 20m
San Francisco
Tue 8/19
5:15 am-11:00 am
1 stop5h 45m
$128
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 8/12
9:50 pm-11:39 pm
Nonstop1h 49m
San Francisco
Tue 8/19
8:00 am-9:45 am
Nonstop1h 45m
$137
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 7/4
10:30 am-12:24 pm
Nonstop1h 54m
San Francisco
Mon 7/7
8:27 am-10:15 am
Nonstop1h 48m
$140
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 7/30
4:55 pm-11:11 pm
1 stop6h 16m
San Francisco
Wed 8/13
6:00 am-10:25 am
1 stop4h 25m
$167
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Fri 7/11
9:50 pm-11:39 pm
Nonstop1h 49m
San Francisco
Sun 7/13
8:00 am-9:45 am
Nonstop1h 45m
$174
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Sun 7/20
5:25 am-7:21 am
Nonstop1h 56m
San Francisco
Wed 7/23
7:09 am-8:51 am
Nonstop1h 42m
$183
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Wed 8/6
2:30 pm-4:22 pm
Nonstop1h 52m
$69
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Thu 8/7
3:40 pm-11:20 pm
1 stop7h 40m
$70
PortlandSan Francisco
PDX - SFO
PDXSFO
Portland
Tue 9/9
1:24 pm-7:19 pm
1 stop5h 55m
$78
Showing 1-10 of 15 results
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
![United Airlines]()
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.
Airports
Our travel experts
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 May 23, 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 $366). 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 June 7, 2025.
It’s typically best to fly out from Portland to San Francisco in the afternoon. Doing so could potentially save you 61% 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 1, 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. Saturday evenings 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 June 7, 2025.
The most flights from PDX to SFO are scheduled on a Wednesday (60 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (26 on average).
Rainfall in San Francisco by month
Plan your trip to San Francisco by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.
Temperature in San Francisco by month
Plan your trip to San Francisco by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
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 June 7, 2025.
Read reviews from past customers who have flown Alaska Airlines, Southwest and Delta from Portland to San Francisco. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
Boarding
8.1
Entertainment
7.1
Crew
8.5
Food
7.1
Overall
8.0
Comfort
7.8
Reviews
1 / 20
10.0
ExcellentJames,Apr 2025
LAX - SFO
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.
Traveling to a place near Portland?
Book flights to Portland if you plan to visit one of these locationsRoseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Watsonville
Manteca
Fairfield
Newark
Antioch
Hollister
Milpitas
Richmond
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Browse thousands of different options on Cheapflights for your next trip
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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 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 June 7, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$36 | Average$93 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$56 | Average$96 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$77 | Average$216 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$78 | Average$233 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$124 | Average$239 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$133 | Average$297 | FlexibilityNo cancel fee | On-time71% |