$59+ Cheap flights from Portland to San Francisco (PDX - SFO)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — SFO
Oct 9 — Oct 161
Round-trip
1 adult, Economy
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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 October, booked 64 days in advance, depart on a Friday or Thursday and return on a Tuesday
Cheap flight deals from Portland to San Francisco
Cheapest
Best
Last-minute
One-way
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 September 9, 2026.
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 September 9, 2026.
This Trip.com deal was found by Cheapflights users on 9/8. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/16:50 pm -
Nonstop1h 53m
Thu 10/810:19 pm -
1 stop13h 21m
Deal found 9/8![Multiple Airlines logo]()
$123
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Thu 10/16:50 pm -
Nonstop1h 53m
Mon 10/59:03 am -
Nonstop1h 49m
Deal found 9/8![Alaska Airlines logo]()
$125
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 9/302:42 pm -
Nonstop1h 55m
Wed 10/76:59 pm -
Nonstop1h 51m
Deal found 9/9![Alaska Airlines logo]()
$126
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Thu 10/111:02 am -
1 stop10h 25m
Tue 10/611:42 am -
Nonstop1h 50m
Deal found 9/9![Multiple Airlines logo]()
$127
This CheapOair deal was found by Cheapflights users on 9/9. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1311:49 am -
1 stop12h 26m
Wed 10/147:25 pm -
1 stop14h 46m
Deal found 9/9![Frontier logo]()
$128
This Booking.com deal was found by Cheapflights users on 9/9. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/132:53 pm -
Nonstop1h 54m
Sat 10/177:43 am -
Nonstop1h 46m
Deal found 9/9![Alaska Airlines logo]()
$131
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/159:33 pm -
Nonstop1h 53m
Mon 10/199:03 am -
Nonstop1h 49m
Deal found 9/6![Alaska Airlines logo]()
$132
This Expedia deal was found by Cheapflights users on 9/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/105:55 pm -
Nonstop1h 54m
Tue 12/1512:02 pm -
Nonstop1h 48m
Deal found 9/8![Alaska Airlines logo]()
$133
This United Airlines deal was found by Cheapflights users on 9/8. 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 10/95:30 am -
Nonstop1h 51m
Tue 10/139:02 pm -
Nonstop1h 55m
Deal found 9/8![United Airlines logo]()
$134
This Priceline deal was found by Cheapflights users on 9/9. 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.
Thu 10/2212:11 pm -
1 stop4h 56m
Tue 10/277:43 am -
Nonstop1h 46m
Deal found 9/9![Multiple Airlines logo]()
$135
Best flights from Portland to San FranciscoDiscover carefully curated flight deals from Portland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
Discover carefully curated flight deals from Portland to San Francisco that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 9, 2026.
This United Airlines deal was found by Cheapflights users on 9/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/267:29 pm -
Nonstop1h 56m
Mon 9/2810:39 pm -
Nonstop1h 55m
Deal found 9/5![United Airlines logo]()
$137
This Southwest deal was found by Cheapflights users on 9/5. 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.
Thu 10/15:10 am -
1 stop4h 55m
Thu 10/812:05 pm -
1 stop7h 30m
Deal found 9/5![Southwest logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Thu 10/159:33 pm -
Nonstop1h 53m
Mon 10/191:51 pm -
1 stop9h 11m
Deal found 9/6![Alaska Airlines logo]()
$160
This Delta deal was found by Cheapflights users on 9/9. 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.
Thu 10/2911:25 am -
1 stop5h 40m
Sun 11/16:20 am -
1 stop4h 25m
Deal found 9/9![Delta logo]()
$182
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:15 pm -
1 stop8h 35m
Tue 10/1311:05 am -
1 stop8h 15m
Deal found 9/7![Southwest logo]()
$151
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/212:46 pm -
Nonstop1h 55m
Sun 1/247:00 pm -
Nonstop1h 50m
Deal found 9/7![Alaska Airlines logo]()
$162
This Southwest deal was found by Cheapflights users on 9/9. 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.
Thu 10/14:20 pm -
1 stop8h 15m
Mon 10/54:00 pm -
2 stops7h 30m
Deal found 9/9![Southwest logo]()
$156
This Southwest deal was found by Cheapflights users on 9/9. 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 10/97:50 pm -
1 stop4h 55m
Mon 10/127:25 pm -
1 stop5h 10m
Deal found 9/9![Southwest logo]()
$161
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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.
Fri 11/137:04 am -
Nonstop1h 56m
Sun 11/1511:41 am -
Nonstop1h 49m
Deal found 9/8![Alaska Airlines logo]()
$179
This Alaska Airlines deal was found by Cheapflights users on 9/6. 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.
Mon 10/269:33 pm -
Nonstop1h 53m
Tue 10/279:43 am -
1 stop13h 19m
Deal found 9/6![Alaska Airlines logo]()
$190
Last-minute flights from Portland to San FranciscoDiscover last-minute flight deals from Portland to San Francisco. Data last updated September 9, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Francisco. Data last updated September 9, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 9/8. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1711:02 am -
1 stop10h 25m
Wed 9/239:00 am -
1 stop25h 07m
Deal found 9/8![Frontier logo]()
$270
This CheapOair deal was found by Cheapflights users on 9/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1712:38 pm -
1 stop11h 36m
Sun 9/202:28 pm -
1 stop21h 26m
Deal found 9/4![Frontier logo]()
$290
This Kiwi.com deal was found by Cheapflights users on 9/8. 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 9/1812:38 pm -
1 stop7h 57m
Wed 9/307:23 am -
Nonstop1h 44m
Deal found 9/8![Multiple Airlines logo]()
$207
This Super.com deal was found by Cheapflights users on 9/8. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:38 pm -
1 stop7h 57m
Wed 9/303:15 pm -
1 stop20h 21m
Deal found 9/8![Frontier logo]()
$246
This Kiwi.com deal was found by Cheapflights users on 9/7. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:38 pm -
1 stop7h 57m
Wed 9/233:15 pm -
1 stop20h 21m
Deal found 9/7![Frontier logo]()
$279
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:38 pm -
1 stop7h 57m
Sun 9/2010:24 pm -
1 stop13h 30m
Deal found 9/5![Frontier logo]()
$286
This Expedia deal was found by Cheapflights users on 9/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:24 pm -
1 stop6h 00m
Sat 9/268:23 am -
Nonstop1h 46m
Deal found 9/5![Multiple Airlines logo]()
$183
This Super.com deal was found by Cheapflights users on 9/5. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:24 pm -
1 stop6h 00m
Sun 9/208:24 pm -
1 stop15h 30m
Deal found 9/5![Frontier logo]()
$256
This CheapOair deal was found by Cheapflights users on 9/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:24 pm -
1 stop6h 00m
Sat 9/269:00 am -
1 stop25h 07m
Deal found 9/5![Frontier logo]()
$260
This Kiwi.com deal was found by Cheapflights users on 9/6. 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.
Sat 9/1912:24 pm -
1 stop6h 00m
Wed 9/2311:42 am -
1 stop24h 01m
Deal found 9/6![Frontier logo]()
$282
One-way flights from Portland to San FranciscoSearch for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
Search for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Data last updated September 9, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/7. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/37:37 pm -
Nonstop1h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$59
This Super.com deal was found by Cheapflights users on 9/9. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/111:02 am -
1 stop10h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![Frontier logo]()
$64
This Orbitz deal was found by Cheapflights users on 9/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/89:33 pm -
Nonstop1h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/5![Alaska Airlines logo]()
$65
This Expedia deal was found by Cheapflights users on 9/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/49:32 pm -
Nonstop1h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$66
This Alaska Airlines deal was found by Cheapflights users on 9/8. 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 9/302:42 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/8![Alaska Airlines logo]()
$67
This Booking.com deal was found by Cheapflights users on 9/7. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/511:54 am -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Alaska Airlines logo]()
$68
This United Airlines deal was found by Cheapflights users on 9/7. 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.
Tue 10/207:33 pm -
Nonstop1h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![United Airlines logo]()
$69
This United Airlines deal was found by Cheapflights users on 9/9. 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.
Mon 10/125:30 am -
Nonstop1h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/9![United Airlines logo]()
$71
This Trip.com deal was found by Cheapflights users on 9/6. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/307:18 am -
Nonstop2h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/6![Alaska Airlines logo]()
$73
This Southwest deal was found by Cheapflights users on 9/7. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/54:20 pm -
1 stop8h 20m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/7![Southwest logo]()
$76
Find 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 September 9, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $123 (Expedia) |
One-way from | $59 (Alaska Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $225 |
Good round-trip deal | $246 or less |
Good one-way deal | $164 or less |
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 7,457,451 searches. Data last updated September 9, 2026.
Use the filters below to find and compare flights from Portland to San Francisco that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Sat 12/5
10:30 am-12:25 pm
Nonstop1h 55m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Thu 12/3
3:40 pm-5:33 pm
Nonstop1h 53m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Sat 10/3
1:13 pm-3:05 pm
Nonstop1h 52m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Tue 10/20
7:33 pm-9:28 pm
Nonstop1h 55m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$59
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Wed 10/7
9:00 am-10:56 am
Nonstop1h 56m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$69
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Mon 12/7
11:40 am-7:20 pm
1 stop7h 40m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Fri 3/5
2:30 pm-4:23 pm
Nonstop1h 53m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Fri 10/9
9:33 pm-11:26 pm
Nonstop1h 53m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$76
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Mon 9/28
5:35 am-1:10 pm
2 stops7h 35m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$81
PortlandSan Francisco
PDX Portland - SFO San Francisco
PDXSFO
Portland
Fri 10/2
4:10 pm-10:05 pm
1 stop5h 55m
San Francisco
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$86
Showing 1-10 of 22 resultsSorted by cheapest first
Compare providers for flights from Portland to San Francisco
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Francisco in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy2 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
PDX-SFO
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
Prices
Airlines
Delays
How far ahead should I book a flight from Portland to San Francisco?
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 63 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 $175). Flying from Portland to San Francisco in March is currently the most expensive (average of $309). 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 September 9, 2026.
It’s typically best to fly out from Portland to San Francisco at noon. Doing so could potentially save you 50% on the flight price compared to flying in the evening, 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 September 5, 2026.
Travelers seeking maximum savings on their Portland to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
How often are flights from Portland to San Francisco delayed?
About 24% of weekly flights between Portland and San Francisco have experienced delays in the past year, with the average delay time being 113 minutes.
What is the most punctual flight time for Portland to San Francisco flights?
Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening 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 Portland to San Francisco flights?
Over the last year, United Airlines have had the lowest number of delays on this route, with just 23% of flights being delayed.
The best insider tips for Portland to San Francisco flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Portland to San Francisco trip
Our travel experts
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 September 9, 2026.
Read reviews from past customers who have flown Alaska Airlines,Hawaiian Airlines, andUnited Airlines 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.
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - SFO
Entertainment
7.0
Boarding
8.1
Food
7.0
Overall
7.9
Comfort
7.8
Crew
8.5
Reviews
1 / 20
2.0
MediocreChris,Aug 2026
GEG - 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 San Francisco?
Book flights to San Francisco if you plan to visit one of these locationsSouth San Francisco
Santa Clara
Santa Cruz
Walnut Creek
Emeryville
San Bruno
Burlingame
Rancho Cordova
Roseville
Fairfield
Cupertino
Newark
Hayward
San Ramon
Redwood City
Manteca
Vallejo
San Carlos
Turlock
Davis
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Portland and San Francisco flights
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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 7,457,451 searches. Data last updated September 9, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$71 | Average$194 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$77 | Average$138 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$116 | Average$234 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$117 | Average$265 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$118 | Average$245 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$257 | Average$493 | FlexibilityNo cancel fee | On-time71% |