$111+ Cheap flights from Portland, ME to San Francisco (PWM - 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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
Apr 27 — May 41
Round-trip
1 adult, Economy
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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
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Best
Last-minute
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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 March 28, 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 March 28, 2026.
This Delta deal was found by Cheapflights users on 3/24. 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 6/254:50 pm
PWM
- SFO
1 stop8h 37m
Delta
Sat 7/45:32 am
SFO
- PWM
1 stop7h 23m
Delta
Deal found 3/24![Delta logo]()
$335
This Delta deal was found by Cheapflights users on 3/23. 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 9/26:00 am
PWM
- SFO
1 stop10h 21m
Delta
Wed 9/167:00 am
SFO
- PWM
2 stops12h 33m
Delta
Deal found 3/23![Delta logo]()
$340
This Delta deal was found by Cheapflights users on 3/23. 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 4/95:23 am
PWM
- SFO
1 stop10h 26m
Delta
Mon 4/1310:55 pm
SFO
- PWM
1 stop10h 10m
Delta
Deal found 3/23![Delta logo]()
$346
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/226:01 pm
PWM
- SFO
1 stop8h 58m
American Airlines
Tue 6/26:01 am
SFO
- PWM
1 stop9h 28m
American Airlines
Deal found 3/25![American Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 3/26. 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 5/712:55 pm
PWM
- SFO
1 stop7h 54m
Delta
Sat 5/1611:25 am
SFO
- PWM
1 stop8h 44m
Delta
Deal found 3/26![Delta logo]()
$351
This Delta deal was found by Cheapflights users on 3/26. 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 4/95:23 am
PWM
- SFO
1 stop10h 26m
Delta
Tue 4/145:50 am
SFO
- PWM
1 stop7h 07m
Delta
Deal found 3/26![Delta logo]()
$353
This Southwest deal was found by Cheapflights users on 3/23. 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 5/142:50 pm
PWM
- SFO
1 stop11h 30m
Southwest
Mon 5/1810:55 pm
SFO
- PWM
2 stops10h 25m
Southwest
Deal found 3/23![Southwest logo]()
$362
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 March 28, 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 March 28, 2026.
This Delta deal was found by Cheapflights users on 3/23. 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 9/21:35 pm
PWM
- SFO
1 stop8h 49m
Delta
Tue 9/1512:40 am
SFO
- PWM
1 stop7h 09m
Delta
Deal found 3/23![Delta logo]()
$357
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sun 4/266:33 pm
PWM
- SFO
1 stop9h 06m
United Airlines
Sun 5/311:56 pm
SFO
- PWM
1 stop7h 27m
United Airlines
Deal found 3/27![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 3/23. 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 5/2912:45 pm
PWM
- SFO
2 stops11h 25m
Southwest
Mon 6/110:10 am
SFO
- PWM
2 stops10h 15m
Southwest
Deal found 3/23![Southwest logo]()
$388
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/157:33 pm
PWM
- SFO
1 stop8h 44m
United Airlines
Wed 4/299:15 pm
SFO
- PWM
1 stop8h 34m
United Airlines
Deal found 3/24![United Airlines logo]()
$369
This Southwest deal was found by Cheapflights users on 3/24. 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 5/273:55 pm
PWM
- SFO
1 stop8h 30m
Southwest
Sun 5/318:35 am
SFO
- PWM
2 stops12h 30m
Southwest
Deal found 3/24![Southwest logo]()
$446
This Delta deal was found by Cheapflights users on 3/27. 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 4/95:23 am
PWM
- SFO
1 stop10h 26m
Delta
Mon 4/1310:55 pm
SFO
- PWM
1 stop10h 10m
Delta
Deal found 3/27![Delta logo]()
$494
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 5/276:25 pm
PWM
- SFO
1 stop9h 05m
United Airlines
Sun 5/3110:35 pm
SFO
- PWM
1 stop8h 32m
United Airlines
Deal found 3/24![United Airlines logo]()
$456
This Southwest deal was found by Cheapflights users on 3/25. 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 6/113:10 pm
PWM
- SFO
2 stops12h 20m
Southwest
Mon 6/1510:50 pm
SFO
- PWM
1 stop13h 15m
Southwest
Deal found 3/25![Southwest logo]()
$469
This United Airlines deal was found by Cheapflights users on 3/26. 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 8/286:00 am
PWM
- SFO
1 stop8h 25m
United Airlines
Tue 9/11:10 pm
SFO
- PWM
1 stop7h 49m
United Airlines
Deal found 3/26![United Airlines logo]()
$479
This Southwest deal was found by Cheapflights users on 3/27. 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 4/94:50 pm
PWM
- SFO
1 stop9h 30m
Southwest
Mon 4/1311:25 pm
SFO
- PWM
2 stops12h 55m
Southwest
Deal found 3/27![Southwest logo]()
$499
This Southwest deal was found by Cheapflights users on 3/25. 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.
Tue 4/73:50 pm
PWM
- SFO
1 stop8h 35m
Southwest
Thu 4/911:25 pm
SFO
- PWM
2 stops11h 45m
Southwest
Deal found 3/25![Southwest logo]()
$499
Last-minute flights from Portland to San FranciscoDiscover last-minute flight deals from Portland to San Francisco. Data last updated March 28, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Francisco. Data last updated March 28, 2026 and is based on user searches.
This Southwest deal was found by Cheapflights users on 3/25. 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 4/86:10 am
PWM
- SFO
2 stops12h 10m
Southwest
Tue 4/149:15 pm
SFO
- PWM
1 stop12h 05m
Southwest
Deal found 3/25![Southwest logo]()
$389
This Delta deal was found by Cheapflights users on 3/23. 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 4/95:23 am
PWM
- SFO
1 stop10h 26m
Delta
Mon 4/1310:55 pm
SFO
- PWM
1 stop10h 10m
Delta
Deal found 3/23![Delta logo]()
$346
This Delta deal was found by Cheapflights users on 3/26. 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 4/95:23 am
PWM
- SFO
1 stop10h 26m
Delta
Tue 4/145:50 am
SFO
- PWM
1 stop7h 07m
Delta
Deal found 3/26![Delta logo]()
$353
This United Airlines deal was found by Cheapflights users on 3/24. 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.
Wed 4/157:33 pm
PWM
- SFO
1 stop8h 44m
United Airlines
Wed 4/299:15 pm
SFO
- PWM
1 stop8h 34m
United Airlines
Deal found 3/24![United Airlines logo]()
$369
This American Airlines deal was found by Cheapflights users on 3/25. 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.
Wed 4/226:01 pm
PWM
- SFO
1 stop8h 58m
American Airlines
Tue 6/26:01 am
SFO
- PWM
1 stop9h 28m
American Airlines
Deal found 3/25![American Airlines logo]()
$350
This American Airlines deal was found by Cheapflights users on 3/23. 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.
Wed 4/226:00 am
PWM
- SFO
2 stops12h 25m
American Airlines
Wed 4/2911:52 am
SFO
- PWM
1 stop8h 35m
American Airlines
Deal found 3/23![American Airlines logo]()
$379
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 March 28, 2026.
Search for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Data last updated March 28, 2026.
This Southwest deal was found by Cheapflights users on 3/26. 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 5/133:55 pm
PWM
- SFO
1 stop8h 30m
Southwest
Deal found 3/26![Southwest logo]()
$111
This Southwest deal was found by Cheapflights users on 3/26. 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.
Tue 6/23:55 pm
PWM
- SFO
2 stops10h 20m
Southwest
Deal found 3/26![Southwest logo]()
$116
This Delta deal was found by Cheapflights users on 3/26. 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.
Sat 4/2512:46 pm
PWM
- SFO
1 stop9h 17m
Delta
Deal found 3/26![Delta logo]()
$132
This Southwest deal was found by Cheapflights users on 3/26. 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 5/12:50 pm
PWM
- SFO
1 stop11h 30m
Southwest
Deal found 3/26![Southwest logo]()
$153
This United Airlines deal was found by Cheapflights users on 3/27. 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 4/187:33 pm
PWM
- SFO
1 stop8h 44m
United Airlines
Deal found 3/27![United Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 3/23. 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 6/42:05 pm
PWM
- SFO
1 stop9h 59m
Delta
Deal found 3/23![Delta logo]()
$168
This Southwest deal was found by Cheapflights users on 3/25. 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 8/55:45 am
PWM
- SFO
1 stop8h 50m
Southwest
Deal found 3/25![Southwest logo]()
$185
This Delta deal was found by Cheapflights users on 3/26. 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.
Sun 8/306:00 am
PWM
- SFO
1 stop10h 21m
Delta
Deal found 3/26![Delta logo]()
$190
This Delta deal was found by Cheapflights users on 3/23. 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.
Tue 6/212:55 pm
PWM
- SFO
2 stops13h 29m
Delta
Deal found 3/23![Delta logo]()
$195
This KAYAK deal was found by Cheapflights users on 3/24. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/272:36 pm
PWM
- SFO
1 stop10h 44m
JetBlue
Deal found 3/24![JetBlue logo]()
$196
This Delta deal was found by Cheapflights users on 3/26. 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.
Fri 6/52:38 pm
PWM
- SFO
2 stops12h 25m
Delta
Deal found 3/26![Delta logo]()
$204
Find flight deals from Portland to San Francisco
Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) 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 March 28, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $335 (Delta) |
One-way from | $111 (Southwest) |
Popular in | December |
Cheapest in | November |
Average price | $529 |
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 March 28, 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
Quickest round-trip
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 9/2
1:35 pm-7:24 pm
1 stop8h 49m
San Francisco
Tue 9/15
12:40 am-10:49 am
1 stop7h 09m
$357
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sun 4/26
6:33 pm-12:39 am
1 stop9h 06m
San Francisco
Sun 5/3
11:56 pm-10:23 am
1 stop7h 27m
$369
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 4/15
7:33 pm-1:17 am
1 stop8h 44m
San Francisco
Wed 4/29
9:15 pm-8:49 am
1 stop8h 34m
$369
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Fri 5/29
12:45 pm-9:10 pm
2 stops11h 25m
San Francisco
Mon 6/1
10:10 am-11:25 pm
2 stops10h 15m
$388
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 5/27
3:55 pm-9:25 pm
1 stop8h 30m
San Francisco
Sun 5/31
8:35 am-12:05 am
2 stops12h 30m
$446
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 5/27
6:25 pm-12:30 am
1 stop9h 05m
San Francisco
Sun 5/31
10:35 pm-10:07 am
1 stop8h 32m
$456
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 6/11
3:10 pm-12:30 am
2 stops12h 20m
San Francisco
Mon 6/15
10:50 pm-3:05 pm
1 stop13h 15m
$469
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Fri 8/28
6:00 am-11:25 am
1 stop8h 25m
San Francisco
Tue 9/1
1:10 pm-11:59 pm
1 stop7h 49m
$479
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 4/9
5:23 am-12:49 pm
1 stop10h 26m
San Francisco
Mon 4/13
10:55 pm-12:05 pm
1 stop10h 10m
$494
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 4/9
4:50 pm-11:20 pm
1 stop9h 30m
San Francisco
Mon 4/13
11:25 pm-3:20 pm
2 stops12h 55m
$499
Showing 1-10 of 21 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 March.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Portland, Maine-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, Maine-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland, Maine-San Francisco flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Portland, Maine-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, Maine-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.
PWM-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
How far ahead should I book a flight from Portland, Maine 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 March 13, 2026.
The best time to book flights from Portland, Maine to San Francisco is 80 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, Maine to San Francisco?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to San Francisco (average of $149). Flying from Portland, Maine to San Francisco in January is currently the most expensive (average of $197). 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.
How much does it cost to fly round-trip from Portland, Maine to San Francisco?
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 March 28, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines from Portland to San Francisco have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Entertainment
7.5
Food
7.0
Comfort
8.0
Crew
8.6
Overall
8.0
Boarding
8.1
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
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 Cruz
Santa Clara
Livermore
Roseville
Rancho Cordova
San Bruno
Watsonville
San Ramon
Sunnyvale
Vacaville
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Alternative routes for Portland to San Francisco
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Portland and San Francisco flights
Browse other Portland and San Francisco flight options. Last updated on March 28, 2026.
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Browse through other flights departing from Portland. Flights are based on user searches made on Cheapflights and were last updated on March 28, 2026.
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Top 5 airlines flying from Portland to San Francisco
Discover the top 5 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 March 28, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$236 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$414 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$509 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$498 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$276 | Average$410 | FlexibilityNo cancel fee | On-timeN/A |