$146+ Cheap flights from Portland, ME (PWM) to San Francisco Bay Area
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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
May 3 — May 101
Round-trip
1 adult, Economy
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Find cheap flights from Portland to San Francisco Bay Area 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.Cheap flight deals from Portland to San Francisco Bay Area
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Cheapest flights from Portland to San Francisco Bay AreaExplore the most affordable flight options available from Portland to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
Explore the most affordable flight options available from Portland to San Francisco Bay Area. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/183:03 pm
PWM
- SFO
1 stop11h 25m
American Airlines
Tue 8/2511:30 pm
SFO
- PWM
1 stop11h 21m
American Airlines
Deal found 4/1![American Airlines logo]()
$291
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:43 pm
PWM
- SFO
1 stop8h 43m
Delta
Mon 5/1111:59 pm
SFO
- PWM
1 stop9h 01m
Delta
Deal found 4/2![Delta logo]()
$301
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 8/185:45 am
PWM
- SFO
2 stops11h 55m
Southwest
Tue 8/2511:05 pm
SFO
- PWM
1 stop12h 10m
Southwest
Deal found 4/1![Southwest logo]()
$302
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/51:18 pm
PWM
- SFO
1 stop10h 46m
American Airlines
Mon 5/117:53 pm
SFO
- PWM
2 stops11h 25m
American Airlines
Deal found 4/2![American Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 3/31. 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 5/712:45 pm
PWM
- SFO
2 stops12h 25m
Southwest
Sat 5/99:15 pm
SFO
- PWM
1 stop11h 50m
Southwest
Deal found 3/31![Southwest logo]()
$312
This Southwest deal was found by Cheapflights users on 4/1. 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.
Thu 6/41:00 pm
PWM
- SFO
1 stop9h 55m
Southwest
Mon 6/86:45 pm
SFO
- PWM
2 stops12h 10m
Southwest
Deal found 4/1![Southwest logo]()
$316
This Delta deal was found by Cheapflights users on 3/30. 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
Sun 5/105:50 am
SFO
- PWM
1 stop7h 17m
Delta
Deal found 3/30![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 4/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:03 pm
PWM
- SFO
1 stop10h 49m
American Airlines
Wed 9/166:01 am
SFO
- PWM
1 stop7h 57m
American Airlines
Deal found 4/1![American Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/291:00 pm
PWM
- SFO
2 stops12h 05m
Southwest
Wed 5/611:25 pm
SFO
- PWM
2 stops11h 45m
Southwest
Deal found 4/1![Southwest logo]()
$335
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/212:24 pm
PWM
- SFO
1 stop9h 55m
American Airlines
Thu 5/287:44 am
SFO
- PWM
1 stop11h 02m
American Airlines
Deal found 3/31![American Airlines logo]()
$340
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/16:00 am
PWM
- SFO
2 stops12h 25m
American Airlines
Mon 5/412:59 am
SFO
- PWM
2 stops11h 10m
American Airlines
Deal found 4/2![American Airlines logo]()
$341
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:10 pm
PWM
- OAK
2 stops12h 05m
Southwest
Sun 7/127:15 pm
OAK
- PWM
2 stops11h 30m
Southwest
Deal found 4/2![Southwest logo]()
$409
Best flights from Portland to San Francisco Bay AreaDiscover carefully curated flight deals from Portland to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
Discover carefully curated flight deals from Portland to San Francisco Bay Area that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 3, 2026.
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 8/185:45 am
PWM
- SFO
2 stops11h 55m
Southwest
Tue 8/2511:05 pm
SFO
- PWM
1 stop12h 10m
Southwest
Deal found 4/1![Southwest logo]()
$302
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/296:33 pm
PWM
- SFO
1 stop9h 06m
United Airlines
Wed 5/611:56 pm
SFO
- PWM
1 stop7h 27m
United Airlines
Deal found 3/31![United Airlines logo]()
$356
This Delta deal was found by Cheapflights users on 3/30. 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 3/30![Delta logo]()
$375
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/225:30 am
PWM
- SFO
2 stops11h 10m
Southwest
Sun 7/2610:50 pm
SFO
- PWM
1 stop12h 40m
Southwest
Deal found 4/3![Southwest logo]()
$380
This United Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 4/304:50 pm
PWM
- SFO
1 stop11h 00m
United Airlines
Mon 5/411:05 pm
SFO
- PWM
1 stop8h 13m
United Airlines
Deal found 3/31![United Airlines logo]()
$421
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:10 pm
PWM
- SFO
2 stops12h 20m
Southwest
Sun 7/1210:50 pm
SFO
- PWM
1 stop12h 40m
Southwest
Deal found 4/2![Southwest logo]()
$404
This Delta deal was found by Cheapflights users on 4/2. 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 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 stop12h 04m
Delta
Wed 9/166:05 am
SFO
- PWM
2 stops14h 54m
Delta
Deal found 4/2![Delta logo]()
$453
This Southwest deal was found by Cheapflights users on 4/2. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/23:10 pm
PWM
- OAK
2 stops12h 05m
Southwest
Sun 7/127:15 pm
OAK
- PWM
2 stops11h 30m
Southwest
Deal found 4/2![Southwest logo]()
$409
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/94:51 pm
PWM
- SJC
1 stop8h 39m
United Airlines
Fri 6/196:37 pm
SJC
- PWM
2 stops12h 30m
United Airlines
Deal found 4/1![United Airlines logo]()
$498
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 5/53:55 pm
PWM
- OAK
2 stops10h 30m
Southwest
Tue 5/128:55 am
OAK
- PWM
2 stops10h 40m
Southwest
Deal found 4/1![Southwest logo]()
$425
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/234:43 pm
PWM
- SJC
2 stops9h 59m
Delta
Mon 4/2711:00 pm
SJC
- PWM
2 stops21h 24m
Delta
Deal found 4/1![Delta logo]()
$532
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/93:23 pm
PWM
- SJC
1 stop9h 09m
United Airlines
Tue 5/128:45 am
SJC
- PWM
2 stops9h 34m
United Airlines
Deal found 3/30![United Airlines logo]()
$505
This Southwest deal was found by Cheapflights users on 3/31. 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 4/305:30 am
PWM
- OAK
2 stops10h 50m
Southwest
Sun 5/311:55 pm
OAK
- PWM
2 stops11h 15m
Southwest
Deal found 3/31![Southwest logo]()
$430
This United Airlines deal was found by Cheapflights users on 3/30. 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 7/246:25 pm
PWM
- SFO
1 stop10h 32m
United Airlines
Thu 8/61:00 pm
SFO
- PWM
1 stop7h 51m
United Airlines
Deal found 3/30![United Airlines logo]()
$538
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/812:55 pm
PWM
- OAK
2 stops14h 02m
Delta
Tue 5/1212:28 pm
OAK
- PWM
2 stops33h 15m
Delta
Deal found 4/1![Delta logo]()
$602
This United Airlines deal was found by Cheapflights users on 3/30. 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 7/246:25 pm
PWM
- SFO
1 stop10h 32m
United Airlines
Sun 8/99:15 pm
SFO
- PWM
1 stop8h 56m
United Airlines
Deal found 3/30![United Airlines logo]()
$538
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 8/45:45 am
PWM
- SFO
2 stops11h 55m
Southwest
Tue 8/117:25 pm
SFO
- PWM
2 stops11h 30m
Southwest
Deal found 4/1![Southwest logo]()
$508
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/712:55 pm
PWM
- OAK
2 stops14h 02m
Delta
Tue 5/1212:28 pm
OAK
- PWM
2 stops33h 15m
Delta
Deal found 4/1![Delta logo]()
$672
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/62:51 pm
PWM
- OAK
2 stops23h 57m
Delta
Tue 5/1212:28 pm
OAK
- PWM
2 stops33h 15m
Delta
Deal found 4/1![Delta logo]()
$676
This Southwest deal was found by Cheapflights users on 3/30. 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 4/156:10 am
PWM
- OAK
2 stops11h 45m
Southwest
Sun 4/1911:55 pm
OAK
- PWM
2 stops11h 15m
Southwest
Deal found 3/30![Southwest logo]()
$570
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:30 am
PWM
- OAK
2 stops18h 11m
Delta
Tue 5/125:05 pm
OAK
- PWM
2 stops28h 38m
Delta
Deal found 4/1![Delta logo]()
$676
This Southwest deal was found by Cheapflights users on 3/30. 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 4/141:00 pm
PWM
- SJC
1 stop10h 30m
Southwest
Sat 4/189:50 am
SJC
- PWM
2 stops10h 35m
Southwest
Deal found 3/30![Southwest logo]()
$592
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/225:21 am
PWM
- OAK
2 stops14h 03m
Delta
Mon 4/275:04 pm
OAK
- PWM
2 stops19h 53m
Delta
Deal found 4/1![Delta logo]()
$701
This Southwest deal was found by Cheapflights users on 3/30. 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 6/115:35 am
PWM
- SJC
1 stop12h 50m
Southwest
Sun 6/149:40 pm
SJC
- PWM
1 stop9h 05m
Southwest
Deal found 3/30![Southwest logo]()
$592
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/185:40 am
PWM
- OAK
2 stops12h 55m
Southwest
Wed 4/228:50 am
OAK
- PWM
2 stops10h 45m
Southwest
Deal found 4/3![Southwest logo]()
$1,160
Last-minute flights from Portland to San Francisco Bay AreaDiscover last-minute flight deals from Portland to San Francisco Bay Area. Data last updated April 3, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Francisco Bay Area. Data last updated April 3, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 4/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/224:28 pm
PWM
- SJC
1 stop9h 13m
United Airlines
Wed 4/298:45 am
SJC
- PWM
2 stops11h 45m
United Airlines
Deal found 4/1![United Airlines logo]()
$412
This Southwest deal was found by Cheapflights users on 4/1. 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.
Wed 4/291:00 pm
PWM
- SFO
1 stop11h 25m
Southwest
Wed 5/611:25 pm
SFO
- PWM
2 stops11h 45m
Southwest
Deal found 4/1![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 3/31. 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 4/296:33 pm
PWM
- SFO
1 stop9h 06m
United Airlines
Wed 5/611:56 pm
SFO
- PWM
1 stop7h 27m
United Airlines
Deal found 3/31![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 4/3. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/304:50 pm
PWM
- SJC
1 stop8h 56m
United Airlines
Mon 5/46:19 pm
SJC
- PWM
2 stops11h 30m
United Airlines
Deal found 4/3![United Airlines logo]()
$419
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Fri 5/16:00 am
PWM
- SFO
2 stops12h 25m
American Airlines
Mon 5/412:59 am
SFO
- PWM
2 stops11h 10m
American Airlines
Deal found 4/2![American Airlines logo]()
$341
This Delta deal was found by Cheapflights users on 4/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/54:43 pm
PWM
- SFO
1 stop8h 43m
Delta
Mon 5/1111:59 pm
SFO
- PWM
1 stop9h 01m
Delta
Deal found 4/2![Delta logo]()
$301
This American Airlines deal was found by Cheapflights users on 4/2. 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.
Tue 5/51:18 pm
PWM
- SFO
1 stop10h 46m
American Airlines
Mon 5/117:53 pm
SFO
- PWM
2 stops11h 25m
American Airlines
Deal found 4/2![American Airlines logo]()
$306
This Southwest deal was found by Cheapflights users on 4/1. 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.
Tue 5/53:55 pm
PWM
- OAK
2 stops10h 30m
Southwest
Tue 5/128:55 am
OAK
- PWM
2 stops10h 40m
Southwest
Deal found 4/1![Southwest logo]()
$425
This American Airlines deal was found by Cheapflights users on 3/31. 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 5/66:00 am
PWM
- SFO
1 stop8h 31m
American Airlines
Sat 5/1610:35 pm
SFO
- PWM
1 stop8h 43m
American Airlines
Deal found 3/31![American Airlines logo]()
$354
This Southwest deal was found by Cheapflights users on 3/31. 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 5/712:45 pm
PWM
- SFO
2 stops12h 25m
Southwest
Sat 5/99:15 pm
SFO
- PWM
1 stop11h 50m
Southwest
Deal found 3/31![Southwest logo]()
$312
This Delta deal was found by Cheapflights users on 3/30. 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
Sun 5/105:50 am
SFO
- PWM
1 stop7h 17m
Delta
Deal found 3/30![Delta logo]()
$323
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Thu 5/212:24 pm
PWM
- SFO
1 stop9h 55m
American Airlines
Thu 5/287:44 am
SFO
- PWM
1 stop11h 02m
American Airlines
Deal found 3/31![American Airlines logo]()
$340
One-way flights from Portland to San Francisco Bay AreaSearch for one-way flight options from Portland to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
Search for one-way flight options from Portland to San Francisco Bay Area. Find affordable one-way fares based on user searches. Data last updated April 3, 2026.
This American Airlines deal was found by Cheapflights users on 3/31. 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 6/102:24 pm
PWM
- SFO
1 stop9h 55m
American Airlines
Deal found 3/31![American Airlines logo]()
$146
This American Airlines deal was found by Cheapflights users on 3/30. 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.
Tue 5/56:00 am
PWM
- SFO
2 stops12h 25m
American Airlines
Deal found 3/30![American Airlines logo]()
$151
This United Airlines deal was found by Cheapflights users on 3/30. 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 5/47:10 pm
PWM
- SFO
1 stop9h 06m
United Airlines
Deal found 3/30![United Airlines logo]()
$156
This Delta deal was found by Cheapflights users on 3/31. 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 9/296:00 am
PWM
- SFO
1 stop10h 25m
Delta
Deal found 3/31![Delta logo]()
$168
This Southwest deal was found by Cheapflights users on 3/31. 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
2 stops12h 20m
Southwest
Deal found 3/31![Southwest logo]()
$173
This Kiwi.com deal was found by Cheapflights users on 3/30. 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.
Mon 5/411:29 am
PWM
- SFO
2 stops39h 54m
Multiple Airlines
Deal found 3/30![Multiple Airlines logo]()
$189
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/263:55 pm
PWM
- SFO
2 stops10h 20m
Southwest
Deal found 4/3![Southwest logo]()
$190
This KAYAK deal was found by Cheapflights users on 4/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/52:37 pm
PWM
- SFO
1 stop10h 42m
JetBlue
Deal found 4/1![JetBlue logo]()
$196
This Southwest deal was found by Cheapflights users on 4/3. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:30 am
PWM
- SJC
1 stop9h 50m
Southwest
Deal found 4/3![Southwest logo]()
$200
This Southwest deal was found by Cheapflights users on 3/30. 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 8/277:40 am
PWM
- OAK
1 stop8h 00m
Southwest
Deal found 3/30![Southwest logo]()
$200
This American Airlines deal was found by Cheapflights users on 3/31. 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.
Fri 7/36:59 pm
PWM
- SFO
1 stop9h 00m
American Airlines
Deal found 3/31![American Airlines logo]()
$209
This Southwest deal was found by Cheapflights users on 3/29. 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 9/87:45 am
PWM
- OAK
1 stop7h 55m
Southwest
Deal found 3/29![Southwest logo]()
$220
Find flight deals from Portland to San Francisco Bay Area
Keep the following information in mind while searching for Portland to San Francisco Bay Area flight deals. Data was last updated April 3, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $291 (American Airlines) |
One-way from | $146 (American Airlines) |
Popular in | December |
Cheapest in | November |
Average price | $432 |
Cheapflights Fare Finder
Customize your flight search to find flights from Portland to San Francisco Bay Area 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 April 3, 2026.
Use the filters below to find and compare flights from Portland to San Francisco Bay Area that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Tue 8/18
5:45 am-2:40 pm
2 stops11h 55m
San Francisco
Tue 8/25
11:05 pm-2:15 pm
1 stop12h 10m
$302
Quickest round-trip
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 4/29
6:33 pm-12:39 am
1 stop9h 06m
San Francisco
Wed 5/6
11:56 pm-10:23 am
1 stop7h 27m
$356
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 5/7
12:55 pm-5:49 pm
1 stop7h 54m
San Francisco
Sat 5/16
11:25 am-11:09 pm
1 stop8h 44m
$375
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 7/22
5:30 am-1:40 pm
2 stops11h 10m
San Francisco
Sun 7/26
10:50 pm-2:30 pm
1 stop12h 40m
$380
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 7/2
3:10 pm-12:30 am
2 stops12h 20m
San Francisco
Sun 7/12
10:50 pm-2:30 pm
1 stop12h 40m
$404
PortlandOakland
PWM - OAK
PWMOAK
Portland
Thu 7/2
3:10 pm-12:15 am
2 stops12h 05m
Oakland
Sun 7/12
7:15 pm-9:45 am
2 stops11h 30m
$409
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 4/30
4:50 pm-12:50 am
1 stop11h 00m
San Francisco
Mon 5/4
11:05 pm-10:18 am
1 stop8h 13m
$421
PortlandOakland
PWM - OAK
PWMOAK
Portland
Tue 5/5
3:55 pm-11:25 pm
2 stops10h 30m
Oakland
Tue 5/12
8:55 am-10:35 pm
2 stops10h 40m
$425
PortlandOakland
PWM - OAK
PWMOAK
Portland
Thu 4/30
5:30 am-1:20 pm
2 stops10h 50m
Oakland
Sun 5/3
11:55 pm-2:10 pm
2 stops11h 15m
$430
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 9/2
1:35 pm-10:39 pm
1 stop12h 04m
San Francisco
Wed 9/16
6:05 am-11:59 pm
2 stops14h 54m
$453
Showing 1-10 of 54 resultsSorted by cheapest first
Best time to book a flight from Portland to San Francisco Bay Area
Have a flexible travel schedule? Discover the best time to fly to San Francisco Bay Area from Portland with our price prediction graph.
PWM-SFO
PWM-SJC
PWM-OAK
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 Bay Area
PWM-zzXIH
PWM-SFO
PWM-SJC
PWM-OAK
What is the cheapest month to book a flight from Portland, Maine to San Francisco Bay Area?
Currently, November is the cheapest month in which you can book a flight from Portland, Maine to San Francisco Bay Area (average of $149). Flying from Portland, Maine to San Francisco Bay Area 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.
Reviews of airlines servicing San Francisco Bay Area
Get insights into the airlines that provide service to San Francisco Bay Area. 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 Bay Area. Reviews last updated April 3, 2026.
Peruse reviews from past customers who have flown with Southwest,Delta, andUnited Airlines from Portland to San Francisco Bay Area to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
Reviews
1 / 20
2.0
MediocreDominic,Mar 2026
MCO - SMF
Comfort
8.0
Crew
8.6
Boarding
8.1
Entertainment
7.5
Food
7.0
Overall
8.0
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 Bay Area. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
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Search flights from Portland to San Francisco Bay Area by cabin class
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Portland and San Francisco Bay Area flights
Browse other Portland and San Francisco Bay Area flight options. Last updated on April 3, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from Portland to San Francisco Bay Area
Discover the top 5 airlines that operate flights from Portland to San Francisco Bay Area. 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 April 3, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$438 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$236 | Average$358 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$243 | Average$421 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$487 | FlexibilityNo cancel fee | On-time63% |