$126+ 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
Mar 7 — Mar 141
1 adult, Economy
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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 February 5, 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 February 5, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 2/245:31 am
PWM
- SFO
2 stops15h 25m
Delta
Tue 3/310:45 pm
SFO
- PWM
1 stop10h 15m
Delta
Deal found 2/1![Delta logo]()
$262
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/33:05 pm
PWM
- SFO
1 stop11h 52m
United Airlines
Tue 3/107:00 am
SFO
- PWM
1 stop8h 25m
United Airlines
Deal found 2/3![United Airlines logo]()
$279
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Wed 3/115:50 am
SFO
- PWM
1 stop7h 16m
Delta
Deal found 2/1![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 2/1. 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 3/35:40 pm
PWM
- SFO
1 stop9h 07m
American Airlines
Tue 3/107:00 pm
SFO
- PWM
2 stops12h 28m
American Airlines
Deal found 2/1![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Thu 3/125:50 am
SFO
- PWM
2 stops15h 09m
Delta
Deal found 2/1![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/32:35 pm
PWM
- SFO
2 stops12h 14m
Delta
Mon 3/99:35 pm
SFO
- PWM
2 stops11h 34m
Delta
Deal found 2/1![Delta logo]()
$292
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:51 pm
PWM
- SFO
1 stop9h 08m
American Airlines
Mon 4/1310:35 pm
SFO
- PWM
1 stop8h 48m
American Airlines
Deal found 2/5![American Airlines logo]()
$307
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:13 pm
PWM
- SFO
1 stop9h 23m
Delta
Tue 3/1010:35 pm
SFO
- PWM
2 stops12h 15m
Delta
Deal found 2/3![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 2/1. 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 3/65:31 am
PWM
- SFO
2 stops15h 25m
Delta
Mon 3/99:35 pm
SFO
- PWM
2 stops11h 34m
Delta
Deal found 2/1![Delta logo]()
$317
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2211:56 am
PWM
- SFO
1 stop11h 16m
American Airlines
Wed 4/296:00 am
SFO
- PWM
1 stop8h 21m
American Airlines
Deal found 2/3![American Airlines logo]()
$324
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- SJC
1 stop10h 08m
Delta
Mon 3/26:25 pm
SJC
- PWM
2 stops14h 35m
Delta
Deal found 2/4![Delta logo]()
$364
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:18 pm
PWM
- SJC
2 stops12h 37m
Delta
Tue 5/1912:08 pm
SJC
- PWM
1 stop8h 10m
Delta
Deal found 2/3![Delta logo]()
$372
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 February 5, 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 February 5, 2026.
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Tue 3/1011:35 pm
SFO
- PWM
2 stops13h 31m
Delta
Deal found 2/1![Delta logo]()
$287
This American Airlines deal was found by Cheapflights users on 2/5. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:51 pm
PWM
- SFO
1 stop9h 08m
American Airlines
Mon 4/1310:35 pm
SFO
- PWM
1 stop8h 48m
American Airlines
Deal found 2/5![American Airlines logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/257:33 pm
PWM
- SFO
1 stop8h 44m
United Airlines
Sat 5/211:05 pm
SFO
- PWM
1 stop8h 13m
United Airlines
Deal found 2/4![United Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 2/3. 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 5/121:00 pm
PWM
- OAK
2 stops10h 35m
Southwest
Tue 5/199:25 am
OAK
- PWM
2 stops9h 55m
Southwest
Deal found 2/3![Southwest logo]()
$390
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Thu 3/125:50 am
SFO
- PWM
2 stops15h 09m
Delta
Deal found 2/1![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/1. 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 3/42:35 pm
PWM
- SFO
2 stops12h 12m
Delta
Wed 3/1110:40 pm
SFO
- PWM
2 stops12h 10m
Delta
Deal found 2/1![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:51 pm
PWM
- SFO
1 stop9h 16m
Delta
Wed 4/155:50 am
SFO
- PWM
1 stop7h 07m
Delta
Deal found 2/4![Delta logo]()
$307
This United Airlines deal was found by Cheapflights users on 2/4. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2510:00 am
PWM
- SJC
2 stops11h 30m
United Airlines
Sat 5/26:30 am
SJC
- PWM
2 stops14h 29m
United Airlines
Deal found 2/4![United Airlines logo]()
$403
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:29 pm
PWM
- SJC
2 stops13h 02m
American Airlines
Mon 3/26:00 am
SJC
- PWM
2 stops13h 59m
American Airlines
Deal found 2/4![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/812:51 pm
PWM
- SFO
1 stop9h 16m
Delta
Tue 4/145:50 am
SFO
- PWM
1 stop7h 07m
Delta
Deal found 2/4![Delta logo]()
$307
This Southwest deal was found by Cheapflights users on 2/2. 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.
Tue 3/1712:30 pm
PWM
- OAK
2 stops12h 30m
Southwest
Thu 3/1911:55 pm
OAK
- PWM
2 stops9h 00m
Southwest
Deal found 2/2![Southwest logo]()
$429
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/612:13 pm
PWM
- SFO
1 stop9h 23m
Delta
Tue 3/1010:35 pm
SFO
- PWM
2 stops12h 15m
Delta
Deal found 2/3![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 2/2. 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.
Tue 3/104:30 pm
PWM
- SJC
1 stop8h 15m
Southwest
Fri 3/1310:10 am
SJC
- PWM
2 stops10h 55m
Southwest
Deal found 2/2![Southwest logo]()
$452
This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 3/2112:51 pm
PWM
- SFO
1 stop9h 16m
Delta
Tue 3/246:28 pm
SFO
- PWM
2 stops14h 41m
Delta
Deal found 2/2![Delta logo]()
$312
This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 3/2112:51 pm
PWM
- SFO
1 stop9h 16m
Delta
Mon 3/2310:40 pm
SFO
- PWM
2 stops9h 24m
Delta
Deal found 2/2![Delta logo]()
$312
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:45 pm
PWM
- SJC
1 stop11h 10m
Southwest
Sat 5/29:20 am
SJC
- PWM
2 stops10h 50m
Southwest
Deal found 2/4![Southwest logo]()
$462
This Southwest deal was found by Cheapflights users on 2/1. 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.
Fri 6/53:10 pm
PWM
- OAK
2 stops12h 05m
Southwest
Mon 6/87:45 pm
OAK
- PWM
2 stops11h 10m
Southwest
Deal found 2/1![Southwest logo]()
$469
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1112:30 pm
PWM
- OAK
2 stops10h 55m
Southwest
Sun 3/2211:55 pm
OAK
- PWM
2 stops11h 20m
Southwest
Deal found 2/4![Southwest logo]()
$469
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- SJC
1 stop10h 08m
Delta
Mon 3/26:25 pm
SJC
- PWM
2 stops14h 35m
Delta
Deal found 2/4![Delta logo]()
$364
This Southwest deal was found by Cheapflights users on 2/2. 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.
Fri 3/202:50 pm
PWM
- OAK
2 stops12h 20m
Southwest
Sun 3/2211:55 pm
OAK
- PWM
2 stops11h 20m
Southwest
Deal found 2/2![Southwest logo]()
$489
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/121:18 pm
PWM
- SJC
2 stops12h 37m
Delta
Tue 5/1912:08 pm
SJC
- PWM
1 stop8h 10m
Delta
Deal found 2/3![Delta logo]()
$372
This Southwest deal was found by Cheapflights users on 2/3. 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.
Mon 6/85:35 am
PWM
- SJC
1 stop12h 50m
Southwest
Mon 6/229:40 pm
SJC
- PWM
1 stop9h 15m
Southwest
Deal found 2/3![Southwest logo]()
$538
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/65:31 am
PWM
- SJC
1 stop10h 08m
Delta
Tue 3/1010:50 pm
SJC
- PWM
2 stops14h 16m
Delta
Deal found 2/3![Delta logo]()
$408
This Southwest deal was found by Cheapflights users on 2/4. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1012:30 pm
PWM
- OAK
2 stops10h 55m
Southwest
Sat 3/219:10 am
OAK
- PWM
2 stops12h 00m
Southwest
Deal found 2/4![Southwest logo]()
$699
This Southwest deal was found by Cheapflights users on 2/1. 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 2/171:00 pm
PWM
- OAK
2 stops11h 25m
Southwest
Sat 2/217:05 pm
OAK
- PWM
2 stops15h 40m
Southwest
Deal found 2/1![Southwest logo]()
$767
This Delta deal was found by Cheapflights users on 2/1. 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 6/42:38 pm
PWM
- OAK
2 stops36h 19m
Delta
Mon 6/85:55 am
OAK
- PWM
2 stops28h 59m
Delta
Deal found 2/1![Delta logo]()
$690
This Delta deal was found by Cheapflights users on 2/1. 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 6/42:38 pm
PWM
- OAK
2 stops36h 19m
Delta
Sat 6/66:00 am
OAK
- PWM
2 stops38h 59m
Delta
Deal found 2/1![Delta logo]()
$691
This Delta deal was found by Cheapflights users on 2/1. 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 6/512:52 pm
PWM
- OAK
2 stops14h 05m
Delta
Sat 6/66:00 am
OAK
- PWM
2 stops14h 18m
Delta
Deal found 2/1![Delta logo]()
$1,095
Last-minute flights from Portland to San Francisco Bay AreaDiscover last-minute flight deals from Portland to San Francisco Bay Area. Data last updated February 5, 2026 and is based on user searches.
Discover last-minute flight deals from Portland to San Francisco Bay Area. Data last updated February 5, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 2/1. 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 2/215:31 am
PWM
- SFO
1 stop10h 24m
Delta
Wed 3/410:45 pm
SFO
- PWM
1 stop10h 15m
Delta
Deal found 2/1![Delta logo]()
$341
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 2/245:31 am
PWM
- SFO
2 stops15h 25m
Delta
Tue 3/310:45 pm
SFO
- PWM
1 stop10h 15m
Delta
Deal found 2/1![Delta logo]()
$262
This Delta deal was found by Cheapflights users on 2/4. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:31 am
PWM
- SJC
1 stop10h 08m
Delta
Mon 3/26:25 pm
SJC
- PWM
2 stops14h 35m
Delta
Deal found 2/4![Delta logo]()
$364
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2612:29 pm
PWM
- SJC
2 stops13h 02m
American Airlines
Mon 3/26:00 am
SJC
- PWM
2 stops13h 59m
American Airlines
Deal found 2/4![American Airlines logo]()
$408
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Wed 3/115:50 am
SFO
- PWM
1 stop7h 16m
Delta
Deal found 2/1![Delta logo]()
$282
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Mon 3/910:35 pm
SFO
- PWM
2 stops12h 15m
Delta
Deal found 2/1![Delta logo]()
$287
This Delta deal was found by Cheapflights users on 2/1. 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 2/2812:45 pm
PWM
- SFO
1 stop8h 51m
Delta
Thu 3/125:50 am
SFO
- PWM
1 stop7h 16m
Delta
Deal found 2/1![Delta logo]()
$338
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Tue 3/33:05 pm
PWM
- SFO
1 stop11h 52m
United Airlines
Tue 3/107:00 am
SFO
- PWM
1 stop8h 25m
United Airlines
Deal found 2/3![United Airlines logo]()
$279
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/35:40 pm
PWM
- SFO
1 stop9h 07m
American Airlines
Tue 3/1011:29 pm
SFO
- PWM
2 stops9h 45m
American Airlines
Deal found 2/3![American Airlines logo]()
$284
This Delta deal was found by Cheapflights users on 2/1. 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.
Tue 3/32:35 pm
PWM
- SFO
2 stops12h 14m
Delta
Mon 3/99:35 pm
SFO
- PWM
2 stops11h 34m
Delta
Deal found 2/1![Delta logo]()
$292
This Delta deal was found by Cheapflights users on 2/1. 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 3/65:31 am
PWM
- SFO
1 stop10h 19m
Delta
Tue 3/105:50 am
SFO
- PWM
1 stop7h 16m
Delta
Deal found 2/1![Delta logo]()
$307
This Delta deal was found by Cheapflights users on 2/1. 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 3/65:31 am
PWM
- SFO
2 stops15h 25m
Delta
Wed 3/118:00 am
SFO
- PWM
2 stops12h 12m
Delta
Deal found 2/1![Delta logo]()
$317
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 February 5, 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 February 5, 2026.
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:40 pm
PWM
- SFO
1 stop9h 07m
American Airlines
Deal found 2/3![American Airlines logo]()
$126
This Delta deal was found by Cheapflights users on 2/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
PWM
- SFO
2 stops16h 56m
Delta
Deal found 2/3![Delta logo]()
$134
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:13 pm
PWM
- SFO
1 stop9h 06m
United Airlines
Deal found 2/2![United Airlines logo]()
$154
This Delta deal was found by Cheapflights users on 2/2. 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.
Sat 7/46:00 am
PWM
- SFO
2 stops14h 50m
Delta
Deal found 2/2![Delta logo]()
$159
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/46:00 am
PWM
- SFO
1 stop9h 15m
United Airlines
Deal found 2/2![United Airlines logo]()
$176
This American Airlines deal was found by Cheapflights users on 2/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/16:00 am
PWM
- SFO
2 stops13h 43m
American Airlines
Deal found 2/3![American Airlines logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/25:06 pm
PWM
- SFO
3 stops31h 55m
Multiple Airlines
Deal found 2/2![Multiple Airlines logo]()
$184
This American Airlines deal was found by Cheapflights users on 2/4. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/153:39 pm
PWM
- SFO
2 stops11h 20m
American Airlines
Deal found 2/4![American Airlines logo]()
$191
This United Airlines deal was found by Cheapflights users on 2/3. 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.
Sat 7/46:02 pm
PWM
- SFO
Nonstop6h 35m
United Airlines
Deal found 2/3![United Airlines logo]()
$200
This Southwest deal was found by Cheapflights users on 2/3. 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 4/41:10 pm
PWM
- SFO
2 stops11h 50m
Southwest
Deal found 2/3![Southwest logo]()
$202
This United Airlines deal was found by Cheapflights users on 2/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/276:00 am
PWM
- SFO
1 stop8h 19m
United Airlines
Deal found 2/2![United Airlines logo]()
$203
This Delta deal was found by Cheapflights users on 2/2. 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 7/74:50 pm
PWM
- SJC
1 stop7h 58m
Delta
Deal found 2/2![Delta logo]()
$224
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 February 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $262 (Delta) |
One-way from | $126 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $420 |
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 February 5, 2026.
Use the filters below to find and compare flights from Portland to San Francisco Bay Area that are best for you.
Fly from
Portland
Fly to
San Francisco Bay Area
Route
Depart
Return
Price
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 2/28
12:45 pm-6:36 pm
1 stop8h 51m
San Francisco
Tue 3/10
11:35 pm-4:06 pm
2 stops13h 31m
$287
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 2/28
12:45 pm-6:36 pm
1 stop8h 51m
San Francisco
Thu 3/12
5:50 am-11:59 pm
2 stops15h 09m
$287
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 3/4
2:35 pm-11:47 pm
2 stops12h 12m
San Francisco
Wed 3/11
10:40 pm-1:50 pm
2 stops12h 10m
$292
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 4/9
5:51 pm-11:59 pm
1 stop9h 08m
San Francisco
Mon 4/13
10:35 pm-10:23 am
1 stop8h 48m
$307
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 4/25
7:33 pm-1:17 am
1 stop8h 44m
San Francisco
Sat 5/2
11:05 pm-10:18 am
1 stop8h 13m
$307
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 4/8
12:51 pm-7:07 pm
1 stop9h 16m
San Francisco
Wed 4/15
5:50 am-3:57 pm
1 stop7h 07m
$307
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 4/8
12:51 pm-7:07 pm
1 stop9h 16m
San Francisco
Tue 4/14
5:50 am-3:57 pm
1 stop7h 07m
$307
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Fri 3/6
12:13 pm-6:36 pm
1 stop9h 23m
San Francisco
Tue 3/10
10:35 pm-1:50 pm
2 stops12h 15m
$312
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 3/21
12:51 pm-7:07 pm
1 stop9h 16m
San Francisco
Tue 3/24
6:28 pm-12:09 pm
2 stops14h 41m
$312
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 3/21
12:51 pm-7:07 pm
1 stop9h 16m
San Francisco
Mon 3/23
10:40 pm-11:04 am
2 stops9h 24m
$312
Showing 1-10 of 52 results
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, March is the cheapest month in which you can book a flight from Portland, Maine to San Francisco Bay Area (average of $103). Flying from Portland, Maine to San Francisco Bay Area in January is currently the most expensive (average of $181). 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 February 5, 2026.
Peruse reviews from past customers who have flown with Southwest, Delta, and United 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.
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
Overall
8.0
Crew
8.6
Comfort
8.0
Boarding
8.1
Food
7.0
Entertainment
7.5
Reviews
1 / 20
8.0
ExcellentWalter,Aug 2025
OAK - SAN
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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Alternative routes for Portland to San Francisco Bay Area
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Complete your trip
Complete your trip to San Francisco Bay Area by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Portland to San Francisco Bay Area by cabin class
Find flights from Portland to San Francisco Bay Area, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Portland and San Francisco Bay Area flights
Browse other Portland and San Francisco Bay Area flight options. Last updated on February 5, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Portland to San Francisco Bay Area flights
Consider these flights traveling from Portland to San Francisco Bay Area.
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 February 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$156 | Average$423 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$238 | Average$386 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$268 | Average$527 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$476 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$320 | Average$495 | FlexibilityNo cancel fee | On-time62% |