$105+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
Apr 29 — May 61
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
Keep the following information in mind while searching for Portland to San Francisco Bay Area flight deals. Data was last updated April 24, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $282 (Delta) |
One-way from | $105 (Mytrip) |
Popular in | June |
Cheapest in | February |
Average price | $531 |
Find flight deals from Portland to San Francisco Bay Area
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 24, 2025.
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 24, 2025.
This Delta deal was found by Cheapflights users on 4/24. 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.
Wed 11/511:59 amPWM - SFO
1 stop9h 11mDelta
Tue 11/116:00 amSFO - PWM
2 stops12h 59mDelta
Deal found 4/24![Delta logo]()
$282
This American Airlines deal was found by Cheapflights users on 4/23. 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.
Sat 6/284:02 pmPWM - SFO
1 stop9h 25mAmerican Airlines
Sun 7/65:23 amSFO - PWM
1 stop8h 47mAmerican Airlines
Deal found 4/23![American Airlines logo]()
$305
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/287:15 pmPWM - SFO
1 stop8h 42mUnited Airlines
Fri 7/259:15 pmSFO - PWM
1 stop9h 09mUnited Airlines
Deal found 4/23![United Airlines logo]()
$317
This JetBlue deal was found by Cheapflights users on 4/23. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/287:12 amPWM - SFO
1 stop10h 19mJetBlue
Fri 5/3011:39 amSFO - PWM
1 stop8h 20mJetBlue
Deal found 4/23![JetBlue logo]()
$341
This Delta deal was found by Cheapflights users on 4/23. 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 6/1212:49 pmPWM - SJC
2 stops12h 55mDelta
Tue 6/1712:17 pmSJC - PWM
1 stop9h 09mDelta
Deal found 4/23![Delta logo]()
$356
This Southwest deal was found by Cheapflights users on 4/23. 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.
Sat 6/285:30 amPWM - SFO
2 stops12h 30mSouthwest
Tue 7/295:55 pmSFO - PWM
2 stops12h 50mSouthwest
Deal found 4/23![Southwest logo]()
$395
This Delta deal was found by Cheapflights users on 4/23. 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 5/285:00 pmPWM - OAK
2 stops9h 49mDelta
Fri 5/3012:39 pmOAK - PWM
2 stops24h 24mDelta
Deal found 4/23![Delta logo]()
$410
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1212:40 pmPWM - OAK
1 stop13h 11mMultiple Airlines
Tue 6/179:38 pmOAK - PWM
2 stops34h 57mMultiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$440
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/284:43 pmPWM - SJC
1 stop8h 56mUnited Airlines
Sat 5/317:00 amSJC - PWM
2 stops11h 56mUnited Airlines
Deal found 4/23![United Airlines logo]()
$590
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/128:56 pmPWM - SFO
3 stops28h 57mMultiple Airlines
Tue 6/176:14 pmSFO - PWM
2 stops20h 24mMultiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$650
This Mytrip deal was found by Cheapflights users on 4/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/78:20 pmPWM - SJC
3 stops30h 09mMultiple Airlines
Sat 5/1011:00 amSJC - PWM
3 stops29h 27mMultiple Airlines
Deal found 4/23![Multiple Airlines logo]()
$663
This Alaska Airlines deal was found by Cheapflights users on 4/23. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:37 pmPWM - SFO
1 stop11h 04mAlaska Airlines
Fri 11/288:10 amSFO - PWM
2 stops12h 38mAlaska Airlines
Deal found 4/23![Alaska Airlines logo]()
$664
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 24, 2025.
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
Tue 7/1
12:55 pm-9:33 pm
1 stop11h 38m
San Francisco
Mon 7/7
12:40 am-1:13 pm
2 stops9h 33m
$282
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 6/28
4:02 pm-10:27 pm
1 stop9h 25m
San Francisco
Sun 7/6
5:23 am-5:10 pm
1 stop8h 47m
$305
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 6/28
7:15 pm-12:57 am
1 stop8h 42m
San Francisco
Fri 7/25
9:15 pm-9:24 am
1 stop9h 09m
$317
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Wed 5/28
7:12 am-2:31 pm
1 stop10h 19m
San Francisco
Fri 5/30
11:39 am-10:59 pm
1 stop8h 20m
$341
PortlandSan Jose
PWM - SJC
PWMSJC
Portland
Thu 6/12
12:49 pm-10:44 pm
2 stops12h 55m
San Jose
Tue 6/17
12:17 pm-12:26 am
1 stop9h 09m
$356
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Sat 6/28
5:30 am-3:00 pm
2 stops12h 30m
San Francisco
Tue 7/29
5:55 pm-9:45 am
2 stops12h 50m
$395
PortlandOakland
PWM - OAK
PWMOAK
Portland
Wed 5/28
5:00 pm-11:49 pm
2 stops9h 49m
Oakland
Fri 5/30
12:39 pm-4:03 pm
2 stops24h 24m
$410
PortlandOakland
PWM - OAK
PWMOAK
Portland
Thu 6/12
12:40 pm-10:51 pm
1 stop13h 11m
Oakland
Tue 6/17
9:38 pm-11:35 am
2 stops34h 57m
$440
PortlandSan Jose
PWM - SJC
PWMSJC
Portland
Wed 5/28
4:43 pm-10:39 pm
1 stop8h 56m
San Jose
Sat 5/31
7:00 am-9:56 pm
2 stops11h 56m
$590
PortlandSan Francisco
PWM - SFO
PWMSFO
Portland
Thu 6/12
8:56 pm-10:53 pm
3 stops28h 57m
San Francisco
Tue 6/17
6:14 pm-5:38 pm
2 stops20h 24m
$650
Showing 1-10 of 25 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.
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
What is the cheapest month to book a flight from Portland, Maine to San Francisco Bay Area?
Currently, January is the cheapest month in which you can book a flight from Portland, Maine to San Francisco Bay Area (average of $276). Flying from Portland, Maine to San Francisco Bay Area in June is currently the most expensive (average of $393). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from PWM to XIH?
Find hourly flight availability from Portland to San Francisco Bay Area. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.
When flying from Portland, Maine to San Francisco Bay Area, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Rainfall in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in San Francisco Bay Area ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco Bay Area when rainfall is around 0.0 in.
Temperature in San Francisco Bay Area by month
Plan your trip to San Francisco Bay Area by taking into account the average temperature totals by month.
If weather is an important factor for your trip to San Francisco Bay Area, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).
Reviews of airlines servicing San Francisco 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 24, 2025.
Get a feel of what it's like to fly with Breeze Airways, Southwest and Delta from Portland to San Francisco Bay Area by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.8
Comfort
8.2
Boarding
8.3
Food
6.7
Overall
8.1
Entertainment
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Crew
8.8
Comfort
8.2
Boarding
8.3
Food
6.7
Overall
8.1
Entertainment
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Crew
8.8
Comfort
8.2
Boarding
8.3
Food
6.7
Overall
8.1
Entertainment
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Crew
8.8
Comfort
8.2
Boarding
8.3
Food
6.7
Overall
8.1
Entertainment
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Crew
8.8
Comfort
8.2
Boarding
8.3
Food
6.7
Overall
8.1
Entertainment
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
Crew
8.8
Comfort
8.2
Boarding
8.3
Food
6.7
Overall
8.1
Entertainment
6.7
Reviews
1 / 11
10.0
ExcellentDena,Dec 2024
LAS - BDL
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
See prices for flight routes from nearby airports that may be better suited for you.
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 24, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$437 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$435 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$502 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$320 | Average$495 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$366 | Average$438 | FlexibilityNo cancel fee | On-time63% |