San Francisco Bay Area

$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
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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
Provider with most accurate pricing for Portland-San Francisco flight deals.
Provider most trusted by Cheapflights users for Portland-San Francisco flights.
From Portland to San Francisco Bay Area
One-way flight from Portland to San Francisco Bay Area
Highest demand for flights based on searches. 11% potential increase in price ($62 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Portland to San Francisco Bay Area

Cheapest flights from Portland to San Francisco Bay Area
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$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$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$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$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$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$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$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$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$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$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$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$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

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 25 results
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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
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Crew

8.8

Comfort

8.2

Boarding

8.3

Food

6.7

Overall

8.1

Entertainment

6.7

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Crew

8.8

Comfort

8.2

Boarding

8.3

Food

6.7

Overall

8.1

Entertainment

6.7

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!
8.0
Very good

Crew

8.8

Comfort

8.2

Boarding

8.3

Food

6.7

Overall

8.1

Entertainment

6.7

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Crew

8.8

Comfort

8.2

Boarding

8.3

Food

6.7

Overall

8.1

Entertainment

6.7

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

Crew

8.8

Comfort

8.2

Boarding

8.3

Food

6.7

Overall

8.1

Entertainment

6.7

Reviews

1 / 11
10.0
Excellent

Dena,Dec 2024

LAS - BDL

It was comfortable and the crew was great! A few free snacks offered would be nice!

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.
  • What airport do you fly from for flights from Portland to San Francisco Bay Area?

    Most people fly from Portland (PWM) if they book a flight from Portland to San Francisco Bay Area. Portland is conveniently located just 2.9 mi from Portland’s city center.

  • What are the cheapest airlines to fly from Portland, Maine to San Francisco Bay Area one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $105. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Portland, Maine to San Francisco Bay Area for a low price.

  • What are the most popular routes from Portland, Maine to San Francisco Bay Area?

  • Can I find deals for flights from Portland to San Francisco Bay Area that include hotel bookings?

    Yes. In addition to deals on Portland to San Francisco Bay Area flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to San Francisco Bay Area?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to San Francisco Bay Area.

  • Can I find deals for business class flights from Portland to San Francisco Bay Area?

    Yes. Cheapflights offers flight deals from Portland to San Francisco Bay Area by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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.

See more FAQs

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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.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$437FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$435FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$276Average$502FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$320Average$495FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$366Average$438FlexibilityNo cancel feeOn-time63%

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