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PWM - SFO
Sep 10 - Sep 17
San Francisco

$106+ Cheap flights from Portland to San Francisco (PWM - SFO)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — SFO
Sep 10 — Sep 171
Tue 9/10
Tue 9/17
1 adult, Economy
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PWM - SFO
Sep 10 - Sep 17

Find cheap flights from Portland to San Francisco 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.

The best prices from Portland to San Francisco are usually found in October or January, booked 77 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Portland to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 5, 2024.

Popular in

April

Cheapest in

October

Round-trip from

$212
(American Airlines)

One-way from

$106
(American Airlines)
High demand for flights, 31% potential price rise
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Best time to find cheap flights, 36% potential price drop
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From Portland to San Francisco
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One-way flight from Portland to San Francisco
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Cheap Portland to San Francisco flights in September & October 2024

Find cheap flight options from Portland to San Francisco specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,924,376 searches. Prices were last updated on September 5, 2024.
These are some of the best deals we've found on flights to San Francisco in 2024 at this time. For more flight deals, be sure to check back very soon.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 9/283:59 pmPWM - SFO
1 stop9h 21mAmerican Airlines
Sat 10/511:53 pmSFO - PWM
1 stop9h 30mAmerican Airlines
Deal found 9/5$212
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 9/283:59 pmPWM - SFO
1 stop9h 21mAmerican Airlines
Fri 10/412:16 amSFO - PWM
2 stops11h 11mAmerican Airlines
Deal found 9/5$217
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/265:40 amPWM - SFO
2 stops10h 56mAmerican Airlines
Sat 11/97:40 amSFO - PWM
2 stops12h 08mAmerican Airlines
Deal found 9/5$222
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/242:27 pmPWM - SFO
1 stop11h 24mAmerican Airlines
Tue 11/510:46 pmSFO - PWM
1 stop10h 44mAmerican Airlines
Deal found 9/5$242
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/2412:56 pmPWM - SFO
1 stop10h 53mAmerican Airlines
Tue 11/511:50 pmSFO - PWM
2 stops12h 41mAmerican Airlines
Deal found 9/5$247
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/34:01 pmPWM - SFO
1 stop9h 41mAmerican Airlines
Mon 10/711:53 pmSFO - PWM
1 stop9h 09mAmerican Airlines
Deal found 9/4$252
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/266:10 amPWM - SFO
1 stop10h 51mDelta
Wed 11/65:15 amSFO - PWM
1 stop8h 05mDelta
Deal found 9/5$256
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/266:10 amPWM - SFO
1 stop10h 51mDelta
Tue 11/1210:17 amSFO - PWM
2 stops9h 49mDelta
Deal found 9/5$261
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/251:53 pmPWM - SFO
1 stop9h 42mDelta
Sat 11/25:16 amSFO - PWM
1 stop8h 04mDelta
Deal found 9/5$264

Portland to San Francisco 2024 flight deals

Discover exclusive flight deals for travel between Portland and San Francisco in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated September 5, 2024.
These are some of the best deals we've found on flights to San Francisco in 2024 at this time. For more flight deals, be sure to check back very soon.
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 9/283:59 pmPWM - SFO
1 stop9h 21mAmerican Airlines
Sat 10/511:53 pmSFO - PWM
1 stop9h 30mAmerican Airlines
Deal found 9/5$212
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 9/283:59 pmPWM - SFO
1 stop9h 21mAmerican Airlines
Fri 10/412:16 amSFO - PWM
2 stops11h 11mAmerican Airlines
Deal found 9/5$217
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Sat 10/265:40 amPWM - SFO
2 stops10h 56mAmerican Airlines
Sat 11/97:40 amSFO - PWM
2 stops12h 08mAmerican Airlines
Deal found 9/5$222
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/242:27 pmPWM - SFO
1 stop11h 24mAmerican Airlines
Tue 11/510:46 pmSFO - PWM
1 stop10h 44mAmerican Airlines
Deal found 9/5$242
This American Airlines deal was found by Cheapflights users on 9/5. 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 10/2412:56 pmPWM - SFO
1 stop10h 53mAmerican Airlines
Tue 11/511:50 pmSFO - PWM
2 stops12h 41mAmerican Airlines
Deal found 9/5$247
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/34:01 pmPWM - SFO
1 stop9h 41mAmerican Airlines
Mon 10/711:53 pmSFO - PWM
1 stop9h 09mAmerican Airlines
Deal found 9/4$252
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/266:10 amPWM - SFO
1 stop10h 51mDelta
Wed 11/65:15 amSFO - PWM
1 stop8h 05mDelta
Deal found 9/5$256
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/266:10 amPWM - SFO
1 stop10h 51mDelta
Fri 11/810:18 amSFO - PWM
2 stops10h 02mDelta
Deal found 9/5$261
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/251:53 pmPWM - SFO
1 stop9h 42mDelta
Tue 11/125:37 amSFO - PWM
1 stop7h 30mDelta
Deal found 9/5$264

One-way flights to San Francisco from Portland

Search for one-way flight options from Portland to San Francisco. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated September 5, 2024.
Some of the best available deals we've found on one-way flights from Portland to San Francisco. Users in need of a round-trip flight from Portland to San Francisco instead should update the search form at the top of page.
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Sat 9/283:59 pmPWM - SFO
1 stop9h 21mAmerican Airlines
Deal found 9/4$106
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 10/291:17 pmPWM - SFO
2 stops11h 43mAmerican Airlines
Deal found 9/4$111
This American Airlines deal was found by Cheapflights users on 9/4. 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 10/2412:56 pmPWM - SFO
1 stop10h 53mAmerican Airlines
Deal found 9/4$136
This Delta deal was found by Cheapflights users on 9/4. 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.
Sat 9/286:15 amPWM - SFO
2 stops15h 41mDelta
Deal found 9/4$138
This Delta deal was found by Cheapflights users on 9/4. 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 10/241:53 pmPWM - SFO
2 stops12h 50mDelta
Deal found 9/4$141
This Delta deal was found by Cheapflights users on 9/5. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:05 amPWM - SFO
2 stops13h 18mDelta
Deal found 9/5$169
This American Airlines deal was found by Cheapflights users on 9/5. 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.
Tue 12/1712:56 pmPWM - SFO
1 stop10h 20mAmerican Airlines
Deal found 9/5$176
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 9/241:30 pmPWM - SFO
1 stop10h 31mAmerican Airlines
Deal found 9/4$188
This American Airlines deal was found by Cheapflights users on 9/4. 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.
Tue 9/247:26 amPWM - SFO
2 stops10h 32mAmerican Airlines
Deal found 9/4$193

Find flights from Portland to San Francisco within your budget

Customize your flight search to find flights from Portland to San Francisco that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated September 5, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$212 - $542

Route

Depart

Return

Price

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Sat 9/28

1 stop9h 21m

San Francisco

Sat 10/5

1 stop9h 30m

$212

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Sat 9/28

1 stop9h 21m

San Francisco

Fri 10/4

2 stops11h 11m

$217

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Thu 10/3

1 stop8h 31m

San Francisco

Mon 10/7

1 stop10h 02m

$242

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Thu 10/3

1 stop9h 41m

San Francisco

Mon 10/7

1 stop9h 09m

$252

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Sat 9/28

1 stop8h 51m

San Francisco

Fri 10/4

1 stop7h 14m

$266

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Thu 10/3

1 stop8h 29m

San Francisco

Mon 10/7

2 stops13h 00m

$271

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Thu 10/3

2 stops9h 47m

San Francisco

Mon 10/7

2 stops11h 00m

$276

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Sun 10/13

1 stop13h 11m

San Francisco

Wed 10/16

1 stop14h 48m

$465

PortlandSan Francisco

PWM - SFO

PWMSFO

Portland

Thu 10/10

2 stops11h 50m

San Francisco

Sun 10/13

1 stop9h 45m

$542

Flights are sorted by cheapest first

Deals found on 9/5

Compare providers for flights from Portland to San Francisco

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to San Francisco in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Best time to book a flight from Portland to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Portland with our price prediction graph.
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.

Travel insights for flights from Portland to San Francisco

Get recent, data-driven insights about flights from Portland to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland, Maine to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Portland to San Francisco. Price data was last updated on August 30, 2024.

The best time to book flights from Portland, Maine to San Francisco is 77 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Find deals

What is the cheapest month to book a flight from Portland, Maine to San Francisco?

Currently, February is the cheapest month in which you can book a flight from Portland, Maine to San Francisco (average of $73). Flying from Portland, Maine to San Francisco in June is currently the most expensive (average of $166). 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 SFO?

Find hourly flight availability from Portland to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 5, 2024.

Unlike in the evening, when flights are generally more expensive, you can save up to 33% on flights from Portland, Maine to San Francisco by exploring options for tickets in the afternoon.

What is the cheapest day to fly from Portland, Maine to San Francisco?

Use this chart to determine the cheapest time to fly round-trip from Portland to San Francisco. Price data was last updated on September 1, 2024.

Travelers seeking maximum savings on their Portland, Maine to San Francisco flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Find deals

What are the most popular airlines that fly from Portland, Maine to San Francisco?

Our users search for these airlines the most when looking for flights from Portland to San Francisco. Data last updated on September 5, 2024.

When booking a flight from Portland, Maine to San Francisco, you may want to consider flying on American Airlines, United Airlines or Delta as they are the most popular for this route.

American Airlines

American Airlines

From $222

United Airlines

United Airlines

From $308

Delta

Delta

From $256

JetBlue

JetBlue

From $370

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco 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 when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, 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

Get insights into the airlines that provide service to San Francisco. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Francisco. Reviews last updated September 5, 2024.
Read reviews from past customers who have flown United Airlines, Delta and Southwest from Portland to San Francisco. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
5,383 reviews

Entertainment

7.8

Food

7.3

Overall

8.2

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Southwest
8.2
Very good
5,383 reviews
Southwest
8.2
Very good
5,383 reviews

Entertainment

7.8

Food

7.3

Overall

8.2

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Delta
8.0
Very good
9,185 reviews
Southwest
8.2
Very good
5,383 reviews

Entertainment

7.8

Food

7.3

Overall

8.2

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

United Airlines
7.4
Good
9,648 reviews
Southwest
8.2
Very good
5,383 reviews

Entertainment

7.8

Food

7.3

Overall

8.2

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,383 reviews

Entertainment

7.8

Food

7.3

Overall

8.2

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

WestJet
7.3
Good
2,795 reviews
Southwest
8.2
Very good
5,383 reviews

Entertainment

7.8

Food

7.3

Overall

8.2

Boarding

8.3

Comfort

8.1

Crew

8.7

Reviews

1 / 10

No issues. I needed pre boarding and I was able to get it without issue

Related info for your journey

Find useful and relevant information for your journey from Portland to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Portland, Maine to San Francisco for under $300 on Cheapflights?

    Yes, there are multiple flights from Portland, Maine to San Francisco for under $300. The cheapest flight booked recently is on American Airlines for just $212, but on average you can expect to pay $314.

  • What are the cheapest airlines flying from Portland, Maine to San Francisco round-trip?

    American Airlines, at $212, was found to be the cheapest airline from Portland, Maine to San Francisco.Alternate airlines to your destination round-trip include United Airlines and Delta. Users have found that American Airlines is 60% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Portland, Maine to San Francisco are American Airlines ($106), Delta ($138), and United Airlines ($248).

  • What does PWM to SFO mean?

    Great question - PWM to SFO just means Portland Airport to San Francisco Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Portland to San Francisco that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to San Francisco flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to San Francisco with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to San Francisco flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

    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.

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

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

  • Can I find deals for flights from Portland to San Francisco that allow pets onboard?

    Many airlines flying from Portland to San Francisco offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to San Francisco?

    Yes, you can often find last-minute deals on Portland to San Francisco flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland, Maine to San Francisco flight deals updated?

    The Portland, Maine to San Francisco flight deals you see on this page were last updated on 9/5.

  • What is the cheapest month to book a flight from Portland, Maine to San Francisco?

    Currently, February is the cheapest month in which you can book a flight from Portland, Maine to San Francisco (average of $73). Flying from Portland, Maine to San Francisco in June is currently the most expensive (average of $166). 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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Top 4 airlines flying from Portland to San Francisco

Discover the top 4 airlines that operate flights from Portland to San Francisco. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,924,376 searches. Data last updated September 5, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$222Average$519FlexibilityNo cancel feeOn-time71%
DeltaCheapest$256Average$458FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$308Average$662FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$370Average$529FlexibilityNo cancel feeOn-time62%
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Search flights from Portland to San Francisco by cabin class

Find flights from Portland to San Francisco, based on your preferred cabin class, be it economy, premium economy, business, or first class.