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

PWM — SFO
Feb 4 — Feb 111

The best prices from Portland to San Francisco are usually found in February or January, booked 45 days in advance, depart on a Tuesday or Wednesday and return on a Tuesday

How to find the cheapest flight from Portland (PWM) to San Francisco (SFO)

All the information you need to plan the best PWM to SFO flight in 2023: compare Portland to San Francisco flight prices with the expected peak season, weather and rainfall in San Francisco.

PWM - SFO

Price

$307 - $806

SFO

Temperature

51.8 - 62.6 °F

SFO

Rainfall

0 - 4.4 inches

Popular inJulyHigh demand for flights, 32% potential price rise
Cheapest inFebruaryBest time to find cheap flights, 44% potential price drop
Round-trip from$307From Portland to San Francisco
One-way from$248One-way flight from Portland to San Francisco

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

Users have found that flying from Portland, Maine to San Francisco on a Saturday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

To save on the cost of your flight from Portland, Maine to San Francisco, book at least 46 days before your planned departure. Booking around this time can save you about 36% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $605 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $739.

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

February can be a great time to fly to San Francisco from Portland, Maine with a flight ticket averaging about $546. Cheapflights users have found deals in the month of February for as cheap as $245. The most expensive prices can be found in the month of July.

When is the cheapest time to fly from Portland, Maine to San Francisco (PWM - SFO)?

Unlike in the morning, when flights are generally more expensive, you can save up to 13% on flights from Portland, Maine to San Francisco by exploring options for tickets in the evening.

Cheap flights from Portland to San Francisco in January, February 2023

The best prices found for PWM to SFO flights for January, February
Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

1 stop

16h 55m
SFO

San Francisco

PWM

Portland

1 stop

23h 29m
$325

United Airlines

Pick Dates

Deal found 1/28

Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

2 stops

19h 40m
SFO

San Francisco

PWM

Portland

1 stop

21h 39m
$330

United Airlines

Pick Dates

Deal found 1/28

Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

2 stops

19h 40m
SFO

San Francisco

PWM

Portland

2 stops

20h 30m
$334

United Airlines

Pick Dates

Deal found 1/28

Portland to San Francisco 2023 flight deals

Cheap flights to San Francisco from Portland found for this year
May 9 - May 16
PWM

Portland

SFO

San Francisco

1 stop

8h 47m
SFO

San Francisco

PWM

Portland

1 stop

9h 23m
$303

JetBlue

Pick Dates

Deal found 1/28

Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

1 stop

16h 55m
SFO

San Francisco

PWM

Portland

1 stop

23h 29m
$325

United Airlines

Pick Dates

Deal found 1/28

May 5 - May 11
PWM

Portland

SFO

San Francisco

1 stop

8h 47m
SFO

San Francisco

PWM

Portland

1 stop

8h 23m
$329

JetBlue

Pick Dates

Deal found 1/30

Cheap United Airlines flights from Portland to San Francisco

Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

1 stop

16h 55m
SFO

San Francisco

PWM

Portland

1 stop

23h 29m
$325

United Airlines

Pick Dates

Deal found 1/28

Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

2 stops

19h 40m
SFO

San Francisco

PWM

Portland

1 stop

21h 39m
$330

United Airlines

Pick Dates

Deal found 1/28

Feb 27 - Mar 6
PWM

Portland

SFO

San Francisco

2 stops

19h 40m
SFO

San Francisco

PWM

Portland

2 stops

20h 30m
$334

United Airlines

Pick Dates

Deal found 1/28

Cheap American Airlines flights from Portland to San Francisco

Apr 4 - Apr 11
PWM

Portland

SFO

San Francisco

2 stops

11h 11m
SFO

San Francisco

PWM

Portland

2 stops

12h 28m
$412

American Airlines

Pick Dates

Deal found 1/28

Mar 14 - Mar 20
PWM

Portland

SFO

San Francisco

2 stops

12h 25m
SFO

San Francisco

PWM

Portland

2 stops

20h 52m
$444

American Airlines

Pick Dates

Deal found 1/28

Feb 6 - Mar 1
PWM

Portland

SFO

San Francisco

2 stops

12h 38m
SFO

San Francisco

PWM

Portland

1 stop

10h 42m
$554

American Airlines

Pick Dates

Deal found 1/28

Last minute flights from Portland to San Francisco

Late deals on return flights to San Francisco from Portland, departing today and this week
Feb 5 - Mar 1
PWM

Portland

SFO

San Francisco

1 stop

15h 37m
SFO

San Francisco

PWM

Portland

1 stop

9h 23m
$519

Multiple Airlines

Pick Dates

Deal found 1/28

Feb 5 - Mar 2
PWM

Portland

SFO

San Francisco

1 stop

9h 19m
SFO

San Francisco

PWM

Portland

1 stop

20h 44m
$530

Multiple Airlines

Pick Dates

Deal found 1/28

Feb 6 - Mar 1
PWM

Portland

SFO

San Francisco

2 stops

12h 38m
SFO

San Francisco

PWM

Portland

1 stop

10h 42m
$554

American Airlines

Pick Dates

Deal found 1/28

One-way flights to San Francisco from Portland

The cheapest one-way flights from Portland to San Francisco
Mar 14
PWM

Portland

SFO

San Francisco

1 stop

9h 18m
$187

Delta

Pick Dates

Deal found 1/29

Mar 9
PWM

Portland

SFO

San Francisco

1 stop

17h 22m
$218

United Airlines

Pick Dates

Deal found 1/29

Mar 14
PWM

Portland

SFO

San Francisco

2 stops

11h 27m
$221

American Airlines

Pick Dates

Deal found 1/29

Reviews of Airlines Servicing San Francisco

Delta
7.9
Good
2,024 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

McNamara Terminal for departures is absolutely amazing. The bathrooms are all clean and very modern. We were walking to our gate and there was somebody playing on a grand piano while people were sitting in their chairs waiting for the flights are OK. Multiple restaurants of good quality to dying or drink before your flight. The flight attendants were very polite and nice.

Delta
7.9
Good
2,024 reviews
Delta
7.9
Good
2,024 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

McNamara Terminal for departures is absolutely amazing. The bathrooms are all clean and very modern. We were walking to our gate and there was somebody playing on a grand piano while people were sitting in their chairs waiting for the flights are OK. Multiple restaurants of good quality to dying or drink before your flight. The flight attendants were very polite and nice.

JetBlue
7.7
Good
374 reviews
Delta
7.9
Good
2,024 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

McNamara Terminal for departures is absolutely amazing. The bathrooms are all clean and very modern. We were walking to our gate and there was somebody playing on a grand piano while people were sitting in their chairs waiting for the flights are OK. Multiple restaurants of good quality to dying or drink before your flight. The flight attendants were very polite and nice.

United Airlines
7.6
Good
1,165 reviews
Delta
7.9
Good
2,024 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

McNamara Terminal for departures is absolutely amazing. The bathrooms are all clean and very modern. We were walking to our gate and there was somebody playing on a grand piano while people were sitting in their chairs waiting for the flights are OK. Multiple restaurants of good quality to dying or drink before your flight. The flight attendants were very polite and nice.

Sun Country Air
7.6
Good
71 reviews
Delta
7.9
Good
2,024 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

McNamara Terminal for departures is absolutely amazing. The bathrooms are all clean and very modern. We were walking to our gate and there was somebody playing on a grand piano while people were sitting in their chairs waiting for the flights are OK. Multiple restaurants of good quality to dying or drink before your flight. The flight attendants were very polite and nice.

American Airlines
7.4
Good
1,667 reviews
Delta
7.9
Good
2,024 reviews

Entertainment

7.8

Overall

7.9

Comfort

7.9

Crew

8.5

Food

7.2

Boarding

8.0

Reviews

1 / 10

McNamara Terminal for departures is absolutely amazing. The bathrooms are all clean and very modern. We were walking to our gate and there was somebody playing on a grand piano while people were sitting in their chairs waiting for the flights are OK. Multiple restaurants of good quality to dying or drink before your flight. The flight attendants were very polite and nice.

Related info for your journey

Useful info, stats and facts about Portland to San Francisco flights.

Which airlines flying from Portland to San Francisco have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Delta, and American Airlines flying from Portland to San Francisco have implemented new flexible cancellation policies.

Can I find flights from Portland, Maine to San Francisco for under $400 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to San Francisco for under $400. The cheapest flight booked recently is on JetBlue for just $303, but on average you can expect to pay $375.

Are there last-minute flights available from Portland, Maine to San Francisco for under $600?

There are currently 20+ open flights from Portland, Maine to San Francisco within the next 7 days for less than $600.

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

JetBlue, at $303, was found to be the cheapest airline from Portland, Maine to San Francisco.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Users have found that JetBlue is 44% 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 Delta ($187), United Airlines ($218), and American Airlines ($221).

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

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

What are the cheapest flights from Portland, Maine to San Francisco?

Looking at all options, your cheapest flight can be booked for $108. While the most popular route (Portland - San Francisco) can be booked for $303 on average our data indicates $1,096 when flying from Portland, Maine to San Francisco.

Alternative routes for Portland to San Francisco

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Portland to San Francisco

The chart below displays the airlines Cheapflights users traveling from Portland to San Francisco choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Sun Country AirCheapest$202Average$499FlexibilityNo cancel feeOn-time83%COVID-19 safety
Search Sun Country Air flights
DeltaCheapest$202Average$453FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$256Average$545FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
United AirlinesCheapest$269Average$546FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights
JetBlueCheapest$323Average$631FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search JetBlue flights
Alaska AirlinesCheapest$471Average$654FlexibilityNo cancel feeOn-time75%COVID-19 safety
Search Alaska Airlines flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.