How long does it take to fly to Portland, Maine?

The flight from California to Portland, Maine depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from San Diego (a popular airport in California) to Boston (the most popular airport in Portland, Maine), then the flight time is 5h 13m on average. If you fly from Los Angeles (another popular airport in California) to Boston, then the average flight time is 5h 21m.

How many flights depart from California to Portland, Maine on average per week?

As of September 2025, there are 3 flights per week flying from California to Portland, Maine. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.

What airlines fly to Portland, Maine?

JetBlue, Delta and United Airlines are the top three most popular airlines that fly to Portland, Maine from California according to our data. JetBlue is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Portland, Maine. Keep in mind that there are 10 different airlines that fly to Portland, Maine on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from California to Portland?

American Airlines, Southwest, and United Airlines are the most popular carriers operating from California to Portland

When did momondo last update prices for flights from California to Portland Airport?

Prices for flights from California to Portland Airport are refreshed on a daily basis.

How many operators does momondo search for flights from California to Portland Airport?

As of September 2025, there are 6 operators available to choose from for flights from California to Portland Airport.

How old do you have to be to fly from California to Portland Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Portland Airport.

What documentation or ID do you need to fly to Portland Airport?

The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$119 Cheap Flights from California to Portland in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from California to Portland

Round-trip

One-way

Last minute

Cheap round-trip flights

5:05 am - 3:48 pmONT-PWM

7h 43m1 stop

4:51 pm - 10:31 pmPWM-ONT

8h 40m1 stop

$251United Airlines

Find Deal

Wed, Nov 12 - Sat, Nov 15

5:05 am - 3:48 pmONT-PWM

7h 43m1 stop

9:45 am - 8:44 pmPWM-ONT

13h 59m2 stops

$256United Airlines

Find Deal

Wed, Nov 12 - Sat, Nov 15

7:00 am - 9:21 pmSFO-PWM

11h 21m2 stops

3:38 pm - 9:56 pmPWM-SFO

9h 18m1 stop

$274American Airlines

Find Deal

Sat, Oct 18 - Fri, Oct 24

12:45 am - 10:40 amSFO-PWM

6h 55m1 stop

6:00 am - 12:20 pmPWM-SFO

9h 20m1 stop

$282Delta

Find Deal

Sat, Oct 4 - Sat, Nov 15

12:45 am - 12:32 pmLAS-PWM

8h 47m1 stop

4:48 pm - 9:36 pmPWM-LAS

7h 48m1 stop

$283Delta

Find Deal

Fri, Oct 24 - Sat, Nov 1

6:10 am - 9:35 pmONT-PWM

12h 25m2 stops

7:02 am - 6:20 pmPWM-ONT

14h 18m2 stops

$287American Airlines

Find Deal

Wed, Nov 12 - Sat, Nov 15

8:00 am - 10:25 pmLAS-PWM

11h 25m2 stops

3:20 pm - 9:20 pmPWM-LAS

9h 00m1 stop

$288Southwest

Find Deal

Sat, Oct 25 - Sat, Nov 1

8:53 am - 2:30 pmLAS-PWM

26h 37m1 stop

3:15 pm - 12:20 amPWM-LAS

12h 05m1 stop

$310

Find Deal

Wed, Oct 29 - Thu, Nov 6

11:55 am - 10:15 pmSMF-PWM

7h 20m1 stop

5:30 am - 12:00 pmPWM-SMF

9h 30m1 stop

$317Southwest

Find Deal

Wed, Dec 10 - Mon, Dec 15

11:02 pm - 5:25 pmLAS-PWM

39h 23m2 stops

3:15 pm - 12:20 amPWM-LAS

12h 05m1 stop

$332

Find Deal

Wed, Oct 29 - Thu, Nov 6

United Airlines flights from California to Portland, Maine

Our best United Airlines deals on California to Portland, Maine flight tickets

United Airlines

Nov 12

ONT5:05 amOntario

7h 43m

1 stop

PWM3:48 pmPortland

Nov 15

PWM4:51 pmPortland

8h 40m

1 stop

ONT10:31 pmOntario

$251

Find similar

United Airlines

Nov 12

ONT5:05 amOntario

7h 43m

1 stop

PWM3:48 pmPortland

Nov 15

PWM9:45 amPortland

13h 59m

2 stops

ONT8:44 pmOntario

$256

Find similar

United Airlines

Oct 18

SFO6:00 amSan Francisco

9h 38m

1 stop

PWM6:38 pmPortland

Oct 24

PWM4:57 pmPortland

8h 34m

1 stop

SFO10:31 pmSan Francisco

$269

Find similar

American Airlines flights from California to Portland, Maine

Our best American Airlines deals on California to Portland, Maine flight tickets

American Airlines

Oct 18

SFO7:00 amSan Francisco

11h 21m

2 stops

PWM9:21 pmPortland

Oct 24

PWM3:38 pmPortland

9h 18m

1 stop

SFO9:56 pmSan Francisco

$274

Find similar

American Airlines

Nov 12

ONT6:10 amOntario

12h 25m

2 stops

PWM9:35 pmPortland

Nov 15

PWM7:02 amPortland

14h 18m

2 stops

ONT6:20 pmOntario

$287

Find similar

American Airlines

Oct 14

LAX11:59 pmLos Angeles

9h 36m

2 stops

PWM12:35 pmPortland

Oct 21

PWM7:44 amPortland

8h 56m

1 stop

LAX1:40 pmLos Angeles

$289

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from California to Portland, Maine that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Wed 11/12

5:05 am-3:48 pm

1 stop7h 43m

Portland

Sat 11/15

4:51 pm-10:31 pm

1 stop8h 40m

$251

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Wed 11/12

5:05 am-3:48 pm

1 stop7h 43m

Portland

Sat 11/15

9:45 am-8:44 pm

2 stops13h 59m

$256

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sat 10/18

7:00 am-9:21 pm

2 stops11h 21m

Portland

Fri 10/24

3:38 pm-9:56 pm

1 stop9h 18m

$274

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sat 10/4

12:45 am-10:40 am

1 stop6h 55m

Portland

Sat 11/15

6:00 am-12:20 pm

1 stop9h 20m

$282

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Fri 10/24

12:45 am-12:32 pm

1 stop8h 47m

Portland

Sat 11/1

4:48 pm-9:36 pm

1 stop7h 48m

$283

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Wed 11/12

6:10 am-9:35 pm

2 stops12h 25m

Portland

Sat 11/15

7:02 am-6:20 pm

2 stops14h 18m

$287

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Sat 10/25

8:00 am-10:25 pm

2 stops11h 25m

Portland

Sat 11/1

3:20 pm-9:20 pm

1 stop9h 00m

$288

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/29

8:53 am-2:30 pm

1 stop26h 37m

Portland

Thu 11/6

3:15 pm-12:20 am

1 stop12h 05m

$310

SacramentoPortland

SMF - PWM

SMFPWM

Sacramento Intl

Wed 12/10

11:55 am-10:15 pm

1 stop7h 20m

Portland

Mon 12/15

5:30 am-12:00 pm

1 stop9h 30m

$317

Las VegasPortland

LAS - PWM

LASPWM

Las Vegas Harry Reid Intl

Wed 10/29

11:02 pm-5:25 pm

2 stops39h 23m

Portland

Thu 11/6

3:15 pm-12:20 am

1 stop12h 05m

$332

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from California to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Portland, Maine?

The cheapest month to fly to Portland, Maine from California is in January. Flight prices, which tend to average around $358, are often lower during this time because this is during the off-season. If you aren’t able to travel to Portland, Maine during the month of January, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $364.

What is the cheapest day to depart on your flight to Portland, Maine?

On average, the least expensive day to fly to Portland, Maine from California is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $432. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from California because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $563.

What is the cheapest time of day to depart on your flight to Portland, Maine?

In the evening is the cheapest time of day to fly from California to Portland, Maine when you can find flight prices for as low as $468. Flying to Portland, Maine in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets at noon because they tend to be around $510. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Portland, Maine from California when booking weeks ahead of your departure date. In general, you can expect to find flights to Portland, Maine for around $456 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portland, Maine from California for as low as $365 on momondo.

Can stopping save me money on California to Portland, Maine flights?

You could potentially save up to 51% on your flight if you consider stops on a California to Portland, Maine flight.

Cheap California to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Portland, Maine

Direct flights	None

There are no direct flights from California to Portland, Maine. There are no popular flight routes from California to Portland, Maine.

Search flight deals

When did momondo last update prices for flights from California to Portland Airport?
Prices for flights from California to Portland Airport are refreshed on a daily basis.
How many operators does momondo search for flights from California to Portland Airport?
As of September 2025, there are 6 operators available to choose from for flights from California to Portland Airport.
How old do you have to be to fly from California to Portland Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from California to Portland Airport.
What documentation or ID do you need to fly to Portland Airport?
The required travel and health documents for your Portland Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Portland Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from California to Portland, Maine

Compare and see reviews for airlines that fly from California to Portland, Maine with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $164	Free Cancellation	Rating 7.9 7,954 reviews	Search Delta flights
Sun Country Air	PriceFrom $166	Free Cancellation	Rating 6.9 330 reviews	Search Sun Country Air flights
JetBlue	PriceFrom $166	Free Cancellation	Rating 7.2 2,912 reviews	Search JetBlue flights
Southwest	PriceFrom $190	Free Cancellation	Rating 8.0 4,242 reviews	Search Southwest flights
American Airlines	PriceFrom $235	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
United Airlines	PriceFrom $261	Free Cancellation	Rating 7.4 8,929 reviews	Search United Airlines flights

North Conway

Boothbay Harbor

Jackson

Conway

Freeport

Lewiston

Bartlett

Brunswick

Gorham

Auburn

Intervale

Windham

Bath

Oxford

Georgetown

Tamworth

Falmouth

Why use momondo?

Why should I use momondo to find a flight deal from California to Portland?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from California to Portland. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from California to Portland with flexible booking policies on momondo?

momondo does allow users to show only those flights to Portland from California which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from California to Portland?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from California to Portland.

I’m not ready to book a flight from California to Portland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for California to Portland flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 10/15

Wed 10/22

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States

Cheap flights from California to Portland from $119

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to Portland departing on 10/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from California to Portland

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from California to Portland, Maine

Our best United Airlines deals on California to Portland, Maine flight tickets

American Airlines flights from California to Portland, Maine

Our best American Airlines deals on California to Portland, Maine flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from California to Portland, Maine that are best for you.

See travel insights to Portland from

How to get the cheapest flight ticket from California to Portland, Maine

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Portland, Maine?

What is the cheapest day to depart on your flight to Portland, Maine?

What is the cheapest time of day to depart on your flight to Portland, Maine?

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

Can stopping save me money on California to Portland, Maine flights?

You could potentially save up to 51% on your flight if you consider stops on a California to Portland, Maine flight.

What is the cheapest airline that flies from California to Portland?

American Airlines, Southwest, and United Airlines are the most popular carriers operating from California to Portland

What airlines fly to Portland, Maine?

How many flights depart from California to Portland, Maine on average per week?

As of September 2025, there are 3 flights per week flying from California to Portland, Maine. The most common day of the week flights depart is Mon, with 33% of flights taking off on this day.

How long does it take to fly to Portland, Maine?

Cheap California to Portland, Maine flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from California to Portland, Maine

Direct flights

When did momondo last update prices for flights from California to Portland Airport?

How many operators does momondo search for flights from California to Portland Airport?

How old do you have to be to fly from California to Portland Airport?

What documentation or ID do you need to fly to Portland Airport?

Best airlines flying from California to Portland, Maine

Compare and see reviews for airlines that fly from California to Portland, Maine with momondo

Traveling to a place near Portland?

Why use momondo?

Why should I use momondo to find a flight deal from California to Portland?

Can I find flights from California to Portland with flexible booking policies on momondo?

How can momondo help me find flights from California to Portland?

I’m not ready to book a flight from California to Portland right now. Can momondo alert me if prices change?

An easier way to manage your Portland, Maine trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Maine