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Cheap flights from California to Boston from $126

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 Boston departing on 2/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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United Airlines Logo
9:30 pm - 9:01 am
LAX
-
PWM
8h 31m1 stop
United Airlines Logo
2:31 pm - 8:44 pm
PWM
-
LAX
9h 13m1 stop
$251United Airlines
Sat, Jan 10 - Sat, Jan 24
United Airlines Logo
9:30 pm - 9:01 am
SFO
-
PWM
8h 31m1 stop
United Airlines Logo
11:12 am - 6:13 pm
PWM
-
SFO
10h 01m1 stop
$251United Airlines
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
11:59 pm - 12:05 pm
LAX
-
PWM
9h 06m2 stops
American Airlines Logo
7:00 am - 2:41 pm
PWM
-
LAX
10h 41m1 stop
$256American Airlines
Sat, Jan 10 - Sat, Jan 24
American Airlines Logo
9:10 am - 11:43 pm
SFO
-
PWM
11h 33m2 stops
American Airlines Logo
7:00 am - 1:50 pm
PWM
-
SFO
9h 50m1 stop
$256American Airlines
Wed, Jan 14 - Wed, Jan 21
United Airlines Logo
7:30 am - 11:30 pm
SMF
-
PWM
13h 00m2 stops
United Airlines Logo
2:31 pm - 8:50 pm
PWM
-
SMF
9h 19m1 stop
$256United Airlines
Wed, Jan 14 - Wed, Jan 21
American Airlines Logo
11:59 pm - 12:05 pm
LAX
-
PWM
9h 06m2 stops
American Airlines Logo
12:45 pm - 9:10 pm
PWM
-
LAX
11h 25m2 stops
$261American Airlines
Sat, Jan 10 - Sat, Jan 24
Delta Logo
5:45 am - 10:27 pm
SFO
-
PWM
13h 42m2 stops
Delta Logo
12:20 pm - 6:38 pm
PWM
-
SFO
9h 18m1 stop
$292Delta
Thu, Jan 22 - Fri, Jan 23
Delta Logo
5:45 am - 10:27 pm
SFO
-
PWM
13h 42m2 stops
Delta Logo
12:43 pm - 11:25 pm
PWM
-
SFO
13h 42m2 stops
$297Delta
Thu, Jan 22 - Fri, Jan 23
Southwest Logo
11:15 am - 10:00 pm
SMF
-
PWM
7h 45m1 stop
Southwest Logo
5:35 am - 3:50 pm
PWM
-
SMF
13h 15m1 stop
$398Southwest
Sat, Jan 17 - Mon, Jan 19
Southwest Logo
11:55 pm - 12:20 pm
ONT
-
PWM
9h 25m2 stops
Southwest Logo
3:10 pm - 10:25 pm
PWM
-
ONT
10h 15m1 stop
$488Southwest
Sun, Jun 7 - Fri, Jun 12

United Airlines flights from California to Portland, Maine

Our best United Airlines deals on California to Portland, Maine flight tickets
United Airlines
Jan 10
LAX9:30 pmLos Angeles
8h 31m
1 stop
PWM9:01 amPortland
Jan 24
PWM2:31 pmPortland
9h 13m
1 stop
LAX8:44 pmLos Angeles
$251
Find similar
United Airlines
Jan 14
SMF7:30 amSacramento Intl
13h 00m
2 stops
PWM11:30 pmPortland
Jan 21
PWM2:31 pmPortland
9h 19m
1 stop
SMF8:50 pmSacramento Intl
$256
Find similar
United Airlines
Jan 24
LAX9:30 pmLos Angeles
8h 31m
1 stop
PWM9:01 amPortland
Jan 29
PWM3:12 pmPortland
8h 58m
1 stop
LAX9:10 pmLos Angeles
$274
Find similar

American Airlines flights from California to Portland, Maine

Our best American Airlines deals on California to Portland, Maine flight tickets
American Airlines
Jan 10
LAX11:59 pmLos Angeles
9h 06m
2 stops
PWM12:05 pmPortland
Jan 24
PWM12:46 pmPortland
10h 20m
1 stop
LAX8:06 pmLos Angeles
$256
Find similar
American Airlines
Jan 10
LAX11:59 pmLos Angeles
9h 06m
2 stops
PWM12:05 pmPortland
Jan 24
PWM12:45 pmPortland
11h 25m
2 stops
LAX9:10 pmLos Angeles
$261
Find similar
American Airlines
Feb 3
SFO11:13 pmSan Francisco
9h 52m
1 stop
PWM12:05 pmPortland
Feb 8
PWM12:40 pmPortland
12h 33m
1 stop
SFO10:13 pmSan Francisco
$269
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from California to Portland, Maine 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, momondo users made 832,500 searches. Data last updated December 18, 2025.
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

Los AngelesPortland

LAX - PWM

LAXPWM

Los Angeles

Sat 1/10

9:30 pm-9:01 am

1 stop8h 31m

Portland

Sat 1/24

2:31 pm-8:44 pm

1 stop9h 13m

$251

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Sat 1/24

9:30 pm-9:01 am

1 stop8h 31m

Portland

Wed 1/28

11:12 am-6:13 pm

1 stop10h 01m

$251

Los AngelesPortland

LAX - PWM

LAXPWM

Los Angeles

Sat 1/10

11:59 pm-12:05 pm

2 stops9h 06m

Portland

Sat 1/24

7:00 am-2:41 pm

1 stop10h 41m

$256

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Wed 1/14

9:10 am-11:43 pm

2 stops11h 33m

Portland

Wed 1/21

7:00 am-1:50 pm

1 stop9h 50m

$256

SacramentoPortland

SMF - PWM

SMFPWM

Sacramento Intl

Wed 1/14

7:30 am-11:30 pm

2 stops13h 00m

Portland

Wed 1/21

2:31 pm-8:50 pm

1 stop9h 19m

$256

Los AngelesPortland

LAX - PWM

LAXPWM

Los Angeles

Sat 1/10

11:59 pm-12:05 pm

2 stops9h 06m

Portland

Sat 1/24

12:45 pm-9:10 pm

2 stops11h 25m

$261

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Thu 1/22

5:45 am-10:27 pm

2 stops13h 42m

Portland

Fri 1/23

12:20 pm-6:38 pm

1 stop9h 18m

$292

San FranciscoPortland

SFO - PWM

SFOPWM

San Francisco

Thu 1/22

5:45 am-10:27 pm

2 stops13h 42m

Portland

Fri 1/23

12:43 pm-11:25 pm

2 stops13h 42m

$297

SacramentoPortland

SMF - PWM

SMFPWM

Sacramento Intl

Sat 1/17

11:15 am-10:00 pm

1 stop7h 45m

Portland

Mon 1/19

5:35 am-3:50 pm

1 stop13h 15m

$398

OntarioPortland

ONT - PWM

ONTPWM

Ontario

Sun 6/7

11:55 pm-12:20 pm

2 stops9h 25m

Portland

Fri 6/12

3:10 pm-10:25 pm

1 stop10h 15m

$488

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boston 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?

The cheapest month to fly to Portland, Maine from California is in September. Flight prices, which tend to average around $364, 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 September, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $383.

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 $353 on momondo.

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

You could potentially save up to 59% 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

Fastest flight time

6h 49m

Direct flights

None
The fastest flight from California to Portland, Maine takes 6h 49m
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?

  • 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
DeltaPriceFrom $148Free CancellationRating
7.9
8,006 reviews
Search Delta flights
Sun Country AirPriceFrom $166Free CancellationRating
6.9
333 reviews
Search Sun Country Air flights
SouthwestPriceFrom $190Free CancellationRating
7.9
4,249 reviews
Search Southwest flights
American AirlinesPriceFrom $244Free CancellationRating
7.2
11,053 reviews
Search American Airlines flights
United AirlinesPriceFrom $256Free CancellationRating
7.4
9,092 reviews
Search United Airlines flights
JetBluePriceFrom $270Free CancellationRating
7.2
2,895 reviews
Search JetBlue flights

Traveling to a place near Boston?

Book flights to Boston if you plan to visit one of these locations
North Conway
Boothbay Harbor
Jackson
Conway
Freeport
Lewiston
Bartlett
Brunswick
Auburn
Gorham
Windham
Intervale
Oxford
Bath
Georgetown
Falmouth
Tamworth

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
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