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Cheap flights from Portland, Maine to San Francisco from $154

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to San Francisco departing on 3/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland, Maine to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Southwest Logo
3:55 pm - 11:25 pm
PWM
-
OAK
10h 30m
2 stops
Southwest Logo
11:55 pm - 12:10 pm
OAK
-
PWM
9h 15m
2 stops
$401Southwest
Di, Apr 14 - So, Apr 19
Southwest Logo
5:30 am - 1:20 pm
PWM
-
OAK
10h 50m
2 stops
Southwest Logo
8:25 am - 11:25 pm
OAK
-
PWM
12h 00m
2 stops
$529Southwest
Do, Mai 21 - Mo, Mai 25
Southwest Logo
2:50 pm - 12:10 am
PWM
-
OAK
12h 20m
2 stops
Southwest Logo
9:25 am - 12:05 am
OAK
-
PWM
11h 40m
2 stops
$550Southwest
Mo, Mrz 9 - Fr, Mrz 20
Southwest Logo
1:00 pm - 9:25 pm
PWM
-
OAK
11h 25m
2 stops
Southwest Logo
6:00 pm - 10:55 am
OAK
-
PWM
13h 55m
2 stops
$566Southwest
Mo, Feb 23 - Fr, Feb 27
Southwest Logo
1:00 pm - 8:35 pm
PWM
-
OAK
10h 35m
2 stops
Southwest Logo
10:15 am - 11:10 pm
OAK
-
PWM
9h 55m
2 stops
$577Southwest
Mi, Mai 20 - So, Mai 24
Southwest Logo
12:45 pm - 8:05 pm
PWM
-
OAK
10h 20m
2 stops
Southwest Logo
8:00 am - 11:25 pm
OAK
-
PWM
12h 25m
2 stops
$769Southwest
Mo, Apr 20 - Fr, Apr 24

Southwest flights from Portland, Maine to Oakland, California

Our best Southwest deals on Portland, Maine to Oakland, California flight tickets
Southwest
Apr 14
PWM3:55 pmPortland
10h 30m
2 stops
OAK11:25 pmOakland
Apr 19
OAK11:55 pmOakland
9h 15m
2 stops
PWM12:10 pmPortland
$401
Southwest
May 21
PWM5:30 amPortland
10h 50m
2 stops
OAK1:20 pmOakland
May 25
OAK8:25 amOakland
12h 00m
2 stops
PWM11:25 pmPortland
$529
Southwest
Mar 9
PWM2:50 pmPortland
12h 20m
2 stops
OAK12:10 amOakland
Mar 20
OAK9:25 amOakland
11h 40m
2 stops
PWM12:05 amPortland
$550

Delta flights from Portland, Maine to Oakland, California

Our best Delta deals on Portland, Maine to Oakland, California flight tickets
Delta
Feb 16
PWM6:30 amPortland
20h 21m
2 stops
OAK11:51 pmOakland
Feb 23
OAK12:40 pmOakland
32h 38m
2 stops
PWM12:18 amPortland
$984
Delta
Feb 16
PWM6:30 amPortland
20h 21m
2 stops
OAK11:51 pmOakland
Feb 19
OAK4:59 pmOakland
28h 19m
2 stops
PWM12:18 amPortland
$1,075
Delta
Feb 16
PWM2:35 pmPortland
12h 16m
2 stops
OAK11:51 pmOakland
Feb 21
OAK5:55 amOakland
14h 11m
2 stops
PWM11:06 pmPortland
$2,711

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine to Oakland, California 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 Februar 9, 2026.
Use the filters below to find and compare flights from Portland, Maine to Oakland, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOakland

PWM - OAK

PWMOAK

Portland

Di 4/14

3:55 pm-11:25 pm

2 stops10h 30m

Oakland

So 4/19

11:55 pm-12:10 pm

2 stops9h 15m

$401

PortlandOakland

PWM - OAK

PWMOAK

Portland

Do 5/21

5:30 am-1:20 pm

2 stops10h 50m

Oakland

Mo 5/25

8:25 am-11:25 pm

2 stops12h 00m

$529

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mo 3/9

2:50 pm-12:10 am

2 stops12h 20m

Oakland

Fr 3/20

9:25 am-12:05 am

2 stops11h 40m

$550

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mo 2/23

1:00 pm-9:25 pm

2 stops11h 25m

Oakland

Fr 2/27

6:00 pm-10:55 am

2 stops13h 55m

$566

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mi 5/20

1:00 pm-8:35 pm

2 stops10h 35m

Oakland

So 5/24

10:15 am-11:10 pm

2 stops9h 55m

$577

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mo 4/20

12:45 pm-8:05 pm

2 stops10h 20m

Oakland

Fr 4/24

8:00 am-11:25 pm

2 stops12h 25m

$769

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mi 3/25

4:48 pm-11:46 pm

2 stops9h 58m

$154

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mi 3/25

12:30 pm-9:45 pm

2 stops12h 15m

$218

PortlandOakland

PWM - OAK

PWMOAK

Portland

Do 3/26

2:50 pm-12:10 am

2 stops12h 20m

$315

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mo 7/13

7:40 am-12:40 pm

1 stop8h 00m

$364

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to San Francisco from

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

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

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

You could potentially save up to 3% on your flight if you consider stops on a Portland, Maine to Oakland, California flight.

When to book flights from Portland, Maine to Oakland, California

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Oakland, California according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Oakland, California (PWM to OAK) flight deals and tips

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

Fastest flight time

10h 30m

Direct flights

None
The fastest flight from Portland, Maine to Oakland, California takes 10h 30m
There are no direct flights from Portland, Maine to Oakland, California. There are no popular flight routes from Portland, Maine to Oakland, California.
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  • How far is Portland to Oakland by plane?

    The straight-line distance from Portland to Oakland is 2706.4 mi. In terms of flight time, this usually takes a little over 10h 30m.

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

    Prices for flights from Portland Airport to Oakland Airport were last updated today.

  • How old do you have to be to fly from Portland Airport to Oakland 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 Portland Airport to Oakland Airport.

  • What documentation or ID do you need to fly to Oakland Airport?

    The necessary travel and health documents for your Oakland Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Oakland from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Oakland quick and easy, saving you time and money.

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

All flight searches from Portland to Oakland on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Portland and Oakland by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Oakland from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Mi 3/11
Mi 3/18
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