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Cheap flights from Portland, Maine to San Francisco from $148

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 9/16. 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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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
6:30 am - 12:35 pm
PWM
-
OAK
9h 05m
1 stop
Southwest Logo
11:55 pm - 12:50 pm
OAK
-
PWM
9h 55m
2 stops
$453Southwest
Thu, Oct 8 - Mon, Oct 12
Southwest Logo
6:30 am - 2:00 pm
PWM
-
OAK
10h 30m
2 stops
Southwest Logo
11:55 pm - 12:50 pm
OAK
-
PWM
9h 55m
2 stops
$468Southwest
Thu, Oct 8 - Mon, Oct 12
Southwest Logo
6:30 am - 12:35 pm
PWM
-
OAK
9h 05m
1 stop
Southwest Logo
5:45 am - 9:55 pm
OAK
-
PWM
13h 10m
1 stop
$469Southwest
Thu, Oct 8 - Mon, Oct 12
Southwest Logo
3:10 pm - 12:15 am
PWM
-
OAK
12h 05m
2 stops
Southwest Logo
11:55 pm - 12:20 pm
OAK
-
PWM
9h 25m
2 stops
$478Southwest
Fri, Jun 5 - Sun, Jun 7
Southwest Logo
1:00 pm - 8:35 pm
PWM
-
OAK
10h 35m
2 stops
Southwest Logo
11:55 pm - 2:10 pm
OAK
-
PWM
11h 15m
2 stops
$488Southwest
Wed, May 27 - Sun, May 31
Southwest Logo
1:00 pm - 8:35 pm
PWM
-
OAK
10h 35m
2 stops
Southwest Logo
10:20 am - 11:40 pm
OAK
-
PWM
10h 20m
2 stops
$508Southwest
Wed, Jun 3 - Sat, Jun 6
Southwest Logo
12:45 pm - 8:05 pm
PWM
-
OAK
10h 20m
2 stops
Southwest Logo
11:55 pm - 12:20 pm
OAK
-
PWM
9h 25m
2 stops
$524Southwest
Fri, May 22 - Tue, May 26
Southwest Logo
12:35 pm - 9:55 pm
PWM
-
OAK
12h 20m
2 stops
Southwest Logo
9:05 am - 11:10 pm
OAK
-
PWM
11h 05m
2 stops
$529Southwest
Sat, Jun 13 - Sun, Jun 14
Delta Logo
6:00 am - 11:54 pm
PWM
-
OAK
20h 54m
2 stops
Delta Logo
5:03 pm - 12:52 am
OAK
-
PWM
28h 49m
2 stops
$620Delta
Fri, Jun 26 - Mon, Jun 29
Southwest Logo
3:10 pm - 12:15 am
PWM
-
OAK
12h 05m
2 stops
Southwest Logo
9:45 am - 10:55 pm
OAK
-
PWM
10h 10m
2 stops
$630Southwest
Mon, Jun 22 - Tue, Jun 30

Southwest flights from Portland, Maine to Oakland, California

Our best Southwest deals on Portland, Maine to Oakland, California flight tickets
Southwest
Oct 8
PWM6:30 amPortland
9h 05m
1 stop
OAK12:35 pmOakland
Oct 12
OAK11:55 pmOakland
9h 55m
2 stops
PWM12:50 pmPortland
$453
Southwest
Oct 8
PWM6:30 amPortland
10h 30m
2 stops
OAK2:00 pmOakland
Oct 12
OAK11:55 pmOakland
9h 55m
2 stops
PWM12:50 pmPortland
$468
Southwest
Oct 8
PWM6:30 amPortland
9h 05m
1 stop
OAK12:35 pmOakland
Oct 12
OAK5:45 amOakland
13h 10m
1 stop
PWM9:55 pmPortland
$469

Delta flights from Portland, Maine to Oakland, California

Our best Delta deals on Portland, Maine to Oakland, California flight tickets
Delta
Jun 26
PWM6:00 amPortland
20h 54m
2 stops
OAK11:54 pmOakland
Jun 29
OAK5:03 pmOakland
28h 49m
2 stops
PWM12:52 amPortland
$620
Delta
Jun 26
PWM6:00 amPortland
32h 53m
2 stops
OAK11:53 amOakland
Jun 30
OAK5:03 pmOakland
28h 49m
2 stops
PWM12:52 amPortland
$670
Delta
Jun 26
PWM12:40 pmPortland
26h 13m
2 stops
OAK11:53 amOakland
Jun 29
OAK5:03 pmOakland
28h 49m
2 stops
PWM12:52 amPortland
$676

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 May 12, 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

Cheapest round-trip
Quickest round-trip

PortlandOakland

PWM - OAK

PWMOAK

Portland

Thu 10/8

6:30 am-12:35 pm

1 stop9h 05m

Oakland

Mon 10/12

11:55 pm-12:50 pm

2 stops9h 55m

$453

PortlandOakland

PWM - OAK

PWMOAK

Portland

Thu 10/8

6:30 am-2:00 pm

2 stops10h 30m

Oakland

Mon 10/12

11:55 pm-12:50 pm

2 stops9h 55m

$468

PortlandOakland

PWM - OAK

PWMOAK

Portland

Thu 10/8

6:30 am-12:35 pm

1 stop9h 05m

Oakland

Mon 10/12

5:45 am-9:55 pm

1 stop13h 10m

$469

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 6/5

3:10 pm-12:15 am

2 stops12h 05m

Oakland

Sun 6/7

11:55 pm-12:20 pm

2 stops9h 25m

$478

PortlandOakland

PWM - OAK

PWMOAK

Portland

Wed 5/27

1:00 pm-8:35 pm

2 stops10h 35m

Oakland

Sun 5/31

11:55 pm-2:10 pm

2 stops11h 15m

$488

PortlandOakland

PWM - OAK

PWMOAK

Portland

Wed 6/3

1:00 pm-8:35 pm

2 stops10h 35m

Oakland

Sat 6/6

10:20 am-11:40 pm

2 stops10h 20m

$508

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 5/22

12:45 pm-8:05 pm

2 stops10h 20m

Oakland

Tue 5/26

11:55 pm-12:20 pm

2 stops9h 25m

$524

PortlandOakland

PWM - OAK

PWMOAK

Portland

Sat 6/13

12:35 pm-9:55 pm

2 stops12h 20m

Oakland

Sun 6/14

9:05 am-11:10 pm

2 stops11h 05m

$529

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 6/26

6:00 am-11:54 pm

2 stops20h 54m

Oakland

Mon 6/29

5:03 pm-12:52 am

2 stops28h 49m

$620

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mon 6/22

3:10 pm-12:15 am

2 stops12h 05m

Oakland

Tue 6/30

9:45 am-10:55 pm

2 stops10h 10m

$630

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 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 5% 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 35m

Direct flights

None
The fastest flight from Portland, Maine to Oakland, California takes 10h 35m
There are no direct flights from Portland, Maine to Oakland, California. There are no popular flight routes from Portland, Maine to Oakland, California.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Oakland, California

  • 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 35m.

  • 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.

An easier way to manage your Oakland, California 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.
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