Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to San Francisco from $156

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 9/1. 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
1 adult, Economy, 0 bags

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
5:40 am - 2:55 pm
PWM
-
OAK
12h 15m
2 stops
Southwest Logo
8:10 am - 9:00 pm
OAK
-
PWM
9h 50m
2 stops
$311Southwest
Sat, Sep 5 - Sat, Sep 12
Southwest Logo
5:40 am - 2:55 pm
PWM
-
OAK
12h 15m
2 stops
Southwest Logo
5:15 am - 10:25 pm
OAK
-
PWM
14h 10m
1 stop
$364Southwest
Sat, Sep 26 - Sun, Oct 4
Southwest Logo
5:40 am - 2:55 pm
PWM
-
OAK
12h 15m
2 stops
Southwest Logo
10:30 am - 11:55 pm
OAK
-
PWM
10h 25m
2 stops
$432Southwest
Sat, Sep 26 - Sun, Oct 4
Southwest Logo
1:05 pm - 7:55 pm
PWM
-
OAK
9h 50m
2 stops
Southwest Logo
9:00 am - 10:05 pm
OAK
-
PWM
10h 05m
2 stops
$464Southwest
Wed, Jul 29 - Tue, Aug 4
Southwest Logo
5:55 am - 2:00 pm
PWM
-
OAK
11h 05m
2 stops
Southwest Logo
9:35 am - 10:25 pm
OAK
-
PWM
9h 50m
2 stops
$498Southwest
Fri, Aug 7 - Fri, Aug 14
Southwest Logo
5:55 am - 2:00 pm
PWM
-
OAK
11h 05m
2 stops
Southwest Logo
5:20 am - 9:30 pm
OAK
-
PWM
13h 10m
1 stop
$499Southwest
Fri, Aug 7 - Fri, Aug 14
Southwest Logo
10:25 am - 7:05 pm
PWM
-
OAK
11h 40m
2 stops
Southwest Logo
7:45 pm - 9:55 am
OAK
-
PWM
11h 10m
2 stops
$515Southwest
Mon, Jul 27 - Mon, Aug 3
Southwest Logo
3:20 pm - 12:20 am
PWM
-
OAK
12h 00m
2 stops
Southwest Logo
5:10 am - 10:15 pm
OAK
-
PWM
14h 05m
1 stop
$556Southwest
Mon, Jul 27 - Mon, Aug 3
Southwest Logo
1:05 pm - 7:55 pm
PWM
-
OAK
9h 50m
2 stops
Southwest Logo
10:35 am - 10:05 pm
OAK
-
PWM
8h 30m
1 stop
$583Southwest
Wed, Jul 29 - Tue, Aug 4
Delta Logo
11:50 am - 11:56 pm
PWM
-
OAK
15h 06m
2 stops
Delta Logo
6:00 am - 12:59 am
OAK
-
PWM
15h 59m
2 stops
$710Delta
Fri, Aug 7 - Thu, Aug 13

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Southwest flights from Portland, Maine to Oakland, California

Our best Southwest deals on Portland, Maine to Oakland, California flight tickets
Southwest
Sep 5
PWM5:40 amPortland
12h 15m
2 stops
OAK2:55 pmOakland
Sep 12
OAK8:10 amOakland
9h 50m
2 stops
PWM9:00 pmPortland
$311
Southwest
Sep 26
PWM5:40 amPortland
12h 15m
2 stops
OAK2:55 pmOakland
Oct 4
OAK5:15 amOakland
14h 10m
1 stop
PWM10:25 pmPortland
$364
Southwest
Sep 26
PWM5:40 amPortland
12h 15m
2 stops
OAK2:55 pmOakland
Oct 4
OAK10:30 amOakland
10h 25m
2 stops
PWM11:55 pmPortland
$432

Delta flights from Portland, Maine to Oakland, California

Our best Delta deals on Portland, Maine to Oakland, California flight tickets
Delta
Aug 7
PWM11:50 amPortland
15h 06m
2 stops
OAK11:56 pmOakland
Aug 13
OAK6:00 amOakland
15h 59m
2 stops
PWM12:59 amPortland
$710
Delta
Aug 6
PWM11:50 amPortland
15h 06m
2 stops
OAK11:56 pmOakland
Aug 13
OAK6:00 amOakland
15h 59m
2 stops
PWM12:59 amPortland
$800
Delta
Aug 6
PWM4:47 pmPortland
26h 27m
2 stops
OAK4:14 pmOakland
Aug 13
OAK6:00 amOakland
15h 59m
2 stops
PWM12:59 amPortland
$805

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 July 1, 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

PortlandOakland

PWM - OAK

PWMOAK

Portland

Sat 9/5

5:40 am-2:55 pm

2 stops12h 15m

Oakland

Sat 9/12

8:10 am-9:00 pm

2 stops9h 50m

$311

PortlandOakland

PWM - OAK

PWMOAK

Portland

Sat 9/26

5:40 am-2:55 pm

2 stops12h 15m

Oakland

Sun 10/4

5:15 am-10:25 pm

1 stop14h 10m

$364

PortlandOakland

PWM - OAK

PWMOAK

Portland

Sat 9/26

5:40 am-2:55 pm

2 stops12h 15m

Oakland

Sun 10/4

10:30 am-11:55 pm

2 stops10h 25m

$432

PortlandOakland

PWM - OAK

PWMOAK

Portland

Wed 7/29

1:05 pm-7:55 pm

2 stops9h 50m

Oakland

Tue 8/4

9:00 am-10:05 pm

2 stops10h 05m

$464

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 8/7

5:55 am-2:00 pm

2 stops11h 05m

Oakland

Fri 8/14

9:35 am-10:25 pm

2 stops9h 50m

$498

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 8/7

5:55 am-2:00 pm

2 stops11h 05m

Oakland

Fri 8/14

5:20 am-9:30 pm

1 stop13h 10m

$499

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mon 7/27

10:25 am-7:05 pm

2 stops11h 40m

Oakland

Mon 8/3

7:45 pm-9:55 am

2 stops11h 10m

$515

PortlandOakland

PWM - OAK

PWMOAK

Portland

Mon 7/27

3:20 pm-12:20 am

2 stops12h 00m

Oakland

Mon 8/3

5:10 am-10:15 pm

1 stop14h 05m

$556
Quickest round-trip

PortlandOakland

PWM - OAK

PWMOAK

Portland

Wed 7/29

1:05 pm-7:55 pm

2 stops9h 50m

Oakland

Tue 8/4

10:35 am-10:05 pm

1 stop8h 30m

$583

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 8/7

11:50 am-11:56 pm

2 stops15h 06m

Oakland

Thu 8/13

6:00 am-12:59 am

2 stops15h 59m

$710

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

9h 50m

Direct flights

None
The fastest flight from Portland, Maine to Oakland, California takes 9h 50m
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 9h 50m.

  • 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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Fri 7/31
Fri 8/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States