Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to San Francisco from $185

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 2/20. 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

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

Find the cheapest flights from Portland, Maine to San Francisco

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
12:50 pm - 11:46 pm
PWM
-
OAK
13h 56m2 stops
Delta Logo
5:55 am - 10:03 pm
OAK
-
PWM
13h 08m2 stops
$928Delta
Wed, Apr 1 - Mon, Apr 13
Delta Logo
12:50 pm - 11:49 pm
PWM
-
OAK
13h 59m2 stops
Delta Logo
5:55 am - 10:03 pm
OAK
-
PWM
13h 08m2 stops
$1,247Delta
Thu, Apr 16 - Tue, Apr 21
Delta Logo
5:30 am - 4:14 pm
PWM
-
OAK
13h 44m2 stops
Delta Logo
5:55 am - 10:27 pm
OAK
-
PWM
13h 32m2 stops
$1,620Delta
Tue, Jan 13 - Tue, Jan 20

Delta flights from Portland, Maine to Oakland, California

Our best Delta deals on Portland, Maine to Oakland, California flight tickets
Delta
Apr 1
PWM12:50 pmPortland
13h 56m
2 stops
OAK11:46 pmOakland
Apr 13
OAK5:55 amOakland
13h 08m
2 stops
PWM10:03 pmPortland
$928
Find similar
Delta
Apr 16
PWM12:50 pmPortland
13h 59m
2 stops
OAK11:49 pmOakland
Apr 21
OAK5:55 amOakland
13h 08m
2 stops
PWM10:03 pmPortland
$1,247
Find similar
Delta
Jan 13
PWM5:30 amPortland
13h 44m
2 stops
OAK4:14 pmOakland
Jan 20
OAK5:55 amOakland
13h 32m
2 stops
PWM10:27 pmPortland
$1,620
Find similar

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 December 18, 2025.
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

Wed 4/1

12:50 pm-11:46 pm

2 stops13h 56m

Oakland

Mon 4/13

5:55 am-10:03 pm

2 stops13h 08m

$928

PortlandOakland

PWM - OAK

PWMOAK

Portland

Thu 4/16

12:50 pm-11:49 pm

2 stops13h 59m

Oakland

Tue 4/21

5:55 am-10:03 pm

2 stops13h 08m

$1,247

PortlandOakland

PWM - OAK

PWMOAK

Portland

Tue 1/13

5:30 am-4:14 pm

2 stops13h 44m

Oakland

Tue 1/20

5:55 am-10:27 pm

2 stops13h 32m

$1,620

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 2/20

2:25 pm-12:10 am

2 stops12h 45m

$185

PortlandOakland

PWM - OAK

PWMOAK

Portland

Wed 1/14

5:30 am-4:14 pm

2 stops13h 44m

$315

PortlandOakland

PWM - OAK

PWMOAK

Portland

Fri 2/20

9:47 am-11:45 am

3 stops28h 58m

$636

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

What is the cheapest day to depart on your flight to Oakland, California?

According to our data, Thursday is the cheapest day to fly to Oakland, California from Portland, Maine. The lowest ticket price found for a Thursday departure recently was $363. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Oakland, California for around $531.

What is the cheapest time of day to depart on your flight to Oakland, California?

At noon is the cheapest time of day to fly from Portland, Maine to Oakland, California when you can find flight prices for as low as $385. Flying to Oakland, California at noon is an ideal time because this is during off-peak travel hours. Flights in the evening are often more expensive with an average ticket price of $461.

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

11h 50m

Direct flights

None
The fastest flight from Portland, Maine to Oakland, California takes 11h 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

  • 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 11h 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
Sat 1/17
Sat 1/24
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States