HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Portland

$225+ Cheap flights from Oakland, CA to Portland, ME (OAK - PWM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — PWM
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oakland to Portland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Oakland to Portland

Cheapest flights from Oakland to Portland
Explore the most affordable flight options available from Oakland to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.

This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/38:50 am
OAK
-
PWM
2 stops10h 45m
Southwest
Fri 6/53:10 pm
PWM
-
OAK
2 stops12h 05m
Southwest
Deal found 4/2$398
This Southwest deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/311:55 pm
OAK
-
PWM
1 stop8h 00m
Southwest
Fri 7/1010:25 am
PWM
-
OAK
2 stops11h 40m
Southwest
Deal found 3/31$444
This Southwest deal was found by Cheapflights users on 4/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/179:15 am
OAK
-
PWM
2 stops11h 10m
Southwest
Tue 4/211:00 pm
PWM
-
OAK
2 stops10h 35m
Southwest
Deal found 4/2$464
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:04 pm
OAK
-
PWM
2 stops28h 42m
Delta
Wed 4/225:21 am
PWM
-
OAK
2 stops14h 03m
Delta
Deal found 3/28$478
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/205:55 am
OAK
-
PWM
2 stops31h 02m
Delta
Wed 4/225:21 am
PWM
-
OAK
2 stops14h 03m
Delta
Deal found 3/28$480
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:04 pm
OAK
-
PWM
2 stops18h 07m
Delta
Thu 4/234:43 pm
PWM
-
OAK
2 stops10h 11m
Delta
Deal found 3/28$485
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:04 pm
OAK
-
PWM
2 stops28h 42m
Delta
Wed 4/225:21 am
PWM
-
OAK
2 stops14h 03m
Delta
Deal found 3/28$489
This Delta deal was found by Cheapflights users on 3/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/165:55 am
OAK
-
PWM
2 stops15h 51m
Delta
Thu 4/234:43 pm
PWM
-
OAK
2 stops10h 11m
Delta
Deal found 3/28$496
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:34 pm
OAK
-
PWM
2 stops33h 12m
Delta
Sat 4/2512:46 pm
PWM
-
OAK
2 stops11h 55m
Delta
Deal found 4/1$499
This Delta deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:34 pm
OAK
-
PWM
2 stops33h 12m
Delta
Thu 4/234:43 pm
PWM
-
OAK
2 stops10h 11m
Delta
Deal found 4/1$506

Find flight deals from Oakland to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Portland (PWM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$398
(Southwest)

One-way from

$225
(Southwest)

Popular in

December

Cheapest in

January

Average price

$579
Provider with most accurate pricing for Oakland-Portland flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oakland-Portland flights.
Search Deals
From Oakland to Portland
Search Deals
One-way flight from Oakland to Portland
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($90 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($27 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Portland 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, Cheapflights users made 2,558,603 searches. Data last updated April 3, 2026.
Use the filters below to find and compare flights from Oakland to Portland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Wed 6/3

8:50 am-10:35 pm

2 stops10h 45m

Portland

Fri 6/5

3:10 pm-12:15 am

2 stops12h 05m

$398

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Fri 7/3

11:55 pm-10:55 am

1 stop8h 00m

Portland

Fri 7/10

10:25 am-7:05 pm

2 stops11h 40m

$444

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Mon 4/20

5:04 pm-2:11 pm

2 stops18h 07m

Portland

Sat 4/25

12:46 pm-9:41 pm

2 stops11h 55m

$478
Quickest round-trip

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Wed 7/22

9:45 am-10:55 pm

2 stops10h 10m

Portland

Mon 7/27

7:40 am-12:40 pm

1 stop8h 00m

$549

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Fri 8/14

5:20 am-9:30 pm

1 stop13h 10m

Portland

Mon 8/17

7:40 am-12:40 pm

1 stop8h 00m

$568

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Mon 7/13

5:10 am-10:10 pm

1 stop14h 00m

Portland

Sat 7/18

5:35 am-3:50 pm

2 stops13h 15m

$597

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Mon 4/13

5:04 pm-12:46 am

2 stops28h 42m

Portland

Tue 4/21

2:51 pm-4:24 pm

2 stops28h 33m

$660

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Fri 8/7

9:15 am-10:25 pm

2 stops10h 10m

Portland

Mon 8/10

5:55 am-1:45 pm

2 stops10h 50m

$678

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Sat 4/18

5:55 am-12:46 am

2 stops15h 51m

Portland

Mon 4/27

4:43 pm-11:54 pm

2 stops10h 11m

$680
Cheapest one-way

OaklandPortland

OAK - PWM

OAKPWM

Oakland

Wed 7/22

9:45 am-10:55 pm

2 stops10h 10m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/31

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from Oakland to Portland

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Oakland to Portland in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Oakland, California-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Oakland, California-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Oakland, California-Portland, Maine flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Portland, Maine flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Portland, Maine flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oakland to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Oakland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Oakland to Portland

What is the cheapest month to book a flight from Oakland, California to Portland, Maine?

Currently, December is the cheapest month in which you can book a flight from Oakland, California to Portland, Maine (average of $118). Flying from Oakland, California to Portland, Maine in June is currently the most expensive (average of $197). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Oakland, California to Portland, Maine?

    A quick flight from Oakland, California to Portland, Maine can take about 10h 45m. Southwest provides one of the quickest options available for as low as $398. The distance between Oakland, California and Portland, Maine is about 2704 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Oakland to Portland that include hotel bookings?

    Yes. In addition to deals on Oakland to Portland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Portland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Portland.

  • Can I find deals for business class flights from Oakland to Portland?

    Yes. Cheapflights offers flight deals from Oakland to Portland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Oakland, California to Portland, Maine?

    Currently, December is the cheapest month in which you can book a flight from Oakland, California to Portland, Maine (average of $118). Flying from Oakland, California to Portland, Maine in June is currently the most expensive (average of $197). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
North Conway
Brunswick
Auburn
Lewiston
Conway

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.