$109+ Cheap flights from San Francisco to Portland, ME (SFO - 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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Francisco 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.Cheapflights Tip: The best prices from San Francisco to Portland are usually found in January or September, booked 52 days in advance, depart on a Tuesday or Wednesday and return on a Friday
Cheap flight deals from San Francisco to Portland
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) 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 30, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $221 (CheapOair) |
One-way from | $109 (American Airlines) |
Popular in | March |
Cheapest in | January |
Average price | $575 |
Find flight deals from San Francisco to Portland
Cheapest flights from San Francisco to PortlandExplore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
Explore the most affordable flight options available from San Francisco to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
This CheapOair deal was found by Cheapflights users on 4/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 4/29. 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.
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Southwest deal was found by Cheapflights users on 4/29. 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.
This Alaska Airlines deal was found by Cheapflights users on 4/29. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Sun Country Air deal was found by Cheapflights users on 4/29. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco 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 30, 2025.
Use the filters below to find and compare flights from San Francisco to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Sun 8/31
5:15 am-5:02 pm
1 stop8h 47m
Portland
Sat 9/13
5:18 pm-10:40 pm
1 stop8h 22m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Wed 5/14
9:59 pm-8:29 pm
1 stop19h 30m
Portland
Sun 5/18
8:23 pm-1:15 pm
1 stop19h 52m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Tue 8/12
1:12 pm-11:59 pm
1 stop7h 47m
Portland
Tue 8/26
3:06 pm-8:57 pm
1 stop8h 51m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Mon 8/25
12:40 am-10:56 am
1 stop7h 16m
Portland
Wed 9/17
4:55 pm-10:44 pm
1 stop8h 49m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Sat 10/11
10:30 pm-1:16 pm
1 stop11h 46m
Portland
Sat 10/18
2:15 pm-11:32 pm
1 stop12h 17m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Sat 8/9
4:45 pm-9:40 am
2 stops13h 55m
Portland
Mon 8/18
10:35 am-7:50 pm
2 stops12h 15m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Wed 8/27
8:45 am-11:47 pm
2 stops12h 02m
Portland
Tue 9/16
2:07 pm-9:50 pm
1 stop10h 43m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Thu 6/26
11:59 pm-11:39 am
1 stop8h 40m
Portland
Sun 6/29
12:40 pm-8:08 am
1 stop22h 28m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Wed 5/28
11:52 am-10:45 pm
1 stop7h 53m
San FranciscoPortland
SFO - PWM
SFOPWM
San Francisco
Fri 5/16
9:59 pm-6:26 pm
1 stop17h 27m
Compare providers for flights from San Francisco 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 San Francisco to Portland in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Portland, Maine flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on San Francisco-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Francisco-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Portland, Maine flights, Cheapflights users trust eDreams the most. eDreams 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 San Francisco-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 San Francisco to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from San Francisco with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Portland
How far ahead should I book a flight from San Francisco to Portland, Maine?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Portland. Price data was last updated on April 25, 2025.
The price you pay for your flight from San Francisco to Portland, Maine may vary depending on when you book. For the best chance of a lower fare, look to book 52 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
What is the cheapest month to book a flight from San Francisco to Portland, Maine?
Currently, January is the cheapest month in which you can book a flight from San Francisco to Portland, Maine (average of $296). Flying from San Francisco to Portland, Maine in May is currently the most expensive (average of $405). 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.
What is the cheapest time of day to fly from SFO to PWM?
Find hourly flight availability from San Francisco to Portland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 30, 2025.
It’s optimal to fly from San Francisco to Portland, Maine in the afternoon. By choosing this option you can save up to 28% on the cost of your flight, compared to a flight at noon.
Rainfall in Portland by month
Plan your trip to Portland by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Portland, Maine ranges from 2.9 - 4.5 inches per month. November is typically the wettest month, when rainfall can reach 4.5 in. August is typically the driest time to visit Portland, Maine when rainfall is around 2.9 in.
Temperature in Portland by month
Plan your trip to Portland by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Portland, Maine, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).
Reviews of airlines servicing Portland
Get insights into the airlines that provide service to Portland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portland. Reviews last updated April 30, 2025.
To help decide which airline to fly from San Francisco to Portland, see what other customers have to say about Breeze Airways, Alaska Airlines and Southwest. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Crew
Entertainment
Overall
Food
Comfort
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Crew
Entertainment
Overall
Food
Comfort
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Crew
Entertainment
Overall
Food
Comfort
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Crew
Entertainment
Overall
Food
Comfort
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Crew
Entertainment
Overall
Food
Comfort
Reviews
Dena,Dec 2024
LAS - BDL
Boarding
Crew
Entertainment
Overall
Food
Comfort
Reviews
Dena,Dec 2024
LAS - BDL
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near San Francisco?
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Alternative routes for San Francisco to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Top 6 airlines flying from San Francisco to Portland
Discover the top 6 airlines that operate flights from San Francisco to Portland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 30, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$247 | Average$398 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$247 | Average$470 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$256 | Average$391 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$276 | Average$544 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$298 | Average$475 | FlexibilityNo cancel fee | On-time83% | |
| Cheapest$325 | Average$605 | FlexibilityNo cancel fee | On-time69% |