$154+ Cheap flights from San Diego to Portland, ME (SAN - 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from San Diego 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 Diego to Portland are usually found in February or October, booked 90 days in advance, depart on a Saturday or Tuesday and return on a Wednesday
Cheap flight deals from San Diego to Portland
Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 | $313 (Delta) |
One-way from | $154 (JetBlue) |
Popular in | November |
Cheapest in | February |
Average price | $523 |
Find flight deals from San Diego to Portland
Cheapest flights from San Diego to PortlandExplore the most affordable flight options available from San Diego 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 Diego to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 30, 2025.
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 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 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 4/28. 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 Southwest 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 Mytrip 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 Mytrip 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 4/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KAYAK 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 KAYAK 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 Diego 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 Diego to Portland that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 6/10
1:00 pm-12:46 am
1 stop8h 46m
Portland
Tue 6/24
6:30 am-11:50 am
1 stop8h 20m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sun 5/25
11:58 am-11:06 pm
1 stop8h 08m
Portland
Tue 6/3
1:12 pm-8:51 pm
1 stop10h 39m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Sat 10/18
10:15 am-9:59 pm
1 stop8h 44m
Portland
Thu 10/23
2:15 pm-7:30 pm
1 stop8h 15m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 8/1
8:40 am-12:05 am
2 stops12h 25m
Portland
Wed 8/6
5:50 am-12:10 pm
2 stops9h 20m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 6/6
10:30 pm-1:33 pm
2 stops12h 03m
Portland
Mon 6/9
6:00 am-10:45 pm
3 stops19h 45m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Thu 5/15
6:15 am-2:07 pm
2 stops28h 52m
Portland
Mon 5/19
2:52 pm-11:56 pm
3 stops36h 04m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Tue 9/2
8:22 pm-8:20 pm
3 stops20h 58m
Portland
Tue 9/9
2:07 pm-11:53 pm
2 stops12h 46m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 6/6
12:27 pm-5:38 pm
3 stops26h 11m
Portland
Mon 6/9
2:52 pm-12:03 pm
2 stops24h 11m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Fri 7/25
10:15 am-11:37 pm
1 stop10h 22m
San DiegoPortland
SAN - PWM
SANPWM
San Diego
Wed 6/25
1:00 pm-12:46 am
1 stop8h 46m
Compare providers for flights from San Diego 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 Diego 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 Diego-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 Diego-Portland, Maine flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from San Diego-Portland, Maine flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Diego-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 Diego-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 Diego to Portland
Have a flexible travel schedule? Discover the best time to fly to Portland from San Diego with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from San Diego to Portland
How far ahead should I book a flight from San Diego to Portland, Maine?
Use this chart to determine the optimal time to book a round-trip flight from San Diego to Portland. Price data was last updated on April 25, 2025.
To ensure you get the cheapest price possible for a flight from San Diego to Portland, Maine, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from San Diego to Portland, Maine?
Currently, January is the cheapest month in which you can book a flight from San Diego to Portland, Maine (average of $296). Flying from San Diego 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 SAN to PWM?
Find hourly flight availability from San Diego 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.
Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from San Diego to Portland, Maine by exploring options for tickets in the afternoon.
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.
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Comfort
Food
Entertainment
Crew
Boarding
Overall
Reviews
Dena,Dec 2024
LAS - BDL
Related info for your journey
Find useful and relevant information for your journey from San Diego to Portland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for San Diego to Portland
See prices for flight routes from nearby airports that may be better suited for you.
Top 4 airlines flying from San Diego to Portland
Discover the top 4 airlines that operate flights from San Diego 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$301 | Average$514 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$316 | Average$442 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$350 | Average$582 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$421 | Average$541 | FlexibilityNo cancel fee | On-time63% |