£343 Cheap Flights from Portland (PWM) to San Diego (SAN)

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Popular airlines from Portland Intl. Jetport Airport (PWM) to San Diego Intl. Airport (SAN)

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Cheap Flights from Portland (PWM) to San Diego (SAN)

Prices were available within the past 7 days and start at £343 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How do I find cheap flights from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
There are approximately 35 connecting flights per day from Portland Intl. Jetport (PWM) to San Diego Intl. (SAN). Some common connection points include Baltimore Washington Intl. Thurgood Marshall (BWI), O'Hare Intl. (ORD), and LaGuardia (LGA).
What is the earliest flight from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
The earliest flight from Portland Intl. Jetport (PWM) to San Diego Intl. (SAN) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in January. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
If you're flying from Portland Intl. Jetport (PWM) to San Diego Intl. (SAN), you'll typically find the most flights on a Thursday, with around 25 flights available. This gives you plenty of options to choose from. Flight schedules are fairly consistent throughout the week, with Thursday offering about 16% more flights than other days. Major airlines on this route include United Airlines, American Airlines, and Delta Air Lines.
What are the most popular departure times for flights from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) are in the early morning, from 6am to 9am. Approximately 28% of passengers prefer this time window. Many major carriers, including American Airlines, Delta Air Lines and United Airlines, offer flights during this window. These times work well because you can get an early start to your travel day and arrive in San Diego with plenty of time to settle in.
How long does it take to fly from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
Flights from PWM to SAN with one stop typically take around 8 hours 20 minutes, covering approximately 2,618 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
Select the "Business class" and "First class" filters when looking for PWM to SAN flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) flight with Expedia?
It's easy to earn miles on a Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for San Diego from Portland Intl. Jetport (PWM)?
From Portland Intl. Jetport (PWM), you can fly directly into San Diego Intl. (SAN) to reach San Diego. Some flights may connect through major hubs like Baltimore Washington Intl. Thurgood Marshall (BWI), Washington Dulles Intl. (IAD), Philadelphia Intl. (PHL) before reaching San Diego. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) at the last minute?
Typically, booking a last minute flight from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package?
Securing a Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Portland, ME (PWM-Portland Intl. Jetport) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Portland Intl. Jetport
Destination airport
San Diego Intl.
Distance
4188 km

Book with confidence

Compare flights from Portland to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Portland to San Diego. Operating between them flights per day, 1 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Portland Intl. Jetport to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Portland Intl. Jetport (PWM) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Portland to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Portland Intl. Jetport to San Diego Intl. start at just and range up to .  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Portland and San Diego
  • booking your flight during , the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Portland to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Portland Intl. Jetport to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Portland to San Diego easily and book with confidence

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