Cheap flights from Portland to San Diego

Flights overview

Useful information for finding cheap flights from Portland to San Diego and booking your next trip
Cheapest round-trip flights $179
United 1 stop 7 hr Thu, Jun 4 — Mon, Jun 8
The cheapest round-trip flight from Portland to San Diego is currently $179
Cheapest one-way flight $83
Alaska Nonstop 3 hr Wed, May 27
The cheapest one-way flight from Portland to San Diego is currently $83
Cheapest nonstop flights $267
Alaska Nonstop 3 hr Sat, May 30 — Sun, May 31
The cheapest nonstop round-trip flight from Portland to San Diego is currently $267
Last-minute weekend getaway $257
Alaska Nonstop 3 hr Sat, May 9 — Sun, May 10
The cheapest last-minute weekend getaway from Portland to San Diego is currently $257
Cheapest business class flights $498
Frontier 1 stop 21 hr Thu, Jun 11 — Mon, Jun 15
The cheapest business class round-trip flight from Portland to San Diego is currently $498
Fastest flight 2 hr 20 min The fastest nonstop flight from Portland to San Diego takes 2 hr 20 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Portland to San Diego is typically August. The most expensive month to fly is typically March.
August
Cheapest
Typical prices: $140–220
March
Most expensive
Typical prices: $190–410

Popular airlines from Portland to San Diego

  • Alaska
    Nonstop
    from $237
    Typical price: $185–445
    28 weekly nonstop flights
    PDX - SAN Every day
    634 weekly connecting flights
    PDX - SAN Every day
  • Southwest
    Nonstop
    from $232
    Typical price: $195–450
    7 weekly nonstop flights
    PDX - SAN Every day
    550 weekly connecting flights
    PDX - SAN Every day
  • Delta
    from $237
    Typical price: $195–500
    219 weekly connecting flights
    PDX - SAN Every day
  • United
    from $179
    Typical price: $205–520
    218 weekly connecting flights
    PDX - SAN Every day
  • American
    from $239
    Typical price: $280–610
    90 weekly connecting flights
    PDX - SAN Every day
  • Frontier
    from $230
    Typical price: $170–400
    16 weekly connecting flights
    PDX - SAN Every Mon, Thu, Fri, Sun

Popular airports near Portland

  • Portland International Airport (PDX)
    Portland United States 20 min 6 mi
  • Seattle-Tacoma International Airport (SEA)
    Seattle United States 2 hr 37 min 134 mi
  • Eugene Airport (EUG)
    Eugene United States 1 hr 54 min 99 mi
  • Redmond Municipal Airport (RDM)
    Redmond United States 3 hr 114 mi

Popular airports near San Diego

  • San Diego International Airport (SAN)
    San Diego United States 10 min 2 mi
  • Tijuana International Airport (TIJ)
    Tijuana Mexico 37 min 16 mi
  • Los Angeles International Airport (LAX)
    Los Angeles United States 2 hr 2 min 111 mi
  • John Wayne Airport (SNA)
    Santa Ana United States 1 hr 21 min 78 mi

Frequently asked questions about flying from Portland to San Diego

The cheapest flights from Portland to San Diego are usually in August. Typical ticket prices in August range from $140 to $220.
The cheapest round-trip flight from Portland to San Diego recently found on Google Flights was with United from $179. The cheapest one-way flight was with Alaska from $83.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Portland to San Diego is $237, flying from Jun 4 to Jun 8.
  • The cheapest Southwest flight from Portland to San Diego is $232, flying from Jun 5 to Jun 8.
  • The cheapest Delta flight from Portland to San Diego is $237, flying from Jun 4 to Jun 7.
  • The cheapest United flight from Portland to San Diego is $179, flying from May 28 to Jun 1.
  • The cheapest American flight from Portland to San Diego is $239, flying from May 28 to Jun 1.
  • The cheapest Frontier flight from Portland to San Diego is $230, flying from Jun 18 to Jun 22.
The cheapest round-trip flight from Portland to San Diego starts at $179 from Thu, Jun 4 to Mon, Jun 8. The cheapest one-way flight starts at $83 and departs on Wed, May 27.
2 hr 20 min is the shortest flight time from Portland to San Diego.
Jun–Aug is when most people visit San Diego, where the weather's temperate year-round. Beaches are less crowded Dec–Feb, which bring cooler temperatures but brighter sun. Whale-watching season is from mid-Dec–mid-Mar. Major annual events include Comic-Con International (Jul), a massive comic book convention with workshops and film screenings. Fleet Week (autumn) is a large military appreciation event featuring Navy ship tours, an air show and more.
It's easy to use Google Flights to find the cheapest days to fly from Portland to San Diego.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Portland to San Diego really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Portland to San Diego.

In terms of nonstop flights, Alaska is the most popular. Alaska offers 28 nonstop flights and 634 connecting flights per week. Alaska flies from Portland International Airport (PDX) to San Diego International Airport (SAN) .

Other popular airlines flying from Portland to San Diego are:
  • Southwest offers 7 nonstop flights and 550 connecting flights per week. Southwest flies from Portland International Airport (PDX) to San Diego International Airport (SAN) .
  • Delta offers 219 connecting flights per week. Delta flies from Portland International Airport (PDX) to San Diego International Airport (SAN) .
  • United offers 218 connecting flights per week. United flies from Portland International Airport (PDX) to San Diego International Airport (SAN) .
  • American offers 90 connecting flights per week. American flies from Portland International Airport (PDX) to San Diego International Airport (SAN) .
  • Frontier offers 16 connecting flights per week. Frontier flies from Portland International Airport (PDX) to San Diego International Airport (SAN) .
The number of connecting flights refers to distinct flights with at least one stop between Portland and San Diego.
The cheapest round-trip flight from Portland to San Diego recently found on Google Flights was with United from $179. The cheapest one-way flight was with Alaska from $83.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest Alaska flight from Portland to San Diego is $237, flying from Jun 4 to Jun 8.
  • The cheapest Southwest flight from Portland to San Diego is $232, flying from Jun 5 to Jun 8.
  • The cheapest Delta flight from Portland to San Diego is $237, flying from Jun 4 to Jun 7.
  • The cheapest United flight from Portland to San Diego is $179, flying from May 28 to Jun 1.
  • The cheapest American flight from Portland to San Diego is $239, flying from May 28 to Jun 1.
  • The cheapest Frontier flight from Portland to San Diego is $230, flying from Jun 18 to Jun 22.
Alaska and Southwest fly direct from Portland to San Diego.
  • There are 28 Alaska direct flights from Portland to San Diego per week. Flights are available every day.
  • There are 7 Southwest direct flights from Portland to San Diego per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Portland and San Diego at price $257 is offered by Alaska from Sat, May 9 to Sun, May 10.
Alaska and Southwest fly direct from Portland to San Diego.
  • There are 28 Alaska direct flights from Portland to San Diego per week. Flights are available every day.
  • There are 7 Southwest direct flights from Portland to San Diego per week. Flights are available every day.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Portland to San Diego on a daily basis.
The cheapest direct (nonstop) round-trip flights between Portland and San Diego start at $267 from Sat, May 30 to Sun, May 31 with Alaska.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Portland to San Diego, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Portland and San Diego start at $498 from Thu, Jun 11 to Mon, Jun 15 with Frontier.
The cheapest economy class round-trip flights between Portland and San Diego start at $179 from Thu, Jun 4 to Mon, Jun 8.
To book business class trips from Portland to San Diego, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Portland and San Diego starts at $257 from Sat, May 9 to Sun, May 10 with Alaska.
The cheapest last-minute deal between Portland and San Diego at price $257 is offered by Alaska from Sat, May 9 to Sun, May 10.
To find last-minute flight deals from Portland to San Diego, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

Search more flights

Popular trips from Portland

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