Cheap flights from Portland, ME to San Diego, CA
Flights starting at $87. Choose between Frontier Airlines, BREEZE, or Spirit Airlines to find the best price.
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Cheapest one-way trip | $87 |
---|---|
Cheapest round-trip | $292 |
Average round-trip | $363 |
Includes rare itinerary | |
Most popular airline | Frontier Airlines |
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Book your trip to arrive at San Diego International, or McClellan–Palomar. The most popular airlines for this route are Frontier Airlines, BREEZE, Spirit Airlines, United Airlines, and JetBlue Airways. Portland and San Diego have 166 direct flights per week.
Check-in for a flight from Portland to San Diego
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
BREEZE | MX | No | No | |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
United Airlines | UAL | UA | Yes | No |
JetBlue Airways | JBU | B6 | No | Opens 24 days before flight Closes 2 hours before flight |
Weather in San Diego
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 18°C | 10°C |
February | 17°C | 10°C |
March | 18°C | 11°C |
April | 19°C | 12°C |
May | 20°C | 14°C |
June | 22°C | 16°C |
July | 24°C | 18°C |
August | 25°C | 19°C |
September | 25°C | 19°C |
October | 23°C | 16°C |
November | 21°C | 13°C |
December | 17°C | 11°C |
14 day forecast
Frequently asked questions
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