Cheap flights from Portland, ME to San Francisco, CA
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Tips to know when travelling to San Francisco
Most popular airline | United Airlines |
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The most popular airlines for this route are United Airlines, Frontier Airlines, Alaska Airlines, Spirit Airlines, and AeroMéxico. Portland and San Francisco have 76 direct flights per week. When you arrive at San Francisco, consider visiting Big Sur, Alcatraz, and Golden Gate Bridge.
Check-in for a flight from Portland to San Francisco
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
United Airlines | UAL | UA | Yes | No |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
AeroMéxico | AMX | AM | Yes | 0 0 |
Weather in San Francisco
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | 14°C | 7°C |
February | 15°C | 8°C |
March | 15°C | 8°C |
April | 17°C | 9°C |
May | 19°C | 10°C |
June | 21°C | 12°C |
July | 22°C | 13°C |
August | 22°C | 14°C |
September | 23°C | 14°C |
October | 21°C | 13°C |
November | 17°C | 10°C |
December | 13°C | 8°C |
14 day forecast
Frequently asked questions
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Flights from Portland
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Flights to San Francisco
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Popular routes
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Airports near Portland
- Logan International
- Rhode Island T. F. Green Int'l Airport
- Portland International Jetport
- Manchester–Boston Regional
- Bangor International
- Burlington International
- Lebanon Municipal
- Hancock County-Bar Harbor
- Portsmouth International Airport at Pease
- Augusta State