Cheap flights from San Diego, CA to Duluth, MN
Choose between Sun Country Airlines, Frontier Airlines, or Spirit Airlines to find the best price
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Tips to know when travelling to Duluth
Most popular airline | Sun Country Airlines |
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Travelers usually depart from San Diego International, or McClellan–Palomar when they travel from San Diego to Duluth. The most popular airlines for this route are Sun Country Airlines, Frontier Airlines, Spirit Airlines, and Alaska Airlines. San Diego and Duluth have 9 direct flights per week.
Check-in for a flight from San Diego to Duluth
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Sun Country Airlines | SCX | SY | Yes | No |
Frontier Airlines | FFT | F9 | 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 |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
Weather in Duluth
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -7°C | -14°C |
February | -5°C | -13°C |
March | 1°C | -6°C |
April | 6°C | 0°C |
May | 14°C | 5°C |
June | 20°C | 10°C |
July | 24°C | 15°C |
August | 24°C | 14°C |
September | 20°C | 11°C |
October | 11°C | 4°C |
November | 3°C | -2°C |
December | -3°C | -9°C |
14 day forecast
Frequently asked questions
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