Cheap flights from Seattle, WA to Trondheim, Norway
Flights starting at $388. Choose between Norwegian, Alaska Airlines, or SAS to find the best price.
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Tips to know when travelling to Trondheim
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Travelers usually depart from Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base when they travel from Seattle to Trondheim. The most popular airlines for this route are Norwegian, Alaska Airlines, SAS, Norse Atlantic Airways, and Lufthansa. Seattle and Trondheim have 278 direct flights per week.
Check-in for a flight from Seattle to Trondheim
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
---|---|---|---|---|
Norwegian | NAX | DY | No | Opens 24 days before flight Closes 2 hours before flight |
Alaska Airlines | ASA | AS | No | Opens 24 days before flight Closes 1 hours before flight |
SAS | SAS | SK | No | 0 0 |
Norse Atlantic Airways | NBT | N0 | No | Opens 24 days before flight Closes 2 hours before flight |
Lufthansa | DLH | LH | No | 0 0 |
Weather in Trondheim
Average Weather
Month | Average monthly max temperature | Average monthly min temperature |
January | -2°C | -6°C |
February | -1°C | -6°C |
March | 2°C | -4°C |
April | 6°C | 0°C |
May | 12°C | 3°C |
June | 16°C | 8°C |
July | 18°C | 10°C |
August | 17°C | 9°C |
September | 14°C | 7°C |
October | 7°C | 2°C |
November | 1°C | -1°C |
December | -1°C | -5°C |
14 day forecast
Frequently asked questions
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