Cheap flights from Trondheim to Seattle, WA

Flights starting at $403. Choose between SAS, Alaska Airlines, or Norwegian to find the best price.

Make your travel wishlist, we'll do the rest
Hidden deals
Effortless booking
Travel hacking
Mailbox
Receive exclusive deals by email
Book your trip to arrive at Seattle–Tacoma International, or Kenmore Air Harbor Seaplane Base. The most popular airlines for this route are SAS, Alaska Airlines, Norwegian, Icelandair, and WestJet. Trondheim and Seattle have 298 direct flights per week.

Check-in for a flight from Trondheim to Seattle

NameCarrier codeIATA CodePassport needed during booking
SASSASSKNo
Alaska AirlinesASAASNo
NorwegianNAXDYNo
IcelandairICEFIYes
WestJetWJAWSNo

Weather in Seattle

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January7°C2°C
February8°C1°C
March10°C3°C
April13°C4°C
May18°C8°C
June21°C10°C
July25°C13°C
August26°C14°C
September22°C11°C
October15°C7°C
November10°C4°C
December6°C1°C
Hottest Month
26°C
August
Coldest month
1°C
February
Sunny days
251
days per year
Snow days
5
days per year

14 day forecast

Wednesday
30 Oct
88%
9°C7°C
6 Nov
12°C6°C
Thursday
31 Oct
85%
12°C7°C
7 Nov
88%
16°C8°C
Friday
1 Nov
83%
10°C6°C
8 Nov
84%
10°C8°C
Saturday
2 Nov
88%
9°C6°C
9 Nov
83%
10°C8°C
Sunday
3 Nov
88%
11°C6°C
10 Nov
88%
10°C7°C
Monday
4 Nov
11°C4°C
11 Nov
87%
9°C7°C
Tuesday
5 Nov
87%
10°C6°C
12 Nov
80%
10°C7°C

Frequently asked questions

What are the most popular routes to and from Trondheim?
What are the most popular routes to and from Seattle?
What airports are near Trondheim?
What airports are near Seattle?
Which airlines fly between Trondheim and Seattle?
When's the best time to travel between Trondheim and Seattle?
What flights operate between Trondheim and Seattle?
How many airports are there near Trondheim?
How many airports are there near Seattle?
What time do nonstop (direct) flights between Trondheim and Seattle depart?
What time do nonstop (direct) flights between Trondheim and Seattle arrive?
What time do flights between Trondheim and Seattle depart?
What time do flights between Trondheim and Seattle arrive?

Explore alternative trips

Flights from Trondheim

Flights to Seattle

Popular routes

The nearest countries with flights to Seattle

Here is a list of countries people are flying from

Other destination countries from Trondheim

Here is a list of countries people are flying to
Find the best connection from Trondheim to Seattle
Search flights, trains & buses
We hack the system,
you fly for less