Oslo (OSL) → Seattle (SEA)
About Oslo to Seattle Flights
Discover the best flights from Oslo to Seattle, covering 7,328 km in approximately 9h 40m. Oslo (OSL) to Seattle (SEA) is one of the major long-haul routes connecting Norway and United States. With 7 major airlines operating this route, travelers have plenty of options to choose from. Whether you're traveling for business or leisure, our comprehensive guide helps you find the best deals, understand seasonal price variations, and choose the right airline for your journey from Oslo to Seattle.
12-Month Price History
Flight prices from Oslo to Seattle vary significantly throughout the year. January typically offers the best deals with average prices around $1435, while July sees the highest prices, averaging $2221. Savvy travelers can save up to 35% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
January
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
138 days
For best prices
Booking Tips
For the best prices on Oslo to Seattle flights, we recommend booking 101 days in advance. International flights typically see price increases as the departure date approaches, so early booking is advisable. Tuesday and Wednesday departures often offer the lowest fares, while Friday and Sunday flights tend to be more expensive due to business and leisure travel demand. Consider flying early morning or late evening for additional savings, as these off-peak times usually have lower demand.
Airlines Serving This Route
| Airline | Economy | Business | First |
|---|---|---|---|
SAS Scandinavian Airlines SK | $1230 | $4580 | $7040 |
Norwegian Air DY | $1260 | $3980 | $6320 |
United Airlines UA | $1300 | $4430 | $7620 |
American Airlines AA | $1400 | $5220 | $8190 |
Alaska Airlines AS | $1470 | $4470 | $6390 |
Delta Air Lines DL | $1500 | $4420 | $8020 |
British Airways BA | $1670 | $5090 | $7740 |
SAS Scandinavian Airlines
SK
Economy
$1230
Business
$4580
First
$7040
Norwegian Air
DY
Economy
$1260
Business
$3980
First
$6320
United Airlines
UA
Economy
$1300
Business
$4430
First
$7620
American Airlines
AA
Economy
$1400
Business
$5220
First
$8190
Alaska Airlines
AS
Economy
$1470
Business
$4470
First
$6390
Delta Air Lines
DL
Economy
$1500
Business
$4420
First
$8020
British Airways
BA
Economy
$1670
Business
$5090
First
$7740
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
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Frequently Asked Questions
How long is the flight from Oslo to Seattle?
The flight time from Oslo (OSL) to Seattle (SEA) is approximately 9 hours and 40 minutes. This duration is for direct flights and may vary depending on aircraft type, weather conditions, and air traffic.
What is the distance between Oslo and Seattle?
The aerial distance between Oslo and Seattle is 7,328 kilometers (4,553 miles). This is the straight-line distance, which is used to calculate flight times.
Which airlines fly from Oslo to Seattle?
Several airlines operate flights between Oslo and Seattle, including Delta Air Lines, Alaska Airlines, SAS Scandinavian Airlines and 4 more airlines. Most flights on this route include one or more stops.
What is the cheapest month to fly from Oslo to Seattle?
Based on historical data, February typically offers the lowest airfares for flights from Oslo to Seattle. However, prices can vary based on holidays, events, and airline promotions. We recommend checking our price calendar for the most up-to-date information.
How far in advance should I book my flight to Seattle?
For the best prices on Oslo to Seattle flights, we recommend booking 122 days in advance. International flights generally require earlier booking than domestic routes.
Do I need a visa to travel from Oslo to Seattle?
Visa requirements depend on your nationality and the purpose of your visit. Citizens of Norway traveling to United States should check the latest visa requirements. Visit our partner site visarequirements.io for detailed visa information.
What is the time difference between Oslo and Seattle?
Oslo operates on Europe/Oslo time zone, while Seattle is in the America/Los_Angeles time zone. For current time differences and to plan your schedule, visit our partner site timezig.com for accurate timezone conversions.