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. February typically offers the best deals with average prices around $1334, while July sees the highest prices, averaging $2242. Savvy travelers can save up to 40% by choosing their travel dates wisely.
Best Time to Fly
Cheapest Month
February
Save up to 40% on average
Most Expensive
July
Peak season pricing
Book in Advance
167 days
For best prices
Booking Tips
For the best prices on Oslo to Seattle flights, we recommend booking 172 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 |
|---|---|---|---|
Alaska Airlines AS | $1820 | $7370 | $9400 |
British Airways BA | $1970 | $6670 | $9940 |
Norwegian Air DY | $1970 | $6980 | $11550 |
United Airlines UA | $1980 | $5550 | $10560 |
Delta Air Lines DL | $2030 | $7420 | $9700 |
American Airlines AA | $2070 | $6090 | $11310 |
SAS Scandinavian Airlines SK | $2120 | $5580 | $8970 |
Alaska Airlines
AS
Economy
$1820
Business
$7370
First
$9400
British Airways
BA
Economy
$1970
Business
$6670
First
$9940
Norwegian Air
DY
Economy
$1970
Business
$6980
First
$11550
United Airlines
UA
Economy
$1980
Business
$5550
First
$10560
Delta Air Lines
DL
Economy
$2030
Business
$7420
First
$9700
American Airlines
AA
Economy
$2070
Business
$6090
First
$11310
SAS Scandinavian Airlines
SK
Economy
$2120
Business
$5580
First
$8970
Prices shown are estimates based on historical data. Actual prices may vary based on dates, availability, and current promotions.
Don't Forget Travel Insurance!
Found your flight? Protect your trip with SafetyWing's comprehensive travel insurance. Perfect for trips to Seattle, United States.
- Medical coverage up to $250,000
- Trip interruption & delays covered
- Lost luggage protection included
From just $45/month • Works in 180+ countries • COVID-19 coverage included
Trusted by 100,000+ travelers
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 119 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.