Oslo to Seattle Flights
Everything you need to know about the OSL → SEA international route — flight time, airlines, fares, and booking tips. Track your flight in real time with TripTrack.
✈️ Route Overview
Key facts for the Oslo to Seattle route
🛫 Airlines on This Route
Carriers operating OSL → SEA flights
| Airline | Notes |
|---|---|
| Delta | SkyMiles frequent flyer program |
| American Airlines | AAdvantage frequent flyer program |
| United | MileagePlus frequent flyer program |
| British Airways | Operates this route |
| Lufthansa | Operates this route |
| Air France | Operates this route |
💡 Booking Tips
How to get the best deal on Oslo to Seattle flights
Best Days to Fly
Tuesday, Wednesday, and Saturday typically offer lower fares
Fare Range
$410-$1800 round trip. Book 3–6 weeks in advance for domestic routes, 2–3 months for international.
Red-Eye Flights
✓ Available
Overnight flights on this route can save on hotel costs and maximize your time at the destination.
Track Your Flight
Once booked, TripTrack automatically imports your flight from your confirmation email. Real-time gate changes and delay alerts — no manual entry needed.
🧳 Travel Tips for This Route
Practical advice from frequent travelers on the OSL → SEA route
- 1 Premium Economy offers a meaningful upgrade over Economy on 7–9 hour flights.
- 2 Consider open-jaw itineraries to maximize European exploration.
- 3 At 4,553 miles, consider Premium Economy for extra comfort on this long-haul flight.
🏢 Airport Guides
Full terminal, transit, and traveler info for both airports
Track Your OSL → SEA Flight — Automatically
TripTrack monitors your flight in real time — gate changes, delays, and departure updates sent to your phone the moment they happen. Connect your Gmail once and your trips appear automatically. No manual entry.
Frequently Asked Questions — Oslo to Seattle Flights
How long is the flight from Oslo to Seattle?
The average flight time from Oslo (OSL) to Seattle (SEA) is 9h 00m. This is an estimate including taxi, climb, and descent time — actual flight time may vary based on winds and routing.
Which airlines fly from Oslo to Seattle?
Airlines operating the OSL to SEA route include Delta, American Airlines, United and 3 more. Check each airline's website for current schedules and availability.
How far is Oslo from Seattle?
The great-circle distance from Oslo to Seattle is 4,553 miles (7,328 km). This is the straight-line distance — actual flight paths may be slightly longer.
What are the cheapest days to fly from Oslo to Seattle?
Tuesday, Wednesday, and Saturday typically offer lower fares. Fares on this route typically range $410-$1800 round trip.
Is there a time zone change flying from Oslo to Seattle?
Yes — there is a -9 hours when flying from Oslo to Seattle. TripTrack automatically shows local times for both your departure and arrival airports.
Are there red-eye flights from Oslo to Seattle?
Yes, overnight (red-eye) flights are available on the OSL to SEA route. These can be a great way to save on hotel costs and maximize time at your destination.
How can I track my Oslo to Seattle flight in real time?
TripTrack automatically tracks your OSL to SEA flight — showing real-time gate changes, delays, and departure updates. Connect your Gmail once and your booking confirmation is imported automatically. Available free on iOS and Android.