>>>>
Worldwide Coverage
Worldwide Coverage
Flights to over 5,000 cities
One-stop Service Guarantee
One-stop Service Guarantee
Price guaranteed upon confirmed payment, booking guaranteed once tickets issued
Secure Payment
Secure Payment
Convenient & reliable booking and payment system

Cheap Flights from Seattle to Oslo starting at S$ 394

Book one-way or return flights from Seattle to Oslo from as little as S$ 394. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Seattle to Oslo? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Seattle to Oslo. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Seattle to Oslo

View airlines operating flights from Seattle to Oslo. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Delta Air Lines
From S$ 394
Frontier Airlines
From S$ 435
United Airlines
From S$ 436
Alaska Airlines
From S$ 442
Westjet
From S$ 494
Jetblue Airways
From S$ 514
Sun Country Airlines
From S$ 581
British Airways
From S$ 639
Swiss Airlines
From S$ 646
American Airlines
From S$ 661
ANA airlines

Find more flights and airlines

Alternative Routes from Seattle to Oslo

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Seattle to Oslo.

  • Cheapest
    Delta Air Lines
    SEA
    15:22
    36h 43m
    1 transfer
    OSL
    13:05
    Seattle-Tacoma International Airport - Oslo Airport
    Thu, Jun 6Delta Air Lines
    S$ 394
  • Icelandair
    SEA
    23:00
    28h 20m
    2 transfer
    TRF
    12:20
    Seattle-Tacoma International Airport - Sandefjord Airport
    Fri, May 24Icelandair
    S$ 1,237
  • Icelandair
    SEA
    23:00
    28h 20m
    2 transfer
    TRF
    12:20
    Seattle-Tacoma International Airport - Sandefjord Airport
    Fri, May 24Icelandair
    S$ 1,237
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Seattle (SEA) to Oslo (OSL) the cheapest?

    Airlines adjust prices for flights from Seattle to Oslo based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much is a flight from Seattle (SEA) to Oslo (OSL) cost?

    According to Trip.com's data, the lowest price is around S$ 1,885.
  • What is the transportation method from the main airport to downtown in Oslo?

    • The distance from Oslo Airport to downtown is about 36km, by taxi about 50 minutes.
  • How many airports in Oslo?

    There are 3 airports near Oslo: Oslo Airport, Oslo Rygge Airport and Sandefjord Airport.

How to find a cheap flight from Seattle to Oslo

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Seattle to Oslo. Book your flights at the right time and save more.
1
Book Early
Once prices are gone, they're gone. Lock in deals while you can!
2
Compare Flight Prices
Compare prices on travel agency and airline websites.
3
Look Out for Deals
Check airline and travel agency websites for latest flight deals
4
Check One-way Fares
Buying two cheap one-way flights can sometimes be a better deal than a round-trip.
5
Try Different Dates
Flying during the week, early in the morning, or late at night can help save money.
6
Use the Trip.com App
Save up to £10 per person when booking your flights on Trip.com
Flight Information from Seattle to Oslo

Cheapest direct flight price

S$ 393

Cheapest month

June

Peak season for travel

October

Flight distance

7,341.1km

Popular airline

Alaska Airlines