Cheap flights from Seattle to Oslo

Round-trip
Economy
Seattle (SEA)
Oslo (OSL)
Depart
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How to find the cheapest flight from
Seattle (SEA) to Oslo (OSL)

All the information you need to plan the best SEA to OSL flight in 2021: compare Seattle to Oslo flight prices with the expected peak season, weather and rainfall in Oslo.
SEA - OS1
Price
C$ 552 - C$ 882
OS1
Temperature
-3 - 17 °C
OS1
Precipitation
40 - 90 mm

Popular in

December

High demand for flights, 21% potential price rise

Cheapest in

May

Best time to find cheap flights, 20% potential price drop

Average price

C$ 903

Average for round-trip flights in October 2021

Round-trip from

C$ 681

From Seattle/Tacoma Intl to Oslo

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
How far in advance should I book a flight from Seattle to Oslo?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 61 days in advance, which can save you up to 64% on flights from Seattle to Oslo compared to booking the week you need them. Waiting 61 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at C$ 1,189. For sooner than that we have options available in the next 3 days from C$ 1,580.

What is the cheapest month to fly from Seattle to Oslo?

Our data shows that May tends to be the cheapest month to fly to Oslo from Seattle. Users have commonly found prices around C$ 856 for the month, but tickets can be as low as C$ 571. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Seattle to Oslo (SEA - OS1)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Oslo as you normally would.

Cheap flights from Seattle to Oslo in October, November 2021

The best prices found for SEA to OSL flights for October, November
14 Nov - 21 Nov
C$ 687pp
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
19 Nov - 28 Nov
C$ 709pp
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
19 Nov - 26 Nov
C$ 717pp
SEA
Seattle/Tacoma Intl
Lufthansa
 
1 STOP
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl

Seattle/Tacoma Intl to Oslo 2021 flight deals

Cheap flights to Oslo from Seattle found for this year
14 Nov - 21 Nov
C$ 687pp
SEA
Seattle/Tacoma Intl
Lufthansa
   
2 STOPS
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Lufthansa
   
2 STOPS
SEA
Seattle/Tacoma Intl
1 Dec - 8 Dec
C$ 692pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
1 Dec - 8 Dec
C$ 700pp
SEA
Seattle/Tacoma Intl
KLM
 
1 STOP
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl

One-way flights to Oslo from Seattle

The cheapest one-way flights from Seattle to Oslo
8:10 a.m. - 11:35 a.m.
Delta
1 stop
18h 25m
SEA - OSL
Delta
C$ 688
Delta
8:20 a.m. - 11:15 a.m.
Delta
1 stop
17h 55m
SEA - OSL
Delta
C$ 696
Delta
3:05 p.m. - 7:40 p.m.
Multiple Airlines
1 stop
20h 35m
SEA - OSL
Multiple Airlines
C$ 876
Condor

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Seattle</span> to <span class="emphasized">Oslo</span> flights.

Flight FAQs

From Seattle to Oslo

What airport do you fly from for flights from Seattle to Oslo?

Seattle/Tacoma Intl (SEA), located 18.4 km from the city centre, is the airport you fly out of when you book flights from Seattle to Oslo. 1 airline have flights from Seattle/Tacoma Intl to Oslo on a regular basis. Booking flights from Seattle/Tacoma Intl to Oslo should not be difficult; the airport handles an average of 0 outbound flights to Oslo per day.

Which airlines flying from Seattle/Tacoma Intl to Oslo have flexible changes due to COVID-19?

Some of our airline partners flying from Seattle/Tacoma Intl to Oslo have new flexible policies in place due to COVID-19. Icelandair is one of the carriers where you may find flexible change policies. You can use our site to filter for airlines like Icelandair with this kind of flexibility.

Can I find flights from Seattle to Oslo for under C$ 700 on Cheapflights?

Yes, there are multiple flights from Seattle to Oslo for under C$ 700. The cheapest flight booked recently is on Lufthansa for just C$ 687, but on average you can expect to pay C$ 761.

What are the cheapest airlines flying from Seattle to Oslo round-trip?

Cheapflights users have booked flights from Seattle to Oslo round-trip from C$ 687. Other airlines that can offer you cheap pricing are KLM, from C$ 700, and Delta, from C$ 722. Lufthansa is priced at 19% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest flights from Seattle to Oslo?

Looking for the cheapest flight from Seattle to Oslo? While on average our users pay C$ 915, our data indicates the cheapest price to be C$ 520. The most popular route (Seattle/Tacoma Intl - Oslo Gardermoen), is priced around C$ 588.

COVID Restrictions

View COVID Travel Restrictions for Oslo, Norway

Do I need a COVID test to fly to Oslo from Seattle?

Information is based on travel restrictions from Seattle/Tacoma Intl to Oslo

Most visitors from Seattle/Tacoma Intl will not be allowed to enter Oslo.

COVID-19 testing requirements
Visitors from Seattle/Tacoma Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 24 hours before departing to Oslo.

Quarantine requirements
Visitors from Seattle/Tacoma Intl are not required to quarantine after entering Oslo.

Documents
Pre Registration Form - 72 hours before arrival in Norway.


Do I need a test to fly back to Seattle from Oslo?

Returning to Seattle/Tacoma Intl from Oslo

COVID-19 testing requirements
Visitors from Oslo must present a negative RT-PCR (NAAT) test taken 72 hours before departing to Seattle/Tacoma Intl.

Quarantine requirements
Visitors from Oslo are not required to quarantine after entering Seattle/Tacoma Intl.

Hide COVID Travel Restrictions for Oslo, Norway

Destination information for Oslo

Things to know before you go - useful duration and weather info for your trip from Seattle to Oslo.
Today's exchange rate
C$ 1 = 6.77 kr
Average temperature for October in Oslo
10.0 °C
Avg rainfall for October in Oslo
72.0 mm

Airports servicing Seattle

Airports servicing Oslo

Oslo Gardermoen (OSL)
Oslo Sandefjord (TRF)
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