Cheap flights from Washington (WA) to Oslo (OSL)

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How to find the cheapest flight from
Washington to Oslo (OSL)

All the information you need to plan the best null to OSL flight in 2021: compare Washington to Oslo flight prices with the expected peak season, weather and rainfall in Oslo.
When is the cheapest time to fly from State of Washington to Oslo (WA - OS1)?

When flying from State of Washington to Oslo, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How far in advance should I book a flight from State of Washington 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 State of Washington 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 $964. For sooner than that we have options available in the next 3 days from $1,281.

What is the cheapest month to fly from State of Washington to Oslo?

May can be a great time to fly to Oslo from State of Washington with a flight ticket averaging about $694. Cheapflights users have found deals in the month of May for as cheap as $463. The most expensive prices can be found in the month of December.

Cheap flights from Washington to Oslo in December, January 2022

The best prices found for Washington to OSL flights for December, January
23 Jan - 27 Jan
$527pp
SEA
Seattle/Tacoma Intl
Icelandair
 
1 STOP
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Icelandair
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Jan - 28 Jan
$543pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
 
1 STOP
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
KLM
 
1 STOP
SEA
Seattle/Tacoma Intl
22 Jan - 28 Jan
$548pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Multiple Airlines
 
1 STOP
SEA
Seattle/Tacoma Intl

Washington to Oslo 2022 flight deals

Cheap flights to Oslo from Washington found for this year
9 Dec - 16 Dec
$1,046pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
8 Dec - 15 Dec
$1,064pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl
10 Dec - 12 Dec
$1,078pp
SEA
Seattle/Tacoma Intl
Multiple Airlines
   
2 STOPS
OSL
Oslo Gardermoen
OSL
Oslo Gardermoen
Multiple Airlines
   
2 STOPS
SEA
Seattle/Tacoma Intl

One-way flights to Oslo from Washington

The cheapest one-way flights from Washington to Oslo
2:55 pm - 5:25 am
British Airways
1 Stop
29h 30m
SEA - OSL
British Airways
$515
Travelgenio
9:50 am - 6:30 am
Icelandair
1 Stop
11h 40m
SEA - OSL
Icelandair
$523
mytrip.com
6:45 am - 6:10 am
Multiple Airlines
2 Stops
38h 25m
SEA - OSL
Multiple Airlines
$533
Hotwire

Related info for your journey

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

Flight FAQs

From Washington to Oslo

Which airlines flying from Washington to Oslo have flexible cancellations due to COVID-19?

Some of our airline partners flying from Washington to Oslo have new flexible policies in place due to COVID-19. Icelandair, Delta, and Norwegian are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like Icelandair with this kind of flexibility.

Can I find flights from State of Washington to Oslo for under $600 on Cheapflights?

Yes, there are multiple flights from State of Washington to Oslo for under $600. The cheapest flight booked recently is on Icelandair for just $527, but on average you can expect to pay $565.

What are the cheapest airlines to fly from State of Washington to Oslo one-way?

The cheapest airlines for a one-way flight from State of Washington to Oslo are British Airways ($515), Icelandair ($522), and Finnair ($548).

What are the cheapest flights from State of Washington to Oslo?

The cheapest flight price from State of Washington to Oslo is $375. On average you can expect to pay $1,232. The most popular route, (Seattle/Tacoma Intl - Oslo Gardermoen), can usually be booked for $527.

What are the most popular airlines that fly from State of Washington to Oslo?

The most popular airlines flying from State of Washington to Oslo are American Airlines, Air France and Finnair. Something to consider prior to booking your flight.

What are the most popular routes from State of Washington to Oslo?

While some choose either Seattle/Tacoma Intl - Oslo Sandefjord or Spokane - Oslo Gardermoen, Seattle/Tacoma Intl - Oslo Gardermoen is the most popular route from State of Washington to Oslo.

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COVID Restrictions

View COVID Travel Restrictions for Oslo, Norway

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

Information is based on travel restrictions from Washington to Oslo

Most visitors from Washington need to provide a negative COVID-19 test result and/or quarantine to enter Oslo.

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

Quarantine requirements
Visitors from Washington 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 Washington from Oslo?

Returning to Washington from Oslo

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

Quarantine requirements
Visitors from Oslo are not required to quarantine after entering Washington.

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 Washington to Oslo.
Today's exchange rate
$1 = 9.06 kr
Average temperature for December in Oslo
33.8 °F
Avg rainfall for December in Oslo
1.7 ″

Airports servicing

Seattle King County/Boeing (BFI)
Bellingham (BLI)
Deer Harbor (DHB)
Wenatchee (EAT)
Eastsound Orcas Island (ESD)
Friday Harbor SPB (FBS)

Airports servicing Oslo

Oslo Gardermoen (OSL)
Oslo Sandefjord (TRF)

Top 10 airlines flying from Washington to Oslo

The chart below displays the airlines Cheapflights users traveling from Washington to Oslo choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
British Airways
$357 $718 No cancel fee 70%
Lufthansa
$385 $776 No cancel fee 76%
Finnair
$386 $774 No cancel fee 76%
Norwegian
$419 $641 No cancel fee 74%
Icelandair
$431 $1,020 No cancel fee 76%
Air France
$440 $835 No cancel fee 77%
Delta
$451 $855 No cancel fee N/A
Iberia
$455 $688 No cancel fee 77%
American Airlines
$464 $918 No cancel fee 71%
KLM
$492 $844 No cancel fee 75%
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