What is the cheapest airline that flies from Washington to Oslo Gardermoen?

SWISS, Icelandair, and Air France are the most popular carriers operating from Washington to Oslo Gardermoen

What airlines fly to Oslo Gardermoen Airport?

Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to Oslo Gardermoen Airport from State of Washington according to our data. Icelandair is the first choice among our users, with 64% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 10 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Oslo Gardermoen Airport?

Average flight duration from State of Washington to Oslo Gardermoen Airport depends on which airport you fly into and out of. Flying from Seattle to Oslo Gardermoen Airport is 11h 25m on average, while flying from Spokane to Oslo Gardermoen Airport is 17h 02m on average. Oslo Gardermoen Airport is the most popular airport in Oslo Gardermoen Airport.

When did momondo last update prices for flights from Washington to Oslo Gardermoen Airport?

Prices for flights from Washington to Oslo Gardermoen Airport are updated daily.

How many operators does momondo search for flights from Washington to Oslo Gardermoen Airport?

There are 10 operators available for flights from Washington to Oslo Gardermoen Airport as of January 2026.

How old do you have to be to fly from Washington to Oslo Gardermoen Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Oslo Gardermoen Airport.

What documentation or ID do you need to fly to Oslo Gardermoen Airport?

The travel and health documents you'll need for your trip to Oslo Gardermoen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$214 Cheap Flights from State of Washington to Oslo Gardermoen Airport in 2026

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3:45 pm - 11:35 am

PDX

OSL

11h 50m

1 stop

1:10 pm - 6:00 pm

OSL

PDX

12h 50m

1 stop

$365Icelandair

seg, mar 9 - qua, mar 25

2:35 pm - 11:35 am

SEA

OSL

12h 00m

1 stop

9:30 pm - 5:00 pm

OSL

SEA

28h 30m

1 stop

$369Icelandair

seg, fev 16 - dom, mar 1

3:40 pm - 3:25 pm

SEA

OSL

14h 45m

1 stop

1:50 pm - 8:40 pm

OSL

SEA

15h 50m

1 stop

$380Icelandair

sex, mai 8 - qui, mai 21

6:05 pm - 8:40 pm

PDX

OSL

17h 35m

2 stops

6:30 am - 5:10 pm

OSL

PDX

19h 40m

2 stops

$476Delta

seg, abr 20 - seg, abr 27

10:05 am - 2:45 pm

PDX

OSL

19h 40m

2 stops

6:25 am - 3:11 pm

OSL

PDX

17h 46m

2 stops

$477Delta

qua, fev 25 - qua, mar 4

7:00 am - 8:40 am

PDX

OSL

16h 40m

2 stops

6:30 am - 11:25 am

OSL

PDX

13h 55m

1 stop

$480KLM

qua, fev 18 - sex, fev 27

7:00 am - 8:40 am

PDX

OSL

16h 40m

2 stops

6:25 am - 4:08 pm

OSL

PDX

18h 43m

2 stops

$489Multiple Airlines

qua, fev 18 - sex, fev 27

7:00 am - 11:40 pm

GEG

OSL

31h 40m

2 stops

6:05 am - 9:17 pm

OSL

GEG

24h 12m

2 stops

$508Lufthansa

qua, fev 25 - qua, mar 4

6:00 am - 10:40 pm

GEG

OSL

31h 40m

2 stops

7:10 am - 9:12 pm

OSL

GEG

23h 02m

2 stops

$624Multiple Airlines

seg, fev 23 - sex, fev 27

1:37 pm - 11:30 pm

GEG

OSL

25h 53m

2 stops

6:05 am - 9:03 pm

OSL

GEG

22h 58m

2 stops

$735Lufthansa

dom, mar 15 - dom, mar 22

Icelandair flights from State of Washington to Oslo Gardermoen Airport

Our best Icelandair deals on State of Washington to Oslo Gardermoen Airport flight tickets

Icelandair

Mar 9

PDX3:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Mar 25

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX6:00 pmPortland

$365

Icelandair

Feb 16

SEA2:35 pmSeattle/Tacoma Intl

12h 00m

1 stop

OSL11:35 amOslo Gardermoen

Mar 1

OSL9:30 pmOslo Gardermoen

28h 30m

1 stop

SEA5:00 pmSeattle/Tacoma Intl

$369

Icelandair

May 8

SEA3:40 pmSeattle/Tacoma Intl

14h 45m

1 stop

OSL3:25 pmOslo Gardermoen

May 21

OSL1:50 pmOslo Gardermoen

15h 50m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

$380

Delta flights from State of Washington to Oslo Gardermoen Airport

Our best Delta deals on State of Washington to Oslo Gardermoen Airport flight tickets

Delta

Mar 29

SEA10:58 pmSeattle/Tacoma Intl

25h 17m

2 stops

OSL9:15 amOslo Gardermoen

Apr 9

OSL6:30 amOslo Gardermoen

20h 08m

1 stop

SEA5:38 pmSeattle/Tacoma Intl

$467

Delta

Mar 29

SEA10:58 pmSeattle/Tacoma Intl

25h 17m

2 stops

OSL9:15 amOslo Gardermoen

Apr 5

OSL11:50 amOslo Gardermoen

32h 55m

1 stop

SEA11:45 amSeattle/Tacoma Intl

$468

Delta

Feb 25

SEA2:15 pmSeattle/Tacoma Intl

22h 15m

1 stop

OSL9:30 pmOslo Gardermoen

Mar 9

OSL9:25 amOslo Gardermoen

22h 30m

2 stops

SEA11:55 pmSeattle/Tacoma Intl

$472

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

seg 3/9

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

qua 3/25

1:10 pm-6:00 pm

1 stop12h 50m

$365

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

seg 2/16

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

dom 3/1

9:30 pm-5:00 pm

1 stop28h 30m

$369

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

sex 5/8

3:40 pm-3:25 pm

1 stop14h 45m

Oslo Gardermoen

qui 5/21

1:50 pm-8:40 pm

1 stop15h 50m

$380

PortlandOslo

PDX - OSL

PDXOSL

Portland

seg 4/20

6:05 pm-8:40 pm

2 stops17h 35m

Oslo Gardermoen

seg 4/27

6:30 am-5:10 pm

2 stops19h 40m

$476

PortlandOslo

PDX - OSL

PDXOSL

Portland

qua 2/25

10:05 am-2:45 pm

2 stops19h 40m

Oslo Gardermoen

qua 3/4

6:25 am-3:11 pm

2 stops17h 46m

$477

PortlandOslo

PDX - OSL

PDXOSL

Portland

qua 2/18

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

sex 2/27

6:30 am-11:25 am

1 stop13h 55m

$480

PortlandOslo

PDX - OSL

PDXOSL

Portland

qua 2/18

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

sex 2/27

6:25 am-4:08 pm

2 stops18h 43m

$489

SpokaneOslo

GEG - OSL

GEGOSL

Spokane

qua 2/25

7:00 am-11:40 pm

2 stops31h 40m

Oslo Gardermoen

qua 3/4

6:05 am-9:17 pm

2 stops24h 12m

$508

SpokaneOslo

GEG - OSL

GEGOSL

Spokane

seg 2/23

6:00 am-10:40 pm

2 stops31h 40m

Oslo Gardermoen

sex 2/27

7:10 am-9:12 pm

2 stops23h 02m

$624

SpokaneOslo

GEG - OSL

GEGOSL

Spokane

dom 3/15

1:37 pm-11:30 pm

2 stops25h 53m

Oslo Gardermoen

dom 3/22

6:05 am-9:03 pm

2 stops22h 58m

$735

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington to Oslo Gardermoen Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Oslo Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from State of Washington is in January. Flight prices, which tend to average around $422, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Oslo Gardermoen Airport from State of Washington during November instead. Flights to Oslo Gardermoen Airport in November, while not as cheap as those in January, still average around $482.

How far in advance should I book a flight to Oslo Gardermoen Airport?

You are more likely to see cheaper flights to Oslo Gardermoen Airport from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $587 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from State of Washington for as low as $533 on momondo.

Can stopping save me money on State of Washington to Oslo Gardermoen Airport flights?

You could potentially save up to 67% on your flight if you consider stops on a State of Washington to Oslo Gardermoen Airport flight.

Cheap State of Washington to Oslo Gardermoen Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Oslo Gardermoen Airport

Fastest flight time	11h 20m
Direct flights	None

The fastest flight from State of Washington to Oslo Gardermoen Airport takes 11h 20m

There are no direct flights from State of Washington to Oslo Gardermoen Airport. There are no popular flight routes from State of Washington to Oslo Gardermoen Airport.

Search flight deals

When did momondo last update prices for flights from Washington to Oslo Gardermoen Airport?
Prices for flights from Washington to Oslo Gardermoen Airport are updated daily.
How many operators does momondo search for flights from Washington to Oslo Gardermoen Airport?
There are 10 operators available for flights from Washington to Oslo Gardermoen Airport as of January 2026.
How old do you have to be to fly from Washington to Oslo Gardermoen Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington to Oslo Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents you'll need for your trip to Oslo Gardermoen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from State of Washington to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from State of Washington to Oslo Gardermoen Airport with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom $353	Free Cancellation	Rating 6.7 7,705 reviews	Search British Airways flights
Icelandair	PriceFrom $399	Free Cancellation	Rating 7.1 606 reviews	Search Icelandair flights
Delta	PriceFrom $468	Free Cancellation	Rating 7.9 8,127 reviews	Search Delta flights
American Airlines	PriceFrom $488	Free Cancellation	Rating 7.2 11,206 reviews	Search American Airlines flights
Finnair	PriceFrom $491	Free Cancellation	Rating 7.6 1,356 reviews	Search Finnair flights
Scandinavian Airlines	PriceFrom $492	Free Cancellation	Rating 7.3 1,674 reviews	Search Scandinavian Airlines flights
United Airlines	PriceFrom $518	Free Cancellation	Rating 7.4 9,216 reviews	Search United Airlines flights
KLM	PriceFrom $524	Free Cancellation	Rating 7.7 1,443 reviews	Search KLM flights
Air France	PriceFrom $526	Free Cancellation	Rating 7.4 1,528 reviews	Search Air France flights
Lufthansa	PriceFrom $538	Free Cancellation	Rating 6.8 7,753 reviews	Search Lufthansa flights

Gardermoen

Fredrikstad

Lillehammer

Drammen

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It is quick and easy to find Washington to Oslo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Oslo that suits you.

Can I find flights from Washington to Oslo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Oslo from Washington which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Washington to Oslo?

Once all potential Washington to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington to Oslo right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Oslo, momondo offers a useful price alert feature which will track prices for flights to Oslo from Washington and alert you when they change.

An easier way to manage your Oslo Gardermoen Airport trip

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Cheap flights from Washington to Oslo from $216

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Oslo departing on 5/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Icelandair flights from State of Washington to Oslo Gardermoen Airport

Our best Icelandair deals on State of Washington to Oslo Gardermoen Airport flight tickets

Delta flights from State of Washington to Oslo Gardermoen Airport

Our best Delta deals on State of Washington to Oslo Gardermoen Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Oslo Gardermoen Airport that are best for you.

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How to get the cheapest flight ticket from State of Washington to Oslo Gardermoen Airport

What is the cheapest month to fly to Oslo Gardermoen Airport?

How far in advance should I book a flight to Oslo Gardermoen Airport?

Can stopping save me money on State of Washington to Oslo Gardermoen Airport flights?

You could potentially save up to 67% on your flight if you consider stops on a State of Washington to Oslo Gardermoen Airport flight.

What is the cheapest airline that flies from Washington to Oslo Gardermoen?

SWISS, Icelandair, and Air France are the most popular carriers operating from Washington to Oslo Gardermoen

What airlines fly to Oslo Gardermoen Airport?

How long does it take to fly to Oslo Gardermoen Airport?

Cheap State of Washington to Oslo Gardermoen Airport flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Oslo Gardermoen Airport

Fastest flight time

Direct flights

When did momondo last update prices for flights from Washington to Oslo Gardermoen Airport?

How many operators does momondo search for flights from Washington to Oslo Gardermoen Airport?

How old do you have to be to fly from Washington to Oslo Gardermoen Airport?

What documentation or ID do you need to fly to Oslo Gardermoen Airport?

Best airlines flying from State of Washington to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from State of Washington to Oslo Gardermoen Airport with momondo

Traveling to a place near Oslo?

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Oslo?

Can I find flights from Washington to Oslo with flexible booking policies on momondo?

How can momondo help me find flights from Washington to Oslo?

I’m not ready to book a flight from Washington to Oslo right now. Can momondo alert me if prices change?

An easier way to manage your Oslo Gardermoen Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Oslo

Popular cities in Norway

Popular flights according to clicks in the last 7 days on momondo