What airlines fly to Oslo?

Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to Oslo 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. Keep in mind that there are 10 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to Oslo?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in Oslo you fly into. For example, flying from Seattle to Oslo Gardermoen Airport takes 11h 25m on average. On the other hand, flying from Spokane to Oslo Gardermoen Airport takes 17h 02m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

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

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

Prices for flights from Washington to Oslo are updated daily.

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

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

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

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.

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

The required travel and health documents for your Oslo trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oslo. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$214 Cheap Flights from Washington to Oslo in 2026

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Find the cheapest flights from Washington to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

Mon, Mar 9 - Wed, 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

Mon, Feb 16 - Sun, 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

Fri, May 8 - Thu, May 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

Mon, Apr 20 - Mon, Apr 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

Wed, Feb 25 - Wed, 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

Wed, Feb 18 - Fri, Feb 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

Wed, Feb 18 - Fri, Feb 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

Wed, Feb 25 - Wed, 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

Mon, Feb 23 - Fri, Feb 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

Sun, Mar 15 - Sun, Mar 22

Icelandair flights from State of Washington to Oslo

Our best Icelandair deals on State of Washington to Oslo 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

Our best Delta deals on State of Washington to Oslo 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

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Wed 3/25

1:10 pm-6:00 pm

1 stop12h 50m

$365

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Mon 2/16

2:35 pm-11:35 am

1 stop12h 00m

Oslo Gardermoen

Sun 3/1

9:30 pm-5:00 pm

1 stop28h 30m

$369

SeattleOslo

SEA - OSL

SEAOSL

Seattle/Tacoma Intl

Fri 5/8

3:40 pm-3:25 pm

1 stop14h 45m

Oslo Gardermoen

Thu 5/21

1:50 pm-8:40 pm

1 stop15h 50m

$380

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

6:05 pm-8:40 pm

2 stops17h 35m

Oslo Gardermoen

Mon 4/27

6:30 am-5:10 pm

2 stops19h 40m

$476

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/25

10:05 am-2:45 pm

2 stops19h 40m

Oslo Gardermoen

Wed 3/4

6:25 am-3:11 pm

2 stops17h 46m

$477

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

Fri 2/27

6:30 am-11:25 am

1 stop13h 55m

$480

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

7:00 am-8:40 am

2 stops16h 40m

Oslo Gardermoen

Fri 2/27

6:25 am-4:08 pm

2 stops18h 43m

$489

SpokaneOslo

GEG - OSL

GEGOSL

Spokane

Wed 2/25

7:00 am-11:40 pm

2 stops31h 40m

Oslo Gardermoen

Wed 3/4

6:05 am-9:17 pm

2 stops24h 12m

$508

SpokaneOslo

GEG - OSL

GEGOSL

Spokane

Mon 2/23

6:00 am-10:40 pm

2 stops31h 40m

Oslo Gardermoen

Fri 2/27

7:10 am-9:12 pm

2 stops23h 02m

$624

SpokaneOslo

GEG - OSL

GEGOSL

Spokane

Sun 3/15

1:37 pm-11:30 pm

2 stops25h 53m

Oslo Gardermoen

Sun 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

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?

The month of January is, on average, the cheapest month to fly to Oslo from State of Washington, with most prices found around $422. If you’re not able to fly to Oslo in January, then November is your next best option. Flight prices from State of Washington to Oslo during November average around $482.

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

You are more likely to see cheaper flights to Oslo from State of Washington when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo 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 from State of Washington for as low as $533 on momondo.

Cheap State of Washington to Oslo flight deals and tips

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

Fastest flight time	11h 20m
Direct flights	None

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

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

Search flight deals

When did momondo last update prices for flights from Washington to Oslo?
Prices for flights from Washington to Oslo are updated daily.
How many operators does momondo search for flights from Washington to Oslo?
There are 10 operators available for flights from Washington to Oslo as of January 2026.
How old do you have to be to fly from Washington to Oslo?
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.
What documentation or ID do you need to fly to Oslo?
The required travel and health documents for your Oslo trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oslo. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Oslo

Compare and see reviews for airlines that fly from State of Washington to Oslo 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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Oslo. Millions of users trust and use momondo every year so you are in good hands.

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?

Of course. momondo tracks the price of Washington to Oslo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Norway

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

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

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See travel insights to Oslo from

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

What is the cheapest month to fly to Oslo?

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

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

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

What airlines fly to Oslo?

How long does it take to fly to Oslo?

Cheap State of Washington to Oslo flight deals and tips

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

Fastest flight time

Direct flights

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

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

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

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

Best airlines flying from State of Washington to Oslo

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

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 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 Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo