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 16h 45m 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?

Icelandair, Air Canada, and KLM are the most popular carriers operating from Washington to Oslo

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 65% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 7 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

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 7 operators available for flights from Washington to Oslo as of August 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.

$217 Cheap Flights from Washington to Oslo in 2026

Discover deals from 900+ travel sites with momondo.

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.

7:00 pm - 3:25 pmPDX Portland-OSL Oslo Gardermoen

11h 25m1 stop Reykjavik Keflavik Intl

4:30 pm - 5:55 pmOSL Oslo Gardermoen-PDX Portland

34h 25m1 stop Reykjavik Keflavik Intl

$423Icelandair

Sun, Sep 6 - Mon, Sep 21

7:00 pm - 3:25 pmPDX Portland-OSL Oslo Gardermoen

11h 25m1 stop Reykjavik Keflavik Intl

4:30 pm - 5:55 pmOSL Oslo Gardermoen-PDX Portland

34h 25m1 stop Reykjavik Keflavik Intl

$443Icelandair

Sun, Sep 6 - Mon, Sep 21

10:00 am - 5:40 pmPDX Portland-OSL Oslo Gardermoen

22h 40m2 stops Vancouver Intl Munich Franz Josef Strauss

6:15 am - 6:31 pmOSL Oslo Gardermoen-PDX Portland

21h 16m2 stops Frankfurt am Main Vancouver Intl

$474Multiple Airlines

Tue, Jan 19 - Wed, Jan 27

2:34 pm - 5:40 pmPDX Portland-OSL Oslo Gardermoen

18h 06m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

1:00 pm - 11:12 pmOSL Oslo Gardermoen-PDX Portland

43h 12m2 stops Zurich Chicago O'Hare Intl

$484Multiple Airlines

Mon, Nov 2 - Mon, Nov 16

3:55 pm - 2:55 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

14h 00m1 stop Kastrup Copenhagen

4:00 pm - 1:45 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

30h 45m1 stop Kastrup Copenhagen

$493Scandinavian Airlines

Sun, Oct 4 - Sat, Oct 10

3:55 pm - 12:55 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

12h 00m1 stop Kastrup Copenhagen

4:00 pm - 1:45 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

30h 45m1 stop Kastrup Copenhagen

$497Scandinavian Airlines

Sun, Oct 4 - Fri, Oct 9

2:50 pm - 5:40 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

17h 50m1 stop Munich Franz Josef Strauss

6:25 pm - 1:00 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

27h 35m1 stop Munich Franz Josef Strauss

$498Lufthansa

Sun, Nov 1 - Tue, Nov 10

2:50 pm - 5:40 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

17h 50m1 stop Munich Franz Josef Strauss

6:25 pm - 1:00 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

27h 35m1 stop Munich Franz Josef Strauss

$499Lufthansa

Sun, Nov 1 - Tue, Nov 10

2:50 pm - 5:40 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

17h 50m1 stop Munich Franz Josef Strauss

11:50 am - 1:00 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

34h 10m1 stop Munich Franz Josef Strauss

$500United Airlines

Sun, Nov 8 - Sat, Nov 21

6:50 pm - 10:05 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

18h 15m1 stop Munich Franz Josef Strauss

7:10 am - 4:59 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

18h 49m1 stop Munich Franz Josef Strauss

$502United Airlines

Sun, Aug 23 - Sun, Sep 6

Cheap last minute flights

Enter your travel dates to find the best prices.

6:50 pm - 10:05 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

18h 15m1 stop Munich Franz Josef Strauss

6:15 am - 11:55 amOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

14h 40m1 stop Frankfurt am Main

$498United Airlines

Sat, Aug 15 - Sat, Aug 22

8:10 am - 5:15 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

24h 05m2 stops Washington, D.C. Dulles Intl Brussels Bruxelles-National

7:10 am - 4:59 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

18h 49m1 stop Munich Franz Josef Strauss

$498United Airlines

Mon, Aug 17 - Thu, Aug 20

6:50 pm - 10:05 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

18h 15m1 stop Munich Franz Josef Strauss

5:35 am - 7:07 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

22h 32m2 stops Zurich Chicago O'Hare Intl

$499Multiple Airlines

Sun, Aug 16 - Thu, Aug 27

6:50 pm - 10:05 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

18h 15m1 stop Munich Franz Josef Strauss

6:45 am - 9:07 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

23h 22m2 stops Brussels Bruxelles-National Toronto Pearson Intl

$505Multiple Airlines

Sun, Aug 16 - Thu, Aug 27

6:50 pm - 10:05 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

18h 15m1 stop Munich Franz Josef Strauss

6:45 am - 11:55 amOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

14h 10m1 stop Frankfurt am Main

$506Lufthansa

Sun, Aug 16 - Thu, Aug 27

11:25 pm - 3:25 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

31h 00m1 stop Reykjavik Keflavik Intl

4:30 pm - 11:45 amOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

28h 15m1 stop Reykjavik Keflavik Intl

$519Icelandair

Mon, Aug 17 - Mon, Aug 24

11:25 pm - 3:25 pmSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

31h 00m1 stop Reykjavik Keflavik Intl

4:30 pm - 11:45 amOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

28h 15m1 stop Reykjavik Keflavik Intl

$519Icelandair

Mon, Aug 17 - Sun, Aug 23

6:50 pm - 9:05 amSEA Seattle/Tacoma Intl-OSL Oslo Gardermoen

29h 15m2 stops Munich Franz Josef Strauss Frankfurt am Main

7:10 am - 4:59 pmOSL Oslo Gardermoen-SEA Seattle/Tacoma Intl

18h 49m1 stop Munich Franz Josef Strauss

$532Lufthansa

Fri, Aug 14 - Wed, Aug 19

7:05 am - 11:50 amPDX Portland-OSL Oslo Gardermoen

19h 45m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:30 am - 11:10 amOSL Oslo Gardermoen-PDX Portland

13h 40m1 stop Amsterdam Schiphol

$562Delta

Sat, Aug 15 - Sun, Aug 23

7:05 am - 11:50 amPDX Portland-OSL Oslo Gardermoen

19h 45m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

6:30 am - 5:34 pmOSL Oslo Gardermoen-PDX Portland

20h 04m2 stops Paris Charles de Gaulle Minneapolis St Paul

$572Delta

Sat, Aug 15 - Sun, Aug 23

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Icelandair flights from State of Washington to Oslo

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

Icelandair

Sep 6

PDX7:00 pmPortland

11h 25m

1 stop

OSL3:25 pmOslo Gardermoen

Sep 21

OSL4:30 pmOslo Gardermoen

34h 25m

1 stop

PDX5:55 pmPortland

$423

Icelandair

Sep 6

PDX7:00 pmPortland

11h 25m

1 stop

OSL3:25 pmOslo Gardermoen

Sep 21

OSL4:30 pmOslo Gardermoen

34h 25m

1 stop

PDX5:55 pmPortland

$443

Icelandair

Oct 31

PDX3:45 pmPortland

11h 50m

1 stop

OSL11:35 amOslo Gardermoen

Nov 4

OSL1:10 pmOslo Gardermoen

12h 50m

1 stop

PDX5:00 pmPortland

$445

Lufthansa flights from State of Washington to Oslo

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

Lufthansa

Nov 2

PDX2:34 pmPortland

18h 06m

2 stops

OSL5:40 pmOslo Gardermoen

Nov 9

OSL11:50 amOslo Gardermoen

21h 54m

2 stops

PDX12:44 amPortland

$489

Lufthansa

Nov 1

SEA2:50 pmSeattle/Tacoma Intl

17h 50m

1 stop

OSL5:40 pmOslo Gardermoen

Nov 10

OSL6:25 pmOslo Gardermoen

27h 35m

1 stop

SEA1:00 pmSeattle/Tacoma Intl

$499

Lufthansa

Aug 21

SEA6:50 pmSeattle/Tacoma Intl

18h 15m

1 stop

OSL10:05 pmOslo Gardermoen

Sep 1

OSL7:10 amOslo Gardermoen

18h 49m

1 stop

SEA4:59 pmSeattle/Tacoma Intl

$501

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 9/6

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Mon 9/21

4:30 pm-5:55 pm

1 stop34h 25m

$423

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 9/6

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Mon 9/21

4:30 pm-5:55 pm

1 stop34h 25m

$443

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 1/19

10:00 am-5:40 pm

2 stops22h 40m

Oslo Gardermoen

Wed 1/27

6:15 am-6:31 pm

2 stops21h 16m

$474

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 11/2

2:34 pm-5:40 pm

2 stops18h 06m

Oslo Gardermoen

Mon 11/16

1:00 pm-11:12 pm

2 stops43h 12m

$484

SeattleOslo

SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen

SEAOSL

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-2:55 pm

1 stop14h 00m

Oslo Gardermoen

Sat 10/10

4:00 pm-1:45 pm

1 stop30h 45m

$493

SeattleOslo

SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen

SEAOSL

Seattle/Tacoma Intl

Sun 10/4

3:55 pm-12:55 pm

1 stop12h 00m

Oslo Gardermoen

Fri 10/9

4:00 pm-1:45 pm

1 stop30h 45m

$497

SeattleOslo

SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen

SEAOSL

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-5:40 pm

1 stop17h 50m

Oslo Gardermoen

Tue 11/10

6:25 pm-1:00 pm

1 stop27h 35m

$498

SeattleOslo

SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen

SEAOSL

Seattle/Tacoma Intl

Sun 11/1

2:50 pm-5:40 pm

1 stop17h 50m

Oslo Gardermoen

Tue 11/10

6:25 pm-1:00 pm

1 stop27h 35m

$499

SeattleOslo

SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen

SEAOSL

Seattle/Tacoma Intl

Sun 11/8

2:50 pm-5:40 pm

1 stop17h 50m

Oslo Gardermoen

Sat 11/21

11:50 am-1:00 pm

1 stop34h 10m

$500

Quickest round-trip

SeattleOslo

SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen

SEAOSL

Seattle/Tacoma Intl

Sun 8/23

6:50 pm-10:05 pm

1 stop18h 15m

Oslo Gardermoen

Sun 9/6

7:10 am-4:59 pm

1 stop18h 49m

$502

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 $502.

How far in advance should I book a flight from Washington 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 $565 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 $543 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 25m
Direct flights	None

The fastest flight from State of Washington to Oslo takes 11h 25m

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

Frequently asked questions about flying 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 7 operators available for flights from Washington to Oslo as of August 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 $351	Free Cancellation	Rating 6.7 8,161 reviews	Search British Airways flights
Icelandair	PriceFrom $393	Free Cancellation	Rating 6.9 729 reviews	Search Icelandair flights
Scandinavian Airlines	PriceFrom $426	Free Cancellation	Rating 7.4 1,950 reviews	Search Scandinavian Airlines flights
Delta	PriceFrom $468	Free Cancellation	Rating 7.8 8,503 reviews	Search Delta flights
United Airlines	PriceFrom $491	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Lufthansa	PriceFrom $493	Free Cancellation	Rating 6.8 8,185 reviews	Search Lufthansa flights
KLM	PriceFrom $506	Free Cancellation	Rating 7.8 1,557 reviews	Search KLM 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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Cheap flights from Washington to Oslo from $217

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 11/18. 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

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

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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 from Washington to Oslo?

What is the cheapest airline that flies 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

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington 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?

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

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