What airlines fly to State of Washington?

Icelandair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to State of Washington from Oslo Gardermoen Airport according to our data. Icelandair is the first choice among our users, with 51% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 3 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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

Finnair, British Airways, and American Airlines are the most popular carriers operating from Oslo Gardermoen to Washington

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

Prices for flights from Oslo Gardermoen Airport to Washington were last updated today.

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

As of April 2026, there are 5 operators available to choose from for flights from Oslo Gardermoen Airport to Washington.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Washington.

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

The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$369 Cheap Flights from Oslo Gardermoen Airport to State of Washington in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Oslo Gardermoen Airport to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:30 pm - 11:45 am

OSL

SEA

28h 15m

1 stop

7:00 pm - 12:35 pm

SEA

OSL

32h 35m

1 stop

$488Icelandair

Sat, May 23 - Mon, Jun 8

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 3:25 pm

SEA

OSL

11h 25m

1 stop

$519Icelandair

Thu, May 21 - Thu, May 28

6:30 am - 4:30 pm

OSL

SEA

19h 00m

1 stop

6:40 pm - 11:20 pm

SEA

OSL

19h 40m

1 stop

$554Multiple Airlines

Wed, May 20 - Wed, May 27

6:30 am - 4:30 pm

OSL

SEA

19h 00m

1 stop

6:40 pm - 11:20 pm

SEA

OSL

19h 40m

1 stop

$555Multiple Airlines

Wed, May 20 - Wed, May 27

6:30 am - 11:42 am

OSL

SEA

14h 12m

1 stop

9:30 am - 1:40 pm

SEA

OSL

19h 10m

2 stops

$558Delta

Wed, May 20 - Thu, May 28

6:30 am - 11:10 am

OSL

PDX

13h 40m

1 stop

1:05 pm - 8:40 am

PDX

OSL

34h 35m

1 stop

$560KLM

Thu, May 7 - Thu, May 21

6:30 am - 11:42 am

OSL

SEA

14h 12m

1 stop

10:35 am - 1:40 pm

SEA

OSL

18h 05m

2 stops

$560KLM

Wed, May 20 - Wed, May 27

6:30 am - 11:42 am

OSL

SEA

14h 12m

1 stop

9:30 am - 1:40 pm

SEA

OSL

19h 10m

2 stops

$561Delta

Wed, May 20 - Wed, May 27

9:55 am - 9:30 am

OSL

PDX

32h 35m

2 stops

7:45 pm - 5:55 pm

PDX

OSL

37h 10m

2 stops

$706Air Canada

Thu, May 7 - Thu, May 21

6:45 am - 9:30 am

OSL

PDX

35h 45m

2 stops

7:45 pm - 5:55 pm

PDX

OSL

37h 10m

2 stops

$707Air Canada

Thu, May 7 - Thu, May 21

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Icelandair flights from Oslo Gardermoen Airport to State of Washington

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

Icelandair

May 23

OSL4:30 pmOslo Gardermoen

28h 15m

1 stop

SEA11:45 amSeattle/Tacoma Intl

Jun 8

SEA7:00 pmSeattle/Tacoma Intl

32h 35m

1 stop

OSL12:35 pmOslo Gardermoen

$488

Icelandair

May 4

OSL1:50 pmOslo Gardermoen

15h 50m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 20

SEA11:25 pmSeattle/Tacoma Intl

31h 00m

1 stop

OSL3:25 pmOslo Gardermoen

$490

Icelandair

May 4

OSL1:50 pmOslo Gardermoen

15h 50m

1 stop

SEA8:40 pmSeattle/Tacoma Intl

May 20

SEA11:25 pmSeattle/Tacoma Intl

28h 10m

1 stop

OSL12:35 pmOslo Gardermoen

$493

Delta flights from Oslo Gardermoen Airport to State of Washington

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

Delta

May 20

OSL6:30 amOslo Gardermoen

14h 12m

1 stop

SEA11:42 amSeattle/Tacoma Intl

May 28

SEA9:30 amSeattle/Tacoma Intl

19h 10m

2 stops

OSL1:40 pmOslo Gardermoen

$558

Delta

May 20

OSL6:30 amOslo Gardermoen

14h 12m

1 stop

SEA11:42 amSeattle/Tacoma Intl

May 27

SEA9:30 amSeattle/Tacoma Intl

19h 10m

2 stops

OSL1:40 pmOslo Gardermoen

$561

Delta

May 20

OSL6:30 amOslo Gardermoen

21h 18m

2 stops

SEA6:48 pmSeattle/Tacoma Intl

May 28

SEA10:35 amSeattle/Tacoma Intl

15h 30m

2 stops

OSL11:05 amOslo Gardermoen

$563

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 5/23

4:30 pm-11:45 am

1 stop28h 15m

Seattle/Tacoma Intl

Mon 6/8

7:00 pm-12:35 pm

1 stop32h 35m

$488

Quickest round-trip

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 5/21

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 5/28

7:00 pm-3:25 pm

1 stop11h 25m

$519

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 5/20

6:30 am-4:30 pm

1 stop19h 00m

Seattle/Tacoma Intl

Wed 5/27

6:40 pm-11:20 pm

1 stop19h 40m

$554

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 5/20

6:30 am-4:30 pm

1 stop19h 00m

Seattle/Tacoma Intl

Wed 5/27

6:40 pm-11:20 pm

1 stop19h 40m

$555

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 5/20

6:30 am-11:42 am

1 stop14h 12m

Seattle/Tacoma Intl

Thu 5/28

9:30 am-1:40 pm

2 stops19h 10m

$558

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 5/7

6:30 am-11:10 am

1 stop13h 40m

Portland

Thu 5/21

1:05 pm-8:40 am

1 stop34h 35m

$560

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 5/20

6:30 am-11:42 am

1 stop14h 12m

Seattle/Tacoma Intl

Wed 5/27

10:35 am-1:40 pm

2 stops18h 05m

$560

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Wed 5/20

6:30 am-11:42 am

1 stop14h 12m

Seattle/Tacoma Intl

Wed 5/27

9:30 am-1:40 pm

2 stops19h 10m

$561

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 5/7

9:55 am-9:30 am

2 stops32h 35m

Portland

Thu 5/21

7:45 pm-5:55 pm

2 stops37h 10m

$706

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 5/7

6:45 am-9:30 am

2 stops35h 45m

Portland

Thu 5/21

7:45 pm-5:55 pm

2 stops37h 10m

$707

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 Oslo Gardermoen Airport to State of Washington

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

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

The month of October is, on average, the cheapest month to fly to State of Washington from Oslo Gardermoen Airport, with most prices found around $507. If you aren’t able to travel to State of Washington during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $511.

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

You are more likely to see cheaper flights to State of Washington from Oslo Gardermoen Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to State of Washington for around $608 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to State of Washington from Oslo Gardermoen Airport for as low as $559 on momondo.

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

You could potentially save up to 25% on your flight if you consider stops on a Oslo Gardermoen Airport to State of Washington flight.

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

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

Fastest flight time	13h 05m
Direct flights	None

The fastest flight from Oslo Gardermoen Airport to State of Washington takes 13h 05m

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

Search flight deals

Frequently asked questions about flying from Oslo Gardermoen Airport to Washington

When did momondo last update prices for flights from Oslo Gardermoen Airport to Washington?
Prices for flights from Oslo Gardermoen Airport to Washington were last updated today.
How many operators does momondo search for flights from Oslo Gardermoen Airport to Washington?
As of April 2026, there are 5 operators available to choose from for flights from Oslo Gardermoen Airport to Washington.
How old do you have to be to fly from Oslo Gardermoen Airport to Washington?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Oslo Gardermoen Airport to Washington.
What documentation or ID do you need to fly to Washington?
The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Oslo Gardermoen Airport to State of Washington

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $443	Free Cancellation	Rating 7.0 641 reviews	Search Icelandair flights
Lufthansa	PriceFrom $474	Free Cancellation	Rating 6.8 7,950 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 1,761 reviews	Search Scandinavian Airlines flights

Why use momondo?

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

It is quick and easy to find Oslo to Washington 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 Washington that suits you.

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

Yes. All flights to Washington from Oslo on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo helps you find the best flight between Oslo and Washington by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Washington from Oslo. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.