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

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

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 45% of people opting to fly with this airline when traveling to State of Washington. Keep in mind that there are 4 different airlines that fly to State of Washington on a routine basis, so you have a few additional options to choose from.

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 March 2026, there are 6 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.

$305 Cheap Flights from Oslo Gardermoen Airport to State of Washington in 2026

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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 - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 12:35 pm

SEA

OSL

32h 35m

1 stop

$377Icelandair

Thu, Apr 2 - Thu, Apr 16

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 12:35 pm

SEA

OSL

32h 35m

1 stop

$393Icelandair

Thu, Apr 2 - Thu, Apr 16

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 12:35 pm

SEA

OSL

32h 35m

1 stop

$396Icelandair

Thu, Apr 2 - Thu, Apr 16

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

7:00 pm - 12:35 pm

SEA

OSL

32h 35m

1 stop

$397Icelandair

Thu, Apr 2 - Thu, Apr 16

9:20 am - 11:10 am

OSL

PDX

34h 50m

1 stop

1:05 pm - 6:35 pm

PDX

OSL

20h 30m

1 stop

$448KLM

Sun, Apr 12 - Mon, Apr 27

7:15 pm - 11:10 am

OSL

PDX

24h 55m

1 stop

1:05 pm - 1:40 pm

PDX

OSL

15h 35m

1 stop

$486KLM

Sun, Apr 12 - Mon, Apr 27

11:50 am - 4:30 pm

OSL

SEA

13h 40m

1 stop

9:15 am - 11:45 am

SEA

OSL

17h 30m

2 stops

$489Delta

Thu, Apr 2 - Thu, Apr 16

11:50 am - 8:59 pm

OSL

PDX

18h 09m

2 stops

1:05 pm - 4:20 pm

PDX

OSL

18h 15m

1 stop

$535Delta

Sun, Apr 5 - Sun, Apr 12

7:10 am - 6:34 pm

OSL

PDX

20h 24m

2 stops

3:30 pm - 10:05 pm

PDX

OSL

21h 35m

2 stops

$578Lufthansa

Sun, Apr 12 - Mon, Apr 27

7:10 am - 6:34 pm

OSL

PDX

20h 24m

2 stops

12:50 pm - 5:55 pm

PDX

OSL

20h 05m

2 stops

$580Lufthansa

Sun, Apr 12 - Mon, Apr 27

Lufthansa flights from Oslo Gardermoen Airport to State of Washington

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

Lufthansa

Apr 2

OSL6:45 amOslo Gardermoen

14h 35m

1 stop

SEA12:20 pmSeattle/Tacoma Intl

Apr 16

SEA2:39 pmSeattle/Tacoma Intl

18h 16m

2 stops

OSL5:55 pmOslo Gardermoen

$507

Lufthansa

Apr 2

OSL6:45 amOslo Gardermoen

21h 15m

2 stops

SEA7:00 pmSeattle/Tacoma Intl

Apr 16

SEA8:00 amSeattle/Tacoma Intl

21h 45m

2 stops

OSL2:45 pmOslo Gardermoen

$518

Lufthansa

Apr 12

OSL7:10 amOslo Gardermoen

20h 24m

2 stops

PDX6:34 pmPortland

Apr 27

PDX3:30 pmPortland

21h 35m

2 stops

OSL10:05 pmOslo Gardermoen

$578

American Airlines flights from Oslo Gardermoen Airport to State of Washington

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

American Airlines

Apr 22

OSL11:35 amOslo Gardermoen

33h 00m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Apr 26

SEA11:33 pmSeattle/Tacoma Intl

31h 47m

2 stops

OSL4:20 pmOslo Gardermoen

$552

American Airlines

Apr 22

OSL11:35 amOslo Gardermoen

33h 00m

1 stop

SEA11:35 amSeattle/Tacoma Intl

Apr 26

SEA3:17 pmSeattle/Tacoma Intl

34h 13m

2 stops

OSL10:30 amOslo Gardermoen

$553

American Airlines

Apr 18

OSL8:15 amOslo Gardermoen

24h 42m

2 stops

PDX11:57 pmPortland

Apr 21

PDX8:00 amPortland

23h 25m

2 stops

OSL4:25 pmOslo Gardermoen

$597

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

Thu 4/2

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 4/16

7:00 pm-12:35 pm

1 stop32h 35m

$377

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 4/2

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 4/16

7:00 pm-12:35 pm

1 stop32h 35m

$393

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 4/2

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 4/16

7:00 pm-12:35 pm

1 stop32h 35m

$396

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 4/2

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Thu 4/16

7:00 pm-12:35 pm

1 stop32h 35m

$397

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 4/12

9:20 am-11:10 am

1 stop34h 50m

Portland

Mon 4/27

1:05 pm-6:35 pm

1 stop20h 30m

$448

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 4/12

7:15 pm-11:10 am

1 stop24h 55m

Portland

Mon 4/27

1:05 pm-1:40 pm

1 stop15h 35m

$486

Quickest round-trip

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Thu 4/2

11:50 am-4:30 pm

1 stop13h 40m

Seattle/Tacoma Intl

Thu 4/16

9:15 am-11:45 am

2 stops17h 30m

$489

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 4/5

11:50 am-8:59 pm

2 stops18h 09m

Portland

Sun 4/12

1:05 pm-4:20 pm

1 stop18h 15m

$535

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 4/12

7:10 am-6:34 pm

2 stops20h 24m

Portland

Mon 4/27

3:30 pm-10:05 pm

2 stops21h 35m

$578

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 4/12

7:10 am-6:34 pm

2 stops20h 24m

Portland

Mon 4/27

12:50 pm-5:55 pm

2 stops20h 05m

$580

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 $504. 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 to State of 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 $610 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 $521 on momondo.

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

You could potentially save up to 57% 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 10m
Direct flights	None

The fastest flight from Oslo Gardermoen Airport to State of Washington takes 13h 10m

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

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 March 2026, there are 6 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
Lufthansa	PriceFrom $423	Free Cancellation	Rating 6.8 7,839 reviews	Search Lufthansa flights
Icelandair	PriceFrom $443	Free Cancellation	Rating 7.1 619 reviews	Search Icelandair flights
Delta	PriceFrom $455	Free Cancellation	Rating 7.9 8,275 reviews	Search Delta flights
Scandinavian Airlines	PriceFrom $603	Free Cancellation	Rating 7.3 1,708 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.