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 according to our data. Icelandair is the first choice among our users, with 49% 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 to Washington?

Finnair and American Airlines are the most popular carriers operating from Oslo to Washington

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

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

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

There are 5 operators available for flights from Oslo to Washington as of April 2026.

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

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 Oslo 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.

$398 Cheap Flights from Oslo to Washington in 2026

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Find the cheapest flights from Oslo to Washington

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:50 pm - 6:00 pm

OSL

PDX

13h 10m

1 stop

7:05 pm - 12:35 pm

PDX

OSL

32h 30m

1 stop

$484Icelandair

Sun, May 10 - Sun, May 24

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

$493Icelandair

Tue, May 26 - Tue, Jun 2

9:20 am - 9:05 pm

OSL

SEA

20h 45m

2 stops

10:05 pm - 8:40 pm

SEA

OSL

13h 35m

1 stop

$547Delta

Sat, May 16 - Mon, Jun 1

8:35 am - 4:00 pm

OSL

SEA

16h 25m

1 stop

8:20 pm - 11:20 pm

SEA

OSL

18h 00m

1 stop

$554Multiple Airlines

Tue, Jun 2 - Tue, Jun 9

9:20 am - 4:30 pm

OSL

SEA

16h 10m

1 stop

9:30 am - 11:05 am

SEA

OSL

16h 35m

2 stops

$557Delta

Fri, May 15 - Tue, May 19

6:00 am - 1:45 pm

TRF

SEA

16h 45m

1 stop

3:55 pm - 2:30 pm

SEA

TRF

13h 35m

1 stop

$604Scandinavian Airlines

Tue, May 26 - Tue, Jun 2

6:00 am - 1:45 pm

TRF

SEA

16h 45m

1 stop

3:55 pm - 12:25 am

SEA

TRF

23h 30m

1 stop

$681Scandinavian Airlines

Sat, May 23 - Sun, May 31

6:55 am - 9:30 am

OSL

PDX

35h 35m

2 stops

10:10 am - 1:15 pm

PDX

OSL

42h 05m

2 stops

$702Air Canada

Tue, May 26 - Mon, Jun 8

6:55 am - 7:05 pm

OSL

PDX

21h 10m

2 stops

3:30 pm - 6:00 pm

PDX

OSL

17h 30m

2 stops

$705Air Canada

Tue, May 26 - Tue, Jun 9

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Delta flights from Oslo to State of Washington

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

Delta

May 16

OSL11:50 amOslo Gardermoen

18h 15m

2 stops

SEA9:05 pmSeattle/Tacoma Intl

Jun 1

SEA10:05 pmSeattle/Tacoma Intl

13h 35m

1 stop

OSL8:40 pmOslo Gardermoen

$547

Delta

May 15

OSL9:20 amOslo Gardermoen

16h 10m

1 stop

SEA4:30 pmSeattle/Tacoma Intl

May 19

SEA9:30 amSeattle/Tacoma Intl

16h 35m

2 stops

OSL11:05 amOslo Gardermoen

$557

Delta

May 16

OSL9:20 amOslo Gardermoen

20h 45m

2 stops

SEA9:05 pmSeattle/Tacoma Intl

Jun 1

SEA7:30 amSeattle/Tacoma Intl

18h 35m

2 stops

OSL11:05 amOslo Gardermoen

$558

British Airways flights from Oslo to State of Washington

Our best British Airways deals on Oslo to State of Washington flight tickets

British Airways

Jun 4

OSL7:45 amOslo Gardermoen

23h 47m

2 stops

SEA10:32 pmSeattle/Tacoma Intl

Jun 7

SEA3:05 pmSeattle/Tacoma Intl

23h 35m

2 stops

OSL11:40 pmOslo Gardermoen

$586

British Airways

Jun 4

OSL7:45 amOslo Gardermoen

23h 47m

2 stops

SEA10:32 pmSeattle/Tacoma Intl

Jun 7

SEA3:05 pmSeattle/Tacoma Intl

23h 35m

2 stops

OSL11:40 pmOslo Gardermoen

$587

British Airways

Jun 4

OSL7:45 amOslo Gardermoen

23h 47m

2 stops

SEA10:32 pmSeattle/Tacoma Intl

Jun 7

SEA6:00 amSeattle/Tacoma Intl

32h 40m

2 stops

OSL11:40 pmOslo Gardermoen

$589

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Sun 5/10

1:50 pm-6:00 pm

1 stop13h 10m

Portland

Sun 5/24

7:05 pm-12:35 pm

1 stop32h 30m

$484

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

Tue 5/26

4:30 pm-8:40 pm

1 stop13h 10m

Seattle/Tacoma Intl

Tue 6/2

7:00 pm-3:25 pm

1 stop11h 25m

$493

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Sat 5/16

9:20 am-9:05 pm

2 stops20h 45m

Seattle/Tacoma Intl

Mon 6/1

10:05 pm-8:40 pm

1 stop13h 35m

$547

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Tue 6/2

8:35 am-4:00 pm

1 stop16h 25m

Seattle/Tacoma Intl

Tue 6/9

8:20 pm-11:20 pm

1 stop18h 00m

$554

OsloSeattle

OSL - SEA

OSLSEA

Oslo Gardermoen

Fri 5/15

9:20 am-4:30 pm

1 stop16h 10m

Seattle/Tacoma Intl

Tue 5/19

9:30 am-11:05 am

2 stops16h 35m

$557

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 5/26

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Tue 6/2

3:55 pm-2:30 pm

1 stop13h 35m

$604

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 5/23

6:00 am-1:45 pm

1 stop16h 45m

Seattle/Tacoma Intl

Sun 5/31

3:55 pm-12:25 am

1 stop23h 30m

$681

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 5/26

6:55 am-9:30 am

2 stops35h 35m

Portland

Mon 6/8

10:10 am-1:15 pm

2 stops42h 05m

$702

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 5/26

6:55 am-7:05 pm

2 stops21h 10m

Portland

Tue 6/9

3:30 pm-6:00 pm

2 stops17h 30m

$705

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 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 November is, on average, the cheapest month to fly to State of Washington from Oslo, with most prices found around $301. If you aren’t able to travel to State of Washington during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $309.

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

You are more likely to see cheaper flights to State of Washington from Oslo 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 for as low as $559 on momondo.

Cheap Oslo to State of Washington flight deals and tips

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

Fastest flight time	12h 10m
Direct flights	None

The fastest flight from Oslo to State of Washington takes 12h 10m

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

Search flight deals

Frequently asked questions about flying from Oslo to Washington

When did momondo last update prices for flights from Oslo to Washington?
Prices for flights from Oslo to Washington were last updated today.
How many operators does momondo search for flights from Oslo to Washington?
There are 5 operators available for flights from Oslo to Washington as of April 2026.
How old do you have to be to fly from Oslo to Washington?
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 Oslo 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 to State of Washington

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

Airline	Rating	Free Cancellation	Price
Icelandair	PriceFrom $443	Free Cancellation	Rating 7.0 646 reviews	Search Icelandair flights
Lufthansa	PriceFrom $474	Free Cancellation	Rating 6.8 7,962 reviews	Search Lufthansa flights
Scandinavian Airlines	PriceFrom $588	Free Cancellation	Rating 7.4 1,767 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?

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

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

Once all potential Oslo to Washington 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 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.