How does KAYAK find such low prices on flights from Washington to Oslo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Oslo. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Oslo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Washington is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Washington to Oslo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Washington with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Oslo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$214 CHEAP FLIGHTS from Washington to Oslo

KAYAK searches hundreds of travel sites at once for deals on flights to Oslo

...and more

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Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$369

Typical prices: $504-$674

Icelandair

Mon 2/16Sun 3/1

SEA - OSL • 1 stop

Cheapest one-way

$214

Typical prices: $416-$556

Icelandair

Thu 5/7

SEA - OSL • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Oslo!

Flight Deals

Cheap Flights from Washington to Oslo

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Washington to Oslo

Mon, Feb 16 - Sun, Mar 1

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, Apr 20 - Mon, Apr 27

3:30 pm - 3:25 pm

PDX

OSL

14h 55m

1 stop

1:50 pm - 6:00 pm

OSL

PDX

13h 10m

1 stop

$397Icelandair

Tue, Mar 31 - Wed, Apr 8

3:40 pm - 12:35 pm

SEA

OSL

11h 55m

1 stop

1:50 pm - 8:40 pm

OSL

SEA

15h 50m

1 stop

$397Icelandair

Mon, Mar 30 - Sun, Apr 5

7:00 pm - 3:25 pm

SEA

OSL

11h 25m

1 stop

4:30 pm - 8:40 pm

OSL

SEA

13h 10m

1 stop

$398Icelandair

Mon, Apr 20 - Mon, Apr 27

1:25 pm - 6:45 pm

PDX

OSL

20h 20m

2 stops

6:30 am - 5:10 pm

OSL

PDX

19h 40m

2 stops

$478Delta

Mon, Apr 20 - Mon, Apr 27

7:32 pm - 8:40 pm

PDX

OSL

16h 08m

2 stops

6:30 am - 5:32 pm

OSL

PDX

20h 02m

2 stops

$479Delta

Sun, Mar 29 - Thu, Apr 9

1:05 pm - 8:45 am

PDX

OSL

34h 40m

1 stop

11:50 am - 7:25 pm

OSL

PDX

16h 35m

2 stops

$487KLM

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

$490Multiple Airlines

Tue, Mar 10 - Tue, May 5

1:37 pm - 11:40 pm

GEG

OSL

26h 03m

2 stops

6:55 am - 9:40 pm

OSL

GEG

23h 45m

2 stops

$555Lufthansa

Mon, Apr 20 - Mon, Apr 27

3:30 pm - 12:25 am

PDX

TRF

23h 55m

2 stops

6:00 am - 6:00 pm

TRF

PDX

21h 00m

2 stops

$764Multiple Airlines

Useful Info

Cheapest flight	$214

Flight from Seattle to Oslo Airport

How does KAYAK find such low prices on flights from Washington to Oslo?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Oslo.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Oslo?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Washington is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Washington to Oslo?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Washington with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Oslo?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Oslo

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Washington

First Class flights to Oslo

Business Class flights to Oslo

Premium Economy Class flights to Oslo

Economy Class flights to Oslo

$218 Find Cheap Flights from Washington to Oslo

KAYAK searches hundreds of travel sites at once for deals on flights to Oslo

Everything you should know

Cheap Flights from Washington to Oslo

Recent round-trip flight deals from Washington to Oslo

Recent one-way flight deals from Washington to Oslo

Recent last minute flight deals from Washington to Oslo

Good to know

FAQs for booking flights from Washington to Oslo

How does KAYAK find such low prices on flights from Washington to Oslo?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Washington to Oslo.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Washington to Oslo?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Oslo from Washington is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Washington to Oslo?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Oslo with an airline and back to Washington with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Washington to Oslo?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Oslo from Washington up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Oslo

Cabin class types available on flights to Washington

Complete your trip to Oslo with a hotel stay or car rental

Find direct flights for Oslo

Flights to other popular destinations

Flights from domestic origins to Oslo

Choose which airport to fly into in Oslo

Find deals for your return flight