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>

$319 Cheap Flights from Washington to Oslo

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

...and more

Travelers love KAYAK

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

Cheapest round-trip

$390

Typical prices: $419-$546

Icelandair

Sat 1/24Sat 1/31

SEA - OSL • 1 stop

Cheapest one-way

$319

Typical prices: $377-$497

Multiple Airlines

Mon 1/12

SEA - OSL • 3 stops

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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Washington to Oslo that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Sat, Jan 24 - Sat, Jan 31

2:35 pm - 8:35 pm

SEA

OSL

21h 00m1 stop

1:10 pm - 5:00 pm

OSL

SEA

12h 50m1 stop

$390Icelandair

Sun, Jan 11 - Mon, Jan 26

2:35 pm - 11:35 am

SEA

OSL

12h 00m1 stop

1:10 pm - 5:00 pm

OSL

SEA

12h 50m1 stop

$392Icelandair

Mon, Apr 6 - Mon, Apr 13

1:35 pm - 6:40 pm

SEA

OSL

20h 05m1 stop

5:05 pm - 6:25 pm

OSL

SEA

34h 20m1 stop

$467British Airways

Mon, Jan 12 - Sun, Jan 25

7:00 am - 8:40 am

PDX

OSL

16h 40m2 stops

9:50 am - 8:25 pm

OSL

PDX

19h 35m2 stops

$476KLM

Tue, Mar 17 - Wed, Apr 8

7:50 pm - 10:55 am

SEA

OSL

31h 05m1 stop

5:05 pm - 6:25 pm

OSL

SEA

34h 20m1 stop

$477British Airways

Mon, Jan 12 - Sun, Jan 25

7:00 am - 8:40 am

PDX

OSL

16h 40m2 stops

6:30 am - 11:25 am

OSL

PDX

13h 55m1 stop

$478KLM

Wed, Feb 18 - Fri, Feb 27

7:30 am - 11:40 pm

PDX

OSL

31h 10m2 stops

6:15 am - 6:55 pm

OSL

PDX

21h 40m2 stops

$502Lufthansa

Mon, Jan 12 - Sun, Jan 25

8:30 am - 5:40 pm

PDX

OSL

24h 10m2 stops

6:00 pm - 6:56 pm

OSL

PDX

33h 56m2 stops

$509Multiple Airlines

Thu, Jan 8 - Thu, Jan 15

1:24 pm - 3:40 pm

PDX

OSL

17h 16m2 stops

6:15 am - 12:39 am

OSL

PDX

27h 24m2 stops

$513Lufthansa

Thu, Apr 16 - Tue, Apr 21

7:00 pm - 9:10 pm

SEA

TRF

17h 10m2 stops

12:10 pm - 8:40 pm

TRF

SEA

17h 30m2 stops

$712Multiple Airlines

Useful Info

Cheapest flight	$319

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

Prem Econ Class flights to Oslo

Economy Class flights to Oslo

$319 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