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Cheap flights from Washington to Oslo from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Oslo departing on 4/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
3:55 pm - 2:30 pm
SEA
-
TRF
13h 35m
1 stop
Scandinavian Airlines Logo
3:05 pm - 1:45 pm
TRF
-
SEA
31h 40m
1 stop
$638Scandinavian Airlines
Tue, Aug 11 - Thu, Aug 20
Scandinavian Airlines Logo
3:55 pm - 8:25 pm
SEA
-
TRF
19h 30m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
TRF
-
SEA
16h 45m
1 stop
$651Scandinavian Airlines
Sun, Aug 2 - Tue, Aug 11
Scandinavian Airlines Logo
3:55 pm - 8:25 pm
SEA
-
TRF
19h 30m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
TRF
-
SEA
16h 45m
1 stop
$661Scandinavian Airlines
Sun, Aug 2 - Fri, Aug 21
Scandinavian Airlines Logo
3:55 pm - 8:25 pm
SEA
-
TRF
19h 30m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
TRF
-
SEA
16h 45m
1 stop
$678Scandinavian Airlines
Sun, Aug 2 - Fri, Aug 21
Scandinavian Airlines Logo
3:55 pm - 8:25 pm
SEA
-
TRF
19h 30m
1 stop
Scandinavian Airlines Logo
6:00 am - 1:45 pm
TRF
-
SEA
16h 45m
1 stop
$679Scandinavian Airlines
Sun, Aug 2 - Tue, Aug 11
Scandinavian Airlines Logo
3:55 pm - 8:25 pm
SEA
-
TRF
19h 30m
1 stop
Scandinavian Airlines Logo
5:10 pm - 1:45 pm
TRF
-
SEA
29h 35m
1 stop
$685Scandinavian Airlines
Sun, Jul 5 - Sat, Aug 1
Scandinavian Airlines Logo
3:55 pm - 12:25 am
SEA
-
TRF
23h 30m
1 stop
Scandinavian Airlines Logo
3:05 pm - 1:45 pm
TRF
-
SEA
31h 40m
1 stop
$688Scandinavian Airlines
Tue, Aug 11 - Thu, Aug 20
Scandinavian Airlines Logo
3:55 pm - 2:30 pm
SEA
-
TRF
13h 35m
1 stop
Scandinavian Airlines Logo
3:05 pm - 1:45 pm
TRF
-
SEA
31h 40m
1 stop
$689Scandinavian Airlines
Tue, Aug 11 - Thu, Aug 20
Multiple Airlines Logo
7:45 pm - 11:45 pm
GEG
-
TRF
43h 00m
3 stops
Multiple Airlines Logo
12:10 pm - 9:01 pm
TRF
-
GEG
17h 51m
3 stops
$892Multiple Airlines
Mon, Aug 17 - Fri, Aug 28
Multiple Airlines Logo
7:45 pm - 9:10 pm
GEG
-
TRF
40h 25m
3 stops
Multiple Airlines Logo
12:10 pm - 10:25 pm
TRF
-
GEG
19h 15m
3 stops
$942Multiple Airlines
Tue, Aug 18 - Sat, Aug 29

Scandinavian Airlines flights from State of Washington to Oslo Sandefjord Airport

Our best Scandinavian Airlines deals on State of Washington to Oslo Sandefjord Airport flight tickets
Scandinavian Airlines
Aug 11
SEA3:55 pmSeattle/Tacoma Intl
13h 35m
1 stop
TRF2:30 pmOslo Sandefjord
Aug 20
TRF3:05 pmOslo Sandefjord
31h 40m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$638
Scandinavian Airlines
Aug 2
SEA3:55 pmSeattle/Tacoma Intl
19h 30m
1 stop
TRF8:25 pmOslo Sandefjord
Aug 11
TRF6:00 amOslo Sandefjord
16h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$651
Scandinavian Airlines
Aug 2
SEA3:55 pmSeattle/Tacoma Intl
19h 30m
1 stop
TRF8:25 pmOslo Sandefjord
Aug 21
TRF6:00 amOslo Sandefjord
16h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$661

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Oslo Sandefjord Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated April 18, 2026.
Use the filters below to find and compare flights from Washington to Oslo Sandefjord Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 8/11

3:55 pm-2:30 pm

1 stop13h 35m

Oslo Sandefjord

Thu 8/20

3:05 pm-1:45 pm

1 stop31h 40m

$638
Quickest round-trip

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 8/2

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Tue 8/11

6:00 am-1:45 pm

1 stop16h 45m

$651

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 8/2

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Fri 8/21

6:00 am-1:45 pm

1 stop16h 45m

$661

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 8/2

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Fri 8/21

6:00 am-1:45 pm

1 stop16h 45m

$678

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 8/2

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Tue 8/11

6:00 am-1:45 pm

1 stop16h 45m

$679

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 7/5

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Sat 8/1

5:10 pm-1:45 pm

1 stop29h 35m

$685

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 8/11

3:55 pm-12:25 am

1 stop23h 30m

Oslo Sandefjord

Thu 8/20

3:05 pm-1:45 pm

1 stop31h 40m

$688

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 8/11

3:55 pm-2:30 pm

1 stop13h 35m

Oslo Sandefjord

Thu 8/20

3:05 pm-1:45 pm

1 stop31h 40m

$689

SpokaneOslo

GEG - TRF

GEGTRF

Spokane

Mon 8/17

7:45 pm-11:45 pm

3 stops43h 00m

Oslo Sandefjord

Fri 8/28

12:10 pm-9:01 pm

3 stops17h 51m

$892

SpokaneOslo

GEG - TRF

GEGTRF

Spokane

Tue 8/18

7:45 pm-9:10 pm

3 stops40h 25m

Oslo Sandefjord

Sat 8/29

12:10 pm-10:25 pm

3 stops19h 15m

$942

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Oslo from

How to get the cheapest flight ticket from State of Washington to Oslo Sandefjord Airport

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

How long does it take to fly to Oslo Sandefjord Airport?

Flight times vary depending on what airport in State of Washington you fly out of and what airport in Oslo Sandefjord Airport you fly into. For example, flying from Seattle to Oslo Gardermoen Airport takes 11h 25m on average. On the other hand, flying from Spokane to Oslo Gardermoen Airport takes 14h 49m on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo if there are any available for your route.

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

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

Fastest flight time

14h 00m

Direct flights

None
The fastest flight from State of Washington to Oslo Sandefjord Airport takes 14h 00m
There are no direct flights from State of Washington to Oslo Sandefjord Airport. There are no popular flight routes from State of Washington to Oslo Sandefjord Airport.
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Frequently asked questions about flying from Washington to Oslo Sandefjord Airport

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

    Prices for flights from Washington to Oslo Sandefjord Airport are updated daily.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington to Oslo Sandefjord Airport.

  • What documentation or ID do you need to fly to Oslo Sandefjord Airport?

    The required travel and health documents for your Oslo Sandefjord Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Oslo Sandefjord Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Sandefjord

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Washington.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Washington.

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

If you are not ready to book a flight from Washington to Oslo now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Oslo and let you know when they change.

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Find better results for your trip to Oslo

Popular cities in Norway

Popular flights according to clicks in the last 7 days on momondo
Flights to Oslo Gardermoen Airportfrom $413