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Cheap flights from Seattle to Oslo from $418

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Oslo departing on 3/13. 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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Find the cheapest flights from Seattle to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
10:15 pm - 9:20 amSEA-TRF
26h 05m1 stop
Multiple Airlines Logo
9:45 am - 7:53 pmTRF-SEA
19h 08m2 stops
$1,193Multiple Airlines
Find Deal
lun., nov. 17 - mié., dic. 3
Scandinavian Airlines Logo
11:15 am - 2:05 pmSEA-TRF
17h 50m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:25 pmTRF-SEA
40h 50m2 stops
$1,494Scandinavian Airlines
Find Deal
jue., dic. 11 - lun., ene. 5
Scandinavian Airlines Logo
7:20 am - 2:05 pmSEA-TRF
21h 45m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:25 pmTRF-SEA
40h 50m2 stops
$1,794Scandinavian Airlines
Find Deal
dom., dic. 14 - lun., ene. 5
Scandinavian Airlines Logo
11:15 am - 2:05 pmSEA-TRF
17h 50m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:25 pmTRF-SEA
40h 50m2 stops
$1,844Scandinavian Airlines
Find Deal
sáb., dic. 13 - lun., ene. 5
Scandinavian Airlines Logo
11:15 am - 2:05 pmSEA-TRF
17h 50m2 stops
Scandinavian Airlines Logo
2:35 pm - 10:13 pmTRF-SEA
40h 38m2 stops
$2,445Scandinavian Airlines
Find Deal
sáb., dic. 13 - dom., ene. 4
Multiple Airlines Logo
5:40 pm - 11:50 amSEA-TRF
33h 10m3 stops
Multiple Airlines Logo
9:20 pm - 3:40 pmTRF-SEA
27h 20m2 stops
$2,736Multiple Airlines
Find Deal
lun., dic. 22 - dom., ene. 4

Scandinavian Airlines flights from Seattle to Oslo Sandefjord Airport

Our best Scandinavian Airlines deals on Seattle to Oslo Sandefjord Airport flight tickets
Scandinavian Airlines
May 10
SEA9:50 amSeattle/Tacoma Intl
19h 40m
2 stops
TRF2:30 pmOslo Sandefjord
May 29
TRF6:00 amOslo Sandefjord
16h 45m
1 stop
SEA1:45 pmSeattle/Tacoma Intl
$605
Find similar
Scandinavian Airlines
Mar 21
SEA12:00 pmSeattle/Tacoma Intl
42h 05m
2 stops
TRF2:05 pmOslo Sandefjord
Mar 29
TRF3:05 pmOslo Sandefjord
40h 00m
2 stops
SEA10:05 pmSeattle/Tacoma Intl
$658
Find similar
Scandinavian Airlines
Dec 11
SEA11:15 amSeattle/Tacoma Intl
17h 50m
2 stops
TRF2:05 pmOslo Sandefjord
Jan 5
TRF2:35 pmOslo Sandefjord
40h 50m
2 stops
SEA10:25 pmSeattle/Tacoma Intl
$1,494
Find similar

Air France flights from Seattle to Oslo Sandefjord Airport

Our best Air France deals on Seattle to Oslo Sandefjord Airport flight tickets
Air France
Apr 29
SEA1:30 pmSeattle/Tacoma Intl
40h 00m
2 stops
TRF2:30 pmOslo Sandefjord
May 3
TRF3:05 pmOslo Sandefjord
53h 10m
2 stops
SEA11:15 amSeattle/Tacoma Intl
$835
Find similar
Air France
Apr 29
SEA1:30 pmSeattle/Tacoma Intl
25h 55m
2 stops
TRF12:25 amOslo Sandefjord
May 3
TRF3:05 pmOslo Sandefjord
53h 10m
2 stops
SEA11:15 amSeattle/Tacoma Intl
$836
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle 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 noviembre 13, 2025.
Use the filters below to find and compare flights from Seattle to Oslo Sandefjord Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

lun. 11/17

10:15 pm-9:20 am

1 stop26h 05m

Oslo Sandefjord

mié. 12/3

9:45 am-7:53 pm

2 stops19h 08m

$1,193

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

jue. 12/11

11:15 am-2:05 pm

2 stops17h 50m

Oslo Sandefjord

lun. 1/5

2:35 pm-10:25 pm

2 stops40h 50m

$1,494

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

dom. 12/14

7:20 am-2:05 pm

2 stops21h 45m

Oslo Sandefjord

lun. 1/5

2:35 pm-10:25 pm

2 stops40h 50m

$1,794

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

sáb. 12/13

11:15 am-2:05 pm

2 stops17h 50m

Oslo Sandefjord

lun. 1/5

2:35 pm-10:25 pm

2 stops40h 50m

$1,844

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

sáb. 12/13

11:15 am-2:05 pm

2 stops17h 50m

Oslo Sandefjord

dom. 1/4

2:35 pm-10:13 pm

2 stops40h 38m

$2,445

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

lun. 12/22

5:40 pm-11:50 am

3 stops33h 10m

Oslo Sandefjord

dom. 1/4

9:20 pm-3:40 pm

2 stops27h 20m

$2,736

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

vie. 3/13

7:05 am-10:05 am

3 stops43h 00m

$418

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

mié. 4/1

2:10 pm-3:05 pm

2 stops15h 55m

$429

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

mié. 12/24

2:35 pm-8:55 pm

3 stops45h 20m

$514

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

vie. 3/13

3:00 pm-8:25 pm

2 stops21h 25m

$525

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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See travel insights to Oslo from

How to get the cheapest flight ticket from Seattle 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

What is the cheapest airline that flies from Seattle/Tacoma Intl to Oslo Sandefjord?

Lufthansa and Scandinavian Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Oslo Sandefjord

When to book flights from Seattle to Oslo Sandefjord Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Oslo Sandefjord Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Oslo Sandefjord Airport (SEA to TRF) flight deals and tips

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

Direct flights

None
There are no direct flights from Seattle to Oslo Sandefjord Airport. There are no popular flight routes from Seattle to Oslo Sandefjord Airport.
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  • How far is Seattle/Tacoma Intl to Oslo Sandefjord by plane?

    Seattle/Tacoma Intl and Oslo Sandefjord are 4583.4 mi apart from one another. A reasonable flight in good conditions will take 14h 35m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Oslo Sandefjord Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Oslo Sandefjord Airport were last updated today.

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Oslo Sandefjord Airport?

    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 Seattle/Tacoma Intl Airport 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 Seattle to Oslo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Oslo. Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Seattle to Oslo on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Seattle and Oslo 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 Seattle to Oslo right now. Can momondo alert me if prices change?

Price alerts on flights to Oslo from Seattle are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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sáb. 12/13
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