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

Prices for flights from Oslo Sandefjord Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The necessary travel and health documents for your Seattle/Tacoma Intl Airport 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.

$414 Cheap Flights from Oslo Sandefjord Airport to Seattle in 2025/26

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Find the cheapest flights from Oslo Sandefjord Airport to Seattle

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:35 pm - 11:25 pm

TRF

SEA

41h 50m2 stops

7:15 am - 2:05 pm

SEA

TRF

22h 50m2 stops

$618Scandinavian Airlines

Wed, Mar 4 - Sun, Mar 8

2:35 pm - 11:25 pm

TRF

SEA

41h 50m2 stops

7:10 am - 2:05 pm

SEA

TRF

21h 55m2 stops

$718Scandinavian Airlines

Sun, Feb 15 - Thu, Feb 19

2:35 pm - 11:40 am

TRF

SEA

30h 05m2 stops

3:05 pm - 6:45 pm

SEA

TRF

18h 40m2 stops

$2,118KLM

Sun, Feb 15 - Thu, Feb 19

Scandinavian Airlines flights from Oslo Sandefjord Airport to Seattle

Our best Scandinavian Airlines deals on Oslo Sandefjord Airport to Seattle flight tickets

Scandinavian Airlines

Mar 4

TRF2:35 pmOslo Sandefjord

41h 50m

2 stops

SEA11:25 pmSeattle/Tacoma Intl

Mar 8

SEA7:15 amSeattle/Tacoma Intl

22h 50m

2 stops

TRF2:05 pmOslo Sandefjord

$618

Find similar

Scandinavian Airlines

Feb 15

TRF2:35 pmOslo Sandefjord

41h 50m

2 stops

SEA11:25 pmSeattle/Tacoma Intl

Feb 19

SEA7:10 amSeattle/Tacoma Intl

21h 55m

2 stops

TRF2:05 pmOslo Sandefjord

$718

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Oslo Sandefjord Airport to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 3/4

2:35 pm-11:25 pm

2 stops41h 50m

Seattle/Tacoma Intl

Sun 3/8

7:15 am-2:05 pm

2 stops22h 50m

$618

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 2/15

2:35 pm-11:25 pm

2 stops41h 50m

Seattle/Tacoma Intl

Thu 2/19

7:10 am-2:05 pm

2 stops21h 55m

$718

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 2/15

2:35 pm-11:40 am

2 stops30h 05m

Seattle/Tacoma Intl

Thu 2/19

3:05 pm-6:45 pm

2 stops18h 40m

$2,118

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 3/22

9:35 pm-10:15 am

3 stops44h 40m

$414

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 3/21

8:50 pm-8:43 pm

2 stops55h 53m

$588

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 3/11

11:00 am-1:10 pm

3 stops34h 10m

$609

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 1/8

8:00 pm-2:57 pm

3 stops51h 57m

$618

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 3/21

8:50 pm-7:20 pm

3 stops30h 30m

$628

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 1/8

8:00 pm-7:50 pm

2 stops32h 50m

$657

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 3/22

9:20 pm-4:40 pm

2 stops27h 20m

$713

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Oslo Sandefjord Airport to Seattle

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 day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Oslo Sandefjord Airport is on a Saturday. momondo users have found tickets for Saturday departures for as low as $536. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Oslo Sandefjord Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $769.

What is the cheapest time of day to depart on your flight to Seattle?

Flying to Seattle from Oslo Sandefjord Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $536 when looking at flights departing at noon. Flights to Seattle are more costly in the morning, with an average ticket price of $662. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Oslo Sandefjord Airport to Seattle

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

Estimated round-trip price

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

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

Fastest flight time	14h 45m
Direct flights	None

The fastest flight from Oslo Sandefjord Airport to Seattle takes 14h 45m

There are no direct flights from Oslo Sandefjord Airport to Seattle. There are no popular flight routes from Oslo Sandefjord Airport to Seattle.

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How far is Oslo Sandefjord to Seattle/Tacoma Intl by plane?
The distance between Oslo Sandefjord and Seattle/Tacoma Intl is about 4583.4 mi. By plane, this route typically takes 30h 05m.
When did momondo last update prices for flights from Oslo Sandefjord Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Oslo Sandefjord Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How old do you have to be to fly from Oslo Sandefjord Airport to Seattle/Tacoma Intl 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 Oslo Sandefjord Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The necessary travel and health documents for your Seattle/Tacoma Intl Airport 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.

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Puyallup

Marysville

Tukwila

Redmond

Cle Elum

Federal Way

Lakewood

Fife

Centralia

Westport

Kirkland

Shoreline

Why use momondo?

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

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

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

Yes. All flights to Seattle from Oslo on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Oslo to Seattle.

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

If you are simply researching potential flights to Seattle, momondo offers a useful price alert feature which will track prices for flights to Seattle from Oslo and alert you when they change.