HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$420+ Cheap flights from Sandefjord (TRF) to Seattle (SEA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/14. Fares are subject to change and may not be available on all flights or dates of travel.
TRF — SEA
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sandefjord to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Sandefjord to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Sandefjord (TRF) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 8, 2026.

Round-trip from

$744
(Scandinavian Airlines)

One-way from

$420
(Kiwi.com)

Popular in

March

Cheapest in

May

Average price

$596
From Oslo Sandefjord to Seattle/Tacoma Intl
Search Deals
One-way flight from Oslo Sandefjord to Seattle/Tacoma Intl
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Find flight deals from Sandefjord to Seattle

Cheapest flights from Sandefjord to Seattle
Explore the most affordable flight options available from Sandefjord to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This Scandinavian Airlines deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/302:35 pmTRF - SEA
2 stops39h 11mScandinavian Airlines
Mon 2/27:10 amSEA - TRF
2 stops21h 55mScandinavian Airlines
Deal found 1/7$744
This Mytrip deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/286:00 amTRF - SEA
3 stops22h 45mMultiple Airlines
Tue 4/73:40 pmSEA - TRF
2 stops19h 15mMultiple Airlines
Deal found 1/8$959
This Kiwi.com deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/157:45 amTRF - SEA
2 stops42h 15mMultiple Airlines
Wed 2/114:55 pmSEA - TRF
1 stop17h 20mMultiple Airlines
Deal found 1/7$1,168

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sandefjord to Seattle 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, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Oslo Sandefjord Airport to Seattle that are best for you.

Fly from

Sandefjord

Fly to

Seattle

Route

Depart

Return

Price

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 1/30

2:35 pm-8:46 pm

2 stops39h 11m

Seattle/Tacoma Intl

Mon 2/2

7:10 am-2:05 pm

2 stops21h 55m

$744

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 3/28

6:00 am-8:45 pm

3 stops22h 45m

Seattle/Tacoma Intl

Tue 4/7

3:40 pm-7:55 pm

2 stops19h 15m

$959

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 3/14

8:50 pm-5:09 pm

3 stops52h 19m

$420

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Mon 6/8

9:40 pm-4:00 pm

3 stops27h 20m

$546

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 6/2

6:00 am-3:40 pm

3 stops18h 40m

$595

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 6/5

6:00 am-3:40 pm

3 stops18h 40m

$595

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 6/3

6:00 am-3:40 pm

3 stops18h 40m

$621

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Mon 6/8

3:05 pm-1:45 pm

1 stop31h 40m

$1,801

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 6/6

6:00 am-1:45 pm

1 stop16h 45m

$1,801

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 6/2

6:00 am-1:45 pm

1 stop16h 45m

$1,801

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Best time to book a flight from Sandefjord to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Sandefjord with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Sandefjord to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Seattle from Oslo Sandefjord?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Oslo Sandefjord to Seattle. 0 airlines have flights to Seattle/Tacoma Intl from Oslo Sandefjord on a regular basis. Booking flights from Oslo Sandefjord to Seattle/Tacoma Intl should not be difficult; the airport handles an average of 0 inbound flights from Oslo Sandefjord per day.

  • How long is the flight from Oslo Sandefjord Airport to Seattle?

    Scandinavian Airlines can get you from Oslo Sandefjord Airport to Seattle in just under 39h 11m. Your travel time can differ by up to . The distance between Oslo Sandefjord Airport and Seattle is about 4593 mi.

  • Can I find deals for flights from Sandefjord to Seattle that include hotel bookings?

    Yes. In addition to deals on Sandefjord to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sandefjord to Seattle?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sandefjord to Seattle.

  • Can I find deals for business class flights from Sandefjord to Seattle?

    Yes. Cheapflights offers flight deals from Sandefjord to Seattle by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Lakewood
Ocean Shores
Olympia
Lynnwood
Edmonds
Renton
Puyallup
Kirkland
Kent
Tukwila
Marysville
Fife
Aberdeen
Shoreline
Centralia
Federal Way
Chehalis
Tumwater

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Sandefjord to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Seattle flights
Oslo Gardermoen to Portland flights
Sandefjord to Portland flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.