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$2,093+ Cheap flights from Sandefjord (TRF) to Seattle (SEA)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
TRF — SEA
Dec 24 — Dec 311
Wed 12/24
Wed 12/31
1 adult, Economy
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Find flight deals from Sandefjord to Seattle

Best flights from Sandefjord to Seattle
Discover carefully curated flight deals from Sandefjord to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 24, 2025.

This KLM deal was found by Cheapflights users on 11/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/152:35 pmTRF - SEA
2 stops30h 05mKLM
Thu 2/193:05 pmSEA - TRF
2 stops18h 40mKLM
Deal found 11/22$2,093

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 November 24, 2025.

Round-trip from

$2,093
(KLM)

Popular in

July

Cheapest in

May

Average price

$490
From Oslo Sandefjord to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($100 potential increase over avg. RT price).
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 November 2025
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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 November 24, 2025.
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

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

$2,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/22

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?

    KLM can get you from Oslo Sandefjord Airport to Seattle in just under 30h 05m. 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

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Alternative routes for Sandefjord to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
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