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$716+ 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 12/28. Fares are subject to change and may not be available on all flights or dates of travel.
TRF — SEA
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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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 October 16, 2025.

This Mytrip deal was found by Cheapflights users on 10/16. 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.
Wed 11/511:15 amTRF - SEA
2 stops16h 05mMultiple Airlines
Fri 11/72:35 pmSEA - TRF
2 stops20h 50mMultiple Airlines
Deal found 10/16$1,311

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 October 16, 2025.

Round-trip from

$1,311
(Mytrip)

One-way from

$716
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$566
From Oslo Sandefjord to Seattle/Tacoma Intl
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One-way flight from Oslo Sandefjord to Seattle/Tacoma Intl
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Highest demand for flights based on searches. 14% potential increase in price ($99 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 16, 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

Wed 11/5

6:00 am-5:00 pm

3 stops20h 00m

Seattle/Tacoma Intl

Fri 11/7

8:05 pm-8:25 pm

2 stops15h 20m

$1,521

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 12/28

12:40 pm-8:45 am

3 stops53h 05m

$716

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 12/27

2:15 pm-5:00 pm

2 stops35h 45m

$762

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Mon 12/29

8:10 pm-5:00 pm

3 stops29h 50m

$816

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 11/30

9:20 pm-3:40 pm

3 stops27h 20m

$4,239

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/15

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.

  • 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

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