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$588+ 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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
TRF — SEA
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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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 September 15, 2025.

Round-trip from

$653
(Trip.com)

One-way from

$588
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$547
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 ($95 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 September 2025
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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 September 15, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/64:45 pmTRF - SEA
2 stops28h 05mKLM
Sun 10/192:00 pmSEA - TRF
2 stops22h 10mKLM
Deal found 9/14$653
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/252:55 pmTRF - SEA
1 stop32h 05mScandinavian Airlines
Sun 10/54:20 pmSEA - TRF
1 stop13h 00mScandinavian Airlines
Deal found 9/15$658
This Scandinavian Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 9/252:55 pmTRF - SEA
1 stop32h 05mScandinavian Airlines
Wed 10/14:20 pmSEA - TRF
1 stop13h 00mScandinavian Airlines
Deal found 9/15$714
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:15 pmTRF - SEA
2 stops14h 35mMultiple Airlines
Thu 10/27:00 pmSEA - TRF
2 stops13h 55mMultiple Airlines
Deal found 9/15$1,195
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Mon 10/69:45 amTRF - SEA
3 stops19h 55mMultiple Airlines
Sun 10/197:00 pmSEA - TRF
3 stops34h 20mMultiple Airlines
Deal found 9/15$1,253
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/179:00 amTRF - SEA
2 stops36h 10mLufthansa
Thu 1/12:00 pmSEA - TRF
2 stops40h 55mLufthansa
Deal found 9/14$1,284
This Icelandair deal was found by Cheapflights users on 9/15. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:15 pmTRF - SEA
2 stops14h 35mMultiple Airlines
Sat 9/277:00 pmSEA - TRF
2 stops14h 00mMultiple Airlines
Deal found 9/15$1,388
This oojo deal was found by Cheapflights users on 9/14. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/199:00 amTRF - SEA
2 stops36h 10mLufthansa
Sat 1/32:00 pmSEA - TRF
2 stops39h 55mLufthansa
Deal found 9/14$1,399
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/2412:15 pmTRF - SEA
2 stops14h 35mMultiple Airlines
Fri 10/32:20 pmSEA - TRF
2 stops15h 45mMultiple Airlines
Deal found 9/15$1,412
This Mytrip deal was found by Cheapflights users on 9/15. 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.
Tue 9/236:20 pmTRF - SEA
2 stops25h 55mMultiple Airlines
Sat 9/273:45 pmSEA - TRF
2 stops17h 05mMultiple Airlines
Deal found 9/15$1,464

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 September 15, 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

Mon 10/6

4:45 pm-11:50 am

2 stops28h 05m

Seattle/Tacoma Intl

Sun 10/19

2:00 pm-9:10 pm

2 stops22h 10m

$653

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 9/25

2:55 pm-2:00 pm

1 stop32h 05m

Seattle/Tacoma Intl

Sun 10/5

4:20 pm-2:20 pm

1 stop13h 00m

$658

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 9/25

2:55 pm-2:00 pm

1 stop32h 05m

Seattle/Tacoma Intl

Wed 10/1

4:20 pm-2:20 pm

1 stop13h 00m

$714

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Mon 10/6

9:45 am-8:40 pm

3 stops19h 55m

Seattle/Tacoma Intl

Sun 10/19

7:00 pm-2:20 pm

3 stops34h 20m

$1,253

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 12/17

9:00 am-12:10 pm

2 stops36h 10m

Seattle/Tacoma Intl

Thu 1/1

2:00 pm-3:55 pm

2 stops40h 55m

$1,284

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 12/19

9:00 am-12:10 pm

2 stops36h 10m

Seattle/Tacoma Intl

Sat 1/3

2:00 pm-2:55 pm

2 stops39h 55m

$1,399

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 10/26

9:00 am-7:20 pm

2 stops18h 20m

Seattle/Tacoma Intl

Sat 11/8

2:35 pm-6:40 pm

2 stops19h 05m

$1,657

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 1/4

9:35 pm-5:00 pm

3 stops28h 25m

$588

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 11/26

2:35 pm-3:40 pm

3 stops34h 05m

$702

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 1/3

8:50 pm-10:14 am

2 stops46h 24m

$791

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 12 results
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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 and Scandinavian Airlines can get you from Oslo Sandefjord Airport to Seattle in just under 28h 05m. Your travel time can differ by up to 4h. The distance between Oslo Sandefjord Airport and Seattle is about 4593 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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.

  • What is the cheapest month to book a flight from Oslo Sandefjord Airport to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Oslo Sandefjord Airport to Seattle (average of $238). Flying from Oslo Sandefjord Airport to Seattle in June is currently the most expensive (average of $387). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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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