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$399+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
TRF — SEA
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
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Cheap 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 February 6, 2026.

This Sembo deal was found by Cheapflights users on 2/4. 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/56:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Sat 9/193:55 pm
SEA
-
TRF
1 stop13h 35m
Scandinavian Airlines
Deal found 2/4$578
This Scandinavian Airlines deal was found by Cheapflights users on 2/5. 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.
Wed 4/156:00 am
TRF
-
SEA
2 stops23h 43m
Scandinavian Airlines
Sun 4/197:00 am
SEA
-
TRF
2 stops22h 30m
Scandinavian Airlines
Deal found 2/5$657
This Scandinavian Airlines deal was found by Cheapflights users on 2/5. 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.
Tue 3/316:00 am
TRF
-
SEA
2 stops25h 10m
Scandinavian Airlines
Sun 4/57:20 am
SEA
-
TRF
2 stops22h 10m
Scandinavian Airlines
Deal found 2/5$735
This Scandinavian Airlines deal was found by Cheapflights users on 2/5. 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.
Mon 3/306:00 am
TRF
-
SEA
2 stops22h 05m
Scandinavian Airlines
Wed 4/87:15 am
SEA
-
TRF
2 stops22h 15m
Scandinavian Airlines
Deal found 2/5$785
This Scandinavian Airlines deal was found by Cheapflights users on 2/5. 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.
Sat 3/286:00 am
TRF
-
SEA
2 stops23h 48m
Scandinavian Airlines
Wed 4/87:15 am
SEA
-
TRF
2 stops22h 15m
Scandinavian Airlines
Deal found 2/5$955
This FlightHub deal was found by Cheapflights users on 2/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/108:55 pm
TRF
-
SEA
1 stop25h 50m
Scandinavian Airlines
Wed 7/2911:10 am
SEA
-
TRF
2 stops17h 10m
Scandinavian Airlines
Deal found 2/5$1,054
This FlightHub deal was found by Cheapflights users on 2/5. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:55 pm
TRF
-
SEA
1 stop25h 50m
Scandinavian Airlines
Mon 8/1011:10 am
SEA
-
TRF
2 stops18h 20m
Scandinavian Airlines
Deal found 2/5$1,148
This Mytrip deal was found by Cheapflights users on 2/5. 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 4/296:00 am
TRF
-
SEA
3 stops18h 40m
Multiple Airlines
Wed 5/65:40 pm
SEA
-
TRF
3 stops21h 45m
Multiple Airlines
Deal found 2/5$1,175
This Mytrip deal was found by Cheapflights users on 2/5. 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.
Thu 4/23:05 pm
TRF
-
SEA
3 stops34h 54m
Multiple Airlines
Thu 4/162:10 pm
SEA
-
TRF
2 stops25h 15m
Multiple Airlines
Deal found 2/5$1,186

Find 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 February 6, 2026.

Round-trip from

$657
(Scandinavian Airlines)

One-way from

$399
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$536
From Oslo Sandefjord to Seattle/Tacoma Intl
Search Deals
One-way flight from Oslo Sandefjord to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($29 potential increase over avg. RT price).
Search Deals
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 February 2026
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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 February 6, 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

Wed 4/15

6:00 am-8:43 pm

2 stops23h 43m

Seattle/Tacoma Intl

Sun 4/19

7:00 am-2:30 pm

2 stops22h 30m

$657

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 3/31

6:00 am-10:10 pm

2 stops25h 10m

Seattle/Tacoma Intl

Sun 4/5

7:20 am-2:30 pm

2 stops22h 10m

$735

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Mon 3/30

6:00 am-7:05 pm

2 stops22h 05m

Seattle/Tacoma Intl

Wed 4/8

7:15 am-2:30 pm

2 stops22h 15m

$785

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 3/31

6:00 am-7:05 pm

2 stops22h 05m

Seattle/Tacoma Intl

Wed 4/8

7:15 am-2:30 pm

2 stops22h 15m

$785

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 3/28

6:00 am-9:48 pm

2 stops23h 48m

Seattle/Tacoma Intl

Wed 4/8

7:15 am-2:30 pm

2 stops22h 15m

$955

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 7/10

8:55 pm-1:45 pm

1 stop25h 50m

Seattle/Tacoma Intl

Wed 7/29

11:10 am-1:20 pm

2 stops17h 10m

$1,054

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 4/29

6:00 am-3:40 pm

3 stops18h 40m

Seattle/Tacoma Intl

Wed 5/6

5:40 pm-12:25 am

3 stops21h 45m

$1,175

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 4/2

3:05 pm-4:59 pm

3 stops34h 54m

Seattle/Tacoma Intl

Thu 4/16

2:10 pm-12:25 am

2 stops25h 15m

$1,186

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sat 5/30

3:05 pm-4:00 pm

3 stops33h 55m

$399

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 3/31

9:05 pm-10:08 pm

2 stops34h 03m

$449

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

Showing 1-10 of 16 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?

    Scandinavian Airlines can get you from Oslo Sandefjord Airport to Seattle in just under 23h 43m. 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
Lacey
Renton
Puyallup
Kirkland
Kent
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Federal Way
Chehalis

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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.
Oslo Gardermoen to Seattle flights
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Sandefjord to Portland flights

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