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Sandefjord

$290+ Cheap flights from Seattle (SEA) to Sandefjord (TRF)

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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — TRF
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Seattle to Sandefjord

Cheapest flights from Seattle to Sandefjord
Explore the most affordable flight options available from Seattle to Sandefjord. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:55 pm
SEA
-
TRF
1 stop13h 35m
Scandinavian Airlines
Sat 9/126:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 1/27$602
This FlightHub deal was found by Cheapflights users on 1/29. 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.
Tue 8/43:55 pm
SEA
-
TRF
1 stop19h 30m
Scandinavian Airlines
Tue 8/186:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 1/29$686
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:55 pm
SEA
-
TRF
1 stop19h 30m
Scandinavian Airlines
Tue 8/186:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 1/29$709
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/411:10 am
SEA
-
TRF
2 stops24h 15m
Scandinavian Airlines
Mon 8/173:05 pm
TRF
-
SEA
1 stop31h 40m
Scandinavian Airlines
Deal found 1/29$714
This KAYAK deal was found by Cheapflights users on 1/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/23:55 pm
SEA
-
TRF
1 stop19h 30m
Scandinavian Airlines
Fri 8/216:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 1/29$743
This Icelandair deal was found by Cheapflights users on 1/27. 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.
Fri 5/87:00 pm
SEA
-
TRF
2 stops14h 35m
Multiple Airlines
Fri 5/2212:10 pm
TRF
-
SEA
2 stops14h 45m
Multiple Airlines
Deal found 1/27$744
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/129:50 am
SEA
-
TRF
2 stops29h 35m
Scandinavian Airlines
Tue 6/26:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 1/28$753
This KAYAK deal was found by Cheapflights users on 1/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/213:55 pm
SEA
-
TRF
1 stop19h 30m
Scandinavian Airlines
Tue 7/141:50 pm
TRF
-
SEA
2 stops41h 15m
Scandinavian Airlines
Deal found 1/28$788
This FlightHub deal was found by Cheapflights users on 1/27. 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.
Tue 6/233:55 pm
SEA
-
TRF
1 stop19h 30m
Scandinavian Airlines
Mon 7/68:55 pm
TRF
-
SEA
1 stop25h 50m
Scandinavian Airlines
Deal found 1/27$795
This Icelandair deal was found by Cheapflights users on 1/28. 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.
Thu 4/97:00 pm
SEA
-
TRF
2 stops14h 00m
Multiple Airlines
Thu 4/2312:10 pm
TRF
-
SEA
2 stops14h 45m
Multiple Airlines
Deal found 1/28$805
This KAYAK deal was found by Cheapflights users on 1/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:30 pm
SEA
-
TRF
2 stops24h 55m
Scandinavian Airlines
Tue 8/186:00 am
TRF
-
SEA
1 stop16h 45m
Scandinavian Airlines
Deal found 1/27$812

Find flight deals from Seattle to Sandefjord

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Sandefjord (TRF). 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 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$744
(Icelandair)

One-way from

$290
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$422
Provider with most accurate pricing for Seattle/Tacoma Intl-Oslo Sandefjord flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Oslo Sandefjord flights.
Search Deals
From Seattle/Tacoma Intl to Oslo Sandefjord
Search Deals
One-way flight from Seattle/Tacoma Intl to Oslo Sandefjord
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($121 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Sandefjord 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 29, 2026.
Use the filters below to find and compare flights from Seattle to Oslo Sandefjord Airport that are best for you.

Fly from

Seattle

Fly to

Sandefjord

Route

Depart

Return

Price

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Fri 5/8

7:00 pm-6:35 pm

2 stops14h 35m

Oslo Sandefjord

Fri 5/22

12:10 pm-5:55 pm

2 stops14h 45m

$744

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 5/12

9:50 am-12:25 am

2 stops29h 35m

Oslo Sandefjord

Tue 6/2

6:00 am-1:45 pm

1 stop16h 45m

$753

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 6/23

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Tue 7/14

1:50 pm-10:05 pm

2 stops41h 15m

$788

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 6/21

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Tue 7/14

1:50 pm-10:05 pm

2 stops41h 15m

$788

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 6/28

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Sat 7/11

5:10 pm-1:45 pm

1 stop29h 35m

$795

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 6/23

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Mon 7/6

8:55 pm-1:45 pm

1 stop25h 50m

$795

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Thu 4/9

7:00 pm-6:00 pm

2 stops14h 00m

Oslo Sandefjord

Thu 4/23

12:10 pm-5:55 pm

2 stops14h 45m

$805

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Tue 5/12

9:50 am-12:25 am

2 stops29h 35m

Oslo Sandefjord

Sat 5/30

6:00 am-1:45 pm

1 stop16h 45m

$813

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Sun 6/21

3:55 pm-8:25 pm

1 stop19h 30m

Oslo Sandefjord

Sat 7/11

5:10 pm-1:45 pm

1 stop29h 35m

$818

SeattleOslo

SEA - TRF

SEATRF

Seattle/Tacoma Intl

Thu 7/2

7:20 am-8:25 pm

2 stops28h 05m

Oslo Sandefjord

Sat 7/11

5:10 pm-1:45 pm

1 stop29h 35m

$872

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/28

Showing 1-10 of 19 results
1
2
  • Most accurate provider: When it comes to deals on Seattle-Oslo Sandefjord Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Oslo Sandefjord Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Oslo Sandefjord Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Oslo Sandefjord Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Oslo Sandefjord Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Sandefjord

Have a flexible travel schedule? Discover the best time to fly to Sandefjord from Seattle 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 Seattle to Sandefjord. 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 from for flights from Seattle to Oslo Sandefjord?

    For a flight from Seattle to Oslo Sandefjord, you will be flying from Seattle/Tacoma Intl. Seattle/Tacoma Intl (SEA) is just 11.4 mi from the center of the city. Seattle/Tacoma Intl is the only Seattle airport and it handles 0 outbound flights to Oslo Sandefjord per day. 0 airlines have flights to Oslo Sandefjord from Seattle/Tacoma Intl on a regular basis.

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

    Airlines like Scandinavian Airlines fly from Seattle to Oslo Sandefjord Airport in about 29h 35m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 4593 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle to Sandefjord 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

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 Seattle to Sandefjord

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

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