$414 Cheap Flights from Seattle (SEA) to Sandefjord (TRF)

View $414 flight on Sun, Oct 12, 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Sandefjord (TRF-Torp)

Cheap Flights from Seattle to Sandefjord (SEA-TRF)

Prices were available within the past 7 days and start at $414 for one-way flights and $540 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sun, Oct 12 - Thu, Oct 23
SEA
Seattle
TRF
Sandefjord
$540 Roundtrip, found 2 days ago
$540
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Oct 12 from Seattle to Sandefjord, returning Thu, Oct 23, priced at $540 found 2 days ago
Delta
Sun, Oct 12 - Thu, Oct 23
SEA
Seattle
TRF
Sandefjord
$545 Roundtrip, found 2 days ago
$545
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Oct 12 from Seattle to Sandefjord, returning Thu, Oct 23, priced at $545 found 2 days ago
Scandinavian Airlines
Tue, May 12 - Tue, May 26
SEA
Seattle
TRF
Sandefjord
$555 Roundtrip, found 2 days ago
$555
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, May 12 from Seattle to Sandefjord, returning Tue, May 26, priced at $555 found 2 days ago
Scandinavian Airlines
Wed, Oct 15 - Mon, Oct 20
SEA
Seattle
TRF
Sandefjord
$581 Roundtrip, found 2 days ago
$581
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 15 from Seattle to Sandefjord, returning Mon, Oct 20, priced at $581 found 2 days ago
Scandinavian Airlines
Wed, Oct 15 - Mon, Oct 20
SEA
Seattle
TRF
Sandefjord
$588 Roundtrip, found 2 days ago
$588
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Wed, Oct 15 from Seattle to Sandefjord, returning Mon, Oct 20, priced at $588 found 2 days ago
Scandinavian Airlines
Tue, May 12 - Tue, May 26
SEA
Seattle
TRF
Sandefjord
$605 Roundtrip, found 2 days ago
$605
Roundtrip
found 2 days ago
Select Scandinavian Airlines flight, departing Tue, May 12 from Seattle to Sandefjord, returning Tue, May 26, priced at $605 found 2 days ago
Delta
Sun, Oct 12 - Thu, Oct 23
SEA
Seattle
TRF
Sandefjord
$665 Roundtrip, found 2 days ago
$665
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Oct 12 from Seattle to Sandefjord, returning Thu, Oct 23, priced at $665 found 2 days ago
Delta
Sun, Oct 12 - Thu, Oct 23
SEA
Seattle
TRF
Sandefjord
$670 Roundtrip, found 2 days ago
$670
Roundtrip
found 2 days ago
Select Delta flight, departing Sun, Oct 12 from Seattle to Sandefjord, returning Thu, Oct 23, priced at $670 found 2 days ago
KLM
Sun, Oct 12 - Thu, Oct 23
SEA
Seattle
TRF
Sandefjord
$771 Roundtrip, found 2 days ago
$771
Roundtrip
found 2 days ago
Select KLM flight, departing Sun, Oct 12 from Seattle to Sandefjord, returning Thu, Oct 23, priced at $771 found 2 days ago
Air France
Sun, Oct 12 - Thu, Oct 23
SEA
Seattle
TRF
Sandefjord
$772 Roundtrip, found 2 days ago
$772
Roundtrip
found 2 days ago
Select Air France flight, departing Sun, Oct 12 from Seattle to Sandefjord, returning Thu, Oct 23, priced at $772 found 2 days ago
Flights from Seattle (SEA) to Sandefjord (TRF)
Origin airport
Seattle - Tacoma Intl.
Destination airport
Torp
Airlines serving
Scandinavian Airlines
Roundtrip price
$539
Distance
4596 mi

Seattle to Sandefjord Flights

The cheapest times to fly from Seattle to Sandefjord

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Sandefjord are during the month of October. You can find some of the cheapest flights from Seattle to Sandefjord with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Sandefjord

Sunday is one of the best days to book for cheap flights from Seattle to Sandefjord: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Sandefjord

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Sandefjord in 2025. You can also book with separate airlines for your outbound and return journeys, from $414 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Sandefjord flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Sandefjord airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF) cost?
Snag a cheap one-way flight from $414 or cheap return flight from $540 from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF)?
Planning your trip for October can help you save, as it's the cheapest month for flights between SEA and TRF. You'll usually find the lowest fares during off-peak months.
What is the cheapest airline that flies from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF)?
To find the cheapest airline that'll fly you from SEA to TRF, use Expedia's filter tool. Tailor your search based on your travel style, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF)?
There aren't any daily direct flights available from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SEA to TRF?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF)?
Book a flight from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF) that takes off before 3 PM to reduce the likelihood of delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF) last-minute?
Last-minute fares from SEA to TRF are typically more expensive. For the cheapest rates, start looking for flights well ahead of time. That being said, if you're flexible with your travel dates, you may find a cheap ticket right before you leave.
Is it cheaper to book a SEA to TRF flight and hotel package?
Opting for a SEA to TRF flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip in one place. Pick from our wide range of hotels and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle - Tacoma Intl. Airport (SEA) to Torp Airport (TRF)?
If you reserved your SEA to TRF flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the fare type you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Explore a world of travel with Expedia

*Available to One Key members.