$613 Cheap Flights from Sandefjord (TRF) to Seattle (SEA)

View $613 flight on Sat, Apr 11, 2026Opens in a new window

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

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Cheap Flights from Sandefjord to Seattle (TRF-SEA)

Prices were available within the past 7 days and start at $613 for one-way flights and $789 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Thu, Oct 30 - Thu, Nov 20
TRF
Sandefjord
SEA
Seattle
$789 Roundtrip, found 20 hours ago
$789
Roundtrip
found 20 hours ago
Select Scandinavian Airlines flight, departing Thu, Oct 30 from Sandefjord to Seattle, returning Thu, Nov 20, priced at $789 found 20 hours ago
Scandinavian Airlines
Mon, Jun 8 - Mon, Jun 22
TRF
Sandefjord
SEA
Seattle
$807 Roundtrip, found 3 days ago
$807
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 8 from Sandefjord to Seattle, returning Mon, Jun 22, priced at $807 found 3 days ago
Scandinavian Airlines
Mon, Jun 8 - Mon, Jun 22
TRF
Sandefjord
SEA
Seattle
$853 Roundtrip, found 3 days ago
$853
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 8 from Sandefjord to Seattle, returning Mon, Jun 22, priced at $853 found 3 days ago
Scandinavian Airlines
Mon, Jun 8 - Mon, Jun 22
TRF
Sandefjord
SEA
Seattle
$857 Roundtrip, found 3 days ago
$857
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 8 from Sandefjord to Seattle, returning Mon, Jun 22, priced at $857 found 3 days ago
Scandinavian Airlines
Thu, Oct 30 - Thu, Nov 20
TRF
Sandefjord
SEA
Seattle
$870 Roundtrip, found 20 hours ago
$870
Roundtrip
found 20 hours ago
Select Scandinavian Airlines flight, departing Thu, Oct 30 from Sandefjord to Seattle, returning Thu, Nov 20, priced at $870 found 20 hours ago
Scandinavian Airlines
Mon, Jun 8 - Mon, Jun 22
TRF
Sandefjord
SEA
Seattle
$878 Roundtrip, found 3 days ago
$878
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 8 from Sandefjord to Seattle, returning Mon, Jun 22, priced at $878 found 3 days ago
Scandinavian Airlines
Sat, Jul 11 - Thu, Aug 13
TRF
Sandefjord
SEA
Seattle
$900 Roundtrip, found 14 hours ago
$900
Roundtrip
found 14 hours ago
Select Scandinavian Airlines flight, departing Sat, Jul 11 from Sandefjord to Seattle, returning Thu, Aug 13, priced at $900 found 14 hours ago
Scandinavian Airlines
Mon, Jun 8 - Mon, Jun 22
TRF
Sandefjord
SEA
Seattle
$902 Roundtrip, found 3 days ago
$902
Roundtrip
found 3 days ago
Select Scandinavian Airlines flight, departing Mon, Jun 8 from Sandefjord to Seattle, returning Mon, Jun 22, priced at $902 found 3 days ago
Air France
Mon, Jun 8 - Mon, Jun 22
TRF
Sandefjord
SEA
Seattle
$917 Roundtrip, found 3 days ago
$917
Roundtrip
found 3 days ago
Select Air France flight, departing Mon, Jun 8 from Sandefjord to Seattle, returning Mon, Jun 22, priced at $917 found 3 days ago
Lufthansa
Fri, Dec 5 - Fri, Dec 12
TRF
Sandefjord
SEA
Seattle
$6,347 Roundtrip, found 5 days ago
$6,347
Roundtrip
found 5 days ago
Select Lufthansa flight, departing Fri, Dec 5 from Sandefjord to Seattle, returning Fri, Dec 12, priced at $6,347 found 5 days ago

Frequently asked questions

How much does a flight from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA) cost?
Lock in a cheap one-way flight from $613 or cheap return flight from $789 from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA) 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 Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA)?
The cheapest month to fly from TRF to SEA is October, when there's less demand. Off-peak season is typically when airlines offer better prices between these airports.
What is the cheapest airline that flies from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll fly you from TRF to SEA. Then, sort your results by "Price (lowest to highest)" to snag the best deal available.
How many flights per day from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA)?
You'll have to take a flight with a layover if you're traveling from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA). There are no daily direct flights on this route. However, just filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from TRF to SEA?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA)?
Book a flight from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA) that leaves before 3 PM to reduce the likelihood of delays and cancellations. Departures after this hour are on average 22% more likely to be canceled.**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 Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA) last-minute?
Holding off until just before your departure to book a flight from TRF to SEA generally means paying more. While you might find some last-minute deals, they're not always guaranteed. Be flexible with your travel plans to boost your chances of getting a bargain.
Is it cheaper to book a TRF to SEA flight and hotel package?
Compared with arranging flights and hotels separately, booking a TRF to SEA flight and hotel package with Expedia could lead to significant savings. Better still, having everything in one easy place takes the hassle out of planning your trip. Simply pick your flights and select from our wide range of hotels, then personalize your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Torp Airport (TRF) to Seattle - Tacoma Intl. Airport (SEA)?
In most instances, you can reschedule or cancel your TRF to SEA flight. However, additional fees may apply, especially if you booked over 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you want more details, head to our Customer Service portal.

Travel information

Travel information

Origin airport
Torp
Destination airport
Seattle - Tacoma Intl.
Roundtrip price
$789
Distance
4596 mi

Book with confidence

Book with confidence

Sandefjord to Seattle Flights

The cheapest times to fly from Sandefjord to Seattle

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 Sandefjord to Seattle are during the month of October. You can find some of the cheapest flights from Sandefjord to Seattle with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sandefjord to Seattle

Sunday is one of the best days to book for cheap flights from Sandefjord to Seattle: 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 Sandefjord to Seattle

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 Sandefjord to Seattle in 2025. You can also book with separate airlines for your outbound and return journeys, from $613 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 Sandefjord to Seattle 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 Sandefjord to Seattle 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.

 

Sandefjord to Seattle Flights

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*Available to One Key members.