HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Seattle

$451+ 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 6/22. Fares are subject to change and may not be available on all flights or dates of travel.
TRF — SEA
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Sandefjord to Seattle with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$508
(Travelis)

One-way from

$451
(Kiwi.com)

Popular in

July

Cheapest in

November

Average price

$670
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. 18% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Travelis deal was found by Cheapflights users on 6/10. 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/142:55 pmTRF - SEA
1 stop31h 55mScandinavian Airlines
Sat 8/304:00 pmSEA - TRF
1 stop13h 20mScandinavian Airlines
Deal found 6/10$508
This Sembo deal was found by Cheapflights users on 6/11. 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.
Thu 7/249:25 pmTRF - SEA
2 stops32h 15mMultiple Airlines
Thu 8/73:45 pmSEA - TRF
2 stops20h 20mMultiple Airlines
Deal found 6/11$907
This Flysmarter deal was found by Cheapflights users on 6/10. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/259:00 amTRF - SEA
2 stops17h 25mKLM
Fri 8/81:55 pmSEA - TRF
2 stops17h 40mKLM
Deal found 6/10$1,140
This oojo deal was found by Cheapflights users on 6/11. 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.
Tue 7/159:00 amTRF - SEA
2 stops35h 55mLufthansa
Wed 7/236:50 pmSEA - TRF
2 stops17h 20mLufthansa
Deal found 6/11$1,345

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 June 12, 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

Thu 8/14

2:55 pm-1:50 pm

1 stop31h 55m

Seattle/Tacoma Intl

Sat 8/30

4:00 pm-2:20 pm

1 stop13h 20m

$508

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Thu 7/24

9:25 pm-8:40 pm

2 stops32h 15m

Seattle/Tacoma Intl

Thu 8/7

3:45 pm-9:05 pm

2 stops20h 20m

$907

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Fri 7/25

9:00 am-5:25 pm

2 stops17h 25m

Seattle/Tacoma Intl

Fri 8/8

1:55 pm-4:35 pm

2 stops17h 40m

$1,140

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Tue 7/15

9:00 am-11:55 am

2 stops35h 55m

Seattle/Tacoma Intl

Wed 7/23

6:50 pm-9:10 pm

2 stops17h 20m

$1,345

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 6/22

8:05 am-8:28 pm

3 stops45h 23m

$451

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Wed 8/6

9:00 am-4:59 pm

2 stops16h 59m

$825

OsloSeattle

TRF - SEA

TRFSEA

Oslo Sandefjord

Sun 6/22

2:55 pm-1:50 pm

1 stop31h 55m

$1,741

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

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.

Cheapflights Insights

Everything you need to know about your flight from Oslo Sandefjord Airport to Seattle

Rainfall in Seattle by month

Plan your trip to Seattle by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

Temperature in Seattle by month

Plan your trip to Seattle by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated June 12, 2025.
KLM
7.8
Good
1,358 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
KLM
7.8
Good
1,358 reviews
KLM
7.8
Good
1,358 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
Scandinavian Airlines
7.3
Good
1,387 reviews
KLM
7.8
Good
1,358 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.
Lufthansa
6.8
Okay
7,136 reviews
KLM
7.8
Good
1,358 reviews

Boarding

7.8

Food

7.2

Crew

8.4

Comfort

7.7

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Allan,Jun 2025

YYZ - AMS

I always enjoy flying KLM. Service is attentive, friendly and professional. The seat, when fully reclined is a little hard; some kind of mattress or topper would be helpful here. The dinner was really not very good …. “Meatless meatballs” tasted quite peculiar. Breakfast which consisted of an egg white omelette in flour tortilla was also rather tasteless.

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.

  • 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 July is currently the most expensive (average of $391). 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

Traveling to a place near Oslo Sandefjord Airport?

Book flights to Oslo Sandefjord Airport if you plan to visit one of these locations
SeaTac
Tukwila
Tacoma
Lakewood
Ocean Shores
Lacey
Leavenworth
Federal Way
Lynnwood
Olympia
Shoreline
Kent
Cle Elum
Centralia
Kirkland
Aberdeen
Renton
Shelton
Silverdale
Issaquah

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 Sandefjord to Seattle

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

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.