Cheap flights from Seattle to Oslo from $290
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Oslo departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.United Airlines flights from Seattle to Oslo Gardermoen Airport
Our best United Airlines deals on Seattle to Oslo Gardermoen Airport flight tickets
Icelandair flights from Seattle to Oslo Gardermoen Airport
Our best Icelandair deals on Seattle to Oslo Gardermoen Airport flight tickets
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Use the filters below to find and compare flights from Seattle to Oslo Gardermoen Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 2/10
2:35 pm-8:35 pm
1 stop21h 00m
Oslo Gardermoen
Wed 2/17
1:10 pm-5:00 pm
1 stop12h 50m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 11/17
2:35 pm-11:35 am
1 stop12h 00m
Oslo Gardermoen
Tue 11/24
1:10 pm-5:00 pm
1 stop12h 50m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Thu 1/21
8:40 am-5:40 pm
2 stops24h 00m
Oslo Gardermoen
Tue 1/26
6:15 am-2:37 pm
2 stops17h 22m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Mon 11/23
1:50 pm-3:45 pm
1 stop16h 55m
Oslo Gardermoen
Mon 12/7
6:15 am-12:00 pm
1 stop14h 45m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 11/17
8:09 am-1:35 pm
2 stops20h 26m
Oslo Gardermoen
Tue 11/24
1:00 pm-11:07 pm
2 stops43h 07m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 4/6
6:50 pm-5:55 pm
1 stop14h 05m
Oslo Gardermoen
Sat 4/24
11:45 am-4:59 pm
1 stop14h 14m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 4/6
8:40 am-5:55 pm
2 stops24h 15m
Oslo Gardermoen
Sat 4/24
11:45 am-9:58 pm
2 stops19h 13m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 11/10
8:09 am-11:00 am
2 stops17h 51m
Oslo Gardermoen
Mon 11/16
6:15 am-12:00 pm
1 stop14h 45m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Tue 11/10
7:45 am-12:10 pm
2 stops43h 25m
Oslo Gardermoen
Mon 11/16
11:50 am-6:22 pm
2 stops39h 32m
SeattleOslo
SEA Seattle/Tacoma Intl - OSL Oslo Gardermoen
SEAOSL
Seattle/Tacoma Intl
Wed 2/10
2:50 pm-5:40 pm
1 stop17h 50m
Oslo Gardermoen
Mon 2/15
6:15 am-12:00 pm
1 stop14h 45m
See travel insights to Oslo from
How to get the cheapest flight ticket from Seattle to Oslo Gardermoen Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Seattle and Oslo Gardermoen Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $480 to $647.The lowest price recently found on this route was $467.
What is the cheapest month to fly to Oslo Gardermoen Airport?
The cheapest month to fly to Oslo Gardermoen Airport from Seattle is in January. Flight prices, which tend to average around $474, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of January, then book flights to Oslo Gardermoen Airport from Seattle during April instead. Flights to Oslo Gardermoen Airport in April, while not as cheap as those in January, still average around $503.
How far in advance should I book a flight from Seattle to Oslo Gardermoen Airport?
You are more likely to see cheaper flights to Oslo Gardermoen Airport from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $585 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Seattle for as low as $527 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Oslo Gardermoen?
Icelandair and Delta are the most popular carriers operating from Seattle/Tacoma Intl to Oslo Gardermoen
What airlines fly to Oslo Gardermoen Airport?
Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to Oslo Gardermoen Airport from Seattle according to our data. Icelandair is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 8 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Seattle and Oslo Gardermoen Airport?
Reykjavik (KEF) was the most common stop: 61% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Seattle to Oslo Gardermoen Airport?
Flights via Frankfurt am Main (FRA) offer the lowest average round-trip price of $473.
Which layover airport has the shortest travel time from Seattle to Oslo Gardermoen Airport?
Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 12h 00m.
Which layover airport has the shortest connection time from Seattle to Oslo Gardermoen Airport?
Frankfurt am Main (FRA) has the shortest average layover time for this route: 1h 57m.
When to book flights from Seattle to Oslo Gardermoen Airport
Cheap Seattle to Oslo Gardermoen Airport (SEA to OSL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Oslo Gardermoen Airport
Frequently asked questions about flying from Seattle to Oslo Gardermoen Airport
How far is Seattle/Tacoma Intl to Oslo Gardermoen by plane?
Seattle/Tacoma Intl and Oslo Gardermoen are 4540.7 mi apart from one another. 11h 20m is a normal flight duration for this route.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport is 8 as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Oslo Gardermoen Airport.
What documentation or ID do you need to fly to Oslo Gardermoen Airport?
The travel and health documents you'll need for your trip to Oslo Gardermoen Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Oslo Gardermoen Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Oslo Gardermoen Airport?
Based on momondo bookings for flights between Seattle and Oslo Gardermoen Airport, the leading airline is Icelandair, making up 51% of the total bookings. Other popular airlines include Scandinavian Airlines with 14%, Delta with 11%, and Lufthansa with 10%.
Best airlines flying from Seattle to Oslo Gardermoen Airport
Compare and see reviews for airlines that fly from Seattle to Oslo Gardermoen Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $351 | Free Cancellation | Rating 6.7 8,259 reviews | |||
| PriceFrom $396 | Free Cancellation | Rating 6.9 758 reviews | |||
| PriceFrom $426 | Free Cancellation | Rating 7.4 2,018 reviews | |||
| PriceFrom $491 | Free Cancellation | Rating 7.4 10,350 reviews | |||
| PriceFrom $493 | Free Cancellation | Rating 6.8 8,273 reviews | |||
| PriceFrom $498 | Free Cancellation | Rating 7.8 8,653 reviews | |||
| PriceFrom $522 | Free Cancellation | Rating 7.8 1,584 reviews |
Traveling to a place near Oslo?
Book flights to Oslo if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Oslo?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Seattle.
Can I find flights from Seattle to Oslo with flexible booking policies on momondo?
Flights from Seattle to Oslo with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.
How can momondo help me find flights from Seattle to Oslo?
Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Oslo from Seattle.
I’m not ready to book a flight from Seattle to Oslo right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Oslo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.