Cheap flights from Seattle to Oslo from $166
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 10/5. 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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Icelandair flights from Seattle to Oslo Gardermoen Airport
Our best Icelandair deals on Seattle to Oslo Gardermoen Airport flight tickets
American Airlines flights from Seattle to Oslo Gardermoen Airport
Our best American Airlines deals on Seattle to Oslo Gardermoen Airport flight tickets
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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 cheapest month to fly to Oslo Gardermoen Airport?
The cheapest month to fly to Oslo Gardermoen Airport from Seattle is in November. Flight prices, which tend to average around $537, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Oslo Gardermoen Airport from Seattle during October instead. Flights to Oslo Gardermoen Airport in October, while not as cheap as those in November, still average around $558.
What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?
According to our data, Tuesday is the cheapest day to fly to Oslo Gardermoen Airport from Seattle. The lowest ticket price found for a Tuesday departure recently was $772. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Seattle to Oslo Gardermoen Airport for around $896.
What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?
Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is in the evening. Flights from Seattle to Oslo Gardermoen Airport during this time can be as low as $696. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the afternoon when prices are around $959.
How far in advance should I book a flight 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 $653 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 $596 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Oslo Gardermoen?
Icelandair is the most popular carrier 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 63% of people opting to fly with this airline when traveling to Oslo Gardermoen Airport. Keep in mind that there are 10 different airlines that fly to Oslo Gardermoen Airport on a routine basis, so you have a few additional options to choose from.
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
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 25m 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 10 as of July 2025.
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 49% of the total bookings. Other popular airlines include Scandinavian Airlines with 13%, Delta with 9%, and British Airways with 7%.
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 $426 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $475 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $484 | Free Cancellation | Rating 7.6 1,306 reviews | |||
| PriceFrom $494 | Free Cancellation | Rating 7.3 1,416 reviews | |||
| PriceFrom $517 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 7.8 1,367 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 1,465 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 8.0 7,982 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.2 10,000 reviews |
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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.