Cheap flights from Seattle to Oslo from $174
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 9/11. 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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How to get the cheapest flight ticket from Seattle to Oslo
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?
The month of November is, on average, the cheapest month to fly to Oslo from Seattle, with most prices found around $537. If you’re not able to fly to Oslo in November, then October is your next best option. Flight prices from Seattle to Oslo during October average around $558.
What is the cheapest day to depart on your flight to Oslo?
The cheapest day to depart on your flight to Oslo is on a Tuesday when prices can be found for as low as $772. This is often the case because there is less demand to fly during this day of the week. 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 for around $896.
What is the cheapest time of day to depart on your flight to Oslo?
Flying to Oslo from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $696 when looking at flights departing in the evening. Try not to purchase tickets in the afternoon because they tend to be around $959. Of course, these prices can vary depending on the time of year and what airport you fly to.
How far in advance should I book a flight to Oslo?
You are more likely to see cheaper flights to Oslo from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo 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 from Seattle for as low as $596 on momondo.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Oslo?
Icelandair, Lufthansa, and British Airways are the most popular carriers operating from Seattle/Tacoma Intl to Oslo
What airlines fly to Oslo?
Icelandair, Scandinavian Airlines and Delta are the top three most popular airlines that fly to Oslo 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. Keep in mind that there are 10 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.
Cheap Seattle to Oslo flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Oslo
How far is Seattle/Tacoma Intl to Oslo by plane?
Seattle/Tacoma Intl and Oslo are 4550.6 mi apart from one another. A reasonable flight in good conditions will take 11h 25m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Oslo?
Prices for flights from Seattle/Tacoma Intl Airport to Oslo are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Oslo?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Oslo is 10 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Oslo?
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.
What documentation or ID do you need to fly to Oslo?
The travel and health documents you'll need for your trip to Oslo 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. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Seattle to Oslo
Compare and see reviews for airlines that fly from Seattle to Oslo with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $426 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom $475 | Free Cancellation | Rating 6.6 7,081 reviews | |||
| PriceFrom $484 | Free Cancellation | Rating 7.6 1,299 reviews | |||
| PriceFrom $494 | Free Cancellation | Rating 7.3 1,413 reviews | |||
| PriceFrom $517 | Free Cancellation | Rating 7.4 8,852 reviews | |||
| PriceFrom $563 | Free Cancellation | Rating 6.8 7,201 reviews | |||
| PriceFrom $564 | Free Cancellation | Rating 7.8 1,366 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 7.5 1,471 reviews | |||
| PriceFrom $569 | Free Cancellation | Rating 8.0 7,969 reviews | |||
| PriceFrom $578 | Free Cancellation | Rating 7.2 10,000 reviews |
Why 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?
Yes. momondo enables you to select and highlight flights to Oslo from Seattle with this policy.
How can momondo help me find flights from Seattle to Oslo?
Once all potential Seattle to Oslo flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Seattle to Oslo right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.