$501 Cheap Icelandair flights from Oslo to Seattle (OSL to SEA)

Find The Best Day To Fly from Oslo to Seattle

Flexible dates

Amazing Icelandair OSL to SEA Flight Deals

The cheapest flights to Seattle - Tacoma Intl. found within the past 7 days were $434 round trip and $501 one way. Prices and availability subject to change. Additional terms may apply.

Mon, Apr 14 - Mon, Apr 28
OSL
Oslo
SEA
Seattle
$434 Roundtrip, found 3 days ago
$434
Roundtrip
found 3 days ago
Select Icelandair flight, departing Mon, Apr 14 from Oslo to Seattle, returning Mon, Apr 28, priced at $434 found 3 days ago
Wed, Apr 30 - Thu, May 8
OSL
Oslo
SEA
Seattle
$442 Roundtrip, found 1 day ago
$442
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Apr 30 from Oslo to Seattle, returning Thu, May 8, priced at $442 found 1 day ago
Mon, Apr 28 - Sat, May 10
OSL
Oslo
SEA
Seattle
$464 Roundtrip, found 6 days ago
$464
Roundtrip
found 6 days ago
Select Icelandair flight, departing Mon, Apr 28 from Oslo to Seattle, returning Sat, May 10, priced at $464 found 6 days ago
Thu, May 1 - Sun, May 11
OSL
Oslo
SEA
Seattle
$470 Roundtrip, found 6 days ago
$470
Roundtrip
found 6 days ago
Select Icelandair flight, departing Thu, May 1 from Oslo to Seattle, returning Sun, May 11, priced at $470 found 6 days ago
Tue, Apr 15 - Tue, Apr 29
OSL
Oslo
SEA
Seattle
$478 Roundtrip, found 12 hours ago
$478
Roundtrip
found 12 hours ago
Select Icelandair flight, departing Tue, Apr 15 from Oslo to Seattle, returning Tue, Apr 29, priced at $478 found 12 hours ago
Wed, Apr 30 - Thu, May 8
OSL
Oslo
SEA
Seattle
$496 Roundtrip, found 1 day ago
$496
Roundtrip
found 1 day ago
Select Icelandair flight, departing Wed, Apr 30 from Oslo to Seattle, returning Thu, May 8, priced at $496 found 1 day ago

Frequently asked questions

Can I catch a flight from Oslo Gardermoen Airport to Seattle - Tacoma Intl. Airport (SEA) right now?
It’s wise to learn about any quarantine requirements and travel advice reports in place in your destination city. Make sure you visit the Covid-19 Travel Advisor for up-to-date info on catching a flight to Seattle - Tacoma Intl. Airport (SEA).
What terminal is Icelandair at Gardermoen Airport (OSL)?
Before you set off from Gardermoen Airport (OSL) to SEA with Icelandair, it might be a good idea to get in touch with the airline to find out your terminal information. While your ticket should have some of the details, there’s no guarantee.
Are there Icelandair non-stop flights from OSL to SEA?
As you can’t travel nonstop from OSL to Seattle - Tacoma Intl. Airport (SEA) with Icelandair, make the most of your stopover. Sit down to one of your favorite drinks at an inviting airport bar, or stroll about the terminal and enjoy some retail therapy.
How long is an Icelandair flight from OSL to SEA?
If you’re heading from Gardermoen Airport (OSL) to Seattle - Tacoma Intl. Airport (SEA) with Icelandair, sit back and make yourself comfortable. This lengthy flight lasts on average 11 hours, so get a little sleep if you don’t want jet lag to spoil your vacation.
How many direct and indirect flights does Icelandair fly from OSL to SEA?
Each week, there are 7 Icelandair flights linking OSL and SEA.
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Seattle - Tacoma Intl. Airport (SEA), please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.