Cheap Flights from Oslo to Seattle
No deal from Oslo to Seattle has cleared our price bar yet. What we have seen on the route is below.
Across 4 months of observations from Oslo to Seattle, the lowest round-trip fare we recorded was $471, in August. The typical fare was $555. August was the cheapest month we saw and October the dearest.
The most recent price we saw on this route was $628 on Icelandair, seen Oct 15. It is an unverified observation and may have changed.
See every deal <a href="/from/oslo">from Oslo</a>, <a href="/to/seattle">to Seattle</a>, or the return direction <a href="/from/seattle/to/oslo">Seattle to Oslo</a>.
Latest price we saw: Oslo to Seattle
The most recent round-trip fare our sweep found on this route. It is not verified and may have changed since the date shown.
| From | Price | Per mile | Travel dates | Airline | Seen | Check price |
|---|---|---|---|---|---|---|
| Oslo (OSL) to Seattle (SEA) | $628 | 6.9¢ | Feb 19 – Feb 25 | Icelandair | Oct 15 | Check price |
Price history: Oslo to Seattle
What we observed by month, from our signals database. Unverified observations, not bookable prices.
| Month | Low | Typical | Sightings |
|---|---|---|---|
| Oct 2026 | $606 | $616 | 3 |
| Sep 2026 | $541 | $543 | 2 |
| Aug 2026 | $471 | $513 | 10 |
| Jul 2026 | $551 | $551 | 1 |
Frequently asked questions
How many flight deals from Oslo to Seattle are on Sparkflights right now?
There are 0 verified deals from Oslo to Seattle on the board right now. The list refreshes hourly.
What is the lowest price ever seen from Oslo to Seattle?
The lowest fare we've recorded from Oslo to Seattle is $471, based on 16 price observations over 4 months.
How much does a flight from Oslo to Seattle cost?
The typical round-trip fare we observed from Oslo to Seattle is $555, against a recorded low of $471. These are observations, not quotes.
When is the cheapest month to fly Oslo to Seattle?
August was the cheapest month we observed from Oslo to Seattle and October the dearest, over 4 months of data.
What is the current price from Oslo to Seattle?
The most recent fare our sweep saw from Oslo to Seattle is $628, on Oct 15. It is an unverified observation rather than a verified deal, so check it before booking.