Portland to Oslo flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for Portland to Oslo is €201 with Icelandair (checked on 31 Oct 2026).
Your next trip, last seen at €201
Lowest observedIcelandair · 1 stop · One wayWhen to fly
Explore datesMore dates worth a look
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- Lowest observed
- €201, departing 28 Dec 2026 (Last checked: 31 Oct 2026)One-way fare · Priced departure days checked in the last 14 days: 71Check live prices for this route
- Airlines seen
- Air Canada, Alaska Airlines, Frontier Airlines, Icelandair, KLM, Virgin Atlantic
- Typical journey time
- 15h 05m
About this route
Explore the fares we observed from Portland to Oslo. Prices move often, so pick your dates to see the latest options.
- Route distance
- 7,554 km
- Typical journey time
- 15h 05m
- Seen on fares with a connection
- Icelandair, Alaska Airlines, KLM, Air Canada, Frontier Airlines
- Alternative airports
- TRF
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- Portland International Airport (PDX) → Portland, city gazetteer reference point (45.5051, -122.6750): ≈ 11 km.
- Oslo Gardermoen (OSL) → Oslo, city gazetteer reference point (59.9139, 10.7522): ≈ 37 km.
- Sandefjord Airport, Torp (TRF) → Oslo, city gazetteer reference point (59.9139, 10.7522): ≈ 86 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from Portland to Oslo: December 2026, from €201 (checked 31 Oct 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| November 2026 | €202 | 28 |
| December 2026 | €201 | 13 |
| January 2027 | €202 | 30 |
Lowest fare by day of the week
Cheapest day of the week from Portland to Oslo: Monday, from €201 (checked 31 Oct 2026).
| Day | Lowest fare | Priced days |
|---|---|---|
| Monday | €201 | 11 |
| Tuesday | €202 | 10 |
| Wednesday | €202 | 10 |
| Thursday | €248 | 11 |
| Friday | €247 | 8 |
| Saturday | €247 | 11 |
| Sunday | €355 | 10 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from Portland to Oslo by days until departure (31 to 60 days): €201 (checked 31 Oct 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 0 to 7 days | €248 | 8 |
| 8 to 30 days | €202 | 22 |
| 31 to 60 days | €201 | 12 |
| 61 days or more | €202 | 29 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Lowest one-way fare we saw per airline
Cheapest airline from Portland to Oslo: Icelandair, from €201 (checked 31 Oct 2026).
| Airline | Lowest fare | Priced days |
|---|---|---|
| Icelandair | €201Dec 28, 2026 | 37 |
| Alaska Airlines | €375Dec 9, 2026 | 28 |
| KLM | €465Nov 13, 2026 | 7 |
One-way fares checked in the last 14 days. An airline listed here had a fare on at least 3 departure days. Each figure is the lowest we saw, not a guaranteed fare. Connecting itineraries are included; the date is the departure day of that fare.
Frequently asked
How much is a flight from Portland to Oslo?
The lowest fare Routavio has observed is €201, found on 31 Oct 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from Portland to Oslo?
Cheapest month from Portland to Oslo: December 2026, from €201 (checked 31 Oct 2026).
Are there direct flights from Portland to Oslo?
Our data holds no non-stop flight from Portland to Oslo. The fares on this page include at least one stop.
Which airlines fly from Portland to Oslo?
Routavio has seen these carriers on the route: Air Canada, Alaska Airlines, Frontier Airlines, Icelandair, KLM, Virgin Atlantic.
How long does the flight from Portland to Oslo take?
Across the 73 fares Routavio observed, the average journey time is 20h 06m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed Portland to Oslo fares were non-stop?
None of the 73 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
Which day of the week is cheapest from Portland to Oslo?
Cheapest day of the week from Portland to Oslo: Monday, from €201 (checked 31 Oct 2026).
Which airline has the lowest fare from Portland to Oslo?
Cheapest airline from Portland to Oslo: Icelandair, from €201 (checked 31 Oct 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide · Price and schedule freshness on Routavio
Keep exploring
Similar routes
More routes from Portland
Show all 36 routes →Show fewer ↑
More routes to Oslo
Show all 30 routes →Show fewer ↑
Recently observed fares. Prices may change.