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Flights from Portland to Oslo

Find flight deals from Portland to Oslo for the next 3 months. Book one way flights from $212 or round trip flights from $496.

      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Fri, May 22 | Icelandair
        OSL 4:30 PM
        34h 25m
        1 stop
        PDX 5:55 PM
        Oslo - Portland | Thu, May 28 | Icelandair
        $496 $657
        25% off
        25% off
        $657 $496
      • PDX 3:30 PM
        12h 5m
        1 stop
        OSL 12:35 PM
        Portland - Oslo | Sat, May 23 | Icelandair
        OSL 4:30 PM
        28h 15m
        1 stop
        PDX 11:45 AM
        Oslo - Portland | Fri, May 29 | Icelandair
        $538 $657
        18% off
        18% off
        $657 $538
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sun, May 24 | Icelandair
        OSL 4:30 PM
        34h 25m
        1 stop
        PDX 5:55 PM
        Oslo - Portland | Sat, May 30 | Icelandair
        $538 $657
        18% off
        18% off
        $657 $538
      • PDX 3:30 PM
        12h 5m
        1 stop
        OSL 12:35 PM
        Portland - Oslo | Mon, May 25 | Icelandair
        OSL 1:50 PM
        13h 5m
        1 stop
        PDX 5:55 PM
        Oslo - Portland | Sun, May 31 | Icelandair
        $542
        18% off
        $657 $542
      • PDX 1:05 PM
        14h 25m
        1 stop
        OSL 12:30 PM
        Portland - Oslo | Fri, May 22 | KLM
        OSL 6:30 AM
        13h 40m
        1 stop
        PDX 11:10 AM
        Oslo - Portland | Fri, May 29 | KLM
        $549
        16% off
        $657 $549
      • PDX 1:05 PM
        14h 25m
        1 stop
        OSL 12:30 PM
        Portland - Oslo | Sat, May 23 | KLM
        OSL 6:30 AM
        13h 40m
        1 stop
        PDX 11:10 AM
        Oslo - Portland | Fri, May 29 | KLM
        $575
        12% off
        $657 $575
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sun, Jun 7 | Icelandair
        OSL 4:30 PM
        28h 15m
        1 stop
        PDX 11:45 AM
        Oslo - Portland | Fri, Jun 12 | Icelandair
        $580
        12% off
        $657 $580
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Fri, Jun 5 | Icelandair
        OSL 4:30 PM
        28h 15m
        1 stop
        PDX 11:45 AM
        Oslo - Portland | Fri, Jun 12 | Icelandair
        $581
        12% off
        $657 $581
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Fri, May 29 | Icelandair
        OSL 4:30 PM
        28h 15m
        1 stop
        PDX 11:45 AM
        Oslo - Portland | Fri, Jun 5 | Icelandair
        $581
        12% off
        $657 $581
      • PDX 1:05 PM
        14h 25m
        1 stop
        OSL 12:30 PM
        Portland - Oslo | Wed, May 20 | KLM
        OSL 5:20 PM
        26h 50m
        1 stop
        PDX 11:10 AM
        Oslo - Portland | Wed, May 27 | KLM
        $597
        9% off
        $657 $597
      • PDX 1:00 PM
        17h 25m
        1 stop
        OSL 2:00 PM
        Portland - Oslo | Wed, May 20 | Normal Airline
        OSL 3:00 PM
        6h
        Nonstop
        PDX 4:00 PM
        Oslo - Portland | Fri, May 22 | Normal Airline
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      • PDX 3:30 PM
        12h 5m
        1 stop
        OSL 12:35 PM
        Portland - Oslo | Wed, May 20 | Icelandair
        $212 $287
        26% off
        26% off
        $287 $212
      • PDX 3:30 PM
        14h 55m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sat, Jun 6 | Icelandair
        $230 $287
        20% off
        20% off
        $287 $230
      • PDX 3:30 PM
        14h 55m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Thu, Jun 4 | Icelandair
        $231 $287
        20% off
        20% off
        $287 $231
      • PDX 3:30 PM
        14h 55m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sat, May 30 | Icelandair
        $233
        19% off
        $287 $233
      • PDX 7:05 PM
        32h 30m
        1 stop
        OSL 12:35 PM
        Portland - Oslo | Tue, May 26 | Icelandair
        $255
        11% off
        $287 $255
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sun, May 31 | Icelandair
        $257
        10% off
        $287 $257
      • PDX 1:05 PM
        34h 40m
        1 stop
        OSL 8:45 AM
        Portland - Oslo | Wed, May 20 | Delta Air Lines
        $258
        10% off
        $287 $258
      • PDX 3:30 PM
        14h 55m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sat, May 23 | Icelandair
        $260
        9% off
        $287 $260
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Fri, May 29 | Icelandair
        $260
        9% off
        $287 $260
      • PDX 7:05 PM
        11h 20m
        1 stop
        OSL 3:25 PM
        Portland - Oslo | Sun, May 24 | Icelandair
        $261
        9% off
        $287 $261
      • PDX 1:00 PM
        17h 25m
        1 stop
        OSL 2:00 PM
        Portland - Oslo | Wed, May 20 | Normal Airline
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        Find more flights

Displayed flight fares from Portland to Oslo are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Frequently Asked Questions

  • What are the cheapest flights from Portland to Oslo (PDX-OSL)?

    Based on Trip.com data, Icelandair offers one-way fares as low as $212 on Cheapest nonstop routes (e.g. PDX to OSL on Wed, May 20), while Icelandair offers Cheapest nonstop round-trips from $496 departing on Fri, May 22 and returning on Thu, May 28.
  • At the moment, several airlines serve connecting flights from Portland to Oslo, including: Finnair Icelandair Selected airlines are based on historical data collected from flight bookings made by users on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Portland to Oslo is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from Portland to Oslo, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, May 20, with one-way flights priced at just $212.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Icelandair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Oslo travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Portland to Oslo is October, when demand for travel is lower.
  • After crunching the numbers on our May flight calendar, it's currently cheapest to fly from Portland to Oslo on May 20, 2026 with Icelandair, with prices starting at $496.
  • You can land at any one of the following hubs in Oslo, with Portland International Airport to Oslo Airport (PDX-OSL) is by far the most common option on this route: Oslo Airport (OSL) Sandefjord Airport (TRF).
  • The time difference between Oslo and Portland is 9h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

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Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

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Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.