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$291+ Cheap flights from Portland (PDX) to Oslo

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/5. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — OSL
Nov 22 — Nov 291
Sat 11/22
Sat 11/29
1 adult, Economy
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Cheapflights Tip: The best prices from Portland to Oslo are usually found in October or September, booked 37 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from Portland to Oslo

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Oslo (OS1). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 23, 2025.

Round-trip from

$399
(FlightHub)

One-way from

$291
(Kiwi.com)

Popular in

June

Cheapest in

October

Average price

$578
From Portland to Oslo
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One-way flight from Portland to Oslo
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Highest demand for flights based on searches. 25% potential increase in price ($287 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($49 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Portland to Oslo

Cheapest flights from Portland to Oslo
Explore the most affordable flight options available from Portland to Oslo. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 23, 2025.

This SmartFares deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/12:45 pmPDX - OSL
1 stop11h 50mIcelandair
Sun 12/141:05 pmOSL - PDX
1 stop12h 55mIcelandair
Deal found 10/21$482
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/512:45 pmPDX - OSL
2 stops26h 35mScandinavian Airlines
Sun 12/148:00 amOSL - PDX
2 stops23h 56mScandinavian Airlines
Deal found 10/21$483
This FlightHub deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/62:45 pmPDX - OSL
1 stop11h 50mIcelandair
Fri 12/121:10 pmOSL - PDX
1 stop12h 50mIcelandair
Deal found 10/21$519
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:50 amPDX - OSL
2 stops22h 50mMultiple Airlines
Fri 12/129:35 amOSL - PDX
3 stops32h 40mMultiple Airlines
Deal found 10/21$556
This Mytrip deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/17:00 pmPDX - OSL
2 stops37h 40mMultiple Airlines
Sun 12/146:05 amOSL - PDX
2 stops27h 32mMultiple Airlines
Deal found 10/22$561
This Air France deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/511:35 amPDX - OSL
2 stops17h 50mMultiple Airlines
Sun 12/144:25 pmOSL - PDX
1 stop28h 00mMultiple Airlines
Deal found 10/21$562
This Air France deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:25 pmPDX - OSL
1 stop13h 25mKLM
Sun 12/144:25 pmOSL - PDX
1 stop28h 00mKLM
Deal found 10/21$563
This KLM deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/51:25 pmPDX - OSL
1 stop14h 15mKLM
Fri 12/126:30 amOSL - PDX
2 stops20h 13mKLM
Deal found 10/21$573
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/67:00 pmPDX - OSL
2 stops37h 40mMultiple Airlines
Fri 12/129:35 amOSL - PDX
3 stops32h 40mMultiple Airlines
Deal found 10/21$590
This United Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/611:59 pmPDX - OSL
2 stops32h 41mUnited Airlines
Fri 12/129:35 amOSL - PDX
2 stops21h 10mUnited Airlines
Deal found 10/21$610
This Air Canada deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/59:50 amPDX - OSL
2 stops22h 50mAir Canada
Sun 12/146:05 amOSL - PDX
3 stops21h 25mAir Canada
Deal found 10/21$656
This KLM deal was found by Cheapflights users on 10/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/121:25 pmPDX - TRF
2 stops44h 20mKLM
Sun 11/1612:15 pmTRF - PDX
2 stops32h 10mKLM
Deal found 10/22$928

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland to Oslo that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
Use the filters below to find and compare flights from Portland to Oslo that are best for you.

Fly from

Portland

Fly to

Oslo

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 12/1

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sun 12/14

1:05 pm-5:00 pm

1 stop12h 55m

$482

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 12/5

12:45 pm-12:20 am

2 stops26h 35m

Oslo Gardermoen

Sun 12/14

8:00 am-10:56 pm

2 stops23h 56m

$483

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 12/1

7:00 pm-5:40 pm

2 stops37h 40m

Oslo Gardermoen

Sun 12/14

6:05 am-12:37 am

2 stops27h 32m

$561

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 12/5

11:35 am-2:25 pm

2 stops17h 50m

Oslo Gardermoen

Sun 12/14

4:25 pm-11:25 am

1 stop28h 00m

$562

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 12/5

1:25 pm-11:50 am

1 stop13h 25m

Oslo Gardermoen

Sun 12/14

4:25 pm-11:25 am

1 stop28h 00m

$563

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 12/5

1:25 pm-12:40 pm

1 stop14h 15m

Oslo Gardermoen

Fri 12/12

6:30 am-5:43 pm

2 stops20h 13m

$573

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 12/5

9:50 am-5:40 pm

2 stops22h 50m

Oslo Gardermoen

Sun 12/14

6:05 am-6:30 pm

3 stops21h 25m

$656

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 12/1

11:35 am-2:45 pm

2 stops18h 10m

Oslo Gardermoen

Sun 12/14

6:30 am-11:25 am

1 stop13h 55m

$662

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 11/12

1:25 pm-6:45 pm

2 stops44h 20m

Oslo Sandefjord

Sun 11/16

12:15 pm-11:25 am

2 stops32h 10m

$928

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 12/15

3:55 pm-11:30 pm

2 stops22h 35m

Oslo Gardermoen

Tue 12/30

1:45 pm-6:48 pm

2 stops38h 03m

$1,013

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/21

Showing 1-10 of 25 results
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Best time to book a flight from Portland to Oslo

Have a flexible travel schedule? Discover the best time to fly to Oslo from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Oslo

How far ahead should I book a flight from Portland to Oslo?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Oslo. Price data was last updated on October 17, 2025.

Booking 37 days in advance of your planned departure date is, on average, the best time to get cheap flights from Portland to Oslo. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Portland to Oslo?

Currently, September is the cheapest month in which you can book a flight from Portland to Oslo (average of $317). Flying from Portland to Oslo in June is currently the most expensive (average of $762). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to OSL?

Find hourly flight availability from Portland to Oslo. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 23, 2025.

One of the essential ways to save on airfare from Portland to Oslo is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 30% on airfare.

What is the cheapest day to fly from Portland to Oslo?

Use this chart to determine the cheapest time to fly round-trip from Portland to Oslo. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Portland to Oslo flight should consider departing on Wednesday at noon when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Portland to Oslo?

Reviews of airlines servicing Oslo

Get insights into the airlines that provide service to Oslo. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Oslo. Reviews last updated October 23, 2025.
Read through reviews of airlines operating flights from Portland to Oslo, such as Delta, KLM, and Scandinavian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,981 reviews
Delta
7.9
Good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
KLM
7.7
Good
1,404 reviews
Delta
7.9
Good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Scandinavian Airlines
7.4
Good
1,535 reviews
Delta
7.9
Good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Icelandair
7.1
Good
561 reviews
Delta
7.9
Good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,467 reviews
Delta
7.9
Good
7,981 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

7.9

Entertainment

7.9

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from Portland to Oslo. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Portland to Oslo?

    For a flight from Portland to Oslo, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city. Portland is the only Portland airport and it handles 0 outbound flights to Oslo per day. 5 airlines have flights to Oslo from Portland on a regular basis.

  • How long is the flight from Portland to Oslo?

    Departing from Portland to Oslo will take you 11h 50m. There are 4674 mi between Portland and Oslo. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Portland to Oslo round-trip?

    Scandinavian Airlines, at $317, was found to be the cheapest airline from Portland to Oslo.Alternate airlines to your destination round-trip include Icelandair and British Airways. Scandinavian Airlines is 62% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Portland to Oslo that include hotel bookings?

    Yes. In addition to deals on Portland to Oslo flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Oslo?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Oslo.

  • Can I find deals for business class flights from Portland to Oslo?

    Yes. Cheapflights offers flight deals from Portland to Oslo by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland to Oslo?

    Currently, September is the cheapest month in which you can book a flight from Portland to Oslo (average of $317). Flying from Portland to Oslo in June is currently the most expensive (average of $762). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 5 airlines flying from Portland to Oslo

Discover the top 5 airlines that operate flights from Portland to Oslo. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$317Average$717FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$501Average$991FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$581Average$946FlexibilityNo cancel feeOn-time70%
DeltaCheapest$590Average$957FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$607Average$950FlexibilityNo cancel feeOn-time75%

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