$332+ 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 8/4. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Portland to Oslo with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Portland to Oslo are usually found in February or January, 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 June 12, 2025.
Round-trip from | $517 (oojo) |
|---|---|
One-way from | $332 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $1,384 |
Find flight deals from Portland to Oslo
Cheapest flights from Portland to OsloExplore 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 June 12, 2025.
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 June 12, 2025.
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 6/10. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air Canada deal was found by Cheapflights users on 6/12. 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.
This United Airlines deal was found by Cheapflights users on 6/10. 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.
This British Airways deal was found by Cheapflights users on 6/12. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Delta deal was found by Cheapflights users on 6/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Air France deal was found by Cheapflights users on 6/10. 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.
This KLM deal was found by Cheapflights users on 6/10. 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.
This Gurufare deal was found by Cheapflights users on 6/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 6/10. 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.
This TAP AIR PORTUGAL deal was found by Cheapflights users on 6/10. 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 TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This AranGrant deal was found by Cheapflights users on 6/11. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 June 12, 2025.
Use the filters below to find and compare flights from Portland to Oslo that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 10/15
3:20 pm-12:35 pm
1 stop12h 15m
Oslo Gardermoen
Wed 10/29
1:05 pm-6:00 pm
1 stop12h 55m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 8/20
12:35 pm-5:20 pm
2 stops19h 45m
Oslo Gardermoen
Wed 8/27
9:00 am-8:27 pm
2 stops20h 27m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 10/15
3:25 pm-6:05 pm
2 stops17h 40m
Oslo Gardermoen
Wed 10/29
9:35 am-9:34 am
3 stops31h 59m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 8/20
4:07 pm-10:10 pm
2 stops21h 03m
Oslo Gardermoen
Tue 9/23
6:35 am-11:01 pm
2 stops25h 26m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 10/15
7:25 pm-7:15 pm
1 stop14h 50m
Oslo Gardermoen
Wed 10/29
8:45 am-8:55 pm
2 stops20h 10m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 10/15
5:45 pm-8:40 pm
2 stops17h 55m
Oslo Gardermoen
Mon 10/20
6:30 am-11:20 am
1 stop13h 50m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 9/24
1:15 pm-8:55 pm
1 stop22h 40m
Oslo Gardermoen
Thu 10/2
6:05 am-2:39 pm
2 stops17h 34m
PortlandOslo
PDX - OSL
PDXOSL
Portland
Wed 9/24
1:15 pm-8:55 pm
1 stop22h 40m
Oslo Gardermoen
Thu 10/2
4:35 pm-11:05 am
1 stop27h 30m
PortlandOslo
PDX - TRF
PDXTRF
Portland
Mon 7/7
1:50 pm-12:35 pm
2 stops13h 45m
Oslo Sandefjord
Thu 7/24
1:05 pm-5:05 pm
2 stops37h 00m
PortlandOslo
PDX - TRF
PDXTRF
Portland
Wed 8/20
6:15 am-4:40 pm
3 stops25h 25m
Oslo Sandefjord
Tue 9/23
12:15 pm-5:55 pm
2 stops14h 40m
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.
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 June 9, 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, November is the cheapest month in which you can book a flight from Portland to Oslo (average of $567). Flying from Portland to Oslo in June is currently the most expensive (average of $1,004). 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 June 12, 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 in the morning could potentially save you up to 25% 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 Monday mornings when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Rainfall in Oslo by month
Plan your trip to Oslo by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Oslo ranges from 1.6 - 3.5 inches per month. August is typically the wettest month, when rainfall can reach 3.5 in. February is typically the driest time to visit Oslo when rainfall is around 1.6 in.
Temperature in Oslo by month
Plan your trip to Oslo by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Oslo, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 26.6 F).
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 June 12, 2025.
Read through reviews of airlines operating flights from Portland to Oslo, such as Delta, KLM and Brussels Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
Crew
Overall
Food
Comfort
Entertainment
Boarding
Reviews
Kim,May 2025
PIH - SLC
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.
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Alternative routes for Portland to Oslo
See prices for flight routes from nearby airports that may be better suited for you.
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 June 12, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$317 | Average$826 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$499 | Average$1,063 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$581 | Average$965 | FlexibilityNo cancel fee | On-time70% | |
| Cheapest$589 | Average$943 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$611 | Average$1,040 | FlexibilityNo cancel fee | On-time75% |