HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Oslo

$201+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
PDX — OSL
Feb 20 — Feb 271
Fri 2/20
Fri 2/27
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

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.

Cheap 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 January 21, 2026.

This oojo deal was found by Cheapflights users on 1/19. 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.
Mon 5/113:30 pm
PDX
-
OSL
1 stop14h 55m
Icelandair
Sun 5/171:50 pm
OSL
-
PDX
1 stop13h 10m
Icelandair
Deal found 1/19$412
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:30 pm
PDX
-
OSL
1 stop12h 05m
Icelandair
Sat 9/124:30 pm
OSL
-
PDX
1 stop34h 25m
Icelandair
Deal found 1/21$424
This KAYAK deal was found by Cheapflights users on 1/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/96:45 pm
PDX
-
OSL
1 stop35h 25m
British Airways
Tue 3/177:25 pm
OSL
-
PDX
1 stop29h 30m
British Airways
Deal found 1/20$456
This oojo deal was found by Cheapflights users on 1/21. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:22 am
PDX
-
OSL
2 stops32h 18m
British Airways
Tue 5/125:45 pm
OSL
-
PDX
1 stop32h 55m
British Airways
Deal found 1/21$461
This oojo deal was found by Cheapflights users on 1/20. 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.
Mon 3/911:46 am
PDX
-
OSL
2 stops22h 54m
British Airways
Mon 3/162:40 pm
OSL
-
PDX
2 stops41h 40m
British Airways
Deal found 1/20$464
This American Airlines deal was found by Cheapflights users on 1/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/36:00 am
PDX
-
OSL
2 stops19h 40m
American Airlines
Tue 5/1212:50 pm
OSL
-
PDX
2 stops19h 51m
American Airlines
Deal found 1/21$468
This Iberia deal was found by Cheapflights users on 1/18. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/186:40 am
PDX
-
OSL
2 stops22h 30m
Multiple Airlines
Fri 2/277:10 am
OSL
-
PDX
1 stop17h 45m
Multiple Airlines
Deal found 1/18$470
This American Airlines deal was found by Cheapflights users on 1/20. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/81:14 pm
PDX
-
OSL
2 stops21h 01m
American Airlines
Wed 4/2911:35 am
OSL
-
PDX
2 stops20h 14m
American Airlines
Deal found 1/20$478
This Booking.com deal was found by Cheapflights users on 1/21. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/53:30 pm
PDX
-
TRF
2 stops20h 40m
Multiple Airlines
Sat 9/123:30 pm
TRF
-
PDX
2 stops35h 25m
Multiple Airlines
Deal found 1/21$895
This Mytrip deal was found by Cheapflights users on 1/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/83:30 pm
PDX
-
TRF
2 stops17h 30m
Multiple Airlines
Sun 8/239:05 am
TRF
-
PDX
2 stops17h 50m
Multiple Airlines
Deal found 1/21$1,006
This Scandinavian Airlines deal was found by Cheapflights users on 1/21. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/81:02 pm
PDX
-
TRF
2 stops40h 03m
Scandinavian Airlines
Thu 2/122:35 pm
TRF
-
PDX
2 stops40h 49m
Scandinavian Airlines
Deal found 1/21$1,415
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/71:38 pm
PDX
-
TRF
2 stops17h 57m
Scandinavian Airlines
Sat 8/226:00 am
TRF
-
PDX
2 stops19h 33m
Scandinavian Airlines
Deal found 1/19$1,464

Find 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 January 21, 2026.

Round-trip from

$412
(oojo)

One-way from

$201
(oojo)

Popular in

June

Cheapest in

November

Average price

$586
From Portland to Oslo
Search Deals
One-way flight from Portland to Oslo
Search Deals
Highest demand for flights based on searches. 26% potential increase in price ($278 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search 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 January 21, 2026.
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

Sun 5/3

6:22 am-11:40 pm

2 stops32h 18m

Oslo Gardermoen

Tue 5/12

7:45 am-5:40 pm

1 stop18h 55m

$460

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 5/3

6:00 am-10:40 am

2 stops19h 40m

Oslo Gardermoen

Tue 5/12

12:50 pm-11:41 pm

2 stops19h 51m

$468

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

6:40 am-2:10 pm

2 stops22h 30m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$470

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 4/8

1:05 pm-12:30 pm

1 stop14h 25m

Oslo Gardermoen

Wed 4/29

9:20 am-11:10 am

1 stop34h 50m

$516

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

1:25 pm-12:30 pm

1 stop14h 05m

Oslo Gardermoen

Fri 2/27

6:30 am-11:25 am

1 stop13h 55m

$517

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 2/28

11:59 pm-5:10 pm

2 stops32h 11m

Oslo Gardermoen

Sat 3/14

1:50 pm-12:35 am

2 stops18h 45m

$529

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 2/8

1:02 pm-2:05 pm

2 stops40h 03m

Oslo Sandefjord

Thu 2/12

2:35 pm-10:24 pm

2 stops40h 49m

$1,415

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sat 3/14

1:10 pm-2:05 pm

2 stops40h 55m

Oslo Sandefjord

Sat 3/28

6:00 am-10:10 pm

2 stops24h 10m

$1,665

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 3/22

7:00 am-2:05 pm

2 stops23h 05m

Oslo Sandefjord

Sat 3/28

6:00 am-10:10 pm

2 stops24h 10m

$3,548

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 5/16

3:30 pm-3:25 pm

1 stop14h 55m

$201

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

Showing 1-10 of 28 results
1
2
3

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 January 16, 2026.

Booking 60 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, April is the cheapest month in which you can book a flight from Portland to Oslo (average of $423). Flying from Portland to Oslo in June is currently the most expensive (average of $763). 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.

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 January 21, 2026.
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
8,086 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,086 reviews
Delta
7.9
Good
8,086 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,442 reviews
Delta
7.9
Good
8,086 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Scandinavian Airlines
7.3
Good
1,660 reviews
Delta
7.9
Good
8,086 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Icelandair
7.1
Good
602 reviews
Delta
7.9
Good
8,086 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,690 reviews
Delta
7.9
Good
8,086 reviews

Crew

8.5

Food

7.2

Overall

7.9

Boarding

8.1

Comfort

7.9

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 19h 40m. 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 $421, 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 45% 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, April is the cheapest month in which you can book a flight from Portland to Oslo (average of $423). Flying from Portland to Oslo in June is currently the most expensive (average of $763). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest$421Average$973FlexibilityNo cancel feeOn-time77%
IcelandairCheapest$436Average$890FlexibilityNo cancel feeOn-time76%
British AirwaysCheapest$516Average$937FlexibilityNo cancel feeOn-time70%
DeltaCheapest$583Average$949FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$596Average$854FlexibilityNo cancel feeOn-time75%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.