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$360+ Cheap flights from Oslo to Portland (PDX)

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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
OSL — PDX
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Oslo to Portland are usually found in November or May, booked 20 days in advance, depart on a Wednesday or Friday and return on a Tuesday

Cheap flight deals from Oslo to Portland

Discover tips and strategies to find the most affordable flight options for your journey from Oslo (OS1) to Portland (PDX). 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

$490
(Finnair)

One-way from

$360
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$719
From Oslo to Portland
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One-way flight from Oslo to Portland
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Highest demand for flights based on searches. 25% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Oslo to Portland

Cheapest flights from Oslo to Portland
Explore the most affordable flight options available from Oslo to Portland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Finnair 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:10 pmOSL - PDX
2 stops18h 48mFinnair
Sat 9/68:59 amPDX - OSL
2 stops18h 26mFinnair
Deal found 6/12$490
This Travelis 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/285:20 pmOSL - PDX
1 stop26h 45mMultiple Airlines
Mon 9/11:30 pmPDX - OSL
2 stops18h 10mMultiple Airlines
Deal found 6/10$522
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.
Tue 6/249:45 amOSL - PDX
2 stops43h 07mUnited Airlines
Tue 7/157:37 amPDX - OSL
2 stops29h 33mUnited Airlines
Deal found 6/10$536
This Sembo 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 Sembo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:50 pmOSL - PDX
1 stop13h 05mIcelandair
Sat 9/63:20 pmPDX - OSL
1 stop12h 15mIcelandair
Deal found 6/12$545
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.
Thu 8/286:30 amOSL - PDX
2 stops24h 28mDelta
Mon 9/13:18 pmPDX - OSL
2 stops20h 22mDelta
Deal found 6/10$555
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.
Fri 11/76:30 amOSL - PDX
1 stop13h 55mKLM
Fri 11/141:25 pmPDX - OSL
1 stop13h 30mKLM
Deal found 6/10$558
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:35 amOSL - PDX
2 stops19h 46mAir Canada
Mon 9/110:50 pmPDX - OSL
2 stops33h 25mAir Canada
Deal found 6/12$562
This Flysmarter 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/286:35 amOSL - PDX
2 stops19h 46mLufthansa
Mon 9/19:47 amPDX - OSL
2 stops17h 28mLufthansa
Deal found 6/11$566
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/127:45 amOSL - PDX
2 stops34h 54mAmerican Airlines
Wed 6/257:25 pmPDX - OSL
1 stop19h 05mAmerican Airlines
Deal found 6/11$862
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/235:05 pmOSL - PDX
2 stops30h 50mBritish Airways
Wed 7/162:30 pmPDX - OSL
2 stops24h 00mBritish Airways
Deal found 6/10$881
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.
Mon 6/237:10 amOSL - PDX
2 stops19h 00mScandinavian Airlines
Wed 7/167:00 amPDX - OSL
1 stop14h 50mScandinavian Airlines
Deal found 6/10$916
This Travelis 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 Travelis is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2410:35 amTRF - PDX
2 stops21h 10mScandinavian Airlines
Tue 7/157:00 amPDX - TRF
2 stops20h 35mScandinavian Airlines
Deal found 6/10$1,643

Cheapflights Fare Finder

Customize your flight search to find flights from Oslo to Portland 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 Oslo to Portland that are best for you.

Fly from

Oslo

Fly to

Portland

Route

Depart

Return

Price

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 8/29

1:10 pm-10:58 pm

2 stops18h 48m

Portland

Sat 9/6

8:59 am-12:25 pm

2 stops18h 26m

$490

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 8/28

5:20 pm-11:05 am

1 stop26h 45m

Portland

Mon 9/1

1:30 pm-4:40 pm

2 stops18h 10m

$522

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Tue 6/24

9:45 am-7:52 pm

2 stops43h 07m

Portland

Tue 7/15

7:37 am-10:10 pm

2 stops29h 33m

$536

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 8/29

1:50 pm-5:55 pm

1 stop13h 05m

Portland

Sat 9/6

3:20 pm-12:35 pm

1 stop12h 15m

$545

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 8/28

6:30 am-9:58 pm

2 stops24h 28m

Portland

Mon 9/1

3:18 pm-8:40 pm

2 stops20h 22m

$555

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Fri 11/7

6:30 am-11:25 am

1 stop13h 55m

Portland

Fri 11/14

1:25 pm-11:55 am

1 stop13h 30m

$558

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 8/28

6:35 am-5:21 pm

2 stops19h 46m

Portland

Mon 9/1

10:50 pm-5:15 pm

2 stops33h 25m

$562

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Thu 8/28

6:35 am-5:21 pm

2 stops19h 46m

Portland

Mon 9/1

9:47 am-12:15 pm

2 stops17h 28m

$566

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

5:05 pm-2:55 pm

2 stops30h 50m

Portland

Wed 7/16

2:30 pm-11:30 pm

2 stops24h 00m

$881

OsloPortland

OSL - PDX

OSLPDX

Oslo Gardermoen

Mon 6/23

7:10 am-5:10 pm

2 stops19h 00m

Portland

Wed 7/16

7:00 am-6:50 am

1 stop14h 50m

$916

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 22 results
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2
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Best time to book a flight from Oslo to Portland

Have a flexible travel schedule? Discover the best time to fly to Portland from Oslo 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 Oslo to Portland

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

Use this chart to determine the optimal time to book a round-trip flight from Oslo to Portland. Price data was last updated on June 9, 2025.

Booking 20 days in advance of your planned departure date is, on average, the best time to get cheap flights from Oslo to Portland. 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 Oslo to Portland?

Currently, November is the cheapest month in which you can book a flight from Oslo to Portland (average of $277). Flying from Oslo to Portland in March is currently the most expensive (average of $368). 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.

Rainfall in Portland by month

Plan your trip to Portland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Portland ranges from 0.7 - 5.6 inches per month. November is typically the wettest month, when rainfall can reach 5.6 in. July is typically the driest time to visit Portland when rainfall is around 0.7 in.

Temperature in Portland by month

Plan your trip to Portland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Portland, 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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Portland

Get insights into the airlines that provide service to Portland. 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 Portland. Reviews last updated June 12, 2025.
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,950 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Brussels Airlines
7.4
Good
355 reviews
Delta
8.0
Very good
7,950 reviews

Overall

8.0

Entertainment

7.9

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Oslo to Portland. 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 into for flights to Portland from Oslo?

    Located just 6.0 mi from the city center, Portland is the airport most travelers will use when flying to Portland from Oslo. Booking flights from Oslo to Portland (PDX) should be relatively easy as there are 0 daily inbound flights from Oslo from 1 airline.

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

    Currently priced at $490, Finnair will fly you from Oslo to Portland and back. In addition to Finnair, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Icelandair - these airlines can fly you to your destination from $536 and $545, respectively. These flights start at 19% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Oslo to Portland one-way?

    For one-way options, check prices for Icelandair. According to our data, you can fly for as low as $521. Users have also found prices from $580 and $630 on SWISS and Lufthansa, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oslo to Portland 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 Oslo to Portland?

    Currently, November is the cheapest month in which you can book a flight from Oslo to Portland (average of $277). Flying from Oslo to Portland in March is currently the most expensive (average of $368). 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

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Seaside
Vancouver
Beaverton
Clackamas
Lincoln City
McMinnville
Lake Oswego
Hillsboro
Gresham
Astoria
Long Beach
Cannon Beach
Tigard
Longview
Hood River
Depoe Bay
Woodburn
Stevenson
Pacific City
Troutdale

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Oslo to Portland

See prices for flight routes from nearby airports that may be better suited for you.
Oslo Gardermoen to Portland flights
Sandefjord to Portland flights
Stavanger to Portland flights

Top airline flying from Oslo to Portland

Discover the top airline that operate flights from Oslo to Portland. 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.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$421Average$701FlexibilityNo cancel feeOn-time75%

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