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Cheap flights from Portland to Oslo from $394

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Oslo departing on 3/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:45 pm - 11:35 amPDX-OSL
11h 50m1 stop
Icelandair Logo
1:10 pm - 6:00 pmOSL-PDX
12h 50m1 stop
$394Icelandair
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Mon, Mar 9 - Mon, Mar 16
Icelandair Logo
3:45 pm - 11:35 amPDX-OSL
11h 50m1 stop
Icelandair Logo
1:10 pm - 6:00 pmOSL-PDX
12h 50m1 stop
$460Icelandair
Find Deal
Tue, Mar 10 - Mon, Mar 16
Icelandair Logo
3:45 pm - 11:35 amPDX-OSL
11h 50m1 stop
Icelandair Logo
4:30 pm - 6:00 pmOSL-PDX
34h 30m1 stop
$465Icelandair
Find Deal
Tue, Mar 24 - Sat, Apr 4
Multiple Airlines Logo
5:45 pm - 7:30 amPDX-OSL
28h 45m2 stops
Multiple Airlines Logo
8:15 am - 11:05 pmOSL-PDX
23h 50m2 stops
$467Multiple Airlines
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Wed, Feb 18 - Fri, Feb 27
British Airways Logo
5:45 pm - 10:40 pmPDX-OSL
19h 55m1 stop
British Airways Logo
6:30 pm - 3:55 pmOSL-PDX
30h 25m1 stop
$468British Airways
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Sun, Jan 11 - Sat, Jan 24
British Airways Logo
5:45 pm - 10:40 pmPDX-OSL
19h 55m1 stop
British Airways Logo
6:30 pm - 3:55 pmOSL-PDX
30h 25m1 stop
$477British Airways
Find Deal
Sun, Jan 11 - Sat, Jan 24
Icelandair Logo
3:45 pm - 11:35 amPDX-OSL
11h 50m1 stop
Icelandair Logo
4:30 pm - 6:00 pmOSL-PDX
34h 30m1 stop
$486Icelandair
Find Deal
Thu, Mar 26 - Sat, Apr 4
Scandinavian Airlines Logo
1:00 pm - 6:15 pmPDX-OSL
21h 15m2 stops
Scandinavian Airlines Logo
1:05 pm - 9:35 pmOSL-PDX
17h 30m1 stop
$487Scandinavian Airlines
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Tue, Mar 24 - Sat, Apr 4
Multiple Airlines Logo
5:45 pm - 7:50 amPDX-OSL
29h 05m2 stops
Multiple Airlines Logo
8:45 am - 7:02 pmOSL-PDX
19h 17m2 stops
$492Multiple Airlines
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Sun, Jan 11 - Sat, Jan 24
British Airways Logo
5:45 pm - 10:40 pmPDX-OSL
19h 55m1 stop
British Airways Logo
7:10 am - 8:27 pmOSL-PDX
22h 17m2 stops
$494British Airways
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Sun, Jan 11 - Sat, Jan 24

Lufthansa flights from Portland to Oslo Gardermoen Airport

Our best Lufthansa deals on Portland to Oslo Gardermoen Airport flight tickets
Lufthansa
Feb 3
PDX8:30 amPortland
24h 10m
2 stops
OSL5:40 pmOslo Gardermoen
Feb 9
OSL6:15 amOslo Gardermoen
21h 15m
2 stops
PDX6:30 pmPortland
$498
Find similar
Lufthansa
Jan 11
PDX1:24 pmPortland
43h 16m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 24
OSL1:50 pmOslo Gardermoen
19h 49m
2 stops
PDX12:39 amPortland
$505
Find similar
Lufthansa
Dec 9
PDX8:30 amPortland
22h 10m
2 stops
OSL3:40 pmOslo Gardermoen
Dec 14
OSL9:35 amOslo Gardermoen
24h 02m
2 stops
PDX12:37 amPortland
$560
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United Airlines flights from Portland to Oslo Gardermoen Airport

Our best United Airlines deals on Portland to Oslo Gardermoen Airport flight tickets
United Airlines
Jan 9
PDX1:24 pmPortland
24h 56m
3 stops
OSL11:20 pmOslo Gardermoen
Jan 16
OSL6:15 amOslo Gardermoen
25h 17m
2 stops
PDX10:32 pmPortland
$533
Find similar
United Airlines
Dec 9
PDX8:30 amPortland
19h 35m
2 stops
OSL1:05 pmOslo Gardermoen
Dec 14
OSL9:35 amOslo Gardermoen
59h 37m
3 stops
PDX12:12 pmPortland
$601
Find similar
United Airlines
Dec 6
PDX12:55 pmPortland
43h 45m
2 stops
OSL5:40 pmOslo Gardermoen
Dec 12
OSL6:15 amOslo Gardermoen
25h 00m
2 stops
PDX10:15 pmPortland
$609
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momondo Fare Finder

 
Customize your flight search to find flights from Portland to Oslo Gardermoen Airport 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, momondo users made 832,500 searches. Data last updated November 26, 2025.
Use the filters below to find and compare flights from Portland to Oslo Gardermoen Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 3/16

1:10 pm-6:00 pm

1 stop12h 50m

$394

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/10

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 3/16

1:10 pm-6:00 pm

1 stop12h 50m

$460

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/24

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sat 4/4

4:30 pm-6:00 pm

1 stop34h 30m

$465

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:45 pm-7:30 am

2 stops28h 45m

Oslo Gardermoen

Fri 2/27

8:15 am-11:05 pm

2 stops23h 50m

$467

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 1/24

6:30 pm-3:55 pm

1 stop30h 25m

$468

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 1/24

6:30 pm-3:55 pm

1 stop30h 25m

$477

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 3/26

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sat 4/4

4:30 pm-6:00 pm

1 stop34h 30m

$486

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/24

1:00 pm-6:15 pm

2 stops21h 15m

Oslo Gardermoen

Sat 4/4

1:05 pm-9:35 pm

1 stop17h 30m

$487

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-7:50 am

2 stops29h 05m

Oslo Gardermoen

Sat 1/24

8:45 am-7:02 pm

2 stops19h 17m

$492

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 1/24

7:10 am-8:27 pm

2 stops22h 17m

$494

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Oslo from

How to get the cheapest flight ticket from Portland to Oslo Gardermoen Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Portland and Oslo Gardermoen Airport?

What is the cheapest month to fly to Oslo Gardermoen Airport?

The cheapest month to fly to Oslo Gardermoen Airport from Portland is in October. Flight prices, which tend to average around $578, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Oslo Gardermoen Airport from Portland during September instead. Flights to Oslo Gardermoen Airport in September, while not as cheap as those in October, still average around $639.

What is the cheapest day to depart on your flight to Oslo Gardermoen Airport?

According to our data, Tuesday is the cheapest day to fly to Oslo Gardermoen Airport from Portland. The lowest ticket price found for a Tuesday departure recently was $971. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Oslo Gardermoen Airport for around $1,320.

What is the cheapest time of day to depart on your flight to Oslo Gardermoen Airport?

Our most recent data shows that the best time of day to fly to Oslo Gardermoen Airport is in the morning. Flights from Portland to Oslo Gardermoen Airport during this time can be as low as $926. In contrast, the most expensive time of day to depart to Oslo Gardermoen Airport is in the afternoon when prices are around $1,216.

How far in advance should I book a flight to Oslo Gardermoen Airport?

You are more likely to see cheaper flights to Oslo Gardermoen Airport from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo Gardermoen Airport for around $846 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo Gardermoen Airport from Portland for as low as $626 on momondo.

Can stopping save me money on Portland to Oslo Gardermoen Airport flights?

You could potentially save up to 29% on your flight if you consider stops on a Portland to Oslo Gardermoen Airport flight.

When to book flights from Portland to Oslo Gardermoen Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Portland to Oslo Gardermoen Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland to Oslo Gardermoen Airport (PDX to OSL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Oslo Gardermoen Airport

Fastest flight time

11h 50m

Direct flights

None
The fastest flight from Portland to Oslo Gardermoen Airport takes 11h 50m
There are no direct flights from Portland to Oslo Gardermoen Airport. There are no popular flight routes from Portland to Oslo Gardermoen Airport.
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  • How far is Portland to Oslo Gardermoen by plane?

    Portland and Oslo Gardermoen are 4679.7 mi apart from one another. Flights usually cover this in 11h 50m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Portland Airport to Oslo Gardermoen Airport?

    Prices for flights from Portland Airport to Oslo Gardermoen Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Oslo Gardermoen Airport?

  • How old do you have to be to fly from Portland Airport to Oslo Gardermoen Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Oslo Gardermoen Airport.

  • What documentation or ID do you need to fly to Oslo Gardermoen Airport?

    The travel and health documents required for your trip to Oslo Gardermoen Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Oslo Gardermoen Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Oslo Gardermoen Airport?

Best airlines flying from Portland to Oslo Gardermoen Airport

Compare and see reviews for airlines that fly from Portland to Oslo Gardermoen Airport with momondo
Airline
Rating
Free Cancellation
Price
Scandinavian AirlinesPriceFrom $317Free CancellationRating
7.4
1,589 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $501Free CancellationRating
7.0
581 reviews
Search Icelandair flights
British AirwaysPriceFrom $581Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
DeltaPriceFrom $590Free CancellationRating
7.9
8,000 reviews
Search Delta flights
KLMPriceFrom $607Free CancellationRating
7.7
1,423 reviews
Search KLM flights

Traveling to a place near Oslo?

Book flights to Oslo if you plan to visit one of these locations
Gardermoen
Fredrikstad
Drammen
Lillehammer

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Oslo?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Portland to Oslo. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Portland to Oslo with flexible booking policies on momondo?

momondo does allow users to show only those flights to Oslo from Portland which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Portland to Oslo?

momondo provides multiple filters to help you find the best flight to Oslo from Portland. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Portland to Oslo right now. Can momondo alert me if prices change?

Price alerts on flights to Oslo from Portland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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