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Cheap flights from Portland to Oslo from $294

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland to Oslo departing on 8/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Portland to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 11:50 am
OSL
-
PDX
28h 20m
1 stop
$413Icelandair
Thu, Aug 20 - Wed, Sep 2
Icelandair Logo
2:45 pm - 11:35 am
PDX
-
OSL
11h 50m
1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
PDX
12h 50m
1 stop
$440Icelandair
Mon, Nov 2 - Mon, Nov 9
SWISS Logo
8:17 am - 12:10 am
PDX
-
OSL
30h 53m
2 stops
SWISS Logo
5:35 am - 8:59 pm
OSL
-
PDX
24h 24m
2 stops
$489SWISS
Wed, Aug 26 - Mon, Aug 31
Multiple Airlines Logo
7:45 pm - 5:55 pm
PDX
-
OSL
37h 10m
2 stops
Multiple Airlines Logo
1:00 pm - 10:27 pm
OSL
-
PDX
42h 27m
2 stops
$493Multiple Airlines
Sun, Oct 18 - Thu, Nov 12
Delta Logo
11:25 am - 4:10 pm
PDX
-
OSL
20h 45m
2 stops
Delta Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$545Delta
Sat, Oct 31 - Wed, Nov 4
Delta Logo
1:38 pm - 4:10 pm
PDX
-
OSL
17h 32m
2 stops
Delta Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$546Delta
Fri, Jan 22 - Fri, Jan 29
KLM Logo
1:20 pm - 4:10 pm
PDX
-
OSL
17h 50m
1 stop
KLM Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$553KLM
Fri, Jan 22 - Fri, Jan 29
KLM Logo
9:55 am - 12:25 pm
PDX
-
OSL
17h 30m
2 stops
KLM Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$556KLM
Mon, Nov 2 - Mon, Nov 9
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m
1 stop
British Airways Logo
3:05 pm - 3:50 pm
OSL
-
PDX
33h 45m
1 stop
$782British Airways
Sun, Nov 8 - Thu, Nov 12
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m
1 stop
British Airways Logo
3:05 pm - 3:50 pm
OSL
-
PDX
33h 45m
1 stop
$783British Airways
Sun, Nov 8 - Thu, Nov 12

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Brussels Airlines flights from Portland to Oslo Gardermoen Airport

Our best Brussels Airlines deals on Portland to Oslo Gardermoen Airport flight tickets
Brussels Airlines
Aug 17
PDX8:25 amPortland
23h 50m
2 stops
OSL5:15 pmOslo Gardermoen
Aug 24
OSL6:45 amOslo Gardermoen
22h 25m
2 stops
PDX8:10 pmPortland
$531
Brussels Airlines
Sep 2
PDX8:25 amPortland
23h 50m
2 stops
OSL5:15 pmOslo Gardermoen
Sep 28
OSL6:45 amOslo Gardermoen
22h 25m
2 stops
PDX8:10 pmPortland
$542

KLM flights from Portland to Oslo Gardermoen Airport

Our best KLM deals on Portland to Oslo Gardermoen Airport flight tickets
KLM
Jan 22
PDX1:20 pmPortland
17h 50m
1 stop
OSL4:10 pmOslo Gardermoen
Jan 29
OSL6:05 amOslo Gardermoen
14h 15m
1 stop
PDX11:20 amPortland
$553
KLM
Nov 2
PDX9:55 amPortland
17h 30m
2 stops
OSL12:25 pmOslo Gardermoen
Nov 9
OSL6:05 amOslo Gardermoen
14h 15m
1 stop
PDX11:20 amPortland
$556
KLM
Nov 2
PDX9:55 amPortland
17h 30m
2 stops
OSL12:25 pmOslo Gardermoen
Nov 9
OSL6:05 amOslo Gardermoen
14h 15m
1 stop
PDX11:20 amPortland
$557

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 August 3, 2026.
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

Cheapest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 8/20

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Wed 9/2

4:30 pm-11:50 am

1 stop28h 20m

$413
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 11/2

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 11/9

1:10 pm-5:00 pm

1 stop12h 50m

$440

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 8/26

8:17 am-12:10 am

2 stops30h 53m

Oslo Gardermoen

Mon 8/31

5:35 am-8:59 pm

2 stops24h 24m

$489

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 10/18

7:45 pm-5:55 pm

2 stops37h 10m

Oslo Gardermoen

Thu 11/12

1:00 pm-10:27 pm

2 stops42h 27m

$493

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 10/31

11:25 am-4:10 pm

2 stops20h 45m

Oslo Gardermoen

Wed 11/4

6:05 am-11:20 am

1 stop14h 15m

$545

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 1/22

1:38 pm-4:10 pm

2 stops17h 32m

Oslo Gardermoen

Fri 1/29

6:05 am-11:20 am

1 stop14h 15m

$546

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 1/22

1:20 pm-4:10 pm

1 stop17h 50m

Oslo Gardermoen

Fri 1/29

6:05 am-11:20 am

1 stop14h 15m

$553

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 11/2

9:55 am-12:25 pm

2 stops17h 30m

Oslo Gardermoen

Mon 11/9

6:05 am-11:20 am

1 stop14h 15m

$556

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/8

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Thu 11/12

3:05 pm-3:50 pm

1 stop33h 45m

$782

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/8

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Thu 11/12

3:05 pm-3:50 pm

1 stop33h 45m

$783

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?

Prices are currently low for flights on this route.

Typical prices usually range from $594 to $870.
The lowest price recently found on this route was $413.

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

The cheapest month to fly to Oslo Gardermoen Airport from Portland is in April. Flight prices, which tend to average around $436, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of April, then book flights to Oslo Gardermoen Airport from Portland during November instead. Flights to Oslo Gardermoen Airport in November, while not as cheap as those in April, still average around $506.

How far in advance should I book a flight from Portland 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 $658 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 $537 on momondo.

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

You could potentially save up to 23% on your flight if you consider stops on a Portland to Oslo Gardermoen Airport flight.

How have Portland to Oslo Gardermoen Airport flight prices changed over time?

As of August 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 67% cheaper when compared to flights at the same time last year.

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.
Search flight deals

Frequently asked questions about flying from Portland to Oslo Gardermoen Airport

  • 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
IcelandairPriceFrom $424Free CancellationRating
6.9
720 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,915 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,148 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.8
8,483 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.8
1,552 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
Lillehammer
Drammen

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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