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Cheap flights from Portland to Oslo from $267

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
3:45 pm - 8:35 pm
PDX
-
OSL
20h 50m
1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
PDX
12h 50m
1 stop
$444Icelandair
Sat, Oct 31 - Wed, Nov 4
Icelandair Logo
2:45 pm - 11:35 am
PDX
-
OSL
11h 50m
1 stop
Icelandair Logo
9:30 pm - 5:00 pm
OSL
-
PDX
28h 30m
1 stop
$445Icelandair
Tue, Nov 10 - Sun, Nov 15
Air Canada Logo
10:00 am - 5:40 pm
PDX
-
OSL
22h 40m
2 stops
Air Canada Logo
6:15 am - 9:26 am
OSL
-
PDX
36h 11m
2 stops
$496Air Canada
Thu, Dec 3 - Tue, Dec 8
Multiple Airlines Logo
1:15 pm - 5:40 pm
PDX
-
OSL
44h 25m
2 stops
Multiple Airlines Logo
1:00 pm - 9:02 pm
OSL
-
PDX
41h 02m
2 stops
$497Multiple Airlines
Sat, Oct 31 - Wed, Nov 4
Delta Logo
6:00 am - 1:50 pm
PDX
-
OSL
22h 50m
2 stops
Delta Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$546Delta
Tue, Nov 10 - Sun, Nov 15
Delta Logo
11:43 am - 4:10 pm
PDX
-
OSL
20h 27m
2 stops
Delta Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$546Delta
Sat, Oct 31 - Wed, Nov 4
KLM Logo
1:05 pm - 4:25 pm
PDX
-
OSL
18h 20m
1 stop
KLM Logo
6:30 am - 11:10 am
OSL
-
PDX
13h 40m
1 stop
$573KLM
Sat, Aug 15 - Sat, Aug 22
KLM Logo
7:00 am - 8:45 am
PDX
-
OSL
16h 45m
2 stops
KLM Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$577KLM
Tue, Nov 17 - Mon, Nov 30
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m
1 stop
British Airways Logo
6:55 am - 3:50 pm
OSL
-
PDX
17h 55m
1 stop
$775British Airways
Wed, Nov 25 - Wed, Dec 9
British Airways Logo
5:45 pm - 10:55 am
PDX
-
OSL
32h 10m
1 stop
British Airways Logo
6:30 pm - 3:50 pm
OSL
-
PDX
30h 20m
1 stop
$833British Airways
Sun, Nov 15 - Sat, Nov 21

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Lufthansa flights from Portland to Oslo Gardermoen Airport

Our best Lufthansa deals on Portland to Oslo Gardermoen Airport flight tickets
Lufthansa
Oct 14
PDX3:30 pmPortland
21h 35m
2 stops
OSL10:05 pmOslo Gardermoen
Oct 19
OSL6:45 amOslo Gardermoen
21h 21m
2 stops
PDX7:06 pmPortland
$501
Lufthansa
Aug 16
PDX10:10 amPortland
26h 55m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 20
OSL6:45 amOslo Gardermoen
21h 26m
2 stops
PDX7:11 pmPortland
$507
Lufthansa
Aug 23
PDX2:27 pmPortland
22h 38m
2 stops
OSL10:05 pmOslo Gardermoen
Sep 2
OSL7:10 amOslo Gardermoen
22h 55m
2 stops
PDX9:05 pmPortland
$521

United Airlines flights from Portland to Oslo Gardermoen Airport

Our best United Airlines deals on Portland to Oslo Gardermoen Airport flight tickets
United Airlines
Aug 6
PDX11:05 amPortland
26h 00m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 25
OSL6:55 amOslo Gardermoen
16h 56m
2 stops
PDX2:51 pmPortland
$506
United Airlines
Aug 12
PDX5:00 amPortland
32h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL11:45 amOslo Gardermoen
20h 00m
2 stops
PDX10:45 pmPortland
$508
United Airlines
Aug 12
PDX11:02 pmPortland
33h 13m
2 stops
OSL5:15 pmOslo Gardermoen
Aug 24
OSL11:45 amOslo Gardermoen
20h 00m
2 stops
PDX10:45 pmPortland
$512

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 July 29, 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

Sat 10/31

3:45 pm-8:35 pm

1 stop20h 50m

Oslo Gardermoen

Wed 11/4

1:10 pm-5:00 pm

1 stop12h 50m

$444

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 11/10

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sun 11/15

9:30 pm-5:00 pm

1 stop28h 30m

$445

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 12/3

10:00 am-5:40 pm

2 stops22h 40m

Oslo Gardermoen

Tue 12/8

6:15 am-9:26 am

2 stops36h 11m

$496

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 10/31

1:15 pm-5:40 pm

2 stops44h 25m

Oslo Gardermoen

Wed 11/4

1:00 pm-9:02 pm

2 stops41h 02m

$497

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 11/10

6:00 am-1:50 pm

2 stops22h 50m

Oslo Gardermoen

Sun 11/15

6:05 am-11:20 am

1 stop14h 15m

$546

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 10/31

11:43 am-4:10 pm

2 stops20h 27m

Oslo Gardermoen

Wed 11/4

6:05 am-11:20 am

1 stop14h 15m

$546

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 8/15

1:05 pm-4:25 pm

1 stop18h 20m

Oslo Gardermoen

Sat 8/22

6:30 am-11:10 am

1 stop13h 40m

$573
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 11/17

7:00 am-8:45 am

2 stops16h 45m

Oslo Gardermoen

Mon 11/30

6:05 am-11:20 am

1 stop14h 15m

$577

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 11/25

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Wed 12/9

6:55 am-3:50 pm

1 stop17h 55m

$775

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/15

5:45 pm-10:55 am

1 stop32h 10m

Oslo Gardermoen

Sat 11/21

6:30 pm-3:50 pm

1 stop30h 20m

$833

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 $444.

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 July 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 47% 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 25m

Direct flights

None
The fastest flight from Portland to Oslo Gardermoen Airport takes 11h 25m
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 25m, 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
7.0
716 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,906 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,127 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.8
8,489 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.8
1,551 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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