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Cheap flights from Portland to Oslo from $208

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 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.
1 adult
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.
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m1 stop
British Airways Logo
7:10 am - 3:55 pm
OSL
-
PDX
17h 45m1 stop
$490British Airways
Wed, Feb 18 - Fri, Feb 27
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m1 stop
British Airways Logo
7:20 am - 3:55 pm
OSL
-
PDX
17h 35m1 stop
$491British Airways
Mon, Feb 9 - Mon, Feb 16
Lufthansa Logo
7:00 am - 5:40 pm
PDX
-
OSL
25h 40m2 stops
Lufthansa Logo
6:15 am - 6:30 pm
OSL
-
PDX
21h 15m2 stops
$495Lufthansa
Fri, Jan 23 - Fri, Jan 30
Lufthansa Logo
1:18 pm - 5:40 pm
PDX
-
OSL
19h 22m2 stops
Lufthansa Logo
6:15 am - 11:04 pm
OSL
-
PDX
24h 49m2 stops
$505Lufthansa
Mon, Feb 23 - Tue, Mar 10
Lufthansa Logo
3:50 pm - 11:40 pm
PDX
-
OSL
22h 50m2 stops
Lufthansa Logo
6:10 am - 6:49 pm
OSL
-
PDX
21h 39m2 stops
$506Lufthansa
Wed, Feb 18 - Fri, Feb 27
Lufthansa Logo
3:50 pm - 11:40 pm
PDX
-
OSL
22h 50m2 stops
Lufthansa Logo
6:10 am - 11:19 pm
OSL
-
PDX
26h 09m2 stops
$507Lufthansa
Wed, Feb 18 - Fri, Feb 27
Delta Logo
1:45 pm - 6:50 pm
PDX
-
OSL
21h 05m2 stops
Delta Logo
6:30 am - 12:25 pm
OSL
-
PDX
13h 55m1 stop
$509Delta
Wed, Mar 11 - Mon, Mar 16
British Airways Logo
2:05 pm - 10:55 am
PDX
-
OSL
35h 50m2 stops
British Airways Logo
7:10 am - 3:55 pm
OSL
-
PDX
17h 45m1 stop
$511British Airways
Wed, Feb 18 - Fri, Feb 27
British Airways Logo
2:05 pm - 10:35 am
PDX
-
OSL
35h 30m2 stops
British Airways Logo
8:50 pm - 4:55 pm
OSL
-
PDX
28h 05m2 stops
$512British Airways
Sat, Feb 28 - Sat, Mar 14
British Airways Logo
2:05 pm - 10:35 am
PDX
-
OSL
35h 30m2 stops
British Airways Logo
8:50 pm - 4:55 pm
OSL
-
PDX
28h 05m2 stops
$513British Airways
Sat, Feb 28 - Sat, Mar 14

Delta flights from Portland to Oslo Gardermoen Airport

Our best Delta deals on Portland to Oslo Gardermoen Airport flight tickets
Delta
Mar 11
PDX1:45 pmPortland
21h 05m
2 stops
OSL6:50 pmOslo Gardermoen
Mar 16
OSL6:30 amOslo Gardermoen
13h 55m
1 stop
PDX12:25 pmPortland
$509
Find similar
Delta
Jan 23
PDX11:10 amPortland
20h 10m
2 stops
OSL4:20 pmOslo Gardermoen
Jan 30
OSL6:30 amOslo Gardermoen
13h 55m
1 stop
PDX11:25 amPortland
$516
Find similar
Delta
Feb 18
PDX11:35 amPortland
19h 45m
2 stops
OSL4:20 pmOslo Gardermoen
Feb 22
OSL6:30 amOslo Gardermoen
13h 55m
1 stop
PDX11:25 amPortland
$517
Find similar

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 23
PDX5:00 amPortland
27h 40m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 27
OSL6:15 amOslo Gardermoen
23h 57m
2 stops
PDX9:12 pmPortland
$527
Find similar
United Airlines
Jan 23
PDX5:00 amPortland
27h 40m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 27
OSL6:15 amOslo Gardermoen
45h 41m
3 stops
PDX6:56 pmPortland
$537
Find similar
United Airlines
Feb 28
PDX1:18 pmPortland
42h 52m
3 stops
OSL5:10 pmOslo Gardermoen
Mar 14
OSL1:50 pmOslo Gardermoen
18h 45m
2 stops
PDX12:35 amPortland
$539
Find similar

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 December 28, 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

Wed 2/18

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$490

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/9

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Mon 2/16

7:20 am-3:55 pm

1 stop17h 35m

$491

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 1/23

7:00 am-5:40 pm

2 stops25h 40m

Oslo Gardermoen

Fri 1/30

6:15 am-6:30 pm

2 stops21h 15m

$495

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/23

1:18 pm-5:40 pm

2 stops19h 22m

Oslo Gardermoen

Tue 3/10

6:15 am-11:04 pm

2 stops24h 49m

$505

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

3:50 pm-11:40 pm

2 stops22h 50m

Oslo Gardermoen

Fri 2/27

6:10 am-6:49 pm

2 stops21h 39m

$506

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

3:50 pm-11:40 pm

2 stops22h 50m

Oslo Gardermoen

Fri 2/27

6:10 am-11:19 pm

2 stops26h 09m

$507

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 3/11

1:45 pm-6:50 pm

2 stops21h 05m

Oslo Gardermoen

Mon 3/16

6:30 am-12:25 pm

1 stop13h 55m

$509

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

2:05 pm-10:55 am

2 stops35h 50m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$511

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 2/28

2:05 pm-10:35 am

2 stops35h 30m

Oslo Gardermoen

Sat 3/14

8:50 pm-4:55 pm

2 stops28h 05m

$512

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 2/28

2:05 pm-10:35 am

2 stops35h 30m

Oslo Gardermoen

Sat 3/14

8:50 pm-4:55 pm

2 stops28h 05m

$513

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 November. Flight prices, which tend to average around $549, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of November, then book flights to Oslo Gardermoen Airport from Portland during October instead. Flights to Oslo Gardermoen Airport in October, while not as cheap as those in November, still average around $578.

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 $799 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 $614 on momondo.

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

You could potentially save up to 2% 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

12h 05m

Direct flights

None
The fastest flight from Portland to Oslo Gardermoen Airport takes 12h 05m
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

  • 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 12h 05m, 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
1,630 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $436Free CancellationRating
7.0
592 reviews
Search Icelandair flights
British AirwaysPriceFrom $579Free CancellationRating
6.7
7,616 reviews
Search British Airways flights
DeltaPriceFrom $589Free CancellationRating
7.9
8,016 reviews
Search Delta flights
KLMPriceFrom $611Free CancellationRating
7.7
1,435 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.

An easier way to manage your Oslo Gardermoen Airport trip

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