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Cheap flights from Portland to Oslo from $244

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 7/27. 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.
Multiple Airlines Logo
3:30 pm - 10:05 pm
PDX
-
OSL
21h 35m
2 stops
Multiple Airlines Logo
11:45 am - 9:30 am
OSL
-
PDX
30h 45m
2 stops
$507Multiple Airlines
Mon, May 18 - Mon, May 25
Multiple Airlines Logo
10:10 am - 6:00 pm
PDX
-
OSL
22h 50m
2 stops
Multiple Airlines Logo
6:55 am - 7:10 pm
OSL
-
PDX
21h 15m
2 stops
$514Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Multiple Airlines Logo
3:30 pm - 6:00 pm
PDX
-
OSL
17h 30m
2 stops
Multiple Airlines Logo
6:55 am - 7:10 pm
OSL
-
PDX
21h 15m
2 stops
$515Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Multiple Airlines Logo
3:30 pm - 6:00 pm
PDX
-
OSL
17h 30m
2 stops
Multiple Airlines Logo
6:35 am - 2:45 pm
OSL
-
PDX
17h 10m
2 stops
$519Multiple Airlines
Tue, Jun 9 - Wed, Jun 17
Air Canada Logo
3:30 pm - 5:55 pm
PDX
-
OSL
17h 25m
2 stops
Air Canada Logo
6:45 am - 9:30 am
OSL
-
PDX
35h 45m
2 stops
$521Air Canada
Mon, May 18 - Mon, May 25
Multiple Airlines Logo
3:30 pm - 6:00 pm
PDX
-
OSL
17h 30m
2 stops
Multiple Airlines Logo
9:55 am - 7:10 pm
OSL
-
PDX
18h 15m
2 stops
$524Multiple Airlines
Tue, Jun 9 - Tue, Jun 16
Lufthansa Logo
10:10 am - 6:00 pm
PDX
-
OSL
22h 50m
2 stops
Lufthansa Logo
6:55 am - 7:10 pm
OSL
-
PDX
21h 15m
2 stops
$534Lufthansa
Tue, Jun 2 - Tue, Jun 9
Lufthansa Logo
3:30 pm - 6:00 pm
PDX
-
OSL
17h 30m
2 stops
Lufthansa Logo
6:55 am - 7:10 pm
OSL
-
PDX
21h 15m
2 stops
$535Lufthansa
Tue, Jun 2 - Tue, Jun 9
Multiple Airlines Logo
3:30 pm - 10:05 pm
PDX
-
OSL
21h 35m
2 stops
Multiple Airlines Logo
11:45 am - 9:30 am
OSL
-
PDX
30h 45m
2 stops
$538Multiple Airlines
Mon, May 25 - Wed, Jun 3
Multiple Airlines Logo
10:10 am - 12:15 am
PDX
-
OSL
29h 05m
2 stops
Multiple Airlines Logo
2:05 pm - 7:10 pm
OSL
-
PDX
38h 05m
2 stops
$544Multiple Airlines
Mon, May 25 - Tue, Jun 2

Icelandair flights from Portland to Oslo Gardermoen Airport

Our best Icelandair deals on Portland to Oslo Gardermoen Airport flight tickets
Icelandair
May 26
PDX3:30 pmPortland
14h 55m
1 stop
OSL3:25 pmOslo Gardermoen
Jun 6
OSL4:30 pmOslo Gardermoen
34h 25m
1 stop
PDX5:55 pmPortland
$566
Icelandair
Aug 2
PDX7:05 pmPortland
32h 30m
1 stop
OSL12:35 pmOslo Gardermoen
Aug 12
OSL4:30 pmOslo Gardermoen
28h 15m
1 stop
PDX11:45 amPortland
$568
Icelandair
May 26
PDX3:30 pmPortland
14h 55m
1 stop
OSL3:25 pmOslo Gardermoen
Jun 7
OSL1:50 pmOslo Gardermoen
13h 05m
1 stop
PDX5:55 pmPortland
$569

Air Canada flights from Portland to Oslo Gardermoen Airport

Our best Air Canada deals on Portland to Oslo Gardermoen Airport flight tickets
Air Canada
May 18
PDX3:30 pmPortland
17h 25m
2 stops
OSL5:55 pmOslo Gardermoen
May 25
OSL6:45 amOslo Gardermoen
35h 45m
2 stops
PDX9:30 amPortland
$521
Air Canada
May 26
PDX7:45 pmPortland
41h 20m
2 stops
OSL10:05 pmOslo Gardermoen
Jun 6
OSL6:15 amOslo Gardermoen
41h 30m
2 stops
PDX2:45 pmPortland
$546
Air Canada
Jun 9
PDX3:30 pmPortland
17h 30m
2 stops
OSL6:00 pmOslo Gardermoen
Jun 16
OSL9:55 amOslo Gardermoen
18h 15m
2 stops
PDX7:10 pmPortland
$547

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 May 13, 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

Mon 5/18

3:30 pm-10:05 pm

2 stops21h 35m

Oslo Gardermoen

Mon 5/25

11:45 am-9:30 am

2 stops30h 45m

$507

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/9

10:10 am-6:00 pm

2 stops22h 50m

Oslo Gardermoen

Tue 6/16

6:55 am-7:10 pm

2 stops21h 15m

$514

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/9

3:30 pm-6:00 pm

2 stops17h 30m

Oslo Gardermoen

Tue 6/16

6:55 am-7:10 pm

2 stops21h 15m

$515
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/9

3:30 pm-6:00 pm

2 stops17h 30m

Oslo Gardermoen

Wed 6/17

6:35 am-2:45 pm

2 stops17h 10m

$519

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 5/18

3:30 pm-5:55 pm

2 stops17h 25m

Oslo Gardermoen

Mon 5/25

6:45 am-9:30 am

2 stops35h 45m

$521

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/9

3:30 pm-6:00 pm

2 stops17h 30m

Oslo Gardermoen

Tue 6/16

9:55 am-7:10 pm

2 stops18h 15m

$524

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/2

10:10 am-6:00 pm

2 stops22h 50m

Oslo Gardermoen

Tue 6/9

6:55 am-7:10 pm

2 stops21h 15m

$534

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 6/2

3:30 pm-6:00 pm

2 stops17h 30m

Oslo Gardermoen

Tue 6/9

6:55 am-7:10 pm

2 stops21h 15m

$535

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 5/25

3:30 pm-10:05 pm

2 stops21h 35m

Oslo Gardermoen

Wed 6/3

11:45 am-9:30 am

2 stops30h 45m

$538

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 5/25

10:10 am-12:15 am

2 stops29h 05m

Oslo Gardermoen

Tue 6/2

2:05 pm-7:10 pm

2 stops38h 05m

$544

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 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 $675 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 $483 on momondo.

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

You could potentially save up to 5% 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 May 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 76% 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 20m

Direct flights

None
The fastest flight from Portland to Oslo Gardermoen Airport takes 11h 20m
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 20m, 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
654 reviews
Search Icelandair flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,979 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,453 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,517 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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