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Cheap flights from Portland to Oslo from $219

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 5/1. 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

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 - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
PDX
12h 50m
1 stop
$479Icelandair
Mon, Sep 28 - Mon, Nov 2
SWISS Logo
7:00 am - 12:10 am
PDX
-
OSL
32h 10m
2 stops
SWISS Logo
5:35 am - 11:09 pm
OSL
-
PDX
26h 34m
2 stops
$499SWISS
Wed, Aug 19 - Wed, Aug 26
Multiple Airlines Logo
3:30 pm - 10:05 pm
PDX
-
OSL
21h 35m
2 stops
Multiple Airlines Logo
7:10 am - 9:30 am
OSL
-
PDX
35h 20m
2 stops
$502Multiple Airlines
Wed, May 13 - Tue, Jun 2
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
$503Multiple Airlines
Wed, May 13 - Tue, Jun 16
United Airlines Logo
8:40 am - 10:05 pm
PDX
-
OSL
28h 25m
2 stops
United Airlines Logo
7:10 am - 10:52 pm
OSL
-
PDX
24h 42m
2 stops
$506United Airlines
Mon, Aug 17 - Mon, Aug 24
Air Canada Logo
7:45 pm - 1:15 pm
PDX
-
OSL
56h 30m
2 stops
Air Canada Logo
9:55 am - 9:30 am
OSL
-
PDX
32h 35m
2 stops
$507Air Canada
Sun, May 10 - Tue, Jun 2
Lufthansa Logo
11:09 am - 10:05 pm
PDX
-
OSL
25h 56m
2 stops
Lufthansa Logo
7:10 am - 8:55 pm
OSL
-
PDX
22h 45m
2 stops
$508Lufthansa
Mon, Aug 17 - Mon, Aug 24
SWISS Logo
7:00 am - 12:10 am
PDX
-
OSL
32h 10m
2 stops
SWISS Logo
5:35 am - 8:50 pm
OSL
-
PDX
24h 15m
2 stops
$510SWISS
Wed, Aug 19 - Fri, Aug 28
Air Canada Logo
3:30 pm - 6:00 pm
PDX
-
OSL
17h 30m
2 stops
Air Canada Logo
9:55 am - 7:10 pm
OSL
-
PDX
18h 15m
2 stops
$511Air Canada
Tue, May 12 - Fri, Jun 5
Multiple Airlines Logo
7:15 am - 12:15 am
PDX
-
OSL
32h 00m
2 stops
Multiple Airlines Logo
2:05 pm - 7:10 pm
OSL
-
PDX
38h 05m
2 stops
$512Multiple Airlines
Wed, May 13 - Tue, Jun 2

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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
Aug 17
PDX11:09 amPortland
25h 56m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL7:10 amOslo Gardermoen
22h 45m
2 stops
PDX8:55 pmPortland
$508
Lufthansa
Aug 19
PDX10:35 amPortland
22h 20m
2 stops
OSL5:55 pmOslo Gardermoen
Aug 27
OSL6:45 amOslo Gardermoen
25h 24m
2 stops
PDX11:09 pmPortland
$513
Lufthansa
May 13
PDX1:37 pmPortland
23h 28m
2 stops
OSL10:05 pmOslo Gardermoen
May 27
OSL7:10 amOslo Gardermoen
24h 53m
2 stops
PDX11:03 pmPortland
$519

SWISS flights from Portland to Oslo Gardermoen Airport

Our best SWISS deals on Portland to Oslo Gardermoen Airport flight tickets
SWISS
Aug 19
PDX7:00 amPortland
32h 10m
2 stops
OSL12:10 amOslo Gardermoen
Aug 26
OSL5:35 amOslo Gardermoen
26h 34m
2 stops
PDX11:09 pmPortland
$499
SWISS
Aug 19
PDX7:00 amPortland
32h 10m
2 stops
OSL12:10 amOslo Gardermoen
Aug 28
OSL5:35 amOslo Gardermoen
24h 15m
2 stops
PDX8:50 pmPortland
$510

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 April 26, 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
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 9/28

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 11/2

1:10 pm-5:00 pm

1 stop12h 50m

$479

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 8/19

7:00 am-12:10 am

2 stops32h 10m

Oslo Gardermoen

Wed 8/26

5:35 am-11:09 pm

2 stops26h 34m

$499

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 5/13

3:30 pm-10:05 pm

2 stops21h 35m

Oslo Gardermoen

Tue 6/2

7:10 am-9:30 am

2 stops35h 20m

$502

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 5/13

3:30 pm-10:05 pm

2 stops21h 35m

Oslo Gardermoen

Tue 6/16

11:45 am-9:30 am

2 stops30h 45m

$503

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 8/17

8:40 am-10:05 pm

2 stops28h 25m

Oslo Gardermoen

Mon 8/24

7:10 am-10:52 pm

2 stops24h 42m

$506

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 5/10

7:45 pm-1:15 pm

2 stops56h 30m

Oslo Gardermoen

Tue 6/2

9:55 am-9:30 am

2 stops32h 35m

$507

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 8/17

11:09 am-10:05 pm

2 stops25h 56m

Oslo Gardermoen

Mon 8/24

7:10 am-8:55 pm

2 stops22h 45m

$508

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 8/19

7:00 am-12:10 am

2 stops32h 10m

Oslo Gardermoen

Fri 8/28

5:35 am-8:50 pm

2 stops24h 15m

$510

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 5/12

3:30 pm-6:00 pm

2 stops17h 30m

Oslo Gardermoen

Fri 6/5

9:55 am-7:10 pm

2 stops18h 15m

$511

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 5/13

7:15 am-12:15 am

2 stops32h 00m

Oslo Gardermoen

Tue 6/2

2:05 pm-7:10 pm

2 stops38h 05m

$512

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 January instead. Flights to Oslo Gardermoen Airport in January, while not as cheap as those in April, still average around $538.

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 $673 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 $569 on momondo.

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

You could potentially save up to 9% 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 April 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 74% 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
642 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,761 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,917 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,460 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,508 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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