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Cheap flights from Portland to Oslo from $229

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 7/8. 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.
SWISS Logo
1:14 pm - 1:15 pm
PDX
-
OSL
39h 01m
2 stops
SWISS Logo
2:05 pm - 7:06 pm
OSL
-
PDX
38h 01m
2 stops
$499SWISS
Thu, Sep 10 - Tue, Sep 15
United Airlines Logo
12:50 pm - 10:05 pm
PDX
-
OSL
24h 15m
2 stops
United Airlines Logo
7:10 am - 10:52 pm
OSL
-
PDX
24h 42m
2 stops
$506United Airlines
Thu, Aug 13 - Sun, Aug 23
United Airlines Logo
10:35 am - 10:05 pm
PDX
-
OSL
26h 30m
2 stops
United Airlines Logo
7:10 am - 10:52 pm
OSL
-
PDX
24h 42m
2 stops
$507United Airlines
Wed, Aug 12 - Thu, Aug 20
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
1:14 pm - 1:15 pm
PDX
-
OSL
39h 01m
2 stops
SWISS Logo
2:05 pm - 8:50 pm
OSL
-
PDX
39h 45m
2 stops
$509SWISS
Thu, Sep 10 - Mon, Sep 14
Icelandair Logo
7:05 pm - 3:25 pm
PDX
-
OSL
11h 20m
1 stop
Icelandair Logo
4:30 pm - 5:55 pm
OSL
-
PDX
34h 25m
1 stop
$511Icelandair
Wed, Sep 2 - Tue, Sep 15
Icelandair Logo
7:05 pm - 3:25 pm
PDX
-
OSL
11h 20m
1 stop
Icelandair Logo
4:30 pm - 5:55 pm
OSL
-
PDX
34h 25m
1 stop
$514Icelandair
Wed, Sep 2 - Tue, Sep 8
United Airlines Logo
5:00 am - 5:55 pm
PDX
-
OSL
27h 55m
2 stops
United Airlines Logo
6:55 am - 7:06 pm
OSL
-
PDX
21h 11m
2 stops
$515United Airlines
Wed, Sep 2 - Tue, Sep 15
Icelandair Logo
7:05 pm - 3:25 pm
PDX
-
OSL
11h 20m
1 stop
Icelandair Logo
4:30 pm - 11:45 am
OSL
-
PDX
28h 15m
1 stop
$516Icelandair
Sun, Aug 23 - Fri, Sep 11
United Airlines Logo
11:09 am - 10:05 pm
PDX
-
OSL
25h 56m
2 stops
United Airlines Logo
7:10 am - 11:09 pm
OSL
-
PDX
24h 59m
2 stops
$517United Airlines
Tue, Aug 11 - Mon, Aug 31

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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 12
PDX4:07 pmPortland
20h 58m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 20
OSL7:10 amOslo Gardermoen
24h 42m
2 stops
PDX10:52 pmPortland
$506
United Airlines
Sep 2
PDX5:00 amPortland
27h 55m
2 stops
OSL5:55 pmOslo Gardermoen
Sep 15
OSL6:55 amOslo Gardermoen
21h 11m
2 stops
PDX7:06 pmPortland
$515
United Airlines
Aug 11
PDX11:09 amPortland
25h 56m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 31
OSL7:10 amOslo Gardermoen
24h 59m
2 stops
PDX11:09 pmPortland
$517

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 9
PDX7:45 pmPortland
37h 10m
2 stops
OSL5:55 pmOslo Gardermoen
May 17
OSL11:45 amOslo Gardermoen
30h 45m
2 stops
PDX9:30 amPortland
$503
Air Canada
May 9
PDX7:45 pmPortland
37h 10m
2 stops
OSL5:55 pmOslo Gardermoen
May 16
OSL6:15 amOslo Gardermoen
36h 15m
2 stops
PDX9:30 amPortland
$511
Air Canada
Jun 1
PDX7:45 pmPortland
56h 30m
2 stops
OSL1:15 pmOslo Gardermoen
Jun 16
OSL11:45 amOslo Gardermoen
36h 00m
2 stops
PDX2:45 pmPortland
$534

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 6, 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 9/10

1:14 pm-1:15 pm

2 stops39h 01m

Oslo Gardermoen

Tue 9/15

2:05 pm-7:06 pm

2 stops38h 01m

$499

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 8/13

12:50 pm-10:05 pm

2 stops24h 15m

Oslo Gardermoen

Sun 8/23

7:10 am-10:52 pm

2 stops24h 42m

$506

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 8/12

10:35 am-10:05 pm

2 stops26h 30m

Oslo Gardermoen

Thu 8/20

7:10 am-10:52 pm

2 stops24h 42m

$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

Thu 9/10

1:14 pm-1:15 pm

2 stops39h 01m

Oslo Gardermoen

Mon 9/14

2:05 pm-8:50 pm

2 stops39h 45m

$509

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 9/2

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Tue 9/15

4:30 pm-5:55 pm

1 stop34h 25m

$511

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 9/2

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Tue 9/8

4:30 pm-5:55 pm

1 stop34h 25m

$514

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 9/2

5:00 am-5:55 pm

2 stops27h 55m

Oslo Gardermoen

Tue 9/15

6:55 am-7:06 pm

2 stops21h 11m

$515
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 8/23

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Fri 9/11

4:30 pm-11:45 am

1 stop28h 15m

$516

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 8/11

11:09 am-10:05 pm

2 stops25h 56m

Oslo Gardermoen

Mon 8/31

7:10 am-11:09 pm

2 stops24h 59m

$517

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 $670 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 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 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
650 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,769 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,944 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,458 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,511 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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