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Cheap flights from Portland to Oslo from $332

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 11/16. 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
7:00 pm - 3:25 pmPDX  Portland-OSL Oslo Gardermoen
11h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
4:30 pm - 5:55 pmOSL  Oslo Gardermoen-PDX Portland
34h 25m1 stop Reykjavik Keflavik Intl
$423Icelandair
Sun, Sep 6 - Mon, Sep 21
Icelandair Logo
7:00 pm - 3:25 pmPDX  Portland-OSL Oslo Gardermoen
11h 25m1 stop Reykjavik Keflavik Intl
Icelandair Logo
4:30 pm - 5:55 pmOSL  Oslo Gardermoen-PDX Portland
34h 25m1 stop Reykjavik Keflavik Intl
$443Icelandair
Sun, Sep 6 - Mon, Sep 21
Multiple Airlines Logo
10:00 am - 5:40 pmPDX  Portland-OSL Oslo Gardermoen
22h 40m2 stops Vancouver Intl Munich Franz Josef Strauss
Multiple Airlines Logo
6:15 am - 6:31 pmOSL  Oslo Gardermoen-PDX Portland
21h 16m2 stops Frankfurt am Main Vancouver Intl
$474Multiple Airlines
Tue, Jan 19 - Wed, Jan 27
Multiple Airlines Logo
2:34 pm - 5:40 pmPDX  Portland-OSL Oslo Gardermoen
18h 06m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Multiple Airlines Logo
1:00 pm - 11:12 pmOSL  Oslo Gardermoen-PDX Portland
43h 12m2 stops Zurich Chicago O'Hare Intl
$484Multiple Airlines
Mon, Nov 2 - Mon, Nov 16
Delta Logo
11:25 am - 4:10 pmPDX  Portland-OSL Oslo Gardermoen
20h 45m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle
Delta Logo
6:05 am - 11:20 amOSL  Oslo Gardermoen-PDX Portland
14h 15m1 stop Amsterdam Schiphol
$547Delta
Sat, Oct 31 - Wed, Nov 4
Delta Logo
11:43 am - 4:10 pmPDX  Portland-OSL Oslo Gardermoen
20h 27m2 stops Detroit Metropolitan Wayne County Paris Charles de Gaulle
Delta Logo
6:05 am - 11:20 amOSL  Oslo Gardermoen-PDX Portland
14h 15m1 stop Amsterdam Schiphol
$547Delta
Sat, Oct 31 - Wed, Nov 4
KLM Logo
1:20 pm - 6:10 pmPDX  Portland-OSL Oslo Gardermoen
19h 50m1 stop Amsterdam Schiphol
KLM Logo
6:05 am - 11:20 amOSL  Oslo Gardermoen-PDX Portland
14h 15m1 stop Amsterdam Schiphol
$554KLM
Sun, Nov 1 - Fri, Nov 6
KLM Logo
9:55 am - 12:25 pmPDX  Portland-OSL Oslo Gardermoen
17h 30m2 stops Salt Lake City Amsterdam Schiphol
KLM Logo
6:05 am - 11:20 amOSL  Oslo Gardermoen-PDX Portland
14h 15m1 stop Amsterdam Schiphol
$558KLM
Mon, Nov 2 - Mon, Nov 16
British Airways Logo
2:18 pm - 10:40 pmPDX  Portland-OSL Oslo Gardermoen
23h 22m2 stops Dallas/Fort Worth London Heathrow
British Airways Logo
6:55 am - 3:50 pmOSL  Oslo Gardermoen-PDX Portland
17h 55m1 stop London Heathrow
$767British Airways
Tue, Jan 19 - Wed, Jan 27
British Airways Logo
5:45 pm - 10:40 pmPDX  Portland-OSL Oslo Gardermoen
19h 55m1 stop London Heathrow
British Airways Logo
7:10 am - 3:50 pmOSL  Oslo Gardermoen-PDX Portland
17h 40m1 stop London Heathrow
$784British Airways
Mon, Feb 1 - Fri, Feb 5

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Icelandair flights from Portland to Oslo Gardermoen Airport

Our best Icelandair deals on Portland to Oslo Gardermoen Airport flight tickets
Icelandair
Sep 6
PDX7:00 pmPortland
11h 25m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 21
OSL4:30 pmOslo Gardermoen
34h 25m
1 stop
PDX5:55 pmPortland
$423
Icelandair
Sep 6
PDX7:00 pmPortland
11h 25m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 21
OSL4:30 pmOslo Gardermoen
34h 25m
1 stop
PDX5:55 pmPortland
$443
Icelandair
Oct 31
PDX3:45 pmPortland
20h 50m
1 stop
OSL8:35 pmOslo Gardermoen
Nov 4
OSL1:10 pmOslo Gardermoen
12h 50m
1 stop
PDX5:00 pmPortland
$445

Lufthansa flights from Portland to Oslo Gardermoen Airport

Our best Lufthansa deals on Portland to Oslo Gardermoen Airport flight tickets
Lufthansa
Nov 2
PDX2:34 pmPortland
18h 06m
2 stops
OSL5:40 pmOslo Gardermoen
Nov 9
OSL11:50 amOslo Gardermoen
21h 54m
2 stops
PDX12:44 amPortland
$489
Lufthansa
Sep 6
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Sep 21
OSL6:45 amOslo Gardermoen
21h 26m
2 stops
PDX7:11 pmPortland
$512
Lufthansa
Sep 6
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Sep 16
OSL7:10 amOslo Gardermoen
24h 35m
2 stops
PDX10:45 pmPortland
$517

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 August 11, 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 Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 9/6

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Mon 9/21

4:30 pm-5:55 pm

1 stop34h 25m

$423

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 9/6

7:00 pm-3:25 pm

1 stop11h 25m

Oslo Gardermoen

Mon 9/21

4:30 pm-5:55 pm

1 stop34h 25m

$443

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 1/19

10:00 am-5:40 pm

2 stops22h 40m

Oslo Gardermoen

Wed 1/27

6:15 am-6:31 pm

2 stops21h 16m

$474

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 11/2

2:34 pm-5:40 pm

2 stops18h 06m

Oslo Gardermoen

Mon 11/16

1:00 pm-11:12 pm

2 stops43h 12m

$484

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sat 10/31

11:25 am-4:10 pm

2 stops20h 45m

Oslo Gardermoen

Wed 11/4

6:05 am-11:20 am

1 stop14h 15m

$547

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

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

$547

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 11/1

1:20 pm-6:10 pm

1 stop19h 50m

Oslo Gardermoen

Fri 11/6

6:05 am-11:20 am

1 stop14h 15m

$554
Quickest round-trip

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 11/2

9:55 am-12:25 pm

2 stops17h 30m

Oslo Gardermoen

Mon 11/16

6:05 am-11:20 am

1 stop14h 15m

$558

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 1/19

2:18 pm-10:40 pm

2 stops23h 22m

Oslo Gardermoen

Wed 1/27

6:55 am-3:50 pm

1 stop17h 55m

$767

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 2/1

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Fri 2/5

7:10 am-3:50 pm

1 stop17h 40m

$784

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 $600 to $870.
The lowest price recently found on this route was $423.

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 $643 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 10% 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 August 2026, prices for Portland to Oslo Gardermoen Airport flights are approximately 67% 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
6.9
728 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,941 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,156 reviews
Search British Airways flights
DeltaPriceFrom $516Free CancellationRating
7.8
8,506 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.8
1,556 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
Drammen
Lillehammer

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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