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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 2/11. 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
$439Icelandair
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
Lufthansa Logo
2:34 pm - 5:40 pmPDX  Portland-OSL Oslo Gardermoen
18h 06m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss
Lufthansa Logo
11:50 am - 12:44 amOSL  Oslo Gardermoen-PDX Portland
21h 54m2 stops Munich Franz Josef Strauss San Francisco
$489Lufthansa
Mon, Nov 2 - Mon, Nov 9
Multiple Airlines Logo
7:10 pm - 5:40 pmPDX  Portland-OSL Oslo Gardermoen
37h 30m2 stops Vancouver 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
$495Multiple Airlines
Wed, Jan 20 - Wed, Jan 27
Delta Logo
6:00 am - 1:50 pmPDX  Portland-OSL Oslo Gardermoen
22h 50m2 stops Minneapolis St Paul London Heathrow
Delta Logo
6:05 am - 11:20 amOSL  Oslo Gardermoen-PDX Portland
14h 15m1 stop Amsterdam Schiphol
$547Delta
Tue, Nov 10 - Sun, Nov 15
Delta Logo
9:53 am - 4:10 pmPDX  Portland-OSL Oslo Gardermoen
21h 17m2 stops Salt Lake City Paris Charles de Gaulle
Delta Logo
6:05 am - 11:20 amOSL  Oslo Gardermoen-PDX Portland
14h 15m1 stop Amsterdam Schiphol
$547Delta
Tue, Nov 10 - Sun, Nov 15
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
Mon, Jan 11 - Mon, Jan 18
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 9
British Airways Logo
5:45 pm - 10:40 pmPDX  Portland-OSL Oslo Gardermoen
19h 55m1 stop London Heathrow
British Airways Logo
6:50 am - 3:50 pmOSL  Oslo Gardermoen-PDX Portland
18h 00m1 stop London Heathrow
$789British Airways
Sun, Jan 24 - Wed, Jan 27
British Airways Logo
5:45 pm - 2:10 pmPDX  Portland-OSL Oslo Gardermoen
35h 25m1 stop London Heathrow
British Airways Logo
6:45 am - 3:50 pmOSL  Oslo Gardermoen-PDX Portland
18h 05m1 stop London Heathrow
$789British Airways
Mon, Feb 1 - Fri, Feb 5

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Air Canada flights from Portland to Oslo

Our best Air Canada deals on Portland to Oslo flight tickets
Air Canada
Jan 18
PDX3:15 pmPortland
41h 25m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 24
OSL6:15 amOslo Gardermoen
21h 16m
2 stops
PDX6:31 pmPortland
$498
Air Canada
Feb 8
PDX7:10 pmPortland
37h 30m
2 stops
OSL5:40 pmOslo Gardermoen
Feb 25
OSL6:15 amOslo Gardermoen
36h 11m
2 stops
PDX9:26 amPortland
$499
Air Canada
Jan 13
PDX3:15 pmPortland
41h 25m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 18
OSL11:50 amOslo Gardermoen
54h 36m
2 stops
PDX9:26 amPortland
$500

United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets
United Airlines
Jan 11
PDX2:30 pmPortland
18h 10m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 20
OSL11:50 amOslo Gardermoen
20h 22m
2 stops
PDX11:12 pmPortland
$504
United Airlines
Jan 10
PDX10:59 pmPortland
33h 41m
2 stops
OSL5:40 pmOslo Gardermoen
Jan 16
OSL11:50 amOslo Gardermoen
20h 22m
2 stops
PDX11:12 pmPortland
$510
United Airlines
Oct 6
PDX11:30 pmPortland
26h 25m
2 stops
OSL10:55 amOslo Gardermoen
Oct 20
OSL6:55 amOslo Gardermoen
16h 56m
2 stops
PDX2:51 pmPortland
$513

momondo Fare Finder

 
Customize your flight search to find flights from Portland to Oslo 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 17, 2026.
Use the filters below to find and compare flights from Portland to Oslo 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

$439

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

Mon 11/2

2:34 pm-5:40 pm

2 stops18h 06m

Oslo Gardermoen

Mon 11/9

11:50 am-12:44 am

2 stops21h 54m

$489

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Wed 1/20

7:10 pm-5:40 pm

2 stops37h 30m

Oslo Gardermoen

Wed 1/27

1:00 pm-11:12 pm

2 stops43h 12m

$495

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 11/10

6:00 am-1:50 pm

2 stops22h 50m

Oslo Gardermoen

Sun 11/15

6:05 am-11:20 am

1 stop14h 15m

$547

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Tue 11/10

9:53 am-4:10 pm

2 stops21h 17m

Oslo Gardermoen

Sun 11/15

6:05 am-11:20 am

1 stop14h 15m

$547

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 1/11

1:20 pm-6:10 pm

1 stop19h 50m

Oslo Gardermoen

Mon 1/18

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 11/9

6:05 am-11:20 am

1 stop14h 15m

$558

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Sun 1/24

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Wed 1/27

6:50 am-3:50 pm

1 stop18h 00m

$789

PortlandOslo

PDX Portland - OSL Oslo Gardermoen

PDXOSL

Portland

Mon 2/1

5:45 pm-2:10 pm

1 stop35h 25m

Oslo Gardermoen

Fri 2/5

6:45 am-3:50 pm

1 stop18h 05m

$789

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

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?

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 $439.

What is the cheapest month to fly to Oslo?

The month of April is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $436. If you’re not able to fly to Oslo in April, then November is your next best option. Flight prices from Portland to Oslo during November average around $506.

How far in advance should I book a flight from Portland to Oslo?

You are more likely to see cheaper flights to Oslo from Portland when booking weeks ahead of your departure date. In general, you can expect to find flights to Oslo for around $646 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Oslo from Portland for as low as $537 on momondo.

Cheap Portland to Oslo flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Oslo

Best Price Found

$332

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Oslo from Portland in the past 72 hours is $332. The best round-trip flight deal from Portland to Oslo found on momondo in the last 72 hours is $439.
The fastest flight from Portland to Oslo takes 11h 25m
There are no direct flights from Portland to Oslo. There are no popular flight routes from Portland to Oslo.
Search flight deals

Frequently asked questions about flying from Portland to Oslo

  • How far is Portland to Oslo by plane?

    Oslo is 4689.3 mi away from Portland. Typically, this will take 11h 25m by plane in normal conditions.

  • When did momondo last update prices for flights from Portland Airport to Oslo?

    Prices for flights from Portland Airport to Oslo are refreshed on a daily basis.

  • How many operators does momondo search for flights from Portland Airport to Oslo?

  • How old do you have to be to fly from Portland Airport to Oslo?

    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.

  • What documentation or ID do you need to fly to Oslo?

    The travel and health documents required for your trip to Oslo 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Portland to Oslo

Compare and see reviews for airlines that fly from Portland to Oslo with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom $424Free CancellationRating
6.9
731 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,952 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,169 reviews
Search British Airways flights
DeltaPriceFrom $516Free CancellationRating
7.8
8,505 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.8
1,560 reviews
Search KLM flights

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Oslo?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Oslo from Portland.

Can I find flights from Portland to Oslo with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Portland to Oslo flights to just show those with flexible booking policies.

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?

Yes. momondo can track prices for Portland to Oslo flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Find better results for your trip to Norway

Fly into one of these airports located in Oslo

Airports listed have a maximum distance of 53.1 mi from Oslo
Oslo Gardermoen Airport
Oslo Sandefjord Airport