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Cheap flights from Portland to Oslo from $194

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 8/18. 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
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 5:55 pm
OSL
-
PDX
13h 05m
1 stop
$453Icelandair
Sat, Sep 26 - Fri, Oct 16
Icelandair Logo
7:05 pm - 3:25 pm
PDX
-
OSL
11h 20m
1 stop
Icelandair Logo
1:50 pm - 5:55 pm
OSL
-
PDX
13h 05m
1 stop
$460Icelandair
Sun, Aug 23 - Wed, Sep 2
Icelandair Logo
7:05 pm - 3:25 pm
PDX
-
OSL
11h 20m
1 stop
Icelandair Logo
1:50 pm - 11:45 am
OSL
-
PDX
30h 55m
1 stop
$462Icelandair
Sun, Aug 23 - Wed, Sep 2
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
$463Icelandair
Sun, Aug 23 - Fri, Sep 11
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
$464Icelandair
Wed, Sep 2 - Mon, Sep 28
Multiple Airlines Logo
4:07 pm - 10:05 pm
PDX
-
OSL
20h 58m
2 stops
Multiple Airlines Logo
5:35 am - 7:11 pm
OSL
-
PDX
22h 36m
2 stops
$490Multiple Airlines
Wed, Aug 12 - Wed, Aug 19
Air Canada Logo
7:00 am - 5:40 pm
PDX
-
OSL
25h 40m
2 stops
Air Canada Logo
6:15 am - 9:26 am
OSL
-
PDX
36h 11m
2 stops
$498Air Canada
Sun, Nov 15 - Sat, Nov 21
Scandinavian Airlines Logo
11:22 am - 12:25 am
PDX
-
TRF
28h 03m
2 stops
Scandinavian Airlines Logo
3:05 pm - 10:12 pm
TRF
-
PDX
40h 07m
2 stops
$938Scandinavian Airlines
Sun, Aug 9 - Wed, Aug 26
Scandinavian Airlines Logo
12:25 pm - 12:25 am
PDX
-
TRF
27h 00m
2 stops
Scandinavian Airlines Logo
3:05 pm - 10:12 pm
TRF
-
PDX
40h 07m
2 stops
$953Scandinavian Airlines
Sun, Aug 9 - Mon, Aug 24
Multiple Airlines Logo
3:30 pm - 9:10 pm
PDX
-
TRF
20h 40m
2 stops
Multiple Airlines Logo
9:00 am - 11:45 am
TRF
-
PDX
35h 45m
2 stops
$1,001Multiple Airlines
Thu, Jul 9 - Wed, Jul 22

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Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets
Icelandair
Sep 26
PDX3:30 pmPortland
12h 05m
1 stop
OSL12:35 pmOslo Gardermoen
Oct 16
OSL1:50 pmOslo Gardermoen
13h 05m
1 stop
PDX5:55 pmPortland
$453
Icelandair
Aug 23
PDX7:05 pmPortland
11h 20m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 2
OSL1:50 pmOslo Gardermoen
13h 05m
1 stop
PDX5:55 pmPortland
$460
Icelandair
Aug 23
PDX7:05 pmPortland
11h 20m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 2
OSL1:50 pmOslo Gardermoen
30h 55m
1 stop
PDX11:45 amPortland
$462

Air Canada flights from Portland to Oslo

Our best Air Canada deals on Portland to Oslo flight tickets
Air Canada
Nov 15
PDX7:00 amPortland
25h 40m
2 stops
OSL5:40 pmOslo Gardermoen
Nov 21
OSL6:15 amOslo Gardermoen
36h 11m
2 stops
PDX9:26 amPortland
$498
Air Canada
Nov 22
PDX7:00 amPortland
25h 40m
2 stops
OSL5:40 pmOslo Gardermoen
Nov 28
OSL9:35 amOslo Gardermoen
20h 11m
3 stops
PDX8:46 pmPortland
$519

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 June 15, 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 - OSL

PDXOSL

Portland

Sat 9/26

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Fri 10/16

1:50 pm-5:55 pm

1 stop13h 05m

$453
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 8/23

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Wed 9/2

1:50 pm-5:55 pm

1 stop13h 05m

$460

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 8/23

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Wed 9/2

1:50 pm-11:45 am

1 stop30h 55m

$462

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

$463

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 9/2

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Mon 9/28

4:30 pm-5:55 pm

1 stop34h 25m

$464

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 8/12

4:07 pm-10:05 pm

2 stops20h 58m

Oslo Gardermoen

Wed 8/19

5:35 am-7:11 pm

2 stops22h 36m

$490

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/15

7:00 am-5:40 pm

2 stops25h 40m

Oslo Gardermoen

Sat 11/21

6:15 am-9:26 am

2 stops36h 11m

$498

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 8/9

11:22 am-12:25 am

2 stops28h 03m

Oslo Sandefjord

Wed 8/26

3:05 pm-10:12 pm

2 stops40h 07m

$938

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 8/9

12:25 pm-12:25 am

2 stops27h 00m

Oslo Sandefjord

Mon 8/24

3:05 pm-10:12 pm

2 stops40h 07m

$953

PortlandOslo

PDX - TRF

PDXTRF

Portland

Thu 7/9

3:30 pm-9:10 pm

2 stops20h 40m

Oslo Sandefjord

Wed 7/22

9:00 am-11:45 am

2 stops35h 45m

$1,001

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?

What is the cheapest month to fly to Oslo?

The month of March is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $382. If you’re not able to fly to Oslo in March, then April is your next best option. Flight prices from Portland to Oslo during April average around $397.

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 $653 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

Fastest flight time

11h 20m

Direct flights

None
The fastest flight from Portland to Oslo takes 11h 20m
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 20m 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
7.0
675 reviews
Search Icelandair flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,050 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,395 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,528 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