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Cheap flights from Portland to Oslo from $267

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 8/16. 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
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
4:30 pm - 11:50 am
OSL
-
PDX
28h 20m
1 stop
$413Icelandair
Thu, Aug 20 - Wed, Sep 2
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:10 pm - 6:00 pm
OSL
-
PDX
12h 50m
1 stop
$440Icelandair
Mon, Oct 19 - Mon, Oct 26
Multiple Airlines Logo
7:45 pm - 5:55 pm
PDX
-
OSL
37h 10m
2 stops
Multiple Airlines Logo
1:00 pm - 10:27 pm
OSL
-
PDX
42h 27m
2 stops
$493Multiple Airlines
Sun, Oct 18 - Thu, Nov 12
Multiple Airlines Logo
7:45 pm - 5:55 pm
PDX
-
OSL
37h 10m
2 stops
Multiple Airlines Logo
1:00 pm - 9:02 pm
OSL
-
PDX
41h 02m
2 stops
$493Multiple Airlines
Sun, Oct 18 - Wed, Nov 11
Delta Logo
11:25 am - 4:10 pm
PDX
-
OSL
20h 45m
2 stops
Delta Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$545Delta
Sat, Oct 31 - Wed, Nov 4
Delta Logo
6:00 am - 1:50 pm
PDX
-
OSL
22h 50m
2 stops
Delta Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$546Delta
Tue, Nov 10 - Sun, Nov 15
KLM Logo
9:55 am - 12:25 pm
PDX
-
OSL
17h 30m
2 stops
KLM Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$556KLM
Mon, Nov 2 - Mon, Nov 9
KLM Logo
1:05 pm - 6:35 pm
PDX
-
OSL
20h 30m
1 stop
KLM Logo
6:05 am - 11:20 am
OSL
-
PDX
14h 15m
1 stop
$567KLM
Sun, Oct 18 - Fri, Nov 13
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m
1 stop
British Airways Logo
3:05 pm - 3:50 pm
OSL
-
PDX
33h 45m
1 stop
$782British Airways
Sun, Nov 8 - Thu, Nov 12
British Airways Logo
5:45 pm - 10:40 pm
PDX
-
OSL
19h 55m
1 stop
British Airways Logo
3:05 pm - 3:50 pm
OSL
-
PDX
33h 45m
1 stop
$783British Airways
Sun, Nov 8 - Thu, Nov 12

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Lufthansa flights from Portland to Oslo

Our best Lufthansa deals on Portland to Oslo flight tickets
Lufthansa
Oct 14
PDX3:30 pmPortland
21h 35m
2 stops
OSL10:05 pmOslo Gardermoen
Oct 19
OSL6:45 amOslo Gardermoen
21h 21m
2 stops
PDX7:06 pmPortland
$501
Lufthansa
Sep 6
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Sep 16
OSL6:35 amOslo Gardermoen
21h 36m
2 stops
PDX7:11 pmPortland
$511
Lufthansa
Sep 6
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Sep 16
OSL6:35 amOslo Gardermoen
21h 36m
2 stops
PDX7:11 pmPortland
$516

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets
Delta
Aug 6
PDX6:00 amPortland
20h 50m
2 stops
OSL11:50 amOslo Gardermoen
Aug 25
OSL6:30 amOslo Gardermoen
13h 40m
1 stop
PDX11:10 amPortland
$561
Delta
Aug 6
PDX6:00 amPortland
20h 50m
2 stops
OSL11:50 amOslo Gardermoen
Aug 25
OSL6:30 amOslo Gardermoen
13h 40m
1 stop
PDX11:10 amPortland
$566
Delta
Aug 15
PDX1:05 pmPortland
18h 20m
1 stop
OSL4:25 pmOslo Gardermoen
Aug 21
OSL9:20 amOslo Gardermoen
34h 50m
1 stop
PDX11:10 amPortland
$568

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 2, 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

Thu 8/20

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Wed 9/2

4:30 pm-11:50 am

1 stop28h 20m

$413
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 10/19

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 10/26

1:10 pm-6:00 pm

1 stop12h 50m

$440

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 10/18

7:45 pm-5:55 pm

2 stops37h 10m

Oslo Gardermoen

Thu 11/12

1:00 pm-10:27 pm

2 stops42h 27m

$493

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 10/18

7:45 pm-5:55 pm

2 stops37h 10m

Oslo Gardermoen

Wed 11/11

1:00 pm-9:02 pm

2 stops41h 02m

$493

PortlandOslo

PDX - OSL

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

$545

PortlandOslo

PDX - OSL

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

$546

PortlandOslo

PDX - OSL

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

$556

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 10/18

1:05 pm-6:35 pm

1 stop20h 30m

Oslo Gardermoen

Fri 11/13

6:05 am-11:20 am

1 stop14h 15m

$567

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/8

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Thu 11/12

3:05 pm-3:50 pm

1 stop33h 45m

$782

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 11/8

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Thu 11/12

3:05 pm-3:50 pm

1 stop33h 45m

$783

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 $594 to $870.
The lowest price recently found on this route was $413.

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 $658 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 25m

Direct flights

None
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.
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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
7.0
716 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.4
1,912 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,136 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.8
8,497 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.8
1,552 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