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Cheap flights from Portland to Oslo from $188

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 10/17. 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
2:45 pm - 11:35 am
PDX
-
OSL
11h 50m
1 stop
Icelandair Logo
1:10 pm - 5:00 pm
OSL
-
PDX
12h 50m
1 stop
$444Icelandair
Mon, Nov 9 - Mon, Nov 16
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
$456Icelandair
Sat, Sep 26 - Fri, Oct 16
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
$460Icelandair
Sat, Sep 26 - Fri, Oct 16
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
$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
$464Icelandair
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 - 11:45 am
OSL
-
PDX
28h 15m
1 stop
$465Icelandair
Sun, Aug 23 - Fri, Sep 11
Scandinavian Airlines Logo
12:20 pm - 2:30 pm
PDX
-
TRF
17h 10m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:12 pm
TRF
-
PDX
25h 12m
2 stops
$840Scandinavian Airlines
Sun, Aug 23 - Wed, Sep 2
Scandinavian Airlines Logo
10:00 am - 2:30 pm
PDX
-
TRF
43h 30m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:17 pm
TRF
-
PDX
25h 17m
2 stops
$854Scandinavian Airlines
Wed, Sep 9 - Wed, Sep 30
Scandinavian Airlines Logo
1:00 pm - 2:30 pm
PDX
-
TRF
40h 30m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:17 pm
TRF
-
PDX
25h 17m
2 stops
$855Scandinavian Airlines
Wed, Sep 9 - Wed, Sep 30
Multiple Airlines Logo
2:45 pm - 9:10 pm
PDX
-
TRF
21h 25m
2 stops
Multiple Airlines Logo
6:00 am - 5:00 pm
TRF
-
PDX
20h 00m
2 stops
$1,065Multiple Airlines
Sat, Nov 14 - Mon, Nov 23

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Lufthansa flights from Portland to Oslo

Our best Lufthansa deals on Portland to Oslo flight tickets
Lufthansa
Aug 17
PDX3:30 pmPortland
21h 35m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL7:10 amOslo Gardermoen
22h 55m
2 stops
PDX9:05 pmPortland
$503
Lufthansa
Aug 17
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL7:10 amOslo Gardermoen
24h 35m
2 stops
PDX10:45 pmPortland
$507
Lufthansa
Aug 17
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL7:10 amOslo Gardermoen
22h 55m
2 stops
PDX9:05 pmPortland
$508

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets
Delta
Sep 6
PDX9:24 amPortland
17h 21m
2 stops
OSL11:45 amOslo Gardermoen
Sep 16
OSL6:30 amOslo Gardermoen
13h 40m
1 stop
PDX11:10 amPortland
$546
Delta
Sep 2
PDX11:45 amPortland
19h 35m
2 stops
OSL4:20 pmOslo Gardermoen
Sep 28
OSL6:30 amOslo Gardermoen
13h 40m
1 stop
PDX11:10 amPortland
$558
Delta
Jun 16
PDX11:20 amPortland
20h 20m
2 stops
OSL4:40 pmOslo Gardermoen
Jun 29
OSL6:30 amOslo Gardermoen
19h 39m
2 stops
PDX5:09 pmPortland
$605

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 9, 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
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 11/9

2:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 11/16

1:10 pm-5:00 pm

1 stop12h 50m

$444

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

$456

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

$460

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 8/23

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Wed 9/2

4:30 pm-11:45 am

1 stop28h 15m

$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

$464

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

$465

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 8/23

12:20 pm-2:30 pm

2 stops17h 10m

Oslo Sandefjord

Wed 9/2

6:00 am-10:12 pm

2 stops25h 12m

$840

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 9/9

10:00 am-2:30 pm

2 stops43h 30m

Oslo Sandefjord

Wed 9/30

6:00 am-10:17 pm

2 stops25h 17m

$854

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 9/9

1:00 pm-2:30 pm

2 stops40h 30m

Oslo Sandefjord

Wed 9/30

6:00 am-10:17 pm

2 stops25h 17m

$855

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sat 11/14

2:45 pm-9:10 pm

2 stops21h 25m

Oslo Sandefjord

Mon 11/23

6:00 am-5:00 pm

2 stops20h 00m

$1,065

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 $669 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 $483 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
670 reviews
Search Icelandair flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,034 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,394 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,527 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