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Cheap flights from Portland to Oslo from $175

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 4/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland to Oslo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
7:00 am - 11:45 am
PDX
-
OSL
19h 45m
2 stops
Delta Logo
6:30 am - 11:10 am
OSL
-
PDX
13h 40m
1 stop
$517Delta
Fri, May 1 - Sun, May 10
KLM Logo
1:05 pm - 12:30 pm
PDX
-
OSL
14h 25m
1 stop
KLM Logo
11:50 am - 11:10 am
OSL
-
PDX
32h 20m
1 stop
$524KLM
Fri, May 1 - Sun, May 10
Delta Logo
7:00 am - 11:45 am
PDX
-
OSL
19h 45m
2 stops
Delta Logo
11:50 am - 8:11 pm
OSL
-
PDX
17h 21m
2 stops
$527Delta
Fri, May 1 - Sun, May 10
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
$540Icelandair
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
$541Icelandair
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 - 5:55 pm
OSL
-
PDX
34h 25m
1 stop
$542Icelandair
Fri, Sep 4 - Tue, Sep 15
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
$544Icelandair
Sun, Aug 9 - Mon, Aug 17
United Airlines Logo
11:09 am - 10:05 pm
PDX
-
OSL
25h 56m
2 stops
United Airlines Logo
7:10 am - 10:52 pm
OSL
-
PDX
24h 42m
2 stops
$556United Airlines
Thu, Aug 13 - Wed, Aug 26
Scandinavian Airlines Logo
1:00 pm - 2:30 pm
PDX
-
TRF
40h 30m
2 stops
Scandinavian Airlines Logo
3:05 pm - 10:22 pm
TRF
-
PDX
40h 17m
2 stops
$772Scandinavian Airlines
Tue, Aug 18 - Sun, Aug 23
Scandinavian Airlines Logo
1:00 pm - 12:25 am
PDX
-
TRF
26h 25m
2 stops
Scandinavian Airlines Logo
6:00 am - 4:33 pm
TRF
-
PDX
19h 33m
2 stops
$791Scandinavian Airlines
Wed, Sep 9 - Sat, Sep 12

United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets
United Airlines
Aug 13
PDX11:09 amPortland
25h 56m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 26
OSL7:10 amOslo Gardermoen
24h 42m
2 stops
PDX10:52 pmPortland
$556
United Airlines
Sep 6
PDX5:00 amPortland
24h 50m
2 stops
OSL2:50 pmOslo Gardermoen
Sep 16
OSL6:35 amOslo Gardermoen
21h 31m
2 stops
PDX7:06 pmPortland
$565
United Airlines
May 17
PDX7:15 amPortland
29h 50m
2 stops
OSL10:05 pmOslo Gardermoen
May 30
OSL7:15 amOslo Gardermoen
26h 35m
2 stops
PDX12:50 amPortland
$582

Icelandair flights from Portland to Oslo

Our best Icelandair deals on Portland to Oslo flight tickets
Icelandair
Aug 23
PDX7:05 pmPortland
11h 20m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 2
OSL4:30 pmOslo Gardermoen
28h 15m
1 stop
PDX11:45 amPortland
$540
Icelandair
Aug 23
PDX7:05 pmPortland
11h 20m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 2
OSL4:30 pmOslo Gardermoen
28h 15m
1 stop
PDX11:45 amPortland
$541
Icelandair
Sep 4
PDX7:05 pmPortland
11h 20m
1 stop
OSL3:25 pmOslo Gardermoen
Sep 15
OSL4:30 pmOslo Gardermoen
34h 25m
1 stop
PDX5:55 pmPortland
$542

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 April 18, 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

Fri 5/1

7:00 am-11:45 am

2 stops19h 45m

Oslo Gardermoen

Sun 5/10

6:30 am-11:10 am

1 stop13h 40m

$517

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 5/1

1:05 pm-12:30 pm

1 stop14h 25m

Oslo Gardermoen

Sun 5/10

11:50 am-11:10 am

1 stop32h 20m

$524

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 5/1

7:00 am-11:45 am

2 stops19h 45m

Oslo Gardermoen

Sun 5/10

11:50 am-8:11 pm

2 stops17h 21m

$527

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

$540

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

$541

PortlandOslo

PDX - OSL

PDXOSL

Portland

Fri 9/4

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Tue 9/15

4:30 pm-5:55 pm

1 stop34h 25m

$542

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 8/9

7:05 pm-3:25 pm

1 stop11h 20m

Oslo Gardermoen

Mon 8/17

4:30 pm-11:45 am

1 stop28h 15m

$544

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 8/13

11:09 am-10:05 pm

2 stops25h 56m

Oslo Gardermoen

Wed 8/26

7:10 am-10:52 pm

2 stops24h 42m

$556

PortlandOslo

PDX - TRF

PDXTRF

Portland

Tue 8/18

1:00 pm-2:30 pm

2 stops40h 30m

Oslo Sandefjord

Sun 8/23

3:05 pm-10:22 pm

2 stops40h 17m

$772

PortlandOslo

PDX - TRF

PDXTRF

Portland

Wed 9/9

1:00 pm-12:25 am

2 stops26h 25m

Oslo Sandefjord

Sat 9/12

6:00 am-4:33 pm

2 stops19h 33m

$791

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 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 January is your next best option. Flight prices from Portland to Oslo during January average around $538.

How far in advance should I book a flight 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 $676 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 $569 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
636 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.3
1,751 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,892 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,422 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,502 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