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Cheap flights from Portland to Oslo from $180

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 4/13. 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
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.
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$360Icelandair
Mon, Apr 13 - Sun, Apr 26
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$363Icelandair
Mon, Apr 13 - Wed, Apr 22
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
4:30 pm - 6:00 pm
OSL
-
PDX
34h 30m
1 stop
$364Icelandair
Mon, Apr 27 - Tue, May 12
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$397Icelandair
Mon, Apr 20 - Mon, Apr 27
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
1:50 pm - 6:00 pm
OSL
-
PDX
13h 10m
1 stop
$398Icelandair
Mon, Apr 20 - Mon, Apr 27
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
4:30 pm - 6:00 pm
OSL
-
PDX
34h 30m
1 stop
$399Icelandair
Mon, Apr 13 - Sun, Apr 26
Scandinavian Airlines Logo
10:00 am - 2:30 pm
PDX
-
TRF
43h 30m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:22 pm
TRF
-
PDX
25h 22m
2 stops
$701Scandinavian Airlines
Sun, Aug 23 - Wed, Sep 2
Scandinavian Airlines Logo
1:00 pm - 2:30 pm
PDX
-
TRF
40h 30m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:22 pm
TRF
-
PDX
25h 22m
2 stops
$706Scandinavian Airlines
Sun, Sep 6 - Wed, Sep 16
Scandinavian Airlines Logo
10:00 am - 2:30 pm
PDX
-
TRF
43h 30m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:22 pm
TRF
-
PDX
25h 22m
2 stops
$709Scandinavian Airlines
Sun, Aug 23 - Wed, Sep 2
KLM Logo
1:05 pm - 9:10 pm
PDX
-
TRF
23h 05m
2 stops
KLM Logo
9:45 am - 11:10 am
TRF
-
PDX
34h 25m
2 stops
$758KLM
Mon, Apr 27 - Tue, May 12

KLM flights from Portland to Oslo

Our best KLM deals on Portland to Oslo flight tickets
KLM
Mar 17
PDX7:00 amPortland
17h 40m
2 stops
OSL8:40 amOslo Gardermoen
Mar 24
OSL5:00 pmOslo Gardermoen
27h 25m
1 stop
PDX12:25 pmPortland
$481
KLM
May 13
PDX1:05 pmPortland
20h 30m
1 stop
OSL6:35 pmOslo Gardermoen
May 16
OSL2:10 pmOslo Gardermoen
30h 00m
1 stop
PDX11:10 amPortland
$499
KLM
Sep 6
PDX1:05 pmPortland
22h 50m
1 stop
OSL8:55 pmOslo Gardermoen
Sep 16
OSL2:10 pmOslo Gardermoen
30h 00m
1 stop
PDX11:10 amPortland
$523

Delta flights from Portland to Oslo

Our best Delta deals on Portland to Oslo flight tickets
Delta
Apr 27
PDX7:32 pmPortland
16h 08m
2 stops
OSL8:40 pmOslo Gardermoen
May 12
OSL9:20 amOslo Gardermoen
34h 50m
1 stop
PDX11:10 amPortland
$461
Delta
Apr 13
PDX7:32 pmPortland
16h 08m
2 stops
OSL8:40 pmOslo Gardermoen
Apr 26
OSL2:10 pmOslo Gardermoen
30h 00m
1 stop
PDX11:10 amPortland
$465
Delta
Apr 13
PDX6:05 pmPortland
17h 35m
2 stops
OSL8:40 pmOslo Gardermoen
Apr 17
OSL6:00 amOslo Gardermoen
25h 16m
2 stops
PDX10:16 pmPortland
$467

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 March 14, 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 4/13

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Sun 4/26

1:50 pm-6:00 pm

1 stop13h 10m

$360

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/13

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Wed 4/22

1:50 pm-6:00 pm

1 stop13h 10m

$363

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/27

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Tue 5/12

4:30 pm-6:00 pm

1 stop34h 30m

$364

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 4/27

1:50 pm-6:00 pm

1 stop13h 10m

$397

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/20

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Mon 4/27

1:50 pm-6:00 pm

1 stop13h 10m

$398

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 4/13

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Sun 4/26

4:30 pm-6:00 pm

1 stop34h 30m

$399

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 8/23

10:00 am-2:30 pm

2 stops43h 30m

Oslo Sandefjord

Wed 9/2

6:00 am-10:22 pm

2 stops25h 22m

$701

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 9/6

1:00 pm-2:30 pm

2 stops40h 30m

Oslo Sandefjord

Wed 9/16

6:00 am-10:22 pm

2 stops25h 22m

$706

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 8/23

10:00 am-2:30 pm

2 stops43h 30m

Oslo Sandefjord

Wed 9/2

6:00 am-10:22 pm

2 stops25h 22m

$709

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 4/27

1:05 pm-9:10 pm

2 stops23h 05m

Oslo Sandefjord

Tue 5/12

9:45 am-11:10 am

2 stops34h 25m

$758

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 $533. 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 $699 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 $501 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

12h 05m

Direct flights

None
The fastest flight from Portland to Oslo takes 12h 05m
There are no direct flights from Portland to Oslo. There are no popular flight routes from Portland to Oslo.
Search flight deals

  • How far is Portland to Oslo by plane?

    Oslo is 4689.3 mi away from Portland. Typically, this will take 12h 05m 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 $422Free CancellationRating
7.1
620 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom $485Free CancellationRating
7.3
1,715 reviews
Search Scandinavian Airlines flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
7,789 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,292 reviews
Search Delta flights
KLMPriceFrom $544Free CancellationRating
7.8
1,471 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