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Cheap flights from Portland to Oslo from $195

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 9/23. 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.
Icelandair Logo
3:30 pm - 3:25 pm
PDX
-
OSL
14h 55m
1 stop
Icelandair Logo
1:50 pm - 5:55 pm
OSL
-
PDX
13h 05m
1 stop
$448Icelandair
Sat, Oct 10 - Sun, Oct 18
Icelandair Logo
3:30 pm - 12:35 pm
PDX
-
OSL
12h 05m
1 stop
Icelandair Logo
4:30 pm - 5:55 pm
OSL
-
PDX
34h 25m
1 stop
$450Icelandair
Thu, Oct 8 - Sat, Oct 17
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
Mon, Oct 5 - 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
$455Icelandair
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
$461Icelandair
Sat, Sep 26 - Fri, Oct 16
KLM Logo
1:20 pm - 7:05 pm
PDX
-
TRF
20h 45m
2 stops
KLM Logo
3:30 pm - 11:20 am
TRF
-
PDX
52h 50m
2 stops
$782KLM
Mon, Nov 9 - Mon, Nov 23
Scandinavian Airlines Logo
1:00 pm - 2:05 pm
PDX
-
TRF
40h 05m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:26 pm
TRF
-
PDX
25h 26m
2 stops
$824Scandinavian Airlines
Mon, Nov 16 - Thu, Nov 19
Scandinavian Airlines Logo
10:00 am - 2:05 pm
PDX
-
TRF
43h 05m
2 stops
Scandinavian Airlines Logo
6:00 am - 10:26 pm
TRF
-
PDX
25h 26m
2 stops
$825Scandinavian Airlines
Mon, Nov 16 - Thu, Nov 19
Multiple Airlines Logo
2:45 pm - 3:05 pm
PDX
-
TRF
15h 20m
2 stops
Multiple Airlines Logo
9:05 am - 5:00 pm
TRF
-
PDX
16h 55m
2 stops
$971Multiple Airlines
Sat, Nov 21 - Sun, Dec 6
Multiple Airlines Logo
7:05 pm - 12:25 am
PDX
-
TRF
20h 20m
2 stops
Multiple Airlines Logo
6:00 am - 5:55 pm
TRF
-
PDX
20h 55m
2 stops
$1,055Multiple Airlines
Sun, Aug 23 - Wed, Sep 2

Brussels Airlines flights from Portland to Oslo

Our best Brussels Airlines deals on Portland to Oslo flight tickets
Brussels Airlines
Aug 29
PDX8:25 amPortland
23h 50m
2 stops
OSL5:15 pmOslo Gardermoen
Sep 7
OSL6:45 amOslo Gardermoen
22h 25m
2 stops
PDX8:10 pmPortland
$532
Brussels Airlines
Sep 19
PDX11:02 pmPortland
33h 13m
2 stops
OSL5:15 pmOslo Gardermoen
Sep 28
OSL6:45 amOslo Gardermoen
22h 28m
2 stops
PDX8:13 pmPortland
$538
Brussels Airlines
Jun 13
PDX10:52 pmPortland
33h 23m
2 stops
OSL5:15 pmOslo Gardermoen
Jun 23
OSL6:45 amOslo Gardermoen
35h 25m
2 stops
PDX9:10 amPortland
$639

Lufthansa flights from Portland to Oslo

Our best Lufthansa deals on Portland to Oslo flight tickets
Lufthansa
Aug 12
PDX2:27 pmPortland
22h 38m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 19
OSL6:35 amOslo Gardermoen
21h 36m
2 stops
PDX7:11 pmPortland
$503
Lufthansa
Aug 17
PDX9:00 amPortland
28h 05m
2 stops
OSL10:05 pmOslo Gardermoen
Aug 24
OSL6:45 amOslo Gardermoen
21h 26m
2 stops
PDX7:11 pmPortland
$506
Lufthansa
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
$514

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 1, 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 10/10

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Sun 10/18

1:50 pm-5:55 pm

1 stop13h 05m

$448

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 10/8

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Sat 10/17

4:30 pm-5:55 pm

1 stop34h 25m

$450
Quickest round-trip

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 10/5

3:30 pm-12:35 pm

1 stop12h 05m

Oslo Gardermoen

Fri 10/16

1:50 pm-5:55 pm

1 stop13h 05m

$453

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

$455

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

$461

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 11/9

1:20 pm-7:05 pm

2 stops20h 45m

Oslo Sandefjord

Mon 11/23

3:30 pm-11:20 am

2 stops52h 50m

$782

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 11/16

1:00 pm-2:05 pm

2 stops40h 05m

Oslo Sandefjord

Thu 11/19

6:00 am-10:26 pm

2 stops25h 26m

$824

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 11/16

10:00 am-2:05 pm

2 stops43h 05m

Oslo Sandefjord

Thu 11/19

6:00 am-10:26 pm

2 stops25h 26m

$825

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sat 11/21

2:45 pm-3:05 pm

2 stops15h 20m

Oslo Sandefjord

Sun 12/6

9:05 am-5:00 pm

2 stops16h 55m

$971

PortlandOslo

PDX - TRF

PDXTRF

Portland

Sun 8/23

7:05 pm-12:25 am

2 stops20h 20m

Oslo Sandefjord

Wed 9/2

6:00 am-5:55 pm

2 stops20h 55m

$1,055

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
663 reviews
Search Icelandair flights
British AirwaysPriceFrom $496Free CancellationRating
6.7
8,019 reviews
Search British Airways flights
DeltaPriceFrom $515Free CancellationRating
7.9
8,400 reviews
Search Delta flights
KLMPriceFrom $523Free CancellationRating
7.8
1,524 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