What airlines fly to Oslo?

Icelandair, Delta and KLM are the top three most popular airlines that fly to Oslo from Portland according to our data. Icelandair is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Oslo. Keep in mind that there are 5 different airlines that fly to Oslo on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Oslo?

Icelandair, KLM, and British Airways are the most popular carriers operating from Portland to Oslo

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?

As of November 2025, there are 5 operators available to choose from 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.

$373 Cheap Flights from Portland to Oslo in 2025/26

Q: 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 $611 to $1,267. The lowest price recently found on this route was $394.

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Find the cheapest flights from Portland to Oslo

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:45 pm - 11:35 amPDX-OSL

11h 50m1 stop

1:10 pm - 6:00 pmOSL-PDX

12h 50m1 stop

$394Icelandair

Find Deal

Mon, Mar 9 - Mon, Mar 16

3:45 pm - 11:35 amPDX-OSL

11h 50m1 stop

1:10 pm - 6:00 pmOSL-PDX

12h 50m1 stop

$460Icelandair

Find Deal

Tue, Mar 10 - Mon, Mar 16

3:45 pm - 11:35 amPDX-OSL

11h 50m1 stop

4:30 pm - 6:00 pmOSL-PDX

34h 30m1 stop

$465Icelandair

Find Deal

Tue, Mar 24 - Sat, Apr 4

5:45 pm - 7:30 amPDX-OSL

28h 45m2 stops

8:15 am - 11:05 pmOSL-PDX

23h 50m2 stops

$467Multiple Airlines

Find Deal

Wed, Feb 18 - Fri, Feb 27

5:45 pm - 10:40 pmPDX-OSL

19h 55m1 stop

6:30 pm - 3:55 pmOSL-PDX

30h 25m1 stop

$468British Airways

Find Deal

Sun, Jan 11 - Sat, Jan 24

5:45 pm - 10:40 pmPDX-OSL

19h 55m1 stop

6:30 pm - 3:55 pmOSL-PDX

30h 25m1 stop

$477British Airways

Find Deal

Sun, Jan 11 - Sat, Jan 24

3:45 pm - 11:35 amPDX-OSL

11h 50m1 stop

4:30 pm - 6:00 pmOSL-PDX

34h 30m1 stop

$486Icelandair

Find Deal

Thu, Mar 26 - Sat, Apr 4

1:00 pm - 6:15 pmPDX-OSL

21h 15m2 stops

1:05 pm - 9:35 pmOSL-PDX

17h 30m1 stop

$487Scandinavian Airlines

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Tue, Mar 24 - Sat, Apr 4

5:45 pm - 7:50 amPDX-OSL

29h 05m2 stops

8:45 am - 7:02 pmOSL-PDX

19h 17m2 stops

$492Multiple Airlines

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Sun, Jan 11 - Sat, Jan 24

1:02 pm - 2:05 pmPDX-TRF

40h 03m2 stops

2:35 pm - 10:24 pmTRF-PDX

40h 49m2 stops

$563Scandinavian Airlines

Find Deal

Mon, Feb 23 - Fri, Feb 27

Lufthansa flights from Portland to Oslo

Our best Lufthansa deals on Portland to Oslo flight tickets

Lufthansa

Feb 3

PDX8:30 amPortland

24h 10m

2 stops

OSL5:40 pmOslo Gardermoen

Feb 9

OSL6:15 amOslo Gardermoen

21h 15m

2 stops

PDX6:30 pmPortland

$498

Find similar

Lufthansa

Jan 11

PDX1:24 pmPortland

43h 16m

2 stops

OSL5:40 pmOslo Gardermoen

Jan 24

OSL1:50 pmOslo Gardermoen

19h 49m

2 stops

PDX12:39 amPortland

$505

Find similar

Lufthansa

Dec 9

PDX8:30 amPortland

22h 10m

2 stops

OSL3:40 pmOslo Gardermoen

Dec 14

OSL9:35 amOslo Gardermoen

24h 02m

2 stops

PDX12:37 amPortland

$560

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United Airlines flights from Portland to Oslo

Our best United Airlines deals on Portland to Oslo flight tickets

United Airlines

Jan 9

PDX1:24 pmPortland

24h 56m

3 stops

OSL11:20 pmOslo Gardermoen

Jan 16

OSL6:15 amOslo Gardermoen

25h 17m

2 stops

PDX10:32 pmPortland

$533

Find similar

United Airlines

Dec 9

PDX8:30 amPortland

19h 35m

2 stops

OSL1:05 pmOslo Gardermoen

Dec 14

OSL9:35 amOslo Gardermoen

59h 37m

3 stops

PDX12:12 pmPortland

$601

Find similar

United Airlines

Dec 6

PDX12:55 pmPortland

43h 45m

2 stops

OSL5:40 pmOslo Gardermoen

Dec 12

OSL6:15 amOslo Gardermoen

25h 00m

2 stops

PDX10:15 pmPortland

$609

Find similar

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 3/16

1:10 pm-6:00 pm

1 stop12h 50m

$394

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/10

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Mon 3/16

1:10 pm-6:00 pm

1 stop12h 50m

$460

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/24

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sat 4/4

4:30 pm-6:00 pm

1 stop34h 30m

$465

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:45 pm-7:30 am

2 stops28h 45m

Oslo Gardermoen

Fri 2/27

8:15 am-11:05 pm

2 stops23h 50m

$467

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 1/24

6:30 pm-3:55 pm

1 stop30h 25m

$468

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Sat 1/24

6:30 pm-3:55 pm

1 stop30h 25m

$477

PortlandOslo

PDX - OSL

PDXOSL

Portland

Thu 3/26

3:45 pm-11:35 am

1 stop11h 50m

Oslo Gardermoen

Sat 4/4

4:30 pm-6:00 pm

1 stop34h 30m

$486

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 3/24

1:00 pm-6:15 pm

2 stops21h 15m

Oslo Gardermoen

Sat 4/4

1:05 pm-9:35 pm

1 stop17h 30m

$487

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sun 1/11

5:45 pm-7:50 am

2 stops29h 05m

Oslo Gardermoen

Sat 1/24

8:45 am-7:02 pm

2 stops19h 17m

$492

PortlandOslo

PDX - TRF

PDXTRF

Portland

Mon 2/23

1:02 pm-2:05 pm

2 stops40h 03m

Oslo Sandefjord

Fri 2/27

2:35 pm-10:24 pm

2 stops40h 49m

$563

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 October is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $578. If you’re not able to fly to Oslo in October, then September is your next best option. Flight prices from Portland to Oslo during September average around $639.

What is the cheapest day to depart on your flight to Oslo?

The cheapest day to depart on your flight to Oslo is on a Tuesday when prices can be found for as low as $971. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Portland to Oslo for around $1,320.

What is the cheapest time of day to depart on your flight to Oslo?

Flying to Oslo from Portland in the morning is the least expensive time of day to depart. momondo users have found prices as low as $926 when looking at flights departing in the morning. Try not to purchase tickets in the afternoon because they tend to be around $1,216. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $846 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 $626 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 50m
Direct flights	None

The fastest flight from Portland to Oslo takes 11h 50m

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 11h 50m 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?
As of November 2025, there are 5 operators available to choose from 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
Scandinavian Airlines	PriceFrom $317	Free Cancellation	Rating 7.4 1,589 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $495	Free Cancellation	Rating 7.0 581 reviews	Search Icelandair flights
British Airways	PriceFrom $584	Free Cancellation	Rating 6.7 7,539 reviews	Search British Airways flights
Delta	PriceFrom $590	Free Cancellation	Rating 7.9 8,000 reviews	Search Delta flights
KLM	PriceFrom $607	Free Cancellation	Rating 7.7 1,423 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.