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

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

What airlines fly to Oslo?

Icelandair, KLM and Delta 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.

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 January 2026, 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.

$201 Cheap Flights from Portland to Oslo in 2026

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 $535 to $674. The lowest price recently found on this route was $400.

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Find the cheapest flights from Portland to Oslo

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:30 pm - 3:25 pm

PDX

OSL

14h 55m

1 stop

4:30 pm - 6:00 pm

OSL

PDX

34h 30m

1 stop

$400Icelandair

Sat, Apr 4 - Sat, Apr 11

1:52 pm - 10:55 am

PDX

OSL

36h 03m

2 stops

2:40 pm - 12:20 am

OSL

PDX

41h 40m

2 stops

$451British Airways

Wed, Mar 4 - Mon, Mar 9

5:45 pm - 10:40 pm

PDX

OSL

19h 55m

1 stop

2:40 pm - 12:20 am

OSL

PDX

41h 40m

2 stops

$454British Airways

Wed, Mar 4 - Mon, Mar 9

6:45 pm - 2:10 pm

PDX

OSL

35h 25m

1 stop

7:25 pm - 4:55 pm

OSL

PDX

29h 30m

1 stop

$456British Airways

Mon, Mar 9 - Tue, Mar 17

5:45 pm - 10:40 pm

PDX

OSL

19h 55m

1 stop

6:55 am - 3:55 pm

OSL

PDX

18h 00m

1 stop

$458British Airways

Mon, Feb 16 - Wed, Mar 4

2:13 pm - 10:55 am

PDX

OSL

35h 42m

2 stops

7:25 pm - 3:55 pm

OSL

PDX

29h 30m

1 stop

$460British Airways

Tue, Feb 10 - Tue, Feb 17

11:46 am - 6:40 pm

PDX

OSL

22h 54m

2 stops

7:25 pm - 4:55 pm

OSL

PDX

29h 30m

1 stop

$461British Airways

Mon, Mar 9 - Tue, Mar 17

5:45 pm - 10:55 am

PDX

OSL

32h 10m

1 stop

7:10 am - 3:55 pm

OSL

PDX

17h 45m

1 stop

$463British Airways

Wed, Feb 18 - Fri, Feb 27

1:52 pm - 10:40 pm

PDX

OSL

24h 48m

2 stops

11:45 am - 12:20 am

OSL

PDX

20h 35m

2 stops

$464British Airways

Mon, Mar 9 - Tue, Mar 17

3:30 pm - 9:10 pm

PDX

TRF

20h 40m

2 stops

12:10 pm - 5:55 pm

TRF

PDX

14h 45m

2 stops

$871Multiple Airlines

Thu, May 14 - Sun, May 24

British Airways flights from Portland to Oslo

Our best British Airways deals on Portland to Oslo flight tickets

British Airways

Mar 4

PDX1:52 pmPortland

36h 03m

2 stops

OSL10:55 amOslo Gardermoen

Mar 9

OSL2:40 pmOslo Gardermoen

41h 40m

2 stops

PDX12:20 amPortland

$451

British Airways

Mar 4

PDX5:45 pmPortland

19h 55m

1 stop

OSL10:40 pmOslo Gardermoen

Mar 9

OSL2:40 pmOslo Gardermoen

41h 40m

2 stops

PDX12:20 amPortland

$454

British Airways

Mar 9

PDX6:45 pmPortland

35h 25m

1 stop

OSL2:10 pmOslo Gardermoen

Mar 17

OSL7:25 pmOslo Gardermoen

29h 30m

1 stop

PDX4:55 pmPortland

$456

American Airlines flights from Portland to Oslo

Our best American Airlines deals on Portland to Oslo flight tickets

American Airlines

Feb 16

PDX3:10 pmPortland

18h 30m

2 stops

OSL6:40 pmOslo Gardermoen

Mar 4

OSL6:55 amOslo Gardermoen

21h 21m

2 stops

PDX7:16 pmPortland

$470

American Airlines

Jan 30

PDX12:35 pmPortland

24h 35m

2 stops

OSL10:10 pmOslo Gardermoen

Feb 9

OSL7:20 amOslo Gardermoen

22h 04m

2 stops

PDX8:24 pmPortland

$586

Fly from

Fly to

Route

Depart

Return

Price

PortlandOslo

PDX - OSL

PDXOSL

Portland

Sat 4/4

3:30 pm-3:25 pm

1 stop14h 55m

Oslo Gardermoen

Sat 4/11

4:30 pm-6:00 pm

1 stop34h 30m

$400

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 3/4

1:52 pm-10:55 am

2 stops36h 03m

Oslo Gardermoen

Mon 3/9

2:40 pm-12:20 am

2 stops41h 40m

$451

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 3/4

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Mon 3/9

2:40 pm-12:20 am

2 stops41h 40m

$454

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

6:45 pm-2:10 pm

1 stop35h 25m

Oslo Gardermoen

Tue 3/17

7:25 pm-4:55 pm

1 stop29h 30m

$456

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 2/16

5:45 pm-10:40 pm

1 stop19h 55m

Oslo Gardermoen

Wed 3/4

6:55 am-3:55 pm

1 stop18h 00m

$458

PortlandOslo

PDX - OSL

PDXOSL

Portland

Tue 2/10

2:13 pm-10:55 am

2 stops35h 42m

Oslo Gardermoen

Tue 2/17

7:25 pm-3:55 pm

1 stop29h 30m

$460

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

11:46 am-6:40 pm

2 stops22h 54m

Oslo Gardermoen

Tue 3/17

7:25 pm-4:55 pm

1 stop29h 30m

$461

PortlandOslo

PDX - OSL

PDXOSL

Portland

Wed 2/18

5:45 pm-10:55 am

1 stop32h 10m

Oslo Gardermoen

Fri 2/27

7:10 am-3:55 pm

1 stop17h 45m

$463

PortlandOslo

PDX - OSL

PDXOSL

Portland

Mon 3/9

1:52 pm-10:40 pm

2 stops24h 48m

Oslo Gardermoen

Tue 3/17

11:45 am-12:20 am

2 stops20h 35m

$464

PortlandOslo

PDX - TRF

PDXTRF

Portland

Thu 5/14

3:30 pm-9:10 pm

2 stops20h 40m

Oslo Sandefjord

Sun 5/24

12:10 pm-5:55 pm

2 stops14h 45m

$871

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 November is, on average, the cheapest month to fly to Oslo from Portland, with most prices found around $549. If you’re not able to fly to Oslo in November, then October is your next best option. Flight prices from Portland to Oslo during October average around $577.

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 $775 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 $602 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?
As of January 2026, 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 $421	Free Cancellation	Rating 7.3 1,654 reviews	Search Scandinavian Airlines flights
Icelandair	PriceFrom $436	Free Cancellation	Rating 7.1 596 reviews	Search Icelandair flights
British Airways	PriceFrom $575	Free Cancellation	Rating 6.7 7,680 reviews	Search British Airways flights
Delta	PriceFrom $589	Free Cancellation	Rating 7.9 8,051 reviews	Search Delta flights
KLM	PriceFrom $600	Free Cancellation	Rating 7.7 1,440 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.