What is the cheapest month to book a flight from Portland to Slovenia?

Currently, February is the cheapest month in which you can book a flight from Portland to Slovenia (average of $710). Flying from Portland to Slovenia in June is currently the most expensive (average of $1,444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

In terms of precipitation, rainfall in Slovenia ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovenia when rainfall is around 1.6 in.

If weather is an important factor for your trip to Slovenia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

What is the cheapest month to fly from Portland to Slovenia?

March is one of the best times of the year to fly to Slovenia from Portland. Prices for March average $1,173 per person but you can even find prices for as low as $757. The most expensive prices can be found in the month of September. Opting for a March flight can save you 33% on your journey compared to booking in September

What airport do you fly from for flights from Portland to Slovenia?

For a flight from Portland to Slovenia, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.

Can I find deals for flights from Portland to Slovenia that include hotel bookings?

Yes. In addition to deals on Portland to Slovenia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Slovenia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Slovenia.

Can I find deals for business class flights from Portland to Slovenia?

Yes. Cheapflights offers flight deals from Portland to Slovenia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheap flight deals from Portland to Slovenia

Popular in	September
Cheapest in	March
Average price	$995

High demand for flights, 0% potential price rise

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Cheapest flight prices on average. 3% potential price decrease ($43 potential savings vs. average RT price).

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Average for round-trip flights in August 2025

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Everything you need to know about your flight from Portland to Slovenia

What is the cheapest time of day to fly from PDX to SI?

When flying from Portland to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with Delta from Portland to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,980 reviews

Delta

8.0

Very good

7,980 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What airport do you fly from for flights from Portland to Slovenia?
For a flight from Portland to Slovenia, you will be flying from Portland. Portland (PDX) is just 6.0 mi from the center of the city.
Can I find deals for flights from Portland to Slovenia that include hotel bookings?
Yes. In addition to deals on Portland to Slovenia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Slovenia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Slovenia.
Can I find deals for business class flights from Portland to Slovenia?
Yes. Cheapflights offers flight deals from Portland to Slovenia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Slovenia?
Currently, February is the cheapest month in which you can book a flight from Portland to Slovenia (average of $710). Flying from Portland to Slovenia in June is currently the most expensive (average of $1,444). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top airline flying from Portland to Slovenia

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$757	Average$1,153	FlexibilityNo cancel fee	On-timeN/A

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Find cheap flights from Portland to Slovenia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Slovenia

Keep the following information in mind while searching for Portland to Slovenia flight deals. Data was last updated agosto 14, 2025.

Popular in

Cheapest in

Average price

Cheapflights Insights

Everything you need to know about your flight from Portland to Slovenia

What is the cheapest time of day to fly from PDX to SI?

Find hourly flight availability from Portland to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with Delta from Portland to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Portland to Slovenia?

Can I find deals for flights from Portland to Slovenia that include hotel bookings?

How can I find direct flights from Portland to Slovenia?

Can I find deals for business class flights from Portland to Slovenia?

What is the cheapest month to book a flight from Portland to Slovenia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Slovenia by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Portland to Slovenia by cabin class

Find flights from Portland to Slovenia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Portland and Slovenia flights

Browse other Portland and Slovenia flight options. Last updated on agosto 14, 2025.

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Cheap flights from Portland (PDX) to Slovenia

Find cheap flights from Portland to Slovenia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Portland to Slovenia

Keep the following information in mind while searching for Portland to Slovenia flight deals. Data was last updated agosto 14, 2025.

Popular in

Cheapest in

Average price

Cheapflights Insights

Everything you need to know about your flight from Portland to Slovenia

What is the cheapest time of day to fly from PDX to SI?

Find hourly flight availability from Portland to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with Delta from Portland to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Portland to Slovenia?

Can I find deals for flights from Portland to Slovenia that include hotel bookings?

How can I find direct flights from Portland to Slovenia?

Can I find deals for business class flights from Portland to Slovenia?

What is the cheapest month to book a flight from Portland to Slovenia?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Portland to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Portland to Slovenia

100% Free

Book with Flexibility

Travel Smart