The cheapest times to fly from PWM to KLU are

  • January 1st to May 13th (except the weeks of April 2nd and April 9th)
  • October 1st to December 9th (except the week of October 15th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from PWM to KLU is mid November. Prices can be as high as $2180 for Friday flights during late June, or as low as $964 for Tuesday flights around mid November.


When to Fly to Klagenfurt

Flying from Portland, ME (PWM) to Klagenfurt (KLU) will usually cost between $1053 to $1791 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid November with an average ticket price of $1095. Due to high demand the most expensive time to fly is late June, with an average price of $1799. Planning your trip to low-cost times can easily save you $704 on economy flights and even more on first-class flights. Generally, any price below $1263 can be considered a good price for a round-trip PWM to KLU flight.

See below for a graph of average weekly prices for the PWM to KLU route. All prices are for round-trip tickets in USD.

PWM to KLU Flight Prices

Compared to other flights, the PWM to KLU flight is slightly more expensive than the average and costs more than the average flight leaving from Portland. The average price per mile (for a direct flight) is $0.2, which is below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Fridays are the most expensive days to fly to Klagenfurt, and Saturdays are the most expensive days to return to Portland. Selecting flights on the least expensive days could save you up to $120 (9%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $1233. Return trip prices are from the KLU to PWM flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from PWM to KLU can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 8 hour 2 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from PWM to KLU while comparing.

Destination alternative #1: Vienna International Airport (VIE) in Vienna

  • 145 miles (233 km) away from KLU
  • Usually 14.61% less expensive than KLU
  • 1-layover flights available

See PWM to VIE flights

Destination alternative #2: Marco Polo International Airport (VCE) in Venice

  • 123 miles (198 km) away from KLU
  • Usually 8.59% less expensive than KLU
  • 1-layover flights available

See PWM to VCE flights

Destination alternative #3: Zagreb Airport (ZAG) in Zagreb

  • 103 miles (166 km) away from KLU
  • Usually 0.24% less expensive than KLU
  • 2-layover flights available

See PWM to ZAG flights


Flight Hacking PWM to KLU

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from PWM to KLU — but Champion Traveler does!

Hack #1: Cologne (PWM > CGN > KLU)

  • Price for both tickets: $1212
  • Average savings: $51 (4.04%)

See PWM to CGN flights

Hack #2: Vienna (PWM > VIE > KLU)

  • Price for both tickets: $1225
  • Average savings: $39 (3.05%)

See PWM to VIE flights


Flight Questions Answered

Still have questions about flying from PWM to KLU? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Air Canada, American, Austrian, Delta, United, and potentially more during busy seasons.

How far away is it from Klagenfurt Airport to Portland International Jetport Airport?

The distance between the two airports is roughly 3921 miles or 6310 kilometers.

How long does it take to fly from PWM to KLU?

The real-world flight time for a nonstop PWM to KLU flight is about 8 hour 2 minutes.

How many flights go between Portland, ME and Klagenfurt?

It depends on the day of the week and the date, but a typical day might have around 12 available flights from PWM to KLU.


Airport Location Info


Departing Airport

Origination code PWM
Origination airport name Portland International Jetport Airport
City Portland, ME
Country the United States
Latitude 43.6
Longitude -70.3

Return Airport

Destination code KLU
Destination airport name Klagenfurt Airport
City Klagenfurt
Country Austria
Latitude 46.6
Longitude 14.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.