KLU

$966 Find Cheap Flights to Klagenfurt - Compare and Save

1 adult
1 adult, Economy, 0 bags

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Everything you should know

Cheapest round-trip
$966
Typical prices: $848-$1,119
Air Canada, Lufthansa
Sun 10/28Fri 11/2
SEA - KLU • 2 stops
Top airlines
Austrian Airlines
Best reviews • 7.6 score
Airline reviews
Airline reviews
Top routes
ATL - KLU
Cheapest • 44% average savings
WAS - KLU
Most popular
Insights
Insights
When to travel
November
Cheapest • 15% price drop
March
Most popular
Good to know
+1
Good to know
+1
Start a new search
KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Klagenfurt!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights to Klagenfurt

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals to Klagenfurt

Wed, Oct 28 - Mon, Nov 2
Multiple Airlines Logo
7:45 am - 10:30 amSEA  Seattle/Tacoma Intl-KLU Klagenfurt
18h 45m2 stops Toronto Pearson Intl Vienna Intl
Multiple Airlines Logo
11:40 am - 6:22 pmKLU  Klagenfurt-SEA Seattle/Tacoma Intl
39h 42m3 stops Vienna Intl Frankfurt am Main Vancouver Intl
$966Multiple Airlines
Wed, Oct 28 - Mon, Nov 2
Austrian Airlines Logo
7:45 am - 10:30 amSEA  Seattle/Tacoma Intl-KLU Klagenfurt
18h 45m2 stops Toronto Pearson Intl Vienna Intl
Austrian Airlines Logo
11:40 am - 8:59 pmKLU  Klagenfurt-SEA Seattle/Tacoma Intl
42h 19m2 stops Vienna Intl Toronto Pearson Intl
$1,000Austrian Airlines
Wed, Oct 28 - Mon, Nov 2
Multiple Airlines Logo
7:05 pm - 10:30 amSEA  Seattle/Tacoma Intl-KLU Klagenfurt
31h 25m3 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:40 am - 2:37 pmKLU  Klagenfurt-SEA Seattle/Tacoma Intl
35h 57m3 stops Vienna Intl Frankfurt am Main Vancouver Intl
$1,018Multiple Airlines
Tue, Oct 27 - Tue, Nov 3
Austrian Airlines Logo
2:14 pm - 10:30 amSJC  San Jose-KLU Klagenfurt
36h 16m2 stops Chicago O'Hare Intl Vienna Intl
Austrian Airlines Logo
11:15 am - 12:02 pmKLU  Klagenfurt-SJC San Jose
57h 47m2 stops Vienna Intl Toronto Pearson Intl
$1,040Austrian Airlines
Tue, Oct 27 - Tue, Nov 3
Multiple Airlines Logo
2:14 pm - 10:30 amSJC  San Jose-KLU Klagenfurt
36h 16m2 stops Chicago O'Hare Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 9:08 pmKLU  Klagenfurt-SJC San Jose
42h 53m3 stops Vienna Intl Frankfurt am Main Denver Intl
$1,053Multiple Airlines
Tue, Oct 27 - Tue, Nov 3
Lufthansa Logo
1:00 pm - 10:30 amSJC  San Jose-KLU Klagenfurt
37h 30m3 stops Denver Intl Munich Franz Josef Strauss Vienna Intl
Lufthansa Logo
11:15 am - 9:08 pmKLU  Klagenfurt-SJC San Jose
42h 53m3 stops Vienna Intl Frankfurt am Main Denver Intl
$1,144Lufthansa
Thu, Jan 7 - Mon, Jan 11
Multiple Airlines Logo
6:00 am - 10:30 amDCA  Washington, D.C. Reagan-National-KLU Klagenfurt
22h 30m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 6:18 pmKLU  Klagenfurt-DCA Washington, D.C. Reagan-National
37h 03m2 stops Vienna Intl Toronto Pearson Intl
$1,205Multiple Airlines
Thu, Jan 7 - Sun, Jan 10
Multiple Airlines Logo
6:00 am - 10:30 amDCA  Washington, D.C. Reagan-National-KLU Klagenfurt
22h 30m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 10:29 amKLU  Klagenfurt-DCA Washington, D.C. Reagan-National
53h 14m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl
$1,249Multiple Airlines
Thu, Jan 7 - Sun, Jan 10
Multiple Airlines Logo
1:20 pm - 10:30 amIAD  Washington, D.C. Dulles Intl-KLU Klagenfurt
15h 10m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 11:16 amKLU  Klagenfurt-IAD Washington, D.C. Dulles Intl
54h 01m2 stops Vienna Intl Montreal Pierre Elliott Trudeau Intl
$1,249Multiple Airlines
Thu, Jan 7 - Mon, Jan 11
Multiple Airlines Logo
9:55 am - 10:30 amIAD  Washington, D.C. Dulles Intl-KLU Klagenfurt
18h 35m2 stops Montreal Pierre Elliott Trudeau Intl Vienna Intl
Multiple Airlines Logo
11:15 am - 2:10 pmKLU  Klagenfurt-IAD Washington, D.C. Dulles Intl
32h 55m1 stop Vienna Intl
$1,290Multiple Airlines
Booking Insights

Price, demand and travel trends for United States to Klagenfurt flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from the United States to Klagenfurt with more confidence.

What is the cheapest flight to Klagenfurt?

Seattle to Klagenfurt is the cheapest route at $966 round-trip, found in the past 5 days on KAYAK. Washington, D.C. Dulles Intl Airport to Klagenfurt is the most popular connection with round-trip deals from $1,249.

How much is a flight to Klagenfurt?

A round-trip flight to Klagenfurt costs $945 on average, based on data over the past 12 months on KAYAK. Round-trip fares from Atlanta average $735, while Boston runs a bit higher at $1,521.

What is the cheapest day to fly to Klagenfurt?

Monday is the cheapest day to fly to Klagenfurt at $801 round-trip on average over the past 12 months on KAYAK. Thursday is the most expensive at $1,176.

What is the cheapest time of day to fly to Klagenfurt?

Morning flights to Klagenfurt are the cheapest at $910 round-trip on average. Afternoon flights are the most expensive at $1,042.

What is a good deal for flights to Klagenfurt?

Flights under $848 are considered a good deal. 25% of KAYAK users found round-trip flights to Klagenfurt at or below these prices, with the lowest fares from:

  • Atlanta $735
.

Find deals

Key details for flights to Klagenfurt

Low season

August
Most popular time to fly and prices are also 3% lower on average.

When to book flights to Klagenfurt

Are your dates flexible? Find out the best times to travel to Klagenfurt based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your questions about flights to Klagenfurt, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • What is the difference between the most popular and the most frequent airline at Klagenfurt?

    Austrian Airlines operates the most flights from the United States to Klagenfurt at 0 per week, and for this route Austrian Airlines is also the airline most often selected by KAYAK users searching for flights from the United States to Klagenfurt. The two are often different because flight volume reflects an airline's schedule, while popularity reflects traveler choice.

  • Where can I fly from to get the cheapest fares to Klagenfurt?

    Based on fares booked in the past 5 days, the cheapest flights to Klagenfurt are from:
    • Washington, D.C., from $1,205 round-trip

  • How do I know if a flight to Klagenfurt is a good deal?

    A good deal on a flight to Klagenfurt is around $848 round-trip. This fare is in the lowest 25% of round-trip prices searched on KAYAK, averaged across the cities most often searched as origins by KAYAK users.

Your guide to booking Klagenfurt flights

From booking to airport arrival, find tips to help you plan your flight with more confidence.
  • For flights to Klagenfurt, recent KAYAK data shows that stronger deals tend to land around $848 round-trip. If you see a fare below that threshold, it's a strong deal – book before the price climbs back up.
  • If you can choose when to go, time your trip to Klagenfurt around November. Round-trip fares historically average $801 that month – typically the cheapest month to travel based on the last 12 months.
  • Before you book:

    • Check the route's typical price range so you can spot a deal.
    • Confirm baggage fees and seat-selection costs on budget carriers.
    • Verify whether you need any travel documents beyond ID.
    • Pick a departure airport, since your nearest may not be the cheapest origin.
  • Shift your departure to morning to save up to $132 per round-trip. Morning flights to Klagenfurt average $910 compared to $1,042 for noon flights. See the time-of-day chart above for the full breakdown.

Traveling to a place near Klagenfurt?

Book flights to Klagenfurt if you plan to visit one of these locations
Bad Kleinkirchheim
Tamsweg

More options for your flight to Klagenfurt