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Klagenfurt

$515+ Cheap flights from Washington to Klagenfurt (KLU)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/20. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — KLU
Jan 14 — Jan 211
Wed 1/14
Wed 1/21
1 adult, Economy
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Cheap flight deals from Washington to Klagenfurt

One-way flights from Washington to Klagenfurt
Search for one-way flight options from Washington to Klagenfurt. Find affordable one-way fares based on user searches. Data last updated December 15, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:17 amSEA - KLU
2 stops17h 13mAustrian Airlines
Deal found 12/15$515
This Air Canada deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:00 pmSEA - KLU
3 stops29h 35mAir Canada
Deal found 12/13$529
This Ovago deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/203:40 pmSEA - KLU
3 stops46h 40mLufthansa
Deal found 12/13$649
This Cheapflightsfares deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/258:00 amSEA - KLU
2 stops20h 50mAustrian Airlines
Deal found 12/15$1,023
This Air Canada deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/255:50 amSEA - KLU
3 stops23h 00mAir Canada
Deal found 12/13$1,026
This Ovago deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/202:00 pmSEA - KLU
2 stops38h 50mLufthansa
Deal found 12/15$1,941
This Cheapflightsfares deal was found by Cheapflights users on 12/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/207:00 amSEA - KLU
2 stops21h 55mAustrian Airlines
Deal found 12/13$3,453

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Klagenfurt that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 15, 2025.
Use the filters below to find and compare flights from Washington to Klagenfurt that are best for you.

Fly from

Washington

Fly to

Klagenfurt

Route

Depart

Return

Price

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

8:17 am-10:30 am

2 stops17h 13m

$515

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Fri 2/20

3:40 pm-11:20 pm

3 stops46h 40m

$649

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Thu 12/25

8:00 am-1:50 pm

2 stops20h 50m

$1,023

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Thu 12/25

5:50 am-1:50 pm

3 stops23h 00m

$1,026

SeattleKlagenfurt

SEA - KLU

SEAKLU

Seattle/Tacoma Intl

Sat 12/20

2:00 pm-1:50 pm

2 stops38h 50m

$1,941

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Best time to book a flight from Washington to Klagenfurt

Have a flexible travel schedule? Discover the best time to fly to Klagenfurt from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Klagenfurt
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Washington to Klagenfurt. 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 into for flights to Klagenfurt from Washington?

    Klagenfurt (KLU) is the airport you will fly into if you book a flight from Washington to Klagenfurt. It is only a 2.0 mi journey from Klagenfurt (KLU) to Klagenfurt’s city center.

  • Can I find deals for flights from Washington to Klagenfurt that include hotel bookings?

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

  • How can I find direct flights from Washington to Klagenfurt?

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

  • Can I find deals for business class flights from Washington to Klagenfurt?

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

See more FAQs

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