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Slovenia

$301+ Cheap flights from Washington to Slovenia

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LJU
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Washington to Slovenia

Cheapest flights from Washington to Slovenia
Explore the most affordable flight options available from Washington to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:40 pm
SEA
-
LJU
2 stops18h 45m
Lufthansa
Wed 4/86:25 am
LJU
-
SEA
1 stop14h 55m
Lufthansa
Deal found 1/26$535
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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.
Tue 2/2410:55 am
SEA
-
LJU
2 stops18h 10m
SWISS
Tue 3/36:30 am
LJU
-
SEA
2 stops25h 13m
SWISS
Deal found 1/27$539
This Mytrip deal was found by Cheapflights users on 1/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/248:00 am
SEA
-
LJU
2 stops16h 55m
Multiple Airlines
Tue 3/36:35 am
LJU
-
SEA
1 stop14h 35m
Multiple Airlines
Deal found 1/27$540
This FlightHub deal was found by Cheapflights users on 1/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/313:40 pm
SEA
-
LJU
2 stops18h 45m
Multiple Airlines
Wed 4/810:50 am
LJU
-
SEA
2 stops19h 07m
Multiple Airlines
Deal found 1/26$541
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/226:50 pm
SEA
-
LJU
1 stop15h 40m
Lufthansa
Thu 4/306:25 am
LJU
-
SEA
1 stop14h 55m
Lufthansa
Deal found 1/28$542
This KLM deal was found by Cheapflights users on 1/26. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/311:45 pm
SEA
-
LJU
1 stop24h 05m
KLM
Wed 4/82:00 pm
LJU
-
SEA
1 stop35h 30m
KLM
Deal found 1/26$545
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:10 am
SEA
-
LJU
2 stops20h 30m
Delta
Wed 3/1112:50 pm
LJU
-
SEA
1 stop31h 45m
Delta
Deal found 1/28$546
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/228:00 am
SEA
-
LJU
2 stops26h 30m
Multiple Airlines
Thu 4/306:25 am
LJU
-
SEA
2 stops26h 04m
Multiple Airlines
Deal found 1/28$547
This Delta deal was found by Cheapflights users on 1/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/266:10 am
SEA
-
LJU
2 stops20h 30m
Delta
Sat 3/712:50 pm
LJU
-
SEA
2 stops29h 50m
Delta
Deal found 1/28$556
This KLM deal was found by Cheapflights users on 1/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/49:50 am
SEA
-
LJU
2 stops17h 30m
KLM
Sat 3/1412:25 pm
LJU
-
SEA
2 stops30h 15m
KLM
Deal found 1/28$560

Find flight deals from Washington to Slovenia

Keep the following information in mind while searching for Washington to Slovenia flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(FlightHub)

One-way from

$301
(Kiwi.com)

Popular in

January

Cheapest in

November

Average price

$1,386
Provider with most accurate pricing for Seattle/Tacoma Intl-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ljubljana Joze Pucnik flights.
Search Deals
From Washington to Slovenia
Search Deals
One-way flight from Washington to Slovenia
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Slovenia 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 January 29, 2026.
Use the filters below to find and compare flights from Washington to Slovenia that are best for you.

Fly from

Washington

Fly to

Slovenia

Route

Depart

Return

Price

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 3/31

3:40 pm-7:25 pm

2 stops18h 45m

Ljubljana Joze Pucnik

Wed 4/8

6:25 am-12:20 pm

1 stop14h 55m

$535

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 2/24

10:55 am-2:05 pm

2 stops18h 10m

Ljubljana Joze Pucnik

Tue 3/3

6:30 am-10:43 pm

2 stops25h 13m

$539

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 2/24

8:00 am-9:55 am

2 stops16h 55m

Ljubljana Joze Pucnik

Tue 3/3

6:35 am-12:10 pm

1 stop14h 35m

$540

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 4/22

8:00 am-7:30 pm

2 stops26h 30m

Ljubljana Joze Pucnik

Thu 4/30

6:25 am-12:20 pm

1 stop14h 55m

$540

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 3/31

3:40 pm-7:25 pm

2 stops18h 45m

Ljubljana Joze Pucnik

Wed 4/8

10:50 am-8:57 pm

2 stops19h 07m

$541

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 3/31

1:45 pm-10:50 pm

1 stop24h 05m

Ljubljana Joze Pucnik

Wed 4/8

2:00 pm-4:30 pm

1 stop35h 30m

$545

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 4/22

8:00 am-7:30 pm

2 stops26h 30m

Ljubljana Joze Pucnik

Thu 4/30

6:25 am-11:29 pm

2 stops26h 04m

$547

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Thu 2/26

6:10 am-11:40 am

2 stops20h 30m

Ljubljana Joze Pucnik

Sat 3/7

12:50 pm-9:40 am

2 stops29h 50m

$556

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 3/4

9:50 am-12:20 pm

2 stops17h 30m

Ljubljana Joze Pucnik

Sat 3/14

12:25 pm-10:40 am

2 stops30h 15m

$560

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Fri 2/27

7:10 am-12:20 pm

2 stops20h 10m

Ljubljana Joze Pucnik

Fri 3/6

12:25 pm-11:25 pm

2 stops20h 00m

$568

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 18 results
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Best time to book a flight from Washington to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia 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 Slovenia

What is the cheapest month to book a flight from State of Washington to Slovenia?

Currently, December is the cheapest month in which you can book a flight from State of Washington to Slovenia (average of $540). Flying from State of Washington to Slovenia in January is currently the most expensive (average of $1,278). 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.

Related info for your journey

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

  • How long is the flight from State of Washington to Slovenia?

    Departing from State of Washington to Slovenia will take you 18h 10m. There are 5454 mi between State of Washington and Slovenia. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Washington 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 State of Washington to Slovenia?

    Currently, December is the cheapest month in which you can book a flight from State of Washington to Slovenia (average of $540). Flying from State of Washington to Slovenia in January is currently the most expensive (average of $1,278). 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.

See more FAQs

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Alternative routes for Washington to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Washington to Slovenia

Discover the top 5 airlines that operate flights from Washington to Slovenia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$543Average$929FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$644Average$811FlexibilityNo cancel feeOn-time77%
DeltaCheapest$764Average$873FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$825Average$930FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$831Average$873FlexibilityNo cancel feeOn-time77%

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