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$327+ Cheap flights from Seattle (SEA) 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 2/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LJU
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Seattle to Slovenia

Keep the following information in mind while searching for Seattle to Slovenia flight deals. Data was last updated January 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$526
(Mytrip)

One-way from

$327
(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.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Ljubljana Joze Pucnik flights.
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From Seattle/Tacoma Intl to Slovenia
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One-way flight from Seattle/Tacoma Intl to Slovenia
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Highest demand for flights based on searches. 6% potential increase in price ($59 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Seattle to Slovenia

Cheapest flights from Seattle to Slovenia
Explore the most affordable flight options available from Seattle to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This Mytrip deal was found by Cheapflights users on 1/12. 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.
Sun 4/268:00 am
SEA
-
LJU
2 stops19h 35m
Multiple Airlines
Tue 5/126:35 am
LJU
-
SEA
1 stop14h 45m
Multiple Airlines
Deal found 1/12$526
This Mytrip deal was found by Cheapflights users on 1/11. 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.
Thu 2/268:10 am
SEA
-
LJU
2 stops26h 20m
Multiple Airlines
Thu 3/56:35 am
LJU
-
SEA
1 stop14h 35m
Multiple Airlines
Deal found 1/11$530
This Mytrip deal was found by Cheapflights users on 1/11. 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.
Thu 2/198:10 am
SEA
-
LJU
2 stops26h 20m
Multiple Airlines
Wed 3/410:00 am
LJU
-
SEA
2 stops21h 16m
Multiple Airlines
Deal found 1/11$533
This Delta deal was found by Cheapflights users on 1/12. 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.
Tue 4/141:30 pm
SEA
-
LJU
1 stop15h 20m
Delta
Wed 4/292:00 pm
LJU
-
SEA
1 stop35h 30m
Delta
Deal found 1/12$539
This FlightHub deal was found by Cheapflights users on 1/12. 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 4/156:50 pm
SEA
-
LJU
1 stop15h 40m
Lufthansa
Wed 4/296:25 am
LJU
-
SEA
1 stop14h 55m
Lufthansa
Deal found 1/12$540
This FlightHub deal was found by Cheapflights users on 1/12. 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 4/153:40 pm
SEA
-
LJU
2 stops18h 50m
Multiple Airlines
Tue 4/286:35 am
LJU
-
SEA
1 stop14h 45m
Multiple Airlines
Deal found 1/12$542
This KAYAK deal was found by Cheapflights users on 1/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:50 pm
SEA
-
LJU
1 stop15h 40m
Lufthansa
Thu 4/306:25 am
LJU
-
SEA
1 stop14h 55m
Lufthansa
Deal found 1/12$547
This Expedia deal was found by Cheapflights users on 1/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/262:00 pm
SEA
-
LJU
1 stop23h 10m
Lufthansa
Thu 3/56:35 am
LJU
-
SEA
1 stop14h 35m
Lufthansa
Deal found 1/11$553
This Delta deal was found by Cheapflights users on 1/12. 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.
Tue 4/147:15 am
SEA
-
LJU
2 stops21h 35m
Delta
Tue 4/286:00 am
LJU
-
SEA
2 stops25h 03m
Delta
Deal found 1/12$554

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 12, 2026.
Use the filters below to find and compare flights from Seattle to Slovenia that are best for you.

Fly from

Seattle

Fly to

Slovenia

Route

Depart

Return

Price

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sun 4/26

8:00 am-12:35 pm

2 stops19h 35m

Ljubljana Joze Pucnik

Tue 5/12

6:35 am-12:20 pm

1 stop14h 45m

$526

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Thu 2/19

8:10 am-7:30 pm

2 stops26h 20m

Ljubljana Joze Pucnik

Wed 3/4

10:00 am-10:16 pm

2 stops21h 16m

$533

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sun 4/26

6:50 pm-7:25 pm

1 stop15h 35m

Ljubljana Joze Pucnik

Tue 5/12

6:35 am-12:20 pm

1 stop14h 45m

$540

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Thu 2/19

1:40 pm-11:40 am

1 stop13h 00m

Ljubljana Joze Pucnik

Wed 3/4

12:50 pm-11:35 am

1 stop31h 45m

$540

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 4/15

3:40 pm-7:30 pm

2 stops18h 50m

Ljubljana Joze Pucnik

Tue 4/28

6:35 am-12:20 pm

1 stop14h 45m

$542

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 4/15

7:15 am-1:50 pm

2 stops21h 35m

Ljubljana Joze Pucnik

Thu 4/30

6:00 am-4:30 pm

1 stop19h 30m

$544

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 4/14

7:15 am-1:50 pm

2 stops21h 35m

Ljubljana Joze Pucnik

Wed 4/29

2:00 pm-4:30 pm

1 stop35h 30m

$544

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 4/14

7:15 am-1:50 pm

2 stops21h 35m

Ljubljana Joze Pucnik

Thu 4/30

2:00 pm-11:42 am

1 stop30h 42m

$544

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 4/14

7:15 am-1:50 pm

2 stops21h 35m

Ljubljana Joze Pucnik

Tue 4/28

6:00 am-10:03 pm

2 stops25h 03m

$554

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sun 2/15

3:10 pm-7:55 pm

3 stops43h 45m

$327

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 15 results
1
2

Best time to book a flight from Seattle to Slovenia

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

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

Currently, December is the cheapest month in which you can book a flight from Seattle to Slovenia (average of $540). Flying from Seattle 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.

Reviews of airlines servicing Slovenia

Get insights into the airlines that provide service to Slovenia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Slovenia. Reviews last updated January 12, 2026.
Read through reviews of airlines operating flights from Seattle to Slovenia, such as Delta, KLM, and Air France. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,039 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,039 reviews
Delta
7.9
Good
8,039 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
KLM
7.7
Good
1,437 reviews
Delta
7.9
Good
8,039 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Air France
7.4
Good
1,520 reviews
Delta
7.9
Good
8,039 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Turkish Airlines
7.3
Good
4,157 reviews
Delta
7.9
Good
8,039 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Lufthansa
6.8
Okay
7,709 reviews
Delta
7.9
Good
8,039 reviews

Overall

7.9

Comfort

7.9

Boarding

8.1

Crew

8.5

Entertainment

7.8

Food

7.2

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Seattle 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 Seattle to Slovenia?

    If you book a flight to Slovenia from Seattle, you will be flying from Seattle/Tacoma Intl, which is the city’s only airport. Seattle/Tacoma Intl (SEA) is located 11.4 mi from the center of Seattle.

  • How long is the flight from Seattle to Slovenia?

    There are many flights that can get you from Seattle to Slovenia in 15h 35m. Fly via Lufthansa to get the fastest option. The distance from Seattle to Slovenia is about 5454 mi.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Slovenia?

    Currently, December is the cheapest month in which you can book a flight from Seattle to Slovenia (average of $540). Flying from Seattle 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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Top 5 airlines flying from Seattle to Slovenia

Discover the top 5 airlines that operate flights from Seattle 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 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$543Average$951FlexibilityNo cancel feeOn-time76%
Turkish AirlinesCheapest$644Average$801FlexibilityNo cancel feeOn-time77%
DeltaCheapest$765Average$873FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$825Average$930FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$831Average$873FlexibilityNo cancel feeOn-time77%

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