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$552+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$837
(British Airways)

One-way from

$552
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$704
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. 28% potential increase in price ($405 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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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 April 17, 2025.

This FlightHub deal was found by Cheapflights users on 4/17. 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.
Thu 8/147:10 pmSEA - LJU
1 stop33h 00mTurkish Airlines
Wed 8/278:10 pmLJU - SEA
1 stop23h 25mTurkish Airlines
Deal found 4/17$694
This Air Canada deal was found by Cheapflights users on 4/17. 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.
Tue 8/121:45 pmSEA - LJU
2 stops19h 50mMultiple Airlines
Sat 8/236:30 amLJU - SEA
2 stops23h 11mMultiple Airlines
Deal found 4/17$798
This Gurufare deal was found by Cheapflights users on 4/17. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/122:20 pmSEA - LJU
1 stop22h 40mLufthansa
Sat 8/238:00 pmLJU - SEA
1 stop29h 59mLufthansa
Deal found 4/17$814
This British Airways deal was found by Cheapflights users on 4/17. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/131:30 pmSEA - LJU
1 stop18h 45mBritish Airways
Wed 5/286:00 pmLJU - SEA
1 stop26h 35mBritish Airways
Deal found 4/17$837
This SWISS deal was found by Cheapflights users on 4/17. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/91:45 pmSEA - LJU
2 stops19h 50mSWISS
Mon 9/227:20 pmLJU - SEA
2 stops32h 16mSWISS
Deal found 4/17$841
This Delta deal was found by Cheapflights users on 4/17. 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 5/131:55 pmSEA - LJU
1 stop13h 10mDelta
Wed 5/2812:35 pmLJU - SEA
2 stops20h 24mDelta
Deal found 4/17$860
This KLM deal was found by Cheapflights users on 4/17. 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.
Thu 5/81:30 pmSEA - LJU
1 stop12h 35mKLM
Thu 5/1512:35 pmLJU - SEA
1 stop32h 05mKLM
Deal found 4/17$894
This Emirates deal was found by Cheapflights users on 4/17. 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 Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/115:15 pmSEA - LJU
1 stop35h 15mEmirates
Sun 9/212:30 pmLJU - SEA
2 stops41h 22mEmirates
Deal found 4/17$1,831
This Justfly.com deal was found by Cheapflights users on 4/17. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:00 amSEA - LJU
2 stops24h 45mBrussels Airlines
Mon 9/156:35 pmLJU - SEA
2 stops33h 14mBrussels Airlines
Deal found 4/17$5,414

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 April 17, 2025.
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

Thu 8/14

7:10 pm-1:10 pm

1 stop33h 00m

Ljubljana Joze Pucnik

Wed 8/27

8:10 pm-10:35 am

1 stop23h 25m

$694

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 8/12

1:45 pm-6:35 pm

2 stops19h 50m

Ljubljana Joze Pucnik

Sat 8/23

6:30 am-8:41 pm

2 stops23h 11m

$798

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 8/12

2:20 pm-10:00 pm

1 stop22h 40m

Ljubljana Joze Pucnik

Sat 8/23

8:00 pm-4:59 pm

1 stop29h 59m

$814

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 5/13

1:30 pm-5:15 pm

1 stop18h 45m

Ljubljana Joze Pucnik

Wed 5/28

6:00 pm-11:35 am

1 stop26h 35m

$837

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 9/9

1:45 pm-6:35 pm

2 stops19h 50m

Ljubljana Joze Pucnik

Mon 9/22

7:20 pm-6:36 pm

2 stops32h 16m

$841

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 5/13

1:55 pm-12:05 pm

1 stop13h 10m

Ljubljana Joze Pucnik

Wed 5/28

12:35 pm-11:59 pm

2 stops20h 24m

$860

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Thu 5/8

1:30 pm-11:05 am

1 stop12h 35m

Ljubljana Joze Pucnik

Thu 5/15

12:35 pm-11:40 am

1 stop32h 05m

$894

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Thu 9/11

5:15 pm-1:30 pm

1 stop35h 15m

Ljubljana Joze Pucnik

Sun 9/21

2:30 pm-10:52 pm

2 stops41h 22m

$1,831

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Thu 9/4

8:00 am-5:45 pm

2 stops24h 45m

Ljubljana Joze Pucnik

Mon 9/15

6:35 pm-6:49 pm

2 stops33h 14m

$5,414

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 6/18

7:05 am-8:15 am

3 stops40h 10m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 11 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, February is the cheapest month in which you can book a flight from Seattle to Slovenia (average of $710). Flying from Seattle to Slovenia in June is currently the most expensive (average of $1,520). 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.

What is the cheapest time of day to fly from SEA to SI?

Find hourly flight availability from Seattle to Slovenia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Slovenia as you normally would.

Rainfall in Slovenia by month

Plan your trip to Slovenia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Slovenia ranges from 1.6 - 2.8 inches per month. October is typically the wettest month, when rainfall can reach 2.8 in. January is typically the driest time to visit Slovenia when rainfall is around 1.6 in.

Temperature in Slovenia by month

Plan your trip to Slovenia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Slovenia, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 30.2 F).

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 April 17, 2025.
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,917 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,329 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,580 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,769 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Lufthansa
6.7
Okay
7,012 reviews
Delta
8.0
Very good
7,917 reviews

Comfort

7.9

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

  • 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, February is the cheapest month in which you can book a flight from Seattle to Slovenia (average of $710). Flying from Seattle to Slovenia in June is currently the most expensive (average of $1,520). 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 Seattle to Slovenia

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Top 3 airlines flying from Seattle to Slovenia

Discover the top 3 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$647Average$801FlexibilityNo cancel feeOn-time77%
DeltaCheapest$719Average$1,279FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$748Average$1,233FlexibilityNo cancel feeOn-time76%

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