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$353+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — LJU
Apr 5 — Apr 121
Sat 4/5
Sat 4/12
1 adult, Economy
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Cheap flight deals from Washington to Slovenia

Keep the following information in mind while searching for Washington to Slovenia flight deals. Data was last updated March 31, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$711
(oojo)

One-way from

$353
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$695
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 Washington to Slovenia
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One-way flight from Washington to Slovenia
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Highest demand for flights based on searches. 27% potential increase in price ($386 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find 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 March 31, 2025.

This oojo deal was found by Cheapflights users on 3/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/297:10 pmSEA - LJU
1 stop28h 20mTurkish Airlines
Tue 5/68:10 pmLJU - SEA
1 stop30h 05mTurkish Airlines
Deal found 3/30$711
This Gurufare deal was found by Cheapflights users on 3/30. 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.
Mon 9/292:20 pmSEA - LJU
1 stop14h 00mLufthansa
Tue 10/76:20 amLJU - SEA
2 stops16h 56mLufthansa
Deal found 3/30$908
This Air Canada deal was found by Cheapflights users on 3/30. 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 9/231:45 pmSEA - LJU
2 stops19h 50mMultiple Airlines
Wed 10/16:40 amLJU - SEA
2 stops16h 36mMultiple Airlines
Deal found 3/30$914
This Gurufare deal was found by Cheapflights users on 3/31. 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.
Sun 9/141:45 pmSEA - LJU
2 stops19h 50mSWISS
Mon 9/297:20 pmLJU - SEA
2 stops32h 16mSWISS
Deal found 3/31$921
This Delta deal was found by Cheapflights users on 3/30. 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.
Sun 8/245:00 pmSEA - LJU
2 stops44h 30mDelta
Fri 9/511:50 amLJU - SEA
2 stops19h 56mDelta
Deal found 3/30$952
This Aeromexico deal was found by Cheapflights users on 3/30. 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 Aeromexico is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/911:15 amSEA - LJU
2 stops39h 20mAir France
Sat 8/2312:20 pmLJU - SEA
2 stops40h 19mAir France
Deal found 3/30$1,070
This KLM deal was found by Cheapflights users on 3/30. 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 6/189:50 amSEA - LJU
2 stops16h 45mKLM
Wed 7/912:20 pmLJU - SEA
1 stop14h 05mKLM
Deal found 3/30$1,406
This British Airways deal was found by Cheapflights users on 3/30. 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.
Fri 6/201:29 pmSEA - LJU
2 stops20h 51mBritish Airways
Mon 7/73:10 pmLJU - SEA
1 stop29h 00mBritish Airways
Deal found 3/30$1,688

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 March 31, 2025.
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 4/29

7:10 pm-8:30 am

1 stop28h 20m

Ljubljana Joze Pucnik

Tue 5/6

8:10 pm-5:15 pm

1 stop30h 05m

$711

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 9/24

7:00 am-9:35 am

2 stops17h 35m

Ljubljana Joze Pucnik

Thu 10/2

6:40 am-2:16 pm

2 stops16h 36m

$912

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Tue 9/23

1:45 pm-6:35 pm

2 stops19h 50m

Ljubljana Joze Pucnik

Wed 10/1

6:40 am-2:16 pm

2 stops16h 36m

$914

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sun 9/14

1:45 pm-6:35 pm

2 stops19h 50m

Ljubljana Joze Pucnik

Mon 9/29

7:20 pm-6:36 pm

2 stops32h 16m

$921

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sun 8/24

5:00 pm-10:30 pm

2 stops44h 30m

Ljubljana Joze Pucnik

Fri 9/5

11:50 am-10:46 pm

2 stops19h 56m

$952

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sat 8/9

11:15 am-11:35 am

2 stops39h 20m

Ljubljana Joze Pucnik

Sat 8/23

12:20 pm-7:39 pm

2 stops40h 19m

$1,070

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 6/18

9:50 am-11:35 am

2 stops16h 45m

Ljubljana Joze Pucnik

Wed 7/9

12:20 pm-5:25 pm

1 stop14h 05m

$1,406

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Fri 6/20

1:29 pm-7:20 pm

2 stops20h 51m

Ljubljana Joze Pucnik

Mon 7/7

3:10 pm-11:10 am

1 stop29h 00m

$1,688

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sun 4/27

3:45 pm-5:45 pm

2 stops17h 00m

$353

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 8/6

7:10 pm-1:10 pm

1 stop33h 00m

$582

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 13 results
1
2

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, February is the cheapest month in which you can book a flight from State of Washington to Slovenia (average of $710). Flying from State of Washington 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 WA to SI?

Find hourly flight availability from Washington 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 March 31, 2025.

When flying from State of Washington to Slovenia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 March 31, 2025.
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

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
7,899 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

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
1,321 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

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
1,570 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

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.
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

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
3,748 reviews
Delta
8.0
Very good
7,899 reviews

Entertainment

7.9

Food

7.3

Overall

8.0

Comfort

8.0

Crew

8.5

Boarding

8.2

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 Washington to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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, February is the cheapest month in which you can book a flight from State of Washington to Slovenia (average of $710). Flying from State of Washington 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 Washington to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Washington to Slovenia

Discover the top 3 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 March 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$647Average$957FlexibilityNo cancel feeOn-time77%
DeltaCheapest$719Average$1,279FlexibilityNo cancel feeOn-timeN/A
LufthansaCheapest$748Average$1,233FlexibilityNo cancel feeOn-time76%
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