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$362+ Cheap flights from Washington, D.C. (WAS) 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LJU
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Slovenia

Keep the following information in mind while searching for Washington, D.C. to Slovenia flight deals. Data was last updated June 23, 2025.

Round-trip from

$726
(CheapOair)

One-way from

$362
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,380
From Washington, D.C. (WAS) to Slovenia
Search Deals
One-way flight from Washington, D.C. (WAS) to Slovenia
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($163 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Washington, D.C. to Slovenia

Cheapest flights from Washington, D.C. to Slovenia
Explore the most affordable flight options available from Washington, D.C. to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 23, 2025.

This CheapOair deal was found by Cheapflights users on 6/21. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:45 pmIAD - LJU
1 stop11h 20mMultiple Airlines
Wed 11/266:35 amLJU - IAD
2 stops15h 46mMultiple Airlines
Deal found 6/21$726
This SWISS deal was found by Cheapflights users on 6/21. 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.
Sun 8/108:45 pmIAD - LJU
1 stop31h 20mSWISS
Fri 8/2210:50 amLJU - IAD
1 stop11h 25mSWISS
Deal found 6/21$734
This Gotogate deal was found by Cheapflights users on 6/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/57:06 pmDCA - LJU
2 stops16h 09mBritish Airways
Tue 8/125:00 pmLJU - DCA
2 stops36h 18mBritish Airways
Deal found 6/21$779
This KLM deal was found by Cheapflights users on 6/22. 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.
Sun 8/106:30 pmIAD - LJU
1 stop11h 05mKLM
Fri 8/226:30 amLJU - IAD
1 stop18h 45mKLM
Deal found 6/22$793
This British Airways deal was found by Cheapflights users on 6/23. 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 9/510:40 pmIAD - LJU
1 stop14h 40mBritish Airways
Thu 9/117:00 pmLJU - IAD
1 stop28h 30mBritish Airways
Deal found 6/23$801
This oojo deal was found by Cheapflights users on 6/21. 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.
Wed 10/19:40 pmIAD - LJU
1 stop33h 30mTurkish Airlines
Tue 10/79:25 amLJU - IAD
1 stop16h 20mTurkish Airlines
Deal found 6/21$805
This Finnair deal was found by Cheapflights users on 6/21. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/110:45 pmIAD - LJU
2 stops52h 00mFinnair
Tue 10/79:30 amLJU - IAD
2 stops40h 45mFinnair
Deal found 6/21$826
This Delta deal was found by Cheapflights users on 6/21. 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.
Wed 9/1012:13 pmIAD - LJU
2 stops17h 22mDelta
Fri 9/1911:50 amLJU - IAD
2 stops17h 44mDelta
Deal found 6/21$834
This KLM deal was found by Cheapflights users on 6/21. 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.
Sun 8/32:55 pmDCA - LJU
2 stops15h 05mKLM
Tue 8/1912:35 pmLJU - DCA
2 stops15h 37mKLM
Deal found 6/21$848
This Gotogate deal was found by Cheapflights users on 6/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/510:20 pmIAD - LJU
1 stop15h 05mLufthansa
Tue 8/128:00 pmLJU - IAD
2 stops25h 50mLufthansa
Deal found 6/21$852
This Air France deal was found by Cheapflights users on 6/23. 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 France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/281:52 pmBWI - LJU
2 stops15h 43mAir France
Wed 8/137:40 amLJU - BWI
2 stops19h 11mAir France
Deal found 6/23$859
This Gotogate deal was found by Cheapflights users on 6/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/45:35 pmIAD - LJU
1 stop18h 10mBrussels Airlines
Fri 8/156:35 pmLJU - IAD
1 stop24h 55mBrussels Airlines
Deal found 6/21$909

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 June 23, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Slovenia that are best for you.

Fly from

Washington, D.C.

Fly to

Slovenia

Route

Depart

Return

Price

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Tue 11/18

8:45 pm-2:05 pm

1 stop11h 20m

Ljubljana Joze Pucnik

Wed 11/26

6:35 am-4:21 pm

2 stops15h 46m

$726

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Sun 8/10

8:45 pm-10:05 am

1 stop31h 20m

Ljubljana Joze Pucnik

Fri 8/22

10:50 am-4:15 pm

1 stop11h 25m

$734

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

Tue 8/5

7:06 pm-5:15 pm

2 stops16h 09m

Ljubljana Joze Pucnik

Tue 8/12

5:00 pm-11:18 pm

2 stops36h 18m

$779

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Sun 8/10

6:30 pm-11:35 am

1 stop11h 05m

Ljubljana Joze Pucnik

Fri 8/22

6:30 am-7:15 pm

1 stop18h 45m

$793

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Fri 9/5

10:40 pm-7:20 pm

1 stop14h 40m

Ljubljana Joze Pucnik

Thu 9/11

7:00 pm-5:30 pm

1 stop28h 30m

$801

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 10/1

9:40 pm-1:10 pm

1 stop33h 30m

Ljubljana Joze Pucnik

Tue 10/7

9:25 am-7:45 pm

1 stop16h 20m

$805

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 10/1

10:45 pm-8:45 am

2 stops52h 00m

Ljubljana Joze Pucnik

Tue 10/7

9:30 am-8:15 pm

2 stops40h 45m

$826

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 9/10

12:13 pm-11:35 am

2 stops17h 22m

Ljubljana Joze Pucnik

Fri 9/19

11:50 am-11:34 pm

2 stops17h 44m

$834

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

Sun 8/3

2:55 pm-12:00 pm

2 stops15h 05m

Ljubljana Joze Pucnik

Tue 8/19

12:35 pm-10:12 pm

2 stops15h 37m

$848

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Tue 8/5

10:20 pm-7:25 pm

1 stop15h 05m

Ljubljana Joze Pucnik

Tue 8/12

8:00 pm-3:50 pm

2 stops25h 50m

$852

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 31 results
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Best time to book a flight from Washington, D.C. to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Washington, D.C. 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, D.C. to Slovenia

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 June 23, 2025.
Read reviews from past customers who have flown Delta, KLM and LOT from Washington, D.C. to Slovenia. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,965 reviews
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,365 reviews
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
LOT
7.6
Good
1,082 reviews
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,295 reviews
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air France
7.5
Good
1,470 reviews
Delta
8.0
Very good
7,965 reviews

Entertainment

7.9

Crew

8.5

Boarding

8.2

Comfort

7.9

Overall

8.0

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

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

  • What are the cheapest airlines to fly from Washington, D.C. to Slovenia one-way?

    For one-way options, check prices for Turkish Airlines. According to our data, you can fly for as low as $460. Users have also found prices from $589 and $596 on Finnair and British Airways, respectively.

  • What are the most popular routes from Washington, D.C. to Slovenia?

    While some choose either Baltimore/Washington - Ljubljana Joze Pucnik or Washington, D.C. Reagan-National - Ljubljana Joze Pucnik, Washington, D.C. Dulles Intl - Ljubljana Joze Pucnik is the most popular route from Washington, D.C. to Slovenia.

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

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

  • How can I find direct flights from Washington, D.C. to Slovenia?

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

  • Can I find deals for business class flights from Washington, D.C. to Slovenia?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Slovenia?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Slovenia (average of $710). Flying from Washington, D.C. to Slovenia in June is currently the most expensive (average of $1,460). 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, D.C. 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, D.C. to Slovenia

Discover the top 3 airlines that operate flights from Washington, D.C. 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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$816Average$920FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$824Average$1,119FlexibilityNo cancel feeOn-time76%
SWISSCheapest$880Average$989FlexibilityNo cancel feeOn-time79%

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