HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Slovenia

$421+ 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 4/27. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — LJU
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to Slovenia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 17, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$883
(FlightHub)

One-way from

$421
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$1,635
Provider with most accurate pricing for Washington, D.C. (WAS)-Ljubljana Joze Pucnik flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ljubljana Joze Pucnik flights.
Search Deals
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. 6% potential increase in price ($73 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

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 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 5/81:30 pmIAD - LJU
1 stop23h 45mTurkish Airlines
Thu 5/159:25 amLJU - IAD
1 stop32h 20mTurkish Airlines
Deal found 4/17$883
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/66:50 pmBWI - LJU
3 stops32h 05mMultiple Airlines
Tue 5/139:05 amLJU - BWI
2 stops14h 35mMultiple Airlines
Deal found 4/17$939
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/65:00 pmIAD - LJU
3 stops33h 55mMultiple Airlines
Tue 5/1310:35 amLJU - IAD
2 stops34h 45mMultiple Airlines
Deal found 4/17$957
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.
Wed 5/218:45 pmIAD - LJU
1 stop15h 50mSWISS
Tue 8/197:20 pmLJU - IAD
1 stop26h 55mSWISS
Deal found 4/17$969
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.
Thu 7/319:25 amBWI - LJU
2 stops20h 40mDelta
Tue 9/212:35 pmLJU - BWI
2 stops15h 08mDelta
Deal found 4/17$997
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.
Fri 11/2111:00 amDCA - LJU
2 stops20h 40mMultiple Airlines
Sat 11/296:30 amLJU - DCA
2 stops20h 30mMultiple Airlines
Deal found 4/17$1,025
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.
Fri 10/1010:20 pmIAD - LJU
1 stop15h 05mLufthansa
Sat 10/1810:05 amLJU - IAD
2 stops16h 50mLufthansa
Deal found 4/17$1,026
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.
Wed 5/146:30 pmIAD - LJU
1 stop11h 05mDelta
Wed 5/2112:35 pmLJU - IAD
2 stops17h 00mDelta
Deal found 4/17$1,137
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.
Fri 9/59:20 pmBWI - LJU
1 stop16h 00mBritish Airways
Thu 9/117:00 pmLJU - BWI
1 stop30h 35mBritish Airways
Deal found 4/17$1,175
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 5/81:00 pmIAD - LJU
2 stops16h 05mKLM
Thu 5/1512:35 pmLJU - IAD
2 stops17h 53mKLM
Deal found 4/17$1,191
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.
Fri 7/113:30 pmDCA - LJU
2 stops14h 35mDelta
Tue 7/2212:20 pmLJU - DCA
2 stops17h 10mDelta
Deal found 4/17$1,224
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/56:09 amDCA - LJU
2 stops24h 26mLOT
Sun 9/285:05 pmLJU - DCA
2 stops35h 54mLOT
Deal found 4/17$1,375

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 April 17, 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

Thu 5/8

1:30 pm-7:15 pm

1 stop23h 45m

Ljubljana Joze Pucnik

Thu 5/15

9:25 am-11:45 am

1 stop32h 20m

$883

BaltimoreLjubljana

BWI - LJU

BWILJU

Baltimore/Washington

Tue 5/6

6:50 pm-8:55 am

3 stops32h 05m

Ljubljana Joze Pucnik

Tue 5/13

9:05 am-5:40 pm

2 stops14h 35m

$939

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Tue 5/6

5:00 pm-8:55 am

3 stops33h 55m

Ljubljana Joze Pucnik

Tue 5/13

10:35 am-3:20 pm

2 stops34h 45m

$957

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 5/21

8:45 pm-6:35 pm

1 stop15h 50m

Ljubljana Joze Pucnik

Tue 8/19

7:20 pm-4:15 pm

1 stop26h 55m

$969

BaltimoreLjubljana

BWI - LJU

BWILJU

Baltimore/Washington

Thu 7/31

9:25 am-12:05 pm

2 stops20h 40m

Ljubljana Joze Pucnik

Tue 9/2

12:35 pm-9:43 pm

2 stops15h 08m

$997

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Fri 10/10

10:20 pm-7:25 pm

1 stop15h 05m

Ljubljana Joze Pucnik

Sat 10/18

10:05 am-8:55 pm

2 stops16h 50m

$1,026

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

Fri 8/22

6:00 am-9:30 am

2 stops21h 30m

Ljubljana Joze Pucnik

Mon 9/1

6:30 am-3:48 pm

2 stops15h 18m

$1,031

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 5/14

6:30 pm-11:35 am

1 stop11h 05m

Ljubljana Joze Pucnik

Wed 5/21

12:35 pm-11:35 pm

2 stops17h 00m

$1,137

BaltimoreLjubljana

BWI - LJU

BWILJU

Baltimore/Washington

Fri 9/5

9:20 pm-7:20 pm

1 stop16h 00m

Ljubljana Joze Pucnik

Thu 9/11

7:00 pm-7:35 pm

1 stop30h 35m

$1,175

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Thu 5/8

1:00 pm-11:05 am

2 stops16h 05m

Ljubljana Joze Pucnik

Thu 5/15

12:35 pm-12:28 am

2 stops17h 53m

$1,191

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/16

Showing 1-10 of 21 results
1
2
3

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 April 17, 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
7,916 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,916 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
1,327 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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.
LOT
7.6
Good
1,065 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7.5
Good
1,435 reviews
Delta
8.0
Very good
7,916 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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
7,916 reviews

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Boarding

8.2

Food

7.3

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, 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 British Airways. According to our data, you can fly for as low as $677. Users have also found prices from $709 and $985 on Delta and Turkish Airlines, 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 $1,520). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.
Dulles Intl to Heathrow flights
Dulles Intl to Charles de Gaulle flights
Dulles Intl to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Athens flights
Reagan-National to Heathrow flights
Dulles Intl to Madrid flights
Dulles Intl to Lisbon flights
Dulles Intl to Istanbul flights
Dulles Intl to Dublin flights
Dulles Intl to Gatwick flights
Dulles Intl to London City flights
Dulles Intl to Barcelona-El Prat flights
Reagan-National to Gatwick flights
Dulles Intl to Orly flights
Dulles Intl to Frankfurt flights
Reagan-National to Charles de Gaulle flights
Reagan-National to Leonardo da Vinci/Fiumicino flights
Dulles Intl to Bruxelles-National flights
Dulles Intl to Amsterdam flights
Reagan-National to Athens flights
Reagan-National to Orly flights
Reagan-National to Madrid flights
Reagan-National to Lisbon flights
Dulles Intl to Keflavik Intl flights
Dulles Intl to Edinburgh flights
Dulles Intl to Zurich flights
Reagan-National to Istanbul flights
Dulles Intl to Vicenza flights
Dulles Intl to Munich flights
Dulles Intl to Copenhagen flights
Reagan-National to Dublin flights
Dulles Intl to Malpensa flights
Dulles Intl to Linate flights
Reagan-National to Barcelona-El Prat flights
Dulles Intl to Stansted flights
Reagan-National to Malpensa flights
Dulles Intl to Sabiha Gokcen flights
Dulles Intl to Florence flights
Reagan-National to Frankfurt flights
Reagan-National to Keflavik Intl flights
Dulles Intl to Vienna flights
Reagan-National to Bruxelles-National flights
Reagan-National to London City flights
Reagan-National to Florence flights
Dulles Intl to Oslo Gardermoen flights
Reagan-National to Amsterdam flights
Dulles Intl to Luton flights
Dulles Intl to Geneva flights
Reagan-National to Linate flights
Reagan-National to Vicenza flights

Top 2 airlines flying from Washington, D.C. to Slovenia

Discover the top 2 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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$670Average$1,139FlexibilityNo cancel feeOn-time76%
SWISSCheapest$872Average$1,081FlexibilityNo cancel feeOn-time79%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.