Slovenia

$521+ Cheap flights from Dulles Intl (IAD) to Slovenia

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — LJU
Nov 12 — Nov 191
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl 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 Dulles Intl to Slovenia

Keep the following information in mind while searching for Dulles Intl to Slovenia flight deals. Data was last updated October 13, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$521
(Kiwi.com)

Popular in

June

Cheapest in

January

Average price

$1,130
Provider with most accurate pricing for Washington, D.C. (WAS)-Ljubljana Joze Pucnik flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ljubljana Joze Pucnik flights.
From Washington, D.C. Dulles Intl to Slovenia
Highest demand for flights based on searches. 16% potential increase in price ($205 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($34 potential savings vs. average RT price).
Average for round-trip flights in October 2025

Find flight deals from Dulles Intl to Slovenia

Cheapest flights from Dulles Intl to Slovenia
Explore the most affordable flight options available from Dulles Intl to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/98:30 pmIAD - LJU
1 stop11h 50mSWISS
Sun 11/166:30 amLJU - IAD
1 stop16h 10mSWISS
Deal found 10/10$521
This Kiwi.com deal was found by Cheapflights users on 10/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/278:30 pmIAD - LJU
1 stop11h 05mSWISS
Thu 12/46:30 amLJU - IAD
1 stop16h 10mSWISS
Deal found 10/12$522
This Mytrip deal was found by Cheapflights users on 10/12. 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.
Thu 11/279:45 amIAD - LJU
2 stops21h 50mMultiple Airlines
Thu 12/46:35 amLJU - IAD
1 stop15h 15mMultiple Airlines
Deal found 10/12$527
This Cheapflightsfares deal was found by Cheapflights users on 10/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/910:55 pmIAD - LJU
1 stop14h 35mLufthansa
Sun 11/166:35 amLJU - IAD
1 stop15h 15mLufthansa
Deal found 10/11$533
This Delta deal was found by Cheapflights users on 10/12. 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.
Wed 12/36:50 pmIAD - LJU
1 stop10h 50mDelta
Sun 12/712:45 pmLJU - IAD
1 stop33h 20mDelta
Deal found 10/12$538
This Lufthansa deal was found by Cheapflights users on 10/10. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/310:55 pmIAD - LJU
1 stop14h 35mLufthansa
Sun 12/79:45 amLJU - IAD
1 stop16h 20mLufthansa
Deal found 10/10$539
This Expedia deal was found by Cheapflights users on 10/10. 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.
Sun 11/99:45 amIAD - LJU
2 stops21h 10mMultiple Airlines
Sun 11/169:45 amLJU - IAD
1 stop16h 20mMultiple Airlines
Deal found 10/10$541
This KLM deal was found by Cheapflights users on 10/10. 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.
Tue 11/256:05 pmIAD - LJU
1 stop12h 15mKLM
Tue 12/212:50 pmLJU - IAD
1 stop33h 15mKLM
Deal found 10/10$545

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl 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 October 13, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Slovenia that are best for you.

Fly from

Dulles Intl

Fly to

Slovenia

Route

Depart

Return

Price

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Sun 11/9

8:30 pm-2:20 pm

1 stop11h 50m

Ljubljana Joze Pucnik

Sun 11/16

6:30 am-4:40 pm

1 stop16h 10m

$521

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Thu 11/27

8:30 pm-1:35 pm

1 stop11h 05m

Ljubljana Joze Pucnik

Thu 12/4

6:30 am-4:40 pm

1 stop16h 10m

$522

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Thu 11/27

9:45 am-1:35 pm

2 stops21h 50m

Ljubljana Joze Pucnik

Thu 12/4

6:35 am-3:50 pm

1 stop15h 15m

$527

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Sun 11/9

10:55 pm-7:30 pm

1 stop14h 35m

Ljubljana Joze Pucnik

Sun 11/16

6:35 am-3:50 pm

1 stop15h 15m

$533

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 12/3

6:50 pm-11:40 am

1 stop10h 50m

Ljubljana Joze Pucnik

Sun 12/7

12:45 pm-4:05 pm

1 stop33h 20m

$538

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Wed 12/3

10:55 pm-7:30 pm

1 stop14h 35m

Ljubljana Joze Pucnik

Sun 12/7

9:45 am-8:05 pm

1 stop16h 20m

$539

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Sun 11/9

9:45 am-12:55 pm

2 stops21h 10m

Ljubljana Joze Pucnik

Sun 11/16

9:45 am-8:05 pm

1 stop16h 20m

$541

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

Tue 11/25

6:05 pm-12:20 pm

1 stop12h 15m

Ljubljana Joze Pucnik

Tue 12/2

12:50 pm-4:05 pm

1 stop33h 15m

$545

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/10

Best time to book a flight from Dulles Intl to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Dulles Intl 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. Dulles Intl Airport to Slovenia
No data available for this route at this time. Please check back soon.

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 October 13, 2025.
Peruse reviews from past customers who have flown with Turkish Airlines and Lufthansa from Washington, D.C. Dulles Intl Airport to Slovenia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

7.7

Overall

7.3

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Food

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

Crew

7.7

Overall

7.3

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Food

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

Crew

7.7

Overall

7.3

Boarding

7.3

Comfort

7.3

Entertainment

7.4

Food

7.4

Reviews

1 / 20
6.0
Good

Christina,Sep 2025

DTW - IST

Crew was fine but the plane seemed smaller like the seats were very crammed in for an international flight. I’m a small person and it felt suffocating to me.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Slovenia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Washington, D.C. Dulles Intl Airport to Slovenia?

    Airlines like SWISS, Lufthansa, and Delta fly from Washington, D.C. Dulles Intl Airport to Slovenia in about 10h 50m. The time it takes to get you to your destination can typically vary by up to 3h 45m. There are 4429 mi between Washington, D.C. Dulles Intl Airport and Slovenia. This flight may include one or multiple stops.

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

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

  • How can I find direct flights from Dulles Intl to Slovenia?

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl 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.

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 Dulles Intl to Slovenia

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Dulles Intl to Slovenia

Discover the top 2 airlines that operate flights from Dulles Intl 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 October 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Turkish AirlinesCheapest$662Average$816FlexibilityNo cancel feeOn-time77%
LufthansaCheapest$824Average$1,155FlexibilityNo cancel feeOn-time76%

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.