How long is the flight from Washington, D.C. to Slovenia?

Departing from Washington, D.C. to Slovenia will take you 17h 55m. The distance between Washington, D.C. and Slovenia is about 4387 mi. This flight may include one or multiple stops.

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.

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).

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

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

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

When flying from Washington, D.C. 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.

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.

$368+ Flights from Washington, D.C. to Slovenia

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Cheap 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 דצמבר 19, 2025.

א' 12/216:10 pmIAD - LJU

2 stops14h 10mSWISS

ב' 12/293:10 pmLJU - IAD

2 stops28h 50mSWISS

Deal found 12/18

$1,777

א' 12/216:10 pmIAD - LJU

2 stops14h 10mMultiple Airlines

ב' 12/298:10 pmLJU - IAD

2 stops24h 25mMultiple Airlines

Deal found 12/18

$1,891

א' 12/219:15 pmIAD - LJU

1 stop29h 10mTurkish Airlines

ב' 12/297:35 pmLJU - IAD

1 stop29h 45mTurkish Airlines

Deal found 12/18

$1,925

א' 12/212:00 pmBWI - LJU

2 stops15h 40mAir France

ב' 12/2912:25 pmLJU - BWI

2 stops17h 06mAir France

Deal found 12/18

$2,476

א' 12/212:01 pmDCA - LJU

2 stops15h 39mAir France

ב' 12/2912:25 pmLJU - DCA

2 stops16h 25mAir France

Deal found 12/18

$2,856

Best flights from Washington, D.C. to Slovenia
Discover carefully curated flight deals from Washington, D.C. to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated דצמבר 19, 2025.

ה' 1/151:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

ה' 1/229:20 amLJU - IAD

1 stop16h 00mTurkish Airlines

Deal found 12/18

$640

ד' 5/138:20 pmIAD - LJU

1 stop20h 45mSWISS

ד' 8/196:25 amLJU - IAD

1 stop16h 20mSWISS

Deal found 12/18

$678

ד' 5/1310:20 pmIAD - LJU

1 stop15h 10mMultiple Airlines

ד' 8/1910:35 amLJU - IAD

2 stops15h 49mMultiple Airlines

Deal found 12/17

$718

א' 2/111:45 amBWI - LJU

2 stops17h 55mDelta

א' 2/81:40 pmLJU - BWI

2 stops17h 01mDelta

Deal found 12/18

$844

ש' 1/171:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

ד' 1/219:20 amLJU - IAD

1 stop16h 00mTurkish Airlines

Deal found 12/17

$677

א' 3/229:30 pmIAD - LJU

1 stop19h 55mSWISS

ש' 3/282:50 pmLJU - IAD

2 stops28h 05mSWISS

Deal found 12/17

$743

א' 2/19:15 pmIAD - LJU

1 stop15h 25mTurkish Airlines

א' 2/87:35 pmLJU - IAD

1 stop22h 10mTurkish Airlines

Deal found 12/18

$722

ה' 1/156:00 amDCA - LJU

3 stops31h 30mMultiple Airlines

ה' 1/226:35 amLJU - DCA

3 stops21h 23mMultiple Airlines

Deal found 12/18

$825

א' 2/11:40 pmDCA - LJU

2 stops16h 00mDelta

א' 2/81:40 pmLJU - DCA

2 stops15h 08mDelta

Deal found 12/18

$844

ש' 1/311:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

ש' 2/77:35 pmLJU - IAD

1 stop22h 10mTurkish Airlines

Deal found 12/17

$741

ה' 1/1511:10 amDCA - LJU

2 stops18h 30mDelta

ה' 1/2212:50 pmLJU - DCA

2 stops15h 58mDelta

Deal found 12/18

$844

א' 2/17:40 pmBWI - LJU

3 stops31h 15mMultiple Airlines

א' 2/81:45 pmLJU - BWI

3 stops34h 55mMultiple Airlines

Deal found 12/18

$914

ד' 1/281:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

א' 2/19:20 amLJU - IAD

1 stop32h 25mTurkish Airlines

Deal found 12/17

$773

ד' 1/283:30 pmDCA - LJU

2 stops39h 45mEmirates

א' 2/12:15 pmLJU - DCA

2 stops36h 44mEmirates

Deal found 12/16

$2,232

ד' 3/49:15 pmIAD - LJU

1 stop15h 25mTurkish Airlines

א' 3/89:20 amLJU - IAD

1 stop32h 25mTurkish Airlines

Deal found 12/18

$773

ה' 1/1512:00 pmBWI - LJU

2 stops18h 20mDelta

ה' 1/2212:50 pmLJU - BWI

2 stops17h 51mDelta

Deal found 12/18

$960

ו' 1/911:10 amDCA - LJU

2 stops15h 55mMultiple Airlines

ש' 1/176:30 amLJU - DCA

2 stops19h 02mMultiple Airlines

Deal found 12/18

$1,041

ו' 1/93:38 pmBWI - LJU

2 stops15h 32mMultiple Airlines

ש' 1/171:40 pmLJU - BWI

2 stops26h 39mMultiple Airlines

Deal found 12/18

$1,050

א' 2/16:50 pmDCA - LJU

3 stops19h 05mMultiple Airlines

א' 2/81:45 pmLJU - DCA

3 stops34h 20mMultiple Airlines

Deal found 12/18

$1,059

א' 3/223:35 pmBWI - LJU

2 stops15h 05mDelta

ש' 3/2812:25 pmLJU - BWI

2 stops15h 36mDelta

Deal found 12/17

$1,680

א' 3/2211:05 amDCA - LJU

2 stops20h 50mMultiple Airlines

ש' 3/286:55 amLJU - DCA

2 stops20h 03mMultiple Airlines

Deal found 12/17

$1,668

ש' 1/1711:05 amDCA - LJU

2 stops20h 35mMultiple Airlines

ד' 1/2110:00 amLJU - DCA

2 stops17h 58mMultiple Airlines

Deal found 12/17

$1,670

ש' 1/171:02 pmBWI - LJU

2 stops16h 38mMultiple Airlines

ד' 1/2112:50 pmLJU - BWI

2 stops17h 51mMultiple Airlines

Deal found 12/17

$1,674

א' 1/181:02 pmBWI - LJU

2 stops16h 38mAir France

ה' 1/2912:25 pmLJU - BWI

2 stops16h 40mAir France

Deal found 12/18

$6,810

א' 2/151:01 pmBWI - LJU

2 stops16h 39mMultiple Airlines

ו' 2/2012:50 pmLJU - BWI

2 stops17h 47mMultiple Airlines

Deal found 12/17

$4,215

ש' 1/171:02 pmBWI - LJU

2 stops16h 38mMultiple Airlines

ד' 1/2812:50 pmLJU - BWI

2 stops17h 51mMultiple Airlines

Deal found 12/17

$7,336

Last-minute flights from Washington, D.C. to Slovenia
Discover last-minute flight deals from Washington, D.C. to Slovenia. Data last updated דצמבר 19, 2025 and is based on user searches.

ו' 1/911:10 amDCA - LJU

2 stops15h 55mMultiple Airlines

ש' 1/176:30 amLJU - DCA

2 stops19h 02mMultiple Airlines

Deal found 12/18

$1,041

ה' 1/151:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

ה' 1/229:20 amLJU - IAD

1 stop16h 00mTurkish Airlines

Deal found 12/18

$640

ה' 1/156:10 pmIAD - LJU

2 stops13h 25mMultiple Airlines

ה' 1/2210:30 amLJU - IAD

1 stop11h 20mMultiple Airlines

Deal found 12/18

$801

ה' 1/1510:15 pmIAD - LJU

2 stops18h 15mSWISS

ה' 1/222:25 pmLJU - IAD

2 stops29h 35mSWISS

Deal found 12/18

$814

ה' 1/156:00 amDCA - LJU

3 stops31h 30mMultiple Airlines

ה' 1/226:35 amLJU - DCA

3 stops21h 23mMultiple Airlines

Deal found 12/18

$825

ה' 1/1511:10 amDCA - LJU

2 stops18h 30mDelta

ה' 1/2212:50 pmLJU - DCA

2 stops15h 58mDelta

Deal found 12/18

$844

ה' 1/1512:00 pmBWI - LJU

2 stops18h 20mDelta

ה' 1/2212:50 pmLJU - BWI

2 stops17h 51mDelta

Deal found 12/18

$960

ש' 1/179:15 pmIAD - LJU

1 stop15h 25mTurkish Airlines

ד' 1/217:35 pmLJU - IAD

1 stop29h 45mTurkish Airlines

Deal found 12/18

$677

ש' 1/175:30 pmIAD - LJU

2 stops15h 45mMultiple Airlines

ד' 1/219:45 amLJU - IAD

3 stops35h 30mMultiple Airlines

Deal found 12/18

$805

ד' 1/281:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

א' 2/19:20 amLJU - IAD

1 stop32h 25mTurkish Airlines

Deal found 12/17

$773

ש' 1/311:30 pmIAD - LJU

1 stop23h 10mTurkish Airlines

ש' 2/77:35 pmLJU - IAD

1 stop22h 10mTurkish Airlines

Deal found 12/17

$741

ש' 1/317:40 pmIAD - LJU

3 stops31h 15mMultiple Airlines

ש' 2/78:45 pmLJU - IAD

3 stops27h 45mMultiple Airlines

Deal found 12/17

$780

One-way flights from Washington, D.C. to Slovenia
Search for one-way flight options from Washington, D.C. to Slovenia. Find affordable one-way fares based on user searches. Data last updated דצמבר 19, 2025.

א' 3/158:40 pmBWI - LJU

3 stops31h 15mMultiple Airlines

Deal found 12/17

$368

א' 3/158:40 pmIAD - LJU

3 stops31h 15mMultiple Airlines

Deal found 12/17

$368

א' 3/156:00 amDCA - LJU

2 stops32h 55mMultiple Airlines

Deal found 12/17

$438

א' 3/1510:15 pmIAD - LJU

1 stop15h 25mTurkish Airlines

Deal found 12/17

$573

ד' 6/179:40 pmIAD - LJU

1 stop29h 05mTurkish Airlines

Deal found 12/17

$991

ד' 6/1710:35 pmIAD - LJU

2 stops18h 30mTAP AIR PORTUGAL

Deal found 12/18

$1,040

ד' 6/176:30 pmIAD - LJU

2 stops13h 30mSWISS

Deal found 12/17

$1,100

ד' 6/179:00 amBWI - LJU

2 stops20h 35mDelta

Deal found 12/18

$1,170

ד' 6/179:30 pmBWI - LJU

1 stop14h 20mBritish Airways

Deal found 12/18

$1,176

Find flight deals from Washington, D.C. to Slovenia

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$640 (FlightHub)
One-way from	$368 (Mytrip)
Popular in	May
Cheapest in	November
Average price	$1,277

Provider with most accurate pricing for Washington, D.C. (WAS)-Ljubljana Joze Pucnik flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Ljubljana Joze Pucnik flights.

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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. 14% potential increase in price ($175 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($35 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ה' 1/15

1:30 pm-6:40 pm

1 stop23h 10m

Ljubljana Joze Pucnik

ה' 1/22

9:20 am-7:20 pm

1 stop16h 00m

$640

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ש' 1/17

1:30 pm-6:40 pm

1 stop23h 10m

Ljubljana Joze Pucnik

ד' 1/21

9:20 am-7:20 pm

1 stop16h 00m

$677

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ד' 5/13

8:20 pm-11:05 pm

1 stop20h 45m

Ljubljana Joze Pucnik

ד' 8/19

6:25 am-4:45 pm

1 stop16h 20m

$678

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ד' 5/13

10:20 pm-7:30 pm

1 stop15h 10m

Ljubljana Joze Pucnik

ד' 8/19

10:35 am-8:24 pm

2 stops15h 49m

$718

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

א' 2/1

9:15 pm-6:40 pm

1 stop15h 25m

Ljubljana Joze Pucnik

א' 2/8

7:35 pm-11:45 am

1 stop22h 10m

$722

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ש' 1/31

1:30 pm-6:40 pm

1 stop23h 10m

Ljubljana Joze Pucnik

ש' 2/7

7:35 pm-11:45 am

1 stop22h 10m

$741

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

א' 3/22

9:30 pm-10:25 pm

1 stop19h 55m

Ljubljana Joze Pucnik

ש' 3/28

2:50 pm-1:55 pm

2 stops28h 05m

$743

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ד' 1/28

1:30 pm-6:40 pm

1 stop23h 10m

Ljubljana Joze Pucnik

א' 2/1

9:20 am-11:45 am

1 stop32h 25m

$773

Washington, D.C.Ljubljana

IAD - LJU

IADLJU

Washington, D.C. Dulles Intl

ד' 3/4

9:15 pm-6:40 pm

1 stop15h 25m

Ljubljana Joze Pucnik

א' 3/8

9:20 am-12:45 pm

1 stop32h 25m

$773

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

ה' 1/15

6:00 am-7:30 pm

3 stops31h 30m

Ljubljana Joze Pucnik

ה' 1/22

6:35 am-9:58 pm

3 stops21h 23m

$825

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 34 results

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

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with Turkish Airlines and Lufthansa from Washington, D.C. to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Turkish Airlines

7.3

Good

4,105 reviews

Reviews

1 / 20

6.0

Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

Turkish Airlines

7.3

Good

4,105 reviews

Turkish Airlines

7.3

Good

4,105 reviews

Reviews

1 / 20

6.0

Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

Lufthansa

6.8

Okay

7,637 reviews

Turkish Airlines

7.3

Good

4,105 reviews

Reviews

1 / 20

6.0

Good

Chandra,Nov 2025

ATL - IST

TV was not available in Indigo from Istanbul to Delhi. Seat was not moving back. It was jammed.

Related info for your journey

How long is the flight from Washington, D.C. to Slovenia?
Departing from Washington, D.C. to Slovenia will take you 17h 55m. The distance between Washington, D.C. and Slovenia is about 4387 mi. This flight may include one or multiple stops.
What are the most popular routes from Washington, D.C. to Slovenia?
While some choose either Washington, D.C. Reagan-National - Ljubljana Joze Pucnik or Baltimore/Washington - 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Washington, D.C. to Slovenia

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

Airline	Cheapest	Average	Flexibility	On-time
Turkish Airlines	Cheapest$661	Average$732	FlexibilityNo cancel fee	On-time77%
Lufthansa	Cheapest$786	Average$1,154	FlexibilityNo cancel fee	On-time76%

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$368+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.

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Cheap flight deals from Washington, D.C. to Slovenia

Cheapest flights from Washington, D.C. to SloveniaExplore 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 דצמבר 19, 2025.

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 דצמבר 19, 2025.

Find 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 דצמבר 19, 2025.

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Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

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Use the filters below to find and compare flights from Washington, D.C. to Slovenia that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Slovenia

Reviews of airlines servicing Slovenia

Get a feel of what it's like to fly with Turkish Airlines and Lufthansa from Washington, D.C. to Slovenia by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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.

How long is the flight from Washington, D.C. to Slovenia?

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

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

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

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

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Alternative routes for Washington, D.C. to Slovenia

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

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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 דצמבר 19, 2025.