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

Departing from Slovenia to Washington, D.C. Dulles Intl Airport will take you 14h 05m. Airlines will cover a distance of 4429 mi. Both multi-stop and nonstop flights can be found to your destination and back.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Slovenia to Washington, D.C. Dulles Intl Airport as you normally would.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Slovenia to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$703+ Flights from Slovenia to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Slovenia to Dulles Intl

Cheapest flights from Slovenia to Dulles Intl
Explore the most affordable flight options available from Slovenia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

Thu 12/258:10 pmLJU - IAD

1 stop25h 25mMultiple Airlines

Sun 1/46:10 pmIAD - LJU

2 stops37h 55mMultiple Airlines

Deal found 12/3

$859

Wed 12/242:55 pmLJU - IAD

1 stop31h 45mSWISS

Sun 1/46:10 pmIAD - LJU

2 stops37h 55mSWISS

Deal found 12/3

$874

Wed 12/246:35 amLJU - IAD

1 stop15h 15mLufthansa

Sun 1/45:15 pmIAD - LJU

1 stop10h 25mLufthansa

Deal found 12/3

$924

Sat 12/69:45 amLJU - IAD

1 stop11h 50mMultiple Airlines

Sun 12/145:25 pmIAD - LJU

1 stop14h 55mMultiple Airlines

Deal found 12/3

$935

Wed 12/242:55 pmLJU - IAD

1 stop31h 45mSWISS

Sat 1/38:30 pmIAD - LJU

1 stop11h 10mSWISS

Deal found 12/3

$937

Sat 12/66:30 amLJU - IAD

1 stop16h 10mSWISS

Sun 12/146:30 pmIAD - LJU

2 stops13h 50mSWISS

Deal found 12/3

$943

Tue 12/2312:50 pmLJU - IAD

2 stops39h 23mDelta

Tue 1/66:50 pmIAD - LJU

1 stop10h 50mDelta

Deal found 12/3

$948

Mon 12/2212:25 pmLJU - IAD

1 stop13h 05mDelta

Tue 1/66:50 pmIAD - LJU

1 stop10h 50mDelta

Deal found 12/3

$949

Fri 12/268:10 pmLJU - IAD

1 stop25h 25mMultiple Airlines

Sat 1/38:30 pmIAD - LJU

1 stop11h 10mMultiple Airlines

Deal found 12/3

$950

Sat 12/2712:50 pmLJU - IAD

1 stop33h 15mDelta

Tue 1/66:50 pmIAD - LJU

1 stop10h 50mDelta

Deal found 12/3

$979

Best flights from Slovenia to Dulles Intl
Discover carefully curated flight deals from Slovenia to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 5, 2025.

Thu 3/126:35 amLJU - IAD

1 stop14h 00mMultiple Airlines

Fri 4/108:45 pmIAD - LJU

1 stop15h 50mMultiple Airlines

Deal found 12/4

$738

Fri 3/136:55 amLJU - IAD

1 stop14h 55mLufthansa

Thu 4/910:20 pmIAD - LJU

1 stop14h 55mLufthansa

Deal found 12/4

$742

Thu 3/126:30 amLJU - IAD

2 stops14h 05mSWISS

Fri 4/108:45 pmIAD - LJU

1 stop31h 20mSWISS

Deal found 12/4

$775

Fri 3/1312:50 pmLJU - IAD

1 stop33h 15mDelta

Sun 4/129:20 pmIAD - LJU

1 stop32h 15mDelta

Deal found 12/4

$848

Fri 3/136:55 amLJU - IAD

1 stop14h 55mMultiple Airlines

Fri 4/108:45 pmIAD - LJU

1 stop15h 50mMultiple Airlines

Deal found 12/4

$739

Wed 3/116:35 amLJU - IAD

2 stops15h 00mLufthansa

Thu 4/96:00 pmIAD - LJU

1 stop13h 25mLufthansa

Deal found 12/4

$787

Fri 3/136:30 amLJU - IAD

2 stops14h 05mSWISS

Wed 4/810:25 pmIAD - LJU

2 stops14h 25mSWISS

Deal found 12/4

$800

Wed 3/116:35 amLJU - IAD

1 stop15h 15mMultiple Airlines

Fri 4/108:45 pmIAD - LJU

1 stop15h 50mMultiple Airlines

Deal found 12/4

$739

Sun 3/1512:45 pmLJU - IAD

1 stop33h 20mDelta

Sun 4/129:20 pmIAD - LJU

1 stop32h 15mDelta

Deal found 12/4

$848

Thu 3/126:30 amLJU - IAD

2 stops14h 05mSWISS

Wed 4/810:25 pmIAD - LJU

2 stops14h 25mSWISS

Deal found 12/4

$800

Mon 3/912:50 pmLJU - IAD

2 stops28h 49mDelta

Sun 4/129:20 pmIAD - LJU

1 stop32h 15mDelta

Deal found 12/4

$853

Wed 3/112:55 pmLJU - IAD

2 stops29h 00mSWISS

Wed 4/810:25 pmIAD - LJU

2 stops14h 25mSWISS

Deal found 12/4

$814

Last-minute flights from Slovenia to Dulles Intl
Discover last-minute flight deals from Slovenia to Dulles Intl. Data last updated December 5, 2025 and is based on user searches.

Sat 12/69:45 amLJU - IAD

1 stop11h 50mMultiple Airlines

Sun 12/145:25 pmIAD - LJU

1 stop14h 55mMultiple Airlines

Deal found 12/3

$935

Sat 12/66:30 amLJU - IAD

1 stop16h 10mSWISS

Sun 12/146:30 pmIAD - LJU

2 stops13h 50mSWISS

Deal found 12/3

$943

Mon 12/2212:25 pmLJU - IAD

1 stop13h 05mDelta

Tue 1/66:50 pmIAD - LJU

1 stop10h 50mDelta

Deal found 12/3

$949

Tue 12/2312:50 pmLJU - IAD

2 stops39h 23mDelta

Tue 1/66:50 pmIAD - LJU

1 stop10h 50mDelta

Deal found 12/3

$948

Wed 12/242:55 pmLJU - IAD

1 stop31h 45mSWISS

Sun 1/46:10 pmIAD - LJU

2 stops37h 55mSWISS

Deal found 12/3

$874

Wed 12/246:35 amLJU - IAD

1 stop15h 15mLufthansa

Sun 1/45:15 pmIAD - LJU

1 stop10h 25mLufthansa

Deal found 12/3

$924

Wed 12/242:55 pmLJU - IAD

1 stop31h 45mSWISS

Sat 1/38:30 pmIAD - LJU

1 stop11h 10mSWISS

Deal found 12/3

$937

Thu 12/258:10 pmLJU - IAD

1 stop25h 25mMultiple Airlines

Sun 1/46:10 pmIAD - LJU

2 stops37h 55mMultiple Airlines

Deal found 12/3

$859

Fri 12/268:10 pmLJU - IAD

1 stop25h 25mMultiple Airlines

Sat 1/38:30 pmIAD - LJU

1 stop11h 10mMultiple Airlines

Deal found 12/3

$950

Sat 1/247:35 pmLJU - IAD

1 stop29h 45mTurkish Airlines

Thu 1/299:15 pmIAD - LJU

1 stop15h 25mTurkish Airlines

Deal found 12/4

$703

Find flight deals from Slovenia to Dulles Intl

Round-trip from	$703 (Justfly.com)
Popular in	May
Cheapest in	March
Average price	$715

From Slovenia to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($18 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 Slovenia to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Thu 3/12

6:35 am-3:35 pm

1 stop14h 00m

Washington, D.C. Dulles Intl

Fri 4/10

8:45 pm-6:35 pm

1 stop15h 50m

$738

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Fri 3/13

6:55 am-4:50 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Fri 4/10

8:45 pm-6:35 pm

1 stop15h 50m

$739

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Wed 3/11

6:35 am-4:50 pm

1 stop15h 15m

Washington, D.C. Dulles Intl

Fri 4/10

8:45 pm-6:35 pm

1 stop15h 50m

$739

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Fri 3/13

6:55 am-4:50 pm

1 stop14h 55m

Washington, D.C. Dulles Intl

Thu 4/9

10:20 pm-7:15 pm

1 stop14h 55m

$742

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Thu 3/12

6:30 am-3:35 pm

2 stops14h 05m

Washington, D.C. Dulles Intl

Fri 4/10

8:45 pm-10:05 am

1 stop31h 20m

$775

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Wed 3/11

6:35 am-4:35 pm

2 stops15h 00m

Washington, D.C. Dulles Intl

Thu 4/9

6:00 pm-1:25 pm

1 stop13h 25m

$787

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Fri 3/13

6:30 am-3:35 pm

2 stops14h 05m

Washington, D.C. Dulles Intl

Wed 4/8

10:25 pm-6:50 pm

2 stops14h 25m

$800

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Thu 3/12

6:30 am-3:35 pm

2 stops14h 05m

Washington, D.C. Dulles Intl

Wed 4/8

10:25 pm-6:50 pm

2 stops14h 25m

$800

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Wed 3/11

2:55 pm-2:55 pm

2 stops29h 00m

Washington, D.C. Dulles Intl

Wed 4/8

10:25 pm-6:50 pm

2 stops14h 25m

$814

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Fri 3/13

12:50 pm-5:05 pm

1 stop33h 15m

Washington, D.C. Dulles Intl

Sun 4/12

9:20 pm-11:35 am

1 stop32h 15m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/4

Showing 1-10 of 12 results

Best time to book a flight from Slovenia to Dulles Intl

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

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

Related info for your journey

How long is the flight from Slovenia to Washington, D.C. Dulles Intl Airport?
Departing from Slovenia to Washington, D.C. Dulles Intl Airport will take you 14h 05m. Airlines will cover a distance of 4429 mi. Both multi-stop and nonstop flights can be found to your destination and back.
Can I find deals for flights from Slovenia to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Slovenia to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Slovenia to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Slovenia to Dulles Intl.
Can I find deals for business class flights from Slovenia to Dulles Intl?
Yes. Cheapflights offers flight deals from Slovenia to Dulles Intl 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

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$703+ Cheap flights from Slovenia to Dulles Intl (IAD)

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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Slovenia to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Slovenia to Dulles Intl

Cheapest flights from Slovenia to Dulles IntlExplore the most affordable flight options available from Slovenia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

Explore the most affordable flight options available from Slovenia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.

Find flight deals from Slovenia to Dulles Intl

Keep the following information in mind while searching for Slovenia to Dulles Intl flight deals. Data was last updated December 5, 2025.

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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

Best time to book a flight from Slovenia to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Slovenia with our price prediction graph.

Cheapflights Insights

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

Related info for your journey

Find useful and relevant information for your journey from Slovenia to Dulles Intl. 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 Slovenia to Washington, D.C. Dulles Intl Airport?

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

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

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

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Cheapest flights from Slovenia to Dulles Intl
Explore the most affordable flight options available from Slovenia to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 5, 2025.