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 13h 40m. 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.

$472+ Flights from Slovenia to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Slovenia to Dulles Intl

Round-trip from	$711 (KLM)
One-way from	$472 (Kiwi.com)
Popular in	December
Cheapest in	March

From Slovenia to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Slovenia to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($116 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($28 potential savings vs. average RT price).

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Find 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 enero 15, 2026.

vie. 1/2312:50 pm

LJU

IAD

1 stop33h 15m

Air France

mar. 1/276:50 pm

IAD

LJU

1 stop10h 50m

Air France

Deal found 1/15

$705

vie. 1/2312:50 pm

LJU

IAD

2 stops17h 34m

Delta

mar. 1/2712:23 pm

IAD

LJU

2 stops17h 17m

Delta

Deal found 1/15

$711

sáb. 2/141:40 pm

LJU

IAD

1 stop32h 25m

KLM

vie. 2/276:05 pm

IAD

LJU

1 stop12h 15m

KLM

Deal found 1/14

$712

mié. 2/1812:50 pm

LJU

IAD

2 stops17h 31m

Delta

sáb. 2/286:05 pm

IAD

LJU

1 stop12h 10m

Delta

Deal found 1/13

$719

sáb. 2/286:55 am

LJU

IAD

1 stop13h 40m

Lufthansa

sáb. 3/75:15 pm

IAD

LJU

1 stop10h 40m

Lufthansa

Deal found 1/14

$724

vie. 6/126:35 am

LJU

IAD

1 stop15h 30m

Lufthansa

vie. 7/2410:20 pm

IAD

LJU

1 stop15h 05m

Lufthansa

Deal found 1/13

$744

vie. 6/126:35 am

LJU

IAD

1 stop15h 30m

Lufthansa

jue. 7/2310:20 pm

IAD

LJU

1 stop15h 05m

Lufthansa

Deal found 1/13

$745

vie. 6/126:25 am

LJU

IAD

1 stop16h 20m

SWISS

sáb. 7/255:40 pm

IAD

LJU

2 stops14h 20m

SWISS

Deal found 1/13

$777

sáb. 6/1310:15 am

LJU

IAD

1 stop11h 50m

Lufthansa

vie. 7/245:40 pm

IAD

LJU

2 stops13h 25m

Lufthansa

Deal found 1/13

$780

mié. 2/186:30 am

LJU

IAD

2 stops20h 24m

Multiple Airlines

sáb. 2/285:27 pm

IAD

LJU

2 stops34h 13m

Multiple Airlines

Deal found 1/13

$795

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 enero 15, 2026.

mié. 2/1812:50 pm

LJU

IAD

1 stop33h 15m

KLM

sáb. 2/286:05 pm

IAD

LJU

1 stop12h 10m

KLM

Deal found 1/13

$711

mié. 2/1812:50 pm

LJU

IAD

2 stops17h 31m

Delta

sáb. 2/286:05 pm

IAD

LJU

1 stop12h 10m

Delta

Deal found 1/13

$719

sáb. 2/286:55 am

LJU

IAD

1 stop13h 40m

Lufthansa

sáb. 3/75:15 pm

IAD

LJU

1 stop10h 40m

Lufthansa

Deal found 1/14

$724

sáb. 6/136:25 am

LJU

IAD

1 stop16h 20m

SWISS

sáb. 7/255:40 pm

IAD

LJU

2 stops14h 20m

SWISS

Deal found 1/13

$777

sáb. 2/141:40 pm

LJU

IAD

1 stop32h 25m

KLM

vie. 2/276:05 pm

IAD

LJU

1 stop12h 15m

KLM

Deal found 1/14

$712

dom. 6/146:05 am

LJU

IAD

1 stop13h 30m

Lufthansa

vie. 7/2410:20 pm

IAD

LJU

1 stop15h 05m

Lufthansa

Deal found 1/13

$744

vie. 6/126:25 am

LJU

IAD

1 stop16h 20m

SWISS

sáb. 7/255:40 pm

IAD

LJU

2 stops14h 20m

SWISS

Deal found 1/13

$777

dom. 6/146:05 am

LJU

IAD

1 stop13h 30m

Lufthansa

sáb. 7/2510:20 pm

IAD

LJU

1 stop15h 05m

Lufthansa

Deal found 1/13

$745

vie. 6/126:35 am

LJU

IAD

1 stop15h 30m

Lufthansa

jue. 7/2310:20 pm

IAD

LJU

1 stop15h 05m

Lufthansa

Deal found 1/13

$745

dom. 6/146:05 am

LJU

IAD

1 stop13h 30m

Lufthansa

jue. 7/2310:20 pm

IAD

LJU

1 stop15h 05m

Lufthansa

Deal found 1/13

$745

Last-minute flights from Slovenia to Dulles Intl
Discover last-minute flight deals from Slovenia to Dulles Intl. Data last updated enero 15, 2026 and is based on user searches.

vie. 1/2312:50 pm

LJU

IAD

1 stop33h 15m

Air France

mar. 1/276:50 pm

IAD

LJU

1 stop10h 50m

Air France

Deal found 1/15

$705

vie. 1/2312:50 pm

LJU

IAD

2 stops17h 34m

Delta

mar. 1/2712:23 pm

IAD

LJU

2 stops17h 17m

Delta

Deal found 1/15

$711

vie. 1/238:45 pm

LJU

IAD

3 stops27h 45m

Multiple Airlines

mar. 1/277:40 pm

IAD

LJU

3 stops31h 15m

Multiple Airlines

Deal found 1/15

$847

sáb. 2/141:40 pm

LJU

IAD

1 stop32h 25m

KLM

vie. 2/276:05 pm

IAD

LJU

1 stop12h 15m

KLM

Deal found 1/14

$712

sáb. 2/149:45 am

LJU

IAD

2 stops16h 30m

Lufthansa

vie. 2/275:15 pm

IAD

LJU

2 stops33h 50m

Lufthansa

Deal found 1/14

$821

mié. 2/1812:50 pm

LJU

IAD

2 stops17h 31m

Delta

sáb. 2/286:05 pm

IAD

LJU

1 stop12h 10m

Delta

Deal found 1/13

$719

mié. 2/186:30 am

LJU

IAD

2 stops20h 24m

Multiple Airlines

sáb. 2/285:27 pm

IAD

LJU

2 stops34h 13m

Multiple Airlines

Deal found 1/13

$795

sáb. 2/286:55 am

LJU

IAD

1 stop13h 40m

Lufthansa

sáb. 3/75:15 pm

IAD

LJU

1 stop10h 40m

Lufthansa

Deal found 1/14

$724

sáb. 2/286:55 am

LJU

IAD

2 stops15h 45m

Multiple Airlines

sáb. 3/76:00 pm

IAD

LJU

3 stops19h 55m

Multiple Airlines

Deal found 1/14

$986

One-way flights from Slovenia to Dulles Intl
Search for one-way flight options from Slovenia to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated enero 15, 2026.

lun. 3/308:20 pm

LJU

IAD

3 stops52h 40m

Multiple Airlines

Deal found 1/14

$472

jue. 4/307:40 pm

LJU

IAD

3 stops29h 20m

Multiple Airlines

Deal found 1/14

$491

dom. 5/178:20 pm

LJU

IAD

2 stops30h 15m

Multiple Airlines

Deal found 1/13

$513

sáb. 5/169:30 pm

LJU

IAD

3 stops29h 05m

Multiple Airlines

Deal found 1/13

$514

sáb. 5/169:30 am

LJU

IAD

2 stops36h 20m

Finnair

Deal found 1/13

$515

jue. 4/306:25 pm

LJU

IAD

1 stop27h 25m

British Airways

Deal found 1/14

$540

sáb. 5/1612:20 pm

LJU

IAD

1 stop14h 00m

British Airways

Deal found 1/13

$542

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

mié. 2/18

12:50 pm-4:05 pm

1 stop33h 15m

Washington, D.C. Dulles Intl

sáb. 2/28

6:05 pm-12:15 pm

1 stop12h 10m

$711

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

sáb. 2/14

1:40 pm-4:05 pm

1 stop32h 25m

Washington, D.C. Dulles Intl

vie. 2/27

6:05 pm-12:20 pm

1 stop12h 15m

$712

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

mié. 2/18

12:50 pm-12:21 am

2 stops17h 31m

Washington, D.C. Dulles Intl

sáb. 2/28

6:05 pm-12:15 pm

1 stop12h 10m

$719

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

sáb. 2/28

6:55 am-2:35 pm

1 stop13h 40m

Washington, D.C. Dulles Intl

sáb. 3/7

5:15 pm-9:55 am

1 stop10h 40m

$724

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

dom. 6/14

6:05 am-1:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

vie. 7/24

10:20 pm-7:25 pm

1 stop15h 05m

$744

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

dom. 6/14

6:05 am-1:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

sáb. 7/25

10:20 pm-7:25 pm

1 stop15h 05m

$745

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

vie. 6/12

6:35 am-4:05 pm

1 stop15h 30m

Washington, D.C. Dulles Intl

jue. 7/23

10:20 pm-7:25 pm

1 stop15h 05m

$745

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

dom. 6/14

6:05 am-1:35 pm

1 stop13h 30m

Washington, D.C. Dulles Intl

jue. 7/23

10:20 pm-7:25 pm

1 stop15h 05m

$745

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

sáb. 6/13

6:25 am-4:45 pm

1 stop16h 20m

Washington, D.C. Dulles Intl

sáb. 7/25

5:40 pm-2:00 pm

2 stops14h 20m

$777

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

vie. 6/12

6:25 am-4:45 pm

1 stop16h 20m

Washington, D.C. Dulles Intl

sáb. 7/25

5:40 pm-2:00 pm

2 stops14h 20m

$777

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 18 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 13h 40m. 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.

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$472+ Cheap flights from Slovenia to Dulles Intl (IAD)

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 3/30. 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

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2. Select your favorite providers

3. Compare prices and book

Cheap 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 enero 15, 2026.

Round-trip from

One-way from

Popular in

Cheapest in

Find 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 enero 15, 2026.

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 enero 15, 2026.

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?

Traveling to a place near Washington, D.C. Dulles Intl Airport?

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Alternative routes for 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 enero 15, 2026.