What is the cheapest month to book a flight from Slovenia to Washington, D.C. Dulles Intl Airport?

Currently, July is the cheapest month in which you can book a flight from Slovenia to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Slovenia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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 month to fly from Slovenia to Washington, D.C. Dulles Intl Airport?

March is one of the best times of the year to fly to Washington, D.C. Dulles Intl Airport from Slovenia. Prices for March average $760 per person but you can even find prices for as low as $450. The most expensive prices can be found in the month of October. Opting for a March flight can save you 39% on your journey compared to booking in October

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.

$440+ Cheap Flights from Slovenia to Washington, D.C. Dulles Intl Airport

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Cheap flight deals from Slovenia to Dulles Intl

Popular in	October
Cheapest in	March
Average price	$903

Highest demand for flights based on searches. 6% potential increase in price ($57 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).

Search Deals

Average for round-trip flights in August 2025

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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 August 14, 2025.

Thu 8/216:40 amLJU - IAD

1 stop14h 35mMultiple Airlines

Wed 8/275:45 pmIAD - LJU

1 stop10h 20mMultiple Airlines

Deal found 8/14

$694

Fri 8/226:35 pmLJU - IAD

1 stop25h 50mMultiple Airlines

Wed 8/275:45 pmIAD - LJU

1 stop10h 20mMultiple Airlines

Deal found 8/14

$752

Thu 8/216:40 amLJU - IAD

2 stops14h 45mLufthansa

Wed 8/275:35 pmIAD - LJU

2 stops33h 20mLufthansa

Deal found 8/14

$835

Fri 8/228:00 pmLJU - IAD

2 stops25h 15mLufthansa

Wed 8/275:35 pmIAD - LJU

2 stops33h 20mLufthansa

Deal found 8/14

$907

Fri 8/156:35 pmLJU - IAD

1 stop25h 50mMultiple Airlines

Fri 8/228:45 pmIAD - LJU

1 stop31h 20mMultiple Airlines

Deal found 8/14

$992

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Mon 8/186:30 pmIAD - LJU

1 stop11h 05mDelta

Deal found 8/14

$1,058

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Tue 8/1912:13 pmIAD - LJU

2 stops17h 22mDelta

Deal found 8/14

$1,063

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Thu 8/215:25 pmIAD - LJU

1 stop12h 40mDelta

Deal found 8/14

$1,065

Fri 8/159:05 pmLJU - IAD

2 stops32h 52mBritish Airways

Mon 8/184:36 pmIAD - LJU

2 stops17h 34mBritish Airways

Deal found 8/13

$1,083

Last-minute flights from Slovenia to Dulles Intl
Discover last-minute flight deals from Slovenia to Dulles Intl. Data last updated August 14, 2025 and is based on user searches.

Fri 8/156:35 pmLJU - IAD

1 stop25h 50mMultiple Airlines

Fri 8/228:45 pmIAD - LJU

1 stop31h 20mMultiple Airlines

Deal found 8/14

$992

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Wed 8/206:30 pmIAD - LJU

1 stop11h 05mDelta

Deal found 8/14

$1,058

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Mon 8/1812:39 pmIAD - LJU

2 stops16h 56mDelta

Deal found 8/13

$1,059

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Tue 8/1912:13 pmIAD - LJU

2 stops17h 22mDelta

Deal found 8/14

$1,063

Fri 8/156:30 amLJU - IAD

1 stop18h 45mDelta

Thu 8/215:25 pmIAD - LJU

1 stop12h 40mDelta

Deal found 8/14

$1,065

Fri 8/159:05 pmLJU - IAD

2 stops32h 52mBritish Airways

Mon 8/184:36 pmIAD - LJU

2 stops17h 34mBritish Airways

Deal found 8/13

$1,083

Tue 8/1912:20 pmLJU - IAD

1 stop12h 55mDelta

Fri 8/226:30 pmIAD - LJU

1 stop11h 05mDelta

Deal found 8/14

$1,163

Tue 8/193:05 pmLJU - IAD

2 stops30h 45mMultiple Airlines

Sun 8/241:30 pmIAD - LJU

1 stop17h 40mMultiple Airlines

Deal found 8/13

$1,482

Thu 8/216:40 amLJU - IAD

1 stop14h 35mMultiple Airlines

Wed 8/275:45 pmIAD - LJU

1 stop10h 20mMultiple Airlines

Deal found 8/14

$694

Thu 8/216:40 amLJU - IAD

2 stops14h 45mLufthansa

Wed 8/275:35 pmIAD - LJU

2 stops33h 20mLufthansa

Deal found 8/14

$835

Thu 8/2111:05 amLJU - IAD

2 stops17h 05mMultiple Airlines

Sun 8/241:30 pmIAD - LJU

1 stop17h 40mMultiple Airlines

Deal found 8/13

$1,313

Thu 8/2111:05 amLJU - IAD

2 stops17h 05mMultiple Airlines

Sat 8/234:35 pmIAD - LJU

1 stop15h 10mMultiple Airlines

Deal found 8/13

$1,461

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 August 14, 2025.

Sun 9/218:45 pmLJU - IAD

3 stops48h 35mMultiple Airlines

Deal found 8/14

$440

Tue 11/48:45 pmLJU - IAD

3 stops30h 15mMultiple Airlines

Deal found 8/13

$457

Thu 9/2510:15 amLJU - IAD

3 stops35h 05mMultiple Airlines

Deal found 8/14

$459

Mon 9/228:45 pmLJU - IAD

3 stops48h 35mMultiple Airlines

Deal found 8/14

$497

Wed 9/241:20 pmLJU - IAD

3 stops32h 00mMultiple Airlines

Deal found 8/14

$514

Tue 9/237:20 pmLJU - IAD

2 stops26h 00mMultiple Airlines

Deal found 8/14

$549

Fri 9/262:55 pmLJU - IAD

3 stops30h 25mMultiple Airlines

Deal found 8/14

$572

Wed 9/248:10 pmLJU - IAD

1 stop21h 35mTurkish Airlines

Deal found 8/14

$606

Tue 9/238:10 pmLJU - IAD

1 stop29h 35mTurkish Airlines

Deal found 8/14

$618

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

Sun 9/21

8:45 pm-3:20 pm

3 stops48h 35m

$440

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Tue 9/23

8:45 pm-3:20 pm

3 stops48h 35m

$440

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Tue 11/4

8:45 pm-9:00 pm

3 stops30h 15m

$457

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Thu 9/25

10:15 am-3:20 pm

3 stops35h 05m

$459

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Mon 9/22

8:45 pm-3:20 pm

3 stops48h 35m

$497

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Wed 9/24

1:20 pm-3:20 pm

3 stops32h 00m

$514

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Fri 9/26

2:55 pm-3:20 pm

3 stops30h 25m

$572

LjubljanaWashington, D.C.

LJU - IAD

LJUIAD

Ljubljana Joze Pucnik

Tue 11/4

9:20 am-7:15 pm

1 stop15h 55m

$606

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/14

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

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.
What is the cheapest month to book a flight from Slovenia to Washington, D.C. Dulles Intl Airport?
Currently, July is the cheapest month in which you can book a flight from Slovenia to Washington, D.C. Dulles Intl Airport (average of $302). Flying from Slovenia to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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.

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$440+ 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 9/21. 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

Keep the following information in mind while searching for Slovenia to Dulles Intl flight deals. Data was last updated August 14, 2025.

Popular in

Cheapest in

Average price

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 August 14, 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 August 14, 2025.

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.

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?

What is the cheapest month to book a flight from Slovenia to Washington, D.C. Dulles Intl Airport?

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 August 14, 2025.