What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Slovenia?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Slovenia (average of $710). Flying from Washington, D.C. Reagan-National Airport to Slovenia in June is currently the most expensive (average of $1,443). 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 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 is the cheapest month to fly from Washington, D.C. Reagan-National Airport to Slovenia?

Flights from Washington, D.C. Reagan-National Airport to Slovenia lean towards being more expensive in June. Prices are generally better when you fly from Washington, D.C. Reagan-National Airport to Slovenia in January, with the cheapest ticket starting at $585.

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

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

Can I find deals for flights from Reagan-National to Slovenia that include hotel bookings?

Yes. In addition to deals on Reagan-National to Slovenia flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Reagan-National to Slovenia?

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

Can I find deals for business class flights from Reagan-National to Slovenia?

Yes. Cheapflights offers flight deals from Reagan-National 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.

$631+ Flights from Washington, D.C. Reagan-National Airport to Slovenia

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Cheap flight deals from Reagan-National to Slovenia

Round-trip from	$767 (British Airways)
One-way from	$631 (British Airways)
Popular in	June
Cheapest in	January
Average price	$1,229

From Washington, D.C. Reagan-National to Slovenia

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One-way flight from Washington, D.C. Reagan-National to Slovenia

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Highest demand for flights based on searches. 14% potential increase in price ($175 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Find flight deals from Reagan-National to Slovenia

Cheapest flights from Reagan-National to Slovenia
Explore the most affordable flight options available from Reagan-National to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

mié. 9/107:00 pmDCA - LJU

2 stops16h 50mBritish Airways

mié. 9/176:00 pmLJU - DCA

2 stops30h 27mBritish Airways

Deal found 7/27

$767

mar. 9/239:40 amDCA - LJU

3 stops26h 05mMultiple Airlines

lun. 9/297:20 pmLJU - DCA

3 stops26h 31mMultiple Airlines

Deal found 7/28

$791

mar. 8/263:40 pmDCA - LJU

2 stops13h 55mAir France

mar. 9/212:20 pmLJU - DCA

2 stops16h 39mAir France

Deal found 7/27

$861

mar. 8/121:25 pmDCA - LJU

2 stops16h 10mDelta

vie. 8/226:30 amLJU - DCA

2 stops20h 29mDelta

Deal found 7/29

$959

vie. 8/296:30 amDCA - LJU

2 stops24h 05mLOT

lun. 9/151:20 pmLJU - DCA

2 stops39h 36mLOT

Deal found 7/29

$1,134

vie. 11/213:30 pmDCA - LJU

2 stops14h 50mKLM

sáb. 11/2912:25 pmLJU - DCA

2 stops16h 39mKLM

Deal found 7/29

$1,201

Best flights from Reagan-National to Slovenia
Discover carefully curated flight deals from Reagan-National to Slovenia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 29, 2025.

mié. 9/107:00 pmDCA - LJU

2 stops16h 50mBritish Airways

mié. 9/176:00 pmLJU - DCA

2 stops30h 27mBritish Airways

Deal found 7/27

$767

mar. 9/239:40 amDCA - LJU

3 stops26h 05mMultiple Airlines

lun. 9/297:20 pmLJU - DCA

3 stops26h 31mMultiple Airlines

Deal found 7/28

$791

mar. 8/263:40 pmDCA - LJU

2 stops13h 55mAir France

mar. 9/212:20 pmLJU - DCA

2 stops16h 39mAir France

Deal found 7/27

$861

mar. 8/121:25 pmDCA - LJU

2 stops16h 10mDelta

mié. 8/207:40 amLJU - DCA

2 stops15h 25mDelta

Deal found 7/29

$959

vie. 8/296:30 amDCA - LJU

2 stops24h 05mLOT

lun. 9/151:20 pmLJU - DCA

2 stops39h 36mLOT

Deal found 7/29

$1,134

vie. 11/213:30 pmDCA - LJU

2 stops14h 50mKLM

sáb. 11/2912:25 pmLJU - DCA

2 stops16h 39mKLM

Deal found 7/29

$1,201

Last-minute flights from Reagan-National to Slovenia
Discover last-minute flight deals from Reagan-National to Slovenia. Data last updated julio 29, 2025 and is based on user searches.

mar. 8/57:06 pmDCA - LJU

2 stops16h 09mBritish Airways

sáb. 8/168:15 pmLJU - DCA

2 stops30h 01mBritish Airways

Deal found 7/29

$1,484

jue. 8/76:30 amDCA - LJU

2 stops48h 05mLOT

dom. 8/241:20 pmLJU - DCA

2 stops39h 39mLOT

Deal found 7/29

$1,987

dom. 8/102:55 pmDCA - LJU

2 stops15h 10mKLM

vie. 8/2212:35 pmLJU - DCA

2 stops15h 37mKLM

Deal found 7/29

$1,575

mar. 8/121:25 pmDCA - LJU

2 stops16h 10mDelta

mié. 8/207:40 amLJU - DCA

2 stops15h 25mDelta

Deal found 7/29

$959

lun. 8/259:40 amDCA - LJU

3 stops30h 30mMultiple Airlines

mar. 9/98:00 pmLJU - DCA

3 stops31h 51mMultiple Airlines

Deal found 7/29

$901

mar. 8/263:40 pmDCA - LJU

2 stops13h 55mAir France

mar. 9/212:20 pmLJU - DCA

2 stops16h 39mAir France

Deal found 7/27

$861

vie. 8/296:30 amDCA - LJU

2 stops24h 05mLOT

lun. 9/151:20 pmLJU - DCA

2 stops39h 36mLOT

Deal found 7/29

$1,134

dom. 8/316:30 amDCA - LJU

2 stops25h 45mBritish Airways

mié. 9/106:00 pmLJU - DCA

2 stops30h 27mBritish Airways

Deal found 7/28

$798

One-way flights from Reagan-National to Slovenia
Search for one-way flight options from Reagan-National to Slovenia. Find affordable one-way fares based on user searches. Data last updated julio 29, 2025.

sáb. 10/117:06 pmDCA - LJU

2 stops37h 09mBritish Airways

Deal found 7/28

$631

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

mié. 9/10

7:00 pm-5:50 pm

2 stops16h 50m

Ljubljana Joze Pucnik

mié. 9/17

6:00 pm-6:27 pm

2 stops30h 27m

$767

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

mar. 9/23

9:40 am-5:45 pm

3 stops26h 05m

Ljubljana Joze Pucnik

lun. 9/29

7:20 pm-3:51 pm

3 stops26h 31m

$791

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

mar. 8/26

3:40 pm-11:35 am

2 stops13h 55m

Ljubljana Joze Pucnik

mar. 9/2

12:20 pm-10:59 pm

2 stops16h 39m

$861

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

mar. 8/12

1:25 pm-11:35 am

2 stops16h 10m

Ljubljana Joze Pucnik

mié. 8/20

7:40 am-5:05 pm

2 stops15h 25m

$959

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

vie. 8/29

6:30 am-12:35 pm

2 stops24h 05m

Ljubljana Joze Pucnik

lun. 9/15

1:20 pm-10:56 pm

2 stops39h 36m

$1,134

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

vie. 11/21

3:30 pm-12:20 pm

2 stops14h 50m

Ljubljana Joze Pucnik

sáb. 11/29

12:25 pm-11:04 pm

2 stops16h 39m

$1,201

Washington, D.C.Ljubljana

DCA - LJU

DCALJU

Washington, D.C. Reagan-National

sáb. 10/11

7:06 pm-2:15 pm

2 stops37h 09m

$631

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Best time to book a flight from Reagan-National to Slovenia

Have a flexible travel schedule? Discover the best time to fly to Slovenia from Reagan-National 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. Reagan-National Airport to Slovenia

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

Reviews of airlines servicing Slovenia

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Slovenia, such as Delta, KLM, and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,977 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,383 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

LOT

7.6

Good

1,105 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,465 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

British Airways

6.6

Okay

7,208 reviews

Delta

8.0

Very good

7,977 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Can I find deals for flights from Reagan-National to Slovenia that include hotel bookings?
Yes. In addition to deals on Reagan-National to Slovenia flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Reagan-National to Slovenia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Slovenia.
Can I find deals for business class flights from Reagan-National to Slovenia?
Yes. Cheapflights offers flight deals from Reagan-National 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.
What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Slovenia?
Currently, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Slovenia (average of $710). Flying from Washington, D.C. Reagan-National Airport to Slovenia in June is currently the most expensive (average of $1,443). 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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$631+ Cheap flights from Reagan-National (DCA) 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Slovenia with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Reagan-National to Slovenia

Keep the following information in mind while searching for Reagan-National to Slovenia flight deals. Data was last updated julio 29, 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Reagan-National to Slovenia

Cheapest flights from Reagan-National to SloveniaExplore the most affordable flight options available from Reagan-National to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

Explore the most affordable flight options available from Reagan-National to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Reagan-National to Slovenia

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

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to Slovenia

Reviews of airlines servicing Slovenia

Read through reviews of airlines operating flights from Washington, D.C. Reagan-National Airport to Slovenia, such as Delta, KLM, and LOT. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Slovenia. 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 Reagan-National to Slovenia that include hotel bookings?

How can I find direct flights from Reagan-National to Slovenia?

Can I find deals for business class flights from Reagan-National to Slovenia?

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to Slovenia?

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 Reagan-National to Slovenia

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Reagan-National to Slovenia
Explore the most affordable flight options available from Reagan-National to Slovenia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.