What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Slovenia?

United Airlines is the most popular carrier operating from Washington, D.C. Dulles Intl to Slovenia

What airlines fly to Slovenia?

Turkish Airlines, Lufthansa and SWISS are the top three most popular airlines that fly to Slovenia from Washington, D.C. Dulles Intl Airport according to our data. Turkish Airlines is the first choice among our users, with 51% of people opting to fly with this airline when traveling to Slovenia. Keep in mind that there are 3 different airlines that fly to Slovenia on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Slovenia?

There are 3 operators available for flights from Washington, D.C. Dulles Intl Airport to Slovenia as of September 2026.

How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Slovenia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Slovenia.

What documentation or ID do you need to fly to Slovenia?

The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$370 Cheap Flights from Washington, D.C. Dulles Intl Airport to Slovenia in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Slovenia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:15 pm - 7:30 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

24h 15m1 stop Istanbul

9:10 am - 8:25 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

17h 15m1 stop Istanbul

$839Turkish Airlines

Wed, Oct 21 - Thu, Nov 5

2:30 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

22h 15m1 stop Istanbul

7:40 pm - 11:45 amLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

22h 05m1 stop Istanbul

$839Turkish Airlines

Tue, Nov 3 - Thu, Nov 12

2:30 pm - 6:45 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

23h 15m1 stop Istanbul

7:40 pm - 12:45 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

23h 05m1 stop Istanbul

$839Turkish Airlines

Tue, Oct 27 - Tue, Nov 3

8:20 pm - 2:05 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

35h 45m3 stops Kastrup Copenhagen Oslo Gardermoen Warsaw Frederic Chopin

1:45 pm - 7:50 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

35h 05m3 stops Warsaw Frederic Chopin Oslo Gardermoen Kastrup Copenhagen

$875Multiple Airlines

Fri, Oct 23 - Fri, Oct 30

8:10 pm - 10:45 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

20h 35m1 stop Zurich

6:40 am - 3:55 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

15h 15m1 stop Frankfurt am Main

$882Multiple Airlines

Fri, Dec 4 - Fri, Jan 29

8:10 pm - 10:45 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

20h 35m1 stop Zurich

6:40 am - 8:23 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

19h 43m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

$884Multiple Airlines

Fri, Dec 4 - Fri, Jan 29

10:55 pm - 9:20 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

16h 25m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:40 am - 3:55 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

15h 15m1 stop Frankfurt am Main

$905Lufthansa

Mon, Nov 2 - Fri, Nov 13

10:20 pm - 9:55 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

17h 35m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:35 am - 1:35 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

13h 00m1 stop Frankfurt am Main

$995Lufthansa

Sun, Oct 4 - Fri, Oct 16

8:20 pm - 10:40 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

20h 20m1 stop Zurich

6:25 am - 4:45 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

16h 20m1 stop Zurich

$998SWISS

Fri, Oct 2 - Fri, Oct 9

8:20 pm - 1:50 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

11h 30m1 stop Zurich

6:25 am - 4:45 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

16h 20m1 stop Zurich

$1,072SWISS

Fri, Oct 9 - Sat, Oct 17

Cheap last minute flights

Enter your travel dates to find the best prices.

10:15 pm - 1:15 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

33h 00m2 stops Boston Logan Intl Frankfurt am Main

9:55 am - 3:10 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

11h 15m1 stop Frankfurt am Main

$1,056United Airlines

Sat, Sep 5 - Tue, Sep 15

5:55 pm - 1:25 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

13h 30m1 stop Frankfurt am Main

6:55 am - 4:05 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

15h 10m1 stop Frankfurt am Main

$1,071Lufthansa

Sat, Sep 5 - Tue, Sep 15

1:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

13h 35m1 stop Istanbul

2:00 pm - 11:30 amLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

27h 30m1 stop Istanbul

$1,090Turkish Airlines

Thu, Sep 10 - Fri, Sep 18

1:15 pm - 1:05 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

17h 50m1 stop Istanbul

8:25 pm - 7:45 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

29h 20m1 stop Istanbul

$1,091Turkish Airlines

Thu, Sep 10 - Sun, Sep 20

5:35 pm - 1:25 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

13h 50m2 stops Brussels Bruxelles-National Frankfurt am Main

9:35 am - 7:55 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

16h 20m2 stops Munich Franz Josef Strauss Frankfurt am Main

$1,135United Airlines

Sat, Sep 5 - Tue, Sep 15

1:15 pm - 1:05 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

17h 50m1 stop Istanbul

8:25 pm - 11:30 amLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

21h 05m1 stop Istanbul

$1,330Turkish Airlines

Thu, Sep 10 - Sun, Sep 20

1:15 pm - 8:50 amIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

13h 35m1 stop Istanbul

5:10 pm - 3:45 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

28h 35m2 stops Manchester Dublin

$1,382Multiple Airlines

Thu, Sep 10 - Fri, Sep 18

10:20 pm - 7:25 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

15h 05m1 stop Munich Franz Josef Strauss

9:55 am - 7:25 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

15h 30m2 stops Frankfurt am Main Munich Franz Josef Strauss

$2,315Lufthansa

Sat, Sep 5 - Tue, Sep 15

10:20 pm - 9:45 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

17h 25m2 stops Munich Franz Josef Strauss Frankfurt am Main

6:55 am - 1:35 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

12h 40m1 stop Frankfurt am Main

$2,316Lufthansa

Sat, Sep 5 - Tue, Sep 15

6:35 pm - 1:55 pmIAD Washington, D.C. Dulles Intl-LJU Ljubljana Joze Pucnik

13h 20m2 stops London Heathrow Zurich

6:25 am - 3:25 pmLJU Ljubljana Joze Pucnik-IAD Washington, D.C. Dulles Intl

15h 00m1 stop Zurich

$4,056SWISS

Tue, Sep 8 - Wed, Sep 23

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Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Slovenia

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Slovenia flight tickets

Turkish Airlines

Oct 27

IAD10:20 pmWashington, D.C. Dulles Intl

28h 55m

1 stop

LJU8:15 amLjubljana Joze Pucnik

Nov 3

LJU7:40 pmLjubljana Joze Pucnik

23h 05m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$839

Turkish Airlines

Oct 27

IAD10:20 pmWashington, D.C. Dulles Intl

28h 55m

1 stop

LJU8:15 amLjubljana Joze Pucnik

Nov 3

LJU7:40 pmLjubljana Joze Pucnik

23h 05m

1 stop

IAD12:45 pmWashington, D.C. Dulles Intl

$841

Turkish Airlines

Nov 2

IAD10:20 pmWashington, D.C. Dulles Intl

27h 55m

1 stop

LJU8:15 amLjubljana Joze Pucnik

Nov 13

LJU9:10 amLjubljana Joze Pucnik

32h 35m

1 stop

IAD11:45 amWashington, D.C. Dulles Intl

$850

Lufthansa flights from Washington, D.C. Dulles Intl Airport to Slovenia

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Slovenia flight tickets

Lufthansa

Nov 2

IAD10:55 pmWashington, D.C. Dulles Intl

16h 25m

2 stops

LJU9:20 pmLjubljana Joze Pucnik

Nov 13

LJU6:40 amLjubljana Joze Pucnik

15h 15m

1 stop

IAD3:55 pmWashington, D.C. Dulles Intl

$905

Lufthansa

Oct 4

IAD10:20 pmWashington, D.C. Dulles Intl

17h 35m

2 stops

LJU9:55 pmLjubljana Joze Pucnik

Oct 16

LJU6:35 amLjubljana Joze Pucnik

13h 00m

1 stop

IAD1:35 pmWashington, D.C. Dulles Intl

$995

Lufthansa

Oct 2

IAD10:20 pmWashington, D.C. Dulles Intl

17h 25m

2 stops

LJU9:45 pmLjubljana Joze Pucnik

Oct 9

LJU6:35 amLjubljana Joze Pucnik

13h 00m

1 stop

IAD1:35 pmWashington, D.C. Dulles Intl

$1,023

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Wed 10/21

1:15 pm-7:30 pm

1 stop24h 15m

Ljubljana Joze Pucnik

Thu 11/5

9:10 am-8:25 pm

1 stop17h 15m

$839

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Tue 11/3

2:30 pm-6:45 pm

1 stop22h 15m

Ljubljana Joze Pucnik

Thu 11/12

7:40 pm-11:45 am

1 stop22h 05m

$839

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Tue 10/27

2:30 pm-6:45 pm

1 stop23h 15m

Ljubljana Joze Pucnik

Tue 11/3

7:40 pm-12:45 pm

1 stop23h 05m

$839

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Fri 10/23

8:20 pm-2:05 pm

3 stops35h 45m

Ljubljana Joze Pucnik

Fri 10/30

1:45 pm-7:50 pm

3 stops35h 05m

$875

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Fri 12/4

8:10 pm-10:45 pm

1 stop20h 35m

Ljubljana Joze Pucnik

Fri 1/29

6:40 am-3:55 pm

1 stop15h 15m

$882

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Fri 12/4

8:10 pm-10:45 pm

1 stop20h 35m

Ljubljana Joze Pucnik

Fri 1/29

6:40 am-8:23 pm

2 stops19h 43m

$884

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Mon 11/2

10:55 pm-9:20 pm

2 stops16h 25m

Ljubljana Joze Pucnik

Fri 11/13

6:40 am-3:55 pm

1 stop15h 15m

$905

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Sun 10/4

10:20 pm-9:55 pm

2 stops17h 35m

Ljubljana Joze Pucnik

Fri 10/16

6:35 am-1:35 pm

1 stop13h 00m

$995

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Fri 10/2

8:20 pm-10:40 pm

1 stop20h 20m

Ljubljana Joze Pucnik

Fri 10/9

6:25 am-4:45 pm

1 stop16h 20m

$998

Quickest round-trip

Washington, D.C.Ljubljana

IAD Washington, D.C. Dulles Intl - LJU Ljubljana Joze Pucnik

IADLJU

Washington, D.C. Dulles Intl

Fri 10/9

8:20 pm-1:50 pm

1 stop11h 30m

Ljubljana Joze Pucnik

Sat 10/17

6:25 am-4:45 pm

1 stop16h 20m

$1,072

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Slovenia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Slovenia?

The month of November is, on average, the cheapest month to fly to Slovenia from Washington, D.C. Dulles Intl Airport, with most prices found around $0. The month of February is another great option to travel to Slovenia, with average flight prices from Washington, D.C. Dulles Intl Airport averaging around $0.

Cheap Washington, D.C. Dulles Intl Airport to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Slovenia

Best Price Found	$370
Fastest flight time	12h 05m
Direct flights	None

The best one-way flight to Slovenia from Washington, D.C. Dulles Intl Airport in the past 72 hours is $370. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Slovenia found on momondo in the last 72 hours is $839.

The fastest flight from Washington, D.C. Dulles Intl Airport to Slovenia takes 12h 05m

There are no direct flights from Washington, D.C. Dulles Intl Airport to Slovenia. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Slovenia.

Search flight deals

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Slovenia

When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Slovenia?
Prices for flights from Washington, D.C. Dulles Intl Airport to Slovenia are updated daily.
How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Slovenia?
There are 3 operators available for flights from Washington, D.C. Dulles Intl Airport to Slovenia as of September 2026.
How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Slovenia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Slovenia.
What documentation or ID do you need to fly to Slovenia?
The travel and health documents required for your trip to Slovenia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Slovenia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Slovenia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Slovenia with momondo

Airline	Rating	Free Cancellation	Price
Turkish Airlines	PriceFrom $654	Free Cancellation	Rating 7.4 4,480 reviews	Search Turkish Airlines flights
Lufthansa	PriceFrom $711	Free Cancellation	Rating 6.8 8,225 reviews	Search Lufthansa flights
SWISS	PriceFrom $713	Free Cancellation	Rating 7.5 2,062 reviews	Search SWISS flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Slovenia?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Slovenia from Washington, D.C..

Can I find flights from Washington, D.C. to Slovenia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Slovenia flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Slovenia?

Once you have performed a search for Washington, D.C. to Slovenia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Slovenia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Slovenia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Cheap flights from Washington, D.C. Dulles Intl Airport to Slovenia from $370

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Turkish Airlines flights from Washington, D.C. Dulles Intl Airport to Slovenia

Our best Turkish Airlines deals on Washington, D.C. Dulles Intl Airport to Slovenia flight tickets

Lufthansa flights from Washington, D.C. Dulles Intl Airport to Slovenia

Our best Lufthansa deals on Washington, D.C. Dulles Intl Airport to Slovenia flight tickets

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See travel insights to Slovenia from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Slovenia

What is the cheapest month to fly to Slovenia?

What is the cheapest airline that flies from Washington, D.C. Dulles Intl to Slovenia?

What airlines fly to Slovenia?

Cheap Washington, D.C. Dulles Intl Airport to Slovenia flight deals and tips

Best Price Found

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Direct flights

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Slovenia

Best airlines flying from Washington, D.C. Dulles Intl Airport to Slovenia

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Slovenia with momondo

Why use momondo?

An easier way to manage your Slovenia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Slovenia

Popular cities in Slovenia

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. Dulles Intl Airport flight routes

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According to popular flight searches on momondo this year

Fly your favorite airline to Slovenia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Slovenia

List of cabin classes available on flights landing in Slovenia. Availability may vary depending on flight origin and airline.

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