What is the cheapest airline that flies from Washington to Slovenia?

British Airways, Turkish Airlines, and United Airlines are the most popular carriers operating from Washington to Slovenia

When did momondo last update prices for flights from Washington to Slovenia?

Prices for flights from Washington to Slovenia are updated daily.

How many operators does momondo search for flights from Washington to Slovenia?

As of September 2026, there are 2 operators available to choose from for flights from Washington to Slovenia.

How old do you have to be to fly from Washington 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 to Slovenia.

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

The required travel and health documents for your Slovenia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Slovenia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$390 Cheap Flights from Washington to Slovenia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington to Slovenia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:05 pm - 11:40 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

34h 35m1 stop Paris Charles de Gaulle

12:55 pm - 11:47 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

31h 52m1 stop Amsterdam Schiphol

$742Delta

Tue, Nov 3 - Mon, Nov 16

4:05 pm - 11:40 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

34h 35m1 stop Paris Charles de Gaulle

12:55 pm - 11:47 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

31h 52m1 stop Amsterdam Schiphol

$742Delta

Tue, Nov 3 - Tue, Nov 17

4:05 pm - 11:40 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

34h 35m1 stop Paris Charles de Gaulle

12:55 pm - 11:47 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

31h 52m1 stop Amsterdam Schiphol

$742Delta

Tue, Nov 3 - Wed, Nov 18

3:25 pm - 11:40 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

35h 15m1 stop Paris Charles de Gaulle

12:55 pm - 11:47 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

31h 52m1 stop Amsterdam Schiphol

$742Delta

Wed, Nov 4 - Tue, Nov 17

7:05 pm - 8:25 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

28h 20m1 stop Istanbul

9:20 am - 5:10 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

16h 50m1 stop Istanbul

$921Turkish Airlines

Fri, Nov 13 - Fri, Nov 20

7:05 pm - 8:25 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

28h 20m1 stop Istanbul

9:20 am - 5:10 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

16h 50m1 stop Istanbul

$921Turkish Airlines

Sat, Nov 14 - Thu, Nov 19

7:05 pm - 8:25 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

28h 20m1 stop Istanbul

9:20 am - 5:10 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

16h 50m1 stop Istanbul

$921Turkish Airlines

Sat, Nov 14 - Fri, Nov 20

1:50 pm - 9:20 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

22h 30m1 stop Frankfurt am Main

6:40 am - 12:00 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

14h 20m1 stop Frankfurt am Main

$933Lufthansa

Sun, Nov 1 - Wed, Nov 18

1:50 pm - 9:20 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

22h 30m1 stop Frankfurt am Main

6:40 am - 12:00 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

14h 20m1 stop Frankfurt am Main

$933Lufthansa

Sun, Nov 1 - Thu, Nov 19

1:50 pm - 9:20 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

22h 30m1 stop Frankfurt am Main

6:40 am - 8:56 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

23h 16m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

$943Lufthansa

Sun, Nov 1 - Fri, Nov 13

Cheap last minute flights

Enter your travel dates to find the best prices.

2:10 pm - 1:15 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

14h 05m1 stop Frankfurt am Main

6:05 am - 11:55 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

14h 50m1 stop Frankfurt am Main

$952Lufthansa

Tue, Sep 22 - Sun, Sep 27

7:00 am - 1:55 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

21h 55m2 stops Chicago O'Hare Intl Zurich

6:05 am - 11:55 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

14h 50m1 stop Frankfurt am Main

$958Multiple Airlines

Tue, Sep 22 - Sun, Sep 27

7:00 am - 1:55 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

21h 55m2 stops Chicago O'Hare Intl Zurich

6:25 am - 11:26 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

26h 01m2 stops Zurich San Francisco

$1,124SWISS

Tue, Sep 22 - Sun, Sep 27

7:00 am - 1:15 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

21h 15m2 stops Chicago O'Hare Intl Frankfurt am Main

6:05 am - 8:37 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

47h 32m3 stops Frankfurt am Main Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,151United Airlines

Tue, Sep 22 - Sun, Sep 27

12:10 pm - 9:15 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

60h 05m3 stops Houston George Bush Intcntl Chicago O'Hare Intl Frankfurt am Main

6:05 am - 8:37 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

47h 32m3 stops Frankfurt am Main Chicago O'Hare Intl Washington, D.C. Dulles Intl

$1,243United Airlines

Tue, Sep 22 - Sun, Sep 27

2:10 pm - 9:45 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

22h 35m1 stop Frankfurt am Main

6:25 am - 11:55 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

14h 30m1 stop Frankfurt am Main

$1,375Lufthansa

Tue, Sep 22 - Thu, Sep 24

7:00 am - 10:40 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

30h 40m2 stops Chicago O'Hare Intl Zurich

6:25 am - 11:55 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

14h 30m1 stop Frankfurt am Main

$1,387Multiple Airlines

Tue, Sep 22 - Thu, Sep 24

7:00 am - 10:40 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

30h 40m2 stops Chicago O'Hare Intl Zurich

6:25 am - 10:56 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

25h 31m2 stops Frankfurt am Main Chicago O'Hare Intl

$1,397Multiple Airlines

Tue, Sep 22 - Thu, Sep 24

8:00 am - 9:45 pmSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

28h 45m3 stops Toronto Pearson Intl London Heathrow Frankfurt am Main

6:30 pm - 11:55 amLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

26h 25m3 stops Brussels Bruxelles-National London Heathrow Frankfurt am Main

$1,534Multiple Airlines

Tue, Sep 22 - Thu, Sep 24

7:10 pm - 8:50 amSEA Seattle/Tacoma Intl-LJU Ljubljana Joze Pucnik

28h 40m2 stops Dublin Istanbul

8:25 pm - 6:45 pmLJU Ljubljana Joze Pucnik-SEA Seattle/Tacoma Intl

31h 20m3 stops Istanbul Dublin Calgary

$1,718Multiple Airlines

Tue, Sep 22 - Thu, Sep 24

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United Airlines flights from State of Washington to Slovenia

Our best United Airlines deals on State of Washington to Slovenia flight tickets

United Airlines

Feb 1

SEA8:00 amSeattle/Tacoma Intl

17h 05m

2 stops

LJU10:05 amLjubljana Joze Pucnik

Feb 5

LJU6:40 amLjubljana Joze Pucnik

39h 05m

3 stops

SEA12:45 pmSeattle/Tacoma Intl

$886

United Airlines

Feb 1

SEA8:00 amSeattle/Tacoma Intl

17h 05m

2 stops

LJU10:05 amLjubljana Joze Pucnik

Feb 5

LJU6:40 amLjubljana Joze Pucnik

23h 19m

2 stops

SEA8:59 pmSeattle/Tacoma Intl

$887

United Airlines

Feb 1

SEA7:00 amSeattle/Tacoma Intl

18h 05m

2 stops

LJU10:05 amLjubljana Joze Pucnik

Feb 5

LJU10:45 amLjubljana Joze Pucnik

32h 08m

2 stops

SEA9:53 amSeattle/Tacoma Intl

$888

British Airways flights from State of Washington to Slovenia

Our best British Airways deals on State of Washington to Slovenia flight tickets

British Airways

Oct 3

SEA1:40 pmSeattle/Tacoma Intl

39h 35m

2 stops

LJU2:15 pmLjubljana Joze Pucnik

Oct 11

LJU9:25 pmLjubljana Joze Pucnik

23h 10m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$995

British Airways

Oct 3

SEA1:40 pmSeattle/Tacoma Intl

39h 35m

2 stops

LJU2:15 pmLjubljana Joze Pucnik

Oct 11

LJU9:25 pmLjubljana Joze Pucnik

23h 10m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$996

British Airways

Oct 3

SEA8:20 pmSeattle/Tacoma Intl

15h 15m

1 stop

LJU8:35 pmLjubljana Joze Pucnik

Oct 11

LJU9:25 pmLjubljana Joze Pucnik

23h 10m

1 stop

SEA11:35 amSeattle/Tacoma Intl

$1,012

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Tue 11/3

4:05 pm-11:40 am

1 stop34h 35m

Ljubljana Joze Pucnik

Mon 11/16

12:55 pm-11:47 am

1 stop31h 52m

$742

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Tue 11/3

4:05 pm-11:40 am

1 stop34h 35m

Ljubljana Joze Pucnik

Tue 11/17

12:55 pm-11:47 am

1 stop31h 52m

$742

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Tue 11/3

4:05 pm-11:40 am

1 stop34h 35m

Ljubljana Joze Pucnik

Wed 11/18

12:55 pm-11:47 am

1 stop31h 52m

$742

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Wed 11/4

3:25 pm-11:40 am

1 stop35h 15m

Ljubljana Joze Pucnik

Tue 11/17

12:55 pm-11:47 am

1 stop31h 52m

$742

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Fri 11/13

7:05 pm-8:25 am

1 stop28h 20m

Ljubljana Joze Pucnik

Fri 11/20

9:20 am-5:10 pm

1 stop16h 50m

$921

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Sat 11/14

7:05 pm-8:25 am

1 stop28h 20m

Ljubljana Joze Pucnik

Thu 11/19

9:20 am-5:10 pm

1 stop16h 50m

$921

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Sat 11/14

7:05 pm-8:25 am

1 stop28h 20m

Ljubljana Joze Pucnik

Fri 11/20

9:20 am-5:10 pm

1 stop16h 50m

$921

Quickest round-trip

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Sun 11/1

1:50 pm-9:20 pm

1 stop22h 30m

Ljubljana Joze Pucnik

Wed 11/18

6:40 am-12:00 pm

1 stop14h 20m

$933

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Sun 11/1

1:50 pm-9:20 pm

1 stop22h 30m

Ljubljana Joze Pucnik

Thu 11/19

6:40 am-12:00 pm

1 stop14h 20m

$933

SeattleLjubljana

SEA Seattle/Tacoma Intl - LJU Ljubljana Joze Pucnik

SEALJU

Seattle/Tacoma Intl

Sun 11/1

1:50 pm-9:20 pm

1 stop22h 30m

Ljubljana Joze Pucnik

Fri 11/13

6:40 am-8:56 pm

2 stops23h 16m

$943

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first

How to get the cheapest flight ticket from State of Washington 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 February is, on average, the cheapest month to fly to Slovenia from State of Washington, with most prices found around $0. The month of December is another great option to travel to Slovenia, with average flight prices from State of Washington averaging around $543.

Can stopping save me money on State of Washington to Slovenia flights?

You could potentially save up to 55% on your flight if you consider stops on a State of Washington to Slovenia flight.

Cheap State of Washington to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Slovenia

Best Price Found	$390
Fastest flight time	12h 45m
Direct flights	None

The best one-way flight to Slovenia from State of Washington in the past 72 hours is $390. The best round-trip flight deal from State of Washington to Slovenia found on momondo in the last 72 hours is $742.

The fastest flight from State of Washington to Slovenia takes 12h 45m

There are no direct flights from State of Washington to Slovenia. There are no popular flight routes from State of Washington to Slovenia.

Search flight deals

Frequently asked questions about flying from Washington to Slovenia

When did momondo last update prices for flights from Washington to Slovenia?
Prices for flights from Washington to Slovenia are updated daily.
How many operators does momondo search for flights from Washington to Slovenia?
As of September 2026, there are 2 operators available to choose from for flights from Washington to Slovenia.
How old do you have to be to fly from Washington 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 to Slovenia.
What documentation or ID do you need to fly to Slovenia?
The required travel and health documents for your Slovenia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Slovenia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from State of Washington to Slovenia

Compare and see reviews for airlines that fly from State of Washington to Slovenia with momondo

Airline	Rating	Free Cancellation	Price
Lufthansa	PriceFrom $543	Free Cancellation	Rating 6.8 8,237 reviews		Search Lufthansa flights
Turkish Airlines	PriceFrom $660	Free Cancellation	Rating 7.4 4,464 reviews		Search Turkish Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington to Slovenia?

Finding the right flight to Slovenia from Washington is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Slovenia quick and easy, saving you time and money.

Can I find flights from Washington to Slovenia with flexible booking policies on momondo?

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

How can momondo help me find flights from Washington to Slovenia?

Once all potential Washington to Slovenia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Yes momondo offers price alerts on flights to Slovenia from Washington. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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.

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Popular cities in Slovenia

Flights to Ljubljanafrom $689

Flights to Mariborfrom $3,530

Flights to Portorož

Cheap flights from Washington to Slovenia from $390

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Slovenia departing on 11/25. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Find the cheapest flights from Washington to Slovenia

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

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United Airlines flights from State of Washington to Slovenia

Our best United Airlines deals on State of Washington to Slovenia flight tickets

British Airways flights from State of Washington to Slovenia

Our best British Airways deals on State of Washington to Slovenia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Washington to Slovenia that are best for you.

See travel insights to Slovenia from

How to get the cheapest flight ticket from State of Washington to Slovenia

What is the cheapest month to fly to Slovenia?

Can stopping save me money on State of Washington to Slovenia flights?

What is the cheapest airline that flies from Washington to Slovenia?

Cheap State of Washington to Slovenia flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Washington to Slovenia

Best airlines flying from State of Washington to Slovenia

Compare and see reviews for airlines that fly from State of Washington 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

State of Washington flight routes

According to popular flight searches on momondo this year

Slovenia flight routes

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.

Complete your trip to Slovenia

Explore popular destinations other users love

According to popular flight searches on momondo this year