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Cheap flights from Seattle to Slovenia from $420

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Slovenia departing on 4/16. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Seattle to Slovenia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
3:10 pm - 7:30 pm
SEA
-
LJU
19h 20m1 stop
Lufthansa Logo
6:35 am - 7:16 pm
LJU
-
SEA
21h 41m2 stops
$481Lufthansa
Wed, Jan 14 - Thu, Jan 22
Lufthansa Logo
3:10 pm - 7:30 pm
SEA
-
LJU
19h 20m1 stop
Lufthansa Logo
6:35 am - 12:10 pm
LJU
-
SEA
14h 35m1 stop
$496Lufthansa
Wed, Jan 14 - Thu, Jan 22
Lufthansa Logo
2:10 pm - 7:30 pm
SEA
-
LJU
20h 20m2 stops
Lufthansa Logo
6:35 am - 7:16 pm
LJU
-
SEA
21h 41m2 stops
$528Lufthansa
Wed, Jan 14 - Thu, Jan 22
Lufthansa Logo
2:10 pm - 7:30 pm
SEA
-
LJU
20h 20m2 stops
Lufthansa Logo
6:35 am - 7:16 pm
LJU
-
SEA
21h 41m2 stops
$529Lufthansa
Wed, Jan 14 - Thu, Jan 22
Multiple Airlines Logo
3:10 pm - 7:30 pm
SEA
-
LJU
19h 20m1 stop
Multiple Airlines Logo
6:35 am - 7:16 pm
LJU
-
SEA
21h 41m2 stops
$530Multiple Airlines
Wed, Jan 14 - Thu, Jan 22
Lufthansa Logo
3:10 pm - 7:30 pm
SEA
-
LJU
19h 20m1 stop
Lufthansa Logo
6:35 am - 12:10 pm
LJU
-
SEA
14h 35m1 stop
$535Lufthansa
Wed, Jan 14 - Thu, Jan 22
Multiple Airlines Logo
7:00 am - 12:55 pm
SEA
-
LJU
20h 55m2 stops
Multiple Airlines Logo
6:55 am - 12:10 pm
LJU
-
SEA
14h 15m1 stop
$544Multiple Airlines
Sat, Jan 17 - Sat, Jan 24
Multiple Airlines Logo
3:10 pm - 9:50 pm
SEA
-
LJU
21h 40m2 stops
Multiple Airlines Logo
9:45 am - 7:16 pm
LJU
-
SEA
18h 31m2 stops
$548Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Multiple Airlines Logo
9:25 am - 1:10 pm
SEA
-
LJU
18h 45m2 stops
Multiple Airlines Logo
12:50 pm - 11:50 am
LJU
-
SEA
32h 00m1 stop
$549Multiple Airlines
Fri, Jan 16 - Fri, Jan 23
Lufthansa Logo
2:00 pm - 9:55 pm
SEA
-
LJU
22h 55m1 stop
Lufthansa Logo
6:55 am - 12:10 pm
LJU
-
SEA
14h 15m1 stop
$550Lufthansa
Sat, Jan 17 - Sat, Jan 24

Delta flights from Seattle to Slovenia

Our best Delta deals on Seattle to Slovenia flight tickets
Delta
Feb 13
SEA7:10 amSeattle/Tacoma Intl
19h 30m
2 stops
LJU11:40 amLjubljana Joze Pucnik
Feb 26
LJU12:50 pmLjubljana Joze Pucnik
36h 58m
2 stops
SEA4:48 pmSeattle/Tacoma Intl
$686
Find similar
Delta
Feb 13
SEA7:10 amSeattle/Tacoma Intl
19h 30m
2 stops
LJU11:40 amLjubljana Joze Pucnik
Feb 26
LJU12:25 pmLjubljana Joze Pucnik
33h 55m
1 stop
SEA1:20 pmSeattle/Tacoma Intl
$694
Find similar
Delta
Feb 23
SEA7:10 amSeattle/Tacoma Intl
20h 10m
2 stops
LJU12:20 pmLjubljana Joze Pucnik
Mar 2
LJU12:50 pmLjubljana Joze Pucnik
31h 45m
1 stop
SEA11:35 amSeattle/Tacoma Intl
$719
Find similar

Lufthansa flights from Seattle to Slovenia

Our best Lufthansa deals on Seattle to Slovenia flight tickets
Lufthansa
Jan 14
SEA2:10 pmSeattle/Tacoma Intl
20h 20m
2 stops
LJU7:30 pmLjubljana Joze Pucnik
Jan 22
LJU6:35 amLjubljana Joze Pucnik
21h 41m
2 stops
SEA7:16 pmSeattle/Tacoma Intl
$529
Find similar
Lufthansa
Jan 14
SEA3:10 pmSeattle/Tacoma Intl
19h 20m
1 stop
LJU7:30 pmLjubljana Joze Pucnik
Jan 22
LJU6:35 amLjubljana Joze Pucnik
14h 35m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$535
Find similar
Lufthansa
Jan 17
SEA2:00 pmSeattle/Tacoma Intl
22h 55m
1 stop
LJU9:55 pmLjubljana Joze Pucnik
Jan 24
LJU6:55 amLjubljana Joze Pucnik
14h 15m
1 stop
SEA12:10 pmSeattle/Tacoma Intl
$550
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Slovenia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 5, 2025.
Use the filters below to find and compare flights from Seattle to Slovenia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-7:30 pm

1 stop19h 20m

Ljubljana Joze Pucnik

Thu 1/22

6:35 am-7:16 pm

2 stops21h 41m

$481

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-7:30 pm

1 stop19h 20m

Ljubljana Joze Pucnik

Thu 1/22

6:35 am-12:10 pm

1 stop14h 35m

$496

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 1/14

2:10 pm-7:30 pm

2 stops20h 20m

Ljubljana Joze Pucnik

Thu 1/22

6:35 am-7:16 pm

2 stops21h 41m

$528

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 1/14

2:10 pm-7:30 pm

2 stops20h 20m

Ljubljana Joze Pucnik

Thu 1/22

6:35 am-7:16 pm

2 stops21h 41m

$529

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-7:30 pm

1 stop19h 20m

Ljubljana Joze Pucnik

Thu 1/22

6:35 am-7:16 pm

2 stops21h 41m

$530

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Wed 1/14

3:10 pm-7:30 pm

1 stop19h 20m

Ljubljana Joze Pucnik

Thu 1/22

6:35 am-12:10 pm

1 stop14h 35m

$535

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sat 1/17

7:00 am-12:55 pm

2 stops20h 55m

Ljubljana Joze Pucnik

Sat 1/24

6:55 am-12:10 pm

1 stop14h 15m

$544

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Fri 1/16

3:10 pm-9:50 pm

2 stops21h 40m

Ljubljana Joze Pucnik

Fri 1/23

9:45 am-7:16 pm

2 stops18h 31m

$548

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Fri 1/16

9:25 am-1:10 pm

2 stops18h 45m

Ljubljana Joze Pucnik

Fri 1/23

12:50 pm-11:50 am

1 stop32h 00m

$549

SeattleLjubljana

SEA - LJU

SEALJU

Seattle/Tacoma Intl

Sat 1/17

2:00 pm-9:55 pm

1 stop22h 55m

Ljubljana Joze Pucnik

Sat 1/24

6:55 am-12:10 pm

1 stop14h 15m

$550

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Slovenia from

How to get the cheapest flight ticket from Seattle 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

What is the cheapest month to fly to Slovenia?

The month of November is, on average, the cheapest month to fly to Slovenia from Seattle, with most prices found around $630. The month of January is another great option to travel to Slovenia, with average flight prices from Seattle averaging around $669.

What is the cheapest day to depart on your flight to Slovenia?

According to our data, Sunday is the cheapest day to fly to Slovenia from Seattle. The lowest ticket price found for a Sunday departure recently was $1,023. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Slovenia on Thursday is $1,376.

What is the cheapest time of day to depart on your flight to Slovenia?

In the evening is the cheapest time of day to fly from Seattle to Slovenia when you can find flight prices for as low as $704. Flying to Slovenia in the evening is an ideal time because this is during off-peak travel hours. Flights to Slovenia are more costly at noon, with an average ticket price of $1,273. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Seattle to Slovenia flights?

You could potentially save up to 64% on your flight if you consider stops on a Seattle to Slovenia flight.

Cheap Seattle to Slovenia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Slovenia

Fastest flight time

19h 20m

Direct flights

None
The fastest flight from Seattle to Slovenia takes 19h 20m
There are no direct flights from Seattle to Slovenia. There are no popular flight routes from Seattle to Slovenia.
Search flight deals

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Slovenia?

    Prices for flights from Seattle/Tacoma Intl Airport to Slovenia are updated daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Slovenia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Slovenia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Slovenia.

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

    The travel and health documents you'll need for your trip to Slovenia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Slovenia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Slovenia

Compare and see reviews for airlines that fly from Seattle to Slovenia with momondo
Airline
Rating
Free Cancellation
Price
LufthansaPriceFrom $543Free CancellationRating
6.8
7,612 reviews
Search Lufthansa flights
Turkish AirlinesPriceFrom $647Free CancellationRating
7.3
4,077 reviews
Search Turkish Airlines flights
DeltaPriceFrom $765Free CancellationRating
7.9
8,010 reviews
Search Delta flights
KLMPriceFrom $825Free CancellationRating
7.7
1,430 reviews
Search KLM flights
Air FrancePriceFrom $831Free CancellationRating
7.4
1,502 reviews
Search Air France flights

Why use momondo?

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

It is quick and easy to find Seattle to Slovenia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Slovenia that suits you.

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

Yes. momondo enables you to select and highlight flights to Slovenia from Seattle with this policy.

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

Once all potential Seattle 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 Seattle to Slovenia right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Seattle to Slovenia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Slovenia and let you know when they change.

An easier way to manage your Slovenia trip

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Find better results for your trip to Slovenia

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