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Cheap flights from Helsinki to Louisville from $1,052

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Helsinki to Louisville departing on 4/13. 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 Helsinki to Louisville

Cheap round-trip flights

Enter your travel dates to find the best prices.
Lufthansa Logo
6:15 pm - 10:30 pm
HEL
-
SDF
35h 15m
2 stops
Lufthansa Logo
7:40 pm - 1:05 pm
SDF
-
HEL
34h 25m
2 stops
$1,052Lufthansa
Mon, Apr 13 - Sat, May 2
American Airlines Logo
4:25 pm - 10:46 am
HEL
-
SDF
25h 21m
1 stop
American Airlines Logo
6:07 am - 10:45 am
SDF
-
HEL
21h 38m
1 stop
$1,089American Airlines
Mon, Apr 13 - Sat, May 2
Scandinavian Airlines Logo
9:05 pm - 11:59 pm
HEL
-
SDF
33h 54m
2 stops
Scandinavian Airlines Logo
3:24 pm - 10:35 am
SDF
-
HEL
36h 11m
2 stops
$1,092Scandinavian Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
4:25 pm - 4:47 pm
HEL
-
SDF
31h 22m
2 stops
Multiple Airlines Logo
7:55 pm - 10:45 am
SDF
-
HEL
31h 50m
1 stop
$1,246Multiple Airlines
Mon, Apr 13 - Sat, May 2
American Airlines Logo
4:25 pm - 11:01 pm
HEL
-
SDF
13h 36m
1 stop
American Airlines Logo
4:49 pm - 4:20 pm
SDF
-
HEL
16h 31m
2 stops
$1,266American Airlines
Thu, Sep 3 - Mon, Sep 7
Multiple Airlines Logo
8:05 am - 11:47 am
HEL
-
SDF
34h 42m
3 stops
Multiple Airlines Logo
6:08 pm - 11:40 pm
SDF
-
HEL
22h 32m
3 stops
$1,789Multiple Airlines
Mon, Apr 13 - Sat, May 2

American Airlines flights from Helsinki to Louisville

Our best American Airlines deals on Helsinki to Louisville flight tickets
American Airlines
Apr 13
HEL4:25 pmHelsinki-Vantaa
25h 21m
1 stop
SDF10:46 amLouisville Intl
May 2
SDF6:07 amLouisville Intl
21h 38m
1 stop
HEL10:45 amHelsinki-Vantaa
$1,089
American Airlines
Sep 3
HEL4:25 pmHelsinki-Vantaa
13h 36m
1 stop
SDF11:01 pmLouisville Intl
Sep 7
SDF4:49 pmLouisville Intl
16h 31m
2 stops
HEL4:20 pmHelsinki-Vantaa
$1,266

momondo Fare Finder

 
Customize your flight search to find flights from Helsinki to Louisville 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 March 25, 2026.
Use the filters below to find and compare flights from Helsinki to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelsinkiLouisville

HEL - SDF

HELSDF

Helsinki-Vantaa

Mon 4/13

6:15 pm-10:30 pm

2 stops35h 15m

Louisville Intl

Sat 5/2

7:40 pm-1:05 pm

2 stops34h 25m

$1,052

HelsinkiLouisville

HEL - SDF

HELSDF

Helsinki-Vantaa

Mon 4/13

4:25 pm-10:46 am

1 stop25h 21m

Louisville Intl

Sat 5/2

6:07 am-10:45 am

1 stop21h 38m

$1,089

HelsinkiLouisville

HEL - SDF

HELSDF

Helsinki-Vantaa

Thu 9/3

9:05 pm-11:59 pm

2 stops33h 54m

Louisville Intl

Mon 9/7

3:24 pm-10:35 am

2 stops36h 11m

$1,092

HelsinkiLouisville

HEL - SDF

HELSDF

Helsinki-Vantaa

Mon 4/13

4:25 pm-4:47 pm

2 stops31h 22m

Louisville Intl

Sat 5/2

7:55 pm-10:45 am

1 stop31h 50m

$1,246
Quickest round-trip

HelsinkiLouisville

HEL - SDF

HELSDF

Helsinki-Vantaa

Thu 9/3

4:25 pm-11:01 pm

1 stop13h 36m

Louisville Intl

Mon 9/7

4:49 pm-4:20 pm

2 stops16h 31m

$1,266

HelsinkiLouisville

HEL - SDF

HELSDF

Helsinki-Vantaa

Mon 4/13

8:05 am-11:47 am

3 stops34h 42m

Louisville Intl

Sat 5/2

6:08 pm-11:40 pm

3 stops22h 32m

$1,789

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Helsinki to Louisville

Are you open to changing your travel dates? Check out the ideal times to fly from Helsinki to Louisville according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Helsinki to Louisville (HEL to SDF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Helsinki to Louisville

Fastest flight time

17h 14m

Direct flights

None
The fastest flight from Helsinki to Louisville takes 17h 14m
There are no direct flights from Helsinki to Louisville. There are no popular flight routes from Helsinki to Louisville.
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  • How far is Helsinki-Vantaa to Louisville Intl by plane?

    The distance between Helsinki-Vantaa and Louisville Intl is about 4590.5 mi. A reasonable flight in good conditions will take 17h 14m.

  • When did momondo last update prices for flights from Helsinki-Vantaa Airport to Louisville Intl Airport?

    Prices for flights from Helsinki-Vantaa Airport to Louisville Intl Airport are updated daily.

  • How old do you have to be to fly from Helsinki-Vantaa Airport to Louisville Intl Airport?

    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 Helsinki-Vantaa Airport to Louisville Intl Airport.

  • What documentation or ID do you need to fly to Louisville Intl Airport?

    The travel and health documents required for your trip to Louisville Intl Airport 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 Louisville Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • How do I get Price Alerts for flights from Helsinki to Louisville?

    Search flight deals from Helsinki to Louisville. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Helsinki to Louisville with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
French Lick
Elizabethtown
Bardstown
West Baden Springs
Jeffersonville
New Albany
Shepherdsville
Corydon
Brandenburg
Elizabeth
Charlestown
Springfield
Georgetown

Why use momondo?

Why should I use momondo to find a flight deal from Helsinki to Louisville?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Helsinki to Louisville. momondo saves you time and could save you money on your trip.

Can I find flights from Helsinki to Louisville with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Louisville from Helsinki with this policy.

How can momondo help me find flights from Helsinki to Louisville?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Louisville from Helsinki.

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

If you are simply researching potential flights to Louisville, momondo offers a useful price alert feature which will track prices for flights to Louisville from Helsinki and alert you when they change.

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Fri 4/24
Fri 5/1
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