What airlines fly to Japan?

United Airlines, Japan Airlines and Delta are the top three most popular airlines that fly to Japan from Louisville according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Japan. Keep in mind that there are 6 different airlines that fly to Japan on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Louisville Intl to Japan?

American Airlines, Delta, and United Airlines are the most popular carriers operating from Louisville Intl to Japan

When did momondo last update prices for flights from Louisville Intl Airport to Japan?

Prices for flights from Louisville Intl Airport to Japan are refreshed on a daily basis.

How many operators does momondo search for flights from Louisville Intl Airport to Japan?

The number of operators available for flights from Louisville Intl Airport to Japan is 5 as of December 2025.

How old do you have to be to fly from Louisville Intl Airport to Japan?

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 Louisville Intl Airport to Japan.

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

The travel and health documents you'll need for your trip to Japan 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 Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$450 Cheap Flights from Louisville to Japan in 2025/26

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Find the cheapest flights from Louisville to Japan

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:05 pm - 7:30 am

SDF

ITM

27h 25m2 stops

7:05 am - 1:24 pm

ITM

SDF

20h 19m2 stops

$806ANA

Sun, Jan 18 - Wed, Jan 28

8:29 am - 7:10 pm

SDF

ITM

20h 41m2 stops

8:00 am - 1:24 pm

ITM

SDF

19h 24m2 stops

$807ANA

Sun, Jan 18 - Thu, Jan 29

2:05 pm - 9:05 pm

SDF

HND

17h 00m1 stop

10:50 am - 1:14 pm

HND

SDF

16h 24m1 stop

$808ANA

Wed, Jan 21 - Wed, Jan 28

8:29 am - 10:20 pm

SDF

KIX

23h 51m2 stops

6:45 am - 1:14 pm

KIX

SDF

20h 29m2 stops

$810ANA

Sun, Jan 18 - Wed, Jan 28

11:10 am - 5:45 pm

SDF

HND

16h 35m1 stop

6:20 pm - 8:28 pm

HND

SDF

16h 08m1 stop

$815United Airlines

Sun, Jan 18 - Fri, Jan 30

5:35 am - 3:00 pm

SDF

NRT

19h 25m1 stop

5:45 pm - 7:54 pm

NRT

SDF

16h 09m1 stop

$816United Airlines

Wed, Jan 21 - Wed, Jan 28

7:40 am - 7:55 pm

SDF

ITM

22h 15m2 stops

1:40 pm - 8:47 pm

ITM

SDF

21h 07m2 stops

$825American Airlines

Sun, Jan 18 - Wed, Jan 28

12:36 pm - 8:45 pm

SDF

KIX

42h 09m2 stops

9:00 am - 8:56 pm

KIX

SDF

25h 56m2 stops

$833Delta

Sun, Jan 18 - Thu, Jan 29

6:00 am - 3:30 pm

SDF

NRT

19h 30m1 stop

5:30 pm - 8:02 pm

NRT

SDF

16h 32m1 stop

$834American Airlines

Thu, Feb 12 - Tue, Feb 24

10:41 am - 5:45 pm

SDF

HND

17h 04m1 stop

4:25 pm - 6:11 pm

HND

SDF

15h 46m1 stop

$834Delta

Sun, Jan 18 - Sat, Jan 31

WestJet flights from Louisville to Japan

Our best WestJet deals on Louisville to Japan flight tickets

WestJet

Jan 21

SDF6:23 amLouisville Intl

44h 07m

2 stops

NRT4:30 pmTokyo Narita

Jan 28

NRT6:35 pmTokyo Narita

42h 31m

2 stops

SDF11:06 pmLouisville Intl

$1,071

Find similar

WestJet

Jan 19

SDF4:59 pmLouisville Intl

33h 31m

2 stops

NRT4:30 pmTokyo Narita

Jan 28

NRT6:35 pmTokyo Narita

35h 44m

2 stops

SDF4:19 pmLouisville Intl

$1,107

Find similar

WestJet

Jan 23

SDF10:13 amLouisville Intl

40h 17m

2 stops

NRT4:30 pmTokyo Narita

Jan 27

NRT6:35 pmTokyo Narita

31h 02m

2 stops

SDF11:37 amLouisville Intl

$1,121

Find similar

American Airlines flights from Louisville to Japan

Our best American Airlines deals on Louisville to Japan flight tickets

American Airlines

Jan 18

SDF7:40 amLouisville Intl

22h 15m

2 stops

ITM7:55 pmOsaka Itami

Jan 28

ITM1:40 pmOsaka Itami

21h 07m

2 stops

SDF8:47 pmLouisville Intl

$825

Find similar

American Airlines

Feb 12

SDF6:00 amLouisville Intl

19h 30m

1 stop

NRT3:30 pmTokyo Narita

Feb 24

NRT5:30 pmTokyo Narita

16h 32m

1 stop

SDF8:02 pmLouisville Intl

$834

Find similar

American Airlines

Jan 12

SDF8:06 amLouisville Intl

20h 24m

2 stops

HND6:30 pmTokyo Haneda

Jan 19

HND5:55 pmTokyo Haneda

19h 24m

2 stops

SDF11:19 pmLouisville Intl

$837

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleOsaka

SDF - ITM

SDFITM

Louisville Intl

Sun 1/18

2:05 pm-7:30 am

2 stops27h 25m

Osaka Itami

Wed 1/28

7:05 am-1:24 pm

2 stops20h 19m

$806

LouisvilleOsaka

SDF - ITM

SDFITM

Louisville Intl

Sun 1/18

8:29 am-7:10 pm

2 stops20h 41m

Osaka Itami

Thu 1/29

8:00 am-1:24 pm

2 stops19h 24m

$807

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Wed 1/21

2:05 pm-9:05 pm

1 stop17h 00m

Tokyo Haneda

Wed 1/28

10:50 am-1:14 pm

1 stop16h 24m

$808

LouisvilleOsaka

SDF - KIX

SDFKIX

Louisville Intl

Sun 1/18

8:29 am-10:20 pm

2 stops23h 51m

Osaka Kansai Intl

Wed 1/28

6:45 am-1:14 pm

2 stops20h 29m

$810

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Sun 1/18

11:10 am-5:45 pm

1 stop16h 35m

Tokyo Haneda

Fri 1/30

6:20 pm-8:28 pm

1 stop16h 08m

$815

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Wed 1/21

5:35 am-3:00 pm

1 stop19h 25m

Tokyo Narita

Wed 1/28

5:45 pm-7:54 pm

1 stop16h 09m

$816

LouisvilleOsaka

SDF - ITM

SDFITM

Louisville Intl

Sun 1/18

7:40 am-7:55 pm

2 stops22h 15m

Osaka Itami

Wed 1/28

1:40 pm-8:47 pm

2 stops21h 07m

$825

LouisvilleOsaka

SDF - KIX

SDFKIX

Louisville Intl

Sun 1/18

12:36 pm-8:45 pm

2 stops42h 09m

Osaka Kansai Intl

Thu 1/29

9:00 am-8:56 pm

2 stops25h 56m

$833

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Thu 2/12

6:00 am-3:30 pm

1 stop19h 30m

Tokyo Narita

Tue 2/24

5:30 pm-8:02 pm

1 stop16h 32m

$834

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Sun 1/18

10:41 am-5:45 pm

1 stop17h 04m

Tokyo Haneda

Sat 1/31

4:25 pm-6:11 pm

1 stop15h 46m

$834

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 Louisville to Japan

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 Japan?

The month of January is, on average, the cheapest month to fly to Japan from Louisville, with most prices found around $798. If you aren’t able to travel to Japan during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $808.

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

On average, the least expensive day to fly to Japan from Louisville is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,112. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Louisville to Japan on a Friday will generally be more expensive and average around $1,592. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Flying to Japan from Louisville in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $1,092 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to Japan, so prices are often more expensive at around $1,438 per ticket.

Cheap Louisville to Japan flight deals and tips

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

Fastest flight time	15h 43m
Direct flights	None

The fastest flight from Louisville to Japan takes 15h 43m

There are no direct flights from Louisville to Japan. There are no popular flight routes from Louisville to Japan.

Search flight deals

When did momondo last update prices for flights from Louisville Intl Airport to Japan?
Prices for flights from Louisville Intl Airport to Japan are refreshed on a daily basis.
How many operators does momondo search for flights from Louisville Intl Airport to Japan?
The number of operators available for flights from Louisville Intl Airport to Japan is 5 as of December 2025.
How old do you have to be to fly from Louisville Intl Airport to Japan?
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 Louisville Intl Airport to Japan.
What documentation or ID do you need to fly to Japan?
The travel and health documents you'll need for your trip to Japan 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 Japan. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to Japan

Compare and see reviews for airlines that fly from Louisville to Japan with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $589	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Japan Airlines	PriceFrom $646	Free Cancellation	Rating 8.3 1,660 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $692	Free Cancellation	Rating 7.4 9,106 reviews	Search United Airlines flights
ANA	PriceFrom $734	Free Cancellation	Rating 8.4 1,040 reviews	Search ANA flights
American Airlines	PriceFrom $759	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights

Why use momondo?

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

Finding the right flight to Japan from Louisville 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 Japan quick and easy, saving you time and money.

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

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

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

Once all potential Louisville to Japan 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 Louisville to Japan right now. Can momondo alert me if prices change?

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