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

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

What airlines fly to Japan?

Japan Airlines, United Airlines and Delta are the top three most popular airlines that fly to Japan from Louisville according to our data. Japan Airlines is the first choice among our users, with 43% 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.

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 March 2026.

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.

$589 Cheap Flights from Louisville to Japan in 2026

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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.

9:31 am - 8:00 pm

SDF

NRT

21h 29m

1 stop

2:35 pm - 7:26 pm

NRT

SDF

17h 51m

1 stop

$732Multiple Airlines

Mon, Aug 24 - Wed, Aug 26

9:21 am - 2:10 pm

SDF

NRT

39h 49m

1 stop

2:35 pm - 7:26 pm

NRT

SDF

17h 51m

1 stop

$742Multiple Airlines

Wed, Aug 5 - Wed, Aug 26

9:21 am - 8:00 pm

SDF

NRT

45h 39m

2 stops

2:35 pm - 7:26 pm

NRT

SDF

17h 51m

1 stop

$806Multiple Airlines

Wed, Aug 5 - Wed, Aug 26

7:30 pm - 10:40 pm

SDF

KIX

38h 10m

2 stops

2:15 am - 10:50 pm

KIX

SDF

33h 35m

2 stops

$1,162Delta

Mon, Aug 31 - Mon, Sep 14

7:10 am - 3:25 pm

SDF

HND

19h 15m

1 stop

5:15 pm - 8:36 pm

HND

SDF

16h 21m

1 stop

$1,192ANA

Mon, Aug 31 - Tue, Sep 15

1:36 pm - 3:25 pm

SDF

HND

36h 49m

1 stop

5:15 pm - 8:36 pm

HND

SDF

16h 21m

1 stop

$1,199ANA

Sat, Aug 22 - Wed, Sep 2

6:00 am - 3:55 pm

SDF

HND

20h 55m

1 stop

9:15 pm - 9:05 am

HND

SDF

24h 50m

2 stops

$1,204United Airlines

Mon, Jul 20 - Tue, Aug 4

9:00 am - 5:05 pm

SDF

ITM

43h 05m

2 stops

12:50 pm - 12:05 am

ITM

SDF

24h 15m

2 stops

$1,209United Airlines

Tue, Sep 1 - Wed, Sep 16

6:07 am - 3:50 pm

SDF

HND

20h 43m

2 stops

4:20 pm - 9:41 pm

HND

SDF

18h 21m

2 stops

$1,224American Airlines

Sun, Apr 19 - Tue, May 5

7:16 am - 10:35 pm

SDF

OKA

26h 19m

3 stops

7:20 am - 11:16 pm

OKA

SDF

28h 56m

2 stops

$11,756American Airlines

Fri, Jun 12 - Thu, Jul 2

Air Canada flights from Louisville to Japan

Our best Air Canada deals on Louisville to Japan flight tickets

Air Canada

Apr 14

SDF5:00 amLouisville Intl

20h 55m

2 stops

NRT2:55 pmTokyo Narita

Apr 27

NRT4:55 pmTokyo Narita

29h 15m

2 stops

SDF9:10 amLouisville Intl

$1,409

Air Canada

Apr 27

SDF9:07 amLouisville Intl

41h 18m

2 stops

NRT3:25 pmTokyo Narita

May 6

NRT4:30 pmTokyo Narita

40h 47m

2 stops

SDF8:17 pmLouisville Intl

$1,457

Air Canada

Apr 13

SDF9:07 amLouisville Intl

40h 48m

2 stops

NRT2:55 pmTokyo Narita

Apr 27

NRT4:55 pmTokyo Narita

29h 15m

2 stops

SDF9:10 amLouisville Intl

$1,481

ANA flights from Louisville to Japan

Our best ANA deals on Louisville to Japan flight tickets

ANA

Aug 31

SDF10:15 amLouisville Intl

16h 10m

1 stop

HND3:25 pmTokyo Haneda

Sep 15

HND5:15 pmTokyo Haneda

16h 21m

1 stop

SDF8:36 pmLouisville Intl

$1,263

ANA

Aug 9

SDF6:15 amLouisville Intl

20h 10m

1 stop

HND3:25 pmTokyo Haneda

Aug 18

HND10:25 amTokyo Haneda

22h 35m

1 stop

SDF8:00 pmLouisville Intl

$1,267

ANA

Aug 10

SDF6:15 amLouisville Intl

20h 10m

1 stop

HND3:25 pmTokyo Haneda

Aug 18

HND10:25 amTokyo Haneda

22h 35m

1 stop

SDF8:00 pmLouisville Intl

$1,268

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Mon 8/24

9:31 am-8:00 pm

1 stop21h 29m

Tokyo Narita

Wed 8/26

2:35 pm-7:26 pm

1 stop17h 51m

$732

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Wed 8/5

9:21 am-2:10 pm

1 stop39h 49m

Tokyo Narita

Wed 8/26

2:35 pm-7:26 pm

1 stop17h 51m

$742

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Wed 8/5

9:21 am-8:00 pm

2 stops45h 39m

Tokyo Narita

Wed 8/26

2:35 pm-7:26 pm

1 stop17h 51m

$806

LouisvilleOsaka

SDF - KIX

SDFKIX

Louisville Intl

Mon 8/31

7:30 pm-10:40 pm

2 stops38h 10m

Osaka Kansai Intl

Mon 9/14

2:15 am-10:50 pm

2 stops33h 35m

$1,162

Quickest round-trip

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Mon 8/31

7:10 am-3:25 pm

1 stop19h 15m

Tokyo Haneda

Tue 9/15

5:15 pm-8:36 pm

1 stop16h 21m

$1,192

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Sat 8/22

1:36 pm-3:25 pm

1 stop36h 49m

Tokyo Haneda

Wed 9/2

5:15 pm-8:36 pm

1 stop16h 21m

$1,199

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Mon 7/20

6:00 am-3:55 pm

1 stop20h 55m

Tokyo Haneda

Tue 8/4

9:15 pm-9:05 am

2 stops24h 50m

$1,204

LouisvilleOsaka

SDF - ITM

SDFITM

Louisville Intl

Tue 9/1

9:00 am-5:05 pm

2 stops43h 05m

Osaka Itami

Wed 9/16

12:50 pm-12:05 am

2 stops24h 15m

$1,209

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Sun 4/19

6:07 am-3:50 pm

2 stops20h 43m

Tokyo Haneda

Tue 5/5

4:20 pm-9:41 pm

2 stops18h 21m

$1,224

LouisvilleOkinawa

SDF - OKA

SDFOKA

Louisville Intl

Fri 6/12

7:16 am-10:35 pm

3 stops26h 19m

Okinawa Naha

Thu 7/2

7:20 am-11:16 pm

2 stops28h 56m

$11,756

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 February is, on average, the cheapest month to fly to Japan from Louisville, with most prices found around $835. If you aren’t able to travel to Japan during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $864.

Can stopping save me money on Louisville to Japan flights?

You could potentially save up to 52% on your flight if you consider stops on a Louisville to Japan flight.

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 25m
Direct flights	None

The fastest flight from Louisville to Japan takes 15h 25m

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 March 2026.
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 8,357 reviews	Search Delta flights
Japan Airlines	PriceFrom $646	Free Cancellation	Rating 8.3 1,751 reviews	Search Japan Airlines flights
American Airlines	PriceFrom $759	Free Cancellation	Rating 7.1 11,520 reviews	Search American Airlines flights
United Airlines	PriceFrom $799	Free Cancellation	Rating 7.4 9,499 reviews	Search United Airlines flights
ANA	PriceFrom $867	Free Cancellation	Rating 8.4 1,148 reviews	Search ANA 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.