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 34% 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?

WestJet and Japan 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 February 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.

$523 Cheap Flights from Louisville to Japan in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

12:00 pm - 2:30 pm

SDF

NRT

36h 30m

2 stops

2:30 pm - 12:21 pm

NRT

SDF

34h 51m

1 stop

$842Multiple Airlines

Sat, Feb 28 - Tue, Mar 10

12:00 pm - 2:30 pm

SDF

NRT

36h 30m

2 stops

2:30 pm - 12:21 pm

NRT

SDF

35h 51m

1 stop

$860Multiple Airlines

Sat, Feb 28 - Thu, Mar 5

1:19 pm - 2:20 pm

SDF

NRT

35h 01m

2 stops

2:30 pm - 12:21 pm

NRT

SDF

34h 51m

1 stop

$867Multiple Airlines

Mon, Mar 2 - Tue, Mar 10

6:15 am - 2:20 pm

SDF

HND

18h 05m

1 stop

6:25 pm - 11:59 pm

HND

SDF

18h 34m

1 stop

$901United Airlines

Sat, Feb 21 - Mon, Mar 9

5:35 am - 7:15 pm

SDF

HND

23h 40m

2 stops

4:25 pm - 10:13 pm

HND

SDF

19h 48m

2 stops

$903United Airlines

Wed, Feb 25 - Wed, Mar 4

9:00 am - 5:45 pm

SDF

HND

18h 45m

1 stop

6:20 pm - 8:09 pm

HND

SDF

15h 49m

1 stop

$907ANA

Mon, Feb 23 - Thu, Feb 26

9:00 am - 9:05 pm

SDF

HND

22h 05m

1 stop

6:20 pm - 8:14 pm

HND

SDF

15h 54m

1 stop

$925ANA

Mon, Mar 2 - Fri, Mar 6

7:09 am - 7:55 pm

SDF

ITM

22h 46m

2 stops

1:40 pm - 11:58 pm

ITM

SDF

23h 18m

2 stops

$996American Airlines

Mon, Feb 23 - Wed, Mar 11

5:35 am - 10:50 pm

SDF

OKA

28h 15m

3 stops

12:35 pm - 12:38 pm

OKA

SDF

37h 03m

3 stops

$2,025Air Canada

Mon, Jun 1 - Mon, Jun 8

7:12 pm - 9:05 am

SDF

OKA

24h 53m

3 stops

10:50 am - 11:25 pm

OKA

SDF

25h 35m

2 stops

$11,751American Airlines

Fri, Jun 12 - Thu, Jul 2

American Airlines flights from Louisville to Japan

Our best American Airlines deals on Louisville to Japan flight tickets

American Airlines

Feb 19

SDF7:40 amLouisville Intl

17h 50m

1 stop

NRT3:30 pmTokyo Narita

Sep 30

NRT6:30 pmTokyo Narita

16h 06m

1 stop

SDF9:36 pmLouisville Intl

$918

American Airlines

Mar 1

SDF10:49 amLouisville Intl

17h 41m

1 stop

HND6:30 pmTokyo Haneda

Mar 7

HND10:50 amTokyo Haneda

24h 36m

1 stop

SDF9:26 pmLouisville Intl

$970

American Airlines

Feb 19

SDF11:12 amLouisville Intl

20h 48m

2 stops

HND10:00 pmTokyo Haneda

Sep 30

HND11:55 amTokyo Haneda

18h 38m

2 stops

SDF5:33 pmLouisville Intl

$975

United Airlines flights from Louisville to Japan

Our best United Airlines deals on Louisville to Japan flight tickets

United Airlines

Feb 21

SDF6:15 amLouisville Intl

20h 35m

2 stops

HND4:50 pmTokyo Haneda

Mar 9

HND6:25 pmTokyo Haneda

18h 34m

1 stop

SDF11:59 pmLouisville Intl

$901

United Airlines

Feb 21

SDF6:15 amLouisville Intl

19h 00m

1 stop

NRT3:15 pmTokyo Narita

Mar 9

NRT5:05 pmTokyo Narita

18h 08m

1 stop

SDF10:13 pmLouisville Intl

$902

United Airlines

Feb 25

SDF5:35 amLouisville Intl

23h 40m

2 stops

HND7:15 pmTokyo Haneda

Mar 4

HND6:20 pmTokyo Haneda

15h 49m

1 stop

SDF8:09 pmLouisville Intl

$903

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Sat 2/28

12:00 pm-2:30 pm

2 stops36h 30m

Tokyo Narita

Tue 3/10

2:30 pm-12:21 pm

1 stop34h 51m

$842

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Sat 2/28

12:00 pm-2:30 pm

2 stops36h 30m

Tokyo Narita

Thu 3/5

2:30 pm-12:21 pm

1 stop35h 51m

$860

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Mon 3/2

1:19 pm-2:20 pm

2 stops35h 01m

Tokyo Narita

Tue 3/10

2:30 pm-12:21 pm

1 stop34h 51m

$867

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Sat 2/21

6:15 am-2:20 pm

1 stop18h 05m

Tokyo Haneda

Mon 3/9

6:25 pm-11:59 pm

1 stop18h 34m

$901

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Wed 2/25

5:35 am-7:15 pm

2 stops23h 40m

Tokyo Haneda

Wed 3/4

4:25 pm-10:13 pm

2 stops19h 48m

$903

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Mon 2/23

9:00 am-5:45 pm

1 stop18h 45m

Tokyo Haneda

Thu 2/26

6:20 pm-8:09 pm

1 stop15h 49m

$907

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Mon 3/2

9:00 am-9:05 pm

1 stop22h 05m

Tokyo Haneda

Fri 3/6

6:20 pm-8:14 pm

1 stop15h 54m

$925

LouisvilleOsaka

SDF - ITM

SDFITM

Louisville Intl

Mon 2/23

7:09 am-7:55 pm

2 stops22h 46m

Osaka Itami

Wed 3/11

1:40 pm-11:58 pm

2 stops23h 18m

$996

LouisvilleOkinawa

SDF - OKA

SDFOKA

Louisville Intl

Mon 6/1

5:35 am-10:50 pm

3 stops28h 15m

Okinawa Naha

Mon 6/8

12:35 pm-12:38 pm

3 stops37h 03m

$2,025

LouisvilleOkinawa

SDF - OKA

SDFOKA

Louisville Intl

Fri 6/12

7:12 pm-9:05 am

3 stops24h 53m

Okinawa Naha

Thu 7/2

10:50 am-11:25 pm

2 stops25h 35m

$11,751

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 $834. If you aren’t able to travel to Japan during the month of February, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $862.

Can stopping save me money on Louisville to Japan flights?

You could potentially save up to 11% 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	16h 25m
Direct flights	None

The fastest flight from Louisville to Japan takes 16h 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 February 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 8,181 reviews	Search Delta flights
Japan Airlines	PriceFrom $646	Free Cancellation	Rating 8.3 1,704 reviews	Search Japan Airlines flights
American Airlines	PriceFrom $759	Free Cancellation	Rating 7.2 11,271 reviews	Search American Airlines flights
ANA	PriceFrom $777	Free Cancellation	Rating 8.4 1,090 reviews	Search ANA flights
United Airlines	PriceFrom $799	Free Cancellation	Rating 7.4 9,281 reviews	Search United 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.