What airlines fly to Japan?

United Airlines, Japan Airlines and Air Canada 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 41% 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?

United Airlines, ANA, and American 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 October 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.

$410 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.

8:29 am - 11:05 pmSDF-OKA

24h 36m2 stops

8:50 pm - 8:28 pmOKA-SDF

37h 38m2 stops

$730ANA

Find Deal

Mon, Jan 26 - Mon, Feb 9

9:50 am - 4:50 pmSDF-HND

17h 00m1 stop

4:50 pm - 7:42 pmHND-SDF

16h 52m1 stop

$765United Airlines

Find Deal

Fri, Feb 6 - Sat, Feb 21

6:26 pm - 1:05 pmSDF-HND

29h 39m2 stops

4:20 pm - 10:32 pmHND-SDF

19h 12m2 stops

$873Delta

Find Deal

Tue, Mar 31 - Fri, Apr 17

8:20 am - 2:20 pmSDF-HND

17h 00m1 stop

4:35 pm - 11:57 pmHND-SDF

20h 22m1 stop

$879Delta

Find Deal

Fri, Apr 10 - Fri, Apr 17

10:55 am - 5:20 pmSDF-NRT

40h 25m3 stops

2:45 pm - 8:40 amNRT-SDF

31h 55m3 stops

$893Multiple Airlines

Find Deal

Wed, Feb 18 - Thu, Feb 26

10:55 am - 5:20 pmSDF-NRT

40h 25m3 stops

2:45 pm - 5:08 pmNRT-SDF

16h 23m1 stop

$905Multiple Airlines

Find Deal

Wed, Feb 18 - Thu, Feb 26

6:00 am - 6:30 pmSDF-HND

22h 30m2 stops

6:05 pm - 10:52 pmHND-SDF

18h 47m2 stops

$915American Airlines

Find Deal

Fri, Feb 6 - Sat, Feb 21

7:13 am - 6:45 pmSDF-ITM

21h 32m2 stops

7:25 am - 5:51 pmITM-SDF

24h 26m2 stops

$916Japan Airlines

Find Deal

Wed, Nov 26 - Sun, Dec 7

7:13 am - 10:15 pmSDF-KIX

25h 02m2 stops

7:00 am - 5:51 pmKIX-SDF

24h 51m2 stops

$919Japan Airlines

Find Deal

Wed, Nov 26 - Sat, Dec 6

5:00 am - 2:45 pmSDF-NRT

19h 45m2 stops

5:40 pm - 11:21 pmNRT-SDF

19h 41m2 stops

$959American Airlines

Find Deal

Thu, Jan 1 - Thu, Jan 15

WestJet flights from Louisville to Japan

Our best WestJet deals on Louisville to Japan flight tickets

WestJet

Nov 22

SDF6:35 amLouisville Intl

43h 55m

2 stops

NRT4:30 pmTokyo Narita

Nov 25

NRT6:35 pmTokyo Narita

18h 25m

2 stops

SDF11:00 pmLouisville Intl

$1,270

Find similar

WestJet

Dec 9

SDF6:00 amLouisville Intl

20h 30m

2 stops

NRT4:30 pmTokyo Narita

Dec 16

NRT6:35 pmTokyo Narita

42h 33m

2 stops

SDF11:08 pmLouisville Intl

$1,564

Find similar

United Airlines flights from Louisville to Japan

Our best United Airlines deals on Louisville to Japan flight tickets

United Airlines

Feb 6

SDF9:50 amLouisville Intl

17h 00m

1 stop

HND4:50 pmTokyo Haneda

Feb 21

HND4:50 pmTokyo Haneda

16h 52m

1 stop

SDF7:42 pmLouisville Intl

$765

Find similar

United Airlines

Feb 6

SDF5:35 amLouisville Intl

20h 55m

2 stops

HND4:30 pmTokyo Haneda

Feb 20

HND12:50 amTokyo Haneda

26h 38m

2 stops

SDF1:28 pmLouisville Intl

$770

Find similar

United Airlines

Feb 6

SDF5:35 amLouisville Intl

20h 20m

2 stops

NRT3:55 pmTokyo Narita

Feb 21

NRT5:00 pmTokyo Narita

19h 13m

2 stops

SDF10:13 pmLouisville Intl

$771

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleOkinawa

SDF - OKA

SDFOKA

Louisville Intl

Mon 1/26

8:29 am-11:05 pm

2 stops24h 36m

Okinawa Naha

Mon 2/9

8:50 pm-8:28 pm

2 stops37h 38m

$730

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Fri 2/6

9:50 am-4:50 pm

1 stop17h 00m

Tokyo Haneda

Sat 2/21

4:50 pm-7:42 pm

1 stop16h 52m

$765

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Tue 3/31

6:26 pm-1:05 pm

2 stops29h 39m

Tokyo Haneda

Fri 4/17

4:20 pm-10:32 pm

2 stops19h 12m

$873

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Fri 4/10

8:20 am-2:20 pm

1 stop17h 00m

Tokyo Haneda

Fri 4/17

4:35 pm-11:57 pm

1 stop20h 22m

$879

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Wed 2/18

10:55 am-5:20 pm

3 stops40h 25m

Tokyo Narita

Thu 2/26

2:45 pm-8:40 am

3 stops31h 55m

$893

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Wed 2/18

10:55 am-5:20 pm

3 stops40h 25m

Tokyo Narita

Thu 2/26

2:45 pm-5:08 pm

1 stop16h 23m

$905

LouisvilleTokyo

SDF - HND

SDFHND

Louisville Intl

Fri 2/6

6:00 am-6:30 pm

2 stops22h 30m

Tokyo Haneda

Sat 2/21

6:05 pm-10:52 pm

2 stops18h 47m

$915

LouisvilleOsaka

SDF - ITM

SDFITM

Louisville Intl

Wed 11/26

7:13 am-6:45 pm

2 stops21h 32m

Osaka Itami

Sun 12/7

7:25 am-5:51 pm

2 stops24h 26m

$916

LouisvilleOsaka

SDF - KIX

SDFKIX

Louisville Intl

Wed 11/26

7:13 am-10:15 pm

2 stops25h 02m

Osaka Kansai Intl

Sat 12/6

7:00 am-5:51 pm

2 stops24h 51m

$919

LouisvilleTokyo

SDF - NRT

SDFNRT

Louisville Intl

Thu 1/1

5:00 am-2:45 pm

2 stops19h 45m

Tokyo Narita

Thu 1/15

5:40 pm-11:21 pm

2 stops19h 41m

$959

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 $810.

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.

Can stopping save me money on Louisville to Japan flights?

You could potentially save up to 26% 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

Direct flights	None

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 October 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 7,995 reviews	Search Delta flights
Japan Airlines	PriceFrom $646	Free Cancellation	Rating 8.3 1,591 reviews	Search Japan Airlines flights
United Airlines	PriceFrom $692	Free Cancellation	Rating 7.4 8,997 reviews	Search United Airlines flights
American Airlines	PriceFrom $718	Free Cancellation	Rating 7.2 11,031 reviews	Search American Airlines flights
ANA	PriceFrom $734	Free Cancellation	Rating 8.4 994 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.