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Narita

$410+ Cheap flights from St. Louis (STL) to Narita, Japan

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NRT
oct. 17 — oct. 241
vie. 10/17
vie. 10/24
1 adult, Economy
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Cheap flight deals from St. Louis to Narita

Keep the following information in mind while searching for St. Louis to Narita flight deals. Data was last updated septiembre 17, 2025.

Round-trip from

$657
(Alaska Airlines)

One-way from

$410
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$768
From Lambert-St Louis to Narita
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One-way flight from Lambert-St Louis to Narita
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Highest demand for flights based on searches. 20% potential increase in price ($250 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from St. Louis to Narita

Cheapest flights from St. Louis to Narita
Explore the most affordable flight options available from St. Louis to Narita. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/286:00 amSTL - NRT
1 stop20h 00mAlaska Airlines
mié. 10/86:25 pmNRT - STL
1 stop19h 38mAlaska Airlines
Deal found 9/17$657
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/188:50 amSTL - NRT
1 stop16h 10mAmerican Airlines
mié. 10/86:30 pmNRT - STL
1 stop16h 23mAmerican Airlines
Deal found 9/15$661
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/198:50 amSTL - NRT
1 stop16h 10mAmerican Airlines
sáb. 10/46:30 pmNRT - STL
1 stop15h 45mAmerican Airlines
Deal found 9/15$689
This Hawaiian Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:00 amSTL - NRT
1 stop20h 00mHawaiian Airlines
vie. 10/36:25 pmNRT - STL
1 stop19h 34mHawaiian Airlines
Deal found 9/16$708
This Trip.com deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/216:00 amSTL - NRT
1 stop20h 00mHawaiian Airlines
mar. 10/76:25 pmNRT - STL
1 stop19h 38mHawaiian Airlines
Deal found 9/16$710
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/205:11 amSTL - NRT
1 stop19h 49mAmerican Airlines
mar. 10/285:30 pmNRT - STL
1 stop17h 23mAmerican Airlines
Deal found 9/16$711
This Trip.com deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 11/18:40 pmSTL - NRT
2 stops27h 45mMultiple Airlines
sáb. 11/82:45 pmNRT - STL
2 stops33h 22mMultiple Airlines
Deal found 9/17$717
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/215:15 amSTL - NRT
1 stop19h 40mUnited Airlines
mar. 10/74:40 pmNRT - STL
2 stops19h 20mUnited Airlines
Deal found 9/16$729
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/286:15 amSTL - NRT
1 stop17h 45mUnited Airlines
mié. 10/85:00 pmNRT - STL
2 stops19h 00mUnited Airlines
Deal found 9/17$733
This FlightHub deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/16:00 amSTL - NRT
1 stop17h 40mJapan Airlines
mar. 2/105:05 pmNRT - STL
1 stop21h 54mJapan Airlines
Deal found 9/15$734

Cheapflights Fare Finder

 
Customize your flight search to find flights from St. Louis to Narita 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, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
Use the filters below to find and compare flights from St. Louis to Narita that are best for you.

Fly from

St. Louis

Fly to

Narita

Route

Depart

Return

Price

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 11/16

4:14 pm-4:00 pm

1 stop32h 46m

Tokyo Narita

mié. 12/10

6:30 pm-2:27 pm

1 stop34h 57m

$729

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 9/28

5:15 am-2:55 pm

1 stop19h 40m

Tokyo Narita

jue. 10/9

5:00 pm-6:57 pm

1 stop15h 57m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 9/29

6:00 am-2:30 pm

1 stop18h 30m

Tokyo Narita

vie. 10/3

5:00 pm-6:57 pm

1 stop15h 57m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mar. 9/30

5:15 am-2:15 pm

2 stops19h 00m

Tokyo Narita

vie. 10/3

5:00 pm-6:57 pm

1 stop15h 57m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 9/28

6:15 am-2:00 pm

1 stop17h 45m

Tokyo Narita

mié. 10/8

5:00 pm-10:00 pm

2 stops19h 00m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mar. 10/14

7:52 pm-8:00 pm

3 stops34h 08m

$410

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

mar. 10/14

6:33 am-4:00 pm

1 stop19h 27m

$532

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 11/14

4:05 pm-4:30 pm

2 stops57h 25m

$589

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 11/14

7:00 am-3:30 pm

1 stop17h 30m

$597

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 11/14

8:39 am-4:50 pm

3 stops41h 11m

$956

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Best time to book a flight from St. Louis to Narita

Have a flexible travel schedule? Discover the best time to fly to Narita from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Narita

What is the cheapest month to book a flight from St. Louis to Narita?

Currently, September is the cheapest month in which you can book a flight from St. Louis to Narita (average of $807). Flying from St. Louis to Narita in June is currently the most expensive (average of $1,218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from STL to N4R?

Find hourly flight availability from St. Louis to Narita. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated septiembre 17, 2025.

When flying from St. Louis to Narita, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost to fly round-trip from St. Louis to Narita?

Reviews of airlines servicing Narita

Get insights into the airlines that provide service to Narita. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Narita. Reviews last updated septiembre 17, 2025.
Read through reviews of airlines operating flights from St. Louis to Narita, such as Japan Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,559 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Japan Airlines
8.3
Very good
1,559 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
United Airlines
7.4
Good
8,926 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.
Air Canada
7.1
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,559 reviews

Comfort

8.2

Crew

8.7

Food

7.7

Overall

8.3

Entertainment

7.8

Boarding

8.4

Reviews

1 / 20
10.0
Excellent

Brian,Sep 2025

HNL - NRT

Extremely fast boarding. Great food. Polite flight attendants. Leg space in regular economy is the largest I have experienced.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Narita. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Narita?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly out of when you book flights from St. Louis to Narita. 6 airlines have flights from Lambert-St Louis to Narita on a regular basis. Booking flights from Lambert-St Louis to Narita should not be difficult; the airport handles an average of 0 outbound flights to Narita per day.

  • How long is the flight from St. Louis to Narita?

    Alaska Airlines and United Airlines can get you from St. Louis to Narita in just under 19h 40m. Your travel time can differ by up to 13h 06m. There are 6350 mi between St. Louis and Narita. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from St. Louis to Narita one-way?

    The cheapest airlines for a one-way flight from St. Louis to Narita are Alaska Airlines ($532), Air Canada ($589), and Japan Airlines ($597).

  • Can I find deals for flights from St. Louis to Narita that include hotel bookings?

    Yes. In addition to deals on St. Louis to Narita flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Narita?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Narita.

  • Can I find deals for business class flights from St. Louis to Narita?

    Yes. Cheapflights offers flight deals from St. Louis to Narita by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Narita?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Narita (average of $807). Flying from St. Louis to Narita in June is currently the most expensive (average of $1,218). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from St. Louis to Narita

Discover the top 6 airlines that operate flights from St. Louis to Narita. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated septiembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$593Average$950FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$629Average$886FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$691Average$949FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$921FlexibilityNo cancel feeOn-time80%
United AirlinesCheapest$716Average$1,103FlexibilityNo cancel feeOn-time69%
DeltaCheapest$723Average$1,086FlexibilityNo cancel feeOn-timeN/A

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