HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Narita

$315+ 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 2/16. Fares are subject to change and may not be available on all flights or dates of travel.
STL — NRT
Feb 21 — Feb 281
Sat 2/21
Sat 2/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Narita with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap 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 January 22, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/19. 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.
Sun 2/227:00 am
STL
-
NRT
1 stop18h 00m
Multiple Airlines
Thu 2/266:30 pm
NRT
-
STL
1 stop20h 29m
Multiple Airlines
Deal found 1/19$670
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 2/282:47 pm
STL
-
NRT
1 stop34h 13m
Multiple Airlines
Tue 3/106:30 pm
NRT
-
STL
1 stop33h 21m
Multiple Airlines
Deal found 1/20$686
This Kiwi.com deal was found by Cheapflights users on 1/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/202:47 pm
STL
-
NRT
1 stop34h 13m
Multiple Airlines
Fri 3/66:30 pm
NRT
-
STL
1 stop20h 29m
Multiple Airlines
Deal found 1/19$701
This Alaska Airlines deal was found by Cheapflights users on 1/20. 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.
Sat 1/246:19 pm
STL
-
NRT
1 stop30h 41m
Multiple Airlines
Mon 1/266:30 pm
NRT
-
STL
1 stop34h 24m
Multiple Airlines
Deal found 1/20$702
This Kiwi.com deal was found by Cheapflights users on 1/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/212:50 pm
STL
-
NRT
1 stop34h 10m
Multiple Airlines
Wed 1/286:30 pm
NRT
-
STL
1 stop34h 24m
Multiple Airlines
Deal found 1/20$709
This Alaska Airlines deal was found by Cheapflights users on 1/21. 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.
Tue 2/32:50 pm
STL
-
NRT
1 stop34h 10m
Multiple Airlines
Sun 2/86:30 pm
NRT
-
STL
1 stop34h 24m
Multiple Airlines
Deal found 1/21$710
This Gurufare deal was found by Cheapflights users on 1/22. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/62:50 pm
STL
-
NRT
1 stop34h 10m
Multiple Airlines
Thu 2/196:30 pm
NRT
-
STL
1 stop20h 29m
Multiple Airlines
Deal found 1/22$712
This Expedia deal was found by Cheapflights users on 1/20. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:41 am
STL
-
NRT
1 stop19h 19m
Multiple Airlines
Tue 9/85:40 pm
NRT
-
STL
2 stops32h 40m
Multiple Airlines
Deal found 1/20$723
This Air Canada deal was found by Cheapflights users on 1/21. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/239:55 am
STL
-
NRT
2 stops39h 25m
Air Canada
Thu 3/56:15 pm
NRT
-
STL
2 stops36h 14m
Air Canada
Deal found 1/21$729
This Kiwi.com deal was found by Cheapflights users on 1/22. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:51 pm
STL
-
NRT
2 stops32h 34m
Multiple Airlines
Sat 2/282:30 pm
NRT
-
STL
1 stop24h 29m
Multiple Airlines
Deal found 1/22$732
This Orbitz deal was found by Cheapflights users on 1/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/277:00 am
STL
-
NRT
1 stop19h 00m
Multiple Airlines
Thu 5/75:35 pm
NRT
-
STL
1 stop16h 30m
Multiple Airlines
Deal found 1/20$734

Find 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 January 22, 2026.

Most accurate provider

business-class.com
3 stars

Most trusted provider

business-class.com
3 stars

Round-trip from

$670
(Alaska Airlines)

One-way from

$315
(Alaska Airlines)

Popular in

June

Cheapest in

August

Average price

$1,173
Provider with most accurate pricing for Lambert-St Louis-Tokyo (TYO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Tokyo (TYO) flights.
Search Deals
From Lambert-St Louis to Narita
Search Deals
One-way flight from Lambert-St Louis to Narita
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($259 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 January 22, 2026.
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

Fri 2/6

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Thu 2/19

6:30 pm-1:51 pm

1 stop34h 21m

$710

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 2/22

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Sat 2/28

6:45 pm-10:36 am

2 stops30h 51m

$743

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/17

8:41 am-3:40 pm

1 stop15h 59m

Tokyo Narita

Thu 2/26

5:35 pm-8:26 pm

2 stops17h 51m

$751

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 2/27

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Sun 3/8

6:30 pm-11:59 pm

1 stop19h 29m

$773

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 2/22

8:41 am-3:40 pm

1 stop15h 59m

Tokyo Narita

Thu 2/26

5:35 pm-4:58 pm

1 stop14h 23m

$786

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 2/15

6:55 pm-3:30 pm

2 stops29h 35m

Tokyo Narita

Fri 2/20

5:05 pm-9:05 pm

1 stop19h 00m

$790

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/16

7:41 am-3:00 pm

1 stop16h 19m

Tokyo Narita

Wed 2/18

5:00 pm-8:26 pm

2 stops18h 26m

$790

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 2/15

3:19 pm-4:00 pm

1 stop33h 41m

Tokyo Narita

Mon 2/23

6:30 pm-11:59 pm

1 stop20h 29m

$791

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/2

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

Sun 2/15

6:30 pm-11:59 pm

1 stop20h 29m

$791

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/7

5:00 pm-3:55 pm

2 stops31h 55m

Tokyo Narita

Sun 2/15

5:05 pm-10:59 pm

1 stop20h 54m

$802

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 18 results
1
2

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 $580). Flying from St. Louis to Narita in June is currently the most expensive (average of $922). 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.

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 January 22, 2026.
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
1,688 reviews

Boarding

8.4

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Japan Airlines
8.3
Very good
1,688 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
United Airlines
7.4
Good
9,190 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
American Airlines
7.2
Good
11,174 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.
Air Canada
7.1
Good
10,646 reviews
Japan Airlines
8.3
Very good
1,688 reviews

Boarding

8.4

Crew

8.7

Entertainment

7.8

Overall

8.3

Food

7.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2025

BKK - NRT

Everything was was a great experience, the staff was very friendly and always had a smile on the face.

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?

    United Airlines can get you from St. Louis to Narita in just under 15h 59m. Your travel time can differ by up to . There are 6350 mi between St. Louis and Narita.

  • 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 $580). Flying from St. Louis to Narita in June is currently the most expensive (average of $922). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 January 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$593Average$939FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$629Average$867FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$691Average$1,004FlexibilityNo cancel feeOn-time79%
ANACheapest$703Average$921FlexibilityNo cancel feeOn-time80%
DeltaCheapest$711Average$974FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$716Average$1,092FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.