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Cheap flights from St. Louis to Tokyo from $501

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Tokyo departing on 7/21. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from St. Louis to Tokyo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 4:00 pm
STL
-
NRT
20h 00m
1 stop
Multiple Airlines Logo
6:00 pm - 11:59 pm
NRT
-
STL
19h 59m
1 stop
$1,072Multiple Airlines
Wed, Sep 16 - Fri, Sep 25
United Airlines Logo
6:00 am - 3:00 pm
STL
-
NRT
19h 00m
2 stops
United Airlines Logo
5:05 pm - 6:39 pm
NRT
-
STL
15h 34m
1 stop
$1,089United Airlines
Mon, Aug 24 - Fri, Aug 28
United Airlines Logo
8:42 am - 3:00 pm
STL
-
NRT
16h 18m
1 stop
United Airlines Logo
4:45 pm - 10:00 pm
NRT
-
STL
19h 15m
2 stops
$1,093United Airlines
Wed, Aug 19 - Wed, Aug 26
American Airlines Logo
5:42 am - 3:00 pm
STL
-
NRT
19h 18m
1 stop
American Airlines Logo
6:30 pm - 8:26 pm
NRT
-
STL
15h 56m
1 stop
$1,138American Airlines
Sun, Aug 16 - Sat, Sep 5
American Airlines Logo
5:42 am - 3:00 pm
STL
-
NRT
19h 18m
1 stop
American Airlines Logo
6:30 pm - 11:42 pm
NRT
-
STL
19h 12m
1 stop
$1,139American Airlines
Sun, Aug 16 - Sat, Sep 5
Multiple Airlines Logo
6:00 am - 4:00 pm
STL
-
NRT
20h 00m
1 stop
Multiple Airlines Logo
3:55 pm - 9:40 am
NRT
-
STL
31h 45m
2 stops
$1,160Multiple Airlines
Wed, Sep 16 - Fri, Sep 25
American Airlines Logo
5:40 am - 3:00 pm
STL
-
NRT
19h 20m
1 stop
American Airlines Logo
6:30 pm - 11:41 pm
NRT
-
STL
19h 11m
1 stop
$1,174American Airlines
Tue, Sep 22 - Wed, Oct 7
United Airlines Logo
3:07 pm - 3:25 pm
STL
-
NRT
34h 18m
2 stops
United Airlines Logo
5:00 pm - 10:10 am
NRT
-
STL
31h 10m
2 stops
$1,178United Airlines
Mon, Sep 28 - Tue, Oct 13
Multiple Airlines Logo
6:00 am - 4:00 pm
STL
-
NRT
20h 00m
1 stop
Multiple Airlines Logo
6:00 pm - 11:59 pm
NRT
-
STL
19h 59m
1 stop
$1,179Multiple Airlines
Mon, Sep 7 - Mon, Sep 28
Multiple Airlines Logo
6:00 am - 4:00 pm
STL
-
NRT
20h 00m
1 stop
Multiple Airlines Logo
6:00 pm - 2:21 pm
NRT
-
STL
34h 21m
1 stop
$1,189Multiple Airlines
Mon, Sep 7 - Mon, Sep 14

American Airlines flights from St. Louis to Tokyo Narita Airport

Our best American Airlines deals on St. Louis to Tokyo Narita Airport flight tickets
American Airlines
Aug 12
STL8:36 amLambert-St Louis
16h 24m
1 stop
NRT3:00 pmTokyo Narita
Nov 4
NRT5:30 pmTokyo Narita
17h 00m
1 stop
STL7:30 pmLambert-St Louis
$1,088
American Airlines
Aug 16
STL5:42 amLambert-St Louis
19h 18m
1 stop
NRT3:00 pmTokyo Narita
Sep 5
NRT6:30 pmTokyo Narita
19h 12m
1 stop
STL11:42 pmLambert-St Louis
$1,139
American Airlines
Sep 22
STL5:40 amLambert-St Louis
19h 20m
1 stop
NRT3:00 pmTokyo Narita
Oct 7
NRT6:30 pmTokyo Narita
19h 11m
1 stop
STL11:41 pmLambert-St Louis
$1,173

United Airlines flights from St. Louis to Tokyo Narita Airport

Our best United Airlines deals on St. Louis to Tokyo Narita Airport flight tickets
United Airlines
Aug 24
STL8:42 amLambert-St Louis
16h 43m
1 stop
NRT3:25 pmTokyo Narita
Aug 28
NRT5:05 pmTokyo Narita
15h 34m
1 stop
STL6:39 pmLambert-St Louis
$1,089
United Airlines
Aug 12
STL5:10 amLambert-St Louis
19h 00m
2 stops
NRT2:10 pmTokyo Narita
Nov 4
NRT5:30 pmTokyo Narita
18h 29m
2 stops
STL8:59 pmLambert-St Louis
$1,093
United Airlines
Sep 28
STL3:07 pmLambert-St Louis
34h 18m
2 stops
NRT3:25 pmTokyo Narita
Oct 13
NRT5:00 pmTokyo Narita
31h 10m
2 stops
STL10:10 amLambert-St Louis
$1,178

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Tokyo Narita Airport 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, momondo users made 832,500 searches. Data last updated May 19, 2026.
Use the filters below to find and compare flights from St. Louis to Tokyo Narita Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 9/16

6:00 am-4:00 pm

1 stop20h 00m

Tokyo Narita

Fri 9/25

6:00 pm-11:59 pm

1 stop19h 59m

$1,072
Quickest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 8/24

6:00 am-3:00 pm

2 stops19h 00m

Tokyo Narita

Fri 8/28

5:05 pm-6:39 pm

1 stop15h 34m

$1,089

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 8/19

8:42 am-3:00 pm

1 stop16h 18m

Tokyo Narita

Wed 8/26

4:45 pm-10:00 pm

2 stops19h 15m

$1,093

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 8/16

5:42 am-3:00 pm

1 stop19h 18m

Tokyo Narita

Sat 9/5

6:30 pm-8:26 pm

1 stop15h 56m

$1,138

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 8/16

5:42 am-3:00 pm

1 stop19h 18m

Tokyo Narita

Sat 9/5

6:30 pm-11:42 pm

1 stop19h 12m

$1,139

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 9/16

6:00 am-4:00 pm

1 stop20h 00m

Tokyo Narita

Fri 9/25

3:55 pm-9:40 am

2 stops31h 45m

$1,160

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 9/22

5:40 am-3:00 pm

1 stop19h 20m

Tokyo Narita

Wed 10/7

6:30 pm-11:41 pm

1 stop19h 11m

$1,174

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/28

3:07 pm-3:25 pm

2 stops34h 18m

Tokyo Narita

Tue 10/13

5:00 pm-10:10 am

2 stops31h 10m

$1,178

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

6:00 am-4:00 pm

1 stop20h 00m

Tokyo Narita

Mon 9/28

6:00 pm-11:59 pm

1 stop19h 59m

$1,179

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

6:00 am-4:00 pm

1 stop20h 00m

Tokyo Narita

Mon 9/14

6:00 pm-2:21 pm

1 stop34h 21m

$1,189

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from St. Louis to Tokyo Narita Airport

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

What is the typical price of a round-trip flight between St. Louis and Tokyo Narita Airport?

What is the cheapest month to fly to Tokyo Narita Airport?

The month of December is, on average, the cheapest month to fly to Tokyo Narita Airport from St. Louis, with most prices found around $869. If you are unable to visit Tokyo Narita Airport during the month of December, then departing from St. Louis during the month February is also very affordable. Most momondo users find prices during this month for around $938.

Can stopping save me money on St. Louis to Tokyo Narita Airport flights?

You could potentially save up to 14% on your flight if you consider stops on a St. Louis to Tokyo Narita Airport flight.

When to book flights from St. Louis to Tokyo Narita Airport

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Tokyo Narita Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Tokyo Narita Airport (STL to NRT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Tokyo Narita Airport

Fastest flight time

16h 24m

Direct flights

None
The fastest flight from St. Louis to Tokyo Narita Airport takes 16h 24m
There are no direct flights from St. Louis to Tokyo Narita Airport. There are no popular flight routes from St. Louis to Tokyo Narita Airport.
Search flight deals

Frequently asked questions about flying from St. Louis to Tokyo Narita Airport

  • How far is Lambert-St Louis to Tokyo Narita by plane?

    The distance between Lambert-St Louis and Tokyo Narita is about 6363.0 mi. 16h 24m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Tokyo Narita Airport?

    Prices for flights from Lambert-St Louis Airport to Tokyo Narita Airport were last updated today.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Tokyo Narita Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Tokyo Narita Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Tokyo Narita Airport.

  • What documentation or ID do you need to fly to Tokyo Narita Airport?

    The required travel and health documents for your Tokyo Narita Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Tokyo Narita Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from St. Louis to Tokyo Narita Airport?

Best airlines flying from St. Louis to Tokyo Narita Airport

Compare and see reviews for airlines that fly from St. Louis to Tokyo Narita Airport with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $593Free CancellationRating
7.1
11,648 reviews
Search American Airlines flights
Air CanadaPriceFrom $673Free CancellationRating
7.1
11,062 reviews
Search Air Canada flights
United AirlinesPriceFrom $759Free CancellationRating
7.4
9,734 reviews
Search United Airlines flights
ANAPriceFrom $785Free CancellationRating
8.3
1,211 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,826 reviews
Search Japan Airlines flights

Traveling to a place near Tokyo?

Book flights to Tokyo if you plan to visit one of these locations
Hakone
Urayasu
Narita
Izu
Kawasaki
Chiba
Atami
Kamakura
Kusatsu
Yokosuka
Yamanouchi
Saitama
Karuizawa
Fujiyoshida
Tsukuba
Kawagoe
Numazu
Fujisawa
Yamanashi
Minakami

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Tokyo?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Tokyo for you.

Can I find flights from St. Louis to Tokyo with flexible booking policies on momondo?

All flight searches from St. Louis to Tokyo on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from St. Louis to Tokyo?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Tokyo.

I’m not ready to book a flight from St. Louis to Tokyo right now. Can momondo alert me if prices change?

Price alerts on flights to Tokyo from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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