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Cheap flights from St. Louis to Tokyo from $379

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 9/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Tokyo

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
8:55 am - 3:50 pm
STL
-
NRT
16h 55m
1 stop
Air Canada Logo
5:35 pm - 6:42 pm
NRT
-
STL
39h 07m
1 stop
$977Air Canada
Thu, Aug 27 - Thu, Sep 3
Air Canada Logo
8:55 am - 3:50 pm
STL
-
NRT
16h 55m
1 stop
Air Canada Logo
5:35 pm - 2:02 pm
NRT
-
STL
34h 27m
2 stops
$985Air Canada
Thu, Aug 27 - Thu, Sep 3
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 6:41 pm
NRT
-
STL
38h 51m
1 stop
$992Air Canada
Mon, Sep 7 - Mon, Sep 28
Air Canada Logo
6:00 am - 3:25 pm
STL
-
NRT
19h 25m
2 stops
Air Canada Logo
5:35 pm - 2:02 pm
NRT
-
STL
34h 27m
2 stops
$994Air Canada
Thu, Aug 27 - Thu, Sep 3
Air Canada Logo
2:40 pm - 2:55 pm
STL
-
NRT
34h 15m
2 stops
Air Canada Logo
5:50 pm - 6:41 pm
NRT
-
STL
38h 51m
1 stop
$997Air Canada
Mon, Sep 7 - Mon, Sep 28
Air Canada Logo
12:10 pm - 2:55 pm
STL
-
NRT
36h 45m
2 stops
Air Canada Logo
4:50 pm - 6:41 pm
NRT
-
STL
39h 51m
2 stops
$999Air Canada
Sun, Aug 30 - Tue, Sep 15
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 2:00 pm
NRT
-
STL
34h 10m
2 stops
$1,000Air Canada
Mon, Sep 7 - Mon, Sep 14
Air Canada Logo
4:05 pm - 4:30 pm
STL
-
NRT
33h 25m
1 stop
Air Canada Logo
6:45 pm - 2:30 pm
NRT
-
STL
34h 45m
2 stops
$1,004Air Canada
Wed, Nov 11 - Tue, Dec 1
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
4:50 pm - 6:41 pm
NRT
-
STL
39h 51m
2 stops
$1,005Air Canada
Sun, Aug 30 - Tue, Sep 15
Air Canada Logo
12:10 pm - 3:25 pm
STL
-
NRT
37h 15m
1 stop
Air Canada Logo
5:50 pm - 6:41 pm
NRT
-
STL
38h 51m
1 stop
$1,006Air Canada
Sun, Aug 30 - Tue, Sep 15

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Air Canada flights from St. Louis to Tokyo Narita Airport

Our best Air Canada deals on St. Louis to Tokyo Narita Airport flight tickets
Air Canada
Aug 27
STL8:55 amLambert-St Louis
16h 55m
1 stop
NRT3:50 pmTokyo Narita
Sep 3
NRT5:35 pmTokyo Narita
39h 07m
1 stop
STL6:42 pmLambert-St Louis
$977
Air Canada
Aug 27
STL8:55 amLambert-St Louis
16h 55m
1 stop
NRT3:50 pmTokyo Narita
Sep 3
NRT5:35 pmTokyo Narita
34h 27m
2 stops
STL2:02 pmLambert-St Louis
$985
Air Canada
Sep 7
STL12:10 pmLambert-St Louis
37h 15m
1 stop
NRT3:25 pmTokyo Narita
Sep 28
NRT5:50 pmTokyo Narita
38h 51m
1 stop
STL6:41 pmLambert-St Louis
$992

Japan Airlines flights from St. Louis to Tokyo Narita Airport

Our best Japan Airlines deals on St. Louis to Tokyo Narita Airport flight tickets
Japan Airlines
Jul 19
STL5:32 amLambert-St Louis
19h 28m
1 stop
NRT3:00 pmTokyo Narita
Jul 30
NRT6:30 pmTokyo Narita
19h 22m
1 stop
STL11:52 pmLambert-St Louis
$1,458
Japan Airlines
Jul 15
STL6:55 amLambert-St Louis
16h 30m
1 stop
NRT1:25 pmTokyo Narita
Jul 24
NRT9:45 amTokyo Narita
17h 12m
1 stop
STL12:57 pmLambert-St Louis
$1,650
Japan Airlines
Jul 15
STL6:55 amLambert-St Louis
16h 30m
1 stop
NRT1:25 pmTokyo Narita
Jul 25
NRT9:45 amTokyo Narita
17h 05m
1 stop
STL12:50 pmLambert-St Louis
$1,737

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 July 14, 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

Thu 8/27

8:55 am-3:50 pm

1 stop16h 55m

Tokyo Narita

Thu 9/3

5:35 pm-6:42 pm

1 stop39h 07m

$977
Quickest round-trip

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Thu 8/27

8:55 am-3:50 pm

1 stop16h 55m

Tokyo Narita

Thu 9/3

5:35 pm-2:02 pm

2 stops34h 27m

$985

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/28

5:50 pm-6:41 pm

1 stop38h 51m

$992

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Thu 8/27

6:00 am-3:25 pm

2 stops19h 25m

Tokyo Narita

Thu 9/3

5:35 pm-2:02 pm

2 stops34h 27m

$994

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

2:40 pm-2:55 pm

2 stops34h 15m

Tokyo Narita

Mon 9/28

5:50 pm-6:41 pm

1 stop38h 51m

$997

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 8/30

12:10 pm-2:55 pm

2 stops36h 45m

Tokyo Narita

Tue 9/15

4:50 pm-6:41 pm

2 stops39h 51m

$999

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/7

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Mon 9/14

5:50 pm-2:00 pm

2 stops34h 10m

$1,000

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 11/11

4:05 pm-4:30 pm

1 stop33h 25m

Tokyo Narita

Tue 12/1

6:45 pm-2:30 pm

2 stops34h 45m

$1,004

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 8/30

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Tue 9/15

4:50 pm-6:41 pm

2 stops39h 51m

$1,005

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sun 8/30

12:10 pm-3:25 pm

1 stop37h 15m

Tokyo Narita

Tue 9/15

5:50 pm-6:41 pm

1 stop38h 51m

$1,006

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Tokyo from

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 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 May is also very affordable. Most momondo users find prices during this month for around $1,021.

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

You could potentially save up to 65% 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 22m

Direct flights

None
The fastest flight from St. Louis to Tokyo Narita Airport takes 16h 22m
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 22m 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
11,808 reviews
Search American Airlines flights
Air CanadaPriceFrom $729Free CancellationRating
7.1
11,336 reviews
Search Air Canada flights
ANAPriceFrom $785Free CancellationRating
8.3
1,271 reviews
Search ANA flights
United AirlinesPriceFrom $786Free CancellationRating
7.4
9,991 reviews
Search United Airlines flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,873 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
Narita
Urayasu
Izu
Kawasaki
Chiba
Atami
Kusatsu
Yamanouchi
Kamakura
Yokosuka
Saitama
Karuizawa
Tsukuba
Fujiyoshida
Kawagoe
Fujisawa
Numazu
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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