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Cheap flights from St. Louis to Tokyo from $349

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 2/16. 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.
United Airlines Logo
4:30 pm - 3:00 pm
STL
-
NRT
31h 30m
2 stops
United Airlines Logo
5:35 pm - 8:41 pm
NRT
-
STL
17h 06m
1 stop
$744United Airlines
Sat, Feb 28 - Tue, Mar 10
Air Canada Logo
6:25 am - 4:20 pm
STL
-
NRT
42h 55m
2 stops
Air Canada Logo
6:45 pm - 9:05 pm
NRT
-
STL
41h 20m
2 stops
$755Air Canada
Tue, Feb 24 - Tue, Mar 3
Air Canada Logo
9:55 am - 4:20 pm
STL
-
NRT
39h 25m
2 stops
Air Canada Logo
6:15 pm - 3:29 pm
NRT
-
STL
36h 14m
2 stops
$761Air Canada
Mon, Feb 23 - Thu, Mar 5
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m
2 stops
Air Canada Logo
6:45 pm - 3:29 pm
NRT
-
STL
35h 44m
1 stop
$765Air Canada
Mon, Feb 9 - Fri, Feb 27
American Airlines Logo
5:12 am - 3:30 pm
STL
-
NRT
19h 18m
1 stop
American Airlines Logo
5:30 pm - 10:58 pm
NRT
-
STL
20h 28m
1 stop
$766American Airlines
Mon, Feb 23 - Thu, Mar 5
American Airlines Logo
5:12 am - 3:30 pm
STL
-
NRT
19h 18m
1 stop
American Airlines Logo
5:30 pm - 10:58 pm
NRT
-
STL
20h 28m
1 stop
$767American Airlines
Mon, Feb 23 - Thu, Mar 5
Air Canada Logo
4:05 pm - 3:50 pm
STL
-
NRT
33h 45m
1 stop
Air Canada Logo
5:35 pm - 8:05 pm
NRT
-
STL
16h 30m
1 stop
$768Air Canada
Sat, Apr 18 - Fri, May 1
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m
2 stops
Air Canada Logo
6:45 pm - 10:59 pm
NRT
-
STL
19h 14m
2 stops
$769Air Canada
Mon, Feb 9 - Thu, Feb 12
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m
2 stops
Air Canada Logo
6:45 pm - 10:36 am
NRT
-
STL
30h 51m
2 stops
$775Air Canada
Mon, Feb 9 - Fri, Feb 27
Air Canada Logo
6:30 am - 2:55 pm
STL
-
NRT
18h 25m
2 stops
Air Canada Logo
5:25 pm - 3:24 pm
NRT
-
STL
35h 59m
1 stop
$780Air Canada
Mon, Apr 20 - Thu, Apr 23

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
Feb 28
STL4:30 pmLambert-St Louis
31h 30m
2 stops
NRT3:00 pmTokyo Narita
Mar 10
NRT5:35 pmTokyo Narita
17h 06m
1 stop
STL8:41 pmLambert-St Louis
$744
United Airlines
Feb 9
STL8:45 amLambert-St Louis
15h 55m
1 stop
NRT3:40 pmTokyo Narita
Feb 12
NRT5:45 pmTokyo Narita
19h 29m
1 stop
STL10:14 pmLambert-St Louis
$785
United Airlines
Feb 9
STL6:00 amLambert-St Louis
18h 30m
1 stop
NRT3:30 pmTokyo Narita
Feb 27
NRT5:35 pmTokyo Narita
17h 51m
1 stop
STL8:26 pmLambert-St Louis
$786

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
Feb 24
STL6:25 amLambert-St Louis
42h 55m
2 stops
NRT4:20 pmTokyo Narita
Mar 3
NRT6:45 pmTokyo Narita
41h 20m
2 stops
STL9:05 pmLambert-St Louis
$755
Air Canada
Feb 23
STL9:55 amLambert-St Louis
39h 25m
2 stops
NRT4:20 pmTokyo Narita
Mar 5
NRT6:15 pmTokyo Narita
36h 14m
2 stops
STL3:29 pmLambert-St Louis
$761
Air Canada
Feb 9
STL4:05 pmLambert-St Louis
33h 15m
2 stops
NRT4:20 pmTokyo Narita
Feb 27
NRT6:45 pmTokyo Narita
35h 44m
1 stop
STL3:29 pmLambert-St Louis
$765

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 January 29, 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

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 2/28

4:30 pm-3:00 pm

2 stops31h 30m

Tokyo Narita

Tue 3/10

5:35 pm-8:41 pm

1 stop17h 06m

$744

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 2/24

6:25 am-4:20 pm

2 stops42h 55m

Tokyo Narita

Tue 3/3

6:45 pm-9:05 pm

2 stops41h 20m

$755

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/23

9:55 am-4:20 pm

2 stops39h 25m

Tokyo Narita

Thu 3/5

6:15 pm-3:29 pm

2 stops36h 14m

$761

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Fri 2/27

6:45 pm-3:29 pm

1 stop35h 44m

$765

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/23

5:12 am-3:30 pm

1 stop19h 18m

Tokyo Narita

Thu 3/5

5:30 pm-10:58 pm

1 stop20h 28m

$766

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/23

5:12 am-3:30 pm

1 stop19h 18m

Tokyo Narita

Thu 3/5

5:30 pm-10:58 pm

1 stop20h 28m

$767

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 4/18

4:05 pm-3:50 pm

1 stop33h 45m

Tokyo Narita

Fri 5/1

5:35 pm-8:05 pm

1 stop16h 30m

$768

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Thu 2/12

6:45 pm-10:59 pm

2 stops19h 14m

$769

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Fri 2/27

6:45 pm-10:36 am

2 stops30h 51m

$775

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 4/20

6:30 am-2:55 pm

2 stops18h 25m

Tokyo Narita

Thu 4/23

5:25 pm-3:24 pm

1 stop35h 59m

$780

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 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 August is, on average, the cheapest month to fly to Tokyo Narita Airport from St. Louis, with most prices found around $738. If you are unable to visit Tokyo Narita Airport during the month of August, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $751.

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

You could potentially save up to 34% 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

15h 55m

Direct flights

None
The fastest flight from St. Louis to Tokyo Narita Airport takes 15h 55m
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

  • 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. 15h 55m 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
7.2
11,206 reviews
Search American Airlines flights
Air CanadaPriceFrom $673Free CancellationRating
7.1
10,667 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,691 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights

Traveling to a place near Tokyo?

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