Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Tokyo from $345

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 1/10. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 3:29 pm
NRT
-
STL
35h 44m1 stop
$641Air Canada
lun., feb. 9 - vie., feb. 27
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 3:29 pm
NRT
-
STL
35h 44m1 stop
$642Air Canada
vie., feb. 20 - dom., mar. 1
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 3:29 pm
NRT
-
STL
35h 44m2 stops
$645Air Canada
dom., feb. 8 - sáb., feb. 14
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 3:29 pm
NRT
-
STL
35h 44m2 stops
$646Air Canada
vie., feb. 6 - jue., feb. 19
Air Canada Logo
6:40 pm - 4:30 pm
STL
-
NRT
30h 50m2 stops
Air Canada Logo
6:45 pm - 3:29 pm
NRT
-
STL
35h 44m2 stops
$648Air Canada
lun., feb. 9 - lun., feb. 23
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 10:59 pm
NRT
-
STL
19h 14m2 stops
$651Air Canada
lun., feb. 9 - vie., feb. 27
Multiple Airlines Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Multiple Airlines Logo
6:45 pm - 12:05 am
NRT
-
STL
20h 20m2 stops
$656Multiple Airlines
vie., feb. 20 - dom., mar. 1
Air Canada Logo
4:05 pm - 4:20 pm
STL
-
NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 10:36 am
NRT
-
STL
30h 51m2 stops
$675Air Canada
lun., feb. 9 - vie., feb. 27
Alaska Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m1 stop
Alaska Airlines Logo
6:30 pm - 1:51 pm
NRT
-
STL
34h 21m1 stop
$684Alaska Airlines
dom., feb. 1 - mié., feb. 11
Multiple Airlines Logo
2:50 pm - 4:00 pm
STL
-
NRT
34h 10m1 stop
Multiple Airlines Logo
6:30 pm - 1:54 pm
NRT
-
STL
34h 24m1 stop
$686Multiple Airlines
lun., ene. 26 - mié., feb. 4

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
Feb 23
STL7:00 amLambert-St Louis
17h 30m
1 stop
NRT3:30 pmTokyo Narita
Mar 5
NRT5:30 pmTokyo Narita
16h 55m
1 stop
STL7:25 pmLambert-St Louis
$698
Find similar
American Airlines
Feb 23
STL7:00 amLambert-St Louis
17h 30m
1 stop
NRT3:30 pmTokyo Narita
Mar 5
NRT5:40 pmTokyo Narita
20h 14m
2 stops
STL10:54 pmLambert-St Louis
$778
Find similar
American Airlines
Feb 9
STL6:00 amLambert-St Louis
17h 45m
1 stop
NRT2:45 pmTokyo Narita
Feb 23
NRT5:30 pmTokyo Narita
16h 55m
1 stop
STL7:25 pmLambert-St Louis
$782
Find similar

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 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
$641
Find similar
Air Canada
Feb 20
STL4:05 pmLambert-St Louis
33h 15m
2 stops
NRT4:20 pmTokyo Narita
Mar 1
NRT6:45 pmTokyo Narita
35h 44m
1 stop
STL3:29 pmLambert-St Louis
$642
Find similar
Air Canada
Feb 8
STL4:05 pmLambert-St Louis
33h 15m
2 stops
NRT4:20 pmTokyo Narita
Feb 14
NRT6:45 pmTokyo Narita
35h 44m
2 stops
STL3:29 pmLambert-St Louis
$645
Find similar

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 diciembre 11, 2025.
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

lun. 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

vie. 2/27

6:45 pm-3:29 pm

1 stop35h 44m

$641

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 2/20

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

dom. 3/1

6:45 pm-3:29 pm

1 stop35h 44m

$642

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 2/8

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

sáb. 2/14

6:45 pm-3:29 pm

2 stops35h 44m

$645

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 2/6

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

jue. 2/19

6:45 pm-3:29 pm

2 stops35h 44m

$646

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/9

6:40 pm-4:30 pm

2 stops30h 50m

Tokyo Narita

lun. 2/23

6:45 pm-3:29 pm

2 stops35h 44m

$648

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

vie. 2/27

6:45 pm-10:59 pm

2 stops19h 14m

$651

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

vie. 2/20

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

dom. 3/1

6:45 pm-12:05 am

2 stops20h 20m

$656

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 2/9

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

vie. 2/27

6:45 pm-10:36 am

2 stops30h 51m

$675

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

dom. 2/1

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

mié. 2/11

6:30 pm-1:51 pm

1 stop34h 21m

$684

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

lun. 1/26

2:50 pm-4:00 pm

1 stop34h 10m

Tokyo Narita

mié. 2/4

6:30 pm-1:54 pm

1 stop34h 24m

$686

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 September is, on average, the cheapest month to fly to Tokyo Narita Airport from St. Louis, with most prices found around $751. If you are unable to visit Tokyo Narita Airport during the month of September, then departing from St. Louis during the month October is also very affordable. Most momondo users find prices during this month for around $786.

What is the cheapest day to depart on your flight to Tokyo Narita Airport?

On average, the least expensive day to fly to Tokyo Narita Airport from St. Louis is on a Friday. momondo users have found tickets for Friday departures for as low as $1,087. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,609. These prices are subject to change though, so be sure to set up a Price Alert for flights to Tokyo Narita Airport.

What is the cheapest time of day to depart on your flight to Tokyo Narita Airport?

In the afternoon is the cheapest time of day to fly from St. Louis to Tokyo Narita Airport when you can find flight prices for as low as $1,100. Flying to Tokyo Narita Airport in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $1,521. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You could potentially save up to 22% 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 $633Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
Air CanadaPriceFrom $673Free CancellationRating
7.1
10,517 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,653 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $716Free CancellationRating
7.4
9,094 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
Kamakura
Yokosuka
Kusatsu
Saitama
Fujiyoshida
Izu
Yamanouchi
Fujisawa
Kawagoe
Tsukuba
Karuizawa
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.

An easier way to manage your Tokyo Narita Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 1/10
sáb. 1/17
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Tokyo

Popular cities in Japan

Popular flights according to clicks in the last 7 days on momondo
Flights to Tokyo Haneda Airportfrom $554
Flights to Osaka Kansai Intl Airportfrom $543
Flights to Osaka Itami Airportfrom $574
Flights to Nagoya Chubu Centrair Intl Airportfrom $552