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Cheap flights from St. Louis to Tokyo from $350

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 2/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Tokyo (STL-NRT)

Cheap round-trip flights

Air Canada Logo
6:43 pm - 4:30 pmSTL-NRT
30h 47m2 stops
Air Canada Logo
6:45 pm - 2:25 pmNRT-STL
34h 40m2 stops
$641Air Canada
Find Deal
Mon, Nov 24 - Mon, Dec 8
Air Canada Logo
4:05 pm - 4:30 pmSTL-NRT
33h 25m2 stops
Air Canada Logo
6:45 pm - 2:25 pmNRT-STL
34h 40m2 stops
$643Air Canada
Find Deal
Tue, Nov 25 - Tue, Dec 9
Air Canada Logo
4:05 pm - 4:30 pmSTL-NRT
33h 25m2 stops
Air Canada Logo
6:45 pm - 2:25 pmNRT-STL
34h 40m2 stops
$644Air Canada
Find Deal
Sat, Nov 29 - Sat, Dec 6
Air Canada Logo
4:05 pm - 4:20 pmSTL-NRT
33h 15m2 stops
Air Canada Logo
6:45 pm - 10:27 amNRT-STL
30h 42m2 stops
$650Air Canada
Find Deal
Mon, Jan 26 - Fri, Feb 20
Alaska Airlines Logo
7:00 am - 4:00 pmSTL-NRT
18h 00m1 stop
Alaska Airlines Logo
6:30 pm - 3:12 pmNRT-STL
35h 42m1 stop
$676Alaska Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 26
Alaska Airlines Logo
2:55 pm - 4:00 pmSTL-NRT
34h 05m1 stop
Alaska Airlines Logo
6:30 pm - 1:52 pmNRT-STL
34h 22m1 stop
$692Alaska Airlines
Find Deal
Fri, Feb 6 - Thu, Feb 19
Japan Airlines Logo
5:57 am - 2:45 pmSTL-NRT
17h 48m1 stop
Japan Airlines Logo
5:10 pm - 11:08 pmNRT-STL
20h 58m1 stop
$715Japan Airlines
Find Deal
Mon, Feb 9 - Fri, Feb 27
American Airlines Logo
5:15 am - 3:00 pmSTL-NRT
19h 45m1 stop
American Airlines Logo
6:30 pm - 10:50 pmNRT-STL
18h 20m1 stop
$733American Airlines
Find Deal
Mon, Sep 1 - Tue, Sep 9
United Airlines Logo
5:49 pm - 4:30 pmSTL-NRT
32h 41m2 stops
United Airlines Logo
4:40 pm - 8:46 pmNRT-STL
18h 06m2 stops
$738United Airlines
Find Deal
Mon, Sep 8 - Wed, Sep 17
Japan Airlines Logo
6:00 am - 2:40 pmSTL-NRT
17h 40m1 stop
Japan Airlines Logo
5:00 pm - 7:27 pmNRT-STL
17h 27m1 stop
$746Japan Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 26

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
Nov 24
STL6:43 pmLambert-St Louis
30h 47m
2 stops
NRT4:30 pmTokyo Narita
Dec 8
NRT6:45 pmTokyo Narita
34h 40m
2 stops
STL2:25 pmLambert-St Louis
$641
Find similar
Air Canada
Nov 25
STL4:05 pmLambert-St Louis
33h 25m
2 stops
NRT4:30 pmTokyo Narita
Dec 9
NRT6:45 pmTokyo Narita
34h 40m
2 stops
STL2:25 pmLambert-St Louis
$643
Find similar
Air Canada
Nov 29
STL4:05 pmLambert-St Louis
33h 25m
2 stops
NRT4:30 pmTokyo Narita
Dec 6
NRT6:45 pmTokyo Narita
34h 40m
2 stops
STL2:25 pmLambert-St Louis
$644
Find similar

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
Feb 9
STL5:57 amLambert-St Louis
17h 48m
1 stop
NRT2:45 pmTokyo Narita
Feb 27
NRT5:10 pmTokyo Narita
20h 58m
1 stop
STL11:08 pmLambert-St Louis
$715
Find similar
Japan Airlines
Nov 12
STL6:00 amLambert-St Louis
17h 40m
1 stop
NRT2:40 pmTokyo Narita
Nov 26
NRT5:00 pmTokyo Narita
17h 27m
1 stop
STL7:27 pmLambert-St Louis
$746
Find similar
Japan Airlines
Nov 1
STL2:06 pmLambert-St Louis
34h 34m
1 stop
NRT2:40 pmTokyo Narita
Nov 19
NRT5:00 pmTokyo Narita
14h 47m
1 stop
STL4:47 pmLambert-St Louis
$751
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 August 14, 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

Mon 11/24

6:43 pm-4:30 pm

2 stops30h 47m

Tokyo Narita

Mon 12/8

6:45 pm-2:25 pm

2 stops34h 40m

$641

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Tue 11/25

4:05 pm-4:30 pm

2 stops33h 25m

Tokyo Narita

Tue 12/9

6:45 pm-2:25 pm

2 stops34h 40m

$643

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Sat 11/29

4:05 pm-4:30 pm

2 stops33h 25m

Tokyo Narita

Sat 12/6

6:45 pm-2:25 pm

2 stops34h 40m

$644

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 1/26

4:05 pm-4:20 pm

2 stops33h 15m

Tokyo Narita

Fri 2/20

6:45 pm-10:27 am

2 stops30h 42m

$650

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 11/12

7:00 am-4:00 pm

1 stop18h 00m

Tokyo Narita

Wed 11/26

6:30 pm-3:12 pm

1 stop35h 42m

$676

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Fri 2/6

2:55 pm-4:00 pm

1 stop34h 05m

Tokyo Narita

Thu 2/19

6:30 pm-1:52 pm

1 stop34h 22m

$692

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 2/9

5:57 am-2:45 pm

1 stop17h 48m

Tokyo Narita

Fri 2/27

5:10 pm-11:08 pm

1 stop20h 58m

$715

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/1

5:15 am-3:00 pm

1 stop19h 45m

Tokyo Narita

Tue 9/9

6:30 pm-10:50 pm

1 stop18h 20m

$733

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Mon 9/8

5:49 pm-4:30 pm

2 stops32h 41m

Tokyo Narita

Wed 9/17

4:40 pm-8:46 pm

2 stops18h 06m

$738

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

Wed 11/12

6:00 am-2:40 pm

1 stop17h 40m

Tokyo Narita

Wed 11/26

5:00 pm-7:27 pm

1 stop17h 27m

$746

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 October is, on average, the cheapest month to fly to Tokyo Narita Airport from St. Louis, with most prices found around $785. If you are unable to visit Tokyo Narita Airport during the month of October, then departing from St. Louis during the month September is also very affordable. Most momondo users find prices during this month for around $797.

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 2% 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

Best Price Found

$350

Fastest flight time

16h 25m

Direct flights

None
The best one-way flight to Tokyo Narita Airport from St. Louis in the past 72 hours is $350. The best round-trip flight deal from St. Louis to Tokyo Narita Airport found on momondo in the last 72 hours is $641.
The fastest flight from St. Louis to Tokyo Narita Airport takes 16h 25m
There are no direct flights from St. Louis to Tokyo Narita Airport. Popular non-direct route for this connection is Lambert-St Louis Airport - 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. 16h 25m 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
Air CanadaPriceFrom $673Free CancellationRating
7.1
9,949 reviews
Search Air Canada flights
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,545 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $716Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $734Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

Traveling to a place near Tokyo?

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

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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