Cheap flights from St. Louis to Tokyo from $388

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 7/28. 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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Cheap round-trip flights

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ANA Logo
8:50 am - 9:15 pm
STL
-
HND
22h 25m
1 stop
ANA Logo
5:15 pm - 11:57 am
HND
-
STL
32h 42m
1 stop
$1,221ANA
월, 9월 7 - 월, 9월 14
American Airlines Logo
6:42 am - 2:20 pm
STL
-
HND
17h 38m
1 stop
American Airlines Logo
4:30 pm - 7:46 pm
HND
-
STL
17h 16m
1 stop
$1,222American Airlines
일, 9월 6 - 일, 9월 13
American Airlines Logo
5:42 am - 3:00 pm
STL
-
NRT
19h 18m
1 stop
American Airlines Logo
9:45 am - 2:25 pm
NRT
-
STL
18h 40m
1 stop
$1,224American Airlines
일, 9월 6 - 일, 9월 13
United Airlines Logo
5:10 am - 3:25 pm
STL
-
NRT
20h 15m
2 stops
United Airlines Logo
5:25 pm - 11:38 pm
NRT
-
STL
20h 13m
1 stop
$1,228United Airlines
일, 9월 6 - 일, 9월 13
Delta Logo
6:00 am - 4:15 pm
STL
-
HND
20h 15m
2 stops
Delta Logo
3:15 pm - 6:02 pm
HND
-
STL
16h 47m
1 stop
$1,228Delta
일, 9월 6 - 일, 9월 13
United Airlines Logo
12:30 pm - 2:30 pm
STL
-
NRT
36h 00m
1 stop
United Airlines Logo
5:05 pm - 6:38 pm
NRT
-
STL
15h 33m
1 stop
$1,281United Airlines
화, 9월 22 - 수, 10월 7
Multiple Airlines Logo
6:58 pm - 8:00 pm
STL
-
NRT
35h 02m
2 stops
Multiple Airlines Logo
2:35 pm - 11:02 pm
NRT
-
STL
22h 27m
1 stop
$1,282Multiple Airlines
화, 9월 8 - 수, 9월 23
Multiple Airlines Logo
7:34 pm - 4:00 pm
STL
-
NRT
30h 26m
1 stop
Multiple Airlines Logo
6:00 pm - 11:59 pm
NRT
-
STL
19h 59m
1 stop
$1,283Multiple Airlines
금, 9월 11 - 월, 9월 28
Cathay Pacific Logo
7:01 am - 3:55 pm
STL
-
NRT
42h 54m
2 stops
Cathay Pacific Logo
6:20 pm - 11:05 pm
NRT
-
STL
42h 45m
2 stops
$1,285Cathay Pacific
월, 10월 12 - 목, 10월 22
Cathay Pacific Logo
7:01 am - 1:55 pm
STL
-
HND
40h 54m
2 stops
Cathay Pacific Logo
4:20 pm - 11:05 pm
HND
-
STL
44h 45m
2 stops
$1,308Cathay Pacific
수, 10월 7 - 수, 10월 21

Cathay Pacific flights from St. Louis to Tokyo

Our best Cathay Pacific deals on St. Louis to Tokyo flight tickets
Cathay Pacific
Oct 12
STL7:01 amLambert-St Louis
42h 54m
2 stops
NRT3:55 pmTokyo Narita
Oct 22
NRT6:20 pmTokyo Narita
42h 45m
2 stops
STL11:05 pmLambert-St Louis
$1,285
Cathay Pacific
Sep 6
STL6:00 amLambert-St Louis
42h 30m
2 stops
NRT2:30 pmTokyo Narita
Sep 13
NRT5:15 pmTokyo Narita
42h 45m
2 stops
STL10:00 pmLambert-St Louis
$1,292
Cathay Pacific
Oct 12
STL7:01 amLambert-St Louis
40h 54m
2 stops
HND1:55 pmTokyo Haneda
Oct 22
HND4:20 pmTokyo Haneda
44h 45m
2 stops
STL11:05 pmLambert-St Louis
$1,295

WestJet flights from St. Louis to Tokyo

Our best WestJet deals on St. Louis to Tokyo flight tickets
WestJet
May 31
STL6:45 amLambert-St Louis
43h 35m
2 stops
NRT4:20 pmTokyo Narita
Jun 7
NRT6:30 pmTokyo Narita
40h 09m
2 stops
STL8:39 pmLambert-St Louis
$1,614
WestJet
May 27
STL10:19 amLambert-St Louis
40h 01m
2 stops
NRT4:20 pmTokyo Narita
Jun 10
NRT6:30 pmTokyo Narita
18h 53m
2 stops
STL11:23 pmLambert-St Louis
$1,684
WestJet
Jun 1
STL11:25 amLambert-St Louis
38h 55m
2 stops
NRT4:20 pmTokyo Narita
Jun 15
NRT6:30 pmTokyo Narita
42h 53m
2 stops
STL11:23 pmLambert-St Louis
$1,712

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Tokyo 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 5월 18, 2026.
Use the filters below to find and compare flights from St. Louis to Tokyo that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

월 9/7

8:50 am-9:15 pm

1 stop22h 25m

Tokyo Haneda

월 9/14

5:15 pm-11:57 am

1 stop32h 42m

$1,221
Quickest round-trip

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

일 9/6

6:42 am-2:20 pm

1 stop17h 38m

Tokyo Haneda

일 9/13

4:30 pm-7:46 pm

1 stop17h 16m

$1,222

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

일 9/6

5:42 am-3:00 pm

1 stop19h 18m

Tokyo Narita

일 9/13

9:45 am-2:25 pm

1 stop18h 40m

$1,224

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

일 9/6

5:10 am-3:25 pm

2 stops20h 15m

Tokyo Narita

일 9/13

5:25 pm-11:38 pm

1 stop20h 13m

$1,228

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

일 9/6

6:00 am-4:15 pm

2 stops20h 15m

Tokyo Haneda

일 9/13

3:15 pm-6:02 pm

1 stop16h 47m

$1,228

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

화 9/22

12:30 pm-2:30 pm

1 stop36h 00m

Tokyo Narita

수 10/7

5:05 pm-6:38 pm

1 stop15h 33m

$1,281

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

화 9/8

6:58 pm-8:00 pm

2 stops35h 02m

Tokyo Narita

수 9/23

2:35 pm-11:02 pm

1 stop22h 27m

$1,282

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

금 9/11

7:34 pm-4:00 pm

1 stop30h 26m

Tokyo Narita

월 9/28

6:00 pm-11:59 pm

1 stop19h 59m

$1,283

St. LouisTokyo

STL - NRT

STLNRT

Lambert-St Louis

월 10/12

7:01 am-3:55 pm

2 stops42h 54m

Tokyo Narita

목 10/22

6:20 pm-11:05 pm

2 stops42h 45m

$1,285

St. LouisTokyo

STL - HND

STLHND

Lambert-St Louis

수 10/7

7:01 am-1:55 pm

2 stops40h 54m

Tokyo Haneda

수 10/21

4:20 pm-11:05 pm

2 stops44h 45m

$1,308

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

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?

What is the cheapest month to fly to Tokyo?

The cheapest month to fly to Tokyo from St. Louis is in March. Flight prices, which tend to average around $349, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in March, then May is your next best option. Flight prices from St. Louis to Tokyo during May average around $383.

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

You could potentially save up to 11% on your flight if you consider stops on a St. Louis to Tokyo flight.

How have St. Louis to Tokyo flight prices changed over time?

As of May 2026, prices for St. Louis to Tokyo flights are approximately 6% more expensive when compared to flights at the same time last year.

When to book flights from St. Louis to Tokyo

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

Cheap St. Louis to Tokyo (STL to TYO) flight deals and tips

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

Fastest flight time

16h 24m

Direct flights

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

Frequently asked questions about flying from St. Louis to Tokyo

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

    The straight-line distance from Lambert-St Louis to Tokyo is 6388.4 mi. By plane, this route typically takes 16h 24m.

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

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

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

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

    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.

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

    The travel and health documents you'll need for your trip to Tokyo may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Tokyo. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from St. Louis to Tokyo

Compare and see reviews for airlines that fly from St. Louis to Tokyo with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $593Free CancellationRating
7.1
11,650 reviews
Search American Airlines flights
Air CanadaPriceFrom $629Free CancellationRating
7.1
11,059 reviews
Search Air Canada flights
DeltaPriceFrom $727Free CancellationRating
7.9
8,449 reviews
Search Delta flights
United AirlinesPriceFrom $757Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
ANAPriceFrom $777Free CancellationRating
8.3
1,210 reviews
Search ANA flights
Japan AirlinesPriceFrom $846Free CancellationRating
8.3
1,825 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
Izu
Kawasaki
Chiba
Kamakura
Atami
Kusatsu
Yokosuka
Yamanouchi
Saitama
Karuizawa
Fujiyoshida
Tsukuba
Kawagoe
Fujisawa
Numazu
Yamanashi
Minakami
Sagamihara

Why use momondo?

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

It is quick and easy to find St. Louis to Tokyo flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Tokyo that suits you.

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

momondo does allow users to show only those flights to Tokyo from St. Louis which offer a flexible booking policy as well as other useful filters and features.

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

momondo provides multiple filters to help you find the best flight to Tokyo from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of St. Louis to Tokyo flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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1 adult
수 6/17
수 6/24

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Fly into one of these airports located in Tokyo

Airports listed have a maximum distance of 35.1 mi from Tokyo