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Cheap flights from St. Louis to Tokyo from $424

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 8/24. 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

KAYAK's recommended round-trip deals from the most popular airlines that fly from St. Louis to Tokyo.
Air Canada Logo
1:30 pm - 3:25 pmSTL-NRT
35h 55m1 stop
Air Canada Logo
5:35 pm - 12:20 pmNRT-STL
32h 45m2 stops
$694Air Canada
Find Deal
Sun, Sep 21 - Fri, Sep 26
Air Canada Logo
1:30 pm - 3:25 pmSTL-NRT
35h 55m1 stop
Air Canada Logo
5:35 pm - 12:20 pmNRT-STL
32h 45m2 stops
$695Air Canada
Find Deal
Sun, Sep 21 - Fri, Sep 26
Air Canada Logo
5:30 pm - 2:50 pmSTL-NRT
31h 20m2 stops
Air Canada Logo
5:35 pm - 12:20 pmNRT-STL
32h 45m2 stops
$699Air Canada
Find Deal
Sun, Sep 21 - Fri, Sep 26
United Airlines Logo
6:15 am - 3:25 pmSTL-HND
19h 10m1 stop
United Airlines Logo
10:55 pm - 12:27 amHND-STL
15h 32m1 stop
$859United Airlines
Find Deal
Sun, Sep 14 - Fri, Sep 26
United Airlines Logo
5:30 am - 7:00 pmSTL-HND
23h 30m2 stops
United Airlines Logo
3:50 pm - 12:27 amHND-STL
22h 37m1 stop
$860United Airlines
Find Deal
Tue, Sep 16 - Mon, Sep 29
Delta Logo
6:45 am - 4:15 pmSTL-HND
19h 30m1 stop
Delta Logo
4:20 pm - 4:47 pmHND-STL
14h 27m1 stop
$865Delta
Find Deal
Mon, Sep 15 - Thu, Sep 25
Delta Logo
6:30 am - 1:05 pmSTL-HND
16h 35m1 stop
Delta Logo
4:20 pm - 4:47 pmHND-STL
14h 27m1 stop
$905Delta
Find Deal
Mon, Sep 15 - Wed, Sep 24
American Airlines Logo
7:33 am - 4:40 pmSTL-HND
19h 07m1 stop
American Airlines Logo
11:55 am - 3:27 pmHND-STL
17h 32m2 stops
$958American Airlines
Find Deal
Sun, Apr 20 - Tue, May 6
American Airlines Logo
7:04 am - 3:00 pmSTL-NRT
17h 56m1 stop
American Airlines Logo
5:20 pm - 11:04 pmNRT-STL
19h 44m1 stop
$1,008American Airlines
Find Deal
Fri, Apr 25 - Tue, May 6
Japan Airlines Logo
6:52 am - 4:35 pmSTL-NRT
19h 43m1 stop
Japan Airlines Logo
5:20 pm - 11:04 pmNRT-STL
19h 44m1 stop
$1,116Japan Airlines
Find Deal
Sat, May 10 - Tue, May 20

Air Canada flights from St. Louis to Tokyo

Our best Air Canada deals on St. Louis to Tokyo flight tickets
Air Canada
Sep 21
STL1:30 pmLambert-St Louis
35h 55m
1 stop
NRT3:25 pmTokyo Narita
Sep 26
NRT5:35 pmTokyo Narita
32h 45m
2 stops
STL12:20 pmLambert-St Louis
Air Canada
Sep 21
STL1:30 pmLambert-St Louis
35h 55m
1 stop
NRT3:25 pmTokyo Narita
Sep 26
NRT5:35 pmTokyo Narita
32h 45m
2 stops
STL12:20 pmLambert-St Louis
Air Canada
Sep 21
STL5:30 pmLambert-St Louis
31h 20m
2 stops
NRT2:50 pmTokyo Narita
Sep 26
NRT5:35 pmTokyo Narita
32h 45m
2 stops
STL12:20 pmLambert-St Louis

Alaska Airlines flights from St. Louis to Tokyo

Our best Alaska Airlines deals on St. Louis to Tokyo flight tickets
Alaska Airlines
Sep 17
STL6:30 amLambert-St Louis
19h 30m
1 stop
NRT4:00 pmTokyo Narita
Sep 30
NRT6:25 pmTokyo Narita
19h 34m
1 stop
STL11:59 pmLambert-St Louis
Alaska Airlines
Sep 14
STL6:30 amLambert-St Louis
19h 30m
1 stop
NRT4:00 pmTokyo Narita
Sep 24
NRT6:25 pmTokyo Narita
19h 34m
1 stop
STL11:59 pmLambert-St Louis
Alaska Airlines
Sep 15
STL3:17 pmLambert-St Louis
34h 43m
1 stop
NRT4:00 pmTokyo Narita
Sep 30
NRT6:25 pmTokyo Narita
19h 34m
1 stop
STL11:59 pmLambert-St Louis

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 cheapest month to fly to Tokyo?

The cheapest month to fly to Tokyo from St. Louis is in February. Flight prices, which tend to average around $846, are often lower during this time because this is during the off-season. If you’re not able to fly to Tokyo in February, then January is your next best option. Flight prices from St. Louis to Tokyo during January average around $962.

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

The cheapest day to depart on your flight to Tokyo is on a Wednesday when prices can be found for as low as $1,209. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Tokyo on a Friday will generally be more expensive and average around $1,457. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

At noon is the cheapest time of day to fly from St. Louis to Tokyo when you can find flight prices for as low as $1,103. Flying to Tokyo at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Tokyo is in the morning when prices are around $1,308.

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

As of April 2025, prices for St. Louis to Tokyo flights are approximately 46% cheaper 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

Best Price Found

$424

Fastest flight time

14h 44m

Direct flights

None

Airports in Tokyo

2 airports
The best one-way flight to Tokyo from St. Louis in the past 72 hours is $424. The best round-trip flight deal from St. Louis to Tokyo found on momondo in the last 72 hours is $694.
The fastest flight from St. Louis to Tokyo takes 14h 44m
There are no direct flights from St. Louis to Tokyo. Popular non-direct routes for this connection are Lambert-St Louis Airport - Tokyo Haneda Airport and Lambert-St Louis Airport - Tokyo Narita Airport.
There are 2 airports near Tokyo: Tokyo Narita (NRT), Tokyo Haneda (HND)

  • 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 15h 35m.

  • 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
Japan AirlinesPriceFrom $691Free CancellationRating
8.3
1,441 reviews
Search Japan Airlines flights
American AirlinesPriceFrom $716Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $738Free CancellationRating
7.4
8,621 reviews
Search United Airlines flights
DeltaPriceFrom $738Free CancellationRating
8.0
7,901 reviews
Search Delta flights
Air CanadaPriceFrom $858Free CancellationRating
7.0
9,034 reviews
Search Air Canada flights
ANAPriceFrom $880Free CancellationRating
8.3
835 reviews
Search ANA flights

Traveling to a place near Tokyo?

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

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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Find better results for your trip to Japan

Fly into one of these airports located in Tokyo

Airports listed have a maximum distance of 35.1 mi from Tokyo