$380+ Cheap flights from St. Louis (STL) to Japan
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Oct 4 — Oct 111
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Japan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Japan
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Cheapest flights from St. Louis to JapanExplore the most affordable flight options available from St. Louis to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
Explore the most affordable flight options available from St. Louis to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 4, 2026.
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am -
1 stop17h 20m
Tue 9/297:45 pm -
1 stop17h 45m
Deal found 9/1![American Airlines logo]()
$801
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:00 am -
1 stop19h 50m
Wed 9/307:45 pm -
1 stop17h 45m
Deal found 8/31![American Airlines logo]()
$808
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:36 am -
1 stop18h 24m
Wed 9/306:30 pm -
1 stop19h 13m
Deal found 8/31![American Airlines logo]()
$809
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:10 pm -
2 stops62h 15m
Mon 9/286:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$811
This Justfly.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:10 pm -
2 stops36h 45m
Mon 9/285:50 pm -
2 stops35h 53m
Deal found 8/31![Air Canada logo]()
$812
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:40 pm -
1 stop35h 45m
Mon 9/286:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:59 pm -
2 stops36h 26m
Tue 9/295:50 pm -
2 stops32h 23m
Deal found 8/30![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 pm -
2 stops38h 15m
Tue 9/296:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$819
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 am -
2 stops40h 30m
Wed 9/305:50 pm -
2 stops32h 23m
Deal found 8/30![Air Canada logo]()
$820
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:59 pm -
2 stops36h 26m
Mon 9/285:50 pm -
2 stops35h 53m
Deal found 8/30![Air Canada logo]()
$821
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:10 pm -
1 stop37h 15m
Wed 9/305:50 pm -
1 stop38h 51m
Deal found 8/31![Air Canada logo]()
$823
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:40 pm -
1 stop35h 45m
Wed 9/306:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$824
Best flights from St. Louis to JapanDiscover carefully curated flight deals from St. Louis to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
Discover carefully curated flight deals from St. Louis to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 4, 2026.
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates ” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am -
1 stop17h 30m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 9/1![Air Canada logo]()
$831
This Delta deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1510:29 am -
1 stop15h 46m
Sun 9/206:25 pm -
1 stop16h 10m
Deal found 8/31![Delta logo]()
$855
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/74:05 pm -
2 stops37h 20m
Fri 2/197:25 am -
2 stops47h 01m
Deal found 8/30![Multiple Airlines logo]()
$860
This Orbitz deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/242:56 pm -
2 stops40h 44m
Wed 11/49:25 pm -
2 stops28h 07m
Deal found 9/1![ANA logo]()
$933
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:30 am -
2 stops21h 20m
Tue 9/227:25 am -
2 stops18h 50m
Deal found 8/31![American Airlines logo]()
$1,028
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:10 am -
2 stops19h 05m
Tue 10/65:05 pm -
2 stops17h 31m
Deal found 8/30![United Airlines logo]()
$1,084
This oojo deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am -
2 stops23h 20m
Tue 9/228:25 am -
2 stops29h 05m
Deal found 9/3![Japan Airlines logo]()
$1,153
This Cathay Pacific deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:30 am -
2 stops34h 20m
Wed 10/710:00 pm -
2 stops37h 59m
Deal found 9/1![Cathay Pacific logo]()
$1,201
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:00 am -
2 stops20h 45m
Tue 1/264:25 pm -
1 stop16h 36m
Deal found 9/1![Delta logo]()
$871
This Air Canada deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/144:05 pm -
2 stops37h 15m
Thu 2/182:30 pm -
2 stops39h 56m
Deal found 9/2![Air Canada logo]()
$1,001
This Air Canada deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/104:05 pm -
2 stops39h 30m
Wed 2/1712:10 pm -
2 stops42h 16m
Deal found 9/1![Multiple Airlines logo]()
$1,035
This FlightHub deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:15 am -
2 stops21h 55m
Tue 9/223:30 pm -
2 stops36h 45m
Deal found 9/2![ANA logo]()
$1,100
This American Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/195:40 am -
2 stops26h 30m
Mon 11/1612:25 pm -
2 stops20h 51m
Deal found 8/31![American Airlines logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm -
2 stops29h 00m
Thu 11/1210:25 am -
1 stop15h 07m
Deal found 8/31![United Airlines logo]()
$1,113
This oojo deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am -
1 stop22h 15m
Tue 9/225:45 pm -
1 stop19h 45m
Deal found 9/3![Japan Airlines logo]()
$1,161
This Qatar Airways deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/101:15 pm -
3 stops54h 05m
Wed 2/177:50 pm -
3 stops40h 18m
Deal found 9/1![Qatar Airways logo]()
$2,369
This Air Canada deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/64:05 pm -
2 stops37h 15m
Sun 2/212:00 pm -
2 stops40h 26m
Deal found 9/2![Multiple Airlines logo]()
$1,087
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
2 stops21h 45m
Wed 11/44:25 pm -
2 stops19h 44m
Deal found 9/1![Delta logo]()
$1,094
This Cathay Pacific deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:06 pm -
2 stops36h 59m
Sun 10/183:45 pm -
3 stops46h 14m
Deal found 8/30![Cathay Pacific logo]()
$1,217
This FlightHub deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:53 am -
2 stops41h 07m
Mon 11/235:50 pm -
2 stops33h 20m
Deal found 9/1![ANA logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/178:30 am -
1 stop18h 15m
Tue 12/16:20 pm -
1 stop32h 50m
Deal found 9/3![United Airlines logo]()
$1,114
This Air Canada deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/144:05 pm -
2 stops36h 15m
Thu 2/182:05 pm -
2 stops40h 21m
Deal found 9/2![Air Canada logo]()
$1,123
This Cathay Pacific deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/258:47 am -
2 stops37h 13m
Mon 11/304:30 pm -
2 stops46h 29m
Deal found 8/31![Multiple Airlines logo]()
$1,108
This Delta deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:00 am -
1 stop18h 15m
Thu 10/223:15 pm -
1 stop22h 39m
Deal found 9/1![Delta logo]()
$1,113
This Justfly.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:29 pm -
2 stops29h 11m
Thu 10/297:05 am -
2 stops19h 05m
Deal found 9/1![ANA logo]()
$1,115
This United Airlines deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/78:05 am -
2 stops44h 25m
Fri 2/196:35 pm -
1 stop18h 20m
Deal found 8/30![United Airlines logo]()
$1,118
This Cathay Pacific deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:00 am -
2 stops34h 50m
Sun 10/183:45 pm -
3 stops46h 14m
Deal found 8/30![Cathay Pacific logo]()
$1,267
This Air Canada deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/144:05 pm -
2 stops37h 50m
Thu 2/182:15 pm -
2 stops40h 11m
Deal found 9/2![Air Canada logo]()
$1,188
This Cathay Pacific deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1511:01 am -
2 stops29h 39m
Tue 9/227:25 pm -
2 stops37h 13m
Deal found 9/1![Multiple Airlines logo]()
$1,115
This FlightHub deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/199:23 am -
2 stops21h 12m
Tue 9/297:30 am -
2 stops20h 47m
Deal found 8/30![ANA logo]()
$1,123
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated September 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated September 4, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:10 pm -
2 stops36h 45m
Mon 9/285:50 pm -
2 stops35h 53m
Deal found 8/31![Air Canada logo]()
$812
This Air Canada deal was found by Cheapflights users on 8/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/712:10 pm -
1 stop37h 15m
Wed 9/305:50 pm -
1 stop38h 51m
Deal found 8/31![Air Canada logo]()
$823
This American Airlines deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/137:00 am -
1 stop17h 20m
Tue 9/297:45 pm -
1 stop17h 45m
Deal found 9/1![American Airlines logo]()
$801
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:40 pm -
1 stop35h 45m
Mon 9/286:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:59 pm -
2 stops36h 26m
Tue 9/295:50 pm -
2 stops32h 23m
Deal found 8/30![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 pm -
2 stops38h 15m
Tue 9/296:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$819
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:59 pm -
2 stops36h 26m
Mon 9/285:50 pm -
2 stops35h 53m
Deal found 8/30![Air Canada logo]()
$821
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:40 pm -
1 stop35h 45m
Wed 9/306:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$824
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:10 pm -
2 stops62h 15m
Mon 9/286:00 pm -
2 stops41h 21m
Deal found 8/30![Air Canada logo]()
$811
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1912:10 pm -
1 stop37h 15m
Wed 9/305:50 pm -
1 stop38h 51m
Deal found 8/30![Air Canada logo]()
$825
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 am -
2 stops40h 30m
Wed 9/305:50 pm -
2 stops32h 23m
Deal found 8/30![Air Canada logo]()
$820
This Air Canada deal was found by Cheapflights users on 8/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/208:55 am -
2 stops40h 30m
Mon 9/285:50 pm -
2 stops32h 23m
Deal found 8/30![Air Canada logo]()
$824
One-way flights from St. Louis to JapanSearch for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated September 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
2 stops30h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$380
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:44 pm -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$384
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
3 stops33h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$433
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
2 stops27h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$452
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
3 stops34h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/188:10 pm -
2 stops33h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$515
This Thrive Travel deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/146:29 am -
1 stop19h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/284:18 pm -
2 stops38h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$528
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
2 stops34h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 9/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1012:17 pm -
2 stops40h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/1![Multiple Airlines logo]()
$537
This Kiwi.com deal was found by Cheapflights users on 9/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
2 stops58h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/3![Multiple Airlines logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 9/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1512:14 pm -
3 stops35h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/2![Multiple Airlines logo]()
$557
Find flight deals from St. Louis to Japan
Keep the following information in mind while searching for St. Louis to Japan flight deals. Data was last updated September 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $769 (Orbitz) |
One-way from | $380 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $955 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Japan 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, Cheapflights users made 7,457,451 searches. Data last updated September 4, 2026.
Use the filters below to find and compare flights from St. Louis to Japan that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Wed 10/28
6:44 pm-3:05 pm
2 stops30h 21m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$380
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Wed 10/28
6:44 pm-6:40 pm
3 stops33h 56m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$433
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Wed 10/28
6:44 pm-7:00 pm
3 stops34h 16m
Osaka Itami
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$498
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Thu 10/29
1:28 pm-2:25 pm
2 stops34h 57m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$523
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 9/14
6:29 am-4:00 pm
1 stop19h 31m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$523
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Thu 9/10
12:17 pm-7:10 pm
2 stops40h 53m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$537
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 3/1
7:01 pm-3:35 pm
2 stops29h 34m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$568
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Mon 9/14
6:40 am-4:15 pm
1 stop19h 35m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$572
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Mon 3/1
6:45 am-5:45 pm
1 stop20h 00m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$572
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Thu 10/29
1:28 pm-6:40 pm
3 stops39h 12m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$582
Showing 1-10 of 57 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Japan
Have a flexible travel schedule? Discover the best time to fly to Japan from St. Louis with our price prediction graph.
STL-NRT
STL-HND
STL-KIX
STL-ITM
STL-FUK
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Japan
STL-JP0
STL-NRT
STL-HND
STL-KIX
STL-ITM
What is the cheapest month to book a flight from St. Louis to Japan?
Currently, February is the cheapest month in which you can book a flight from St. Louis to Japan (average of $849). Flying from St. Louis to Japan in June is currently the most expensive (average of $1,427). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Reviews of airlines servicing Japan
Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated September 4, 2026.
Read through reviews of airlines operating flights from St. Louis to Japan, such as Japan Airlines,ANA, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.3
Entertainment
7.8
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Entertainment
7.8
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Entertainment
7.8
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Entertainment
7.8
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Entertainment
7.8
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Entertainment
7.8
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Japan
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Complete your trip
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St. Louis and Japan flights
Browse other St. Louis and Japan flight options. Last updated on September 4, 2026.
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St. Louis to Japan flights
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Top 6 airlines flying from St. Louis to Japan
Discover the top 6 airlines that operate flights from St. Louis to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$633 | Average$1,190 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$667 | Average$1,051 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,174 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$739 | Average$1,150 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$785 | Average$1,253 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$846 | Average$1,277 | FlexibilityNo cancel fee | On-time79% |