$437+ 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 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Oct 14 — Oct 211
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Japan with Cheapflights
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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
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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 14, 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 14, 2026.
This Air Canada deal was found by Cheapflights users on 9/9. 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 9/1512:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 9/9![Air Canada logo]()
$901
This Air Canada deal was found by Cheapflights users on 9/13. 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 11/304:05 pm -
2 stops33h 25m
Mon 12/76:45 pm -
2 stops35h 41m
Deal found 9/13![Air Canada logo]()
$937
This Justfly.com deal was found by Cheapflights users on 9/14. 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.
Tue 12/14:05 pm -
2 stops33h 35m
Tue 12/86:15 pm -
2 stops36h 11m
Deal found 9/14![Air Canada logo]()
$940
This Air Canada deal was found by Cheapflights users on 9/12. 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 11/231:08 pm -
2 stops36h 32m
Tue 12/16:45 pm -
2 stops35h 41m
Deal found 9/12![Air Canada logo]()
$982
This Air Canada deal was found by Cheapflights users on 9/12. 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 11/216:50 pm -
2 stops30h 40m
Tue 12/16:45 pm -
2 stops35h 41m
Deal found 9/12![Air Canada logo]()
$985
This Air Canada deal was found by Cheapflights users on 9/12. 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 11/225:28 pm -
2 stops32h 02m
Tue 12/16:45 pm -
2 stops35h 41m
Deal found 9/12![Air Canada logo]()
$990
This Air Canada deal was found by Cheapflights users on 9/11. 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 12/14:05 pm -
2 stops33h 35m
Sun 12/136:15 pm -
2 stops36h 11m
Deal found 9/11![Air Canada logo]()
$1,010
This Expedia deal was found by Cheapflights users on 9/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/304:05 pm -
1 stop33h 35m
Mon 12/76:50 pm -
1 stop35h 36m
Deal found 9/13![Air Canada logo]()
$1,029
This Air Canada deal was found by Cheapflights users on 9/10. 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 11/216:00 am -
2 stops44h 40m
Thu 12/33:20 pm -
2 stops39h 06m
Deal found 9/10![Air Canada logo]()
$1,034
This American Airlines deal was found by Cheapflights users on 9/11. 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 9/294:30 pm -
1 stop16h 37m
Deal found 9/11![American Airlines logo]()
$1,038
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 9/213:32 pm -
1 stop15h 43m
Wed 9/305:15 pm -
1 stop16h 26m
Deal found 9/10![ANA logo]()
$1,039
This Air Canada deal was found by Cheapflights users on 9/10. 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 11/206:50 pm -
2 stops55h 50m
Thu 12/33:20 pm -
2 stops39h 06m
Deal found 9/10![Air Canada logo]()
$1,046
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 14, 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 14, 2026.
This Air Canada deal was found by Cheapflights users on 9/9. 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 10/2412:10 pm -
2 stops39h 30m
Sat 10/317:25 pm -
2 stops36h 32m
Deal found 9/9![Air Canada logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Mon 11/238:40 am -
2 stops19h 35m
Wed 12/26:20 pm -
1 stop19h 39m
Deal found 9/11![United Airlines logo]()
$1,102
This FlightHub deal was found by Cheapflights users on 9/12. 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 2/910:50 am -
2 stops33h 30m
Wed 2/1711:40 am -
2 stops21h 26m
Deal found 9/12![ANA logo]()
$1,109
This Delta deal was found by Cheapflights users on 9/14. 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 2/15:45 pm -
2 stops29h 50m
Fri 2/125:15 pm -
2 stops21h 24m
Deal found 9/14![Delta logo]()
$1,115
This Cathay Pacific deal was found by Cheapflights users on 9/10. 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 10/2511:32 am -
2 stops35h 28m
Sun 11/14:35 pm -
2 stops39h 08m
Deal found 9/10![Multiple Airlines logo]()
$1,159
This FlightHub deal was found by Cheapflights users on 9/11. 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 11/2111:24 am -
2 stops59h 36m
Wed 12/26:00 pm -
1 stop17h 42m
Deal found 9/11![Japan Airlines logo]()
$1,188
This American Airlines deal was found by Cheapflights users on 9/12. 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.
Wed 10/76:32 am -
2 stops23h 18m
Tue 10/201:30 pm -
2 stops22h 29m
Deal found 9/12![American Airlines logo]()
$1,220
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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.
Mon 10/191:06 pm -
2 stops27h 44m
Tue 10/273:30 pm -
3 stops46h 29m
Deal found 9/14![Cathay Pacific logo]()
$1,227
This Qatar Airways deal was found by Cheapflights users on 9/12. 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.
Tue 2/91:15 pm -
3 stops53h 05m
Wed 2/176:55 pm -
3 stops41h 13m
Deal found 9/12![Qatar Airways logo]()
$2,087
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 2/16:15 am -
1 stop18h 15m
Fri 2/126:00 pm -
1 stop15h 06m
Deal found 9/14![United Airlines logo]()
$1,110
This FlightHub deal was found by Cheapflights users on 9/12. 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.
Mon 11/236:15 am -
2 stops23h 05m
Wed 12/29:00 am -
2 stops23h 04m
Deal found 9/12![ANA logo]()
$1,111
This Cathay Pacific deal was found by Cheapflights users on 9/10. 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 10/111:01 am -
2 stops38h 29m
Thu 10/294:35 pm -
2 stops45h 44m
Deal found 9/10![Multiple Airlines logo]()
$1,159
This Delta deal was found by Cheapflights users on 9/10. 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 10/196:00 am -
1 stop18h 15m
Fri 10/305:20 pm -
2 stops20h 34m
Deal found 9/10![Delta logo]()
$1,215
This Expedia deal was found by Cheapflights users on 9/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/231:08 pm -
2 stops41h 42m
Wed 12/29:00 pm -
2 stops30h 10m
Deal found 9/12![ANA logo]()
$1,111
This Cathay Pacific deal was found by Cheapflights users on 9/10. 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 11/177:26 am -
3 stops40h 19m
Wed 12/26:05 pm -
2 stops44h 54m
Deal found 9/10![Cathay Pacific logo]()
$1,230
This United Airlines deal was found by Cheapflights users on 9/10. 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 11/247:05 pm -
1 stop30h 40m
Thu 12/33:20 pm -
2 stops35h 50m
Deal found 9/10![United Airlines logo]()
$1,126
This oojo deal was found by Cheapflights users on 9/13. 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.
Fri 10/167:29 am -
2 stops22h 21m
Mon 10/265:00 pm -
2 stops37h 53m
Deal found 9/13![Japan Airlines logo]()
$1,243
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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 11/2512:56 pm -
2 stops35h 19m
Mon 11/304:35 pm -
2 stops46h 23m
Deal found 9/14![Multiple Airlines logo]()
$1,162
This Air Canada deal was found by Cheapflights users on 9/9. 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 stops36h 35m
Wed 2/1012:35 pm -
2 stops41h 51m
Deal found 9/9![Air Canada logo]()
$1,298
This Delta deal was found by Cheapflights users on 9/12. 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 -
2 stops20h 15m
Thu 10/224:20 pm -
2 stops22h 24m
Deal found 9/12![Delta logo]()
$1,215
This FlightHub deal was found by Cheapflights users on 9/10. 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.
Mon 11/231:08 pm -
2 stops38h 52m
Thu 12/38:00 am -
2 stops19h 10m
Deal found 9/10![ANA logo]()
$1,115
This oojo deal was found by Cheapflights users on 9/11. 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.
Mon 10/267:29 am -
2 stops22h 26m
Mon 11/212:30 pm -
2 stops43h 13m
Deal found 9/11![Japan Airlines logo]()
$1,262
This Cathay Pacific deal was found by Cheapflights users on 9/12. 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 10/411:01 am -
2 stops38h 54m
Sun 10/183:45 pm -
3 stops46h 14m
Deal found 9/12![Cathay Pacific logo]()
$1,277
This Cathay Pacific deal was found by Cheapflights users on 9/14. 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 10/1111:31 am -
2 stops29h 09m
Thu 10/299:50 am -
2 stops27h 52m
Deal found 9/14![Multiple Airlines logo]()
$1,166
This Air Canada deal was found by Cheapflights users on 9/12. 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 9/12![Air Canada logo]()
$1,305
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Mon 10/196:15 am -
1 stop17h 45m
Tue 10/275:15 pm -
1 stop18h 37m
Deal found 9/14![United Airlines logo]()
$1,210
This Delta deal was found by Cheapflights users on 9/12. 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.
Fri 1/296:59 pm -
2 stops28h 36m
Sat 2/135:15 pm -
2 stops21h 24m
Deal found 9/12![Delta logo]()
$1,227
This SmartFares deal was found by Cheapflights users on 9/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/221:08 pm -
2 stops40h 27m
Wed 12/25:50 pm -
2 stops33h 20m
Deal found 9/11![ANA logo]()
$1,122
This Cathay Pacific deal was found by Cheapflights users on 9/11. 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.
Mon 11/236:00 am -
2 stops40h 10m
Wed 12/23:30 pm -
3 stops43h 49m
Deal found 9/11![Cathay Pacific logo]()
$1,280
This Cathay Pacific deal was found by Cheapflights users on 9/12. 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.
Mon 11/236:00 am -
3 stops41h 45m
Wed 12/27:05 pm -
2 stops36h 38m
Deal found 9/12![Multiple Airlines logo]()
$1,185
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated September 14, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated September 14, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 9/9. 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 9/1512:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 9/9![Air Canada logo]()
$901
This FlightHub deal was found by Cheapflights users on 9/10. 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 9/158:30 am -
2 stops20h 25m
Tue 9/229:00 am -
2 stops25h 00m
Deal found 9/10![ANA logo]()
$1,051
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 9/213:32 pm -
1 stop15h 43m
Wed 9/305:15 pm -
1 stop16h 26m
Deal found 9/10![ANA logo]()
$1,039
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Mon 9/218:00 am -
1 stop17h 10m
Wed 9/305:00 pm -
1 stop18h 21m
Deal found 9/10![United Airlines logo]()
$1,052
This Air Canada deal was found by Cheapflights users on 9/12. 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 9/218:55 am -
1 stop17h 15m
Fri 9/255:50 pm -
1 stop38h 51m
Deal found 9/12![Air Canada logo]()
$1,074
This FlightHub deal was found by Cheapflights users on 9/13. 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 10/62:40 pm -
2 stops34h 45m
Sat 10/105:50 pm -
2 stops34h 10m
Deal found 9/13![Air Canada logo]()
$1,113
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Tue 10/69:04 am -
1 stop16h 21m
Tue 10/1310:40 am -
1 stop15h 33m
Deal found 9/10![ANA logo]()
$1,116
This BusinessClass deal was found by Cheapflights users on 9/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/71:06 pm -
2 stops36h 04m
Tue 10/209:05 am -
2 stops26h 54m
Deal found 9/12![Cathay Pacific logo]()
$1,124
This FlightHub deal was found by Cheapflights users on 9/11. 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.
Thu 10/1512:10 pm -
1 stop37h 15m
Mon 10/195:50 pm -
2 stops34h 10m
Deal found 9/11![Air Canada logo]()
$1,118
This Air Canada deal was found by Cheapflights users on 9/13. 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 10/1612:10 pm -
2 stops38h 15m
Mon 10/267:25 pm -
2 stops33h 58m
Deal found 9/13![Air Canada logo]()
$1,115
This Air Canada deal was found by Cheapflights users on 9/9. 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 10/2412:10 pm -
2 stops39h 30m
Sat 10/317:25 pm -
2 stops36h 32m
Deal found 9/9![Air Canada logo]()
$1,096
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Thu 10/294:05 pm -
2 stops35h 35m
Thu 11/57:25 pm -
2 stops35h 01m
Deal found 9/14![Air Canada logo]()
$1,112
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 14, 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 14, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Mon 11/96:44 pm -
3 stops36h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/10![Multiple Airlines logo]()
$437
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 9/11![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 9/10![Multiple Airlines logo]()
$531
This oojo deal was found by Cheapflights users on 9/13. 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.
Mon 3/13:24 pm -
2 stops54h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$556
This Cathay Pacific deal was found by Cheapflights users on 9/12. 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 11/37:26 am -
2 stops32h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Multiple Airlines logo]()
$561
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:00 am -
2 stops40h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Cathay Pacific logo]()
$565
This KAYAK deal was found by Cheapflights users on 9/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/129:51 am -
2 stops38h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Cathay Pacific logo]()
$565
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 1/93:54 pm -
2 stops29h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$581
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Tue 10/612:17 pm -
2 stops41h 43m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$583
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 1/136:00 am -
2 stops40h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Cathay Pacific logo]()
$594
This Gurufare deal was found by Cheapflights users on 9/12. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/32:54 pm -
2 stops38h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Cathay Pacific logo]()
$595
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Tue 1/123:54 pm -
3 stops33h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$598
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 14, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $937 (Air Canada) |
One-way from | $437 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $967 |
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 14, 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. LouisOkinawa
STL Lambert-St Louis - OKA Okinawa Naha
STLOKA
Lambert-St Louis
Mon 11/9
6:44 pm-10:35 pm
3 stops36h 51m
Okinawa Naha
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$437
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sat 11/7
7:59 pm-2:25 pm
2 stops27h 26m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$473
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/7
7:59 pm-9:10 pm
2 stops34h 11m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$531
St. LouisFukuoka
STL Lambert-St Louis - FUK Fukuoka
STLFUK
Lambert-St Louis
Mon 3/1
3:24 pm-1:00 pm
2 stops54h 36m
Fukuoka
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$556
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Tue 11/3
7:26 am-6:30 am
2 stops32h 04m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$561
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Tue 10/6
12:17 pm-8:00 pm
2 stops41h 43m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$583
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Tue 11/3
2:54 pm-8:25 pm
2 stops38h 31m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$595
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 1/11
7:25 am-8:20 pm
2 stops45h 55m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$605
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Wed 1/13
6:00 am-2:05 pm
2 stops41h 05m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$605
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Tue 9/22
6:29 am-4:00 pm
1 stop19h 31m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$610
Showing 1-10 of 48 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-OKA
STL-HND
STL-NRT
STL-FUK
STL-KIX
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-OKA
STL-HND
STL-NRT
STL-FUK
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 $864). Flying from St. Louis to Japan in June is currently the most expensive (average of $1,445). 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.
How far ahead should I book a flight from St. Louis to Japan?
The price you pay for your flight from St. Louis to Japan may vary depending on when you book. For the best chance of a lower fare, look to book 65 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
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 14, 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.
Crew
8.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Entertainment
7.8
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Crew
8.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Entertainment
7.8
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Crew
8.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Entertainment
7.8
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Crew
8.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Entertainment
7.8
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Crew
8.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Entertainment
7.8
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Crew
8.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Entertainment
7.8
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
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Complete your trip
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St. Louis and 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 14, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$667 | Average$1,051 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,188 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$697 | Average$1,214 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$739 | Average$1,263 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$785 | Average$1,240 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$846 | Average$1,277 | FlexibilityNo cancel fee | On-time79% |