$430+ Cheap flights from St. Louis (STL) to Japan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Sep 10 — Sep 171
Round-trip
1 adult, Economy
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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 August 11, 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 August 11, 2026.
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:05 pm -
2 stops33h 35m
Tue 12/86:45 pm -
2 stops34h 45m
Deal found 8/10![Air Canada logo]()
$825
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Tue 12/14:05 pm -
2 stops33h 35m
Tue 12/86:15 pm -
2 stops36h 11m
Deal found 8/10![Air Canada logo]()
$833
This FlightHub deal was found by Cheapflights users on 8/7. 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.
Wed 11/256:00 am -
2 stops19h 40m
Thu 12/36:45 pm -
2 stops35h 41m
Deal found 8/7![Air Canada logo]()
$842
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Mon 11/231:08 pm -
2 stops36h 32m
Thu 12/36:45 pm -
2 stops35h 41m
Deal found 8/10![Air Canada logo]()
$843
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Sun 11/14:05 pm -
2 stops57h 25m
Thu 11/126:45 pm -
2 stops35h 41m
Deal found 8/10![Air Canada logo]()
$847
This FlightHub deal was found by Cheapflights users on 8/9. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:34 pm -
2 stops57h 06m
Thu 11/126:45 pm -
2 stops43h 39m
Deal found 8/9![Air Canada logo]()
$902
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:05 pm -
1 stop33h 35m
Tue 12/86:50 pm -
2 stops34h 40m
Deal found 8/10![Air Canada logo]()
$928
This KAYAK deal was found by Cheapflights users on 8/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:55 am -
1 stop16h 55m
Mon 9/145:50 pm -
1 stop16h 30m
Deal found 8/10![ANA logo]()
$930
This KAYAK deal was found by Cheapflights users on 8/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am -
1 stop17h 30m
Tue 9/156:00 pm -
2 stops34h 00m
Deal found 8/9![Asiana Airlines logo]()
$933
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 11/256:00 am -
2 stops19h 40m
Fri 12/46:50 pm -
2 stops35h 51m
Deal found 8/10![Air Canada logo]()
$933
This Expedia deal was found by Cheapflights users on 8/10. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/128:55 am -
2 stops40h 30m
Fri 10/235:50 pm -
2 stops34h 10m
Deal found 8/10![Air Canada logo]()
$933
This Justfly.com deal was found by Cheapflights users on 8/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:05 pm -
2 stops33h 25m
Fri 12/46:45 pm -
2 stops30h 56m
Deal found 8/10![Air Canada logo]()
$937
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 August 11, 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 August 11, 2026.
This Air Canada deal was found by Cheapflights users on 8/10. 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 1/301:08 pm -
2 stops36h 22m
Wed 2/36:45 pm -
2 stops34h 45m
Deal found 8/10![Air Canada logo]()
$839
This Gotogate deal was found by Cheapflights users on 8/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:55 am -
2 stops23h 35m
Wed 9/96:05 pm -
2 stops38h 36m
Deal found 8/10![Multiple Airlines logo]()
$1,036
This KAYAK deal was found by Cheapflights users on 8/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am -
2 stops19h 15m
Tue 9/153:00 pm -
2 stops19h 20m
Deal found 8/9![ANA logo]()
$1,041
This United Airlines deal was found by Cheapflights users on 8/6. 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 11/177:30 am -
1 stop19h 15m
Tue 12/16:20 pm -
1 stop17h 53m
Deal found 8/6![United Airlines logo]()
$1,109
This American Airlines deal was found by Cheapflights users on 8/8. 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 9/156:30 am -
1 stop22h 15m
Tue 9/225:45 pm -
1 stop19h 45m
Deal found 8/8![American Airlines logo]()
$1,112
This Delta deal was found by Cheapflights users on 8/6. 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
Wed 2/175:35 pm -
2 stops21h 04m
Deal found 8/6![Delta logo]()
$1,114
This Cathay Pacific deal was found by Cheapflights users on 8/9. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am -
2 stops41h 40m
Sun 9/135:15 pm -
2 stops44h 28m
Deal found 8/9![Cathay Pacific logo]()
$1,369
This Japan Airlines deal was found by Cheapflights users on 8/7. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/317:04 am -
2 stops23h 36m
Thu 2/45:00 pm -
2 stops32h 51m
Deal found 8/7![Japan Airlines logo]()
$1,846
This Air Canada deal was found by Cheapflights users on 8/6. 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 8/6![Air Canada logo]()
$950
This Gotogate deal was found by Cheapflights users on 8/6. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:55 am -
2 stops19h 15m
Tue 9/2212:50 pm -
2 stops21h 30m
Deal found 8/6![Multiple Airlines logo]()
$1,044
This FlightHub deal was found by Cheapflights users on 8/8. 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 10/1112:10 pm -
2 stops62h 15m
Thu 10/297:25 pm -
2 stops41h 59m
Deal found 8/8![Air Canada logo]()
$960
This Justfly.com deal was found by Cheapflights users on 8/6. 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 9/156:15 am -
2 stops22h 55m
Tue 9/227:30 am -
2 stops18h 27m
Deal found 8/6![ANA logo]()
$1,107
This United Airlines deal was found by Cheapflights users on 8/10. 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 2/16:15 am -
1 stop18h 15m
Fri 2/125:40 pm -
1 stop13h 46m
Deal found 8/10![United Airlines logo]()
$1,109
This Delta deal was found by Cheapflights users on 8/7. 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 8/7![Delta logo]()
$1,114
This American Airlines deal was found by Cheapflights users on 8/7. 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.
Fri 8/288:36 am -
2 stops21h 14m
Fri 9/48:25 am -
2 stops21h 55m
Deal found 8/7![American Airlines logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 8/7. 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 stops37h 15m
Sun 12/202:05 pm -
2 stops40h 21m
Deal found 8/7![Multiple Airlines logo]()
$1,047
This FlightHub deal was found by Cheapflights users on 8/8. 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 stops23h 50m
Tue 9/227:00 am -
2 stops18h 57m
Deal found 8/8![ANA logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 8/6. 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 2/11:08 pm -
3 stops24h 42m
Wed 2/176:25 pm -
2 stops17h 34m
Deal found 8/6![United Airlines logo]()
$1,114
This Mytrip deal was found by Cheapflights users on 8/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2012:10 pm -
2 stops38h 15m
Sun 9/276:00 pm -
2 stops18h 59m
Deal found 8/6![Air Canada logo]()
$1,058
This Delta deal was found by Cheapflights users on 8/10. 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.
Sun 9/67:00 am -
2 stops19h 15m
Sun 9/134:05 pm -
1 stop21h 11m
Deal found 8/10![Delta logo]()
$1,170
This Expedia deal was found by Cheapflights users on 8/6. 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.
Sun 9/208:55 am -
2 stops19h 15m
Sun 9/278:20 pm -
2 stops38h 00m
Deal found 8/6![Multiple Airlines logo]()
$1,113
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1211:25 am -
2 stops40h 00m
Wed 2/312:35 pm -
2 stops21h 54m
Deal found 8/9![United Airlines logo]()
$1,116
This FlightHub deal was found by Cheapflights users on 8/10. 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.
Fri 8/288:50 am -
2 stops34h 30m
Fri 9/48:00 am -
2 stops18h 02m
Deal found 8/10![ANA logo]()
$1,127
This Cathay Pacific deal was found by Cheapflights users on 8/8. 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 9/3011:01 am -
2 stops29h 49m
Wed 10/213:45 pm -
3 stops44h 14m
Deal found 8/8![Cathay Pacific logo]()
$1,375
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 9/38:36 am -
2 stops21h 14m
Thu 9/108:25 am -
2 stops20h 19m
Deal found 8/6![American Airlines logo]()
$1,258
This Delta deal was found by Cheapflights users on 8/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/167:30 am -
2 stops21h 35m
Tue 2/21:45 pm -
2 stops22h 56m
Deal found 8/9![Delta logo]()
$1,175
This United Airlines deal was found by Cheapflights users on 8/9. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/138:25 am -
2 stops43h 00m
Mon 2/112:35 pm -
2 stops40h 55m
Deal found 8/9![United Airlines logo]()
$1,116
This FlightHub deal was found by Cheapflights users on 8/8. 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 8/308:50 am -
2 stops23h 55m
Sun 9/69:00 pm -
2 stops29h 02m
Deal found 8/8![ANA logo]()
$1,172
This Cathay Pacific deal was found by Cheapflights users on 8/8. 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 stops41h 44m
Sat 10/313:30 pm -
3 stops43h 49m
Deal found 8/8![Cathay Pacific logo]()
$1,425
This Air Canada deal was found by Cheapflights users on 8/10. 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 1/234:05 pm -
2 stops36h 35m
Wed 1/273:55 pm -
2 stops38h 31m
Deal found 8/10![Air Canada logo]()
$1,178
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated August 11, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated August 11, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Wed 9/212:10 pm -
1 stop37h 15m
Wed 9/95:50 pm -
2 stops32h 07m
Deal found 8/10![Air Canada logo]()
$944
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/38:55 am -
1 stop16h 55m
Thu 9/105:50 pm -
2 stops32h 07m
Deal found 8/6![Air Canada logo]()
$949
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/36:00 am -
2 stops20h 25m
Thu 9/106:00 pm -
2 stops38h 41m
Deal found 8/6![Air Canada logo]()
$1,029
This KAYAK deal was found by Cheapflights users on 8/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:55 am -
1 stop16h 55m
Mon 9/145:50 pm -
1 stop16h 30m
Deal found 8/10![ANA logo]()
$930
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Mon 9/712:10 pm -
1 stop37h 15m
Mon 9/145:50 pm -
1 stop34h 10m
Deal found 8/10![Air Canada logo]()
$952
This Air Canada deal was found by Cheapflights users on 8/6. 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
Mon 9/285:50 pm -
2 stops34h 10m
Deal found 8/6![Air Canada logo]()
$955
This KAYAK deal was found by Cheapflights users on 8/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/88:55 am -
1 stop17h 30m
Tue 9/156:00 pm -
2 stops34h 00m
Deal found 8/9![Asiana Airlines logo]()
$933
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/1212:10 pm -
2 stops38h 15m
Wed 9/166:00 pm -
2 stops35h 38m
Deal found 8/6![Air Canada logo]()
$986
This Air Canada deal was found by Cheapflights users on 8/10. 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.
Tue 9/1512:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 8/10![Air Canada logo]()
$950
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/178:55 am -
1 stop17h 15m
Wed 9/304:50 pm -
2 stops20h 09m
Deal found 8/6![Air Canada logo]()
$969
This Orbitz deal was found by Cheapflights users on 8/9. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/302:40 pm -
2 stops34h 45m
Sun 10/115:50 pm -
2 stops34h 10m
Deal found 8/9![Air Canada logo]()
$943
This Air Canada deal was found by Cheapflights users on 8/6. 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 9/3012:10 pm -
1 stop37h 15m
Tue 10/65:50 pm -
2 stops32h 23m
Deal found 8/6![Air Canada logo]()
$974
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 August 11, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated August 11, 2026.
This Orbitz deal was found by Cheapflights users on 8/6. 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.
Thu 8/208:55 am -
1 stop17h 30m
Deal found 8/6![Air Canada logo]()
$430
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/1810:35 am -
2 stops38h 50m
Deal found 8/8![Multiple Airlines logo]()
$469
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 8/178:08 pm -
3 stops33h 52m
Deal found 8/7![Multiple Airlines logo]()
$478
This Thrive Travel deal was found by Cheapflights users on 8/6. 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 9/76:35 am -
1 stop19h 25m
Deal found 8/6![Multiple Airlines logo]()
$523
This FlightHub deal was found by Cheapflights users on 8/7. 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 8/176:15 am -
1 stop19h 10m
Deal found 8/7![ANA logo]()
$537
This FlightHub deal was found by Cheapflights users on 8/7. 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 8/179:30 am -
1 stop15h 40m
Deal found 8/7![ANA logo]()
$537
This American Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/209:32 am -
2 stops20h 53m
Deal found 8/6![American Airlines logo]()
$544
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 11/138:10 pm -
2 stops53h 20m
Deal found 8/7![Multiple Airlines logo]()
$563
This Kiwi.com deal was found by Cheapflights users on 8/8. 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 10/1810:35 am -
3 stops48h 20m
Deal found 8/8![Multiple Airlines logo]()
$564
This KAYAK deal was found by Cheapflights users on 8/11. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/73:32 pm -
2 stops32h 23m
Deal found 8/11![Cathay Pacific logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 8/7. 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 11/138:10 pm -
3 stops41h 40m
Deal found 8/7![Multiple Airlines logo]()
$590
This United Airlines deal was found by Cheapflights users on 8/6. 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.
Thu 8/206:59 pm -
3 stops29h 51m
Deal found 8/6![United Airlines logo]()
$594
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 August 11, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $825 (Expedia) |
One-way from | $430 (Orbitz) |
Popular in | December |
Cheapest in | February |
Average price | $1,073 |
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 2,558,603 searches. Data last updated August 11, 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
Sat 1/30
1:08 pm-4:30 pm
2 stops36h 22m
Tokyo Narita
Wed 2/3
6:45 pm-2:30 pm
2 stops34h 45m
$839
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Tue 9/15
12:10 pm-4:25 pm
2 stops38h 15m
Osaka Kansai Intl
Tue 9/22
6:00 pm-6:41 pm
2 stops38h 41m
$950
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 10/11
12:10 pm-4:25 pm
2 stops62h 15m
Osaka Kansai Intl
Thu 10/29
7:25 pm-11:24 pm
2 stops41h 59m
$960
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Tue 9/1
8:55 am-10:30 pm
2 stops23h 35m
Tokyo Haneda
Wed 9/9
6:05 pm-6:41 pm
2 stops38h 36m
$1,036
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Tue 9/8
8:55 am-6:10 pm
2 stops19h 15m
Osaka Itami
Tue 9/15
3:00 pm-8:20 pm
2 stops19h 20m
$1,041
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Tue 9/15
8:55 am-6:10 pm
2 stops19h 15m
Osaka Itami
Tue 9/22
12:50 pm-8:20 pm
2 stops21h 30m
$1,044
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Mon 11/30
4:05 pm-8:20 pm
2 stops37h 15m
Osaka Itami
Sun 12/20
2:05 pm-3:26 pm
2 stops40h 21m
$1,047
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 9/20
12:10 pm-4:25 pm
2 stops38h 15m
Osaka Kansai Intl
Sun 9/27
6:00 pm-10:59 pm
2 stops18h 59m
$1,058
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Tue 9/15
6:15 am-7:10 pm
2 stops22h 55m
Osaka Itami
Tue 9/22
7:30 am-11:57 am
2 stops18h 27m
$1,107
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Tue 11/17
7:30 am-5:45 pm
1 stop19h 15m
Tokyo Haneda
Tue 12/1
6:20 pm-9:13 pm
1 stop17h 53m
$1,109
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-NRT
STL-KIX
STL-ITM
STL-HND
STL-OKA
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-KIX
STL-ITM
STL-HND
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 $819). Flying from St. Louis to Japan in December is currently the most expensive (average of $1,392). 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 August 11, 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.
Boarding
8.4
Entertainment
7.8
Food
7.7
Comfort
8.2
Overall
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Entertainment
7.8
Food
7.7
Comfort
8.2
Overall
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Entertainment
7.8
Food
7.7
Comfort
8.2
Overall
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Entertainment
7.8
Food
7.7
Comfort
8.2
Overall
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Entertainment
7.8
Food
7.7
Comfort
8.2
Overall
8.3
Crew
8.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Entertainment
7.8
Food
7.7
Comfort
8.2
Overall
8.3
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
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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 2,558,603 searches. Data last updated August 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$593 | Average$1,190 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$667 | Average$1,120 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,173 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$739 | Average$1,145 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$785 | Average$1,253 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$846 | Average$1,264 | FlexibilityNo cancel fee | On-time79% |