$500+ 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 10/31. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Sep 28 — Oct 51
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
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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 29, 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 29, 2026.
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:55 am -
1 stop16h 55m
Tue 9/155:50 pm -
1 stop38h 51m
Deal found 8/27![Air Canada logo]()
$793
This Justfly.com deal was found by Cheapflights users on 8/27. 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 -
1 stop37h 15m
Mon 9/285:50 pm -
2 stops41h 31m
Deal found 8/27![Air Canada logo]()
$812
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/76:00 am -
2 stops19h 25m
Mon 9/145:50 pm -
2 stops34h 25m
Deal found 8/27![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/27. 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 8/27![Air Canada logo]()
$823
This FlightHub deal was found by Cheapflights users on 8/25. 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 9/2012:10 pm -
1 stop37h 15m
Wed 9/304:50 pm -
2 stops39h 51m
Deal found 8/25![Air Canada logo]()
$825
This Air Canada deal was found by Cheapflights users on 8/26. 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 8/26![Air Canada logo]()
$826
This Justfly.com deal was found by Cheapflights users on 8/24. 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.
Fri 8/2812:10 pm -
1 stop37h 15m
Fri 9/115:50 pm -
2 stops34h 25m
Deal found 8/24![Air Canada logo]()
$826
This FlightHub deal was found by Cheapflights users on 8/25. 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 9/72:40 pm -
2 stops41h 50m
Mon 9/286:05 pm -
2 stops34h 12m
Deal found 8/25![Multiple Airlines logo]()
$887
This Gotogate deal was found by Cheapflights users on 8/27. 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.
Sun 8/308:55 am -
1 stop16h 45m
Tue 9/156:05 pm -
1 stop16h 15m
Deal found 8/27![Air Canada logo]()
$898
This Justfly.com deal was found by Cheapflights users on 8/27. 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 9/72:40 pm -
1 stop35h 00m
Mon 9/286:05 pm -
2 stops35h 38m
Deal found 8/27![Air Canada logo]()
$920
This Justfly.com deal was found by Cheapflights users on 8/25. 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 9/612:10 pm -
2 stops37h 30m
Mon 10/56:05 pm -
2 stops34h 12m
Deal found 8/25![Air Canada logo]()
$924
This Expedia deal was found by Cheapflights users on 8/24. 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.
Fri 8/285:30 pm -
2 stops56h 10m
Fri 9/116:05 pm -
2 stops31h 58m
Deal found 8/24![Air Canada logo]()
$930
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 29, 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 29, 2026.
This Air Canada deal was found by Cheapflights users on 8/24. 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 8/24![Air Canada logo]()
$826
This FlightHub deal was found by Cheapflights users on 8/27. 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 9/1512:59 pm -
2 stops28h 26m
Tue 9/225:40 pm -
2 stops32h 17m
Deal found 8/27![ANA logo]()
$1,098
This United Airlines deal was found by Cheapflights users on 8/25. 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 9/276:00 am -
2 stops23h 00m
Fri 10/95:15 pm -
1 stop15h 46m
Deal found 8/25![United Airlines logo]()
$1,105
This Cathay Pacific deal was found by Cheapflights users on 8/29. 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 11/257:26 am -
2 stops38h 14m
Mon 11/304:30 pm -
2 stops44h 44m
Deal found 8/29![Multiple Airlines logo]()
$1,108
This Delta deal was found by Cheapflights users on 8/24. 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 8/24![Delta logo]()
$1,114
This Alaska Airlines deal was found by Cheapflights users on 8/25. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/63:54 pm -
1 stop32h 31m
Thu 2/185:25 pm -
1 stop21h 19m
Deal found 8/25![Alaska Airlines logo]()
$1,115
This Cathay Pacific deal was found by Cheapflights users on 8/25. 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 2/95:18 pm -
2 stops31h 17m
Wed 2/242:20 pm -
2 stops24h 28m
Deal found 8/25![Cathay Pacific logo]()
$1,223
This oojo deal was found by Cheapflights users on 8/27. 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.
Sat 9/263:34 pm -
2 stops36h 01m
Sat 10/31:30 pm -
2 stops59h 20m
Deal found 8/27![Japan Airlines logo]()
$1,371
This Air Canada deal was found by Cheapflights users on 8/28. 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 8/28![Air Canada logo]()
$1,061
This FlightHub deal was found by Cheapflights users on 8/28. 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 11/186:00 am -
2 stops36h 25m
Thu 12/31:05 pm -
2 stops20h 11m
Deal found 8/28![ANA logo]()
$1,105
This United Airlines deal was found by Cheapflights users on 8/25. 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 8/25![United Airlines logo]()
$1,109
This Delta deal was found by Cheapflights users on 8/27. 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 1/106:45 am -
1 stop20h 00m
Sun 1/245:15 pm -
1 stop21h 03m
Deal found 8/27![Delta logo]()
$1,165
This Cathay Pacific deal was found by Cheapflights users on 8/27. 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
Sun 10/186:30 pm -
2 stops40h 27m
Deal found 8/27![Multiple Airlines logo]()
$1,186
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/176:00 am -
1 stop18h 15m
Tue 12/15:15 pm -
1 stop20h 00m
Deal found 8/28![United Airlines logo]()
$1,109
This Cathay Pacific deal was found by Cheapflights users on 8/28. 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 11/176:44 pm -
2 stops34h 41m
Tue 12/14:00 pm -
2 stops46h 59m
Deal found 8/28![Cathay Pacific logo]()
$1,254
This Qatar Airways deal was found by Cheapflights users on 8/25. 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.
Sun 11/221:21 pm -
3 stops52h 39m
Sun 11/296:00 pm -
3 stops40h 27m
Deal found 8/25![Qatar Airways logo]()
$2,521
This FlightHub deal was found by Cheapflights users on 8/26. 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 2/76:15 am -
2 stops21h 55m
Sat 2/207:30 am -
2 stops18h 11m
Deal found 8/26![ANA logo]()
$1,163
This Delta deal was found by Cheapflights users on 8/25. 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 2/66:59 pm -
1 stop28h 06m
Sat 2/205:35 pm -
1 stop18h 02m
Deal found 8/25![Delta logo]()
$1,165
This Air Canada deal was found by Cheapflights users on 8/27. 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 8/27![Air Canada logo]()
$1,184
This Cathay Pacific deal was found by Cheapflights users on 8/27. 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 9/156:29 am -
3 stops42h 21m
Tue 9/229:05 am -
2 stops23h 33m
Deal found 8/27![Multiple Airlines logo]()
$1,196
This United Airlines deal was found by Cheapflights users on 8/28. 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
Tue 2/166:00 pm -
1 stop18h 13m
Deal found 8/28![United Airlines logo]()
$1,109
This Delta deal was found by Cheapflights users on 8/28. 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.
Wed 1/66:00 am -
2 stops20h 45m
Sun 1/175:35 pm -
1 stop18h 02m
Deal found 8/28![Delta logo]()
$1,169
This Cathay Pacific deal was found by Cheapflights users on 8/25. 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 stops44h 05m
Sun 10/183:45 pm -
3 stops46h 14m
Deal found 8/25![Cathay Pacific logo]()
$1,288
This Cathay Pacific deal was found by Cheapflights users on 8/28. 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 11/82:54 pm -
2 stops31h 16m
Sun 11/223:30 pm -
3 stops47h 29m
Deal found 8/28![Multiple Airlines logo]()
$1,222
This United Airlines deal was found by Cheapflights users on 8/24. 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 8/24![United Airlines logo]()
$1,114
This Air Canada deal was found by Cheapflights users on 8/27. 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 55m
Thu 2/182:15 pm -
2 stops40h 11m
Deal found 8/27![Air Canada logo]()
$1,248
This Japan Airlines deal was found by Cheapflights users on 8/27. 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.
Thu 9/106:00 am -
2 stops25h 20m
Mon 9/1412:10 pm -
2 stops49h 20m
Deal found 8/27![Japan Airlines logo]()
$1,597
This Cathay Pacific deal was found by Cheapflights users on 8/26. 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 stops39h 04m
Fri 10/1610:00 pm -
2 stops39h 59m
Deal found 8/26![Cathay Pacific logo]()
$1,323
This Delta deal was found by Cheapflights users on 8/28. 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 1/86:59 pm -
2 stops29h 06m
Sat 1/235:15 pm -
1 stop14h 39m
Deal found 8/28![Delta logo]()
$1,225
This Cathay Pacific deal was found by Cheapflights users on 8/24. 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 10/196:04 am -
2 stops34h 46m
Fri 10/309:00 am -
2 stops28h 42m
Deal found 8/24![Multiple Airlines logo]()
$1,228
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated August 29, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated August 29, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 8/24. 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.
Fri 8/2812:10 pm -
1 stop37h 15m
Fri 9/115:50 pm -
2 stops34h 25m
Deal found 8/24![Air Canada logo]()
$826
This Expedia deal was found by Cheapflights users on 8/24. 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.
Fri 8/285:30 pm -
2 stops56h 10m
Fri 9/116:05 pm -
2 stops31h 58m
Deal found 8/24![Air Canada logo]()
$930
This Trip.com deal was found by Cheapflights users on 8/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:55 am -
1 stop16h 55m
Tue 9/155:50 pm -
1 stop38h 51m
Deal found 8/27![Air Canada logo]()
$793
This Gotogate deal was found by Cheapflights users on 8/27. 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.
Sun 8/308:55 am -
1 stop16h 45m
Tue 9/156:05 pm -
1 stop16h 15m
Deal found 8/27![Air Canada logo]()
$898
This Justfly.com deal was found by Cheapflights users on 8/25. 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 9/612:10 pm -
2 stops37h 30m
Mon 10/56:05 pm -
2 stops34h 12m
Deal found 8/25![Air Canada logo]()
$924
This Justfly.com deal was found by Cheapflights users on 8/27. 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 -
1 stop37h 15m
Mon 9/285:50 pm -
2 stops41h 31m
Deal found 8/27![Air Canada logo]()
$812
This Air Canada deal was found by Cheapflights users on 8/27. 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 9/76:00 am -
2 stops19h 25m
Mon 9/145:50 pm -
2 stops34h 25m
Deal found 8/27![Air Canada logo]()
$816
This Air Canada deal was found by Cheapflights users on 8/27. 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 8/27![Air Canada logo]()
$823
This FlightHub deal was found by Cheapflights users on 8/25. 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 9/72:40 pm -
2 stops41h 50m
Mon 9/286:05 pm -
2 stops34h 12m
Deal found 8/25![Multiple Airlines logo]()
$887
This Justfly.com deal was found by Cheapflights users on 8/27. 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 9/72:40 pm -
1 stop35h 00m
Mon 9/286:05 pm -
2 stops35h 38m
Deal found 8/27![Air Canada logo]()
$920
This Air Canada deal was found by Cheapflights users on 8/26. 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 8/26![Air Canada logo]()
$826
This FlightHub deal was found by Cheapflights users on 8/25. 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 9/2012:10 pm -
1 stop37h 15m
Wed 9/304:50 pm -
2 stops39h 51m
Deal found 8/25![Air Canada logo]()
$825
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 29, 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 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/317:59 pm -
2 stops52h 56m
Deal found 8/25![Multiple Airlines logo]()
$500
This Kiwi.com deal was found by Cheapflights users on 8/27. 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 1/213:54 pm -
2 stops34h 31m
Deal found 8/27![Multiple Airlines logo]()
$513
This Thrive Travel deal was found by Cheapflights users on 8/27. 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 8/27![Multiple Airlines logo]()
$523
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 10/317:59 pm -
2 stops35h 11m
Deal found 8/25![Multiple Airlines logo]()
$531
This KAYAK deal was found by Cheapflights users on 8/29. 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 9/79:32 am -
2 stops40h 23m
Deal found 8/29![Cathay Pacific logo]()
$555
This Cathay Pacific deal was found by Cheapflights users on 8/29. 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 9/76:35 am -
2 stops41h 20m
Deal found 8/29![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/282:29 pm -
3 stops36h 01m
Deal found 8/28![Multiple Airlines logo]()
$579
This Thrive Travel deal was found by Cheapflights users on 8/24. 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.
Thu 9/246:29 am -
1 stop19h 31m
Deal found 8/24![Multiple Airlines logo]()
$580
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/126:35 pm -
3 stops55h 55m
Deal found 8/28![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 9/2812:17 pm -
2 stops42h 43m
Deal found 8/28![Multiple Airlines logo]()
$594
This Kiwi.com deal was found by Cheapflights users on 8/28. 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 10/121:30 pm -
3 stops58h 05m
Deal found 8/28![Multiple Airlines logo]()
$604
This Kiwi.com deal was found by Cheapflights users on 8/25. 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 12/142:59 pm -
3 stops40h 21m
Deal found 8/25![Multiple Airlines logo]()
$608
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 29, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $823 (Air Canada) |
One-way from | $500 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
Average price | $1,088 |
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 August 29, 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. 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
$826
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Sun 2/14
4:05 pm-8:20 pm
2 stops37h 15m
Osaka Itami
Thu 2/18
2:30 pm-3:26 pm
2 stops39h 56m
$1,061
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Tue 9/15
12:59 pm-7:25 am
2 stops28h 26m
Osaka Itami
Tue 9/22
5:40 pm-11:57 am
2 stops32h 17m
$1,098
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 9/27
6:00 am-7:00 pm
2 stops23h 00m
Tokyo Haneda
Fri 10/9
5:15 pm-7:01 pm
1 stop15h 46m
$1,105
St. LouisOkinawa
STL Lambert-St Louis - OKA Okinawa Naha
STLOKA
Lambert-St Louis
Wed 11/18
6:00 am-9:25 am
2 stops36h 25m
Okinawa Naha
Thu 12/3
1:05 pm-6:16 pm
2 stops20h 11m
$1,105
St. LouisFukuoka
STL Lambert-St Louis - FUK Fukuoka
STLFUK
Lambert-St Louis
Wed 11/25
7:26 am-12:40 pm
2 stops38h 14m
Fukuoka
Mon 11/30
4:30 pm-10:14 pm
2 stops44h 44m
$1,108
Quickest round-trip
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 2/1
6:15 am-3:30 pm
1 stop18h 15m
Tokyo Narita
Fri 2/12
6:00 pm-6:06 pm
1 stop15h 06m
$1,109
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Tue 11/17
6:00 am-3:15 pm
1 stop18h 15m
Tokyo Narita
Tue 12/1
5:15 pm-10:15 pm
1 stop20h 00m
$1,109
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 2/1
6:15 am-3:30 pm
1 stop18h 15m
Tokyo Narita
Tue 2/16
6:00 pm-9:13 pm
1 stop18h 13m
$1,109
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Mon 2/1
5:45 pm-2:35 pm
2 stops29h 50m
Tokyo Haneda
Wed 2/17
5:35 pm-11:39 pm
2 stops21h 04m
$1,114
Showing 1-10 of 47 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-HND
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-KIX
STL-HND
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 August 29, 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
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Food
7.7
Boarding
8.4
Comfort
8.2
Crew
8.7
Entertainment
7.8
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 7,457,451 searches. Data last updated August 29, 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% |