$395+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Sep 17 — Sep 241
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 18, 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 18, 2026.
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 12/17:04 pm -
2 stops30h 26m
Wed 12/96:15 pm -
2 stops41h 58m
Deal found 8/16![Air Canada logo]()
$819
This Travelocity deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:50 pm -
2 stops30h 40m
Tue 12/86:45 pm -
2 stops32h 21m
Deal found 8/16![Air Canada logo]()
$824
This Air Canada deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” 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
Mon 12/146:45 pm -
2 stops35h 41m
Deal found 8/18![Air Canada logo]()
$836
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/234:05 pm -
2 stops33h 25m
Mon 12/76:45 pm -
2 stops35h 41m
Deal found 8/17![Air Canada logo]()
$839
This Travelocity deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:50 pm -
2 stops30h 50m
Wed 11/186:45 pm -
2 stops30h 47m
Deal found 8/15![Air Canada logo]()
$841
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 11/24:05 pm -
2 stops33h 25m
Tue 11/106:15 pm -
2 stops36h 11m
Deal found 8/16![Air Canada logo]()
$844
This FlightHub deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/34:05 pm -
2 stops33h 25m
Tue 11/106:15 pm -
2 stops36h 11m
Deal found 8/15![Air Canada logo]()
$846
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Sun 11/14:05 pm -
2 stops57h 25m
Thu 11/126:45 pm -
2 stops35h 41m
Deal found 8/13![Air Canada logo]()
$847
This FlightHub deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 11/244:05 pm -
2 stops33h 25m
Sat 12/56:15 pm -
2 stops36h 11m
Deal found 8/17![Air Canada logo]()
$852
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Sun 11/14:05 pm -
2 stops57h 25m
Mon 11/306:45 pm -
2 stops35h 41m
Deal found 8/13![Air Canada logo]()
$855
This FlightHub deal was found by Cheapflights users on 8/13. 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.
Sun 10/1112:10 pm -
2 stops38h 15m
Thu 10/297:25 pm -
2 stops41h 59m
Deal found 8/13![Air Canada logo]()
$878
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Tue 9/1512:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 8/13![Air Canada logo]()
$880
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 18, 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 18, 2026.
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Tue 9/1512:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 8/14![Air Canada logo]()
$880
This Delta deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/226:15 am -
1 stop16h 50m
Wed 9/304:05 pm -
2 stops30h 55m
Deal found 8/17![Delta logo]()
$1,084
This Justfly.com deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![ANA logo]()
$1,106
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 stop16h 45m
Tue 12/15:15 pm -
1 stop21h 10m
Deal found 8/17![United Airlines logo]()
$1,109
This Cathay Pacific deal was found by Cheapflights users on 8/14. 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 11/256:00 am -
2 stops39h 40m
Mon 11/303:00 pm -
2 stops42h 22m
Deal found 8/14![Multiple Airlines logo]()
$1,129
This Cathay Pacific deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/1711:32 am -
2 stops35h 13m
Tue 12/14:00 pm -
2 stops46h 59m
Deal found 8/15![Cathay Pacific logo]()
$1,222
This Korean Air deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3111:13 am -
2 stops32h 12m
Fri 9/49:05 pm -
2 stops38h 58m
Deal found 8/17![Korean Air logo]()
$1,682
This Japan Airlines deal was found by Cheapflights users on 8/14. 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 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 8/14![Japan Airlines logo]()
$1,845
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Fri 9/118:55 am -
2 stops19h 15m
Tue 9/153:00 pm -
2 stops19h 20m
Deal found 8/14![Air Canada logo]()
$1,021
This Delta deal was found by Cheapflights users on 8/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am -
1 stop19h 45m
Wed 9/93:15 pm -
1 stop22h 27m
Deal found 8/13![Delta logo]()
$1,109
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 8/15![United Airlines logo]()
$1,113
This Expedia deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/198:00 am -
2 stops20h 55m
Mon 11/98:20 pm -
2 stops30h 50m
Deal found 8/17![ANA logo]()
$1,159
This Cathay Pacific deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 10/126:04 am -
2 stops34h 46m
Thu 10/229:25 am -
2 stops26h 34m
Deal found 8/16![Multiple Airlines logo]()
$1,178
This Cathay Pacific deal was found by Cheapflights users on 8/14. 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.
Tue 10/67:10 pm -
2 stops36h 25m
Mon 10/124:20 pm -
2 stops45h 39m
Deal found 8/14![Cathay Pacific logo]()
$1,222
This United Airlines deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/157:05 pm -
1 stop18h 45m
Thu 12/36:25 pm -
2 stops17h 34m
Deal found 8/15![United Airlines logo]()
$1,113
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:55 am -
2 stops20h 45m
Tue 9/1512:35 pm -
2 stops39h 25m
Deal found 8/16![Air Canada logo]()
$1,137
This Delta deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/66:00 am -
2 stops20h 15m
Sun 9/136:25 pm -
2 stops18h 51m
Deal found 8/16![Delta logo]()
$1,173
This Cathay Pacific deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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.
Sat 10/3112:46 pm -
2 stops34h 59m
Thu 11/1210:10 am -
2 stops25h 09m
Deal found 8/15![Multiple Airlines logo]()
$1,183
This Cathay Pacific deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 11/176:02 am -
2 stops33h 28m
Tue 12/16:00 pm -
2 stops44h 59m
Deal found 8/15![Cathay Pacific logo]()
$1,222
This United Airlines deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 11/18:00 am -
2 stops29h 50m
Thu 11/126:25 pm -
2 stops17h 34m
Deal found 8/16![United Airlines logo]()
$1,113
This Cathay Pacific deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/81:06 pm -
2 stops36h 59m
Sun 10/185:15 pm -
2 stops44h 44m
Deal found 8/16![Cathay Pacific logo]()
$1,222
This Cathay Pacific deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 55m
Fri 9/1110:05 am -
2 stops27h 38m
Deal found 8/16![Multiple Airlines logo]()
$1,236
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 stops39h 55m
Wed 1/272:15 pm -
2 stops40h 11m
Deal found 8/17![Air Canada logo]()
$1,250
This KAYAK deal was found by Cheapflights users on 8/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/56:15 am -
2 stops21h 50m
Wed 1/207:00 am -
2 stops20h 06m
Deal found 8/14![ANA logo]()
$1,421
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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
Sat 12/58:20 am -
2 stops23h 24m
Deal found 8/17![United Airlines logo]()
$1,177
This Cathay Pacific deal was found by Cheapflights users on 8/14. 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 9/2011:01 am -
2 stops29h 49m
Wed 9/303:45 pm -
3 stops40h 53m
Deal found 8/14![Multiple Airlines logo]()
$1,243
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/102:40 pm -
2 stops39h 00m
Mon 9/1412:35 pm -
2 stops39h 25m
Deal found 8/17![Air Canada logo]()
$1,253
This Cathay Pacific deal was found by Cheapflights users on 8/13. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/46:43 pm -
2 stops28h 57m
Sun 10/183:45 pm -
3 stops46h 14m
Deal found 8/13![Cathay Pacific logo]()
$1,288
This United Airlines deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 10/1911:35 am -
2 stops37h 15m
Mon 11/98:20 am -
3 stops48h 45m
Deal found 8/17![United Airlines logo]()
$1,192
This FlightHub deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 12/141:08 pm -
2 stops28h 02m
Sun 12/208:20 pm -
2 stops31h 06m
Deal found 8/15![ANA logo]()
$1,471
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated August 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated August 18, 2026 and is based on user searches.
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Tue 9/16:54 pm -
2 stops30h 31m
Wed 9/95:50 pm -
1 stop38h 51m
Deal found 8/13![Air Canada logo]()
$891
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 9/66:00 am -
2 stops18h 55m
Tue 9/155:50 pm -
2 stops32h 07m
Deal found 8/16![Air Canada logo]()
$875
This Booking.com deal was found by Cheapflights users on 8/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/612:10 pm -
1 stop37h 15m
Fri 9/115:50 pm -
2 stops34h 25m
Deal found 8/13![Air Canada logo]()
$890
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/66:00 am -
2 stops18h 55m
Sun 9/135:50 pm -
1 stop34h 10m
Deal found 8/17![Air Canada logo]()
$893
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Mon 9/712:10 pm -
1 stop37h 15m
Mon 9/285:50 pm -
2 stops32h 23m
Deal found 8/14![Air Canada logo]()
$878
This Air Canada deal was found by Cheapflights users on 8/13. 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 9/712:10 pm -
1 stop37h 15m
Mon 9/145:50 pm -
1 stop34h 10m
Deal found 8/13![Air Canada logo]()
$882
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 -
1 stop37h 15m
Tue 9/225:50 pm -
2 stops32h 07m
Deal found 8/16![Air Canada logo]()
$874
This Air Canada deal was found by Cheapflights users on 8/13. 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.
Tue 9/1512:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 8/13![Air Canada logo]()
$880
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 pm -
1 stop37h 15m
Wed 9/235:50 pm -
1 stop38h 51m
Deal found 8/17![Air Canada logo]()
$877
This Air Canada deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/1612:10 pm -
2 stops38h 15m
Tue 9/226:00 pm -
2 stops38h 41m
Deal found 8/17![Air Canada logo]()
$888
This Air Canada deal was found by Cheapflights users on 8/14. 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.
Sun 9/2012:10 pm -
1 stop37h 15m
Wed 9/305:50 pm -
2 stops34h 10m
Deal found 8/14![Air Canada logo]()
$885
This Expedia deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” 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 9/218:55 am -
1 stop17h 15m
Mon 9/285:50 pm -
1 stop34h 10m
Deal found 8/15![Air Canada logo]()
$886
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 18, 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 18, 2026.
This Expedia deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/268:55 am -
1 stop16h 55m
Deal found 8/16![Air Canada logo]()
$395
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/2512:10 pm -
2 stops36h 45m
Deal found 8/16![Air Canada logo]()
$402
This Justfly.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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.
Thu 8/278:55 am -
1 stop16h 55m
Deal found 8/16![Air Canada logo]()
$407
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/258:55 am -
2 stops33h 45m
Deal found 8/16![Multiple Airlines logo]()
$412
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/262:40 pm -
2 stops51h 10m
Deal found 8/16![Multiple Airlines logo]()
$413
This Kiwi.com deal was found by Cheapflights users on 8/13. 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.
Mon 9/74:23 pm -
3 stops57h 02m
Deal found 8/13![Multiple Airlines logo]()
$436
This Orbitz deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/262:40 pm -
1 stop35h 00m
Deal found 8/16![Air Canada logo]()
$445
This Kiwi.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” 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 9/1212:17 pm -
3 stops40h 53m
Deal found 8/17![Multiple Airlines logo]()
$450
This FlightHub deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/252:40 pm -
1 stop35h 00m
Deal found 8/16![Air Canada logo]()
$457
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/232:40 pm -
1 stop35h 00m
Deal found 8/16![Air Canada logo]()
$458
This Air Canada deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” 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 8/277:25 am -
2 stops42h 15m
Deal found 8/16![Air Canada logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:35 am -
2 stops37h 20m
Deal found 8/16![Multiple Airlines logo]()
$514
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 18, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $819 (Air Canada) |
One-way from | $395 (Expedia) |
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 2,558,603 searches. Data last updated August 18, 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
$880
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Fri 9/11
8:55 am-6:10 pm
2 stops19h 15m
Osaka Itami
Tue 9/15
3:00 pm-8:20 pm
2 stops19h 20m
$1,021
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Tue 9/22
6:15 am-1:05 pm
1 stop16h 50m
Tokyo Haneda
Wed 9/30
4:05 pm-9:00 am
2 stops30h 55m
$1,084
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
$1,106
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Tue 11/17
7:30 am-3:15 pm
1 stop16h 45m
Tokyo Narita
Tue 12/1
5:15 pm-11:25 pm
1 stop21h 10m
$1,109
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Tue 9/1
6:30 am-4:15 pm
1 stop19h 45m
Tokyo Haneda
Wed 9/9
3:15 pm-11:42 pm
1 stop22h 27m
$1,109
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Mon 2/1
1:08 pm-4:50 am
3 stops24h 42m
Tokyo Haneda
Wed 2/17
6:25 pm-8:59 pm
2 stops17h 34m
$1,113
Quickest round-trip
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 11/15
7:05 pm-4:50 am
1 stop18h 45m
Tokyo Haneda
Thu 12/3
6:25 pm-8:59 pm
2 stops17h 34m
$1,113
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 11/1
8:00 am-4:50 am
2 stops29h 50m
Tokyo Haneda
Thu 11/12
6:25 pm-8:59 pm
2 stops17h 34m
$1,113
St. LouisFukuoka
STL Lambert-St Louis - FUK Fukuoka
STLFUK
Lambert-St Louis
Wed 11/25
6:00 am-12:40 pm
2 stops39h 40m
Fukuoka
Mon 11/30
3:00 pm-6:22 pm
2 stops42h 22m
$1,129
Showing 1-10 of 58 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-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-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 $833). Flying from St. Louis to Japan in June is currently the most expensive (average of $1,403). 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 35 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 18, 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.
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Boarding
8.4
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Boarding
8.4
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Boarding
8.4
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Boarding
8.4
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Boarding
8.4
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Comfort
8.2
Crew
8.7
Overall
8.3
Entertainment
7.8
Boarding
8.4
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Japan
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Complete your trip
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St. Louis and Japan flights
Browse other St. Louis and Japan flight options. Last updated on August 18, 2026.
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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 18, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$593 | Average$1,190 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$667 | Average$1,194 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,174 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$739 | Average$1,148 | 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% |