$405+ Cheap flights from St. Louis (STL) to Japan
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Oct 23 — Oct 301
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 September 23, 2026.
Explore the most affordable flight options available from St. Louis to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 23, 2026.
This FlightHub deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/304:05 pm -
2 stops33h 35m
Tue 12/86:15 pm -
2 stops36h 11m
Deal found 9/19![Air Canada logo]()
$935
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 9/20![Air Canada logo]()
$976
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/96:50 pm -
2 stops30h 40m
Thu 12/36:45 pm -
2 stops35h 41m
Deal found 9/19![Air Canada logo]()
$979
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/224:05 pm -
1 stop33h 25m
Thu 12/36:45 pm -
2 stops35h 41m
Deal found 9/20![Air Canada logo]()
$980
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/104:05 pm -
2 stops33h 25m
Thu 12/36:45 pm -
2 stops35h 41m
Deal found 9/19![Air Canada logo]()
$983
This Air Canada deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 12/35:25 am -
2 stops20h 05m
Sun 12/136:45 pm -
1 stop35h 41m
Deal found 9/21![Air Canada logo]()
$1,020
This Travelocity deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Mon 11/304:05 pm -
1 stop33h 35m
Tue 12/86:50 pm -
1 stop35h 36m
Deal found 9/19![Air Canada logo]()
$1,024
This Air Canada deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/116:50 pm -
2 stops30h 40m
Tue 12/86:45 pm -
2 stops32h 37m
Deal found 9/22![Air Canada logo]()
$1,043
This Air Canada deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 11/116:50 pm -
2 stops30h 40m
Wed 12/96:45 pm -
2 stops32h 37m
Deal found 9/22![Air Canada logo]()
$1,048
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 11/104:05 pm -
2 stops33h 25m
Tue 11/246:45 pm -
2 stops35h 41m
Deal found 9/20![Air Canada logo]()
$1,049
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/96:50 pm -
2 stops30h 40m
Tue 12/16:45 pm -
2 stops35h 41m
Deal found 9/19![Air Canada logo]()
$1,054
This Air Canada deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 11/104:05 pm -
1 stop33h 35m
Thu 12/36:50 pm -
2 stops32h 32m
Deal found 9/19![Air Canada logo]()
$1,091
Best flights from St. Louis to JapanDiscover carefully curated flight deals from St. Louis to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from St. Louis to Japan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Air Canada deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 2/17:30 am -
2 stops43h 10m
Fri 2/53:20 pm -
2 stops39h 06m
Deal found 9/22![Air Canada logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:15 am -
1 stop18h 15m
Fri 2/126:00 pm -
1 stop15h 06m
Deal found 9/21![United Airlines logo]()
$1,110
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 2/16:00 am -
2 stops20h 45m
Fri 2/125:35 pm -
2 stops21h 04m
Deal found 9/21![Delta logo]()
$1,114
This Cathay Pacific deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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.
Fri 10/307:10 pm -
3 stops29h 35m
Tue 11/37:05 pm -
2 stops36h 38m
Deal found 9/19![Multiple Airlines logo]()
$1,189
This Cathay Pacific deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 3/17:29 am -
2 stops39h 16m
Wed 3/104:00 pm -
2 stops45h 05m
Deal found 9/19![Cathay Pacific logo]()
$1,202
This Expedia deal was found by Cheapflights users on 9/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:29 pm -
2 stops38h 01m
Mon 10/2612:40 pm -
2 stops37h 30m
Deal found 9/18![ANA logo]()
$1,287
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 1/106:30 am -
1 stop17h 05m
Sun 1/315:20 pm -
1 stop14h 34m
Deal found 9/22![Delta logo]()
$1,156
This Qatar Airways deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/512:33 pm -
3 stops53h 47m
Wed 1/207:50 pm -
3 stops37h 39m
Deal found 9/20![Qatar Airways logo]()
$2,361
This Cathay Pacific deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:26 am -
2 stops46h 49m
Tue 12/14:00 pm -
2 stops39h 40m
Deal found 9/21![Cathay Pacific logo]()
$1,202
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:06 pm -
2 stops27h 44m
Fri 10/309:35 pm -
2 stops37h 38m
Deal found 9/18![Multiple Airlines logo]()
$1,208
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/127:08 am -
1 stop17h 52m
Thu 10/225:00 pm -
1 stop18h 21m
Deal found 9/19![United Airlines logo]()
$1,210
This FlightHub deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 1/51:09 pm -
2 stops33h 21m
Wed 1/2010:25 am -
2 stops22h 43m
Deal found 9/20![ANA logo]()
$1,293
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/177:26 am -
2 stops39h 19m
Tue 11/244:00 pm -
2 stops46h 59m
Deal found 9/18![Cathay Pacific logo]()
$1,203
This Cathay Pacific deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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
Sun 10/1810:00 pm -
2 stops39h 46m
Deal found 9/20![Multiple Airlines logo]()
$1,208
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 10/116:47 am -
1 stop19h 28m
Fri 10/236:25 pm -
2 stops19h 29m
Deal found 9/21![Delta logo]()
$1,214
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/45:10 am -
1 stop19h 35m
Thu 10/154:45 pm -
2 stops17h 51m
Deal found 9/19![United Airlines logo]()
$1,214
This Air Canada deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/134:05 pm -
2 stops40h 10m
Wed 2/172:20 pm -
2 stops40h 06m
Deal found 9/20![Air Canada logo]()
$1,390
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/36:30 am -
2 stops40h 15m
Wed 3/104:00 pm -
2 stops46h 44m
Deal found 9/18![Cathay Pacific logo]()
$1,203
This Cathay Pacific deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Fri 11/67:26 am -
2 stops40h 49m
Fri 11/134:35 pm -
2 stops43h 07m
Deal found 9/21![Multiple Airlines logo]()
$1,209
This United Airlines deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/114:39 pm -
2 stops32h 11m
Thu 10/296:35 pm -
1 stop37h 30m
Deal found 9/19![United Airlines logo]()
$1,226
This Delta deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 1/276:30 am -
1 stop17h 05m
Tue 4/273:15 pm -
1 stop16h 46m
Deal found 9/22![Delta logo]()
$1,233
This Air Canada deal was found by Cheapflights users on 9/17. 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 2/64:05 pm -
2 stops36h 35m
Wed 2/1012:35 pm -
2 stops41h 51m
Deal found 9/17![Air Canada logo]()
$1,436
This Expedia deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Thu 11/57:30 am -
2 stops43h 10m
Thu 11/1212:40 pm -
2 stops43h 19m
Deal found 9/21![ANA logo]()
$1,451
This Cathay Pacific deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 10/2811:32 am -
2 stops37h 38m
Wed 11/49:25 am -
2 stops25h 54m
Deal found 9/19![Cathay Pacific logo]()
$1,205
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/26:30 am -
2 stops40h 15m
Thu 3/1110:10 am -
2 stops26h 55m
Deal found 9/18![Multiple Airlines logo]()
$1,211
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 2/167:06 pm -
1 stop30h 39m
Thu 2/256:35 pm -
1 stop18h 20m
Deal found 9/21![United Airlines logo]()
$1,256
This Cathay Pacific deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1111:31 am -
2 stops29h 09m
Thu 10/297:05 pm -
2 stops39h 52m
Deal found 9/22![Multiple Airlines logo]()
$1,216
This Cathay Pacific deal was found by Cheapflights users on 9/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/2911:32 am -
2 stops28h 58m
Fri 11/138:50 am -
2 stops26h 32m
Deal found 9/18![Cathay Pacific logo]()
$1,252
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/57:08 am -
1 stop17h 52m
Mon 10/194:45 pm -
2 stops17h 51m
Deal found 9/18![United Airlines logo]()
$1,264
This Cathay Pacific deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 stops40h 00m
Mon 11/304:35 pm -
2 stops46h 23m
Deal found 9/21![Multiple Airlines logo]()
$1,235
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated September 23, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/289:04 am -
1 stop22h 11m
Thu 12/310:25 am -
1 stop16h 57m
Deal found 9/21![ANA logo]()
$1,104
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 9/289:04 am -
1 stop16h 06m
Fri 12/45:05 pm -
1 stop15h 00m
Deal found 9/21![ANA logo]()
$1,108
This Delta deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 9/2810:29 am -
1 stop15h 46m
Wed 12/25:20 pm -
1 stop15h 53m
Deal found 9/21![Delta logo]()
$1,110
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/285:10 am -
2 stops19h 05m
Thu 12/36:00 pm -
1 stop15h 16m
Deal found 9/21![United Airlines logo]()
$1,110
This Justfly.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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 9/298:00 am -
1 stop17h 25m
Fri 12/410:25 am -
1 stop16h 57m
Deal found 9/21![ANA logo]()
$1,106
This United Airlines deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:08 am -
2 stops23h 52m
Fri 12/44:25 pm -
1 stop20h 50m
Deal found 9/21![United Airlines logo]()
$1,114
This Kiwi.com deal was found by Cheapflights users on 9/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/69:04 am -
1 stop16h 21m
Tue 10/135:15 pm -
1 stop15h 46m
Deal found 9/18![ANA logo]()
$1,107
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:08 am -
1 stop17h 52m
Tue 10/135:05 pm -
1 stop15h 38m
Deal found 9/18![United Airlines logo]()
$1,131
This Delta deal was found by Cheapflights users on 9/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:00 am -
2 stops19h 15m
Tue 10/134:05 pm -
1 stop21h 16m
Deal found 9/18![Delta logo]()
$1,136
This KAYAK deal was found by Cheapflights users on 9/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/148:48 am -
2 stops41h 17m
Wed 10/289:35 pm -
2 stops40h 24m
Deal found 9/18![Multiple Airlines logo]()
$1,123
This FlightHub deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/206:04 am -
2 stops41h 36m
Mon 10/269:35 pm -
2 stops40h 24m
Deal found 9/21![Multiple Airlines logo]()
$1,136
This FlightHub deal was found by Cheapflights users on 9/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/226:04 am -
2 stops34h 46m
Wed 10/289:35 pm -
2 stops40h 24m
Deal found 9/18![Multiple Airlines logo]()
$1,128
One-way flights from St. Louis to JapanSearch for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/412:02 pm -
2 stops36h 03m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$405
This Mytrip deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” 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.
Mon 11/96:44 pm -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$414
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/66:44 pm -
2 stops29h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$415
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
3 stops51h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$431
This Trip.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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.
Mon 12/77:54 pm -
2 stops27h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$461
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/57:54 pm -
2 stops27h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$479
This Kiwi.com deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” 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 2/17:02 pm -
2 stops55h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Multiple Airlines logo]()
$480
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/86:13 pm -
2 stops53h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$484
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:44 pm -
3 stops57h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$527
This Kiwi.com deal was found by Cheapflights users on 9/20. Clicking the “Pick Dates” 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 12/77:54 pm -
2 stops34h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$530
This Kiwi.com deal was found by Cheapflights users on 9/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/77:59 pm -
2 stops34h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Multiple Airlines logo]()
$531
This Kiwi.com deal was found by Cheapflights users on 9/22. Clicking the “Pick Dates” 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 12/57:54 pm -
2 stops34h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$533
Find flight deals from St. Louis to Japan
Keep the following information in mind while searching for St. Louis to Japan flight deals. Data was last updated September 23, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $935 (FlightHub) |
One-way from | $405 (Kiwi.com) |
Popular in | June |
Cheapest in | February |
Average price | $970 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 23, 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
Fri 12/4
12:02 pm-3:05 pm
2 stops36h 03m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$405
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sat 11/7
7:59 pm-2:25 pm
2 stops27h 26m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$473
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 2/1
7:02 pm-5:40 pm
2 stops55h 38m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$480
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Mon 11/9
12:14 pm-3:05 pm
3 stops35h 51m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$497
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sun 11/8
12:14 pm-3:05 pm
3 stops59h 51m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$525
St. LouisFukuoka
STL Lambert-St Louis - FUK Fukuoka
STLFUK
Lambert-St Louis
Wed 10/28
6:44 pm-5:55 pm
3 stops57h 11m
Fukuoka
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$527
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/7
7:59 pm-12:55 am
3 stops37h 56m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$550
St. LouisSapporo
STL Lambert-St Louis - CTS Sapporo Chitose
STLCTS
Lambert-St Louis
Tue 3/16
3:24 pm-2:50 pm
2 stops57h 26m
Sapporo Chitose
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$556
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Mon 11/16
7:26 am-1:45 pm
2 stops39h 19m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$561
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Wed 10/28
11:32 am-6:30 am
2 stops28h 58m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$561
Showing 1-10 of 60 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-CTS
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-CTS
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 $835). 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.
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 66 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Japan
Get insights into the airlines that provide service to Japan. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Japan. Reviews last updated September 23, 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
Crew
8.7
Overall
8.3
Entertainment
7.8
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Crew
8.7
Overall
8.3
Entertainment
7.8
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Crew
8.7
Overall
8.3
Entertainment
7.8
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Crew
8.7
Overall
8.3
Entertainment
7.8
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Crew
8.7
Overall
8.3
Entertainment
7.8
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Boarding
8.4
Crew
8.7
Overall
8.3
Entertainment
7.8
Food
7.7
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Japan
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Complete your trip
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St. Louis and Japan flights
Browse other St. Louis and Japan flight options. Last updated on September 23, 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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$667 | Average$1,171 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,188 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$697 | Average$1,267 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$739 | Average$1,263 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$785 | Average$1,240 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$846 | Average$1,277 | FlexibilityNo cancel fee | On-time79% |