$455+ Cheap flights from St. Louis (STL) to Japan
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Oct 29 — Nov 51
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Japan with Cheapflights
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from St. Louis to JapanExplore the most affordable flight options available from St. Louis to Japan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 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 September 29, 2026.
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Mon 11/236:50 pm -
2 stops30h 40m
Mon 12/146:45 pm -
2 stops19h 14m
Deal found 9/28![Air Canada logo]()
$940
This Air Canada deal was found by Cheapflights users on 9/28. 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 12/66:30 am -
2 stops19h 10m
Wed 12/96:45 pm -
2 stops32h 37m
Deal found 9/28![Air Canada logo]()
$959
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Sat 12/55:40 pm -
2 stops31h 50m
Wed 12/96:45 pm -
2 stops32h 37m
Deal found 9/28![Air Canada logo]()
$962
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Mon 12/75:25 am -
2 stops20h 05m
Wed 12/96:45 pm -
2 stops32h 37m
Deal found 9/28![Air Canada logo]()
$967
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Sat 12/54:05 pm -
2 stops33h 35m
Fri 12/116:45 pm -
1 stop35h 41m
Deal found 9/28![Air Canada logo]()
$975
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Mon 12/74:05 pm -
2 stops33h 25m
Fri 12/116:45 pm -
1 stop35h 41m
Deal found 9/28![Air Canada logo]()
$979
This Justfly.com deal was found by Cheapflights users on 9/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/294:05 pm -
2 stops57h 35m
Thu 12/36:45 pm -
2 stops32h 37m
Deal found 9/28![Air Canada logo]()
$986
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Mon 11/234:05 pm -
1 stop33h 35m
Mon 12/146:50 pm -
2 stops19h 09m
Deal found 9/28![Air Canada logo]()
$1,043
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
2 stops30h 30m
Thu 11/199:25 pm -
2 stops28h 38m
Deal found 9/27![Multiple Airlines logo]()
$1,063
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Tue 12/85:25 am -
2 stops20h 15m
Thu 12/106:50 pm -
2 stops32h 32m
Deal found 9/28![Air Canada logo]()
$1,065
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am -
1 stop16h 30m
Tue 11/311:10 am -
2 stops45h 30m
Deal found 9/29![Multiple Airlines logo]()
$1,067
This Air Canada deal was found by Cheapflights users on 9/28. 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.
Sat 12/55:15 am -
2 stops20h 15m
Mon 12/76:15 pm -
2 stops36h 11m
Deal found 9/28![Air Canada logo]()
$1,080
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 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 September 29, 2026.
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/85:25 am -
1 stop24h 40m
Fri 2/126:20 pm -
1 stop19h 59m
Deal found 9/29![United Airlines logo]()
$980
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/63:40 pm -
1 stop31h 25m
Tue 2/165:35 pm -
1 stop18h 02m
Deal found 9/29![Delta logo]()
$985
This FlightHub deal was found by Cheapflights users on 9/27. 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.
Mon 2/18:05 am -
2 stops22h 30m
Mon 2/88:30 pm -
2 stops30h 43m
Deal found 9/27![ANA logo]()
$1,109
This Cathay Pacific deal was found by Cheapflights users on 9/25. 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.
Mon 11/97:26 am -
2 stops31h 54m
Mon 11/167:05 pm -
2 stops38h 12m
Deal found 9/25![Multiple Airlines logo]()
$1,115
This Ovago deal was found by Cheapflights users on 9/26. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:26 am -
3 stops41h 09m
Tue 11/173:15 pm -
2 stops40h 28m
Deal found 9/26![Cathay Pacific logo]()
$1,198
This Air Canada deal was found by Cheapflights users on 9/25. 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 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 9/25![Air Canada logo]()
$1,390
This STARLUX Airlines deal was found by Cheapflights users on 9/26. 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 STARLUX Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:28 pm -
2 stops29h 07m
Tue 11/1711:45 am -
2 stops27h 11m
Deal found 9/26![STARLUX Airlines logo]()
$1,479
This Korean Air deal was found by Cheapflights users on 9/28. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/133:40 pm -
2 stops28h 20m
Wed 2/1712:00 pm -
2 stops26h 18m
Deal found 9/28![Korean Air logo]()
$1,887
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:25 am -
2 stops19h 10m
Fri 2/55:00 pm -
2 stops20h 13m
Deal found 9/29![United Airlines logo]()
$984
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/156:59 pm -
1 stop28h 06m
Fri 2/55:20 pm -
1 stop14h 34m
Deal found 9/29![Delta logo]()
$1,085
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/147:33 am -
2 stops43h 52m
Thu 2/182:15 pm -
2 stops18h 51m
Deal found 9/29![United Airlines logo]()
$988
This Priceline deal was found by Cheapflights users on 9/26. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:30 am -
2 stops22h 40m
Tue 11/1712:35 pm -
2 stops20h 34m
Deal found 9/26![ANA logo]()
$1,115
This Qatar Airways deal was found by Cheapflights users on 9/28. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/216:01 am -
3 stops61h 19m
Sun 1/316:55 pm -
3 stops39h 32m
Deal found 9/28![Qatar Airways logo]()
$2,267
This Cathay Pacific deal was found by Cheapflights users on 9/28. 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.
Thu 11/127:26 am -
2 stops31h 54m
Thu 11/195:00 pm -
2 stops38h 44m
Deal found 9/28![Multiple Airlines logo]()
$1,165
This Delta deal was found by Cheapflights users on 9/27. 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.
Mon 10/126:00 am -
1 stop18h 15m
Thu 10/223:15 pm -
1 stop22h 39m
Deal found 9/27![Delta logo]()
$1,089
This FlightHub deal was found by Cheapflights users on 9/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:02 am -
2 stops48h 13m
Mon 10/194:10 pm -
2 stops45h 49m
Deal found 9/29![Cathay Pacific logo]()
$1,221
This United Airlines deal was found by Cheapflights users on 9/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:15 am -
1 stop17h 45m
Fri 10/304:55 pm -
1 stop19h 20m
Deal found 9/26![United Airlines logo]()
$1,089
This Cathay Pacific deal was found by Cheapflights users on 9/25. 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.
Mon 10/196:04 am -
2 stops34h 46m
Fri 10/309:35 pm -
2 stops37h 38m
Deal found 9/25![Multiple Airlines logo]()
$1,207
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/217:30 am -
2 stops34h 55m
Sun 1/318:50 pm -
2 stops32h 15m
Deal found 9/28![ANA logo]()
$1,208
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/105:48 pm -
2 stops32h 57m
Thu 12/105:35 pm -
1 stop17h 57m
Deal found 9/26![Delta logo]()
$1,104
This Cathay Pacific deal was found by Cheapflights users on 9/26. 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.
Tue 11/107:26 am -
2 stops38h 44m
Tue 12/83:30 pm -
3 stops40h 10m
Deal found 9/26![Cathay Pacific logo]()
$1,225
This Air Canada deal was found by Cheapflights users on 9/29. 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 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 9/29![Air Canada logo]()
$1,445
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Sun 10/117:01 pm -
2 stops33h 59m
Fri 10/235:15 pm -
1 stop18h 06m
Deal found 9/28![United Airlines logo]()
$1,094
This Cathay Pacific deal was found by Cheapflights users on 9/26. 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.
Sat 10/3111:31 am -
2 stops28h 59m
Sat 11/149:35 pm -
2 stops37h 44m
Deal found 9/26![Multiple Airlines logo]()
$1,212
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:20 pm -
2 stops29h 15m
Fri 10/305:35 pm -
2 stops20h 19m
Deal found 9/29![Delta logo]()
$1,105
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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.
Tue 11/177:26 am -
2 stops41h 04m
Tue 12/13:30 pm -
3 stops40h 10m
Deal found 9/29![Cathay Pacific logo]()
$1,226
This United Airlines deal was found by Cheapflights users on 9/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/117:01 pm -
2 stops29h 49m
Thu 10/296:35 pm -
2 stops29h 57m
Deal found 9/26![United Airlines logo]()
$1,097
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/298:30 am -
2 stops46h 15m
Thu 11/56:20 pm -
2 stops38h 49m
Deal found 9/28![ANA logo]()
$1,330
This Cathay Pacific deal was found by Cheapflights users on 9/29. 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 stops40h 49m
Mon 11/304:35 pm -
2 stops46h 23m
Deal found 9/29![Multiple Airlines logo]()
$1,214
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:47 am -
1 stop19h 28m
Mon 10/196:25 pm -
1 stop29h 24m
Deal found 9/29![Delta logo]()
$1,106
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated September 29, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated September 29, 2026 and is based on user searches.
This SmartFares deal was found by Cheapflights users on 9/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/58:00 am -
1 stop17h 25m
Tue 10/205:15 pm -
1 stop32h 58m
Deal found 9/28![ANA logo]()
$1,087
This SmartFares deal was found by Cheapflights users on 9/26. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:15 am -
1 stop17h 45m
Tue 10/135:00 pm -
1 stop33h 13m
Deal found 9/26![ANA logo]()
$1,088
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/175:36 pm -
2 stops30h 24m
Thu 10/295:15 pm -
1 stop18h 37m
Deal found 9/29![United Airlines logo]()
$1,094
This Delta deal was found by Cheapflights users on 9/28. 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.
Sat 10/175:38 pm -
1 stop30h 37m
Tue 11/175:35 pm -
1 stop17h 54m
Deal found 9/28![Delta logo]()
$1,095
This FlightHub deal was found by Cheapflights users on 9/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:04 am -
1 stop16h 21m
Fri 10/3010:25 am -
1 stop18h 04m
Deal found 9/29![ANA logo]()
$1,086
This Delta deal was found by Cheapflights users on 9/28. 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.
Mon 10/196:00 am -
1 stop18h 15m
Wed 11/185:20 pm -
1 stop21h 02m
Deal found 9/28![Delta logo]()
$1,089
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:15 am -
1 stop17h 45m
Fri 10/304:55 pm -
1 stop19h 20m
Deal found 9/29![United Airlines logo]()
$1,089
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:21 am -
1 stop16h 44m
Fri 10/305:35 pm -
2 stops20h 19m
Deal found 9/29![Delta logo]()
$1,094
This Mytrip deal was found by Cheapflights users on 9/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:35 pm -
2 stops30h 30m
Thu 11/199:25 pm -
2 stops28h 38m
Deal found 9/27![Multiple Airlines logo]()
$1,063
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am -
1 stop16h 30m
Tue 11/311:10 am -
2 stops45h 30m
Deal found 9/29![Multiple Airlines logo]()
$1,067
This SmartFares deal was found by Cheapflights users on 9/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/278:30 am -
1 stop19h 15m
Tue 11/36:20 pm -
1 stop14h 49m
Deal found 9/27![ANA logo]()
$1,081
This United Airlines deal was found by Cheapflights users on 9/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:30 am -
1 stop20h 15m
Tue 11/36:20 pm -
1 stop14h 49m
Deal found 9/29![United Airlines logo]()
$1,090
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 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 September 29, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Sat 11/77:59 pm -
3 stops48h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$455
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 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 9/29![Multiple Airlines logo]()
$464
This Kiwi.com deal was found by Cheapflights users on 9/25. 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 11/215:59 pm -
3 stops53h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Wed 11/114:18 pm -
2 stops37h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Mon 11/96:44 pm -
2 stops29h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$529
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 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 9/29![Multiple Airlines logo]()
$530
This oojo deal was found by Cheapflights users on 9/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/167:00 am -
2 stops43h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/25![Multiple Airlines logo]()
$541
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/67:59 pm -
2 stops58h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$558
This Kiwi.com deal was found by Cheapflights users on 9/27. 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.
Sat 11/147:59 pm -
2 stops34h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$564
This Kiwi.com deal was found by Cheapflights users on 9/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/57:02 pm -
3 stops56h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![Multiple Airlines logo]()
$635
This Cathay Pacific deal was found by Cheapflights users on 9/28. 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.
Fri 3/125:00 am -
2 stops41h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$684
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Fri 12/114:04 pm -
3 stops49h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$755
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 29, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $925 (Air Canada) |
One-way from | $455 (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 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. 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
$465
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/7
7:59 pm-9:10 pm
2 stops34h 11m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$530
St. LouisSapporo
STL Lambert-St Louis - CTS Sapporo Chitose
STLCTS
Lambert-St Louis
Tue 3/16
7:29 am-2:50 pm
2 stops41h 21m
Sapporo Chitose
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 11/11
8:10 am-1:10 pm
2 stops38h 00m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$561
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Fri 11/6
6:44 pm-9:10 pm
2 stops35h 26m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$565
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Tue 11/10
6:00 am-8:20 pm
2 stops47h 20m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$577
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Tue 11/10
7:26 am-9:15 pm
2 stops46h 49m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$604
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Fri 11/13
7:59 pm-9:10 pm
2 stops34h 11m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$614
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sun 3/28
11:31 am-6:50 am
2 stops29h 19m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$621
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 3/28
7:29 am-1:55 pm
2 stops40h 26m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$635
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-HND
STL-CTS
STL-KIX
STL-NGO
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-HND
STL-CTS
STL-KIX
STL-NGO
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 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.
Food
7.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Food
7.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Food
7.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Food
7.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Food
7.7
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Food
7.7
Overall
8.3
Comfort
8.2
Boarding
8.4
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
Browse other St. Louis and Japan flight options. Last updated on September 29, 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 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$667 | Average$1,171 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,262 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$697 | Average$1,267 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$739 | Average$1,292 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$785 | Average$1,240 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$846 | Average$1,280 | FlexibilityNo cancel fee | On-time79% |