$548+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Dec 10 — Dec 171
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 November 10, 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 November 10, 2026.
This Air Canada deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:05 pm -
2 stops33h 35m
Wed 12/166:45 pm -
1 stop35h 41m
Deal found 11/9![Air Canada logo]()
$893
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:40 pm -
2 stops31h 50m
Sat 12/126:15 pm -
2 stops31h 15m
Deal found 11/9![Air Canada logo]()
$923
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:50 pm -
2 stops30h 40m
Mon 12/76:45 pm -
2 stops35h 41m
Deal found 11/9![Air Canada logo]()
$932
This Air Canada deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/84:05 pm -
2 stops33h 25m
Thu 12/176:15 pm -
2 stops36h 11m
Deal found 11/5![Air Canada logo]()
$938
This Justfly.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:05 pm -
2 stops33h 25m
Wed 12/166:45 pm -
2 stops38h 33m
Deal found 11/6![Air Canada logo]()
$939
This Air Canada deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 12/146:45 pm -
2 stops35h 41m
Deal found 11/9![Air Canada logo]()
$942
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:10 am -
1 stop20h 15m
Wed 12/166:00 pm -
1 stop17h 40m
Deal found 11/9![American Airlines logo]()
$945
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:50 am -
1 stop18h 40m
Thu 12/175:30 pm -
1 stop15h 37m
Deal found 11/5![American Airlines logo]()
$946
This Air Canada deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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
Thu 12/106:15 pm -
2 stops19h 44m
Deal found 11/5![Air Canada logo]()
$948
This Justfly.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/14:05 pm -
2 stops33h 35m
Mon 12/76:45 pm -
2 stops35h 41m
Deal found 11/5![Air Canada logo]()
$949
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:03 am -
2 stops19h 42m
Wed 12/165:35 pm -
2 stops21h 30m
Deal found 11/9![Delta logo]()
$951
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
2 stops22h 50m
Fri 12/42:20 pm -
2 stops23h 00m
Deal found 11/9![Multiple Airlines logo]()
$958
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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/119:05 am -
1 stop17h 40m
Thu 1/216:20 pm -
1 stop16h 08m
Deal found 11/9![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/126:05 am -
1 stop17h 30m
Wed 1/205:20 pm -
1 stop14h 17m
Deal found 11/9![Delta logo]()
$947
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/194:05 pm -
2 stops37h 15m
Wed 1/272:40 pm -
2 stops39h 46m
Deal found 11/9![Multiple Airlines logo]()
$954
This FlightHub deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:02 am -
2 stops24h 13m
Sun 12/208:05 am -
2 stops25h 13m
Deal found 11/8![ANA logo]()
$986
This Justfly.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/110:25 am -
2 stops38h 40m
Fri 4/2310:00 am -
2 stops51h 44m
Deal found 11/7![Cathay Pacific logo]()
$1,221
This Air Canada deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/144:05 pm -
2 stops37h 50m
Thu 2/182:15 pm -
2 stops40h 11m
Deal found 11/5![Air Canada logo]()
$1,243
This American Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:10 am -
2 stops24h 25m
Tue 12/221:40 pm -
2 stops25h 36m
Deal found 11/8![American Airlines logo]()
$1,265
This KAYAK deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:20 pm -
3 stops58h 10m
Sun 12/201:40 pm -
2 stops25h 04m
Deal found 11/6![Japan Airlines logo]()
$1,367
This Qatar Airways deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/171:12 pm -
3 stops53h 08m
Tue 1/266:55 pm -
3 stops39h 32m
Deal found 11/7![Qatar Airways logo]()
$1,729
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/128:05 am -
1 stop16h 10m
Thu 1/216:00 pm -
1 stop14h 50m
Deal found 11/9![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/206:20 am -
2 stops37h 40m
Thu 2/2512:00 pm -
2 stops26h 39m
Deal found 11/9![Delta logo]()
$949
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
2 stops22h 50m
Fri 12/42:20 pm -
2 stops23h 00m
Deal found 11/9![Multiple Airlines logo]()
$958
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:29 am -
2 stops20h 31m
Thu 1/218:00 am -
2 stops17h 35m
Deal found 11/9![ANA logo]()
$1,000
This United Airlines deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/18:52 am -
1 stop15h 43m
Fri 2/126:00 pm -
1 stop20h 22m
Deal found 11/8![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:20 am -
2 stops37h 40m
Mon 2/2212:00 pm -
2 stops47h 53m
Deal found 11/9![Delta logo]()
$949
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/107:29 am -
2 stops20h 31m
Wed 1/202:00 pm -
2 stops18h 13m
Deal found 11/9![ANA logo]()
$1,000
This FlightHub deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:05 pm -
2 stops38h 20m
Wed 1/132:00 pm -
2 stops40h 26m
Deal found 11/6![Multiple Airlines logo]()
$1,040
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/108:05 am -
1 stop16h 10m
Tue 1/196:00 pm -
1 stop14h 50m
Deal found 11/9![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:10 am -
1 stop17h 25m
Wed 2/174:50 pm -
2 stops19h 39m
Deal found 11/8![Delta logo]()
$951
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/67:29 am -
2 stops22h 06m
Thu 1/218:00 am -
2 stops17h 35m
Deal found 11/9![ANA logo]()
$1,001
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/128:05 am -
1 stop16h 10m
Wed 1/206:00 pm -
1 stop14h 50m
Deal found 11/9![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/16:10 am -
2 stops17h 55m
Fri 2/125:35 pm -
2 stops21h 04m
Deal found 11/8![Delta logo]()
$951
This FlightHub deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 1/208:05 am -
2 stops19h 55m
Sun 1/312:00 pm -
2 stops18h 13m
Deal found 11/5![ANA logo]()
$1,031
This United Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/118:05 am -
1 stop16h 10m
Wed 1/206:00 pm -
1 stop14h 50m
Deal found 11/9![United Airlines logo]()
$947
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/234:44 pm -
2 stops51h 16m
Tue 2/2312:00 pm -
2 stops26h 39m
Deal found 11/9![Delta logo]()
$955
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/88:05 am -
2 stops19h 55m
Tue 1/191:00 pm -
2 stops19h 50m
Deal found 11/9![ANA logo]()
$1,038
This United Airlines deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/146:15 am -
2 stops18h 20m
Wed 2/174:55 pm -
2 stops21h 27m
Deal found 11/7![United Airlines logo]()
$951
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/176:00 am -
2 stops20h 45m
Sun 2/145:20 pm -
2 stops21h 19m
Deal found 11/10![Delta logo]()
$975
This KAYAK deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1712:27 pm -
2 stops36h 38m
Sat 5/14:40 pm -
3 stops40h 53m
Deal found 11/9![Cathay Pacific logo]()
$1,575
This Cathay Pacific deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/1310:25 am -
2 stops37h 50m
Sat 3/204:35 pm -
2 stops42h 11m
Deal found 11/9![Multiple Airlines logo]()
$1,335
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated November 10, 2026 and is based on user searches.
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:50 pm -
2 stops30h 40m
Mon 12/76:45 pm -
2 stops35h 41m
Deal found 11/9![Air Canada logo]()
$932
This Justfly.com deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/14:05 pm -
2 stops33h 35m
Mon 12/76:45 pm -
2 stops35h 41m
Deal found 11/5![Air Canada logo]()
$949
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
2 stops22h 50m
Fri 12/42:20 pm -
2 stops23h 00m
Deal found 11/9![Multiple Airlines logo]()
$958
This Air Canada deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/24:05 pm -
1 stop33h 25m
Wed 12/166:45 pm -
1 stop35h 41m
Deal found 11/9![Air Canada logo]()
$893
This American Airlines deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:10 am -
1 stop20h 15m
Wed 12/166:00 pm -
1 stop17h 40m
Deal found 11/9![American Airlines logo]()
$945
This Delta deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/27:03 am -
2 stops19h 42m
Wed 12/165:35 pm -
2 stops21h 30m
Deal found 11/9![Delta logo]()
$951
This Air Canada deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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
Thu 12/106:15 pm -
2 stops19h 44m
Deal found 11/5![Air Canada logo]()
$948
This Justfly.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/55:40 pm -
2 stops31h 50m
Sat 12/126:15 pm -
2 stops31h 15m
Deal found 11/9![Air Canada logo]()
$923
This Air Canada deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure 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
Mon 12/146:45 pm -
2 stops35h 41m
Deal found 11/9![Air Canada logo]()
$942
This Air Canada deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” 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 12/84:05 pm -
2 stops33h 25m
Thu 12/176:15 pm -
2 stops36h 11m
Deal found 11/5![Air Canada logo]()
$938
This Justfly.com deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:05 pm -
2 stops33h 25m
Wed 12/166:45 pm -
2 stops38h 33m
Deal found 11/6![Air Canada logo]()
$939
This American Airlines deal was found by Cheapflights users on 11/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/85:50 am -
1 stop18h 40m
Thu 12/175:30 pm -
1 stop15h 37m
Deal found 11/5![American Airlines logo]()
$946
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 November 10, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/1010:22 pm -
2 stops29h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$548
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/136:30 pm -
3 stops37h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$553
This Delta deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:00 am -
1 stop17h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Delta logo]()
$554
This Cathay Pacific deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/165:00 am -
2 stops45h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$561
This FlightHub deal was found by Cheapflights users on 11/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1712:27 pm -
2 stops34h 28m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Cathay Pacific logo]()
$610
This Kiwi.com deal was found by Cheapflights users on 11/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/46:20 pm -
3 stops53h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Multiple Airlines logo]()
$615
This Cathay Pacific deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1410:25 am -
2 stops29h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$621
This Cathay Pacific deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1410:25 am -
2 stops30h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Multiple Airlines logo]()
$621
This KAYAK deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/285:00 am -
2 stops42h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Cathay Pacific logo]()
$653
This KAYAK deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/285:00 am -
2 stops42h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Cathay Pacific logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 11/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/54:06 pm -
2 stops29h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Multiple Airlines logo]()
$664
This Cathay Pacific deal was found by Cheapflights users on 11/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/1410:25 am -
2 stops44h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Cathay Pacific logo]()
$665
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 November 10, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $873 (Justfly.com) |
One-way from | $548 (Kiwi.com) |
Popular in | December |
Cheapest in | January |
Average price | $1,073 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 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 - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 1/10
10:22 pm-7:15 pm
2 stops29h 53m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$548
St. LouisOkinawa
STL Lambert-St Louis - OKA Okinawa Naha
STLOKA
Lambert-St Louis
Wed 1/13
6:30 pm-10:35 pm
3 stops37h 05m
Okinawa Naha
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$553
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Thu 12/10
6:00 am-2:05 pm
1 stop17h 05m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$554
St. LouisSapporo
STL Lambert-St Louis - CTS Sapporo Chitose
STLCTS
Lambert-St Louis
Tue 3/16
5:00 am-4:00 pm
2 stops45h 00m
Sapporo Chitose
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$561
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sun 3/14
10:25 am-6:20 am
2 stops29h 55m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$621
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sun 3/14
10:25 am-6:30 am
2 stops30h 05m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$621
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Sat 4/17
6:11 pm-2:50 pm
3 stops30h 39m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$633
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 3/28
5:00 am-1:55 pm
2 stops42h 55m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$653
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sun 3/28
5:00 am-1:40 pm
2 stops42h 40m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$653
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sun 3/14
10:25 am-9:15 pm
2 stops44h 50m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$665
Showing 1-10 of 59 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-HND
STL-NGO
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-HND
STL-NGO
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 $873). Flying from St. Louis to Japan in December is currently the most expensive (average of $1,584). 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 November 10, 2026.
Read through reviews of airlines operating flights from St. Louis to Japan, such as Japan Airlines,ANA, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.3
Boarding
8.4
Comfort
8.2
Crew
8.7
Food
7.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Boarding
8.4
Comfort
8.2
Crew
8.7
Food
7.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Boarding
8.4
Comfort
8.2
Crew
8.7
Food
7.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Boarding
8.4
Comfort
8.2
Crew
8.7
Food
7.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Boarding
8.4
Comfort
8.2
Crew
8.7
Food
7.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Overall
8.3
Boarding
8.4
Comfort
8.2
Crew
8.7
Food
7.7
Entertainment
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Japan
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Complete your trip
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St. Louis and Japan flights
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Top 6 airlines flying from St. Louis to Japan
Discover the top 6 airlines that operate flights from St. Louis to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$667 | Average$1,171 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,310 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$739 | Average$1,302 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$747 | Average$1,264 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$785 | Average$1,269 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$958 | Average$1,277 | FlexibilityNo cancel fee | On-time79% |