$529+ 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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Dec 4 — Dec 111
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 November 4, 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 4, 2026.
This Justfly.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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
Thu 12/176:15 pm -
2 stops36h 11m
Deal found 11/1![Air Canada logo]()
$780
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/86:03 am -
1 stop18h 02m
Fri 1/295:20 pm -
1 stop14h 17m
Deal found 10/31![Delta logo]()
$825
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/85:25 am -
1 stop18h 50m
Thu 12/175:50 pm -
1 stop19h 40m
Deal found 11/1![United Airlines logo]()
$825
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/66:00 am -
2 stops20h 45m
Fri 1/295:35 pm -
2 stops20h 51m
Deal found 10/31![Delta logo]()
$829
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/55:05 pm -
1 stop30h 15m
Thu 1/284:25 pm -
1 stop20h 24m
Deal found 10/31![United Airlines logo]()
$830
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/65:50 pm -
2 stops31h 55m
Thu 12/106:35 pm -
2 stops30h 55m
Deal found 10/31![United Airlines logo]()
$832
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/66:03 am -
1 stop18h 02m
Mon 2/15:20 pm -
1 stop14h 17m
Deal found 10/31![Delta logo]()
$843
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/76:05 pm -
2 stops30h 00m
Sun 1/315:35 pm -
1 stop18h 15m
Deal found 10/31![Delta logo]()
$847
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/53:32 pm -
1 stop32h 33m
Sat 1/305:20 pm -
1 stop14h 12m
Deal found 10/31![Delta logo]()
$848
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Fri 12/48:30 am -
1 stop17h 20m
Tue 2/24:50 pm -
1 stop17h 37m
Deal found 10/31![United Airlines logo]()
$851
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/17:03 am -
2 stops19h 42m
Sun 12/134:25 pm -
1 stop22h 01m
Deal found 11/2![Delta logo]()
$855
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/303:30 pm -
1 stop32h 35m
Mon 12/75:20 pm -
1 stop15h 53m
Deal found 11/1![Delta logo]()
$856
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 4, 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 4, 2026.
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 2/16:59 pm -
1 stop28h 06m
Fri 2/125:20 pm -
1 stop20h 04m
Deal found 11/1![Delta logo]()
$825
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 12/86:30 am -
1 stop20h 15m
Thu 12/176:25 pm -
1 stop25h 41m
Deal found 11/1![United Airlines logo]()
$825
This KAYAK deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Tue 1/199:05 am -
2 stops20h 30m
Wed 1/272:30 pm -
2 stops23h 50m
Deal found 11/1![ANA logo]()
$897
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Sun 1/177:01 am -
2 stops24h 19m
Tue 1/261:40 pm -
2 stops24h 56m
Deal found 11/1![American Airlines logo]()
$954
This Japan Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/68:10 am -
1 stop20h 00m
Thu 12/106:00 pm -
1 stop17h 40m
Deal found 10/31![Japan Airlines logo]()
$1,203
This American Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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.
Sun 11/156:00 am -
2 stops22h 50m
Sat 11/212:25 pm -
2 stops24h 33m
Deal found 11/1![Multiple Airlines logo]()
$1,283
This Ovago deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” 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.
Wed 1/136:01 am -
2 stops39h 59m
Sun 1/172:15 pm -
2 stops37h 27m
Deal found 11/4![Cathay Pacific logo]()
$1,377
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 2/16:20 am -
1 stop20h 25m
Wed 2/175:20 pm -
1 stop20h 04m
Deal found 11/2![Delta logo]()
$825
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 2/15:00 am -
2 stops19h 35m
Fri 2/55:30 pm -
2 stops20h 00m
Deal found 10/30![United Airlines logo]()
$829
This Qatar Airways deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/1![Qatar Airways logo]()
$1,729
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/11:17 pm -
3 stops36h 28m
Fri 2/56:35 pm -
2 stops31h 00m
Deal found 10/30![United Airlines logo]()
$832
This Delta deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 2/26:00 am -
1 stop17h 05m
Mon 2/85:35 pm -
1 stop18h 15m
Deal found 10/30![Delta logo]()
$843
This American Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 55m
Tue 12/84:25 pm -
2 stops22h 09m
Deal found 11/3![American Airlines logo]()
$956
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/195:00 am -
2 stops20h 45m
Wed 1/276:35 pm -
2 stops32h 38m
Deal found 11/1![United Airlines logo]()
$832
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/15:45 pm -
2 stops29h 50m
Sun 2/285:35 pm -
1 stop18h 18m
Deal found 11/1![Delta logo]()
$847
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 2/15:00 am -
2 stops19h 35m
Fri 2/125:30 pm -
2 stops18h 24m
Deal found 11/1![United Airlines logo]()
$835
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/1610:53 am -
2 stops57h 07m
Sat 1/2312:00 pm -
2 stops26h 26m
Deal found 10/31![Delta logo]()
$851
This United Airlines deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” 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 2/25:00 am -
1 stop19h 15m
Mon 2/85:05 pm -
1 stop21h 06m
Deal found 10/30![United Airlines logo]()
$843
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/297:18 pm -
2 stops28h 17m
Wed 12/94:50 pm -
2 stops19h 38m
Deal found 11/2![Delta logo]()
$882
This Japan Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/65:50 am -
2 stops37h 30m
Thu 12/108:55 am -
2 stops26h 45m
Deal found 10/31![Japan Airlines logo]()
$1,343
This United Airlines deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 1/265:00 am -
1 stop19h 15m
Mon 2/15:15 pm -
1 stop19h 44m
Deal found 11/1![United Airlines logo]()
$843
This KAYAK deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/251:08 pm -
2 stops29h 17m
Mon 11/308:50 pm -
2 stops36h 26m
Deal found 11/3![ANA logo]()
$1,358
This KAYAK deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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.
Tue 12/17:26 am -
3 stops41h 09m
Wed 1/139:35 am -
2 stops25h 26m
Deal found 11/3![Cathay Pacific logo]()
$1,477
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Wed 1/208:05 am -
2 stops24h 10m
Wed 1/272:20 pm -
2 stops20h 08m
Deal found 10/31![United Airlines logo]()
$846
This Gurufare deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:27 am -
2 stops21h 43m
Thu 12/1712:45 pm -
2 stops20h 22m
Deal found 11/1![Japan Airlines logo]()
$1,436
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/198:30 am -
2 stops23h 45m
Wed 1/272:20 pm -
2 stops35h 15m
Deal found 10/31![United Airlines logo]()
$846
This Cathay Pacific deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 12/16:00 am -
3 stops41h 45m
Tue 12/87:05 pm -
2 stops36h 35m
Deal found 11/3![Cathay Pacific logo]()
$1,526
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/245:42 pm -
2 stops30h 23m
Sun 1/316:00 pm -
1 stop16h 28m
Deal found 10/31![United Airlines logo]()
$847
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 1/166:45 pm -
2 stops37h 30m
Sun 1/2412:10 pm -
2 stops22h 18m
Deal found 10/31![United Airlines logo]()
$859
This BusinessClass deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/158:30 am -
2 stops21h 20m
Tue 12/227:45 am -
2 stops25h 33m
Deal found 10/31![ANA logo]()
$1,996
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated November 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated November 4, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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 11/303:30 pm -
1 stop32h 35m
Mon 12/75:20 pm -
1 stop15h 53m
Deal found 11/1![Delta logo]()
$856
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/17:03 am -
2 stops19h 42m
Sun 12/134:25 pm -
1 stop22h 01m
Deal found 11/2![Delta logo]()
$855
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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.
Fri 12/48:30 am -
1 stop17h 20m
Wed 1/274:50 pm -
1 stop17h 37m
Deal found 10/31![United Airlines logo]()
$851
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/56:55 pm -
1 stop31h 50m
Wed 1/276:20 pm -
1 stop16h 08m
Deal found 10/31![United Airlines logo]()
$830
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/53:32 pm -
1 stop32h 33m
Sat 1/305:20 pm -
1 stop14h 12m
Deal found 10/31![Delta logo]()
$848
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/66:00 am -
2 stops20h 45m
Fri 1/295:35 pm -
2 stops20h 51m
Deal found 10/31![Delta logo]()
$829
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/65:50 pm -
2 stops31h 55m
Thu 12/106:35 pm -
2 stops30h 55m
Deal found 10/31![United Airlines logo]()
$832
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/66:03 am -
1 stop18h 02m
Mon 2/15:20 pm -
1 stop14h 17m
Deal found 10/31![Delta logo]()
$843
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/76:05 pm -
2 stops30h 00m
Sun 1/315:35 pm -
1 stop18h 15m
Deal found 10/31![Delta logo]()
$847
This Justfly.com deal was found by Cheapflights users on 11/1. Clicking the “Pick Dates” 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
Thu 12/176:15 pm -
2 stops36h 11m
Deal found 11/1![Air Canada logo]()
$780
This Delta deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/86:03 am -
1 stop18h 02m
Fri 1/295:20 pm -
1 stop14h 17m
Deal found 10/31![Delta logo]()
$825
This United Airlines deal was found by Cheapflights users on 10/31. Clicking the “Pick Dates” 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 12/86:30 am -
1 stop17h 45m
Wed 12/165:40 pm -
1 stop18h 18m
Deal found 10/31![United Airlines logo]()
$825
One-way flights from St. Louis to JapanSearch for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated November 4, 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 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/16:13 pm -
3 stops59h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$529
This Delta deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/146:13 am -
1 stop17h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$553
This Orbitz deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 am -
2 stops19h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Air Canada logo]()
$558
This Cathay Pacific deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 3/167:31 am -
2 stops41h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$561
This Gurufare deal was found by Cheapflights users on 10/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/138:54 am -
2 stops39h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Cathay Pacific logo]()
$577
This Kiwi.com deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 12/16:13 pm -
3 stops57h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$583
This United Airlines deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/146:00 am -
2 stops24h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![United Airlines logo]()
$620
This United Airlines deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/76:00 am -
1 stop18h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![United Airlines logo]()
$620
This Ovago deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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.
Mon 3/156:00 am -
2 stops41h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Cathay Pacific logo]()
$638
This KAYAK deal was found by Cheapflights users on 11/2. Clicking the “Pick Dates” 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 11/2![Cathay Pacific logo]()
$653
This KAYAK deal was found by Cheapflights users on 11/3. Clicking the “Pick Dates” 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 11/146:00 am -
1 stop20h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![ANA logo]()
$664
This Jetabroad deal was found by Cheapflights users on 11/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/76:00 pm -
2 stops36h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Cathay Pacific logo]()
$670
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 4, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $780 (Justfly.com) |
One-way from | $529 (Kiwi.com) |
Popular in | December |
Cheapest in | February |
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 4, 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
Quickest round-trip
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/14
6:13 am-2:35 pm
1 stop17h 22m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$553
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sat 11/14
6:00 am-4:30 pm
2 stops19h 30m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$558
St. LouisSapporo
STL Lambert-St Louis - CTS Sapporo Chitose
STLCTS
Lambert-St Louis
Tue 3/16
7:31 am-2:50 pm
2 stops41h 19m
Sapporo Chitose
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$561
St. LouisOsaka
STL Lambert-St Louis - ITM Osaka Itami
STLITM
Lambert-St Louis
Tue 12/1
6:13 pm-7:00 pm
3 stops57h 47m
Osaka Itami
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$583
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/7
6:00 am-5:45 pm
2 stops20h 45m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$614
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/14
6:00 am-9:05 pm
2 stops24h 05m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$620
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/14
6:00 am-5:40 pm
1 stop20h 40m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$664
St. LouisTokyo
STL Lambert-St Louis - NRT Tokyo Narita
STLNRT
Lambert-St Louis
Sat 11/14
6:00 am-3:15 pm
1 stop18h 15m
Tokyo Narita
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$691
St. LouisOsaka
STL Lambert-St Louis - KIX Osaka Kansai Intl
STLKIX
Lambert-St Louis
Tue 12/1
6:00 am-6:20 am
2 stops33h 20m
Osaka Kansai Intl
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$702
St. LouisTokyo
STL Lambert-St Louis - HND Tokyo Haneda
STLHND
Lambert-St Louis
Sat 11/14
7:59 pm-12:55 am
3 stops37h 56m
Tokyo Haneda
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$760
Showing 1-10 of 55 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-ITM
STL-OKA
STL-KIX
STL-NGO
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-ITM
STL-OKA
STL-KIX
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 $850). 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 4, 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.
Entertainment
7.8
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Comfort
8.2
Boarding
8.4
Crew
8.7
Food
7.7
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Japan
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Complete your trip
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St. Louis and Japan flights
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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 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$667 | Average$1,171 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$697 | Average$1,256 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$697 | Average$1,307 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$739 | Average$1,301 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$785 | Average$1,240 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$958 | Average$1,277 | FlexibilityNo cancel fee | On-time79% |