$458+ Cheap flights from St. Louis (STL) to Japan
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Jul 30 — Aug 61
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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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Japan
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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 June 30, 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 June 30, 2026.
This SmartFares deal was found by Cheapflights users on 6/28. 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.
Tue 9/13:04 pm
STL
- NRT
1 stop34h 56m
Multiple Airlines
Thu 9/106:00 pm
NRT
- STL
1 stop19h 59m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$887
This FlightHub deal was found by Cheapflights users on 6/29. 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 11/21:08 pm
STL
- OKA
2 stops29h 22m
ANA
Thu 11/1910:20 am
OKA
- STL
2 stops21h 36m
ANA
Deal found 6/29![ANA logo]()
$892
This FlightHub deal was found by Cheapflights users on 6/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/18:00 am
STL
- HND
1 stop23h 15m
ANA
Wed 9/165:15 pm
HND
- STL
1 stop16h 16m
ANA
Deal found 6/25![ANA logo]()
$892
This FlightHub deal was found by Cheapflights users on 6/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/3112:59 pm
STL
- HND
1 stop36h 26m
ANA
Thu 9/1710:40 am
HND
- STL
1 stop15h 17m
ANA
Deal found 6/25![ANA logo]()
$897
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:10 am
STL
- NRT
1 stop19h 35m
ANA
Wed 9/235:00 pm
NRT
- STL
1 stop18h 31m
ANA
Deal found 6/30![ANA logo]()
$897
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:00 am
STL
- HND
2 stops22h 45m
United Airlines
Thu 11/1210:50 am
HND
- STL
1 stop20h 49m
United Airlines
Deal found 6/27![United Airlines logo]()
$898
This United Airlines deal was found by Cheapflights users on 6/30. 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 9/19:00 am
STL
- NRT
1 stop15h 30m
United Airlines
Tue 9/85:25 pm
NRT
- STL
1 stop20h 13m
United Airlines
Deal found 6/30![United Airlines logo]()
$898
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/135:43 am
STL
- HND
2 stops20h 07m
American Airlines
Wed 9/234:30 pm
HND
- STL
2 stops18h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$901
This Delta deal was found by Cheapflights users on 6/25. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/315:23 pm
STL
- HND
2 stops29h 42m
Delta
Tue 9/154:05 pm
HND
- STL
1 stop14h 42m
Delta
Deal found 6/25![Delta logo]()
$903
This KAYAK deal was found by Cheapflights users on 6/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:33 am
STL
- OKA
2 stops24h 27m
ANA
Wed 11/182:15 pm
OKA
- STL
2 stops22h 55m
ANA
Deal found 6/30![ANA logo]()
$904
This Gurufare deal was found by Cheapflights users on 6/29. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:04 pm
STL
- NRT
1 stop28h 56m
ANA
Thu 11/125:05 pm
NRT
- STL
1 stop19h 08m
ANA
Deal found 6/29![ANA logo]()
$904
This American Airlines deal was found by Cheapflights users on 6/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/25:17 am
STL
- OKA
2 stops26h 23m
American Airlines
Wed 11/181:40 pm
OKA
- STL
2 stops25h 02m
American Airlines
Deal found 6/28![American Airlines logo]()
$905
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 June 30, 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 June 30, 2026.
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/36:00 am
STL
- NRT
1 stop18h 15m
United Airlines
Thu 11/124:45 pm
NRT
- STL
1 stop16h 18m
United Airlines
Deal found 6/27![United Airlines logo]()
$898
This KAYAK deal was found by Cheapflights users on 6/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:50 am
STL
- ITM
2 stops21h 45m
ANA
Tue 9/2210:00 am
ITM
- STL
2 stops22h 16m
ANA
Deal found 6/26![ANA logo]()
$923
This Delta deal was found by Cheapflights users on 6/28. 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.
Sun 9/66:00 am
STL
- HND
2 stops20h 15m
Delta
Sun 9/134:05 pm
HND
- STL
2 stops21h 37m
Delta
Deal found 6/28![Delta logo]()
$1,003
This Air Canada deal was found by Cheapflights users on 6/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1112:10 pm
STL
- KIX
2 stops38h 15m
Air Canada
Thu 10/297:25 pm
KIX
- STL
2 stops34h 01m
Air Canada
Deal found 6/27![Air Canada logo]()
$1,004
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/216:29 am
STL
- NRT
1 stop19h 31m
Multiple Airlines
Sat 10/106:00 pm
NRT
- STL
1 stop19h 59m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$1,054
This CheapOair deal was found by Cheapflights users on 6/25. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/156:30 am
STL
- ITM
2 stops23h 20m
Japan Airlines
Tue 9/224:50 pm
ITM
- STL
2 stops20h 50m
Japan Airlines
Deal found 6/25![Japan Airlines logo]()
$1,155
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/45:00 am
STL
- NRT
1 stop19h 15m
United Airlines
Wed 11/256:00 pm
NRT
- STL
1 stop15h 06m
United Airlines
Deal found 6/25![United Airlines logo]()
$898
This Ovago deal was found by Cheapflights users on 6/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/158:50 am
STL
- KIX
2 stops21h 00m
ANA
Tue 9/224:55 pm
KIX
- STL
1 stop36h 43m
ANA
Deal found 6/27![ANA logo]()
$936
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/35:00 am
STL
- HND
1 stop25h 05m
United Airlines
Tue 11/1012:50 am
HND
- STL
2 stops24h 15m
United Airlines
Deal found 6/27![United Airlines logo]()
$903
This Delta deal was found by Cheapflights users on 6/29. 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 9/76:00 am
STL
- HND
2 stops20h 15m
Delta
Mon 9/286:25 pm
HND
- STL
2 stops19h 17m
Delta
Deal found 6/29![Delta logo]()
$1,003
This United Airlines deal was found by Cheapflights users on 6/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/17:04 pm
STL
- HND
1 stop31h 41m
United Airlines
Thu 11/1210:50 am
HND
- STL
1 stop18h 23m
United Airlines
Deal found 6/25![United Airlines logo]()
$903
This Delta deal was found by Cheapflights users on 6/27. 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.
Thu 11/56:00 am
STL
- HND
1 stop17h 05m
Delta
Thu 11/125:15 pm
HND
- STL
2 stops29h 57m
Delta
Deal found 6/27![Delta logo]()
$1,003
This Air Canada deal was found by Cheapflights users on 6/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm
STL
- KIX
2 stops38h 15m
Air Canada
Tue 9/226:00 pm
KIX
- STL
2 stops38h 41m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,137
This CheapOair deal was found by Cheapflights users on 6/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:55 am
STL
- ITM
2 stops20h 00m
Multiple Airlines
Mon 8/172:00 pm
ITM
- STL
2 stops20h 24m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$1,188
This CheapOair deal was found by Cheapflights users on 6/29. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:25 pm
STL
- ITM
2 stops38h 45m
ANA
Sat 10/107:05 am
ITM
- STL
2 stops21h 05m
ANA
Deal found 6/29![ANA logo]()
$1,083
This United Airlines deal was found by Cheapflights users on 6/30. 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 11/36:00 am
STL
- OKA
2 stops26h 00m
United Airlines
Wed 11/182:15 pm
OKA
- STL
2 stops23h 54m
United Airlines
Deal found 6/30![United Airlines logo]()
$907
This oojo deal was found by Cheapflights users on 6/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/108:36 am
STL
- ITM
2 stops20h 04m
Japan Airlines
Mon 8/172:30 pm
ITM
- STL
2 stops36h 24m
Japan Airlines
Deal found 6/30![Japan Airlines logo]()
$1,217
This Delta deal was found by Cheapflights users on 6/26. 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.
Sun 10/256:30 am
STL
- HND
1 stop18h 05m
Delta
Tue 11/245:15 pm
HND
- STL
2 stops29h 57m
Delta
Deal found 6/26![Delta logo]()
$1,009
This Air Canada deal was found by Cheapflights users on 6/25. 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.
Wed 8/52:40 pm
STL
- KIX
1 stop35h 45m
Air Canada
Fri 8/146:00 pm
KIX
- STL
1 stop16h 24m
Air Canada
Deal found 6/25![Air Canada logo]()
$1,138
This Justfly.com deal was found by Cheapflights users on 6/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/308:50 am
STL
- OKA
2 stops23h 55m
ANA
Sun 9/610:15 am
OKA
- STL
2 stops25h 02m
ANA
Deal found 6/25![ANA logo]()
$1,086
This United Airlines deal was found by Cheapflights users on 6/28. 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 11/17:04 pm
STL
- OKA
2 stops36h 56m
United Airlines
Wed 11/183:10 pm
OKA
- STL
2 stops46h 59m
United Airlines
Deal found 6/28![United Airlines logo]()
$912
This Delta deal was found by Cheapflights users on 6/26. 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.
Wed 10/286:30 am
STL
- HND
2 stops18h 35m
Delta
Wed 11/115:15 pm
HND
- STL
2 stops21h 24m
Delta
Deal found 6/26![Delta logo]()
$1,009
This oojo deal was found by Cheapflights users on 6/25. 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.
Wed 8/56:00 am
STL
- ITM
2 stops23h 50m
Japan Airlines
Fri 8/142:30 pm
ITM
- STL
2 stops36h 25m
Japan Airlines
Deal found 6/25![Japan Airlines logo]()
$1,256
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/254:05 pm
STL
- FUK
2 stops36h 55m
Multiple Airlines
Mon 11/303:20 pm
FUK
- STL
2 stops39h 06m
Multiple Airlines
Deal found 6/30![Multiple Airlines logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Tue 9/158:40 am
STL
- KIX
2 stops21h 10m
United Airlines
Tue 9/224:55 pm
KIX
- STL
2 stops31h 15m
United Airlines
Deal found 6/28![United Airlines logo]()
$912
This Air Canada deal was found by Cheapflights users on 6/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:55 am
STL
- ITM
2 stops20h 00m
Air Canada
Fri 8/142:00 pm
ITM
- STL
2 stops20h 24m
Air Canada
Deal found 6/27![Air Canada logo]()
$1,222
This Delta deal was found by Cheapflights users on 6/28. 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 10/126:00 am
STL
- HND
2 stops20h 15m
Delta
Thu 10/224:05 pm
HND
- STL
1 stop21h 21m
Delta
Deal found 6/28![Delta logo]()
$1,115
This KAYAK deal was found by Cheapflights users on 6/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:15 am
STL
- FUK
2 stops23h 40m
ANA
Fri 10/237:00 am
FUK
- STL
2 stops21h 17m
ANA
Deal found 6/27![ANA logo]()
$1,282
This Air Canada deal was found by Cheapflights users on 6/26. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/262:40 pm
STL
- ITM
2 stops37h 30m
Air Canada
Sat 10/103:00 pm
ITM
- STL
2 stops19h 00m
Air Canada
Deal found 6/26![Air Canada logo]()
$1,302
This United Airlines deal was found by Cheapflights users on 6/26. 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 8/174:50 pm
STL
- NRT
1 stop31h 40m
United Airlines
Tue 9/14:30 pm
NRT
- STL
1 stop14h 04m
United Airlines
Deal found 6/26![United Airlines logo]()
$986
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated June 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated June 30, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 6/29. 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 7/115:42 pm
STL
- HND
2 stops29h 23m
Delta
Thu 7/164:05 pm
HND
- STL
1 stop30h 41m
Delta
Deal found 6/29![Delta logo]()
$1,098
This Delta deal was found by Cheapflights users on 6/29. 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 7/115:36 pm
STL
- HND
1 stop29h 29m
Delta
Wed 7/154:05 pm
HND
- STL
1 stop30h 41m
Delta
Deal found 6/29![Delta logo]()
$1,100
This Delta deal was found by Cheapflights users on 6/29. 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.
Sun 7/127:08 am
STL
- HND
1 stop17h 07m
Delta
Wed 7/154:05 pm
HND
- STL
2 stops21h 48m
Delta
Deal found 6/29![Delta logo]()
$1,093
This American Airlines deal was found by Cheapflights users on 6/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/156:37 am
STL
- HND
1 stop19h 13m
American Airlines
Tue 7/217:45 pm
HND
- STL
1 stop18h 14m
American Airlines
Deal found 6/30![American Airlines logo]()
$1,087
This United Airlines deal was found by Cheapflights users on 6/28. 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.
Sat 7/184:45 pm
STL
- NRT
2 stops31h 25m
United Airlines
Thu 7/238:10 pm
NRT
- STL
2 stops35h 32m
United Airlines
Deal found 6/28![United Airlines logo]()
$1,092
This United Airlines deal was found by Cheapflights users on 6/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:06 am
STL
- NRT
1 stop15h 24m
United Airlines
Thu 7/305:25 pm
NRT
- STL
1 stop20h 19m
United Airlines
Deal found 6/27![United Airlines logo]()
$1,088
This KAYAK deal was found by Cheapflights users on 6/28. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/199:20 am
STL
- NRT
1 stop15h 50m
ANA
Thu 7/305:25 pm
NRT
- STL
1 stop20h 19m
ANA
Deal found 6/28![ANA logo]()
$1,105
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/205:10 am
STL
- HND
2 stops23h 50m
United Airlines
Thu 7/305:45 pm
HND
- STL
1 stop19h 59m
United Airlines
Deal found 6/29![United Airlines logo]()
$1,084
This Orbitz deal was found by Cheapflights users on 6/29. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/248:55 am
STL
- NRT
1 stop16h 55m
Air Canada
Mon 8/105:35 pm
NRT
- STL
2 stops34h 29m
Air Canada
Deal found 6/29![Air Canada logo]()
$1,080
This FlightHub deal was found by Cheapflights users on 6/27. 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 7/2712:10 pm
STL
- NRT
1 stop37h 15m
Air Canada
Mon 8/35:35 pm
NRT
- STL
2 stops58h 29m
Air Canada
Deal found 6/27![Air Canada logo]()
$1,128
This FlightHub deal was found by Cheapflights users on 6/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2812:10 pm
STL
- NRT
1 stop37h 15m
Air Canada
Tue 8/45:35 pm
NRT
- STL
2 stops34h 29m
Air Canada
Deal found 6/28![Air Canada logo]()
$1,113
This Expedia deal was found by Cheapflights users on 6/29. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/292:40 pm
STL
- NRT
1 stop35h 10m
Air Canada
Wed 8/55:35 pm
NRT
- STL
2 stops34h 29m
Air Canada
Deal found 6/29![Air Canada logo]()
$1,060
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 June 30, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated June 30, 2026.
This Air Canada deal was found by Cheapflights users on 6/25. 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.
Tue 7/2812:10 pm
STL
- NRT
1 stop37h 15m
Air Canada
Deal found 6/25![Air Canada logo]()
$458
This Travelocity deal was found by Cheapflights users on 6/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:55 am
STL
- NRT
1 stop16h 55m
Air Canada
Deal found 6/28![Air Canada logo]()
$463
This Travelocity deal was found by Cheapflights users on 6/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/308:55 am
STL
- HND
2 stops35h 40m
Air Canada
Deal found 6/28![Air Canada logo]()
$479
This FlightHub deal was found by Cheapflights users on 6/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/288:55 am
STL
- HND
2 stops21h 00m
Multiple Airlines
Deal found 6/26![Multiple Airlines logo]()
$494
This Kiwi.com deal was found by Cheapflights users on 6/28. 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.
Mon 10/198:34 pm
STL
- NRT
3 stops52h 51m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$494
This Air Canada deal was found by Cheapflights users on 6/25. 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.
Tue 7/288:55 am
STL
- HND
1 stop16h 45m
Air Canada
Deal found 6/25![Air Canada logo]()
$513
This Orbitz deal was found by Cheapflights users on 6/25. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2612:10 pm
STL
- HND
2 stops37h 30m
Air Canada
Deal found 6/25![Air Canada logo]()
$516
This United Airlines deal was found by Cheapflights users on 6/29. 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 7/215:10 am
STL
- HND
2 stops23h 50m
United Airlines
Deal found 6/29![United Airlines logo]()
$520
This Justfly.com deal was found by Cheapflights users on 6/30. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/191:13 pm
STL
- OKJ
2 stops42h 02m
ANA
Deal found 6/30![ANA logo]()
$520
This SmartFares deal was found by Cheapflights users on 6/28. 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.
Tue 7/217:56 pm
STL
- NRT
1 stop30h 04m
Multiple Airlines
Deal found 6/28![Multiple Airlines logo]()
$521
This Ovago deal was found by Cheapflights users on 6/25. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/215:10 am
STL
- HND
1 stop23h 50m
ANA
Deal found 6/25![ANA logo]()
$522
This FlightHub deal was found by Cheapflights users on 6/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/216:14 am
STL
- NRT
1 stop17h 46m
ANA
Deal found 6/25![ANA logo]()
$522
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 June 30, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $887 (SmartFares) |
One-way from | $458 (Air Canada) |
Popular in | June |
Cheapest in | February |
Average price | $1,389 |
Cheapflights Fare Finder
Customize your flight search to find flights from St. Louis to Japan that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 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 - NRT
STLNRT
Lambert-St Louis
Tue 11/3
6:00 am-3:15 pm
1 stop18h 15m
Tokyo Narita
Thu 11/12
4:45 pm-6:03 pm
1 stop16h 18m
$898
Quickest round-trip
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Wed 11/4
5:00 am-3:15 pm
1 stop19h 15m
Tokyo Narita
Wed 11/25
6:00 pm-6:06 pm
1 stop15h 06m
$898
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Tue 11/3
5:00 am-9:05 pm
1 stop25h 05m
Tokyo Haneda
Tue 11/10
12:50 am-10:05 am
2 stops24h 15m
$903
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Sun 11/1
7:04 pm-5:45 pm
1 stop31h 41m
Tokyo Haneda
Thu 11/12
10:50 am-2:13 pm
1 stop18h 23m
$903
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Tue 11/3
6:00 am-11:00 pm
2 stops26h 00m
Okinawa Naha
Wed 11/18
2:15 pm-11:09 pm
2 stops23h 54m
$907
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Sun 11/1
7:04 pm-11:00 pm
2 stops36h 56m
Okinawa Naha
Wed 11/18
3:10 pm-11:09 pm
2 stops46h 59m
$912
St. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Tue 9/15
8:40 am-7:50 pm
2 stops21h 10m
Osaka Kansai Intl
Tue 9/22
4:55 pm-10:10 am
2 stops31h 15m
$912
St. LouisOsaka
STL - ITM
STLITM
Lambert-St Louis
Tue 9/15
8:50 am-8:35 pm
2 stops21h 45m
Osaka Itami
Tue 9/22
10:00 am-6:16 pm
2 stops22h 16m
$923
St. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Tue 9/15
8:50 am-7:50 pm
2 stops21h 00m
Osaka Kansai Intl
Tue 9/22
4:55 pm-3:38 pm
1 stop36h 43m
$936
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Mon 8/17
4:50 pm-2:30 pm
1 stop31h 40m
Tokyo Narita
Tue 9/1
4:30 pm-4:34 pm
1 stop14h 04m
$986
Showing 1-10 of 51 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-OKJ
STL-OKA
STL-ITM
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-OKJ
STL-OKA
What is the cheapest month to book a flight from St. Louis to Japan?
Currently, March is the cheapest month in which you can book a flight from St. Louis to Japan (average of $349). Flying from St. Louis to Japan in July is currently the most expensive (average of $812). 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 4 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 June 30, 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
Crew
8.7
Food
7.7
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Crew
8.7
Food
7.7
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Crew
8.7
Food
7.7
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Crew
8.7
Food
7.7
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Crew
8.7
Food
7.7
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Entertainment
7.8
Overall
8.3
Crew
8.7
Food
7.7
Boarding
8.4
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Sep 2025
HNL - KIX
Related info for your journey
Find useful and relevant information for your journey from St. Louis to Japan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for St. Louis to Japan
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Complete your trip
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Find flights from St. Louis to Japan, based on your preferred cabin class, be it economy, premium economy, business, or first class.
St. Louis and Japan flights
Browse other St. Louis and Japan flight options. Last updated on June 30, 2026.
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Check out other popular destinations found by fellow travelers in 2026
St. Louis to Japan flights
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Fly to Japan regions
Consider these flights traveling to Japan regions.
Top 6 airlines flying from St. Louis to Japan
Discover the top 6 airlines that operate flights from St. Louis to Japan. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$593 | Average$1,186 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$667 | Average$1,171 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$739 | Average$1,087 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$757 | Average$1,145 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$785 | Average$1,158 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$846 | Average$1,208 | FlexibilityNo cancel fee | On-time79% |