$520+ 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
Jun 30 — Jul 71
Round-trip
1 adult, Economy
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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 May 31, 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 May 31, 2026.
This FlightHub deal was found by Cheapflights users on 5/31. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/1512:10 pm
STL
- NRT
1 stop37h 15m
Air Canada
Mon 9/215:50 pm
NRT
- STL
2 stops32h 07m
Air Canada
Deal found 5/31![Air Canada logo]()
$957
This Air Canada deal was found by Cheapflights users on 5/31. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/75:30 pm
STL
- NRT
2 stops31h 25m
Air Canada
Mon 9/145:50 pm
NRT
- STL
2 stops32h 07m
Air Canada
Deal found 5/31![Air Canada logo]()
$958
This Air Canada deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/112:10 pm
STL
- NRT
1 stop37h 15m
Air Canada
Thu 10/15:50 pm
NRT
- STL
1 stop38h 51m
Air Canada
Deal found 5/29![Air Canada logo]()
$960
This FlightHub deal was found by Cheapflights users on 5/28. 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.
Mon 9/1412:10 pm
STL
- NRT
1 stop37h 15m
Air Canada
Mon 9/285:25 pm
NRT
- STL
2 stops34h 46m
Air Canada
Deal found 5/28![Air Canada logo]()
$962
This Air Canada deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
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 5/29![Air Canada logo]()
$963
This Travelocity deal was found by Cheapflights users on 5/30. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/162:40 pm
STL
- NRT
2 stops34h 15m
Air Canada
Wed 9/305:25 pm
NRT
- STL
2 stops32h 48m
Air Canada
Deal found 5/30![Air Canada logo]()
$967
This Air Canada deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/178:55 am
STL
- NRT
1 stop16h 55m
Air Canada
Thu 10/15:50 pm
NRT
- STL
1 stop38h 51m
Air Canada
Deal found 5/29![Air Canada logo]()
$968
This Air Canada deal was found by Cheapflights users on 5/30. 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.
Mon 9/78:55 am
STL
- NRT
1 stop16h 55m
Air Canada
Mon 9/285:25 pm
NRT
- STL
1 stop34h 35m
Air Canada
Deal found 5/30![Air Canada logo]()
$970
This Air Canada deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/222:40 pm
STL
- NRT
2 stops34h 15m
Air Canada
Wed 10/75:50 pm
NRT
- STL
2 stops34h 10m
Air Canada
Deal found 5/28![Air Canada logo]()
$974
This Justfly.com deal was found by Cheapflights users on 5/30. 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.
Tue 9/88:55 am
STL
- NRT
1 stop16h 55m
Air Canada
Wed 9/165:50 pm
NRT
- STL
1 stop38h 51m
Air Canada
Deal found 5/30![Air Canada logo]()
$975
This FlightHub deal was found by Cheapflights users on 5/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/202:40 pm
STL
- KIX
2 stops35h 45m
Air Canada
Fri 9/256:00 pm
KIX
- STL
1 stop16h 00m
Air Canada
Deal found 5/30![Air Canada logo]()
$983
This FlightHub deal was found by Cheapflights users on 5/29. 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.
Tue 9/228:55 am
STL
- HND
2 stops35h 40m
Multiple Airlines
Wed 10/71:40 pm
HND
- STL
2 stops20h 20m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$996
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 May 31, 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 May 31, 2026.
This FlightHub deal was found by Cheapflights users on 5/29. 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.
Fri 10/162:40 pm
STL
- KIX
2 stops59h 45m
Air Canada
Sat 11/77:25 pm
KIX
- STL
2 stops35h 05m
Air Canada
Deal found 5/29![Air Canada logo]()
$1,023
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/294:40 pm
STL
- HND
2 stops21h 45m
United Airlines
Tue 10/2010:40 am
HND
- STL
1 stop15h 33m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,092
This Delta deal was found by Cheapflights users on 5/29. 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 8/295:23 pm
STL
- HND
2 stops29h 42m
Delta
Fri 11/275:15 pm
HND
- STL
1 stop21h 03m
Delta
Deal found 5/29![Delta logo]()
$1,093
This Air Canada deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:55 am
STL
- FUK
2 stops20h 55m
Multiple Airlines
Thu 9/1010:45 am
FUK
- STL
2 stops23h 15m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$1,189
This American Airlines deal was found by Cheapflights users on 5/28. 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.
Thu 8/276:36 am
STL
- ITM
2 stops22h 04m
American Airlines
Mon 8/313:30 pm
ITM
- STL
2 stops21h 29m
American Airlines
Deal found 5/28![American Airlines logo]()
$1,197
This Justfly.com deal was found by Cheapflights users on 5/30. 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.
Thu 9/39:30 am
STL
- OKA
2 stops19h 55m
ANA
Sun 9/208:35 pm
OKA
- STL
2 stops29h 27m
ANA
Deal found 5/30![ANA logo]()
$1,262
This oojo deal was found by Cheapflights users on 5/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
STL
- KIX
2 stops36h 35m
Japan Airlines
Fri 8/146:40 am
KIX
- STL
2 stops30h 19m
Japan Airlines
Deal found 5/26![Japan Airlines logo]()
$1,288
This oojo deal was found by Cheapflights users on 5/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/253:24 pm
STL
- FUK
2 stops35h 36m
STARLUX Airlines
Mon 11/307:10 pm
FUK
- STL
2 stops43h 49m
STARLUX Airlines
Deal found 5/26![STARLUX Airlines logo]()
$1,437
This Korean Air deal was found by Cheapflights users on 5/27. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:20 am
STL
- OKJ
2 stops35h 10m
Korean Air
Sun 11/810:30 am
OKJ
- STL
2 stops41h 26m
Korean Air
Deal found 5/27![Korean Air logo]()
$1,846
This Delta deal was found by Cheapflights users on 5/30. 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.
Wed 8/196:00 am
STL
- HND
2 stops20h 15m
Delta
Wed 8/264:35 pm
HND
- STL
2 stops22h 06m
Delta
Deal found 5/30![Delta logo]()
$1,093
This United Airlines deal was found by Cheapflights users on 5/28. 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 8/255:10 am
STL
- NRT
2 stops19h 00m
United Airlines
Fri 8/284:30 pm
NRT
- STL
1 stop21h 10m
United Airlines
Deal found 5/28![United Airlines logo]()
$1,093
This Cathay Pacific deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/276:54 pm
STL
- KIX
2 stops28h 01m
Multiple Airlines
Mon 8/319:45 am
KIX
- STL
2 stops27h 57m
Multiple Airlines
Deal found 5/28![Multiple Airlines logo]()
$1,196
This United Airlines deal was found by Cheapflights users on 5/29. 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 8/246:54 pm
STL
- KIX
2 stops29h 56m
United Airlines
Fri 8/284:55 pm
KIX
- STL
2 stops20h 45m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,096
This Air Canada deal was found by Cheapflights users on 5/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:55 am
STL
- HIJ
2 stops20h 45m
Air Canada
Mon 9/1412:35 pm
HIJ
- STL
2 stops39h 25m
Air Canada
Deal found 5/28![Air Canada logo]()
$1,245
This American Airlines deal was found by Cheapflights users on 5/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:36 am
STL
- ITM
2 stops22h 29m
American Airlines
Fri 8/147:25 am
ITM
- STL
2 stops18h 50m
American Airlines
Deal found 5/27![American Airlines logo]()
$1,277
This Delta deal was found by Cheapflights users on 5/30. 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.
Sat 8/86:09 pm
STL
- HND
2 stops28h 56m
Delta
Sat 8/154:05 pm
HND
- STL
1 stop19h 58m
Delta
Deal found 5/30![Delta logo]()
$1,193
This KAYAK deal was found by Cheapflights users on 5/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/39:20 am
STL
- ITM
2 stops18h 50m
ANA
Thu 8/1312:50 pm
ITM
- STL
2 stops24h 09m
ANA
Deal found 5/31![ANA logo]()
$1,314
This Cathay Pacific deal was found by Cheapflights users on 5/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/157:27 am
STL
- KIX
2 stops33h 13m
Multiple Airlines
Tue 9/224:15 pm
KIX
- STL
3 stops40h 23m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,212
This Ovago deal was found by Cheapflights users on 5/30. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:00 am
STL
- ITM
2 stops24h 25m
Japan Airlines
Fri 8/147:25 am
ITM
- STL
2 stops29h 34m
Japan Airlines
Deal found 5/30![Japan Airlines logo]()
$1,367
This Air Canada deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/108:55 am
STL
- OKJ
2 stops20h 15m
Air Canada
Mon 9/142:15 pm
OKJ
- STL
2 stops37h 45m
Air Canada
Deal found 5/29![Air Canada logo]()
$1,251
This United Airlines deal was found by Cheapflights users on 5/30. 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 9/84:40 pm
STL
- KIX
3 stops32h 10m
United Airlines
Tue 9/224:55 pm
KIX
- STL
2 stops31h 15m
United Airlines
Deal found 5/30![United Airlines logo]()
$1,181
This Cathay Pacific deal was found by Cheapflights users on 5/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/199:32 am
STL
- NRT
2 stops40h 33m
Multiple Airlines
Wed 8/269:25 am
NRT
- STL
2 stops28h 17m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,238
This Delta deal was found by Cheapflights users on 5/27. 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.
Sun 8/167:00 am
STL
- HND
2 stops19h 15m
Delta
Mon 8/244:35 pm
HND
- STL
2 stops22h 06m
Delta
Deal found 5/27![Delta logo]()
$1,256
This United Airlines deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/165:10 am
STL
- NRT
2 stops19h 50m
United Airlines
Mon 8/245:00 pm
NRT
- STL
2 stops20h 40m
United Airlines
Deal found 5/29![United Airlines logo]()
$1,193
This Air Canada deal was found by Cheapflights users on 5/30. 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.
Tue 9/88:55 am
STL
- FUK
2 stops20h 55m
Air Canada
Fri 9/1112:55 pm
FUK
- STL
2 stops39h 05m
Air Canada
Deal found 5/30![Air Canada logo]()
$1,316
This Cathay Pacific deal was found by Cheapflights users on 5/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/166:54 pm
STL
- NRT
2 stops31h 11m
Multiple Airlines
Mon 8/249:25 am
NRT
- STL
2 stops28h 17m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$1,288
This Japan Airlines deal was found by Cheapflights users on 5/28. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:59 am
STL
- TAK
2 stops23h 51m
Japan Airlines
Mon 8/248:35 pm
TAK
- STL
2 stops40h 24m
Japan Airlines
Deal found 5/28![Japan Airlines logo]()
$1,630
This Delta deal was found by Cheapflights users on 5/26. 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.
Fri 8/146:20 am
STL
- HND
1 stop16h 45m
Delta
Sun 8/233:15 pm
HND
- STL
1 stop16h 38m
Delta
Deal found 5/26![Delta logo]()
$1,351
This United Airlines deal was found by Cheapflights users on 5/26. 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.
Tue 8/45:10 am
STL
- NRT
2 stops19h 00m
United Airlines
Tue 8/115:25 pm
NRT
- STL
1 stop20h 13m
United Airlines
Deal found 5/26![United Airlines logo]()
$1,270
This Japan Airlines deal was found by Cheapflights users on 5/29. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/245:59 am
STL
- OKA
2 stops44h 11m
Japan Airlines
Fri 8/2812:15 pm
OKA
- STL
2 stops24h 44m
Japan Airlines
Deal found 5/29![Japan Airlines logo]()
$1,663
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated May 31, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated May 31, 2026 and is based on user searches.
This Mytrip deal was found by Cheapflights users on 5/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/151:05 pm
STL
- NRT
3 stops35h 50m
Multiple Airlines
Mon 6/223:55 pm
NRT
- STL
3 stops34h 26m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$1,649
This Qatar Airways deal was found by Cheapflights users on 5/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:35 am
STL
- NRT
2 stops40h 20m
Qatar Airways
Mon 7/610:25 pm
NRT
- STL
2 stops39h 34m
Qatar Airways
Deal found 5/27![Qatar Airways logo]()
$1,592
This Qatar Airways deal was found by Cheapflights users on 5/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:35 am
STL
- NRT
2 stops40h 20m
Qatar Airways
Tue 7/710:25 pm
NRT
- STL
2 stops39h 34m
Qatar Airways
Deal found 5/27![Qatar Airways logo]()
$1,656
This Qatar Airways deal was found by Cheapflights users on 5/27. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/206:35 am
STL
- NRT
2 stops40h 20m
Qatar Airways
Fri 7/1010:25 pm
NRT
- STL
2 stops39h 34m
Qatar Airways
Deal found 5/27![Qatar Airways logo]()
$1,660
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/237:56 pm
STL
- NRT
1 stop30h 04m
Multiple Airlines
Wed 7/14:25 pm
NRT
- STL
2 stops21h 34m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,596
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/235:37 pm
STL
- NRT
2 stops32h 23m
Multiple Airlines
Tue 7/76:00 pm
NRT
- STL
1 stop33h 52m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,615
This Kiwi.com deal was found by Cheapflights users on 5/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/233:57 pm
STL
- NRT
2 stops32h 43m
Multiple Airlines
Fri 7/32:35 pm
NRT
- STL
1 stop23h 24m
Multiple Airlines
Deal found 5/27![Multiple Airlines logo]()
$1,628
This KAYAK deal was found by Cheapflights users on 5/29. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/231:13 pm
STL
- HND
2 stops30h 32m
Lufthansa
Mon 7/2011:45 am
HND
- STL
1 stop39h 40m
Lufthansa
Deal found 5/29![Lufthansa logo]()
$1,709
This FlightHub deal was found by Cheapflights users on 5/27. 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.
Wed 6/246:35 am
STL
- NRT
2 stops40h 20m
Qatar Airways
Mon 7/65:25 pm
NRT
- STL
2 stops44h 34m
Qatar Airways
Deal found 5/27![Qatar Airways logo]()
$1,574
This Justfly.com deal was found by Cheapflights users on 5/29. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/246:30 am
STL
- NRT
2 stops43h 50m
WestJet
Mon 7/66:30 pm
NRT
- STL
2 stops37h 23m
WestJet
Deal found 5/29![WestJet logo]()
$1,641
This Justfly.com deal was found by Cheapflights users on 5/30. 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.
Wed 6/243:30 pm
STL
- HND
1 stop28h 15m
Lufthansa
Mon 7/611:45 am
HND
- STL
1 stop39h 40m
Lufthansa
Deal found 5/30![Lufthansa logo]()
$1,728
This KAYAK deal was found by Cheapflights users on 5/27. 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.
Wed 6/243:30 pm
STL
- HND
1 stop28h 15m
Lufthansa
Tue 7/711:45 am
HND
- STL
1 stop39h 40m
Lufthansa
Deal found 5/27![Lufthansa logo]()
$1,734
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 May 31, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated May 31, 2026.
This United Airlines deal was found by Cheapflights users on 5/28. 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 7/285:10 am
STL
- HND
2 stops23h 50m
United Airlines
Deal found 5/28![United Airlines logo]()
$520
This FlightHub deal was found by Cheapflights users on 5/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/219:20 am
STL
- HND
1 stop16h 05m
ANA
Deal found 5/30![ANA logo]()
$521
This Justfly.com deal was found by Cheapflights users on 5/30. 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.
Tue 7/286:14 am
STL
- NRT
1 stop17h 46m
ANA
Deal found 5/30![ANA logo]()
$521
This Delta deal was found by Cheapflights users on 5/28. 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.
Tue 7/216:21 am
STL
- HND
2 stops17h 59m
Delta
Deal found 5/28![Delta logo]()
$524
This United Airlines deal was found by Cheapflights users on 5/28. 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 7/216:00 am
STL
- NRT
2 stops19h 25m
United Airlines
Deal found 5/28![United Airlines logo]()
$524
This FlightHub deal was found by Cheapflights users on 5/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1512:59 pm
STL
- HND
1 stop36h 26m
ANA
Deal found 5/30![ANA logo]()
$532
This United Airlines deal was found by Cheapflights users on 5/30. 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.
Sat 8/154:40 pm
STL
- NRT
1 stop31h 50m
United Airlines
Deal found 5/30![United Airlines logo]()
$536
This Kiwi.com deal was found by Cheapflights users on 5/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:35 am
STL
- KIX
3 stops56h 40m
Multiple Airlines
Deal found 5/26![Multiple Airlines logo]()
$552
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:08 pm
STL
- NRT
3 stops52h 17m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$623
This Kiwi.com deal was found by Cheapflights users on 5/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/158:08 pm
STL
- HND
3 stops51h 27m
Multiple Airlines
Deal found 5/30![Multiple Airlines logo]()
$676
This FlightHub deal was found by Cheapflights users on 5/26. 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 7/71:54 pm
STL
- NRT
2 stops36h 26m
WestJet
Deal found 5/26![WestJet logo]()
$708
This Kiwi.com deal was found by Cheapflights users on 5/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/111:18 am
STL
- HND
2 stops41h 42m
Multiple Airlines
Deal found 5/29![Multiple Airlines logo]()
$750
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 May 31, 2026.
Most accurate provider | Ovago 3 stars |
|---|---|
Most trusted provider | Ovago 3 stars |
Round-trip from | $957 (FlightHub) |
One-way from | $520 (United Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $1,236 |
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 May 31, 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. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Fri 10/16
2:40 pm-4:25 pm
2 stops59h 45m
Osaka Kansai Intl
Sat 11/7
7:25 pm-3:30 pm
2 stops35h 05m
$1,023
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Sat 8/29
4:40 pm-4:25 am
2 stops21h 45m
Tokyo Haneda
Tue 10/20
10:40 am-12:13 pm
1 stop15h 33m
$1,092
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Sat 8/29
5:23 pm-1:05 pm
2 stops29h 42m
Tokyo Haneda
Fri 11/27
5:15 pm-11:18 pm
1 stop21h 03m
$1,093
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Wed 8/19
6:00 am-4:15 pm
2 stops20h 15m
Tokyo Haneda
Wed 8/26
4:35 pm-12:41 am
2 stops22h 06m
$1,093
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Tue 8/25
5:10 am-2:10 pm
2 stops19h 00m
Tokyo Narita
Fri 8/28
4:30 pm-11:40 pm
1 stop21h 10m
$1,093
St. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Mon 8/24
6:54 pm-2:50 pm
2 stops29h 56m
Osaka Kansai Intl
Fri 8/28
4:55 pm-11:40 pm
2 stops20h 45m
$1,096
St. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Tue 9/8
4:40 pm-2:50 pm
3 stops32h 10m
Osaka Kansai Intl
Tue 9/22
4:55 pm-10:10 am
2 stops31h 15m
$1,181
St. LouisFukuoka
STL - FUK
STLFUK
Lambert-St Louis
Mon 9/7
8:55 am-7:50 pm
2 stops20h 55m
Fukuoka
Thu 9/10
10:45 am-8:00 pm
2 stops23h 15m
$1,189
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Sat 8/8
6:09 pm-1:05 pm
2 stops28h 56m
Tokyo Haneda
Sat 8/15
4:05 pm-10:03 pm
1 stop19h 58m
$1,193
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Sun 8/16
5:10 am-3:00 pm
2 stops19h 50m
Tokyo Narita
Mon 8/24
5:00 pm-11:40 pm
2 stops20h 40m
$1,193
Showing 1-10 of 47 resultsSorted by cheapest first
Best time to book a flight from St. Louis to Japan
Have a flexible travel schedule? Discover the best time to fly to Japan from St. Louis with our price prediction graph.
STL-HND
STL-NRT
STL-KIX
STL-FUK
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-HND
STL-NRT
STL-KIX
STL-FUK
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 January is currently the most expensive (average of $616). 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 May 31, 2026.
Read through reviews of airlines operating flights from St. Louis to Japan, such as Japan Airlines,ANA, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.4
Crew
8.7
Entertainment
7.8
Food
7.7
Overall
8.3
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Boarding
8.4
Crew
8.7
Entertainment
7.8
Food
7.7
Overall
8.3
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Boarding
8.4
Crew
8.7
Entertainment
7.8
Food
7.7
Overall
8.3
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Boarding
8.4
Crew
8.7
Entertainment
7.8
Food
7.7
Overall
8.3
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Boarding
8.4
Crew
8.7
Entertainment
7.8
Food
7.7
Overall
8.3
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
Boarding
8.4
Crew
8.7
Entertainment
7.8
Food
7.7
Overall
8.3
Comfort
8.2
Reviews
1 / 20
10.0
ExcellentAnonymous,Nov 2025
BKK - NRT
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
Complete your trip to Japan by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Japan flights
Browse other St. Louis and Japan flight options. Last updated on May 31, 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 May 31, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$593 | Average$1,161 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$629 | Average$1,114 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$708 | Average$1,087 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$739 | Average$1,024 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$777 | Average$1,140 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$813 | Average$1,172 | FlexibilityNo cancel fee | On-time79% |