$426+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
STL — FUK
Apr 20 — Apr 271
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Japan with Cheapflights
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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 March 21, 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 March 21, 2026.
This Trip.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/28:17 pm
STL
- NRT
2 stops27h 53m
Multiple Airlines
Sat 5/92:35 pm
NRT
- STL
2 stops47h 46m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$884
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 3/16![Air Canada logo]()
$896
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 9/2812:10 pm
STL
- NRT
1 stop37h 30m
Air Canada
Tue 10/135:25 pm
NRT
- STL
1 stop34h 35m
Air Canada
Deal found 3/17![Air Canada logo]()
$901
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/274:05 pm
STL
- NRT
2 stops33h 20m
Air Canada
Tue 5/55:35 pm
NRT
- STL
2 stops32h 31m
Air Canada
Deal found 3/16![Air Canada logo]()
$909
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 9/226:00 am
STL
- NRT
2 stops19h 40m
Air Canada
Wed 10/75:40 pm
NRT
- STL
2 stops34h 20m
Air Canada
Deal found 3/17![Air Canada logo]()
$915
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 10/176:49 pm
STL
- NRT
2 stops30h 51m
Air Canada
Wed 10/286:45 pm
NRT
- STL
1 stop34h 45m
Air Canada
Deal found 3/16![Air Canada logo]()
$924
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 10/206:49 pm
STL
- NRT
2 stops30h 51m
Air Canada
Wed 10/286:45 pm
NRT
- STL
2 stops27h 52m
Air Canada
Deal found 3/16![Air Canada logo]()
$928
This Air Canada deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 9/812:10 pm
STL
- NRT
1 stop37h 30m
Air Canada
Wed 9/165:40 pm
NRT
- STL
2 stops34h 20m
Air Canada
Deal found 3/19![Air Canada logo]()
$942
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 9/2712:10 pm
STL
- KIX
2 stops62h 15m
Air Canada
Thu 10/16:00 pm
KIX
- STL
2 stops38h 41m
Air Canada
Deal found 3/16![Air Canada logo]()
$996
This oojo deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:46 am
STL
- ITM
2 stops20h 44m
Japan Airlines
Tue 9/222:35 pm
ITM
- STL
2 stops36h 27m
Japan Airlines
Deal found 3/15![Japan Airlines logo]()
$998
This oojo deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:44 am
STL
- HND
1 stop19h 46m
Japan Airlines
Wed 10/75:25 pm
HND
- STL
1 stop19h 40m
Japan Airlines
Deal found 3/16![Japan Airlines logo]()
$1,000
This oojo deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 9/78:35 am
STL
- HND
1 stop18h 55m
Japan Airlines
Wed 9/161:00 pm
HND
- STL
1 stop15h 25m
Japan Airlines
Deal found 3/16![Japan Airlines logo]()
$1,001
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 March 21, 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 March 21, 2026.
This FlightHub deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 8/306:14 am
STL
- OKA
2 stops23h 11m
ANA
Sun 9/611:55 am
OKA
- STL
2 stops21h 36m
ANA
Deal found 3/18![ANA logo]()
$1,130
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 5/36:00 am
STL
- KIX
2 stops26h 40m
Delta
Sat 5/92:15 am
KIX
- STL
2 stops24h 05m
Delta
Deal found 3/19![Delta logo]()
$1,172
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Thu 9/36:14 am
STL
- OKA
2 stops23h 11m
United Airlines
Sun 9/2011:55 am
OKA
- STL
2 stops23h 27m
United Airlines
Deal found 3/16![United Airlines logo]()
$1,198
This Japan Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 9/68:35 am
STL
- OKA
2 stops38h 35m
Japan Airlines
Wed 9/912:30 pm
OKA
- STL
2 stops24h 32m
Japan Airlines
Deal found 3/20![Japan Airlines logo]()
$1,225
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 6/31:13 pm
STL
- KIX
2 stops37h 12m
Air Canada
Wed 6/176:00 pm
KIX
- STL
2 stops40h 25m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,396
This Priceline deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/1512:55 pm
STL
- KIX
2 stops36h 15m
Cathay Pacific
Wed 4/224:15 pm
KIX
- STL
3 stops44h 44m
Cathay Pacific
Deal found 3/17![Cathay Pacific logo]()
$1,468
This Japan Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Tue 4/77:00 am
STL
- NRT
1 stop16h 25m
Multiple Airlines
Mon 4/209:45 am
NRT
- STL
1 stop16h 02m
Multiple Airlines
Deal found 3/20![Multiple Airlines logo]()
$1,501
This American Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 5/37:12 am
STL
- HIJ
2 stops22h 38m
American Airlines
Sun 5/101:45 pm
HIJ
- STL
2 stops24h 14m
American Airlines
Deal found 3/19![American Airlines logo]()
$1,629
This oojo deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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.
Thu 4/24:20 pm
STL
- KIX
2 stops27h 50m
EVA Air
Sat 5/161:10 pm
KIX
- STL
2 stops40h 06m
EVA Air
Deal found 3/18![EVA Air logo]()
$1,779
This FlightHub deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/196:00 am
STL
- NRT
2 stops44h 20m
WestJet
Sun 4/266:30 pm
NRT
- STL
2 stops42h 43m
WestJet
Deal found 3/20![WestJet logo]()
$1,869
This Qatar Airways deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Mon 3/3011:22 am
STL
- NRT
2 stops41h 48m
Qatar Airways
Fri 4/35:25 pm
NRT
- STL
2 stops41h 46m
Qatar Airways
Deal found 3/20![Qatar Airways logo]()
$1,921
This Delta deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” 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 5/25:00 pm
STL
- KIX
2 stops39h 40m
Delta
Sat 5/96:15 pm
KIX
- STL
2 stops37h 41m
Delta
Deal found 3/18![Delta logo]()
$1,177
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 7/66:01 am
STL
- OKA
3 stops47h 24m
United Airlines
Mon 7/2712:35 pm
OKA
- STL
2 stops43h 42m
United Airlines
Deal found 3/16![United Airlines logo]()
$1,247
This oojo deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Thu 4/307:05 am
STL
- ITM
2 stops22h 45m
Japan Airlines
Thu 5/77:05 am
ITM
- STL
2 stops20h 58m
Japan Airlines
Deal found 3/16![Japan Airlines logo]()
$1,312
This lastminute.com deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:14 am
STL
- OKJ
2 stops19h 56m
ANA
Thu 5/79:45 am
OKJ
- STL
2 stops23h 08m
ANA
Deal found 3/15![ANA logo]()
$1,326
This Delta deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/106:32 am
STL
- HND
1 stop19h 43m
Delta
Tue 4/214:20 pm
HND
- STL
2 stops22h 05m
Delta
Deal found 3/19![Delta logo]()
$1,287
This United Airlines deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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.
Thu 4/167:45 am
STL
- HND
1 stop17h 40m
United Airlines
Wed 4/293:45 pm
HND
- STL
1 stop32h 43m
United Airlines
Deal found 3/20![United Airlines logo]()
$1,289
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 6/17:05 am
STL
- KIX
2 stops22h 45m
Air Canada
Wed 6/176:00 pm
KIX
- STL
1 stop32h 21m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,442
This Rumbo deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/236:00 am
STL
- OKA
2 stops23h 35m
ANA
Thu 5/78:40 pm
OKA
- STL
2 stops36h 13m
ANA
Deal found 3/17![ANA logo]()
$1,327
This Mytrip deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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.
Sun 5/37:05 am
STL
- KIX
2 stops24h 10m
Multiple Airlines
Sun 5/106:50 pm
KIX
- STL
3 stops39h 35m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$1,532
This Cathay Pacific deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/306:21 am
STL
- KIX
3 stops42h 29m
Cathay Pacific
Thu 5/74:15 pm
KIX
- STL
3 stops44h 44m
Cathay Pacific
Deal found 3/16![Cathay Pacific logo]()
$1,564
This United Airlines deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/102:40 pm
STL
- NRT
1 stop34h 05m
United Airlines
Tue 4/218:10 pm
NRT
- STL
2 stops33h 58m
United Airlines
Deal found 3/19![United Airlines logo]()
$1,296
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 6/27:05 am
STL
- KIX
2 stops43h 20m
Air Canada
Wed 6/176:00 pm
KIX
- STL
2 stops40h 25m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,494
This KAYAK deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/78:30 am
STL
- ITM
2 stops42h 35m
ANA
Wed 4/1512:00 pm
ITM
- STL
2 stops21h 22m
ANA
Deal found 3/16![ANA logo]()
$1,385
This Delta deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/197:25 am
STL
- HND
2 stops18h 50m
Delta
Sun 4/264:20 pm
HND
- STL
2 stops22h 05m
Delta
Deal found 3/20![Delta logo]()
$1,415
This lastminute.com deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/212:27 pm
STL
- ITM
2 stops18h 03m
Japan Airlines
Sat 5/910:15 am
ITM
- STL
2 stops17h 48m
Japan Airlines
Deal found 3/20![Japan Airlines logo]()
$1,631
This United Airlines deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/76:00 am
STL
- HND
2 stops23h 00m
United Airlines
Mon 4/205:15 pm
HND
- STL
1 stop29h 10m
United Airlines
Deal found 3/17![United Airlines logo]()
$1,355
This EVA Air deal was found by Cheapflights users on 3/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/24:46 pm
STL
- FUK
2 stops28h 34m
Multiple Airlines
Sat 5/97:20 pm
FUK
- STL
3 stops35h 37m
Multiple Airlines
Deal found 3/18![Multiple Airlines logo]()
$1,651
This KAYAK deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/196:00 am
STL
- NRT
1 stop18h 00m
ANA
Sun 4/265:05 pm
NRT
- STL
1 stop26h 45m
ANA
Deal found 3/20![ANA logo]()
$1,390
This Delta deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/307:25 am
STL
- HND
2 stops18h 50m
Delta
Thu 5/74:20 pm
HND
- STL
2 stops18h 49m
Delta
Deal found 3/16![Delta logo]()
$1,448
Last-minute flights from St. Louis to JapanDiscover last-minute flight deals from St. Louis to Japan. Data last updated March 21, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Japan. Data last updated March 21, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/1111:15 am
STL
- OKA
2 stops45h 40m
United Airlines
Wed 4/2211:05 am
OKA
- STL
2 stops24h 47m
United Airlines
Deal found 3/16![United Airlines logo]()
$1,196
This Air Canada deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/156:30 am
STL
- HND
2 stops19h 10m
Air Canada
Tue 5/56:05 pm
HND
- STL
2 stops40h 20m
Air Canada
Deal found 3/20![Air Canada logo]()
$1,061
This Expedia deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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.
Sun 4/196:30 am
STL
- NRT
2 stops19h 20m
Air Canada
Tue 5/55:35 pm
NRT
- STL
1 stop16h 50m
Air Canada
Deal found 3/19![Air Canada logo]()
$950
This Expedia deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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.
Sun 4/196:30 am
STL
- HND
2 stops19h 10m
Air Canada
Tue 5/56:05 pm
HND
- STL
1 stop15h 59m
Air Canada
Deal found 3/19![Air Canada logo]()
$1,053
This Air Canada deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/254:05 pm
STL
- NRT
2 stops33h 20m
Air Canada
Fri 5/85:35 pm
NRT
- STL
1 stop16h 50m
Air Canada
Deal found 3/17![Air Canada logo]()
$949
This CheapOair deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 4/251:10 pm
STL
- HND
1 stop36h 15m
Multiple Airlines
Fri 5/86:05 pm
HND
- STL
1 stop32h 01m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$1,143
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/274:05 pm
STL
- NRT
2 stops33h 20m
Air Canada
Tue 5/55:35 pm
NRT
- STL
1 stop16h 50m
Air Canada
Deal found 3/16![Air Canada logo]()
$901
This Booking.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/279:10 am
STL
- NRT
2 stops40h 15m
Air Canada
Tue 5/194:30 pm
NRT
- STL
2 stops57h 41m
Air Canada
Deal found 3/16![Air Canada logo]()
$987
This oojo deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/277:05 am
STL
- HND
1 stop20h 25m
Japan Airlines
Tue 5/195:25 pm
HND
- STL
1 stop20h 34m
Japan Airlines
Deal found 3/16![Japan Airlines logo]()
$1,141
This flugladen.de deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:05 am
STL
- HND
1 stop20h 25m
Multiple Airlines
Thu 5/76:05 pm
HND
- STL
1 stop32h 01m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,090
This flugladen.de deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:00 am
STL
- OKA
2 stops36h 15m
Multiple Airlines
Thu 5/710:15 am
OKA
- STL
2 stops51h 44m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$1,128
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/304:05 pm
STL
- KIX
2 stops34h 20m
Air Canada
Thu 5/76:00 pm
KIX
- STL
2 stops40h 25m
Air Canada
Deal found 3/16![Air Canada logo]()
$1,187
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 March 21, 2026.
Search for one-way flight options from St. Louis to Japan. Find affordable one-way fares based on user searches. Data last updated March 21, 2026.
This Kiwi.com deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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.
Thu 4/3011:21 am
STL
- NRT
2 stops37h 04m
Multiple Airlines
Deal found 3/16![Multiple Airlines logo]()
$426
This Kiwi.com deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/138:19 pm
STL
- NRT
2 stops51h 51m
Multiple Airlines
Deal found 3/19![Multiple Airlines logo]()
$465
This FlightHub deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 9/169:46 am
STL
- HND
1 stop17h 44m
Japan Airlines
Deal found 3/20![Japan Airlines logo]()
$511
This FlightHub deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 7/197:00 am
STL
- HND
1 stop20h 30m
Japan Airlines
Deal found 3/17![Japan Airlines logo]()
$518
This Air Canada deal was found by Cheapflights users on 3/20. Clicking the “Pick Dates” 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 4/156:30 am
STL
- NRT
2 stops18h 25m
Air Canada
Deal found 3/20![Air Canada logo]()
$524
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 7/206:30 am
STL
- HND
1 stop16h 35m
Delta
Deal found 3/17![Delta logo]()
$525
This Gurufare deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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.
Sat 7/181:13 pm
STL
- HND
1 stop36h 12m
ANA
Deal found 3/17![ANA logo]()
$526
This Air Canada deal was found by Cheapflights users on 3/16. Clicking the “Pick Dates” 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 4/94:05 pm
STL
- NRT
1 stop33h 45m
Air Canada
Deal found 3/16![Air Canada logo]()
$548
This Delta deal was found by Cheapflights users on 3/15. Clicking the “Pick Dates” 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 7/157:05 pm
STL
- HND
2 stops28h 00m
Delta
Deal found 3/15![Delta logo]()
$550
This Kiwi.com deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 5/278:08 pm
STL
- NRT
3 stops50h 32m
Multiple Airlines
Deal found 3/17![Multiple Airlines logo]()
$565
This Air Canada deal was found by Cheapflights users on 3/19. Clicking the “Pick Dates” 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 4/134:05 pm
STL
- HND
1 stop33h 35m
Air Canada
Deal found 3/19![Air Canada logo]()
$568
This Delta deal was found by Cheapflights users on 3/17. Clicking the “Pick Dates” 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 7/166:59 pm
STL
- HND
2 stops29h 21m
Delta
Deal found 3/17![Delta logo]()
$575
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 March 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $884 (Trip.com) |
One-way from | $426 (Kiwi.com) |
Popular in | June |
Cheapest in | January |
Average price | $936 |
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 March 21, 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. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Sun 8/30
6:14 am-7:25 pm
2 stops23h 11m
Okinawa Naha
Sun 9/6
11:55 am-7:31 pm
2 stops21h 36m
$1,130
St. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Sun 5/3
6:00 am-10:40 pm
2 stops26h 40m
Osaka Kansai Intl
Sat 5/9
2:15 am-12:20 pm
2 stops24h 05m
$1,172
St. LouisOsaka
STL - KIX
STLKIX
Lambert-St Louis
Sat 5/2
5:00 pm-10:40 pm
2 stops39h 40m
Osaka Kansai Intl
Sat 5/9
6:15 pm-5:56 pm
2 stops37h 41m
$1,177
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Thu 9/3
6:14 am-7:25 pm
2 stops23h 11m
Okinawa Naha
Sun 9/20
11:55 am-9:22 pm
2 stops23h 27m
$1,198
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Sun 9/6
8:35 am-1:10 pm
2 stops38h 35m
Okinawa Naha
Wed 9/9
12:30 pm-11:02 pm
2 stops24h 32m
$1,225
St. LouisOkinawa
STL - OKA
STLOKA
Lambert-St Louis
Mon 7/6
6:01 am-7:25 pm
3 stops47h 24m
Okinawa Naha
Mon 7/27
12:35 pm-6:17 pm
2 stops43h 42m
$1,247
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Fri 4/10
6:32 am-4:15 pm
1 stop19h 43m
Tokyo Haneda
Tue 4/21
4:20 pm-12:25 am
2 stops22h 05m
$1,287
St. LouisTokyo
STL - HND
STLHND
Lambert-St Louis
Thu 4/16
7:45 am-3:25 pm
1 stop17h 40m
Tokyo Haneda
Wed 4/29
3:45 pm-10:28 am
1 stop32h 43m
$1,289
St. LouisTokyo
STL - NRT
STLNRT
Lambert-St Louis
Fri 4/10
2:40 pm-2:45 pm
1 stop34h 05m
Tokyo Narita
Tue 4/21
8:10 pm-4:08 pm
2 stops33h 58m
$1,296
St. LouisOsaka
STL - ITM
STLITM
Lambert-St Louis
Thu 4/30
7:05 am-7:50 pm
2 stops22h 45m
Osaka Itami
Thu 5/7
7:05 am-2:03 pm
2 stops20h 58m
$1,312
Showing 1-10 of 60 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-KIX
STL-ITM
STL-HND
STL-OKA
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from St. Louis to Japan
STL-JP0
STL-NRT
STL-KIX
STL-ITM
STL-HND
What is the cheapest month to book a flight from St. Louis to Japan?
Currently, September is the cheapest month in which you can book a flight from St. Louis to Japan (average of $593). Flying from St. Louis to Japan in July is currently the most expensive (average of $993). 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.
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 March 21, 2026.
Read through reviews of airlines operating flights from St. Louis to Japan, such as ANA,Japan Airlines, andDelta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.7
Overall
8.4
Comfort
8.2
Food
7.8
Boarding
8.6
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Crew
8.7
Overall
8.4
Comfort
8.2
Food
7.8
Boarding
8.6
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Crew
8.7
Overall
8.4
Comfort
8.2
Food
7.8
Boarding
8.6
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Crew
8.7
Overall
8.4
Comfort
8.2
Food
7.8
Boarding
8.6
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Crew
8.7
Overall
8.4
Comfort
8.2
Food
7.8
Boarding
8.6
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
BKK - NRT
Crew
8.7
Overall
8.4
Comfort
8.2
Food
7.8
Boarding
8.6
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,Feb 2026
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 March 21, 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 March 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$593 | Average$1,188 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$629 | Average$894 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$703 | Average$1,007 | FlexibilityNo cancel fee | On-time80% | |
| Cheapest$709 | Average$1,082 | FlexibilityNo cancel fee | On-time79% | |
| Cheapest$727 | Average$1,011 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$747 | Average$1,139 | FlexibilityNo cancel fee | On-time69% |