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Cheap flights from St. Louis to Osaka from $1,034

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from St. Louis to Osaka

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
6:00 am - 5:40 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
44h 40m2 stops Chicago O'Hare Intl Vancouver Intl
Air Canada Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$1,034Air Canada
Sat, Nov 21 - Thu, Dec 3
Air Canada Logo
6:50 pm - 5:40 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
55h 50m2 stops Chicago O'Hare Intl Vancouver Intl
Air Canada Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$1,046Air Canada
Fri, Nov 20 - Thu, Dec 3
Air Canada Logo
7:30 am - 5:40 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
43h 10m2 stops Chicago O'Hare Intl Vancouver Intl
Air Canada Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$1,074Air Canada
Mon, Feb 1 - Fri, Feb 5
ANA Logo
7:30 am - 7:00 pmSTL  Lambert-St Louis-ITM Osaka Itami
20h 30m2 stops Chicago O'Hare Intl Tokyo Narita
ANA Logo
8:00 am - 12:10 pmITM  Osaka Itami-STL Lambert-St Louis
19h 10m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,109ANA
Sun, Nov 22 - Thu, Dec 3
Air Canada Logo
6:00 am - 5:40 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
44h 40m2 stops Chicago O'Hare Intl Vancouver Intl
Air Canada Logo
3:20 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
39h 06m2 stops Tokyo Haneda Toronto Pearson Intl
$1,109Air Canada
Sat, Nov 21 - Fri, Dec 4
ANA Logo
1:08 pm - 9:50 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
41h 42m2 stops Chicago O'Hare Intl Tokyo Haneda
ANA Logo
9:00 pm - 12:10 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
30h 10m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,111ANA
Mon, Nov 23 - Wed, Dec 2
ANA Logo
6:15 am - 6:10 pmSTL  Lambert-St Louis-ITM Osaka Itami
20h 55m2 stops Houston George Bush Intcntl Tokyo Haneda
ANA Logo
12:00 pm - 5:04 pmITM  Osaka Itami-STL Lambert-St Louis
20h 04m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,111ANA
Mon, Nov 23 - Wed, Dec 2
Air Canada Logo
4:05 pm - 5:40 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
35h 35m2 stops Toronto Pearson Intl Vancouver Intl
Air Canada Logo
7:25 pm - 3:26 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
35h 01m2 stops Vancouver Intl Toronto Pearson Intl
$1,112Air Canada
Thu, Oct 29 - Thu, Nov 5
Air Canada Logo
12:10 pm - 4:25 pmSTL  Lambert-St Louis-KIX Osaka Kansai Intl
38h 15m2 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl
Air Canada Logo
7:25 pm - 3:23 pmKIX  Osaka Kansai Intl-STL Lambert-St Louis
33h 58m2 stops Vancouver Intl Toronto Pearson Intl
$1,115Air Canada
Fri, Oct 16 - Mon, Oct 26
ANA Logo
1:08 pm - 7:00 pmSTL  Lambert-St Louis-ITM Osaka Itami
38h 52m2 stops Chicago O'Hare Intl Tokyo Narita
ANA Logo
8:00 am - 12:10 pmITM  Osaka Itami-STL Lambert-St Louis
19h 10m2 stops Tokyo Haneda Chicago O'Hare Intl
$1,115ANA
Mon, Nov 23 - Thu, Dec 3

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United Airlines flights from St. Louis to Osaka

Our best United Airlines deals on St. Louis to Osaka flight tickets
United Airlines
Nov 22
STL1:08 pmLambert-St Louis
36h 37m
2 stops
KIX4:45 pmOsaka Kansai Intl
Dec 2
KIX3:20 pmOsaka Kansai Intl
45h 55m
2 stops
STL10:15 pmLambert-St Louis
$1,122
United Airlines
Nov 22
STL7:05 pmLambert-St Louis
30h 40m
1 stop
KIX4:45 pmOsaka Kansai Intl
Dec 2
KIX3:20 pmOsaka Kansai Intl
41h 56m
2 stops
STL6:16 pmLambert-St Louis
$1,126
United Airlines
Oct 26
STL8:00 amLambert-St Louis
18h 45m
1 stop
KIX4:45 pmOsaka Kansai Intl
Nov 2
KIX3:20 pmOsaka Kansai Intl
45h 32m
2 stops
STL9:52 pmLambert-St Louis
$1,168

Cathay Pacific flights from St. Louis to Osaka

Our best Cathay Pacific deals on St. Louis to Osaka flight tickets
Cathay Pacific
Oct 7
STL1:06 pmLambert-St Louis
36h 04m
2 stops
KIX3:10 pmOsaka Kansai Intl
Oct 20
KIX9:05 amOsaka Kansai Intl
26h 54m
2 stops
STL9:59 pmLambert-St Louis
$1,124
Cathay Pacific
Oct 7
STL1:06 pmLambert-St Louis
36h 04m
2 stops
KIX3:10 pmOsaka Kansai Intl
Oct 20
KIX4:15 pmOsaka Kansai Intl
45h 44m
3 stops
STL11:59 pmLambert-St Louis
$1,230
Cathay Pacific
Feb 5
STL7:25 amLambert-St Louis
43h 15m
2 stops
KIX5:40 pmOsaka Kansai Intl
Feb 21
KIX4:15 pmOsaka Kansai Intl
46h 29m
3 stops
STL11:44 pmLambert-St Louis
$1,280

momondo Fare Finder

 
Use the filters below to find and compare flights from St. Louis to Osaka that are best for you.

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Route

Depart

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Price

Cheapest round-trip

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sat 11/21

6:00 am-5:40 pm

2 stops44h 40m

Osaka Kansai Intl

Thu 12/3

3:20 pm-3:26 pm

2 stops39h 06m

$1,034

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Fri 11/20

6:50 pm-5:40 pm

2 stops55h 50m

Osaka Kansai Intl

Thu 12/3

3:20 pm-3:26 pm

2 stops39h 06m

$1,046

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 2/1

7:30 am-5:40 pm

2 stops43h 10m

Osaka Kansai Intl

Fri 2/5

3:20 pm-3:26 pm

2 stops39h 06m

$1,074
Quickest round-trip

St. LouisOsaka

STL Lambert-St Louis - ITM Osaka Itami

STLITM

Lambert-St Louis

Sun 11/22

7:30 am-7:00 pm

2 stops20h 30m

Osaka Itami

Thu 12/3

8:00 am-12:10 pm

2 stops19h 10m

$1,109

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Sat 11/21

6:00 am-5:40 pm

2 stops44h 40m

Osaka Kansai Intl

Fri 12/4

3:20 pm-3:26 pm

2 stops39h 06m

$1,109

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Mon 11/23

1:08 pm-9:50 pm

2 stops41h 42m

Osaka Kansai Intl

Wed 12/2

9:00 pm-12:10 pm

2 stops30h 10m

$1,111

St. LouisOsaka

STL Lambert-St Louis - ITM Osaka Itami

STLITM

Lambert-St Louis

Mon 11/23

6:15 am-6:10 pm

2 stops20h 55m

Osaka Itami

Wed 12/2

12:00 pm-5:04 pm

2 stops20h 04m

$1,111

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Thu 10/29

4:05 pm-5:40 pm

2 stops35h 35m

Osaka Kansai Intl

Thu 11/5

7:25 pm-3:26 pm

2 stops35h 01m

$1,112

St. LouisOsaka

STL Lambert-St Louis - KIX Osaka Kansai Intl

STLKIX

Lambert-St Louis

Fri 10/16

12:10 pm-4:25 pm

2 stops38h 15m

Osaka Kansai Intl

Mon 10/26

7:25 pm-3:23 pm

2 stops33h 58m

$1,115

St. LouisOsaka

STL Lambert-St Louis - ITM Osaka Itami

STLITM

Lambert-St Louis

Mon 11/23

1:08 pm-7:00 pm

2 stops38h 52m

Osaka Itami

Thu 12/3

8:00 am-12:10 pm

2 stops19h 10m

$1,115

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Osaka from

How to get the cheapest flight ticket from St. Louis to Osaka

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Osaka?

Prices are currently high for flights on this route.

Typical prices usually range from $968 to $1,071.
The lowest price recently found on this route was $1,074.

What is the cheapest month to fly to Osaka?

In general, April is the cheapest month to fly from St. Louis to Osaka. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you are unable to visit Osaka during the month of April, then departing from St. Louis during the month January is also very affordable. Most momondo users find prices during this month for around $0.

Can stopping save me money on St. Louis to Osaka flights?

You could potentially save up to 7% on your flight if you consider stops on a St. Louis to Osaka flight.

When to book flights from St. Louis to Osaka

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Osaka according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Osaka (STL to OSA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Osaka

Best Price Found

$1,034

Fastest flight time

21h 20m

Direct flights

None
The best flight deal from St. Louis to Osaka found on momondo in the last 72 hours is $1,034
The fastest flight from St. Louis to Osaka takes 21h 20m
There are no direct flights from St. Louis to Osaka. There are no popular flight routes from St. Louis to Osaka.
Search flight deals

Frequently asked questions about flying from St. Louis to Osaka

  • How far is Lambert-St Louis to Osaka by plane?

    The straight-line distance from Lambert-St Louis to Osaka is 6585.1 mi. 21h 20m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Osaka?

    Prices for flights from Lambert-St Louis Airport to Osaka are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Osaka?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Osaka.

  • What documentation or ID do you need to fly to Osaka?

    The travel and health documents you'll need for your trip to Osaka may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Osaka. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Osaka?

Traveling to a place near Osaka?

Book flights to Osaka if you plan to visit one of these locations
Nara
Nishinomiya

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Why should I use momondo to find a flight deal from St. Louis to Osaka?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Osaka. momondo saves you time and could save you money on your trip.

Can I find flights from St. Louis to Osaka with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Osaka from St. Louis with this policy.

How can momondo help me find flights from St. Louis to Osaka?

momondo helps you find the best flight between St. Louis and Osaka by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from St. Louis to Osaka right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Osaka, momondo offers a useful price alert feature which will track prices for flights to Osaka from St. Louis and alert you when they change.

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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Osaka Itami Airport
Osaka Kansai Intl Airport