What is the cheapest airline that flies from Lambert-St Louis to Osaka?

United Airlines, ANA, and Japan Airlines are the most popular carriers operating from Lambert-St Louis to Osaka

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.

$412 Cheap Flights from St. Louis to Osaka in 2025

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

Prices are currently low for flights on this route. Typical prices usually range from $911 to $1,044. The lowest price recently found on this route was $672.

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Find the cheapest flights from St. Louis to Osaka

Round-trip

One-way

Cheap round-trip flights

4:05 pm - 8:20 pmSTL-ITM

37h 15m2 stops

4:00 pm - 3:29 pmITM-STL

38h 29m2 stops

$672Air Canada

Find Deal

dom., feb. 15 - sáb., feb. 28

4:05 pm - 7:25 pmSTL-KIX

36h 20m2 stops

3:40 pm - 3:29 pmKIX-STL

38h 49m2 stops

$675Air Canada

Find Deal

dom., feb. 15 - sáb., feb. 28

6:10 am - 6:50 pmSTL-KIX

21h 40m1 stop

5:50 pm - 11:08 pmKIX-STL

20h 18m1 stop

$723Japan Airlines

Find Deal

dom., feb. 15 - sáb., feb. 28

9:20 am - 6:55 pmSTL-ITM

19h 35m2 stops

2:00 pm - 6:18 pmITM-STL

18h 18m2 stops

$724ANA

Find Deal

mar., sep. 30 - mar., oct. 7

6:10 am - 6:50 pmSTL-KIX

21h 40m1 stop

6:45 am - 11:10 amKIX-STL

19h 25m2 stops

$725Japan Airlines

Find Deal

dom., feb. 15 - sáb., feb. 28

5:28 pm - 2:50 pmSTL-KIX

31h 22m2 stops

4:50 pm - 10:49 amKIX-STL

31h 59m2 stops

$741United Airlines

Find Deal

sáb., sep. 27 - mié., oct. 1

5:28 pm - 2:50 pmSTL-KIX

31h 22m2 stops

4:50 pm - 4:54 pmKIX-STL

38h 04m1 stop

$750United Airlines

Find Deal

sáb., sep. 27 - mié., oct. 1

7:05 am - 4:40 pmSTL-KIX

18h 35m1 stop

2:10 pm - 7:25 pmKIX-STL

20h 15m2 stops

$766

Find Deal

jue., ene. 29 - vie., feb. 6

1:27 pm - 6:55 pmSTL-ITM

38h 28m2 stops

8:00 am - 7:25 pmITM-STL

26h 25m2 stops

$807ANA

Find Deal

sáb., ene. 10 - dom., ene. 18

5:15 am - 5:05 pmSTL-ITM

21h 50m3 stops

2:00 pm - 6:18 pmITM-STL

18h 18m2 stops

$1,329

Find Deal

mar., sep. 30 - mar., oct. 7

Cathay Pacific flights from St. Louis to Osaka

Our best Cathay Pacific deals on St. Louis to Osaka flight tickets

Cathay Pacific

Sep 20

STL3:59 pmLambert-St Louis

32h 56m

3 stops

KIX2:55 pmOsaka Kansai Intl

Sep 28

KIX6:35 pmOsaka Kansai Intl

42h 15m

2 stops

STL10:50 pmLambert-St Louis

$1,093

Find similar

Cathay Pacific

Sep 20

STL3:59 pmLambert-St Louis

32h 56m

3 stops

KIX2:55 pmOsaka Kansai Intl

Sep 28

KIX6:35 pmOsaka Kansai Intl

42h 15m

2 stops

STL10:50 pmLambert-St Louis

$1,102

Find similar

Cathay Pacific

Jan 5

STL5:57 pmLambert-St Louis

29h 58m

3 stops

KIX2:55 pmOsaka Kansai Intl

Apr 16

KIX10:00 amOsaka Kansai Intl

26h 29m

2 stops

STL10:29 pmLambert-St Louis

$1,146

Find similar

ANA flights from St. Louis to Osaka

Our best ANA deals on St. Louis to Osaka flight tickets

ANA

Sep 30

STL9:20 amLambert-St Louis

19h 35m

2 stops

ITM6:55 pmOsaka Itami

Oct 7

ITM2:00 pmOsaka Itami

18h 18m

2 stops

STL6:18 pmLambert-St Louis

$724

Find similar

ANA

Jan 10

STL1:27 pmLambert-St Louis

38h 28m

2 stops

ITM6:55 pmOsaka Itami

Jan 18

ITM8:00 amOsaka Itami

26h 25m

2 stops

STL7:25 pmLambert-St Louis

$807

Find similar

ANA

Jan 5

STL6:00 amLambert-St Louis

25h 20m

2 stops

KIX10:20 pmOsaka Kansai Intl

Apr 16

KIX7:00 amOsaka Kansai Intl

28h 04m

2 stops

STL9:04 pmLambert-St Louis

$890

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

dom. 2/15

4:05 pm-8:20 pm

2 stops37h 15m

Osaka Itami

sáb. 2/28

4:00 pm-3:29 pm

2 stops38h 29m

$672

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

dom. 2/15

4:05 pm-7:25 pm

2 stops36h 20m

Osaka Kansai Intl

sáb. 2/28

3:40 pm-3:29 pm

2 stops38h 49m

$675

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

dom. 2/15

6:10 am-6:50 pm

1 stop21h 40m

Osaka Kansai Intl

sáb. 2/28

5:50 pm-11:08 pm

1 stop20h 18m

$723

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

mar. 9/30

9:20 am-6:55 pm

2 stops19h 35m

Osaka Itami

mar. 10/7

2:00 pm-6:18 pm

2 stops18h 18m

$724

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

dom. 2/15

6:10 am-6:50 pm

1 stop21h 40m

Osaka Kansai Intl

sáb. 2/28

6:45 am-11:10 am

2 stops19h 25m

$725

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

sáb. 9/27

5:28 pm-2:50 pm

2 stops31h 22m

Osaka Kansai Intl

mié. 10/1

4:50 pm-10:49 am

2 stops31h 59m

$741

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

sáb. 9/27

5:28 pm-2:50 pm

2 stops31h 22m

Osaka Kansai Intl

mié. 10/1

4:50 pm-4:54 pm

1 stop38h 04m

$750

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

jue. 1/29

7:05 am-4:40 pm

1 stop18h 35m

Osaka Kansai Intl

vie. 2/6

2:10 pm-7:25 pm

2 stops20h 15m

$766

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

sáb. 1/10

1:27 pm-6:55 pm

2 stops38h 28m

Osaka Itami

dom. 1/18

8:00 am-7:25 pm

2 stops26h 25m

$807

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

mar. 9/30

5:15 am-5:05 pm

3 stops21h 50m

Osaka Itami

mar. 10/7

2:00 pm-6:18 pm

2 stops18h 18m

$1,329

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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

What is the cheapest day to depart on your flight to Osaka?

According to our data, Monday is the cheapest day to fly to Osaka from St. Louis. The lowest ticket price found for a Monday departure recently was $1,098. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Wednesday, the most expensive travel day of the week, you can expect to see flight prices from St. Louis to Osaka for around $1,835.

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

You could potentially save up to 12% 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

Direct flights	None

There are no direct flights from St. Louis to Osaka. There are no popular flight routes from St. Louis to Osaka.

Search flight deals

How far is Lambert-St Louis to Osaka by plane?
The straight-line distance from Lambert-St Louis to Osaka is 6585.1 mi. 17h 10m 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?
momondo data reveals that the most frequently booked airline on the route from St. Louis to Osaka is Japan Airlines, representing 56% of all bookings. The subsequent popular airlines are ANA at 22% and United Airlines at 22%.

Nara

Nishinomiya

Why use momondo?

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.