Cheap flights from St. Louis (STL) to Osaka (OSA) from $1,366

STL — OSA
Mar 22 — Mar 291

How to find the cheapest flight from St. Louis (STL) to Osaka (OSA)

All the information you need to plan the best STL to OSA flight in 2023: compare St. Louis to Osaka flight prices with the expected peak season, weather and rainfall in Osaka.

STL - OSA

Price

$1,010 - $2,307

OSA

Temperature

42.8 - 84.2 °F

OSA

Rainfall

1.6 - 7.9 inches

Popular inAugustHigh demand for flights, 34% potential price rise
Cheapest inJulyBest time to find cheap flights, 34% potential price drop
Average price$1,515Average for round-trip flights in March 2023
Round-trip from$1,010From Lambert-St Louis to Osaka (OSA)

Thursday flights are found to be more expensive to fly from St. Louis to Osaka. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Osaka.

The best pricing can be found in the month of July. Prices to Osaka from St. Louis average $1,532. You can even find prices in July for less than $1,532, as users have found deals to Osaka from as low as $1,010. The month of August appears to be one of the more expensive times to travel to Osaka from St. Louis. Flying in the targeted month can save you up to 50%.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Osaka as you normally would.

Cheap flights from St. Louis to Osaka in March, April 2023

The best prices found for STL to OSA flights for March, April

St. Louis to Osaka 2023 flight deals

Cheap flights to Osaka from St. Louis found for this year

Cheap United Airlines flights from St. Louis to Osaka

Cheap Qatar Airways flights from St. Louis to Osaka

Last minute flights from St. Louis to Osaka

Late deals on return flights to Osaka from St. Louis, departing today and this week

Find flights from St. Louis to Osaka within your budget

Use the slider to find flights from St. Louis to Osaka that fit your budget.

Fly from

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Budget

$1,366 - $2,557

Route

Depart

Return

Price

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

2023-04-12

2 stops40h 34m

Osaka Kansai Intl

2023-06-06

2 stops46h 20m

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

2023-04-12

2 stops37h 05m

Osaka Kansai Intl

2023-06-06

2 stops35h 00m

Lambert-St LouisOsaka Itami

STL - ITM

STLITM

Lambert-St Louis

2023-04-13

2 stops21h 15m

Osaka Itami

2023-04-20

2 stops20h 59m

Lambert-St LouisOsaka Itami

STL - ITM

STLITM

Lambert-St Louis

2023-07-25

2 stops21h 59m

Osaka Itami

2023-08-09

2 stops24h 02m

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

2023-04-13

2 stops24h 20m

Osaka Kansai Intl

2023-04-20

2 stops27h 46m

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

2023-07-25

2 stops25h 39m

Osaka Kansai Intl

2023-08-09

2 stops20h 47m

Lambert-St LouisOsaka Itami

STL - ITM

STLITM

Lambert-St Louis

2023-07-25

3 stops44h 21m

Osaka Itami

2023-08-09

2 stops42h 42m

Lambert-St LouisOsaka Itami

STL - ITM

STLITM

Lambert-St Louis

2023-07-25

2 stops23h 39m

Osaka Itami

2023-08-12

2 stops18h 42m

Lambert-St LouisOsaka Kansai Intl

STL - KIX

STLKIX

Lambert-St Louis

2023-04-13

3 stops49h 45m

Osaka Kansai Intl

2023-04-20

3 stops40h 25m

Flights are sorted by cheapest first

Deals found on 3/15

Reviews of Airlines Servicing Osaka

ANA
8.1
Very good
60 reviews

Food

7.6

Comfort

7.9

Crew

8.4

Overall

8.1

Boarding

8.3

Entertainment

7.5

Reviews

1 / 10

Food was good. Seats were very comfortable; more spacious. Flight Attendants were very helpful.

ANA
8.1
Very good
60 reviews
ANA
8.1
Very good
60 reviews

Food

7.6

Comfort

7.9

Crew

8.4

Overall

8.1

Boarding

8.3

Entertainment

7.5

Reviews

1 / 10

Food was good. Seats were very comfortable; more spacious. Flight Attendants were very helpful.

Japan Airlines
8.0
Very good
194 reviews
ANA
8.1
Very good
60 reviews

Food

7.6

Comfort

7.9

Crew

8.4

Overall

8.1

Boarding

8.3

Entertainment

7.5

Reviews

1 / 10

Food was good. Seats were very comfortable; more spacious. Flight Attendants were very helpful.

United Airlines
7.6
Good
1,425 reviews
ANA
8.1
Very good
60 reviews

Food

7.6

Comfort

7.9

Crew

8.4

Overall

8.1

Boarding

8.3

Entertainment

7.5

Reviews

1 / 10

Food was good. Seats were very comfortable; more spacious. Flight Attendants were very helpful.

KLM
7.5
Good
140 reviews
ANA
8.1
Very good
60 reviews

Food

7.6

Comfort

7.9

Crew

8.4

Overall

8.1

Boarding

8.3

Entertainment

7.5

Reviews

1 / 10

Food was good. Seats were very comfortable; more spacious. Flight Attendants were very helpful.

American Airlines
7.4
Good
1,692 reviews
ANA
8.1
Very good
60 reviews

Food

7.6

Comfort

7.9

Crew

8.4

Overall

8.1

Boarding

8.3

Entertainment

7.5

Reviews

1 / 10

Food was good. Seats were very comfortable; more spacious. Flight Attendants were very helpful.

Related info for your journey

Useful info, stats and facts about St. Louis to Osaka flights.

Located just 12.7 mi from the city center, Lambert-St Louis is the airport most travelers will use when flying to Osaka from St. Louis. Booking flights from Lambert-St Louis (STL) to Osaka should be relatively easy as there are 0 daily outbound flights to Osaka from 1 airline.

ANA is one of the carriers that may have flexible change policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Yes, there are multiple flights from St. Louis to Osaka for under $1,400. The cheapest flight booked recently is on Multiple Airlines for just $1,366, but on average you can expect to pay $1,721.

There are currently 1+ open flights from St. Louis to Osaka within the next 7 days for less than $1,900.

According to our current data, Japan Airlines ($1,416), ANA ($1,535), and United Airlines ($1,770) offers the cheapest pricing from St. Louis to Osaka. Users have found that Japan Airlines is 7% cheaper than the other options available to this destination.

The cheapest flight price from St. Louis to Osaka is $844. On average you can expect to pay $2,946. The most popular route, (Lambert-St Louis - Osaka Itami), can usually be booked for $1,416.

Lambert-St Louis Airport is STL and Osaka Kansai Intl Airport is KIX. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service. Ready for more IATA code knowledge? These are related airports for your current travel destination: Osaka Itami Airport (ITM), Kobe Airport (UKB).

Top airline flying from St. Louis to Osaka

The chart below displays the airlines Cheapflights users traveling from St. Louis to Osaka choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
ANACheapest$1,023Average$1,621FlexibilityNo cancel feeOn-time80%COVID-19 safety
Search ANA flights
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