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Osaka

$476+ Cheap flights from St. Louis (STL) to Osaka (OSA)

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
STL — OSA
Dec 27 — Jan 31
Fri 12/27
Fri 1/3
1 adult, Economy
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Cheap flight deals from St. Louis to Osaka

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Osaka (OSA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 22, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$852
(United)

Popular in

June

Cheapest in

September
Provider with most accurate pricing for Lambert-St Louis-Osaka (OSA) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Osaka (OSA) flights.
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From Lambert-St Louis to Osaka (OSA)
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High demand for flights, 30% potential price rise
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Best time to find cheap flights, 6% potential price drop
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Find flight deals from St. Louis to Osaka

Best flights from St. Louis to Osaka
Discover carefully curated flight deals from St. Louis to Osaka that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 22, 2024.

This United deal was found by Cheapflights users on 12/21. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/55:30 pmSTL - KIX
2 stops56h 05mUnited Airlines
Sat 1/256:30 pmKIX - STL
1 stop15h 29mUnited Airlines
Deal found 12/21$852
This American Airlines deal was found by Cheapflights users on 12/21. 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.
Mon 5/198:01 amSTL - ITM
2 stops22h 29mAmerican Airlines
Tue 6/37:25 amITM - STL
2 stops21h 10mAmerican Airlines
Deal found 12/21$970
This Gurufare deal was found by Cheapflights users on 12/21. 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.
Sun 1/56:30 amSTL - ITM
2 stops22h 25mJapan Airlines
Sat 1/257:25 amITM - STL
2 stops18h 52mJapan Airlines
Deal found 12/21$1,153
This CheapOair deal was found by Cheapflights users on 12/21. 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 4/57:02 pmSTL - KIX
2 stops29h 08mMultiple Airlines
Sat 4/196:05 pmKIX - STL
2 stops34h 54mMultiple Airlines
Deal found 12/21$1,224
This Justfly.com deal was found by Cheapflights users on 12/21. 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.
Fri 4/119:39 amSTL - ITM
2 stops19h 31mANA
Sat 4/267:00 pmITM - STL
2 stops33h 45mANA
Deal found 12/21$1,341
This oojo deal was found by Cheapflights users on 12/21. 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.
Sat 4/57:02 pmSTL - KIX
3 stops53h 53mCathay Pacific
Sat 4/194:20 pmKIX - STL
3 stops44h 34mCathay Pacific
Deal found 12/21$1,680
This American Airlines deal was found by Cheapflights users on 12/21. 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 1/56:30 amSTL - KIX
1 stop21h 20mAmerican Airlines
Sat 1/185:50 pmKIX - STL
2 stops17h 38mAmerican Airlines
Deal found 12/21$1,166
This Gurufare deal was found by Cheapflights users on 12/21. 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 4/57:02 pmSTL - KIX
2 stops29h 08mJapan Airlines
Sat 4/195:45 pmKIX - STL
1 stop19h 09mJapan Airlines
Deal found 12/21$1,571
This Qatar Airways deal was found by Cheapflights users on 12/21. 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 4/51:42 pmSTL - ITM
3 stops52h 53mQatar Airways
Sat 4/194:30 pmITM - STL
3 stops43h 26mQatar Airways
Deal found 12/21$3,326
This CheapOair deal was found by Cheapflights users on 12/21. 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 4/123:40 pmSTL - KIX
2 stops40h 15mANA
Sat 4/267:00 amKIX - STL
2 stops19h 20mANA
Deal found 12/21$1,681

Find flights from St. Louis to Osaka within your budget

Customize your flight search to find flights from St. Louis to Osaka 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 December 22, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Mon 1/20

4:36 pm-4:35 pm

2 stops32h 59m

Osaka Kansai Intl

Mon 1/27

6:30 pm-12:48 pm

2 stops33h 18m

$838

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Mon 5/19

3:44 pm-8:35 pm

2 stops38h 51m

Osaka Itami

Tue 6/3

8:00 am-4:35 pm

2 stops22h 35m

$931

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Mon 5/19

9:58 am-8:30 pm

2 stops20h 32m

Osaka Itami

Tue 6/3

8:30 am-4:15 pm

2 stops21h 45m

$970

St. LouisOsaka

STL - ITM

STLITM

Lambert-St Louis

Sun 1/5

6:30 am-7:55 pm

2 stops22h 25m

Osaka Itami

Sat 1/25

7:25 am-11:17 am

2 stops18h 52m

$1,153

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 1/5

6:30 am-6:50 pm

1 stop21h 20m

Osaka Kansai Intl

Sat 1/18

5:50 pm-8:28 pm

2 stops17h 38m

$1,166

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sun 1/5

8:50 am-4:35 pm

1 stop40h 45m

Osaka Kansai Intl

Sat 1/25

6:30 pm-6:59 pm

1 stop15h 29m

$1,262

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 4/5

6:15 am-9:55 pm

2 stops25h 40m

Osaka Kansai Intl

Sat 4/19

7:00 am-8:04 pm

2 stops27h 04m

$1,432

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 4/5

7:02 pm-6:55 pm

1 stop33h 53m

Osaka Kansai Intl

Sat 4/19

6:40 am-2:33 pm

2 stops21h 53m

$1,575

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 4/5

7:02 pm-2:55 pm

3 stops53h 53m

Osaka Kansai Intl

Sat 4/19

4:20 pm-10:54 pm

3 stops44h 34m

$1,681

St. LouisOsaka

STL - KIX

STLKIX

Lambert-St Louis

Sat 4/12

4:45 pm-4:25 pm

2 stops33h 40m

Osaka Kansai Intl

Sat 4/26

6:05 pm-2:59 pm

2 stops34h 54m

$1,720

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 16 results
1
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Compare providers for flights from St. Louis to Osaka

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Osaka in December.
ProviderPrice AccuracyTrust Score*
AranGrantPrice Accuracy3 starsTrust Score*2 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Osaka flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Osaka flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Osaka flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Osaka flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Osaka flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from St. Louis to Osaka

Have a flexible travel schedule? Discover the best time to fly to Osaka from St. Louis with our price prediction graph.
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.

Travel insights for flights from St. Louis to Osaka

Get recent, data-driven insights about flights from St. Louis to Osaka including ideal travel times, pricing trends, and more.

Rainfall in Osaka by month

Plan your trip to Osaka by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Osaka ranges from 1.6 - 7.9 inches per month. June is typically the wettest month, when rainfall can reach 7.9 in. January is typically the driest time to visit Osaka when rainfall is around 1.6 in.

Temperature in Osaka by month

Plan your trip to Osaka by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Osaka, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 42.8 F).

Reviews of airlines servicing Osaka

Get insights into the airlines that provide service to Osaka. 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 Osaka. Reviews last updated December 22, 2024.
See what other customers who have flown with American Airlines, Japan Airlines and ANA from St. Louis to Osaka have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very good
844 reviews

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

ANA
8.4
Very good
844 reviews
ANA
8.4
Very good
844 reviews

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Japan Airlines
8.3
Very good
1,440 reviews
ANA
8.4
Very good
844 reviews

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Qatar Airways
7.5
Good
3,789 reviews
ANA
8.4
Very good
844 reviews

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Cathay Pacific
7.5
Good
835 reviews
ANA
8.4
Very good
844 reviews

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

United Airlines
7.4
Good
9,028 reviews
ANA
8.4
Very good
844 reviews

Crew

8.7

Food

7.7

Comfort

8.2

Overall

8.4

Boarding

8.6

Entertainment

7.9

Reviews

1 / 10

Your hospitality was excellent, very polite and kind. The meal was tasty and good. The buns were cold. Who likes cold buns?

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Osaka. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Osaka?

    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 2 different airlines.

  • What are the cheapest airlines flying from St. Louis to Osaka round-trip?

    According to our current data, United Airlines ($852), American Airlines ($970), and Japan Airlines ($1,153) offers the cheapest pricing from St. Louis to Osaka. Users have found that United Airlines is 37% cheaper than the other options available to this destination.

  • Can I find deals for flights from St. Louis to Osaka that include hotel bookings?

    Yes. In addition to deals on St. Louis to Osaka flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Osaka?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Osaka.

  • Can I find deals for business class flights from St. Louis to Osaka?

    Yes. Cheapflights offers flight deals from St. Louis to Osaka by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Osaka?

    Currently, November is the cheapest month in which you can book a flight from St. Louis to Osaka (average of $950). Flying from St. Louis to Osaka in December is currently the most expensive (average of $1,366). 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.

See more FAQs

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Alternative routes for St. Louis to Osaka

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Kansai Intl flights
Kansas City to Itami flights
St. Louis to Kansai Intl flights

Top 2 airlines flying from St. Louis to Osaka

Discover the top 2 airlines that operate flights from St. Louis to Osaka. 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 December 22, 2024.
AirlineCheapestAverageFlexibilityOn-time
Japan AirlinesCheapest$723Average$1,313FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$778Average$1,861FlexibilityNo cancel feeOn-time69%
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