Cheap flights from St. Louis, MO to Osaka

Flights starting at $504. Choose between United Airlines, Frontier Airlines, or Hawaiian Airlines to find the best price.

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How much do flights to Osaka cost?

Key info about flying to Osaka

Depart from
St. Louis Lambert International
Arrive to
Kansai International
Average flights per week
110
Flight distance
Worth visiting
Arashiyama - Kyoto, Japan - Kinkaku-Ji - Himeji-Jo - Gion District, Japan - Koya-San, Japan - Awaji

Check-in for a flight from St. Louis to Osaka

NameCarrier codeIATA CodePassport needed during booking
United AirlinesUALUAYes
Frontier AirlinesFFTF9No
Hawaiian AirlinesHALHANo
Alaska AirlinesASAASNo
All Nippon AirwaysANANHYes

Weather in Osaka

Average Weather

MonthAverage monthly max temperatureAverage monthly min temperature
January8°C2°C
February9°C2°C
March13°C5°C
April18°C9°C
May23°C14°C
June26°C18°C
July30°C23°C
August32°C24°C
September28°C21°C
October22°C15°C
November16°C9°C
December10°C4°C
Hottest Month
32°C
August
Coldest month
2°C
January
Sunny days
277
days per year

14 day forecast

Saturday
14 Dec
97%
8°C5°C
21 Dec
81%
9°C5°C
Sunday
15 Dec
88%
10°C5°C
22 Dec
89%
7°C4°C
Monday
16 Dec
11°C6°C
23 Dec
7°C3°C
Tuesday
17 Dec
89%
11°C6°C
24 Dec
7°C4°C
Wednesday
18 Dec
84%
10°C5°C
25 Dec
9°C4°C
Thursday
19 Dec
7°C4°C
26 Dec
74%
11°C3°C
Friday
20 Dec
88%
5°C3°C
27 Dec
9°C4°C
Book your trip to arrive at Kansai International, or Itami. The most popular airlines for this route are United Airlines, Frontier Airlines, Hawaiian Airlines, Alaska Airlines, and All Nippon Airways. St. Louis and Osaka have 110 direct flights per week. When you arrive at Osaka, consider visiting Arashiyama - Kyoto, Japan, Kinkaku-Ji, Himeji-Jo, Gion District, Japan, Koya-San, Japan, and Awaji.

Frequently asked questions

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