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Cheap flights from St. Louis to Osaka from $367

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Osaka departing on 7/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from St. Louis to Osaka

Cheap round-trip flights

These are some of the best round-trip flight deals from St. Louis to Osaka that have been recently found on momondo from popular airlines, departing in the coming months.
10:40 am - 2:50 pmSTL-KIX
38h 10m2 stops
8:30 am - 7:18 pmKIX-STL
24h 48m2 stops
$894United Airlines
Find Deal
Wed, Apr 9 - Wed, Apr 16
7:04 am - 5:35 pmSTL-ITM
20h 31m2 stops
7:25 am - 3:13 pmITM-STL
21h 48m2 stops
$933American Airlines
Find Deal
Wed, Apr 9 - Wed, Apr 16
5:55 am - 2:15 pmSTL-KIX
42h 20m2 stops
6:45 am - 4:41 pmKIX-STL
23h 56m2 stops
Tue, Mar 25 - Tue, Apr 1
7:35 am - 10:15 pmSTL-KIX
24h 40m2 stops
6:45 am - 4:15 pmKIX-STL
23h 30m2 stops
$1,005Japan Airlines
Find Deal
Wed, Apr 9 - Wed, Apr 16
5:55 am - 10:15 pmSTL-KIX
26h 20m2 stops
6:45 am - 5:59 pmKIX-STL
25h 14m2 stops
$1,009Japan Airlines
Find Deal
Tue, Mar 25 - Tue, Apr 1
3:43 pm - 8:05 amSTL-ITM
26h 22m2 stops
7:05 am - 2:53 pmITM-STL
21h 48m2 stops
$1,335ANA
Find Deal
Mon, May 19 - Tue, Jun 3
8:10 am - 7:25 amSTL-ITM
33h 15m2 stops
7:30 am - 7:37 pmITM-STL
26h 07m2 stops
$1,353ANA
Find Deal
Fri, May 23 - Mon, May 26
12:00 pm - 6:40 amSTL-KIX
28h 40m2 stops
4:20 pm - 11:16 pmKIX-STL
44h 56m3 stops
$1,474Cathay Pacific
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Wed, Apr 9 - Wed, Apr 16
12:00 pm - 6:40 amSTL-KIX
28h 40m2 stops
4:20 pm - 11:16 pmKIX-STL
44h 56m3 stops
$1,482Cathay Pacific
Find Deal
Wed, Apr 9 - Wed, Apr 16
6:44 am - 8:55 pmSTL-KIX
24h 11m2 stops
9:30 am - 11:59 pmKIX-STL
28h 29m3 stops
$1,569
Find Deal
Thu, Apr 10 - Thu, Apr 17

United Airlines flights from St. Louis to Osaka

Our best United Airlines deals on St. Louis to Osaka flight tickets
United Airlines
Feb 28
STL8:20 amLambert-St Louis
65h 15m
2 stops
KIX4:35 pmOsaka Kansai Intl
Mar 7
KIX6:30 pmOsaka Kansai Intl
32h 42m
2 stops
STL12:12 pmLambert-St Louis
United Airlines
Apr 9
STL10:40 amLambert-St Louis
38h 10m
2 stops
KIX2:50 pmOsaka Kansai Intl
Apr 16
KIX8:30 amOsaka Kansai Intl
24h 48m
2 stops
STL7:18 pmLambert-St Louis
United Airlines
Jul 20
STL6:00 amLambert-St Louis
21h 05m
2 stops
ITM5:05 pmOsaka Itami
Aug 12
ITM12:00 pmOsaka Itami
30h 58m
2 stops
STL4:58 amLambert-St Louis

Japan Airlines flights from St. Louis to Osaka

Our best Japan Airlines deals on St. Louis to Osaka flight tickets
Japan Airlines
Apr 9
STL7:35 amLambert-St Louis
24h 40m
2 stops
KIX10:15 pmOsaka Kansai Intl
Apr 16
KIX6:45 amOsaka Kansai Intl
23h 30m
2 stops
STL4:15 pmLambert-St Louis
Japan Airlines
Mar 25
STL5:55 amLambert-St Louis
26h 20m
2 stops
KIX10:15 pmOsaka Kansai Intl
Apr 1
KIX6:45 amOsaka Kansai Intl
25h 14m
2 stops
STL5:59 pmLambert-St Louis
Japan Airlines
Mar 25
STL5:55 amLambert-St Louis
26h 20m
2 stops
KIX10:15 pmOsaka Kansai Intl
Apr 1
KIX6:45 amOsaka Kansai Intl
25h 14m
2 stops
STL5:59 pmLambert-St Louis

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 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.

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

Our data shows that the cheapest St. Louis to Osaka flights are usually those with departure times in the morning. Our users have found flights to Osaka in the morning for as low as $1,517. Flights to Osaka are more costly in the morning, with an average ticket price of $1,517. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

$367

Fastest flight time

17h 50m

Direct flights

None

Airports in Osaka

2 airports
The best one-way flight to Osaka from St. Louis in the past 72 hours is $367. The best round-trip flight deal from St. Louis to Osaka found on momondo in the last 72 hours is $894.
The fastest flight from St. Louis to Osaka takes 17h 50m
There are no direct flights from St. Louis to Osaka. Popular non-direct routes for this connection are Lambert-St Louis Airport - Osaka Kansai Intl Airport and Lambert-St Louis Airport - Osaka Itami Airport.
There are 2 airports near Osaka: Osaka Itami (ITM), Osaka Kansai Intl (KIX)

  • 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 50m 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 many operators does momondo search for flights from Lambert-St Louis Airport to Osaka?

  • 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?


Best airlines flying from St. Louis to Osaka

Compare and see reviews for airlines that fly from St. Louis to Osaka with momondo
Airline
Rating
Free Cancellation
Price
Japan AirlinesPriceFrom $723Free CancellationRating
8.3
1,440 reviews
Search Japan Airlines flights
United AirlinesPriceFrom $778Free CancellationRating
7.4
8,742 reviews
Search United Airlines flights

Traveling to a place near Osaka?

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


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Find better results for your trip to Japan

Fly into one of these airports located in Osaka

Airports listed have a maximum distance of 22.5 mi from Osaka