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Cheap flights from St. Louis to Hiroshima from $1,455

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Hiroshima departing on 8/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from St. Louis to Hiroshima

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:59 pm - 7:35 pm
STL
-
HIJ
40h 36m
2 stops
United Airlines Logo
12:35 pm - 7:11 pm
HIJ
-
STL
20h 36m
2 stops
$1,455United Airlines
Thu, Aug 20 - Mon, Aug 24
United Airlines Logo
8:00 am - 7:35 pm
STL
-
HIJ
21h 35m
2 stops
United Airlines Logo
12:35 pm - 11:44 pm
HIJ
-
STL
25h 09m
2 stops
$2,126United Airlines
Sun, Jul 12 - Sun, Jul 19
United Airlines Logo
6:01 am - 7:35 pm
STL
-
HIJ
47h 34m
3 stops
United Airlines Logo
12:35 pm - 6:13 pm
HIJ
-
STL
43h 38m
2 stops
$3,266United Airlines
Sun, Jul 12 - Sun, Jul 19

United Airlines flights from St. Louis to Hiroshima

Our best United Airlines deals on St. Louis to Hiroshima flight tickets
United Airlines
Aug 20
STL12:59 pmLambert-St Louis
40h 36m
2 stops
HIJ7:35 pmHiroshima
Aug 24
HIJ12:35 pmHiroshima
20h 36m
2 stops
STL7:11 pmLambert-St Louis
$1,455
United Airlines
Jul 12
STL8:00 amLambert-St Louis
21h 35m
2 stops
HIJ7:35 pmHiroshima
Jul 19
HIJ12:35 pmHiroshima
25h 09m
2 stops
STL11:44 pmLambert-St Louis
$2,126
United Airlines
Jul 12
STL6:01 amLambert-St Louis
47h 34m
3 stops
HIJ7:35 pmHiroshima
Jul 19
HIJ12:35 pmHiroshima
43h 38m
2 stops
STL6:13 pmLambert-St Louis
$3,266

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Hiroshima 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, momondo users made 832,500 searches. Data last updated June 1, 2026.
Use the filters below to find and compare flights from St. Louis to Hiroshima that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisHiroshima

STL - HIJ

STLHIJ

Lambert-St Louis

Thu 8/20

12:59 pm-7:35 pm

2 stops40h 36m

Hiroshima

Mon 8/24

12:35 pm-7:11 pm

2 stops20h 36m

$1,455
Quickest round-trip

St. LouisHiroshima

STL - HIJ

STLHIJ

Lambert-St Louis

Sun 7/12

8:00 am-7:35 pm

2 stops21h 35m

Hiroshima

Sun 7/19

12:35 pm-11:44 pm

2 stops25h 09m

$2,126

St. LouisHiroshima

STL - HIJ

STLHIJ

Lambert-St Louis

Sun 7/12

6:01 am-7:35 pm

3 stops47h 34m

Hiroshima

Sun 7/19

12:35 pm-6:13 pm

2 stops43h 38m

$3,266

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Hiroshima

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Hiroshima according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Hiroshima (STL to HIJ) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Hiroshima

Fastest flight time

40h 36m

Direct flights

None
The fastest flight from St. Louis to Hiroshima takes 40h 36m
There are no direct flights from St. Louis to Hiroshima. There are no popular flight routes from St. Louis to Hiroshima.
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Frequently asked questions about flying from St. Louis to Hiroshima

  • How far is Lambert-St Louis to Hiroshima by plane?

    The straight-line distance from Lambert-St Louis to Hiroshima is 6695.7 mi. Typically, this will take 40h 36m by plane in normal conditions.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Hiroshima Airport?

    Prices for flights from Lambert-St Louis Airport to Hiroshima Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Lambert-St Louis Airport to Hiroshima Airport?

    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 Hiroshima Airport.

  • What documentation or ID do you need to fly to Hiroshima Airport?

    The necessary travel and health documents for your Hiroshima Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Frequently asked questions about flying from St. Louis to Hiroshima

  • How do I get Price Alerts for flights from St. Louis to Hiroshima?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to St. Louis from Hiroshima. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from St. Louis to Hiroshima with momondo?

    By using tools like our “Price Calendar”, you can see the best day to fly round-trip for your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

Traveling to a place near Hiroshima?

Book flights to Hiroshima if you plan to visit one of these locations
Onomichi
Fukuyama

Why use momondo?

Why should I use momondo to find a flight deal from St. Louis to Hiroshima?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Hiroshima from St. Louis.

Can I find flights from St. Louis to Hiroshima with flexible booking policies on momondo?

Yes. All flights to Hiroshima from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from St. Louis to Hiroshima?

Once all potential St. Louis to Hiroshima flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from St. Louis to Hiroshima right now. Can momondo alert me if prices change?

Price alerts on flights to Hiroshima from St. Louis are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Find better results for your trip to Japan

Cabin classes currently available on flights to Hiroshima

List of cabin classes available on flights landing in Hiroshima. Availability may vary depending on flight origin and airline.
First Class to Hiroshima
Business Class to Hiroshima