$422 Cheap Flights from St. Louis (STL) to Hiroshima (HIJ)

View $422 flight on Sun, Sep 28, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Hiroshima Airport (HIJ)

Cheap Flights from St. Louis to Hiroshima (STL-HIJ)

Prices were available within the past 7 days and start at $422 for one-way flights and $693 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All Nippon Airways
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$693 Roundtrip, found 5 days ago
$693
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $693 found 5 days ago
All Nippon Airways
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$739 Roundtrip, found 5 days ago
$739
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $739 found 5 days ago
Japan Airlines
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$828 Roundtrip, found 5 days ago
$828
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $828 found 5 days ago
All Nippon Airways
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$842 Roundtrip, found 5 days ago
$842
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $842 found 5 days ago
Japan Airlines
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$844 Roundtrip, found 5 days ago
$844
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $844 found 5 days ago
Japan Airlines
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$848 Roundtrip, found 5 days ago
$848
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $848 found 5 days ago
Japan Airlines
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$853 Roundtrip, found 5 days ago
$853
Roundtrip
found 5 days ago
Select Japan Airlines flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $853 found 5 days ago
Air Canada
Tue, Jan 27 - Tue, Feb 3
STL
St. Louis
HIJ
Hiroshima
$875 Roundtrip, found 5 days ago
$875
Roundtrip
found 5 days ago
Select Air Canada flight, departing Tue, Jan 27 from St. Louis to Hiroshima, returning Tue, Feb 3, priced at $875 found 5 days ago
United
Mon, Nov 10 - Wed, Nov 12
STL
St. Louis
HIJ
Hiroshima
$954 Roundtrip, found 1 day ago
$954
Roundtrip
found 1 day ago
Select United flight, departing Mon, Nov 10 from St. Louis to Hiroshima, returning Wed, Nov 12, priced at $954 found 1 day ago
American Airlines
Mon, Nov 10 - Wed, Nov 12
STL
St. Louis
HIJ
Hiroshima
$1,034 Roundtrip, found 1 day ago
$1,034
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Nov 10 from St. Louis to Hiroshima, returning Wed, Nov 12, priced at $1,034 found 1 day ago

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ) cost?
Get a cheap one-way flight from $422 or cheap return flight from $693 from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ)?
The cheapest month to fly from STL to HIJ is January, when demand is low. Off-peak season is typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ)?
To find the cheapest airline that'll fly you from STL to HIJ, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and ideal departure window. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ)?
You'll need to catch a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from STL to HIJ?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ)?
Select a flight from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ) last-minute?
Booking your flight from STL to HIJ just before your getaway is typically more expensive. But if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a STL to HIJ flight and hotel package?
You'll generally save money by booking a STL to HIJ flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. Once you've chosen your preferred flights and accommodations, you can add extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Hiroshima Airport (HIJ)?
In most instances, you can cancel or modify your STL to HIJ flight. However, additional charges may apply, especially if your booking was made over 24 hours ago. Check your itinerary for the airline's fees and rules on flight changes, or if you'd like further information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Lambert-St. Louis Intl.
Destination airport
Hiroshima
Airlines serving
All Nippon Airways, Japan Airlines, United
Roundtrip price
$692
Distance
6671 mi

Book with confidence

Book with confidence

St. Louis to Hiroshima Flights

The cheapest times to fly from St. Louis to Hiroshima

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Hiroshima are during the month of January. You can find some of the cheapest flights from St. Louis to Hiroshima with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Hiroshima

Sunday is one of the best days to book for cheap flights from St. Louis to Hiroshima: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Hiroshima

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Hiroshima in 2025. You can also book with separate airlines for your outbound and return journeys, from $422 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Hiroshima flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Hiroshima airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Louis to Hiroshima Flights

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.