Cheap Flights from Iwakuni (IWK) to St. Louis (STL)

Popular airlines from Iwakuni Airport (IWK) to St. Louis Lambert Intl. Airport (STL)

Frequently asked questions

How much does a flight from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight or cheap return flight from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL)?
Planning your getaway for is a good way to save, as it's the cheapest month for flights between IWK and STL. You'll often find the lowest fares during off-peak months.
What is the cheapest airline that flies from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL)?
To find the cheapest airline flying from IWK to STL, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and seat class. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to catch a flight with a layover if you're traveling from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from IWK to STL?
Typically you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL)?
To avoid potential delays on the Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL) route, travel before 3 PM. Flights after this time have a 22% higher chance of being canceled.**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 Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Waiting until right before your break to book a flight from IWK to STL generally means paying more. While you may find some last-minute discounts, there's no guarantee. Keep your travel schedule open to maximize your chances of snagging a bargain.
Is it cheaper to book an IWK to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking an IWK to STL flight and hotel package with Expedia could lead to significant savings. What's more, having everything in one place takes the hassle out of travel planning. Just pick your flights and select from our extensive range of hotels, then tailor your trip with extras like tours and car rentals.
Can I cancel or change the date of my flight from Iwakuni Airport (IWK) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can modify or cancel your IWK to STL flight. However, there may be additional charges, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you want more information, head to our Customer Service portal.

Travel information

Origin airport
Iwakuni
Destination airport
Lambert-St. Louis Intl.
Distance
6708 mi

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Iwakuni to St. Louis Flights

The cheapest times to fly from Iwakuni to St. Louis

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 Iwakuni to St. Louis are during the month of . You can find some of the cheapest flights from Iwakuni to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Iwakuni to St. Louis: 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 Iwakuni to St. Louis

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 Iwakuni to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Iwakuni to St. Louis 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 Iwakuni to St. Louis 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.

 

Iwakuni to St. Louis Flights

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*Available to One Key members.