$412 Cheap Flights from Christchurch (CHC) to St. Louis (STL)

View $412 flight on Fri, Jan 23, 2026Opens in a new window

Popular airlines from Christchurch International Airport (CHC) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Christchurch to St. Louis (CHC-STL)

Prices were available within the past 7 days and start at $412 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL) cost?
Get a cheap one-way flight from $412 or cheap return flight from Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Christchurch Intl. Airport (CHC) 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 CHC and STL. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest CHC to STL flight.
How many flights per day from Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL)?
Direct flights from Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from CHC to STL?
You'll typically find Tuesday the quietest day for flights, while Fridays are often 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 Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL)?
To arrive at Lambert-St. Louis Intl. Airport (STL) on time, book a flight that leaves from Christchurch Intl. Airport (CHC) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from CHC to STL are usually more expensive. To secure the best prices, start looking for flights well ahead of time. That being said, if you can play around with your travel dates, you may score a cheap ticket right before your journey.
Is it cheaper to book a CHC to STL flight and hotel package?
Opting for a CHC to STL flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our impressive range of accommodations and then add car rentals, flights and activities to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Christchurch Intl. Airport (CHC) to Lambert-St. Louis Intl. Airport (STL)?
If you booked your CHC to STL flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Christchurch Intl.
Destination airport
Lambert-St. Louis Intl.
Distance
8293 mi

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Christchurch to St. Louis Flights

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

 

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

Sunday is one of the best days to book for cheap flights from Christchurch 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 Christchurch 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 Christchurch to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $412 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 Christchurch 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 Christchurch 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.

 

Christchurch to St. Louis Flights

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*Available to One Key members.