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Cheap flights from St. Louis to Christchurch from $1,980

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 Christchurch departing on 5/25. 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 Christchurch

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air New Zealand Logo
8:35 am - 9:35 am
STL
-
CHC
32h 00m
2 stops
Air New Zealand Logo
6:30 am - 6:17 pm
CHC
-
STL
28h 47m
2 stops
$1,980Air New Zealand
Mon, May 25 - Mon, Jun 1
Air Canada Logo
2:15 pm - 11:05 pm
STL
-
CHC
39h 50m
3 stops
Air Canada Logo
6:00 am - 11:57 pm
CHC
-
STL
34h 57m
3 stops
$2,000Air Canada
Mon, May 25 - Mon, Jun 1
United Airlines Logo
11:10 am - 10:25 am
STL
-
CHC
30h 15m
2 stops
United Airlines Logo
6:10 am - 3:46 pm
CHC
-
STL
50h 36m
3 stops
$2,219United Airlines
Mon, May 25 - Mon, Jun 1

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Christchurch 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 April 13, 2026.
Use the filters below to find and compare flights from St. Louis to Christchurch that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Mon 5/25

8:35 am-9:35 am

2 stops32h 00m

Christchurch

Mon 6/1

6:30 am-6:17 pm

2 stops28h 47m

$1,980

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Mon 5/25

2:15 pm-11:05 pm

3 stops39h 50m

Christchurch

Mon 6/1

6:00 am-11:57 pm

3 stops34h 57m

$2,000

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Mon 5/25

11:10 am-10:25 am

2 stops30h 15m

Christchurch

Mon 6/1

6:10 am-3:46 pm

3 stops50h 36m

$2,219

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from St. Louis to Christchurch

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

Cheap St. Louis to Christchurch (STL to CHC) flight deals and tips

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

Fastest flight time

32h 00m

Direct flights

None
The fastest flight from St. Louis to Christchurch takes 32h 00m
There are no direct flights from St. Louis to Christchurch. There are no popular flight routes from St. Louis to Christchurch.
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Frequently asked questions about flying from St. Louis to Christchurch

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

    A flight from Lambert-St Louis to Christchurch will travel around 8288.4 mi. Typically, this will take 32h 00m by plane in normal conditions.

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Lambert-St Louis Airport to Christchurch Airport.

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

    The travel and health documents required for your trip to Christchurch Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Christchurch Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from St. Louis to Christchurch

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

    Confirm your travel details to search for the latest offers for flights from St. Louis to Christchurch. While browsing offers there will be the option to toggle “Price Alerts”. You’ll then receive updates when prices for the flight route increase or decrease.

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

    Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Traveling to a place near Christchurch?

Book flights to Christchurch if you plan to visit one of these locations
Springfield
Lincoln

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from St. Louis to Christchurch for you.

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

Yes. All flights to Christchurch 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 Christchurch?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Christchurch from St. Louis.

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

If you are simply researching potential flights to Christchurch, momondo offers a useful price alert feature which will track prices for flights to Christchurch from St. Louis and alert you when they change.

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