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Cheap flights from St. Louis to Christchurch from $599

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Christchurch departing on 5/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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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.
Qantas Airways Logo
6:21 am - 12:20 am
STL
-
CHC
48h 59m
2 stops
Qantas Airways Logo
6:20 am - 11:57 pm
CHC
-
STL
34h 37m
2 stops
$1,012Qantas Airways
Sat, Apr 25 - Wed, Apr 29
Air New Zealand Logo
6:00 am - 3:25 pm
STL
-
CHC
40h 25m
2 stops
Air New Zealand Logo
4:40 pm - 10:27 pm
CHC
-
STL
22h 47m
2 stops
$1,262Air New Zealand
Fri, Apr 17 - Fri, Apr 24
Multiple Airlines Logo
4:49 pm - 9:35 am
STL
-
CHC
23h 46m
2 stops
Multiple Airlines Logo
9:40 am - 11:57 pm
CHC
-
STL
31h 17m
3 stops
$2,342Multiple Airlines
Fri, Apr 17 - Fri, Apr 24
Multiple Airlines Logo
4:05 pm - 11:05 pm
STL
-
CHC
62h 00m
3 stops
Multiple Airlines Logo
3:25 pm - 3:25 pm
CHC
-
STL
65h 00m
3 stops
$3,004Multiple Airlines
Fri, Apr 17 - Fri, Apr 24
Emirates Logo
3:15 pm - 12:55 pm
STL
-
CHC
52h 40m
3 stops
Emirates Logo
5:45 pm - 10:30 pm
CHC
-
STL
45h 45m
3 stops
$6,688Emirates
Sat, Apr 25 - Wed, Apr 29

Qantas Airways flights from St. Louis to Christchurch

Our best Qantas Airways deals on St. Louis to Christchurch flight tickets
Qantas Airways
Mar 8
STL6:50 pmLambert-St Louis
25h 50m
2 stops
CHC2:40 pmChristchurch
Mar 10
CHC8:35 pmChristchurch
38h 38m
2 stops
STL5:13 pmLambert-St Louis
$982
Qantas Airways
Apr 25
STL6:21 amLambert-St Louis
48h 59m
2 stops
CHC12:20 amChristchurch
Apr 29
CHC6:20 amChristchurch
34h 37m
2 stops
STL11:57 pmLambert-St Louis
$1,012

Air New Zealand flights from St. Louis to Christchurch

Our best Air New Zealand deals on St. Louis to Christchurch flight tickets
Air New Zealand
Apr 17
STL6:00 amLambert-St Louis
40h 25m
2 stops
CHC3:25 pmChristchurch
Apr 24
CHC4:40 pmChristchurch
22h 47m
2 stops
STL10:27 pmLambert-St Louis
$1,262
Air New Zealand
Mar 6
STL6:51 amLambert-St Louis
32h 44m
1 stop
CHC10:35 amChristchurch
Mar 10
CHC1:15 pmChristchurch
27h 10m
1 stop
STL10:25 pmLambert-St Louis
$1,287
Air New Zealand
Mar 8
STL6:51 amLambert-St Louis
32h 44m
1 stop
CHC9:35 amChristchurch
Mar 10
CHC12:00 pmChristchurch
28h 25m
2 stops
STL10:25 pmLambert-St Louis
$1,924

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 March 4, 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

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Sat 4/25

6:21 am-12:20 am

2 stops48h 59m

Christchurch

Wed 4/29

6:20 am-11:57 pm

2 stops34h 37m

$1,012

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Fri 4/17

6:00 am-3:25 pm

2 stops40h 25m

Christchurch

Fri 4/24

4:40 pm-10:27 pm

2 stops22h 47m

$1,262

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Fri 4/17

4:49 pm-9:35 am

2 stops23h 46m

Christchurch

Fri 4/24

9:40 am-11:57 pm

3 stops31h 17m

$2,342

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Fri 4/17

4:05 pm-11:05 pm

3 stops62h 00m

Christchurch

Fri 4/24

3:25 pm-3:25 pm

3 stops65h 00m

$3,004

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Sat 4/25

3:15 pm-12:55 pm

3 stops52h 40m

Christchurch

Wed 4/29

5:45 pm-10:30 pm

3 stops45h 45m

$6,688

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Wed 5/20

6:21 am-5:35 pm

3 stops42h 14m

$599

St. LouisChristchurch

STL - CHC

STLCHC

Lambert-St Louis

Wed 5/20

6:21 am-4:25 pm

2 stops41h 04m

$730

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

29h 35m

Direct flights

None
The fastest flight from St. Louis to Christchurch takes 29h 35m
There are no direct flights from St. Louis to Christchurch. There are no popular flight routes from St. Louis to Christchurch.
Search flight deals

  • 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 29h 35m 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.

  • 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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