$618 Cheap Flights from St. Louis (STL) to Wellington (WLG)

View $618 flight on Mon, Mar 9, 2026Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Wellington Intl. Airport (WLG)

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Cheap Flights from St. Louis to Wellington (STL-WLG)

Prices were available within the past 7 days and start at $618 for one-way flights and $1,249 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air New Zealand
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,249 Roundtrip, found 1 day ago
$1,249
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,249 found 1 day ago
Air New Zealand
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,257 Roundtrip, found 1 day ago
$1,257
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,257 found 1 day ago
Air New Zealand
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,262 Roundtrip, found 1 day ago
$1,262
Roundtrip
found 1 day ago
Select Air New Zealand flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,262 found 1 day ago
United
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,263 Roundtrip, found 1 day ago
$1,263
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,263 found 1 day ago
United
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,269 Roundtrip, found 1 day ago
$1,269
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,269 found 1 day ago
United
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,276 Roundtrip, found 1 day ago
$1,276
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,276 found 1 day ago
United
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,282 Roundtrip, found 1 day ago
$1,282
Roundtrip
found 1 day ago
Select United flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,282 found 1 day ago
Air Canada
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$1,387 Roundtrip, found 1 day ago
$1,387
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $1,387 found 1 day ago
American Airlines
Mon, Mar 9 - Fri, Mar 13
STL
St. Louis
WLG
Wellington
$2,018 Roundtrip, found 1 day ago
$2,018
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Mar 9 from St. Louis to Wellington, returning Fri, Mar 13, priced at $2,018 found 1 day ago
Qantas Airways
Tue, Jul 29 - Sat, Aug 2
STL
St. Louis
WLG
Wellington
$2,071 Roundtrip, found 1 day ago
$2,071
Roundtrip
found 1 day ago
Select Qantas Airways flight, departing Tue, Jul 29 from St. Louis to Wellington, returning Sat, Aug 2, priced at $2,071 found 1 day ago
Flights from St. Louis (STL) to Wellington (WLG)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Wellington Intl.
Airlines serving
Air New Zealand, Qantas Airways
Roundtrip price
$1,248
Distance
8121 mi

St. Louis to Wellington Flights

The cheapest times to fly from St. Louis to Wellington

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

 

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

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

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 Wellington in 2025. You can also book with separate airlines for your outbound and return journeys, from $618 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 Wellington 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 Wellington 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG) cost?
Discover the latest flight deals from STL to WLG by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to WLG?
The cheapest flights from STL to WLG are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to WLG?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to WLG. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG)?
You'll need to hop on a flight with a layover if you're traveling from Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG). Direct flights don't operate daily on this route. However, just 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 STL to WLG?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Just remember that flight schedules can change depending on various factors, including the time of year and carrier.*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 Wellington Intl. Airport (WLG)?
To reach Wellington Intl. Airport (WLG) on time, pick a flight that takes off from Lambert-St. Louis Intl. Airport (STL) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**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 Wellington Intl. Airport (WLG) last-minute?
Booking your flight from STL to WLG just before your trip is typically more expensive. However, if there's some wiggle room with your itinerary, you could snag a cheap last-minute fare.
Is it cheaper to book a STL to WLG flight and hotel package?
Opting for a STL to WLG flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our wide range of accommodations and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG)?
If you booked your STL to WLG flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.