$638 Cheap Flights from St. Louis (STL) to Wellington (WLG)

View $638 flight on Tue, Feb 10, 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 $638 for one-way flights and $1,035 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Fri, Feb 6 - Sun, Feb 22
STL
St. Louis
WLG
Wellington
$1,035 Roundtrip, found 13 hours ago
$1,035
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Fri, Feb 6 from St. Louis to Wellington, returning Sun, Feb 22, priced at $1,035 found 13 hours ago
Air Canada
Fri, Feb 6 - Sun, Feb 22
STL
St. Louis
WLG
Wellington
$1,048 Roundtrip, found 13 hours ago
$1,048
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Fri, Feb 6 from St. Louis to Wellington, returning Sun, Feb 22, priced at $1,048 found 13 hours ago
Air Canada
Fri, Feb 6 - Sun, Feb 22
STL
St. Louis
WLG
Wellington
$1,126 Roundtrip, found 13 hours ago
$1,126
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Fri, Feb 6 from St. Louis to Wellington, returning Sun, Feb 22, priced at $1,126 found 13 hours ago
Air Canada
Mon, Oct 27 - Mon, Nov 3
STL
St. Louis
WLG
Wellington
$1,138 Roundtrip, found 1 day ago
$1,138
Roundtrip
found 1 day ago
Select Air Canada flight, departing Mon, Oct 27 from St. Louis to Wellington, returning Mon, Nov 3, priced at $1,138 found 1 day ago
Air Canada
Fri, Feb 6 - Sun, Feb 22
STL
St. Louis
WLG
Wellington
$1,139 Roundtrip, found 13 hours ago
$1,139
Roundtrip
found 13 hours ago
Select Air Canada flight, departing Fri, Feb 6 from St. Louis to Wellington, returning Sun, Feb 22, priced at $1,139 found 13 hours ago
United
Fri, Jan 16 - Tue, Feb 3
STL
St. Louis
WLG
Wellington
$1,164 Roundtrip, found 6 days ago
$1,164
Roundtrip
found 6 days ago
Select United flight, departing Fri, Jan 16 from St. Louis to Wellington, returning Tue, Feb 3, priced at $1,164 found 6 days ago
Air New Zealand
Fri, Feb 6 - Sun, Feb 22
STL
St. Louis
WLG
Wellington
$1,172 Roundtrip, found 13 hours ago
$1,172
Roundtrip
found 13 hours ago
Select Air New Zealand flight, departing Fri, Feb 6 from St. Louis to Wellington, returning Sun, Feb 22, priced at $1,172 found 13 hours ago
United
Sat, Feb 14 - Tue, Mar 3
STL
St. Louis
WLG
Wellington
$1,176 Roundtrip, found 6 days ago
$1,176
Roundtrip
found 6 days ago
Select United flight, departing Sat, Feb 14 from St. Louis to Wellington, returning Tue, Mar 3, priced at $1,176 found 6 days ago
Fiji Airways
Tue, Feb 10 - Sat, Feb 21
STL
St. Louis
WLG
Wellington
$1,181 Roundtrip, found 6 days ago
$1,181
Roundtrip
found 6 days ago
Select Fiji Airways flight, departing Tue, Feb 10 from St. Louis to Wellington, returning Sat, Feb 21, priced at $1,181 found 6 days ago
American Airlines
Wed, Oct 15 - Tue, Oct 28
STL
St. Louis
WLG
Wellington
$1,405 Roundtrip, found 6 days ago
$1,405
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Oct 15 from St. Louis to Wellington, returning Tue, Oct 28, priced at $1,405 found 6 days ago

Alternative airports near Wellington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Wellington Intl. WLG. Cheapest and Closest option available. Average driving time to city center is 13 minutes. Flights from $1,437
WLG
Wellington Intl.
CheapestClosest
Average driving time to city center13 min
Flights from $1,437
Flights from St. Louis (STL) to Wellington (WLG)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Wellington Intl.
Airlines serving
Air Canada, Air New Zealand, American Airlines, Qantas Airways, United
Roundtrip price
$1,035
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 February. 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 $638 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?
Lock in a cheap one-way flight from $638 or cheap return flight from $1,035 from Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG) 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 Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG)?
February is the least expensive month to fly from STL to WLG. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Wellington Intl. Airport (WLG)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll take you from STL to WLG. Then, sort your results by "Price (lowest to highest)" to snag a good 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.