The cheapest times to fly from STL to WLG are

  • January 29th to March 25th
  • April 9th to June 17th (except the weeks of April 16th and April 30th)
  • August 6th to September 30th (except the week of September 17th)
  • November 26th to December 9th

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from STL to WLG is mid February. Prices can be as high as $3174 for Thursday flights during mid December, or as low as $1209 for Monday flights around mid February.


When to Fly to Wellington

Flying from St. Louis, MO (STL) to Wellington (WLG) will usually cost between $1352 to $2737 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid February with an average ticket price of $1399. Due to high demand the most expensive time to fly is mid December, with an average price of $2816. Planning your trip to low-cost times can easily save you $1417 on economy flights and even more on first-class flights. Generally, any price below $1668 can be considered a good price for a round-trip STL to WLG flight.

See below for a graph of average weekly prices for the STL to WLG route. All prices are for round-trip tickets in USD.

STL to WLG Flight Prices

Compared to other flights, the STL to WLG flight is more expensive than the average and costs more than the average flight leaving from St. Louis. The average price per mile (for a direct flight) is $0.13, which is far below average.


Flight Prices by Day of the Week

Monday is usually the cheapest day to fly to WLG, and Tuesday the cheapest day to fly back into STL. Thursdays are the most expensive days to fly to Wellington, and Fridays are the most expensive days to return to St. Louis. Selecting flights on the least expensive days could save you up to $277 (14%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Monday and returning a week later will cost an average of $1698. Return trip prices are from the WLG to STL flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from STL to WLG can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 15 hour 36 minutes may not be realistic.


Flight Hacking STL to WLG

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from STL to WLG — but Champion Traveler does!

Hack #1: Auckland (STL > AKL > WLG)

  • Price for both tickets: $1365
  • Average savings: $304 (18.2%)

See STL to AKL flights

Hack #2: Los Angeles, CA (STL > LAX > WLG)

  • Price for both tickets: $1381
  • Average savings: $287 (17.21%)

See STL to LAX flights

Hack #3: Seattle, WA (STL > SEA > WLG)

  • Price for both tickets: $1555
  • Average savings: $113 (6.77%)

See STL to SEA flights


Flight Questions Answered

Still have questions about flying from STL to WLG? We’ve got answers.

Which airlines fly this route?

You can find 10 major airlines flying this route most often: Air Canada, Air New Zealand, Alaska, American, Delta, EVA Air, Fiji Airways, LATAM, Qantas, United, and potentially more during busy seasons.

How far away is it from Wellington International Airport to St Louis Lambert International Airport?

The distance between the two airports is roughly 8121 miles or 13069 kilometers.

How long does it take to fly from STL to WLG?

The real-world flight time for a nonstop STL to WLG flight is about 15 hour 36 minutes.

How many flights go between St. Louis, MO and Wellington?

It depends on the day of the week and the date, but a typical day might have around 11 available flights from STL to WLG.


Airport Location Info


Departing Airport

Origination code STL
Origination airport name St Louis Lambert International Airport
City St. Louis, MO
Country the United States
Latitude 38.7
Longitude -90.4

Return Airport

Destination code WLG
Destination airport name Wellington International Airport
City Wellington
Country New Zealand
Latitude -41.3
Longitude 174.8


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.