฿6,140 Cheap Flights from Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

Pack your bags, because round-trip journeys between Newark Airport and St. Louis Lambert International Airport start from . That's based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices can rise quickly, so book today to get the best deal. Prices and availability are subject to change. Additional terms apply.

We understand that things come up unexpectedly, so we've made it as easy as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.

Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Newark Airport to STL flights, you'll see a "no change fees" filter for you to select.

That movie you've been desperate to see will have to wait — the flight distance between EWR and Lambert Field is only 1,400 kilometres. The captain will be instructing you to buckle up for landing before you know it.

If you'd like to fly straight from Newark Airport to Lambert Field, United Airlines (UA) is a top option. It operates 126 flights each month between Newark and St. Louis.

Last-minute planners can sometimes score a bargain, with some super cheap airfares from Newark Airport to Lambert-St. Louis Intl. Airport (STL) showing up a few weeks prior to the departure date. If you'd rather book ahead of time, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines release prices that far in advance.