Cheap Flights from Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

View AU$167 flight on Thu, 11 Sep. 2025Opens in a new window

Popular airlines from Newark Liberty Intl. Airport (EWR) to Lambert-St. Louis International Airport (STL)

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Cheap Flights from Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$396 Return, found 2 days ago
AU$396
Return
found 2 days ago
Select Delta flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$396 found 2 days ago
Delta
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$435 Return, found 2 days ago
AU$435
Return
found 2 days ago
Select Delta flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$435 found 2 days ago
Delta
Thu, 28 Aug. - Tue, 2 Sep.
EWR
New York
STL
St. Louis
AU$437 Return, found 3 days ago
AU$437
Return
found 3 days ago
Select Delta flight, departing Thu, 28 Aug. from New York to St. Louis, returning Tue, 2 Sep., priced at AU$437 found 3 days ago
Delta
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$443 Return, found 2 days ago
AU$443
Return
found 2 days ago
Select Delta flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$443 found 2 days ago
Delta
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$450 Return, found 2 days ago
AU$450
Return
found 2 days ago
Select Delta flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$450 found 2 days ago
United
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$472 Return, found 2 days ago
AU$472
Return
found 2 days ago
Select United flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$472 found 2 days ago
American Airlines
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$474 Return, found 2 days ago
AU$474
Return
found 2 days ago
Select American Airlines flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$474 found 2 days ago
United
Thu, 28 Aug. - Tue, 2 Sep.
EWR
New York
STL
St. Louis
AU$476 Return, found 3 days ago
AU$476
Return
found 3 days ago
Select United flight, departing Thu, 28 Aug. from New York to St. Louis, returning Tue, 2 Sep., priced at AU$476 found 3 days ago
Delta
Fri, 16 Jan. - Fri, 23 Jan.
EWR
New York
STL
St. Louis
AU$478 Return, found 2 days ago
AU$478
Return
found 2 days ago
Select Delta flight, departing Fri, 16 Jan. from New York to St. Louis, returning Fri, 23 Jan., priced at AU$478 found 2 days ago
Delta
Thu, 28 Aug. - Tue, 2 Sep.
EWR
New York
STL
St. Louis
AU$479 Return, found 3 days ago
AU$479
Return
found 3 days ago
Select Delta flight, departing Thu, 28 Aug. from New York to St. Louis, returning Tue, 2 Sep., priced at AU$479 found 3 days ago

Find the cheapest month to fly from New York (EWR) to St. Louis (STL)

September is typically the cheapest month to fly

From AU$207 - AU$305 per traveller.

Graph displaying average flight prices per month

Flight from Newark Liberty Intl. Airport to St. Louis route information
Origin airport
Newark Liberty Intl. Airport
Destination airport
Lambert-St. Louis Intl.
Return price
AU$396
Distance
1391 km
Average flight time
1 hour 53 mins

Your quick guide to flights from Newark Liberty Intl. Airport to St. Louis

Pick up great flights from Newark Liberty Intl. Airport to St. Louis

With Expedia, you have your pick of 5 flights a day with 20 airlines covering flights from Newark Liberty Intl. Airport to St. Louis. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Newark Liberty Intl. Airport to St. Louis that take around 2 hours.

Find cheap flights from Newark Liberty Intl. Airport to St. Louis

From the great flight deals with prices currently ranging from AU$396 to AU$479, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Newark Liberty Intl. Airport to St. Louis around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to St. Louis is normally in January.

Reasons to book your flight from Newark Liberty Intl. Airport to St. Louis with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Newark Liberty Intl. Airport to St. Louis across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to St. Louis right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Newark Airport to Lambert-St. Louis Intl. Airport (STL)?
Pack your bags, because round-trip journeys between Newark Airport and St. Louis Lambert International Airport start from AU$396. 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.
Do I need to pay a cancellation fee if I cancel my flight from EWR to Lambert-St. Louis Intl. Airport (STL)?
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.
How do I find cheap flights from Newark Airport to STL that have flexible change policies?
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.
How far is the flight from Newark Airport to St. Louis Lambert International Airport?
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.
Which airlines fly direct from Newark Airport to St. Louis Lambert International Airport?
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.
Are Liberty Intl. Airport (EWR) to Lambert-St. Louis Intl. Airport (STL) flight tickets cheaper when they're purchased at the last minute?
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.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport Airports

New York

LaGuardia to St. Louis
AU$386.30
*Available to Expedia members.