CA $103 Cheap Flights from Newark Liberty Intl. Airport (EWR) to St. Louis (STL)

View CA $103 flight on Mon, Aug. 25, 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 and start at CA $103 for one-way flights and CA $325 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Dec. 10 - Sat, Dec. 13
EWR
New York
STL
St. Louis
CA $325 Roundtrip, found 6 hours ago
CA $325
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Dec. 10 from New York to St. Louis, returning Sat, Dec. 13, priced at CA $325 found 6 hours ago
Spirit Airlines
Sat, Oct. 11 - Mon, Oct. 13
EWR
New York
STL
St. Louis
CA $326 Roundtrip, found 5 days ago
CA $326
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, Oct. 11 from New York to St. Louis, returning Mon, Oct. 13, priced at CA $326 found 5 days ago
American Airlines
Wed, Dec. 10 - Sat, Dec. 13
EWR
New York
STL
St. Louis
CA $344 Roundtrip, found 6 hours ago
CA $344
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Wed, Dec. 10 from New York to St. Louis, returning Sat, Dec. 13, priced at CA $344 found 6 hours ago
Delta
Sat, Oct. 11 - Mon, Oct. 13
EWR
New York
STL
St. Louis
CA $355 Roundtrip, found 5 days ago
CA $355
Roundtrip
found 5 days ago
Select Delta flight, departing Sat, Oct. 11 from New York to St. Louis, returning Mon, Oct. 13, priced at CA $355 found 5 days ago
Delta
Sat, Oct. 4 - Tue, Oct. 14
EWR
New York
STL
St. Louis
CA $359 Roundtrip, found 10 hours ago
CA $359
Roundtrip
found 10 hours ago
Select Delta flight, departing Sat, Oct. 4 from New York to St. Louis, returning Tue, Oct. 14, priced at CA $359 found 10 hours ago
American Airlines
Sat, Oct. 11 - Mon, Oct. 13
EWR
New York
STL
St. Louis
CA $368 Roundtrip, found 5 days ago
CA $368
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct. 11 from New York to St. Louis, returning Mon, Oct. 13, priced at CA $368 found 5 days ago
Spirit Airlines
Sat, Oct. 11 - Mon, Oct. 13
EWR
New York
STL
St. Louis
CA $373 Roundtrip, found 5 days ago
CA $373
Roundtrip
found 5 days ago
Select Spirit Airlines flight, departing Sat, Oct. 11 from New York to St. Louis, returning Mon, Oct. 13, priced at CA $373 found 5 days ago
American Airlines
Sat, Oct. 11 - Mon, Oct. 13
EWR
New York
STL
St. Louis
CA $375 Roundtrip, found 5 days ago
CA $375
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct. 11 from New York to St. Louis, returning Mon, Oct. 13, priced at CA $375 found 5 days ago
American Airlines
Sat, Oct. 11 - Mon, Oct. 13
EWR
New York
STL
St. Louis
CA $376 Roundtrip, found 5 days ago
CA $376
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Oct. 11 from New York to St. Louis, returning Mon, Oct. 13, priced at CA $376 found 5 days ago
United
Mon, Sep. 1 - Tue, Sep. 16
EWR
New York
STL
St. Louis
CA $397 Roundtrip, found 23 hours ago
CA $397
Roundtrip
found 23 hours ago
Select United flight, departing Mon, Sep. 1 from New York to St. Louis, returning Tue, Sep. 16, priced at CA $397 found 23 hours ago

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

September is typically the cheapest month to fly

From CA $186 - CA $274 per traveller.

Graph displaying average flight prices per month

Flight from Newark Liberty Intl. Airport to St. Louis (EWR - STL) route information
Origin airport
Newark Liberty Intl. Airport
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Delta, United
Roundtrip price
CA $325
Distance
1391 km
Average flight time
1 hour 53 mins

Newark to St. Louis Flights

The easy way to book your flights from Newark Liberty Intl. Airport to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Newark Liberty Intl. Airport whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Austrian, Lufthansa, United Airlines nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Newark Liberty Intl. Airport to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Newark Liberty Intl. Airport, EWR to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Newark Liberty Intl. Airport to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Newark Liberty Intl. Airport currently is just CA $325 rising to CA $397.  

Here are more money-saving tips: 

  • Fly in December when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Newark Liberty Intl. Airport 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from EWR to Lambert-St. Louis Intl. Airport (STL)?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price advertised for a round-trip flight between Liberty Intl. Airport (EWR) and Lambert-St. Louis Intl. Airport (STL) was CA $325. Fares this good don't wait forever, so book yours today. 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 STL?
We get that circumstances change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from Newark Airport to Lambert Field that have flexible change policies?
Flights from Newark Airport to Lambert Field offering flexible change policies are available from several carriers. Simply use our "No change fees" filter while searching. You'll only need to cover the cost difference between the two flights, with no additional fees to worry about.
How many hours is the flight from EWR to Lambert Field?
Put your seat back, select a movie and 7 hours and 15 minutes will fly by in the blink of an eye. That's how long it takes to get to STL from EWR.
How far is the flight from Newark Airport to STL?
You might not get through a whole movie on this flight — it's only 1,400 kilometres from Newark to St. Louis. Sit down, get comfortable and you'll be touching down in no time.
Which airlines fly direct from Newark Airport to Lambert Field?
Flying straight from Newark Airport to Lambert-St. Louis Intl. Airport (STL) is easy with United Airlines (UA). This leading airline offers 91 flights each month.
Are EWR to STL flight tickets cheaper when they're purchased at the last minute?
Late planners can occasionally find a bargain, with some super cheap airfares from Liberty Intl. Airport (EWR) to Lambert Field appearing a few weeks before the departure date. If you'd rather book ahead, Expedia compares and updates the best flight deals continuously — as early as a year in advance in some cases. It depends on the carrier though, as not all airlines publish prices that far in advance.

Explore a world of travel with Expedia

Newark Liberty Intl. Airport nearby Airports

New York

LaGuardia to St. Louis
CA $269.90
John F. Kennedy Intl. to St. Louis
CA $269.90
*Available to Expedia members.