$95 Find Cheap Flights from Newark Liberty Airport to St. Louis - Compare and Save

Yes, United Airlines offers several changeable ticket options. Basic Economy tickets are the most restrictive and typically do not allow changes or cancellations. Economy tickets typically allow changes for a fee plus any difference in fare. United First and United Business tickets generally allow changes for a fee plus any difference in fare but the fee may be lower than for Economy tickets, and some fare classes may allow changes without a fee.

Spirit offers a bare fare that does not include checked or carry-on luggage on flights from Newark Liberty Airport to St. Louis. Passengers are required to pay for any bags they want to bring on the flight, including carry-on bags. Passengers can purchase up to five checked bags per flight. Bag fees vary depending on various factors, including the time of booking and the size and weight of the bag.

The MetroLink light rail system has a station at STL, and you can take it to the city center. The train runs every 20 minutes during weekdays and every 30 minutes on weekends. Additionally, the MetroBus system also operates from the airport, and you can take the #49 bus to the city center. The bus stop is located outside of Terminal 1, Door 12.

American Airlines offers complimentary snacks and non-alcoholic beverages to economy-class passengers on flights from Newark Liberty Airport to St. Louis. These include soft drinks, coffee, and tea. Passengers can also enjoy a variety of in-flight entertainment options, including movies, TV shows, music, games, and Wi-Fi at a fee.

Among airlines operating Newark Airport to St. Louis flights:

• United Airlines: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Only United Airlines operates flights between Newark Airport and St. Louis.

Flights from Newark Airport to St. Louis usually depart from Newark (EWR) and arrive at Lambert-St Louis (STL).

Here are some options for this route, based on selected ticket types and cabin classes:

• United Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

Two cabin classes are available on flights from Newark Airport to St. Louis:

• Economy Class
• First Class

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $379 round-trip via Chicago O'Hare Intl (ORD), compared to $447 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $40–$80 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Embraer 175 (Enhanced Winglets) family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Airbus A319 variants.

One-stop flights from Newark Airport to St. Louis most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 38% of one-stop connections
• Detroit Metropolitan Wayne County (DTW) - 26% of one-stop connections
• Chicago O'Hare Intl (ORD) - 26% of one-stop connections
• Charlotte Douglas (CLT) - 9% of one-stop connections

Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

On the Newark Airport to St. Louis route, being flexible with your departure day can save you up to 35%. Saturday is the cheapest day at $396 round-trip on average, while Monday is the most expensive at $603: a $207 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Newark Airport to St. Louis route, 14% of flights were delayed in the past 3 months, with delays averaging 2 hours 30 minutes.

Morning is the busiest departure period on Newark Airport to St. Louis flights, with 50% of flights leaving in that window. Afternoon departures account for 25%, evening flights for 25%, and night flights for 0%.

Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

These are the earliest and latest flight times available from Newark Airport to St. Louis:

• Earliest: departs at 6:59 am and lands at 9:49 am
• Latest: departs at 9:59 pm and lands at 12:49 am.

The flight takes about 2h 50m.

Last-minute fares on this route - booked within 2 weeks of departure - run 21% above the route average of $437. Book 24 weeks before departure for the lowest fares.

A nonstop flight from Newark Airport to St. Louis takes 2h 50m, covering 869 miles.

No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $249 to $1,709. That means the highest observed fare was about 7x higher than the lowest one.

One-way fares from Newark Airport to St. Louis are currently lower than usual. Average one-way flight prices are about $139, which is 40% below the typical average for this route.

United Airlines is the only airline operating Newark Airport to St. Louis flights. 86% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Detroit Metropolitan Wayne County (DTW) gives the shortest average 1-stop total travel time at 4h 26m, compared with 5h 15m via Charlotte Douglas (CLT) and 5h 22m via Chicago O'Hare Intl (ORD).

St. Louis is 1 hour behind Newark Airport (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
• Hertz
• Budget
• Alamo
• Enterprise Rent-A-Car
• Payless

Round-trip flights from Newark Airport to St. Louis range from $347 to $578, with an average of $437 over the past 12 months. Anything below $347 counts as a good deal.