Cheap flights from Newark Airport to St. Louis from $63
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Newark Airport to St. Louis departing on 7/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Newark Airport to St. Louis
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to St. Louis?
In general, January is the cheapest month to fly from Newark Airport to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $359. The month of May is another great option to travel to St. Louis, with average flight prices from Newark Airport averaging around $368.
What is the cheapest day to depart on your flight to St. Louis?
The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $330. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $448. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.
What is the cheapest time of day to depart on your flight to St. Louis?
Flying to St. Louis from Newark Airport in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $351 when looking at flights departing in the afternoon. At noon is when there is more demand to fly to St. Louis, so prices are often more expensive at around $402 per ticket.
What is the cheapest Newark to Lambert-St Louis flight route?
Fly from Newark to Lambert-St Louis for the best Newark - Lambert-St Louis flight prices
How far in advance should I book a flight to St. Louis?
You are more likely to see cheaper flights to St. Louis from Newark Airport when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $407 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Newark Airport for as low as $307 on momondo.
What cabin class options are available on Newark to Lambert-St Louis flights?
There are 4 cabin classes available to choose from on Newark to Lambert-St Louis flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Newark Airport to St. Louis flights?
No. A direct flight is the cheapest option for a flight between Newark Airport to St. Louis.
How have Newark Airport to St. Louis flight prices changed over time?
As of June 2025, prices for Newark Airport to St. Louis flights are approximately 4% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Newark to Lambert-St Louis?
Spirit Airlines, United Airlines, and American Airlines are the most popular carriers operating from Newark to Lambert-St Louis
What airlines fly to St. Louis?
United Airlines, Delta and American Airlines are the top three most popular airlines that fly to St. Louis from Newark Airport according to our data. United Airlines is the first choice among our users, with 82% of people opting to fly with this airline when traveling to St. Louis. Keep in mind that there are 4 different airlines that fly to St. Louis on a routine basis, so you have a few additional options to choose from.
How many flights depart from Newark Airport to St. Louis on average per day?
As of June 2025, 3 flights take off from Newark Airport and land in St. Louis each day. The most common flight departure time for this route is 7:00PM, with 74% of daily flights taking off in the evening.
How many flights depart from Newark Airport to St. Louis on average per week?
22 flights are operational weekly from Newark Airport to St. Louis as of June 2025. The most popular departure day for this route is Tue, with 18% of flights per week taking off on this day.
When to book flights from Newark Airport to St. Louis
Cheap Newark Airport to St. Louis (EWR to STL) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Newark Airport to St. Louis
How far is Newark to Lambert-St Louis by plane?
Newark and Lambert-St Louis are 862.3 mi apart from one another. Flights usually cover this in 2h 47m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Newark Airport to Lambert-St Louis Airport?
Prices for flights from Newark Airport to Lambert-St Louis Airport were last updated today.
How many operators does momondo search for flights from Newark Airport to Lambert-St Louis Airport?
As of June 2025, there are 4 operators available to choose from for flights from Newark Airport to Lambert-St Louis Airport.
How old do you have to be to fly from Newark Airport to Lambert-St Louis Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Newark Airport to Lambert-St Louis Airport.
What documentation or ID do you need to fly to Lambert-St Louis Airport?
The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular plane model from Newark Airport to St. Louis?
Based on momondo bookings for flights between Newark Airport and St. Louis, the leading plane model is Embraer 175 (Enhanced Winglets), making up 36.29% of the total bookings. Other popular models include Airbus A319 with 19.62%, Embraer 170 with 11.96%, and Canadair (Bombardier) Regional Jet 900 with 10.62%.
What is the most popular airline from Newark Airport to St. Louis?
Based on momondo bookings for flights between Newark Airport and St. Louis, the leading airline is United Airlines, making up 83% of the total bookings. Other popular airlines include Delta with 9%, American Airlines with 7%, and Spirit Airlines with 1%.
Best airlines flying from Newark Airport to St. Louis
Compare and see reviews for airlines that fly from Newark Airport to St. Louis with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $152 | Free Cancellation | Rating 6.3 8,052 reviews | |||
| PriceFrom $198 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $199 | Free Cancellation | Rating 8.0 7,946 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 7.4 8,790 reviews |
United Airlines Flights From Newark Airport to St. Louis
The lowest priced United Airlines flight from Newark Airport to St. Louis from the last 72 hours was $255. Generally, United Airlines has 11 flights on this route every week with an average price of $423. United Airlines is rated 7.4/10 by our users.
Traveling to a place near St. Louis?
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Why should I use momondo to find a flight deal from New York to St. Louis?
Finding the right flight to St. Louis from New York is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to St. Louis quick and easy, saving you time and money.
Can I find flights from New York to St. Louis with flexible booking policies on momondo?
All flight searches from New York to St. Louis on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from New York to St. Louis?
Once all potential New York to St. Louis flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from New York to St. Louis right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of New York to St. Louis flights. All you need is a valid email address and we will do the rest; it is that quick and easy.