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St. Louis

$124+ Cheap flights from Newark (EWR) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
EWR — STL
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
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Cheapflights Tip: The best prices from Newark to Lambert-St Louis are usually found in January or July, booked 81 days in advance, depart on a Wednesday or Thursday and return on a Friday

Cheap flight deals from Newark to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Newark (EWR) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$261
(Delta)

One-way from

$124
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$402

Good round-trip deal

$319 or less

Good one-way deal

$165 or less
Provider with most accurate pricing for Newark-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Newark-Lambert-St Louis flights.
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From Newark to Lambert-St Louis
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One-way flight from Newark to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($4 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Newark to Lambert-St Louis.
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Price to beat on a one-way flight from Newark to Lambert-St Louis.
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Find flight deals from Newark to St. Louis

Cheapest flights from Newark to St. Louis
Explore the most affordable flight options available from Newark to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:00 amEWR - STL
1 stop5h 24mDelta
Mon 9/17:05 pmSTL - EWR
1 stop5h 00mDelta
Deal found 4/28$261
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/410:00 pmEWR - STL
Nonstop2h 59mUnited Airlines
Mon 6/306:00 amSTL - EWR
Nonstop2h 35mUnited Airlines
Deal found 4/29$268
This Mytrip deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1211:00 amEWR - STL
1 stop7h 04mSpirit Airlines
Sun 6/156:12 pmSTL - EWR
1 stop22h 25mSpirit Airlines
Deal found 4/27$270
This Mytrip deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/55:00 amEWR - STL
2 stops16h 10mMultiple Airlines
Sun 6/812:15 pmSTL - EWR
2 stops35h 14mMultiple Airlines
Deal found 4/28$276
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/137:35 pmEWR - STL
1 stop5h 19mAmerican Airlines
Fri 6/2012:50 pmSTL - EWR
1 stop4h 48mAmerican Airlines
Deal found 4/29$280
This Sun Country Air deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:41 amEWR - STL
1 stop24h 50mSun Country Air
Sun 5/48:00 amSTL - EWR
1 stop25h 44mSun Country Air
Deal found 4/28$375

Cheapflights Fare Finder

Customize your flight search to find flights from Newark to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
Use the filters below to find and compare flights from Newark Airport to St. Louis that are best for you.

Fly from

Newark

Fly to

St. Louis

Route

Depart

Return

Price

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sun 5/4

10:00 pm-11:59 pm

Nonstop2h 59m

Lambert-St Louis

Mon 6/30

6:00 am-9:35 am

Nonstop2h 35m

$268

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 6/12

11:00 am-5:04 pm

1 stop7h 04m

Lambert-St Louis

Sun 6/15

6:12 pm-5:37 pm

1 stop22h 25m

$270

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 6/5

5:00 am-8:10 pm

2 stops16h 10m

Lambert-St Louis

Sun 6/8

12:15 pm-12:29 am

2 stops35h 14m

$276

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 6/13

7:35 pm-11:54 pm

1 stop5h 19m

Lambert-St Louis

Fri 6/20

12:50 pm-6:38 pm

1 stop4h 48m

$280

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 7/10

6:00 am-9:41 am

1 stop4h 41m

Lambert-St Louis

Mon 7/14

5:23 pm-12:59 am

1 stop6h 36m

$281

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Thu 5/15

11:42 am-11:37 am

1 stop24h 55m

Lambert-St Louis

Sun 5/18

7:30 am-10:44 am

1 stop26h 14m

$375

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Sat 6/21

7:30 pm-9:26 pm

Nonstop2h 56m

$124

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Fri 7/4

11:00 am-5:04 pm

1 stop7h 04m

$125

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Tue 5/13

5:30 am-6:41 pm

2 stops14h 11m

$126

NewarkSt. Louis

EWR - STL

EWRSTL

Newark

Wed 5/21

10:57 am-3:21 pm

1 stop5h 24m

$137

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 14 results
1
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Compare providers for flights from Newark to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Newark to St. Louis in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Newark Airport-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Newark Airport-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Newark Airport-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Newark Airport-St. Louis flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Newark Airport-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Newark to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Newark with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Newark Airport to St. Louis

How far ahead should I book a flight from Newark Airport to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Newark to St. Louis. Price data was last updated on April 25, 2025.

Booking 81 days in advance of your planned departure date is, on average, the best time to get cheap flights from Newark Airport to St. Louis. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Newark Airport to St. Louis?

Currently, August is the cheapest month in which you can book a flight from Newark Airport to St. Louis (average of $311). Flying from Newark Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from EWR to STL?

Find hourly flight availability from Newark to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

It’s typically best to fly out from Newark Airport to St. Louis in the evening. Doing so could potentially save you 32% on the flight price compared to flying in the afternoon, which is usually more expensive.

What is the cheapest day to fly from Newark Airport to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Newark to St. Louis. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Newark Airport to St. Louis flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated April 29, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from New York to St. Louis have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Sun Country Air
6.9
Okay
346 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Newark to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to St. Louis from Newark?

    Lambert-St Louis (STL), located 12.7 mi from the city center, is the airport you fly into when you book flights from Newark to St. Louis. 4 airlines have flights to Lambert-St Louis from Newark on a regular basis. Booking flights from Newark to Lambert-St Louis should not be difficult; the airport handles an average of 1 inbound flight from Newark per day.

  • How popular is this Newark Airport to St. Louis flight route?

    Flights from Newark to Lambert-St Louis have been viewed 16 times in the past calendar month.

  • What are the cheapest airlines flying from Newark Airport to St. Louis round-trip?

    Delta, at $261, was found to be the cheapest airline from Newark Airport to St. Louis.Alternate airlines to your destination round-trip include Spirit Airlines and United Airlines. Delta is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Newark Airport to St. Louis one-way?

    To fly one-way, consider booking your trip with United Airlines, which is currently one of the cheapest options available, starting at $124. Spirit Airlines flights start at $125 while deals on Frontier start at $138 one-way.

  • What are the most reliable airlines from Newark Airport to St. Louis?

    Before booking your flight to St. Louis from Newark Airport, check out the most reliable airlines to get you to your destination on time: United Airlines (78%), Republic Airways (76%), Austrian Airlines( 73%).

  • What are the cheapest flights from Newark Airport to St. Louis?

    The cheapest flight price from Newark Airport to St. Louis is $130. On average you can expect to pay $439. The most popular route, (Newark - Lambert-St Louis), can usually be booked for $221.

  • Can I find deals for flights from Newark to St. Louis that include hotel bookings?

    Yes. In addition to deals on Newark to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Newark to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Newark to St. Louis.

  • Can I find deals for business class flights from Newark to St. Louis?

    Yes. Cheapflights offers flight deals from Newark to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Newark Airport to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Newark Airport to St. Louis (average of $311). Flying from Newark Airport to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Newark Airport?

Book flights to Newark Airport if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

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Top 4 airlines flying from Newark to St. Louis

Discover the top 4 airlines that operate flights from Newark to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$152Average$269FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$198Average$335FlexibilityNo cancel feeOn-time71%
DeltaCheapest$199Average$342FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$258Average$431FlexibilityNo cancel feeOn-time69%

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