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$84+ Cheap flights from St. Louis (STL) to Newark (EWR)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EWR
مارس 31 — أبريل 71
ن 3/31
ن 4/7
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Newark are usually found in September or August, booked 59 days in advance, depart on a Friday or Saturday and return on a Wednesday

Cheap flight deals from St. Louis to Newark

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Newark (EWR). 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 مارس 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(United Airlines)

One-way from

$84
(Mytrip)

Popular in

December

Cheapest in

September

Average price

$427

Good round-trip deal

$401 or less

Good one-way deal

$220 or less
Provider with most accurate pricing for Lambert-St Louis-Newark flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Newark flights.
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From Lambert-St Louis to Newark
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One-way flight from Lambert-St Louis to Newark
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Highest demand for flights based on searches. 4% potential increase in price ($17 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Newark.
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Price to beat on a one-way flight from Lambert-St Louis to Newark.
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Find flight deals from St. Louis to Newark

Cheapest flights from St. Louis to Newark
Explore the most affordable flight options available from St. Louis to Newark. Find the lowest fares from popular airlines and budget airlines, with prices last updated on مارس 26, 2025.

This United Airlines deal was found by Cheapflights users on 3/25. 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.
ث 5/205:29 pmSTL - EWR
1 stop6h 29mUnited Airlines
ح 5/258:29 amEWR - STL
Nonstop2h 49mUnited Airlines
Deal found 3/25$187
This Mytrip deal was found by Cheapflights users on 3/25. 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.
ث 4/226:10 pmSTL - EWR
2 stops21h 31mSpirit Airlines
ث 4/295:45 amEWR - STL
1 stop12h 30mSpirit Airlines
Deal found 3/25$191
This Delta deal was found by Cheapflights users on 3/25. 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.
ر 4/236:00 amSTL - EWR
1 stop5h 08mDelta
س 4/265:59 amEWR - STL
1 stop4h 48mDelta
Deal found 3/25$217
This American Airlines deal was found by Cheapflights users on 3/25. 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.
ث 6/39:36 amSTL - EWR
1 stop5h 53mAmerican Airlines
س 6/75:50 pmEWR - STL
1 stop7h 04mAmerican Airlines
Deal found 3/25$219
This Mytrip deal was found by Cheapflights users on 3/24. 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.
ث 4/86:47 pmSTL - EWR
1 stop14h 37mMultiple Airlines
ر 4/910:15 pmEWR - STL
2 stops21h 26mMultiple Airlines
Deal found 3/24$250
This Frontier deal was found by Cheapflights users on 3/25. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
س 8/92:52 pmSTL - EWR
1 stop8h 45mFrontier
ح 8/175:59 amEWR - STL
1 stop8h 50mFrontier
Deal found 3/25$280

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Newark 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 مارس 26, 2025.
Use the filters below to find and compare flights from St. Louis to Newark Airport that are best for you.

Fly from

St. Louis

Fly to

Newark

Route

Depart

Return

Price

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 5/20

5:29 pm-12:58 am

1 stop6h 29m

Newark

ح 5/25

8:29 am-10:18 am

Nonstop2h 49m

$187

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 4/22

6:10 pm-4:41 pm

2 stops21h 31m

Newark

ث 4/29

5:45 am-5:15 pm

1 stop12h 30m

$191

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ر 4/23

6:00 am-12:08 pm

1 stop5h 08m

Newark

س 4/26

5:59 am-9:47 am

1 stop4h 48m

$217

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 6/3

9:36 am-4:29 pm

1 stop5h 53m

Newark

س 6/7

5:50 pm-11:54 pm

1 stop7h 04m

$219

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 4/8

6:47 pm-10:24 am

1 stop14h 37m

Newark

ر 4/9

10:15 pm-6:41 pm

2 stops21h 26m

$250

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 4/29

6:10 pm-11:58 pm

1 stop28h 48m

$84

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 4/29

4:44 pm-8:11 pm

Nonstop2h 27m

$89

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ث 5/13

5:40 pm-1:07 am

1 stop6h 27m

$99

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ن 5/19

5:15 pm-12:29 am

2 stops30h 14m

$124

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

ح 5/4

8:00 am-10:44 am

1 stop25h 44m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 12 results
1
2

Compare providers for flights from St. Louis to Newark

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 St. Louis to Newark in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust 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 St. Louis-Newark Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Newark Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Newark Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Newark Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 St. Louis-Newark Airport 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 St. Louis to Newark

Have a flexible travel schedule? Discover the best time to fly to Newark from St. Louis 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 St. Louis to Newark Airport

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Newark. Price data was last updated on March 21, 2025.

Booking 59 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Newark Airport. 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 St. Louis to Newark Airport?

Currently, January is the cheapest month in which you can book a flight from St. Louis to Newark Airport (average of $228). Flying from St. Louis to Newark Airport in June is currently the most expensive (average of $307). 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 STL to EWR?

Find hourly flight availability from St. Louis to Newark. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated مارس 26, 2025.

When flying from St. Louis to Newark Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 64% versus a flight at noon.

Rainfall in Newark by month

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

In terms of precipitation, rainfall in Newark Airport ranges from 2.9 - 4.8 inches per month. July is typically the wettest month, when rainfall can reach 4.8 in. February is typically the driest time to visit Newark Airport when rainfall is around 2.9 in.

Temperature in Newark by month

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

If weather is an important factor for your trip to Newark Airport, 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 77.0 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 Newark

Get insights into the airlines that provide service to Newark. 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 Newark. Reviews last updated مارس 26, 2025.
Read reviews from past customers who have flown Alaska Airlines, Delta and United Airlines from St. Louis to New York. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,795 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,795 reviews
Alaska Airlines
8.0
Very good
9,795 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,891 reviews
Alaska Airlines
8.0
Very good
9,795 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,608 reviews
Alaska Airlines
8.0
Very good
9,795 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,795 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Sun Country Air
6.9
Okay
348 reviews
Alaska Airlines
8.0
Very good
9,795 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Newark. 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 from for flights from St. Louis to Newark?

    Lambert-St Louis (STL) is the airport you will fly out of if you book a flight from St. Louis to Newark. You should not have trouble finding flights to Newark from Lambert-St Louis; the airport handles an average of 4 outbound flights to Newark per day. You should also have plenty of airline options to choose from since 4 airlines have flights from the St. Louis airport to Newark. It is only a 12.7 mi journey to Lambert-St Louis (STL) from St. Louis’s city center.

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

    This flight path from Lambert-St Louis to Newark was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Currently priced at $187, United Airlines will fly you from St. Louis to Newark Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and Delta - these airlines can fly you to your destination from $191 and $217, respectively. United Airlines is 52% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $84. Users have also found prices from $89 and $99 on United Airlines and Delta, respectively.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from St. Louis to Newark Airport on time: Austrian Airlines (85%), Lufthansa (85%), United Airlines (83%).

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

    Looking for the cheapest flight from St. Louis to Newark Airport? While on average our users pay $1,223, our data indicates the cheapest price to be $128. The most popular route (Lambert-St Louis - Newark), is priced around $177.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Newark 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 St. Louis to Newark Airport?

    Currently, January is the cheapest month in which you can book a flight from St. Louis to Newark Airport (average of $228). Flying from St. Louis to Newark Airport in June is currently the most expensive (average of $307). 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 St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Queens
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Elizabeth
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Ronkonkoma
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Top 4 airlines flying from St. Louis to Newark

Discover the top 4 airlines that operate flights from St. Louis to Newark. 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 مارس 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$77Average$273FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$376FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$243Average$406FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$243Average$385FlexibilityNo cancel feeOn-time71%
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