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$54+ 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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EWR
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 26 days in advance, depart on a Friday or Saturday and return on a Saturday

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 June 12, 2025.

Round-trip from

$261
(Delta)

One-way from

$54
(FlightHub)

Popular in

November

Cheapest in

September

Average price

$374

Good round-trip deal

$435 or less

Good one-way deal

$205 or less
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. 10% potential increase in price ($44 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 June 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 June 12, 2025.

This Delta deal was found by Cheapflights users on 6/11. 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.
Mon 6/305:23 pmSTL - EWR
1 stop6h 35mDelta
Fri 7/412:00 pmEWR - STL
1 stop5h 18mDelta
Deal found 6/11$261
This Mytrip deal was found by Cheapflights users on 6/10. 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 7/36:36 pmSTL - EWR
3 stops21h 12mSpirit Airlines
Wed 7/95:45 amEWR - STL
2 stops29h 07mSpirit Airlines
Deal found 6/10$262
This American Airlines deal was found by Cheapflights users on 6/10. 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 9/59:56 amSTL - EWR
1 stop5h 33mAmerican Airlines
Tue 9/95:29 pmEWR - STL
1 stop5h 24mAmerican Airlines
Deal found 6/10$265
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 10/218:05 amSTL - EWR
Nonstop2h 41mUnited Airlines
Tue 10/289:00 amEWR - STL
Nonstop2h 52mUnited Airlines
Deal found 6/11$267
This Mytrip deal was found by Cheapflights users on 6/11. 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.
Tue 6/241:00 pmSTL - EWR
2 stops34h 46mMultiple Airlines
Thu 6/266:42 pmEWR - STL
1 stop23h 22mMultiple Airlines
Deal found 6/11$274
This Booking.com deal was found by Cheapflights users on 6/11. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/291:26 pmSTL - EWR
1 stop19h 42mFrontier
Mon 9/15:55 amEWR - STL
1 stop7h 26mFrontier
Deal found 6/11$303

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 June 12, 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

Mon 6/30

5:23 pm-12:58 am

1 stop6h 35m

Newark

Fri 7/4

12:00 pm-4:18 pm

1 stop5h 18m

$261

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Thu 7/3

6:36 pm-4:48 pm

3 stops21h 12m

Newark

Wed 7/9

5:45 am-9:52 am

2 stops29h 07m

$262

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Fri 9/5

7:23 am-1:57 pm

1 stop5h 34m

Newark

Mon 9/8

5:39 pm-11:07 pm

1 stop6h 28m

$265

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Thu 7/3

2:36 pm-10:06 am

1 stop18h 30m

Newark

Sat 7/5

5:59 am-10:15 am

1 stop5h 16m

$266

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 6/18

7:27 am-11:00 am

Nonstop2h 33m

Newark

Tue 7/15

9:30 pm-11:35 pm

Nonstop3h 05m

$268

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 6/24

1:00 pm-12:46 am

2 stops34h 46m

Newark

Thu 6/26

6:42 pm-5:04 pm

1 stop23h 22m

$274

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Thu 7/17

10:47 am-8:00 pm

1 stop8h 13m

$63

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 8/5

6:00 am-9:35 am

Nonstop2h 35m

$99

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Tue 9/2

8:40 am-4:39 pm

1 stop6h 59m

$109

St. LouisNewark

STL - EWR

STLEWR

Lambert-St Louis

Wed 9/3

1:00 pm-8:28 pm

2 stops30h 28m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 12 results
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The best insider tips for St. Louis to Newark Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Newark Airport trip
Airports
STL

Security lines at STL are straightforward, averaging 5-10 minutes off-peak. Check real-time wait times online before heading to the airport.

Read more about STLby Taryn White
EWR

For a quick trip to NYC, take the AirTrain to Airport Station, then NJ Transit to New York Penn Station, usually under 45 minutes.

Read more about EWRby Brandon Schultz
Our travel experts
Brandon Schultz

Brandon Schultz

Expert on EWR

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more
Taryn White

Taryn White

Expert on STL

Taryn White

Taryn White

Taryn White is a freelance travel writer, digital creator, and travel advisor who has visited nearly 100 countries and all 50 states. She’s familiar with many airports and enjoys beach hopping, boutique hotels, spa experiences, and exploring local culture. Her work has appeared in Travel + Leisure, Condé Nast Traveler, National Geographic, Smithsonian Magazine, AFAR, and more.

Read more

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 June 9, 2025.

Booking 26 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 June 12, 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.

Weekly flight availability from St. Louis to Newark Airport

Explore weekly flight availability from St. Louis to Newark. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 12, 2025.

The most flights from STL to EWR are scheduled on a Monday (4 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (1 on average).

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 June 12, 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
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Spirit Airlines
6.3
Okay
8,052 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Overall

8.0

Food

7.1

Comfort

7.8

Entertainment

7.1

Boarding

8.1

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 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 3 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 $261, Delta will fly you from St. Louis to Newark Airport and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Spirit Airlines and American Airlines - these airlines can fly you to your destination from $262 and $265, respectively. Delta is 32% 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 $54. Users have also found prices from $99 and $109 on United Airlines and American Airlines, 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 (75%), Republic Airways (68%), Lufthansa (49%).

  • 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 $1,965, our data indicates the cheapest price to be $130. The most popular route (Lambert-St Louis - Newark), is priced around $137.

  • 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?

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$166Average$327FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$327FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$238Average$368FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$240Average$394FlexibilityNo cancel feeOn-time69%

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