$63+ 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 6/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EWR
Jun 3 — Jun 101
Round-trip
1 adult, Economy
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Find cheap flights from St. Louis to Newark with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Lambert-St Louis to Newark are usually found in August or September, booked 46 days in advance, depart on a Friday or Thursday and return on a Wednesday
Cheap flight deals from St. Louis to Newark
Cheapest
Best
Last-minute
One-way
Cheapest flights from St. Louis to NewarkExplore 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 May 4, 2026.
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 May 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Wed 6/310:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:19 pm
STL
- EWR
1 stop17h 13m
Frontier
Thu 6/45:55 am
EWR
- STL
1 stop12h 38m
Frontier
Deal found 4/29![Frontier logo]()
$158
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Mon 6/810:29 pm
EWR
- STL
1 stop20h 01m
Frontier
Deal found 4/30![Frontier logo]()
$173
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:27 pm
STL
- EWR
2 stops25h 54m
Multiple Airlines
Wed 6/310:29 pm
EWR
- STL
1 stop20h 04m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$177
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:27 pm
STL
- EWR
1 stop6h 51m
Frontier
Thu 6/411:30 am
EWR
- STL
1 stop13h 27m
Frontier
Deal found 4/29![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Mon 6/110:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$181
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
2 stops13h 26m
Multiple Airlines
Thu 6/45:55 am
EWR
- STL
1 stop12h 38m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$182
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:19 pm
STL
- EWR
1 stop17h 13m
Frontier
Mon 6/810:29 pm
EWR
- STL
1 stop20h 01m
Frontier
Deal found 5/1![Frontier logo]()
$185
Best flights from St. Louis to NewarkDiscover carefully curated flight deals from St. Louis to Newark that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 4, 2026.
Discover carefully curated flight deals from St. Louis to Newark that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated May 4, 2026.
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Sat 5/306:00 am
STL
- EWR
1 stop7h 17m
United Airlines
Wed 6/1010:07 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Deal found 5/1![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 5/1. 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.
Thu 6/186:10 pm
STL
- EWR
1 stop4h 19m
Delta
Wed 6/246:00 am
EWR
- STL
1 stop4h 32m
Delta
Deal found 5/1![Delta logo]()
$341
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.
Wed 5/275:29 pm
STL
- EWR
1 stop5h 12m
United Airlines
Sat 5/3010:07 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Deal found 4/29![United Airlines logo]()
$304
This Delta deal was found by Cheapflights users on 5/2. 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 7/16:30 am
STL
- EWR
1 stop4h 29m
Delta
Sun 7/56:00 am
EWR
- STL
1 stop4h 32m
Delta
Deal found 5/2![Delta logo]()
$351
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Wed 7/16:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Thu 7/99:53 am
EWR
- STL
Nonstop2h 48m
United Airlines
Deal found 5/2![United Airlines logo]()
$376
This Delta deal was found by Cheapflights users on 5/3. 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.
Thu 7/28:00 am
STL
- EWR
1 stop6h 24m
Delta
Sun 7/56:00 am
EWR
- STL
1 stop4h 32m
Delta
Deal found 5/3![Delta logo]()
$399
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Wed 6/36:00 am
STL
- EWR
Nonstop2h 29m
United Airlines
Thu 6/47:15 am
EWR
- STL
1 stop5h 56m
United Airlines
Deal found 5/1![United Airlines logo]()
$384
This United Airlines deal was found by Cheapflights users on 5/1. 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.
Mon 6/156:00 am
STL
- EWR
Nonstop2h 29m
United Airlines
Wed 6/176:00 am
EWR
- STL
1 stop7h 11m
United Airlines
Deal found 5/1![United Airlines logo]()
$391
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Mon 5/256:00 am
STL
- EWR
Nonstop2h 29m
United Airlines
Sun 6/710:07 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Deal found 5/3![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Thu 5/286:00 am
STL
- EWR
Nonstop2h 29m
United Airlines
Mon 6/110:07 pm
EWR
- STL
Nonstop2h 28m
United Airlines
Deal found 5/2![United Airlines logo]()
$397
This United Airlines deal was found by Cheapflights users on 5/2. 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.
Sat 7/116:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Wed 7/1510:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Deal found 5/2![United Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 5/3. 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.
Wed 7/16:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Sun 7/510:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Deal found 5/3![United Airlines logo]()
$401
Last-minute flights from St. Louis to NewarkDiscover last-minute flight deals from St. Louis to Newark. Data last updated May 4, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Newark. Data last updated May 4, 2026 and is based on user searches.
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/275:27 pm
STL
- EWR
2 stops25h 54m
Multiple Airlines
Wed 6/310:29 pm
EWR
- STL
1 stop20h 04m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$177
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/286:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Mon 6/110:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$181
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/14:19 pm
STL
- EWR
1 stop17h 13m
Frontier
Mon 6/810:29 pm
EWR
- STL
1 stop20h 01m
Frontier
Deal found 5/1![Frontier logo]()
$185
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Wed 6/310:29 pm
EWR
- STL
1 stop20h 04m
Frontier
Deal found 5/4![Frontier logo]()
$124
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/24:19 pm
STL
- EWR
1 stop17h 13m
Frontier
Thu 6/45:55 am
EWR
- STL
1 stop12h 38m
Frontier
Deal found 4/29![Frontier logo]()
$158
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
2 stops13h 26m
Multiple Airlines
Thu 6/45:55 am
EWR
- STL
1 stop12h 38m
Multiple Airlines
Deal found 4/29![Multiple Airlines logo]()
$182
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/35:27 pm
STL
- EWR
1 stop6h 51m
Frontier
Tue 6/95:58 am
EWR
- STL
1 stop12h 32m
Frontier
Deal found 4/29![Frontier logo]()
$180
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/46:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Mon 6/810:29 pm
EWR
- STL
1 stop20h 01m
Frontier
Deal found 4/30![Frontier logo]()
$173
One-way flights from St. Louis to NewarkSearch for one-way flight options from St. Louis to Newark. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
Search for one-way flight options from St. Louis to Newark. Find affordable one-way fares based on user searches. Data last updated May 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/26:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Deal found 5/4![Frontier logo]()
$63
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/15:27 pm
STL
- EWR
1 stop27h 02m
Frontier
Deal found 5/4![Frontier logo]()
$65
This Kissandfly.com deal was found by Cheapflights users on 5/3. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/126:33 pm
STL
- EWR
1 stop5h 45m
Frontier
Deal found 5/3![Frontier logo]()
$72
This Trip.com deal was found by Cheapflights users on 5/2. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/195:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 5/2![Frontier logo]()
$77
This Kiwi.com deal was found by Cheapflights users on 5/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/125:06 pm
STL
- EWR
1 stop27h 23m
Frontier
Deal found 5/3![Frontier logo]()
$79
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/105:06 pm
STL
- EWR
1 stop27h 23m
Frontier
Deal found 4/29![Frontier logo]()
$82
This Frontier deal was found by Cheapflights users on 4/30. 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.
Sat 6/65:27 pm
STL
- EWR
1 stop6h 51m
Frontier
Deal found 4/30![Frontier logo]()
$90
This Frontier deal was found by Cheapflights users on 4/30. 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.
Tue 7/146:33 pm
STL
- EWR
1 stop5h 30m
Frontier
Deal found 4/30![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/55:27 pm
STL
- EWR
1 stop27h 02m
Frontier
Deal found 5/4![Frontier logo]()
$99
This Mytrip deal was found by Cheapflights users on 4/30. 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.
Wed 6/174:17 pm
STL
- EWR
1 stop17h 13m
Frontier
Deal found 4/30![Frontier logo]()
$101
This Kiwi.com deal was found by Cheapflights users on 5/4. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/85:27 pm
STL
- EWR
1 stop27h 02m
Frontier
Deal found 5/4![Frontier logo]()
$104
Find 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 May 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $124 (Kiwi.com) |
One-way from | $63 (Kiwi.com) |
Popular in | April |
Cheapest in | August |
Average price | $360 |
Good round-trip deal | $369 or less |
Good one-way deal | $245 or less |
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 May 4, 2026.
Use the filters below to find and compare flights from St. Louis to Newark Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Sat 5/30
6:00 am-2:17 pm
1 stop7h 17m
Newark
Wed 6/10
10:07 pm-11:35 pm
Nonstop2h 28m
$304
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Wed 5/27
5:29 pm-11:41 pm
1 stop5h 12m
Newark
Sat 5/30
10:07 pm-11:35 pm
Nonstop2h 28m
$304
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Thu 6/18
6:10 pm-11:29 pm
1 stop4h 19m
Newark
Wed 6/24
6:00 am-9:32 am
1 stop4h 32m
$341
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Wed 7/1
6:30 am-11:59 am
1 stop4h 29m
Newark
Sun 7/5
6:00 am-9:32 am
1 stop4h 32m
$351
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Wed 7/1
6:01 am-9:30 am
Nonstop2h 29m
Newark
Thu 7/9
9:53 am-11:41 am
Nonstop2h 48m
$376
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Wed 6/3
6:00 am-9:29 am
Nonstop2h 29m
Newark
Thu 6/4
7:15 am-12:11 pm
1 stop5h 56m
$384
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Mon 6/15
6:00 am-9:29 am
Nonstop2h 29m
Newark
Wed 6/17
6:00 am-12:11 pm
1 stop7h 11m
$391
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Mon 5/25
6:00 am-9:29 am
Nonstop2h 29m
Newark
Sun 6/7
10:07 pm-11:35 pm
Nonstop2h 28m
$397
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Thu 5/28
6:00 am-9:29 am
Nonstop2h 29m
Newark
Mon 6/1
10:07 pm-11:35 pm
Nonstop2h 28m
$397
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Thu 7/2
8:00 am-3:24 pm
1 stop6h 24m
Newark
Sun 7/5
6:00 am-9:32 am
1 stop4h 32m
$399
Showing 1-10 of 23 resultsSorted by cheapest first
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 May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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.
STL-EWR
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
Prices
Airlines
How far ahead should I book a flight from St. Louis to Newark Airport?
Booking 45 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, August is the cheapest month in which you can book a flight from St. Louis to Newark Airport (average of $333). Flying from St. Louis to Newark Airport in April is currently the most expensive (average of $408). 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 May 4, 2026.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from St. Louis to Newark Airport as you normally would.
The best insider tips for St. Louis to Newark Airport flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your St. Louis to Newark Airport trip
Our travel experts
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 May 4, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from St. Louis to Newark Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Food
7.2
Entertainment
7.8
Crew
8.5
Boarding
8.1
Overall
7.9
Comfort
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
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.
Traveling to a place near Newark Airport?
Book flights to Newark Airport if you plan to visit one of these locationsQueens
Bronx
Mahwah
East Rutherford
Bethlehem
Yonkers
Secaucus
Mount Laurel
North Bergen
Elizabeth
Irvington
Seaside Heights
Absecon
Parsippany
Edgewater
Carle Place
Staten Island
Tannersville
Carteret
Stamford
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Find flights from St. Louis to Newark, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Other flights to Newark
Explore flights to Newark departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2026.
St. Louis and Newark flights
Browse other St. Louis and Newark flight options. Last updated on May 4, 2026.
Other flights from St. Louis
Browse through other flights departing from St. Louis. Flights are based on user searches made on Cheapflights and were last updated on May 4, 2026.
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Check out other popular destinations found by fellow travelers in 2026
Top 5 airlines flying from St. Louis to Newark
Discover the top 5 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 May 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$73 | Average$161 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$87 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$344 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$241 | Average$334 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$261 | Average$387 | FlexibilityNo cancel fee | On-time69% |