$103+ 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 7/24. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EWR
Jul 16 — Jul 231
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 October, booked 61 days in advance, depart on a Tuesday or Friday and return on a Thursday
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 June 16, 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 June 16, 2026.
This Frontier deal was found by Cheapflights users on 6/15. 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.
Sun 10/1810:35 am
STL
- EWR
1 stop9h 53m
Frontier
Wed 10/2810:29 pm
EWR
- STL
1 stop12h 11m
Frontier
Deal found 6/15![Frontier logo]()
$296
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:00 am
STL
- EWR
1 stop6h 30m
American Airlines
Mon 8/245:19 pm
EWR
- STL
1 stop7h 55m
American Airlines
Deal found 6/11![American Airlines logo]()
$297
This Kiwi.com deal was found by Cheapflights users on 6/12. 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 10/166:41 pm
STL
- EWR
1 stop16h 46m
Frontier
Wed 10/2810:29 pm
EWR
- STL
1 stop12h 11m
Frontier
Deal found 6/12![Frontier logo]()
$298
This Frontier deal was found by Cheapflights users on 6/15. 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.
Mon 10/1910:35 am
STL
- EWR
1 stop9h 53m
Frontier
Sat 10/2410:24 pm
EWR
- STL
1 stop12h 16m
Frontier
Deal found 6/15![Frontier logo]()
$300
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/96:34 pm
STL
- EWR
1 stop25h 54m
Frontier
Mon 7/1310:29 pm
EWR
- STL
1 stop20h 08m
Frontier
Deal found 6/15![Frontier logo]()
$301
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/274:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Sun 8/210:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 6/13![Frontier logo]()
$302
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/56:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Tue 8/117:30 am
EWR
- STL
1 stop5h 32m
United Airlines
Deal found 6/14![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/76:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Tue 7/1410:07 pm
EWR
- STL
Nonstop2h 29m
United Airlines
Deal found 6/16![United Airlines logo]()
$304
This Frontier deal was found by Cheapflights users on 6/14. 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.
Sun 7/56:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Thu 7/95:55 am
EWR
- STL
1 stop12h 42m
Frontier
Deal found 6/14![Frontier logo]()
$305
This Frontier deal was found by Cheapflights users on 6/15. 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.
Fri 10/168:34 pm
STL
- EWR
1 stop12h 53m
Frontier
Fri 10/3010:29 pm
EWR
- STL
1 stop12h 11m
Frontier
Deal found 6/15![Frontier logo]()
$306
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/56:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Mon 8/1010:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Deal found 6/12![United Airlines logo]()
$307
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 June 16, 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 June 16, 2026.
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/15:59 pm
STL
- EWR
1 stop5h 54m
United Airlines
Mon 8/1010:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Deal found 6/14![United Airlines logo]()
$317
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.
Fri 8/146:25 pm
STL
- EWR
1 stop4h 00m
Delta
Mon 8/176:00 am
EWR
- STL
1 stop4h 54m
Delta
Deal found 6/11![Delta logo]()
$342
This Delta deal was found by Cheapflights users on 6/14. 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.
Tue 7/215:36 pm
STL
- EWR
1 stop5h 20m
Delta
Sat 7/256:15 am
EWR
- STL
1 stop5h 13m
Delta
Deal found 6/14![Delta logo]()
$346
This United Airlines deal was found by Cheapflights users on 6/14. 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 8/44:53 pm
STL
- EWR
Nonstop2h 37m
United Airlines
Tue 8/119:59 pm
EWR
- STL
Nonstop2h 39m
United Airlines
Deal found 6/14![United Airlines logo]()
$373
This Delta deal was found by Cheapflights users on 6/15. 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.
Tue 12/14:40 pm
STL
- EWR
1 stop5h 18m
Delta
Fri 12/49:40 am
EWR
- STL
1 stop4h 40m
Delta
Deal found 6/15![Delta logo]()
$361
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/257:00 am
STL
- EWR
Nonstop2h 31m
United Airlines
Wed 8/269:59 pm
EWR
- STL
Nonstop2h 39m
United Airlines
Deal found 6/12![United Airlines logo]()
$373
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.
Thu 7/96:58 pm
STL
- EWR
1 stop5h 00m
Delta
Sat 7/116:15 am
EWR
- STL
1 stop5h 13m
Delta
Deal found 6/11![Delta logo]()
$372
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/156:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Sat 7/187:12 pm
EWR
- STL
1 stop5h 17m
United Airlines
Deal found 6/15![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/15. 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 7/149:20 am
STL
- EWR
1 stop5h 19m
United Airlines
Wed 7/1510:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Deal found 6/15![United Airlines logo]()
$383
This United Airlines deal was found by Cheapflights users on 6/13. 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 8/66:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Mon 8/1010:17 pm
EWR
- STL
Nonstop2h 27m
United Airlines
Deal found 6/13![United Airlines logo]()
$403
This United Airlines deal was found by Cheapflights users on 6/13. 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 10/512:20 pm
STL
- EWR
Nonstop2h 27m
United Airlines
Thu 10/87:17 am
EWR
- STL
1 stop5h 56m
United Airlines
Deal found 6/13![United Airlines logo]()
$411
Last-minute flights from St. Louis to NewarkDiscover last-minute flight deals from St. Louis to Newark. Data last updated June 16, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Newark. Data last updated June 16, 2026 and is based on user searches.
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/205:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Thu 6/255:58 am
EWR
- STL
1 stop12h 32m
Frontier
Deal found 6/11![Frontier logo]()
$298
This Super.com deal was found by Cheapflights users on 6/12. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:31 pm
STL
- EWR
1 stop5h 34m
Frontier
Fri 7/310:29 pm
EWR
- STL
1 stop11h 23m
Frontier
Deal found 6/12![Frontier logo]()
$300
This Frontier deal was found by Cheapflights users on 6/14. 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.
Sun 7/56:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Thu 7/95:55 am
EWR
- STL
1 stop12h 42m
Frontier
Deal found 6/14![Frontier logo]()
$305
This United Airlines deal was found by Cheapflights users on 6/16. 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 7/76:01 am
STL
- EWR
Nonstop2h 29m
United Airlines
Tue 7/1411:25 am
EWR
- STL
1 stop5h 21m
United Airlines
Deal found 6/16![United Airlines logo]()
$303
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/96:34 pm
STL
- EWR
1 stop25h 54m
Frontier
Mon 7/1310:29 pm
EWR
- STL
1 stop20h 08m
Frontier
Deal found 6/15![Frontier logo]()
$301
This Frontier deal was found by Cheapflights users on 6/13. 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.
Sun 7/126:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Thu 7/235:55 am
EWR
- STL
1 stop12h 42m
Frontier
Deal found 6/13![Frontier logo]()
$310
This Kiwi.com deal was found by Cheapflights users on 6/13. 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 7/134:57 pm
STL
- EWR
1 stop27h 31m
Frontier
Fri 7/2410:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 6/13![Frontier logo]()
$307
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Mon 7/274:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Sun 8/210:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 6/15![Frontier logo]()
$302
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:08 pm
STL
- EWR
2 stops27h 55m
Frontier
Tue 8/45:55 am
EWR
- STL
1 stop12h 42m
Frontier
Deal found 6/11![Frontier logo]()
$309
This Frontier deal was found by Cheapflights users on 6/13. 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.
Fri 7/314:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Sun 8/210:29 pm
EWR
- STL
1 stop11h 28m
Frontier
Deal found 6/13![Frontier logo]()
$306
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 June 16, 2026.
Search for one-way flight options from St. Louis to Newark. Find affordable one-way fares based on user searches. Data last updated June 16, 2026.
This Trip.com deal was found by Cheapflights users on 6/14. 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 7/244:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 6/14![Frontier logo]()
$103
This Trip.com deal was found by Cheapflights users on 6/15. 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.
Sat 9/1210:35 am
STL
- EWR
1 stop9h 53m
Frontier
Deal found 6/15![Frontier logo]()
$104
This Super.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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/54:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 6/11![Frontier logo]()
$105
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Sat 9/2610:35 am
STL
- EWR
1 stop9h 53m
Frontier
Deal found 6/12![Frontier logo]()
$106
This Trip.com deal was found by Cheapflights users on 6/12. 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.
Wed 7/294:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 6/12![Frontier logo]()
$108
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/116:34 pm
STL
- EWR
1 stop25h 54m
Frontier
Deal found 6/11![Frontier logo]()
$109
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/236:34 pm
STL
- EWR
1 stop29h 29m
Frontier
Deal found 6/11![Frontier logo]()
$110
This Frontier deal was found by Cheapflights users on 6/16. 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 9/1510:35 am
STL
- EWR
1 stop9h 53m
Frontier
Deal found 6/16![Frontier logo]()
$111
This Kiwi.com deal was found by Cheapflights users on 6/15. 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 7/84:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 6/15![Frontier logo]()
$112
This Kiwi.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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/134:57 pm
STL
- EWR
1 stop7h 06m
Frontier
Deal found 6/11![Frontier logo]()
$113
This WAYA deal was found by Cheapflights users on 6/12. 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 WAYA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/35:06 pm
STL
- EWR
1 stop6h 59m
Frontier
Deal found 6/12![Frontier logo]()
$114
This Frontier deal was found by Cheapflights users on 6/15. 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 7/76:34 pm
STL
- EWR
1 stop5h 29m
Frontier
Deal found 6/15![Frontier logo]()
$115
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 June 16, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $296 (Frontier) |
One-way from | $103 (Trip.com) |
Popular in | April |
Cheapest in | August |
Average price | $385 |
Good round-trip deal | $369 or less |
Good one-way deal | $241 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 June 16, 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 8/1
5:59 pm-12:53 am
1 stop5h 54m
Newark
Mon 8/10
10:17 pm-11:44 pm
Nonstop2h 27m
$317
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Fri 8/14
6:25 pm-11:25 pm
1 stop4h 00m
Newark
Mon 8/17
6:00 am-9:54 am
1 stop4h 54m
$342
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Tue 7/21
5:36 pm-11:56 pm
1 stop5h 20m
Newark
Sat 7/25
6:15 am-10:28 am
1 stop5h 13m
$346
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Tue 12/1
4:40 pm-10:58 pm
1 stop5h 18m
Newark
Fri 12/4
9:40 am-1:20 pm
1 stop4h 40m
$361
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Thu 7/9
6:58 pm-12:58 am
1 stop5h 00m
Newark
Sat 7/11
6:15 am-10:28 am
1 stop5h 13m
$372
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Tue 8/4
4:53 pm-8:30 pm
Nonstop2h 37m
Newark
Tue 8/11
9:59 pm-11:38 pm
Nonstop2h 39m
$373
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Tue 8/25
7:00 am-10:31 am
Nonstop2h 31m
Newark
Wed 8/26
9:59 pm-11:38 pm
Nonstop2h 39m
$373
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Wed 7/15
6:01 am-9:30 am
Nonstop2h 29m
Newark
Sat 7/18
7:12 pm-11:29 pm
1 stop5h 17m
$383
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Tue 7/14
9:20 am-3:39 pm
1 stop5h 19m
Newark
Wed 7/15
10:17 pm-11:44 pm
Nonstop2h 27m
$383
Quickest round-trip
St. LouisNewark
STL - EWR
STLEWR
Lambert-St Louis
Thu 8/6
6:01 am-9:30 am
Nonstop2h 29m
Newark
Mon 8/10
10:17 pm-11:44 pm
Nonstop2h 27m
$403
Showing 1-10 of 22 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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | 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 60 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 $325). Flying from St. Louis to Newark Airport in April is currently the most expensive (average of $424). 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 16, 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 June 16, 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.
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Overall
7.9
Reviews
1 / 20
10.0
ExcellentLucy,Nov 2023
ATL - JFK
Boarding
8.1
Entertainment
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Overall
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
Elizabeth
East Rutherford
Yonkers
Bethlehem
Mount Laurel
North Bergen
Irvington
Secaucus
Staten Island
Seaside Heights
Tannersville
Absecon
Parsippany
Edgewater
Carle Place
Carteret
Fort Lee
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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 June 16, 2026.
St. Louis and Newark flights
Browse other St. Louis and Newark flight options. Last updated on June 16, 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 June 16, 2026.
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Check out other popular destinations found by fellow travelers in 2026
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 16, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$218 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$216 | Average$362 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$218 | Average$353 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$266 | Average$390 | FlexibilityNo cancel fee | On-time69% |