$88+ Cheap flights from St. Louis (STL) to Newark (EWR)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — EWR
Nov 29 — Dec 61
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 January or July, booked 61 days in advance, depart on a Thursday or Wednesday and return on a Friday
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 October 30, 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 October 30, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:20 pm -
1 stop7h 33m
Tue 12/111:47 am -
1 stop9h 20m
Deal found 10/26![Frontier logo]()
$294
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:26 pm -
1 stop6h 37m
Thu 11/1911:35 am -
1 stop8h 04m
Deal found 10/27![Frontier logo]()
$295
This Frontier deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:20 pm -
1 stop7h 33m
Fri 12/46:05 am -
1 stop6h 12m
Deal found 10/27![Frontier logo]()
$296
This Cheapflightsfares deal was found by Cheapflights users on 10/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/106:20 pm -
1 stop26h 09m
Sun 12/1311:43 am -
1 stop13h 29m
Deal found 10/29![Frontier logo]()
$298
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:34 pm -
1 stop4h 37m
Wed 12/22:25 pm -
Nonstop2h 59m
Deal found 10/28![United Airlines logo]()
$301
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:26 pm -
1 stop6h 37m
Mon 11/166:00 am -
1 stop18h 16m
Deal found 10/26![Frontier logo]()
$302
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
Nonstop2h 21m
Mon 11/237:30 am -
1 stop5h 40m
Deal found 10/30![United Airlines logo]()
$303
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Thu 12/36:13 pm -
2 stops29h 16m
Sun 12/611:43 am -
1 stop13h 29m
Deal found 10/30![Frontier logo]()
$304
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:34 pm -
1 stop15h 02m
Sun 11/2211:00 pm -
1 stop19h 40m
Deal found 10/27![Frontier logo]()
$305
This CheapOair deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/116:20 pm -
1 stop26h 09m
Sun 12/1311:43 am -
1 stop13h 29m
Deal found 10/28![Frontier logo]()
$306
This Mytrip deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:13 pm -
2 stops29h 16m
Mon 12/76:00 am -
2 stops19h 12m
Deal found 10/27![Frontier 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 October 30, 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 October 30, 2026.
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/279:59 am -
Nonstop2h 21m
Tue 12/82:35 pm -
1 stop5h 51m
Deal found 10/27![United Airlines logo]()
$301
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/45:05 pm -
Nonstop2h 37m
Mon 12/76:10 pm -
1 stop5h 49m
Deal found 10/30![United Airlines logo]()
$303
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/296:04 am -
Nonstop2h 26m
Sat 1/29:14 pm -
Nonstop2h 51m
Deal found 10/26![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/16:00 am -
Nonstop2h 21m
Wed 12/27:55 am -
Nonstop2h 54m
Deal found 10/27![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
Nonstop2h 21m
Wed 12/22:25 pm -
Nonstop2h 59m
Deal found 10/27![United Airlines logo]()
$371
This United Airlines deal was found by Cheapflights users on 10/25. 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.
Thu 12/311:05 am -
Nonstop2h 26m
Sun 12/68:23 pm -
Nonstop2h 52m
Deal found 10/25![United Airlines logo]()
$372
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/246:00 am -
Nonstop2h 21m
Tue 12/18:23 pm -
Nonstop2h 52m
Deal found 10/28![United Airlines logo]()
$376
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/236:58 pm -
1 stop5h 01m
Mon 12/289:08 pm -
Nonstop2h 51m
Deal found 10/26![United Airlines logo]()
$405
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:50 pm -
1 stop5h 09m
Sat 11/287:00 am -
Nonstop3h 03m
Deal found 10/30![United Airlines logo]()
$413
This United Airlines deal was found by Cheapflights users on 10/26. 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 12/16:00 am -
Nonstop2h 21m
Fri 12/42:25 pm -
Nonstop2h 59m
Deal found 10/26![United Airlines logo]()
$431
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/151:17 pm -
1 stop5h 08m
Tue 12/229:08 pm -
Nonstop2h 51m
Deal found 10/28![United Airlines logo]()
$434
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/306:00 am -
Nonstop2h 21m
Thu 12/37:55 am -
Nonstop2h 54m
Deal found 10/30![United Airlines logo]()
$439
Last-minute flights from St. Louis to NewarkDiscover last-minute flight deals from St. Louis to Newark. Data last updated October 30, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Newark. Data last updated October 30, 2026 and is based on user searches.
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/124:26 pm -
1 stop6h 37m
Thu 11/1911:35 am -
1 stop8h 04m
Deal found 10/27![Frontier logo]()
$295
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:26 pm -
1 stop6h 37m
Sat 11/146:00 am -
1 stop18h 16m
Deal found 10/26![Frontier logo]()
$298
This CheapOair deal was found by Cheapflights users on 10/26. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:26 pm -
1 stop6h 37m
Mon 11/166:00 am -
1 stop18h 16m
Deal found 10/26![Frontier logo]()
$302
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/186:34 pm -
1 stop15h 02m
Sun 11/2211:00 pm -
1 stop19h 40m
Deal found 10/27![Frontier logo]()
$305
This United Airlines deal was found by Cheapflights users on 10/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/206:00 am -
Nonstop2h 21m
Sat 11/212:37 pm -
1 stop5h 46m
Deal found 10/30![United Airlines logo]()
$303
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/266:00 am -
1 stop5h 30m
Fri 12/44:45 pm -
1 stop4h 47m
Deal found 10/27![Delta logo]()
$311
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/269:09 am -
2 stops14h 20m
Tue 12/110:24 pm -
1 stop13h 46m
Deal found 10/27![Frontier logo]()
$312
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/271:20 pm -
1 stop7h 33m
Tue 12/111:47 am -
1 stop9h 20m
Deal found 10/26![Frontier logo]()
$294
This Frontier deal was found by Cheapflights users on 10/30. 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.
Fri 11/271:20 pm -
1 stop7h 33m
Fri 12/46:05 am -
1 stop6h 12m
Deal found 10/30![Frontier logo]()
$299
This United Airlines deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/275:34 pm -
1 stop4h 37m
Wed 12/22:25 pm -
Nonstop2h 59m
Deal found 10/28![United Airlines logo]()
$301
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 October 30, 2026.
Search for one-way flight options from St. Louis to Newark. Find affordable one-way fares based on user searches. Data last updated October 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1412:02 pm -
1 stop21h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$88
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/256:05 pm -
1 stop26h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$104
This Cheapflightsfares deal was found by Cheapflights users on 10/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/712:02 pm -
1 stop11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$110
This Mytrip deal was found by Cheapflights users on 10/30. 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.
Mon 12/216:21 pm -
1 stop15h 22m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$114
This Super.com deal was found by Cheapflights users on 10/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/412:02 pm -
1 stop11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/29![Frontier logo]()
$117
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Wed 12/306:21 pm -
1 stop28h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/30![Frontier logo]()
$119
This Cheapflightsfares deal was found by Cheapflights users on 10/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/36:13 pm -
1 stop26h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/28![Frontier logo]()
$120
This Frontier deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1112:02 pm -
1 stop11h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/27![Frontier logo]()
$122
This Super.com deal was found by Cheapflights users on 10/26. 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.
Thu 11/194:26 pm -
1 stop6h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/26![Frontier logo]()
$123
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 October 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $294 (Cheapflightsfares) |
One-way from | $88 (Kiwi.com) |
Popular in | September |
Cheapest in | January |
Average price | $412 |
Good round-trip deal | $430 or less |
Good one-way deal | $246 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 7,457,451 searches. Data last updated October 30, 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 Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Sat 12/5
6:30 am-12:18 pm
1 stop4h 48m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$146
Quickest round-trip
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Fri 11/20
6:00 am-9:21 am
Nonstop2h 21m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$156
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Thu 12/24
6:04 am-9:30 am
Nonstop2h 26m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$166
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Wed 12/23
6:04 am-9:30 am
Nonstop2h 26m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$166
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Wed 11/25
6:00 am-9:21 am
Nonstop2h 21m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$178
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Sun 12/20
5:13 pm-12:57 am
1 stop6h 44m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$217
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Tue 11/24
6:00 am-9:21 am
Nonstop2h 21m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$241
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Mon 12/28
7:15 pm-12:57 am
1 stop4h 42m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$249
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Sat 11/7
5:33 pm-11:48 pm
1 stop5h 15m
Newark
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$267
St. LouisNewark
STL Lambert-St Louis - EWR Newark
STLEWR
Lambert-St Louis
Fri 11/27
9:59 am-1:20 pm
Nonstop2h 21m
Newark
Tue 12/8
2:35 pm-7:26 pm
1 stop5h 51m
$301
Showing 1-10 of 21 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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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
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, January is the cheapest month in which you can book a flight from St. Louis to Newark Airport (average of $363). Flying from St. Louis to Newark Airport in September is currently the most expensive (average of $473). 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 October 30, 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 October 30, 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.
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Comfort
7.8
Crew
8.5
Entertainment
7.8
Overall
7.8
Food
7.2
Boarding
8.1
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
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
Elizabeth
Bronx
East Rutherford
Staten Island
Mahwah
Yonkers
Mount Laurel
Bethlehem
Irvington
Secaucus
Tannersville
North Bergen
Carle Place
Fort Lee
Clinton
Absecon
Carteret
Seaside Heights
Goshen
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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 7,457,451 searches. Data last updated October 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$87 | Average$256 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$260 | Average$375 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$272 | Average$411 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$272 | Average$368 | FlexibilityNo cancel fee | On-time71% |