$260+ Cheap flights from Allentown to St. Louis (ABE - STL)
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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — STL
Oct 30 — Nov 61
Round-trip
1 adult, Economy
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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.Cheap flight deals from Allentown to St. Louis
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Cheapest flights from Allentown to St. LouisExplore the most affordable flight options available from Allentown to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
Explore the most affordable flight options available from Allentown to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 30, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 pm -
1 stop6h 44m
Mon 11/165:29 pm -
1 stop4h 30m
Deal found 9/30![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:00 pm -
1 stop6h 56m
Mon 11/162:31 pm -
1 stop6h 56m
Deal found 9/28![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:47 pm -
1 stop6h 32m
Fri 11/65:29 pm -
1 stop4h 30m
Deal found 9/30![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:14 pm -
1 stop6h 40m
Mon 11/22:25 pm -
1 stop6h 54m
Deal found 9/28![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:03 pm -
1 stop6h 51m
Sun 10/186:00 am -
1 stop5h 05m
Deal found 9/29![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:03 pm -
1 stop6h 51m
Fri 11/612:00 pm -
1 stop4h 16m
Deal found 9/28![Delta logo]()
$504
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 12/125:32 pm -
1 stop4h 57m
Mon 12/141:18 pm -
1 stop19h 33m
Deal found 9/25![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 9/27. 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.
Fri 12/46:39 am -
1 stop5h 50m
Sun 12/62:33 pm -
1 stop6h 54m
Deal found 9/27![Delta logo]()
$539
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Fri 12/255:25 pm -
1 stop7h 13m
Sat 1/23:00 pm -
1 stop4h 51m
Deal found 9/29![United Airlines logo]()
$563
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/305:36 pm -
1 stop6h 48m
Fri 11/61:40 pm -
2 stops26h 16m
Deal found 9/30![United Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/146:15 am -
1 stop6h 57m
Mon 11/165:55 pm -
2 stops26h 07m
Deal found 9/30![United Airlines logo]()
$616
Best flights from Allentown to St. LouisDiscover carefully curated flight deals from Allentown to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
Discover carefully curated flight deals from Allentown to St. Louis that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 30, 2026.
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/146:15 pm -
1 stop6h 44m
Mon 11/165:29 pm -
1 stop4h 30m
Deal found 9/30![American Airlines logo]()
$342
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/56:30 am -
1 stop5h 18m
Tue 3/911:51 am -
1 stop4h 21m
Deal found 9/26![Delta logo]()
$359
This United Airlines deal was found by Cheapflights users on 9/25. 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.
Sat 12/125:32 pm -
1 stop4h 57m
Mon 12/141:18 pm -
1 stop19h 33m
Deal found 9/25![United Airlines logo]()
$527
This Delta deal was found by Cheapflights users on 9/27. 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.
Sat 11/146:00 pm -
1 stop6h 56m
Mon 11/162:31 pm -
1 stop6h 56m
Deal found 9/27![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:47 pm -
1 stop6h 32m
Fri 11/65:29 pm -
1 stop4h 30m
Deal found 9/30![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/251:00 pm -
1 stop6h 01m
Sun 2/283:40 pm -
1 stop6h 06m
Deal found 9/26![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/27. 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.
Fri 11/1312:45 pm -
1 stop6h 28m
Mon 11/162:31 pm -
1 stop6h 56m
Deal found 9/27![Delta logo]()
$359
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:14 pm -
1 stop6h 40m
Mon 11/22:25 pm -
1 stop6h 54m
Deal found 9/28![Delta logo]()
$374
This Delta deal was found by Cheapflights users on 9/27. 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.
Fri 10/166:14 pm -
1 stop6h 40m
Mon 10/1912:00 pm -
1 stop4h 16m
Deal found 9/27![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/305:36 pm -
1 stop6h 48m
Fri 11/61:40 pm -
2 stops26h 16m
Deal found 9/30![United Airlines logo]()
$605
This United Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 11/146:15 am -
1 stop6h 57m
Mon 11/165:55 pm -
2 stops26h 07m
Deal found 9/30![United Airlines logo]()
$616
This United Airlines deal was found by Cheapflights users on 9/29. 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.
Thu 12/246:00 am -
1 stop5h 42m
Sat 1/23:00 pm -
1 stop4h 51m
Deal found 9/29![United Airlines logo]()
$616
Last-minute flights from Allentown to St. LouisDiscover last-minute flight deals from Allentown to St. Louis. Data last updated September 30, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to St. Louis. Data last updated September 30, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/96:00 am -
1 stop5h 50m
Mon 10/125:00 am -
1 stop5h 18m
Deal found 9/27![American Airlines logo]()
$679
This American Airlines deal was found by Cheapflights users on 9/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/116:00 am -
1 stop8h 00m
Tue 10/1311:31 am -
1 stop5h 16m
Deal found 9/29![American Airlines logo]()
$662
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:03 pm -
1 stop6h 51m
Fri 11/612:00 pm -
1 stop4h 16m
Deal found 9/28![Delta logo]()
$504
This American Airlines deal was found by Cheapflights users on 9/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/126:10 am -
1 stop6h 59m
Fri 10/165:00 am -
1 stop5h 11m
Deal found 9/28![American Airlines logo]()
$661
This American Airlines deal was found by Cheapflights users on 9/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:21 pm -
1 stop6h 58m
Fri 10/1611:31 am -
1 stop5h 43m
Deal found 9/27![American Airlines logo]()
$644
This Delta deal was found by Cheapflights users on 9/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/146:03 pm -
1 stop6h 51m
Sun 10/186:00 am -
1 stop5h 05m
Deal found 9/29![Delta logo]()
$389
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/166:14 pm -
1 stop6h 40m
Mon 11/22:25 pm -
1 stop6h 54m
Deal found 9/28![Delta logo]()
$374
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/165:43 pm -
1 stop6h 16m
Mon 11/25:00 pm -
3 stops27h 02m
Deal found 9/28![United Airlines logo]()
$665
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/266:03 pm -
1 stop6h 51m
Mon 11/22:25 pm -
1 stop6h 54m
Deal found 9/28![Delta logo]()
$359
This American Airlines deal was found by Cheapflights users on 9/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/306:47 pm -
1 stop6h 32m
Fri 11/65:29 pm -
1 stop4h 30m
Deal found 9/30![American Airlines logo]()
$363
This United Airlines deal was found by Cheapflights users on 9/30. 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 10/305:36 pm -
1 stop6h 48m
Fri 11/61:40 pm -
2 stops26h 16m
Deal found 9/30![United Airlines logo]()
$605
One-way flights from Allentown to St. LouisSearch for one-way flight options from Allentown to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
Search for one-way flight options from Allentown to St. Louis. Find affordable one-way fares based on user searches. Data last updated September 30, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1710:00 am -
1 stop14h 13m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$260
This American Airlines deal was found by Cheapflights users on 9/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:00 am -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![American Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:39 am -
1 stop5h 12m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Delta logo]()
$331
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Thu 10/155:37 pm -
2 stops24h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$342
This Kiwi.com deal was found by Cheapflights users on 9/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/710:00 am -
3 stops52h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![Multiple Airlines logo]()
$397
This Kiwi.com deal was found by Cheapflights users on 9/28. 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.
Sat 10/109:00 am -
2 stops32h 58m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$399
This United Airlines deal was found by Cheapflights users on 9/26. 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.
Sat 10/1710:37 am -
2 stops10h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$645
This United Airlines deal was found by Cheapflights users on 9/26. 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 10/76:20 am -
2 stops15h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/26![United Airlines logo]()
$679
This United Airlines deal was found by Cheapflights users on 9/29. 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 10/145:43 pm -
2 stops26h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/29![United Airlines logo]()
$718
Find flight deals from Allentown to St. Louis
Discover tips and strategies to find the most affordable flight options for your journey from Allentown (ABE) to St. Louis (STL). 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 September 30, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $342 (American Airlines) |
One-way from | $197 (Kiwi.com) |
Popular in | December |
Cheapest in | October |
Average price | $609 |
Cheapflights Fare Finder
Customize your flight search to find flights from Allentown to St. Louis 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 September 30, 2026.
Use the filters below to find and compare flights from Allentown to St. Louis that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Wed 10/7
6:00 am-12:35 pm
1 stop7h 35m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$314
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Wed 10/14
6:20 am-12:13 pm
1 stop6h 53m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$314
Quickest round-trip
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Thu 10/15
6:39 am-10:51 am
1 stop5h 12m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$331
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Sat 11/14
6:15 pm-11:59 pm
1 stop6h 44m
Lambert-St Louis
Mon 11/16
5:29 pm-10:59 pm
1 stop4h 30m
$342
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Fri 3/5
6:30 am-10:48 am
1 stop5h 18m
Lambert-St Louis
Tue 3/9
11:51 am-5:12 pm
1 stop4h 21m
$359
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Sat 11/14
6:00 pm-11:56 pm
1 stop6h 56m
Lambert-St Louis
Mon 11/16
2:31 pm-10:27 pm
1 stop6h 56m
$359
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Thu 2/25
1:00 pm-6:01 pm
1 stop6h 01m
Lambert-St Louis
Sun 2/28
3:40 pm-10:46 pm
1 stop6h 06m
$359
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Fri 11/13
12:45 pm-6:13 pm
1 stop6h 28m
Lambert-St Louis
Mon 11/16
2:31 pm-10:27 pm
1 stop6h 56m
$359
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Fri 10/30
6:47 pm-12:19 am
1 stop6h 32m
Lambert-St Louis
Fri 11/6
5:29 pm-10:59 pm
1 stop4h 30m
$363
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Fri 10/16
6:14 pm-11:54 pm
1 stop6h 40m
Lambert-St Louis
Mon 11/2
2:25 pm-10:19 pm
1 stop6h 54m
$374
Showing 1-10 of 20 resultsSorted by cheapest first
Compare providers for flights from Allentown to St. Louis
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 Allentown to St. Louis in September.
| 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 Allentown-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Allentown-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Allentown-St. Louis flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Allentown-St. Louis 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 Allentown-St. Louis 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 Allentown to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Allentown with our price prediction graph.
ABE-STL
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 Allentown to St. Louis
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated September 30, 2026.
Peruse reviews from past customers who have flown with Delta,United Airlines, andAmerican Airlines from Allentown to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Boarding
8.1
Comfort
7.8
Crew
8.5
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Allentown to St. Louis. 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 St. Louis?
Book flights to St. Louis if you plan to visit one of these locationsFairview Heights
O'Fallon
Fenton
Swansea
Eureka
Wentzville
Chesterfield
Maryland Heights
Collinsville
Edwardsville
Glencoe
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Allentown and St. Louis flights
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Top 3 airlines flying from Allentown to St. Louis
Discover the top 3 airlines that operate flights from Allentown to St. Louis. 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 September 30, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$293 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$438 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$335 | Average$477 | FlexibilityNo cancel fee | On-time71% |