$149+ Cheap flights from Allentown to St. Louis (ABE - STL)
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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — STL
Aug 23 — Aug 301
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
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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 July 24, 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 July 24, 2026.
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/247:00 am
ABE
- STL
1 stop13h 13m
Multiple Airlines
Thu 8/275:02 pm
STL
- ABE
1 stop14h 57m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$293
This Delta deal was found by Cheapflights users on 7/20. 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 9/56:16 am
ABE
- STL
1 stop6h 40m
Delta
Sun 9/63:44 pm
STL
- ABE
1 stop5h 39m
Delta
Deal found 7/20![Delta logo]()
$297
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/2910:32 am
ABE
- STL
1 stop7h 34m
United Airlines
Sun 8/309:30 am
STL
- ABE
1 stop6h 26m
United Airlines
Deal found 7/20![United Airlines logo]()
$309
This Delta deal was found by Cheapflights users on 7/20. 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 9/116:25 am
ABE
- STL
1 stop7h 07m
Delta
Sun 9/136:00 am
STL
- ABE
1 stop5h 15m
Delta
Deal found 7/20![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 7/22. 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 10/16:20 am
ABE
- STL
1 stop6h 53m
United Airlines
Sat 10/39:04 am
STL
- ABE
1 stop7h 04m
United Airlines
Deal found 7/22![United Airlines logo]()
$319
This Delta deal was found by Cheapflights users on 7/20. 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 8/116:08 pm
ABE
- STL
1 stop6h 13m
Delta
Thu 8/2011:00 am
STL
- ABE
1 stop5h 23m
Delta
Deal found 7/20![Delta logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 9/103:00 pm
ABE
- STL
2 stops19h 40m
Multiple Airlines
Sun 9/138:10 pm
STL
- ABE
1 stop18h 28m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$331
This Delta deal was found by Cheapflights users on 7/22. 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 9/256:25 am
ABE
- STL
1 stop7h 58m
Delta
Tue 9/2910:05 am
STL
- ABE
1 stop6h 16m
Delta
Deal found 7/22![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 7/20. 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 8/176:08 pm
ABE
- STL
1 stop6h 50m
Delta
Tue 8/1811:00 am
STL
- ABE
1 stop5h 23m
Delta
Deal found 7/20![Delta logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sun 8/233:05 pm
ABE
- STL
1 stop25h 23m
Multiple Airlines
Sun 8/306:17 pm
STL
- ABE
2 stops26h 59m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$350
This Delta deal was found by Cheapflights users on 7/19. 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 8/36:08 pm
ABE
- STL
1 stop6h 50m
Delta
Sat 8/87:00 am
STL
- ABE
1 stop4h 28m
Delta
Deal found 7/19![Delta logo]()
$355
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 July 24, 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 July 24, 2026.
This Delta deal was found by Cheapflights users on 7/20. 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 9/116:25 am
ABE
- STL
1 stop7h 07m
Delta
Sun 9/136:00 am
STL
- ABE
1 stop5h 15m
Delta
Deal found 7/20![Delta logo]()
$310
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/236:01 pm
ABE
- STL
1 stop5h 00m
United Airlines
Sun 8/3010:53 am
STL
- ABE
1 stop5h 03m
United Airlines
Deal found 7/24![United Airlines logo]()
$374
This American Airlines deal was found by Cheapflights users on 7/22. 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 10/156:00 am
ABE
- STL
1 stop5h 51m
American Airlines
Sat 10/1711:31 am
STL
- ABE
1 stop5h 16m
American Airlines
Deal found 7/22![American Airlines logo]()
$414
This Delta deal was found by Cheapflights users on 7/20. 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 8/116:16 am
ABE
- STL
1 stop4h 38m
Delta
Fri 8/213:39 pm
STL
- ABE
1 stop5h 44m
Delta
Deal found 7/20![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 7/20. 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 12/231:00 pm
ABE
- STL
1 stop6h 01m
Delta
Mon 12/286:00 am
STL
- ABE
1 stop5h 04m
Delta
Deal found 7/20![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 7/19. 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 10/226:00 pm
ABE
- STL
1 stop6h 48m
Delta
Sat 10/2410:45 am
STL
- ABE
1 stop5h 30m
Delta
Deal found 7/19![Delta logo]()
$323
This United Airlines deal was found by Cheapflights users on 7/23. 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 10/315:32 pm
ABE
- STL
1 stop5h 08m
United Airlines
Wed 11/41:08 pm
STL
- ABE
1 stop6h 54m
United Airlines
Deal found 7/23![United Airlines logo]()
$407
This Delta deal was found by Cheapflights users on 7/19. 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 9/236:25 am
ABE
- STL
1 stop7h 58m
Delta
Sun 9/2710:05 am
STL
- ABE
1 stop6h 14m
Delta
Deal found 7/19![Delta logo]()
$323
This Delta deal was found by Cheapflights users on 7/21. 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 11/76:00 pm
ABE
- STL
1 stop6h 48m
Delta
Tue 11/109:00 am
STL
- ABE
1 stop7h 12m
Delta
Deal found 7/21![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 7/22. 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 11/135:40 pm
ABE
- STL
1 stop6h 59m
Delta
Mon 11/166:00 am
STL
- ABE
1 stop5h 04m
Delta
Deal found 7/22![Delta logo]()
$333
This Delta deal was found by Cheapflights users on 7/23. 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 8/106:08 pm
ABE
- STL
1 stop6h 50m
Delta
Wed 8/123:39 pm
STL
- ABE
1 stop5h 44m
Delta
Deal found 7/23![Delta logo]()
$489
Last-minute flights from Allentown to St. LouisDiscover last-minute flight deals from Allentown to St. Louis. Data last updated July 24, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to St. Louis. Data last updated July 24, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 7/19. 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 8/36:08 pm
ABE
- STL
1 stop6h 50m
Delta
Sat 8/87:00 am
STL
- ABE
1 stop4h 28m
Delta
Deal found 7/19![Delta logo]()
$355
This Delta deal was found by Cheapflights users on 7/21. 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 8/56:08 pm
ABE
- STL
1 stop6h 13m
Delta
Sun 8/93:39 pm
STL
- ABE
1 stop5h 44m
Delta
Deal found 7/21![Delta logo]()
$365
This Delta deal was found by Cheapflights users on 7/23. 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 8/76:08 pm
ABE
- STL
1 stop6h 50m
Delta
Tue 8/117:00 am
STL
- ABE
1 stop4h 28m
Delta
Deal found 7/23![Delta logo]()
$363
This Delta deal was found by Cheapflights users on 7/20. 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 8/116:08 pm
ABE
- STL
1 stop6h 13m
Delta
Mon 8/177:00 am
STL
- ABE
1 stop4h 28m
Delta
Deal found 7/20![Delta logo]()
$323
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/142:54 pm
ABE
- STL
1 stop29h 29m
Multiple Airlines
Wed 8/192:10 pm
STL
- ABE
2 stops29h 57m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$359
This Kiwi.com deal was found by Cheapflights users on 7/20. 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 8/142:54 pm
ABE
- STL
2 stops19h 03m
Multiple Airlines
Thu 8/207:58 pm
STL
- ABE
1 stop18h 13m
Multiple Airlines
Deal found 7/20![Multiple Airlines logo]()
$392
This Delta deal was found by Cheapflights users on 7/20. 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 8/176:08 pm
ABE
- STL
1 stop6h 50m
Delta
Tue 8/1811:00 am
STL
- ABE
1 stop5h 23m
Delta
Deal found 7/20![Delta logo]()
$347
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Sun 8/233:05 pm
ABE
- STL
1 stop25h 23m
Multiple Airlines
Sun 8/306:17 pm
STL
- ABE
2 stops26h 59m
Multiple Airlines
Deal found 7/24![Multiple Airlines logo]()
$350
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/236:01 pm
ABE
- STL
1 stop5h 00m
United Airlines
Sun 8/3010:53 am
STL
- ABE
1 stop5h 03m
United Airlines
Deal found 7/24![United Airlines logo]()
$374
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 8/247:00 am
ABE
- STL
1 stop13h 13m
Multiple Airlines
Thu 8/275:02 pm
STL
- ABE
1 stop14h 57m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$293
This United Airlines deal was found by Cheapflights users on 7/20. 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 8/2910:32 am
ABE
- STL
1 stop7h 34m
United Airlines
Sun 8/309:30 am
STL
- ABE
1 stop6h 26m
United Airlines
Deal found 7/20![United Airlines logo]()
$309
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 July 24, 2026.
Search for one-way flight options from Allentown to St. Louis. Find affordable one-way fares based on user searches. Data last updated July 24, 2026.
This American Airlines deal was found by Cheapflights users on 7/24. 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 11/45:37 am
ABE
- STL
1 stop6h 15m
American Airlines
Deal found 7/24![American Airlines logo]()
$149
This Delta deal was found by Cheapflights users on 7/21. 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 10/306:00 pm
ABE
- STL
1 stop6h 48m
Delta
Deal found 7/21![Delta logo]()
$154
This Delta deal was found by Cheapflights users on 7/20. 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 11/46:30 am
ABE
- STL
1 stop5h 21m
Delta
Deal found 7/20![Delta logo]()
$174
This Delta deal was found by Cheapflights users on 7/23. 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 8/316:09 pm
ABE
- STL
1 stop6h 49m
Delta
Deal found 7/23![Delta logo]()
$179
This Delta deal was found by Cheapflights users on 7/22. 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 9/186:25 am
ABE
- STL
1 stop5h 30m
Delta
Deal found 7/22![Delta logo]()
$248
This Kiwi.com deal was found by Cheapflights users on 7/22. 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 9/188:00 am
ABE
- STL
3 stops26h 40m
Multiple Airlines
Deal found 7/22![Multiple Airlines logo]()
$265
This Delta deal was found by Cheapflights users on 7/22. 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 8/16:30 am
ABE
- STL
1 stop7h 00m
Delta
Deal found 7/22![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 7/22. 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 11/45:32 pm
ABE
- STL
2 stops24h 11m
United Airlines
Deal found 7/22![United Airlines logo]()
$368
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 July 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $293 (Kiwi.com) |
One-way from | $149 (American Airlines) |
Popular in | December |
Cheapest in | September |
Average price | $516 |
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 2,558,603 searches. Data last updated July 24, 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 - STL
ABESTL
Allentown-Bethlehem
Fri 9/11
6:25 am-12:32 pm
1 stop7h 07m
Lambert-St Louis
Sun 9/13
6:00 am-12:15 pm
1 stop5h 15m
$310
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Tue 8/11
6:16 am-9:54 am
1 stop4h 38m
Lambert-St Louis
Fri 8/21
3:39 pm-10:23 pm
1 stop5h 44m
$323
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Wed 12/23
1:00 pm-6:01 pm
1 stop6h 01m
Lambert-St Louis
Mon 12/28
6:00 am-12:04 pm
1 stop5h 04m
$323
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Thu 10/22
6:00 pm-11:48 pm
1 stop6h 48m
Lambert-St Louis
Sat 10/24
10:45 am-5:15 pm
1 stop5h 30m
$323
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Wed 9/23
6:25 am-1:23 pm
1 stop7h 58m
Lambert-St Louis
Sun 9/27
10:05 am-5:19 pm
1 stop6h 14m
$323
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Sat 11/7
6:00 pm-11:48 pm
1 stop6h 48m
Lambert-St Louis
Tue 11/10
9:00 am-5:12 pm
1 stop7h 12m
$333
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Fri 11/13
5:40 pm-11:39 pm
1 stop6h 59m
Lambert-St Louis
Mon 11/16
6:00 am-12:04 pm
1 stop5h 04m
$333
Quickest round-trip
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Sun 8/23
6:01 pm-10:01 pm
1 stop5h 00m
Lambert-St Louis
Sun 8/30
10:53 am-4:56 pm
1 stop5h 03m
$374
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Sat 10/31
5:32 pm-9:40 pm
1 stop5h 08m
Lambert-St Louis
Wed 11/4
1:08 pm-9:02 pm
1 stop6h 54m
$407
AllentownSt. Louis
ABE - STL
ABESTL
Allentown-Bethlehem
Thu 10/15
6:00 am-10:51 am
1 stop5h 51m
Lambert-St Louis
Sat 10/17
11:31 am-5:47 pm
1 stop5h 16m
$414
Showing 1-10 of 19 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 July.
| 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
What is the cheapest month to book a flight from Allentown to St. Louis?
Currently, September is the cheapest month in which you can book a flight from Allentown to St. Louis (average of $298). Flying from Allentown to St. Louis in December is currently the most expensive (average of $622). 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.
How much does it cost to fly round-trip from Allentown to St. Louis?
Airfare is below average for this route at the moment.
Allentown to St. Louis flights typically cost between $379 and $531 in August.The cheapest round-trip price found within the last 5 days was $293 on Multiple Airlines (Aug 24-Aug 27).
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 July 24, 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.
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Overall
7.8
Comfort
7.8
Crew
8.5
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 locationsEdwardsville
O'Fallon
Fenton
Swansea
Fairview Heights
Eureka
Maryland Heights
Collinsville
Wentzville
Glencoe
Chesterfield
Farmington
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Allentown and St. Louis flights
Browse other Allentown and St. Louis flight options. Last updated on July 24, 2026.
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Other flights to St. Louis
Explore flights to St. Louis departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on July 24, 2026.
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 2,558,603 searches. Data last updated July 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$228 | Average$397 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$394 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$437 | FlexibilityNo cancel fee | On-time69% |