$170+ 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 10/24. Fares are subject to change and may not be available on all flights or dates of travel.
ABE — STL
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Allentown to St. Louis 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.Cheap flight deals from Allentown to St. Louis
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One-way
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 17, 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 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:45 pm -
1 stop4h 58m
Sat 11/1411:00 am -
1 stop5h 15m
Deal found 9/16![Delta logo]()
$319
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:45 pm -
1 stop6h 28m
Sun 11/1510:00 am -
1 stop6h 15m
Deal found 9/16![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 9/15. 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.
Sat 11/146:00 pm -
1 stop6h 56m
Mon 11/162:31 pm -
1 stop6h 56m
Deal found 9/15![Delta logo]()
$348
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop7h 35m
Thu 10/1511:31 am -
1 stop5h 43m
Deal found 9/14![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:04 pm -
1 stop6h 38m
Tue 10/612:00 pm -
1 stop4h 16m
Deal found 9/13![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:04 pm -
1 stop6h 38m
Sat 10/36:00 am -
1 stop5h 15m
Deal found 9/13![Delta logo]()
$387
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop5h 50m
Sun 10/2511:32 am -
1 stop5h 45m
Deal found 9/12![American Airlines logo]()
$417
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:04 pm -
1 stop6h 38m
Sun 9/276:00 am -
1 stop5h 15m
Deal found 9/13![Delta logo]()
$419
This Delta deal was found by Cheapflights users on 9/16. 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 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
Sun 10/186:00 am -
1 stop5h 05m
Deal found 9/16![Delta logo]()
$420
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:11 pm -
1 stop6h 31m
Sun 10/410:05 am -
1 stop6h 14m
Deal found 9/16![Delta logo]()
$421
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/287:30 am -
1 stop12h 47m
Wed 10/72:29 pm -
2 stops31h 52m
Deal found 9/13![Multiple Airlines logo]()
$424
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 17, 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 17, 2026.
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1112:45 pm -
1 stop4h 58m
Sat 11/1411:00 am -
1 stop5h 15m
Deal found 9/16![Delta logo]()
$319
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 1/306:10 am -
2 stops15h 49m
Wed 2/310:50 am -
1 stop4h 55m
Deal found 9/16![United Airlines logo]()
$601
This Delta deal was found by Cheapflights users on 9/16. 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 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 9/16![Delta logo]()
$338
This Delta deal was found by Cheapflights users on 9/16. 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 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
Sun 10/186:00 am -
1 stop5h 05m
Deal found 9/16![Delta logo]()
$420
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:11 pm -
1 stop6h 31m
Sun 10/410:05 am -
1 stop6h 14m
Deal found 9/16![Delta logo]()
$421
This Delta deal was found by Cheapflights users on 9/15. 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.
Wed 9/306:08 pm -
1 stop6h 34m
Sun 10/46:00 am -
1 stop5h 15m
Deal found 9/15![Delta logo]()
$464
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Sat 11/146:15 am -
2 stops15h 44m
Mon 11/161:08 pm -
1 stop6h 54m
Deal found 9/15![United Airlines logo]()
$654
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Tue 11/176:15 am -
1 stop6h 55m
Sun 11/225:00 pm -
3 stops27h 02m
Deal found 9/13![United Airlines logo]()
$657
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:04 pm -
1 stop6h 38m
Fri 10/23:13 pm -
1 stop20h 02m
Deal found 9/13![Delta logo]()
$626
Last-minute flights from Allentown to St. LouisDiscover last-minute flight deals from Allentown to St. Louis. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Allentown to St. Louis. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:04 pm -
1 stop6h 38m
Sun 9/276:00 am -
1 stop5h 15m
Deal found 9/13![Delta logo]()
$419
This United Airlines deal was found by Cheapflights users on 9/13. 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.
Sun 9/275:43 pm -
1 stop4h 38m
Mon 10/51:29 pm -
1 stop6h 31m
Deal found 9/13![United Airlines logo]()
$434
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:04 pm -
1 stop6h 38m
Wed 10/710:14 am -
1 stop6h 02m
Deal found 9/13![Delta logo]()
$372
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/286:04 pm -
1 stop6h 38m
Sat 10/36:00 am -
1 stop5h 15m
Deal found 9/13![Delta logo]()
$387
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/287:30 am -
1 stop12h 47m
Wed 10/72:29 pm -
2 stops31h 52m
Deal found 9/13![Multiple Airlines logo]()
$424
This Delta deal was found by Cheapflights users on 9/13. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:08 pm -
1 stop6h 34m
Sun 10/46:00 am -
1 stop5h 15m
Deal found 9/13![Delta logo]()
$463
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 10/27:30 am -
1 stop12h 47m
Wed 10/72:29 pm -
2 stops31h 52m
Deal found 9/13![Multiple Airlines logo]()
$460
This Delta deal was found by Cheapflights users on 9/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/36:11 pm -
1 stop6h 31m
Sun 10/410:05 am -
1 stop6h 14m
Deal found 9/16![Delta logo]()
$421
This American Airlines deal was found by Cheapflights users on 9/14. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/136:00 am -
1 stop7h 35m
Thu 10/1511:31 am -
1 stop5h 43m
Deal found 9/14![American Airlines logo]()
$363
This Delta deal was found by Cheapflights users on 9/16. 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 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
Sun 10/186:00 am -
1 stop5h 05m
Deal found 9/16![Delta logo]()
$420
This American Airlines deal was found by Cheapflights users on 9/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:00 am -
1 stop5h 50m
Sun 10/2511:32 am -
1 stop5h 45m
Deal found 9/12![American Airlines logo]()
$417
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 17, 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 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/15. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/246:00 am -
1 stop7h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![American Airlines logo]()
$170
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
3 stops56h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Multiple Airlines logo]()
$207
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/186:00 am -
1 stop5h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![American Airlines logo]()
$224
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Sat 10/241:24 pm -
2 stops28h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$256
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/296:01 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Delta logo]()
$265
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sat 9/265:43 pm -
1 stop6h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$314
This Delta deal was found by Cheapflights users on 9/15. 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.
Thu 9/246:04 pm -
1 stop6h 38m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$349
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Fri 9/259:01 pm -
2 stops39h 16m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$369
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 9/242:28 pm -
2 stops23h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Multiple Airlines logo]()
$420
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 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $319 (Delta) |
One-way from | $170 (American Airlines) |
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 17, 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
Sun 10/18
6:00 am-5:40 pm
2 stops36h 40m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$237
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Tue 12/29
6:01 pm-11:55 pm
1 stop6h 54m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$265
Quickest round-trip
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Sat 9/26
5:43 pm-10:59 pm
1 stop6h 16m
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 11/11
12:45 pm-4:43 pm
1 stop4h 58m
Lambert-St Louis
Sat 11/14
11:00 am-5:15 pm
1 stop5h 15m
$319
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Sat 10/24
1:24 pm-4:58 pm
3 stops28h 34m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$323
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
$338
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Thu 9/24
6:04 pm-11:42 pm
1 stop6h 38m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$349
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
Sun 10/18
6:00 am-12:05 pm
1 stop5h 05m
$420
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Sat 10/3
6:11 pm-11:42 pm
1 stop6h 31m
Lambert-St Louis
Sun 10/4
10:05 am-5:19 pm
1 stop6h 14m
$421
AllentownSt. Louis
ABE Allentown-Bethlehem - STL Lambert-St Louis
ABESTL
Allentown-Bethlehem
Fri 9/25
9:01 pm-9:35 am
3 stops37h 34m
Lambert-St Louis
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$422
Showing 1-10 of 16 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
What is the cheapest month to book a flight from Allentown to St. Louis?
Currently, October is the cheapest month in which you can book a flight from Allentown to St. Louis (average of $310). 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 $335 and $667 in November.The cheapest round-trip price found within the last 5 days was $319 on Delta (Nov 7-Nov 14).
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 17, 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.
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Crew
8.5
Overall
7.8
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Food
7.2
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
Maryland Heights
Collinsville
Wentzville
Edwardsville
Glencoe
Chesterfield
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$253 | Average$438 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$282 | Average$403 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$312 | Average$438 | FlexibilityNo cancel fee | On-time69% |