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Flights from St. Louis to Allentown
Cheap flight deals from St. Louis to Allentown
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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STL 15:425h 47m1 stopsABE 22:29St. Louis - Allentown | Fri, Jun 20 | Delta Air LinesABE 18:056h 31m1 stopsSTL 23:36Allentown - St. Louis | Tue, Jun 24 | Delta Air LinesRp 4,442,518 Rp 11,855,05363% OFF63% OFFRp 11,855,053 Rp 4,442,518
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STL 15:425h 47m1 stopsABE 22:29St. Louis - Allentown | Tue, Jun 24 | Delta Air LinesABE 18:056h 31m1 stopsSTL 23:36Allentown - St. Louis | Sat, Jun 28 | Delta Air LinesRp 5,445,887 Rp 11,855,05354% OFF54% OFFRp 11,855,053 Rp 5,445,887
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STL 16:105h 19m1 stopsABE 22:29St. Louis - Allentown | Mon, Jun 30 | Delta Air LinesABE 18:044h 37m1 stopsSTL 21:41Allentown - St. Louis | Mon, Jul 7 | Delta Air LinesRp 7,563,857 Rp 11,855,05336% OFF36% OFFRp 11,855,053 Rp 7,563,857
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STL 15:415h 49m1 stopsABE 22:30St. Louis - Allentown | Sun, Jul 27 | Delta Air LinesABE 06:004h 41m1 stopsSTL 09:41Allentown - St. Louis | Wed, Jul 30 | Delta Air LinesRp 8,015,60032% OFFRp 11,855,053 Rp 8,015,600
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STL 13:207h 35m1 stopsABE 21:55St. Louis - Allentown | Mon, Jun 30 | United AirlinesABE 17:356h 10m1 stopsSTL 22:45Allentown - St. Louis | Mon, Jul 7 | United AirlinesRp 8,299,35930% OFFRp 11,855,053 Rp 8,299,359
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STL 10:485h 37m1 stopsABE 17:25St. Louis - Allentown | Thu, Jun 26 | Delta Air LinesABE 18:056h 31m1 stopsSTL 23:36Allentown - St. Louis | Mon, Jun 30 | Delta Air LinesRp 9,239,16522% OFFRp 11,855,053 Rp 9,239,165
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STL 12:505h 42m1 stopsABE 19:32St. Louis - Allentown | Mon, Jun 16 | American AirlinesABE 19:365h 23m1 stopsSTL 23:59Allentown - St. Louis | Wed, Jun 18 | American AirlinesRp 9,482,06220% OFFRp 11,855,053 Rp 9,482,062
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STL 15:425h 47m1 stopsABE 22:29St. Louis - Allentown | Mon, Jun 16 | Delta Air LinesABE 06:004h 43m1 stopsSTL 09:43Allentown - St. Louis | Wed, Jun 18 | Delta Air LinesRp 9,729,50018% OFFRp 11,855,053 Rp 9,729,500
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STL 15:425h 47m1 stopsABE 22:29St. Louis - Allentown | Thu, Jun 19 | Delta Air LinesABE 18:054h 29m1 stopsSTL 21:34Allentown - St. Louis | Mon, Jun 23 | Delta Air LinesRp 9,926,99516% OFFRp 11,855,053 Rp 9,926,995
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STL 06:005h 17m1 stopsABE 12:17St. Louis - Allentown | Sun, Jun 22 | Delta Air LinesABE 06:004h 43m1 stopsSTL 09:43Allentown - St. Louis | Thu, Jun 26 | Delta Air LinesRp 11,143,7506% OFFRp 11,855,053 Rp 11,143,750
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STL 13:0017h 25m1 stopsABE Invalid DateSt. Louis - Allentown | Mon, Jun 16 | Normal AirlineABE 15:006hNonstopSTL 16:00Allentown - St. Louis | Wed, Jun 18 | Normal AirlineFind More FlightsFind More Flights
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STL 17:4713h 59m1 stopsABE 08:46St. Louis - Allentown | Sat, Jun 21 | Frontier AirlinesRp 3,055,508 Rp 5,114,89240% OFF40% OFFRp 5,114,892 Rp 3,055,508
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STL 15:415h 49m1 stopsABE 22:30St. Louis - Allentown | Mon, Aug 4 | Delta Air LinesRp 3,607,134 Rp 5,114,89228% OFF28% OFFRp 5,114,892 Rp 3,607,134
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STL 15:415h 49m1 stopsABE 22:30St. Louis - Allentown | Sun, Jul 27 | Delta Air LinesRp 4,015,746 Rp 5,114,89221% OFF21% OFFRp 5,114,892 Rp 4,015,746
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STL 15:405h 15m1 stopsABE 21:55St. Louis - Allentown | Sat, Jun 21 | United AirlinesRp 4,072,49720% OFFRp 5,114,892 Rp 4,072,497
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STL 17:274h 29m1 stopsABE 22:56St. Louis - Allentown | Fri, Jun 20 | Delta Air LinesRp 4,081,57820% OFFRp 5,114,892 Rp 4,081,578
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STL 06:005h 15m1 stopsABE 12:15St. Louis - Allentown | Fri, Jul 25 | Delta Air LinesRp 4,113,35820% OFFRp 5,114,892 Rp 4,113,358
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STL 15:425h 47m1 stopsABE 22:29St. Louis - Allentown | Tue, Jun 17 | Delta Air LinesRp 4,126,97919% OFFRp 5,114,892 Rp 4,126,979
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STL 13:207h 37m1 stopsABE 21:57St. Louis - Allentown | Mon, Aug 4 | United AirlinesRp 4,156,49019% OFFRp 5,114,892 Rp 4,156,490
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STL 11:204h 39m1 stopsABE 16:59St. Louis - Allentown | Tue, Jun 17 | United AirlinesRp 4,669,5249% OFFRp 5,114,892 Rp 4,669,524
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STL 15:425h 47m1 stopsABE 22:29St. Louis - Allentown | Sat, Jun 14 | Delta Air LinesRp 4,807,9986% OFFRp 5,114,892 Rp 4,807,998
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STL 13:0017h 25m1 stopsABE Invalid DateSt. Louis - Allentown | Mon, Jun 16 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | St. Louis to Allentown
Cheapest one-way flight price | Rp 3,055,507 |
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Off-season for travel | March |
Peak season for travel | March |
Flight distance | 1,281 km |
Popular airline | American Airlines |
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from St. Louis (STL) to Allentown (ABE) the cheapest?
Airlines adjust prices for flights from St. Louis to Allentown based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from St. Louis (STL) to Allentown (ABE) cost?
According to Trip.com's data, the lowest price is around Rp 9,146,092.
How to find a cheap flight from St. Louis to Allentown
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from St. Louis to Allentown. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest St. Louis to Allentown ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from St. Louis to Allentown for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is Rp 3055508 for a one-way ticket on Sat, Jun 21.
Compare cheap St. Louis to Allentown flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from St. Louis to Allentown. The most affordable airline currently operating on this route is Frontier Airlines.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
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