St. Louis

$175+ Cheap flights from Allentown to St. Louis (ABE - STL)

ABE — STL
Dec 13 — Dec 201
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1. Tell us where you want to go

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Cheap flight deals from Allentown to St. Louis

Cheapest flights from Allentown to St. Louis

Mon 12/77:00 am -
1 stop18h 12m
Wed 12/96:20 pm -
1 stop18h 34m
Deal found 11/10$389
Tue 12/15:58 pm -
1 stop7h 07m
Wed 12/96:00 am -
1 stop5h 07m
Deal found 11/10$393
Fri 12/252:00 pm -
1 stop5h 29m
Fri 1/16:00 am -
1 stop6h 11m
Deal found 11/13$401
Fri 12/46:00 am -
1 stop5h 30m
Sun 12/61:18 pm -
1 stop7h 07m
Deal found 11/10$407
Thu 12/246:25 am -
1 stop5h 21m
Mon 1/43:48 pm -
1 stop5h 51m
Deal found 11/13$413
Tue 12/15:58 pm -
1 stop7h 07m
Sun 12/66:00 am -
1 stop5h 07m
Deal found 11/10$426
Mon 12/77:00 am -
1 stop18h 12m
Tue 12/86:20 pm -
1 stop19h 34m
Deal found 11/10$427
Sat 12/196:01 pm -
1 stop5h 03m
Tue 12/293:48 pm -
1 stop5h 49m
Deal found 11/10$442
Fri 12/45:58 pm -
2 stops18h 02m
Mon 12/72:33 pm -
1 stop6h 54m
Deal found 11/10$444
Tue 12/111:00 am -
1 stop10h 07m
Thu 12/36:13 pm -
1 stop24h 40m
Deal found 11/10$466
Tue 12/15:58 pm -
1 stop7h 07m
Sat 12/56:03 am -
2 stops15h 24m
Deal found 11/10$469

Find flight deals from Allentown to St. Louis

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$389
(Kiwi.com)

One-way from

$175
(Kiwi.com)

Popular in

September

Cheapest in

October

Average price

$626
Provider with most accurate pricing for Allentown-Bethlehem-Lambert-St Louis flight deals.
Provider most trusted by Cheapflights users for Allentown-Bethlehem-Lambert-St Louis flights.
From Allentown-Bethlehem to Lambert-St Louis
One-way flight from Allentown-Bethlehem to Lambert-St Louis
High demand for flights, 3% potential price rise
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

 
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

Price

Cheapest round-trip
Quickest round-trip

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Sun 12/20

5:25 pm-11:38 pm

1 stop7h 13m

Lambert-St Louis

Wed 12/31

12:00 am-1:00 am

Nonstop0h 00m

$290

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Thu 4/29

1:00 pm-6:01 pm

1 stop6h 01m

Lambert-St Louis

Sun 5/2

5:15 pm-10:46 pm

1 stop4h 31m

$391

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Fri 12/4

5:58 pm-12:05 am

1 stop7h 07m

Lambert-St Louis

Tue 12/8

10:06 am-5:13 pm

1 stop6h 07m

$393

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Fri 12/25

2:00 pm-6:29 pm

1 stop5h 29m

Lambert-St Louis

Wed 12/30

6:00 am-12:20 pm

1 stop5h 20m

$401

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Fri 12/25

6:25 am-1:15 pm

1 stop7h 50m

Lambert-St Louis

Mon 1/4

3:48 pm-10:39 pm

1 stop5h 51m

$401

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

Mon 1/4

6:00 am-12:14 pm

1 stop5h 14m

$401

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Sat 12/19

6:01 pm-10:04 pm

1 stop5h 03m

Lambert-St Louis

Tue 12/29

3:48 pm-10:37 pm

1 stop5h 49m

$442

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Tue 12/8

5:32 pm-10:59 pm

1 stop6h 27m

Lambert-St Louis

Tue 12/15

1:18 pm-9:22 pm

1 stop7h 04m

$444

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Fri 12/4

5:58 pm-11:00 am

2 stops18h 02m

Lambert-St Louis

Wed 12/9

10:06 am-5:13 pm

1 stop6h 07m

$444

AllentownSt. Louis

ABE Allentown-Bethlehem - STL Lambert-St Louis

ABESTL

Allentown-Bethlehem

Thu 12/3

5:58 pm-12:05 am

1 stop7h 07m

Lambert-St Louis

Sat 12/5

6:03 am-10:27 pm

2 stops15h 24m

$469

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/10

Showing 1-10 of 12 resultsSorted by cheapest first
1
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Compare providers for flights from Allentown to St. Louis

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 November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • 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.
Estimated round-trip price

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 $354). Flying from Allentown to St. Louis in September is currently the most expensive (average of $650). 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.

Reviews of airlines servicing St. Louis

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.

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Comfort

7.8

Crew

8.5

Food

7.2

Overall

7.8

Boarding

8.1

Entertainment

7.8

Reviews

1 / 20
6.0
Good

Ellen,Oct 2026

GRR - ATL

The flight was delayed more then 30 minutes after I hurried and stressed to get to my connecting gate in Atlanta.

Related info for your journey

  • How long is the flight from Allentown to St. Louis?

    Departing from Allentown to St. Louis will take you 6h 01m. Allentown and St. Louis are separated by a distance of 803 mi.

  • What are the cheapest airlines flying from Allentown to St. Louis round-trip?

    Cheapflights users have booked flights from Allentown to St. Louis round-trip from $293. Other airlines that can offer you cheap pricing are United Airlines, from $318, and American Airlines, from $358. Users have found that Delta is 38% cheaper than the other options available to this destination.

  • Can I find deals for flights from Allentown to St. Louis that include hotel bookings?

    Yes. In addition to deals on Allentown to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Allentown to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Allentown to St. Louis.

  • Can I find deals for business class flights from Allentown to St. Louis?

    Yes. Cheapflights offers flight deals from Allentown to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • 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 $354). Flying from Allentown to St. Louis in September is currently the most expensive (average of $650). 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.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Fairview Heights
O'Fallon
Fenton
Eureka
Wentzville
Maryland Heights
Chesterfield
Swansea
Edwardsville
Glencoe

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Allentown to St. Louis

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$293Average$394FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$318Average$438FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$358Average$511FlexibilityNo cancel feeOn-time71%

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