ABE - STL

$164 Find Cheap Flights from Allentown to St. Louis - Compare and Save

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Everything you should know

Cheapest round-trip
$277
Typical prices: $328-$499
Delta
Sat 10/6Sun 10/7
ABE - STL • 1 stop
Cheapest one-way
$164
Typical prices: $209-$374
Multiple Airlines
Thu 11/15
ABE - STL • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Allentown and St. Louis. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to travel
October
Cheapest • 22% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Philadelphia (PHL)
Cheapest • Avg $382 (round-trip)
Charlotte Douglas (CLT)
Shortest trip • 5h 31m (one-way)
Insights
Insights
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We hope you love your trip to St. Louis!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Allentown to St. Louis (ABE-STL)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Allentown to St. Louis

Tue, Oct 6 - Wed, Oct 7
Delta Logo
6:03 pm - 11:54 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
6h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
12:00 pm - 5:16 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
4h 16m1 stop Atlanta Hartsfield-Jackson
$277Delta
Mon, Oct 26 - Wed, Oct 28
Delta Logo
6:03 pm - 11:54 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
6h 51m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:25 pm - 10:19 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
6h 54m1 stop Atlanta Hartsfield-Jackson
$277Delta
Tue, Oct 27 - Sat, Oct 31
Delta Logo
6:39 am - 10:51 amABE  Allentown-Bethlehem-STL Lambert-St Louis
5h 12m1 stop Atlanta Hartsfield-Jackson
Delta Logo
4:00 pm - 10:19 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
5h 19m1 stop Atlanta Hartsfield-Jackson
$277Delta
Wed, Oct 7 - Fri, Oct 9
American Airlines Logo
6:00 am - 10:50 amABE  Allentown-Bethlehem-STL Lambert-St Louis
5h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
11:31 am - 6:14 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
5h 43m1 stop Chicago O'Hare Intl
$403American Airlines
Fri, Oct 23 - Sun, Oct 25
American Airlines Logo
6:00 am - 10:50 amABE  Allentown-Bethlehem-STL Lambert-St Louis
5h 50m1 stop Chicago O'Hare Intl
American Airlines Logo
11:32 am - 6:17 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
5h 45m1 stop Chicago O'Hare Intl
$417American Airlines
Mon, Sep 28 - Wed, Oct 7
Multiple Airlines Logo
7:30 am - 7:17 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
12h 47m1 stop Denver Intl
Multiple Airlines Logo
2:29 pm - 11:21 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
31h 52m2 stops Atlanta Hartsfield-Jackson Orlando
$424Multiple Airlines
Sun, Sep 27 - Mon, Oct 5
United Airlines Logo
5:43 pm - 9:21 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
4h 38m1 stop Chicago O'Hare Intl
United Airlines Logo
1:29 pm - 9:00 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
6h 31m1 stop Chicago O'Hare Intl
$434United Airlines
Sat, Jan 30 - Wed, Feb 3
United Airlines Logo
5:20 pm - 9:47 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
5h 27m1 stop Chicago O'Hare Intl
United Airlines Logo
10:50 am - 4:45 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
4h 55m1 stop Chicago O'Hare Intl
$437United Airlines
Sun, Sep 27 - Thu, Oct 1
Multiple Airlines Logo
9:55 pm - 1:21 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
40h 26m2 stops Nashville Intl Jonesboro
Multiple Airlines Logo
6:39 pm - 8:28 amSTL  Lambert-St Louis-ABE Allentown-Bethlehem
12h 49m1 stop Orlando
$450Multiple Airlines
Tue, Nov 17 - Sun, Nov 22
American Airlines Logo
5:37 am - 12:50 pmABE  Allentown-Bethlehem-STL Lambert-St Louis
8h 13m1 stop Chicago O'Hare Intl
American Airlines Logo
11:14 am - 5:52 pmSTL  Lambert-St Louis-ABE Allentown-Bethlehem
5h 38m1 stop Chicago O'Hare Intl
$468American Airlines
Booking Insights

Price, demand and travel trends for Allentown to St. Louis flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Allentown to St. Louis with more confidence.

How much is a round-trip flight from Allentown to St. Louis?

Round-trip flights from Allentown to St. Louis start at $277. Prices are below average for this route right now, with typical round-trip fares ranging from $328 to $499. The lowest price found in the past 5 days was $277 on Delta.

What's the cheapest day of the week to fly from Allentown to St. Louis?

Friday is the cheapest day of the week to fly from Allentown to St. Louis, it is 12% cheaper than the average day. Sunday is the most expensive day with flight prices 31% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Allentown to St. Louis?

  • October is the cheapest month to fly from Allentown to St. Louis at $317 round-trip.
  • September ($609) and July ($516) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 92% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

Find deals

Key details for Allentown to St. Louis flights

Low season

September

Cheapest flight

$164
Best time to beat the crowds but there is an average 50% increase in price.
Most popular time to fly and prices are also 17% lower on average.
Flight from Allentown to St. Louis

When to book flights from Allentown to St. Louis

Are your dates flexible? Find out the best times to travel from Allentown to St. Louis based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Allentown to St. Louis flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airports can I use when flying from Allentown to St. Louis?

    Flights from Allentown to St. Louis usually depart from Allentown-Bethlehem (ABE) and arrive at Lambert-St Louis (STL).

  • What cabin classes can I book on flights from Allentown to St. Louis?

    Two cabin classes are available on flights from Allentown to St. Louis:

    • Economy Class
    • First Class

  • Which airports do connecting flights from Allentown to St. Louis pass through?

    One-stop flights from Allentown to St. Louis most commonly connect through:

    • Atlanta Hartsfield-Jackson (ATL) - 42% of one-stop connections
    • Chicago O'Hare Intl (ORD) - 25% of one-stop connections
    • Philadelphia (PHL) - 22% of one-stop connections
    • Charlotte Douglas (CLT) - 10% of one-stop connections

    Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.

  • Can I save money by using flexible dates for flights from Allentown to St. Louis?

    Yes. Being flexible with your travel dates can save you up to 33% on the Allentown to St. Louis route. Friday is the cheapest departure day at $359 round-trip on average, while Sunday is the most expensive at $533, a difference of $174. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in St. Louis?

    Some of the most popular sights in St. Louis are Downtown St. Louis, Busch Stadium and Enterprise Center. These are among the most viewed places in St. Louis on KAYAK.

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

    A nonstop flight from Allentown to St. Louis takes 0h 00m, covering 803 miles.

  • Do I need a passport to fly from Allentown to St. Louis?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

  • How are flight prices from Allentown to St. Louis looking right now?

    One-way fares from Allentown to St. Louis are currently higher than usual. Average one-way flight prices are about $286, which is 14% above the typical average for this route.

  • How much time can I save by choosing a different layover airport from Allentown to St. Louis?

    Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 5h 17m, compared with 5h 31m via Charlotte Douglas (CLT) and 5h 40m via Atlanta Hartsfield-Jackson (ATL).

  • What is the time difference between Allentown and St. Louis?

    St. Louis is 1 hour behind Allentown (Central Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What car rental options are available at Lambert-St Louis Airport (STL)?

    Lambert-St Louis Airport (STL) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:
    • Hertz
    • Budget
    • Alamo
    • Enterprise Rent-A-Car
    • Payless

  • How much should I expect to pay for a Allentown to St. Louis flight?

    Round-trip flights from Allentown to St. Louis range from $328 to $499, with an average of $406 over the past 12 months. Anything below $328 counts as a good deal.

Your guide to booking Allentown to St. Louis flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $359 - about $174 less than Sunday (33% savings) based on the last 12 months.
  • If you can choose when to travel, plan your Allentown to St. Louis trip for October. Fares historically average $317 round-trip in that month - typically $292 less than the most expensive month, which is September (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Lambert-St Louis Airport.
    - Drury Inn & Suites St. Louis Airport
    - Renaissance St. Louis Airport Hotel
    - DoubleTree by Hilton St. Louis Airport

More options for your flight from Allentown to St. Louis

Complete your trip to St. Louis with a hotel stay or car rental

Car rentals in St. Louis
Hotels in St. Louis
Vacations in St. Louis