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

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

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

Only Economy Class is available on flights from St. Louis to Allentown.

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

One-stop flights from St. Louis to Allentown most commonly connect through: • Atlanta Hartsfield-Jackson (ATL) - 63% of one-stop connections • Chicago O'Hare Intl (ORD) - 17% of one-stop connections • Philadelphia (PHL) - 17% of one-stop connections • Charlotte Douglas (CLT) - 3% of one-stop connections

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

Yes. Flexible dates can save you up to 65% on flights from St. Louis to Allentown. Friday is the cheapest departure day at $302 round-trip on average, while Tuesday is the most expensive at $841, a difference of $539. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

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

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

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

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.

Have flight prices from St. Louis to Allentown changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $375 to $2,543. That means the highest observed fare was about 7x higher than the lowest one.

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

One-way fares from St. Louis to Allentown are currently higher than usual. Average one-way flight prices are about $451, which is 87% above the typical average for this route.

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

Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 5h 29m, compared with 5h 36m via Atlanta Hartsfield-Jackson (ATL) and 5h 52m via Charlotte Douglas (CLT).

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

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

What car rental options are available at Allentown-Bethlehem Airport (ABE)?

Allentown-Bethlehem Airport (ABE) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include: • Alamo • Dollar • Budget • Hertz • Thrifty

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

Round-trip flights from St. Louis to Allentown range from $317 to $611, with an average of $448 over the past 12 months. Anything below $317 counts as a good deal.

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

Round-trip flights from St. Louis to Allentown typically range from $317 to $611. The lowest price found in the past 5 days was $375, on Delta.

Which airline is the cheapest to fly from St. Louis to Allentown?

Delta ($375) and United Airlines ($389) are the cheapest airlines to fly round-trip from St. Louis to Allentown according to KAYAK data over the last 5 days.

What’s the most popular layover airport when flying from St. Louis to Allentown?

Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the St. Louis to Allentown route. 63% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.

What is the cheapest layover airport when flying from St. Louis to Allentown?

Flights via Philadelphia (PHL) offer the most affordable fares, with an average round-trip price of $389. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Allentown which airport offers the shortest layover?

Philadelphia (PHL) had the shortest average connection time for St. Louis to Allentown layovers at 3h 29m over the past 3 months.

$305 CHEAP FLIGHTS from St. Louis to Allentown (STL - ABE)

Save 25% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$375

Typical prices: $317-$611

Delta

Mon 11/26Mon 12/3

STL - ABE • 1 stop

Cheapest one-way

$305

Typical prices: $148-$295

American Airlines

Fri 11/30

STL - ABE • 1 stop

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Allentown. You'll need to take a connecting flight to reach the destination.

Insights

When to travel

January

Cheapest • 33% price drop

May

Most popular

Good to know

Top layover airports

Philadelphia (PHL)

Cheapest • Avg $389 (round-trip)

Atlanta Hartsfield-Jackson (ATL)

Shortest trip • 5h 36m (one-way)

Insights

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Allentown!

Flight Deals

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

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

Round-trip

One-way

Last minute

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

Thu, Nov 26 - Thu, Dec 3

6:00 am - 1:03 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 03m1 stop Atlanta Hartsfield-Jackson

5:58 pm - 12:05 amABE Allentown-Bethlehem-STL Lambert-St Louis

7h 07m1 stop Atlanta Hartsfield-Jackson

$375Delta

Tue, Nov 10 - Sat, Nov 14

1:08 pm - 9:02 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 54m1 stop Chicago O'Hare Intl

6:15 am - 12:12 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 57m1 stop Chicago O'Hare Intl

$389United Airlines

Wed, Nov 11 - Sat, Nov 14

6:00 am - 12:04 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 04m1 stop Atlanta Hartsfield-Jackson

6:30 am - 11:15 amABE Allentown-Bethlehem-STL Lambert-St Louis

5h 45m1 stop Atlanta Hartsfield-Jackson

$407Delta

Wed, Nov 25 - Wed, Dec 2

6:00 am - 10:56 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

15h 56m1 stop Chicago O'Hare Intl

6:12 pm - 10:17 pmABE Allentown-Bethlehem-STL Lambert-St Louis

5h 05m1 stop Chicago O'Hare Intl

$411American Airlines

Wed, Nov 25 - Wed, Dec 2

6:00 am - 10:56 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

15h 56m1 stop Chicago O'Hare Intl

6:12 pm - 10:17 pmABE Allentown-Bethlehem-STL Lambert-St Louis

5h 05m1 stop Chicago O'Hare Intl

$411American Airlines

Fri, Dec 18 - Sun, Dec 20

10:06 am - 5:14 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 08m1 stop Atlanta Hartsfield-Jackson

6:01 pm - 11:55 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 54m1 stop Atlanta Hartsfield-Jackson

$415Delta

Thu, Nov 26 - Mon, Nov 30

6:00 am - 1:03 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 03m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:56 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 56m1 stop Atlanta Hartsfield-Jackson

$415Delta

Wed, Nov 25 - Mon, Nov 30

2:31 pm - 10:27 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 56m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:56 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 56m1 stop Atlanta Hartsfield-Jackson

$431Delta

Sat, Feb 6 - Tue, Feb 9

10:45 am - 4:45 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 00m1 stop Chicago O'Hare Intl

5:20 pm - 11:20 pmABE Allentown-Bethlehem-STL Lambert-St Louis

7h 00m1 stop Chicago O'Hare Intl

$467United Airlines

Sat, Feb 6 - Tue, Feb 9

10:45 am - 4:45 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 00m1 stop Chicago O'Hare Intl

5:20 pm - 11:20 pmABE Allentown-Bethlehem-STL Lambert-St Louis

7h 00m1 stop Chicago O'Hare Intl

$468United Airlines

Recent last minute flight deals from St. Louis to Allentown

Sat, Oct 31 - Sun, Nov 1

6:00 am - 1:21 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 21m1 stop Atlanta Hartsfield-Jackson

6:03 pm - 11:54 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 51m1 stop Atlanta Hartsfield-Jackson

$501Delta

Wed, Nov 4 - Mon, Nov 9

2:10 pm - 3:41 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

24h 31m2 stops Jonesboro Nashville Intl

4:36 pm - 11:16 pmABE Allentown-Bethlehem-STL Lambert-St Louis

7h 40m1 stop Orlando

$520Multiple Airlines

Thu, Nov 5 - Wed, Nov 11

10:25 am - 5:16 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 51m1 stop Atlanta Hartsfield-Jackson

12:45 pm - 6:13 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 28m1 stop Atlanta Hartsfield-Jackson

$523Delta

Wed, Nov 4 - Sun, Nov 8

2:10 pm - 3:41 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

24h 31m2 stops Jonesboro Nashville Intl

6:00 am - 11:16 pmABE Allentown-Bethlehem-STL Lambert-St Louis

18h 16m1 stop Orlando Sanford Intl

$534Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

10:25 am - 5:16 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 51m1 stop Atlanta Hartsfield-Jackson

6:00 pm - 11:56 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 56m1 stop Atlanta Hartsfield-Jackson

$554Delta

Thu, Nov 5 - Sat, Nov 7

10:25 am - 5:16 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 51m1 stop Atlanta Hartsfield-Jackson

6:03 pm - 11:54 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 51m1 stop Atlanta Hartsfield-Jackson

$554Delta

Thu, Nov 5 - Sun, Nov 8

10:25 am - 5:16 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 51m1 stop Atlanta Hartsfield-Jackson

6:03 pm - 11:54 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 51m1 stop Atlanta Hartsfield-Jackson

$554Delta

Thu, Nov 5 - Tue, Nov 10

10:25 am - 5:16 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 51m1 stop Atlanta Hartsfield-Jackson

6:30 am - 1:23 pmABE Allentown-Bethlehem-STL Lambert-St Louis

7h 53m1 stop Atlanta Hartsfield-Jackson

$554Delta

Thu, Nov 5 - Sun, Nov 8

4:26 pm - 8:39 amSTL Lambert-St Louis-ABE Allentown-Bethlehem

15h 13m1 stop Orlando

4:31 pm - 1:31 pmABE Allentown-Bethlehem-STL Lambert-St Louis

22h 00m2 stops Nashville Intl Jonesboro

$592Multiple Airlines

Thu, Nov 5 - Mon, Nov 9

4:26 pm - 8:39 amSTL Lambert-St Louis-ABE Allentown-Bethlehem

15h 13m1 stop Orlando

4:36 pm - 3:23 pmABE Allentown-Bethlehem-STL Lambert-St Louis

47h 47m2 stops Orlando Denver Intl

$603Multiple Airlines

Booking Insights

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

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

Prices

Airlines

Layovers

How much is a round-trip flight from St. Louis to Allentown? This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from St. Louis to Allentown departing in november.

Find deals

Low season	November
High season	May
Cheapest flight	$305

Beat the crowds with an average 87% drop in travelers.

The most popular month to fly with an average 38% increase in travelers.

One-way flight from St. Louis to Allentown

When to book flights from St. Louis to Allentown

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

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from St. Louis to Allentown?
Only Economy Class is available on flights from St. Louis to Allentown.
How long is a flight from St. Louis to Allentown?
A nonstop flight from St. Louis to Allentown takes 00m, covering 803 miles.
Do I need a passport to fly from St. Louis to Allentown?
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 much should I expect to pay for a St. Louis to Allentown flight?
Round-trip flights from St. Louis to Allentown range from $317 to $611, with an average of $448 over the past 12 months. Anything below $317 counts as a good deal.
Have flight prices from St. Louis to Allentown changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $375 to $2,543. That means the highest observed fare was about 7x higher than the lowest one.
How are flight prices from St. Louis to Allentown looking right now?
One-way fares from St. Louis to Allentown are currently higher than usual. Average one-way flight prices are about $451, which is 87% above the typical average for this route.
What car rental options are available at Allentown-Bethlehem Airport (ABE)?
Allentown-Bethlehem Airport (ABE) hosts 5 major car rental companies, with daily rates averaging $64 for economy cars. Top options include:

• Alamo
• Dollar
• Budget
• Hertz
• Thrifty
Which airports can I use when flying from St. Louis to Allentown?
Flights from St. Louis to Allentown usually depart from Lambert-St Louis (STL) and arrive at Allentown-Bethlehem (ABE).
Which airports do connecting flights from St. Louis to Allentown pass through?
One-stop flights from St. Louis to Allentown most commonly connect through:

• Atlanta Hartsfield-Jackson (ATL) - 63% of one-stop connections
• Chicago O'Hare Intl (ORD) - 17% of one-stop connections
• Philadelphia (PHL) - 17% of one-stop connections
• Charlotte Douglas (CLT) - 3% of one-stop connections
Can I save money by using flexible dates for flights from St. Louis to Allentown?
Yes. Flexible dates can save you up to 65% on flights from St. Louis to Allentown. Friday is the cheapest departure day at $302 round-trip on average, while Tuesday is the most expensive at $841, a difference of $539.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How much time can I save by choosing a different layover airport from St. Louis to Allentown?
Flying via Philadelphia (PHL) gives the shortest average 1-stop total travel time at 5h 29m, compared with 5h 36m via Atlanta Hartsfield-Jackson (ATL) and 5h 52m via Charlotte Douglas (CLT).
What is the time difference between St. Louis and Allentown?
Allentown is 1 hour ahead of St. Louis (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

If your dates are flexible, aim for a Friday departure and avoid flying on Tuesday. On this route, Friday flights average $302, about $539 less than Tuesday fares (64% savings) based on the last 12 months.
If you can choose when to travel, plan your St. Louis to Allentown trip for January. Fares historically average $302 round-trip in that month - typically $338 less than the most expensive month, which is April (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Allentown-Bethlehem Airport.

• Days Hotel by Wyndham Allentown Airport / Lehigh Valley
• Super 8 by Wyndham Allentown
• Staybridge Suites Allentown Bethlehem Airport By IHG

More options for your flight from St. Louis to Allentown

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Car rentals in Allentown

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Vacations in Allentown

STL - ABE

$305 Find Cheap Flights from St. Louis to Allentown - Compare and Save

Everything you should know

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

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

Recent one-way flight deals from St. Louis to Allentown

Recent last minute flight deals from St. Louis to Allentown

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

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

Which airline is the cheapest to fly from St. Louis to Allentown?

What’s the most popular layover airport when flying from St. Louis to Allentown?

What is the cheapest layover airport when flying from St. Louis to Allentown?

When flying from St. Louis to Allentown which airport offers the shortest layover?

Key details for St. Louis to Allentown flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Allentown

Your St. Louis to Allentown flight questions, answered

Your guide to booking St. Louis to Allentown flights

More options for your flight from St. Louis to Allentown

Complete your trip to Allentown with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Allentown

Find direct flights to and from St. Louis and Allentown

Flights from domestic origins to Allentown

Flights to other popular destinations

Find deals for your return flight