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) - 44% of one-stop connections • Philadelphia (PHL) - 33% of one-stop connections • Charlotte Douglas (CLT) - 12% of one-stop connections • Chicago O'Hare Intl (ORD) - 12% 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 St. Louis to Allentown?

Yes. Being flexible with your travel dates can save you up to 65% on the St. Louis to Allentown route. 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 0h 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 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 $319, which is 32% 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 20m, compared with 5h 22m via Charlotte Douglas (CLT) and 5h 38m via Atlanta Hartsfield-Jackson (ATL).

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 starting from around $25 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 $430 over the past 12 months. Anything below $317 counts as a good deal.

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

American Airlines ($277) and Delta ($337) are the cheapest airlines to fly round-trip from St. Louis to Allentown according to KAYAK data over the last 5 days.

What is 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. 44% 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 $327. 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 203 minutes over the past 3 months.

$194 CHEAP FLIGHTS from St. Louis to Allentown (STL - ABE)

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Cheapest round-trip

$277

Typical prices: $317-$611

American Airlines

Sun 10/7Sat 10/13

STL - ABE • 1 stop

Cheapest one-way

$194

Typical prices: $148-$295

American Airlines

Sat 10/6

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 • 30% price drop

July

Most popular

Good to know

Top layover airports

Philadelphia (PHL)

Cheapest • Avg $327 (round-trip)

Charlotte Douglas (CLT)

Shortest trip • 5h 22m (one-way)

Insights

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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

Wed, Oct 7 - Tue, Oct 13

11:31 am - 6:14 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 43m1 stop Chicago O'Hare Intl

6:00 am - 10:50 amABE Allentown-Bethlehem-STL Lambert-St Louis

5h 50m1 stop Chicago O'Hare Intl

$277American Airlines

Wed, Oct 7 - Tue, Oct 13

11:31 am - 6:14 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 43m1 stop Chicago O'Hare Intl

6:00 am - 10:50 amABE Allentown-Bethlehem-STL Lambert-St Louis

5h 50m1 stop Chicago O'Hare Intl

$277American Airlines

Sat, Oct 3 - Mon, Oct 5

1:49 pm - 10:18 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

7h 29m1 stop Chicago O'Hare Intl

6:44 pm - 12:19 amABE Allentown-Bethlehem-STL Lambert-St Louis

6h 35m1 stop Chicago O'Hare Intl

$277American Airlines

Wed, Oct 7 - Tue, Oct 13

6:00 am - 12:05 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 05m1 stop Atlanta Hartsfield-Jackson

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

6h 51m1 stop Atlanta Hartsfield-Jackson

$337Delta

Wed, Oct 7 - Tue, Oct 13

6:00 am - 12:05 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

5h 05m1 stop Atlanta Hartsfield-Jackson

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

6h 51m1 stop Atlanta Hartsfield-Jackson

$337Delta

Tue, Nov 3 - Sat, Nov 7

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

6h 54m1 stop Chicago O'Hare Intl

5:36 pm - 9:40 pmABE Allentown-Bethlehem-STL Lambert-St Louis

5h 04m1 stop Chicago O'Hare Intl

$357United Airlines

Mon, Nov 23 - Thu, Nov 26

10:00 am - 5:15 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

6h 15m1 stop Atlanta Hartsfield-Jackson

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

7h 53m1 stop Atlanta Hartsfield-Jackson

$357Delta

Thu, Nov 5 - Mon, Nov 9

4:26 pm - 10:39 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

29h 13m1 stop Orlando

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

7h 40m1 stop Orlando

$378Multiple Airlines

Tue, Nov 3 - Sat, Nov 7

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

6h 54m1 stop Chicago O'Hare Intl

6:15 am - 10:37 amABE Allentown-Bethlehem-STL Lambert-St Louis

5h 22m1 stop Chicago O'Hare Intl

$419United Airlines

Tue, Nov 24 - Fri, Nov 27

5:29 pm - 10:56 pmSTL Lambert-St Louis-ABE Allentown-Bethlehem

4h 27m1 stop Chicago O'Hare Intl

6:54 am - 12:44 pmABE Allentown-Bethlehem-STL Lambert-St Louis

6h 50m1 stop Chicago O'Hare Intl

$584American 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 from St. Louis to Allentown with more confidence.

Prices

Airlines

Layovers

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

Round-trip flights from St. Louis to Allentown start at $277. Prices are below average for this route right now, with typical round-trip fares ranging from $317 to $611. The lowest price found in the past 5 days was $277 on American Airlines.

Find deals

Low season	October
High season	July
Cheapest flight	$194

Most popular time to fly and prices are also 21% lower on average.

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.

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) - 44% of one-stop connections
• Philadelphia (PHL) - 33% of one-stop connections
• Charlotte Douglas (CLT) - 12% of one-stop connections
• Chicago O'Hare Intl (ORD) - 12% 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 St. Louis to Allentown?
Yes. Being flexible with your travel dates can save you up to 65% on the St. Louis to Allentown route. 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 0h 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 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 $319, which is 32% 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 20m, compared with 5h 22m via Charlotte Douglas (CLT) and 5h 38m via Atlanta Hartsfield-Jackson (ATL).
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 starting from around $25 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 $430 over the past 12 months. Anything below $317 counts as a good deal.

If your dates can be flexible, aim for a Friday departure instead of Tuesday. On this route, Friday flights average $302 - about $539 less than Tuesday (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
- Hilton Garden Inn Allentown Bethlehem Airport

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STL - ABE

$194 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?

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

What is 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

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