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Cheap flights from St. Louis to Allentown (STL - ABE) from $216

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/14. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
STL — ABE
May 3 — May 101
From?
To?
Fri 5/3
Fri 5/10
1 adult, Economy
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Cheap flight deals from St. Louis to Allentown

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Allentown (ABE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2024.

Popular in

July

Cheapest in

October

Round-trip from

$284

One-way from

$232
High demand for flights, 28% potential price rise
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Best time to find cheap flights, 16% potential price drop
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From Lambert-St Louis to Allentown-Bethlehem
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One-way flight from Lambert-St Louis to Allentown-Bethlehem
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What is the cheapest day to fly round-trip from St. Louis to Allentown?

Sunday flights are generally found to be more expensive for flights from St. Louis to Allentown. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Allentown.

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

The best pricing can be found in the month of October. Prices to Allentown from St. Louis average $387. You can even find prices in October for less than $387, as users have found deals to Allentown from as low as $160. The month of July appears to be one of the more expensive times to travel to Allentown from St. Louis. Flying in the targeted month can save you up to 38%.

When is the cheapest time to fly from St. Louis to Allentown (STL - ABE)?

Unlike at noon, when flights are generally more expensive, you can save up to 19% on flights from St. Louis to Allentown by exploring options for tickets in the afternoon.

Cheap Delta flights from St. Louis to Allentown

Explore cheap flight options specifically provided by Delta for the route between St. Louis and Allentown. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Consider these cheap Delta flights we've found departing from St. Louis to Allentown. Deals update often to give you more flight options matching your criteria
Sat 9/145:05 pmSTL - ABE
1 stop5h 21mDelta
Tue 9/175:40 pmABE - STL
1 stop6h 55mDelta
Deal found 4/27$216
Tue 5/213:27 pmSTL - ABE
1 stop6h 50mDelta
Tue 5/285:31 pmABE - STL
1 stop7h 09mDelta
Deal found 4/27$297
Sun 6/96:00 amSTL - ABE
1 stop4h 47mDelta
Sat 6/2212:27 pmABE - STL
1 stop4h 53mDelta
Deal found 4/27$313
Sat 9/1410:25 amSTL - ABE
2 stops12h 01mDelta
Tue 9/175:40 pmABE - STL
1 stop6h 55mDelta
Deal found 4/27$415
Sun 6/96:00 amSTL - ABE
1 stop4h 47mDelta
Sat 6/2212:27 pmABE - STL
1 stop4h 53mDelta
Deal found 4/27$503

Cheap United Airlines flights from St. Louis to Allentown

Explore cheap flight options specifically provided by United Airlines for the route between St. Louis and Allentown. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Some of the best deals we've found on United Airlines flights traveling from St. Louis to Allentown. Deals frequently update to provide users with more options.
Tue 5/215:25 pmSTL - ABE
1 stop22h 30mUnited Airlines
Tue 5/285:34 pmABE - STL
2 stops17h 19mUnited Airlines
Deal found 4/27$653
Fri 7/510:19 amSTL - ABE
1 stop10h 19mUnited Airlines
Mon 7/86:40 amABE - STL
1 stop8h 38mUnited Airlines
Deal found 4/27$902

Cheap St. Louis to Allentown flights in April & May 2024

Find cheap flight options from St. Louis to Allentown specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 28, 2024.
These are some of the best deals we've found on flights to Allentown in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Tue 5/213:27 pmSTL - ABE
1 stop6h 50mDelta
Tue 5/285:31 pmABE - STL
1 stop7h 09mDelta
Deal found 4/27$297
Tue 5/215:25 pmSTL - ABE
1 stop22h 30mUnited Airlines
Tue 5/285:34 pmABE - STL
2 stops17h 19mUnited Airlines
Deal found 4/27$653

St. Louis to Allentown 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Allentown in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
These are some of the best deals we've found on flights to Allentown in 2024 at this time. If these deals don't appeal to you, be sure to come back soon for more options.
Sat 9/145:05 pmSTL - ABE
1 stop5h 21mDelta
Tue 9/175:40 pmABE - STL
1 stop6h 55mDelta
Deal found 4/27$216
Tue 5/213:27 pmSTL - ABE
1 stop6h 50mDelta
Tue 5/285:31 pmABE - STL
1 stop7h 09mDelta
Deal found 4/27$297
Sun 6/96:00 amSTL - ABE
1 stop4h 47mDelta
Sat 6/2212:27 pmABE - STL
1 stop4h 53mDelta
Deal found 4/27$313
Sat 9/1410:25 amSTL - ABE
2 stops12h 01mDelta
Tue 9/175:40 pmABE - STL
1 stop6h 55mDelta
Deal found 4/27$415
Sun 6/96:00 amSTL - ABE
1 stop4h 47mDelta
Sat 6/2212:27 pmABE - STL
1 stop4h 53mDelta
Deal found 4/27$503
Tue 5/215:25 pmSTL - ABE
1 stop22h 30mUnited Airlines
Tue 5/285:34 pmABE - STL
2 stops17h 19mUnited Airlines
Deal found 4/27$653
Fri 7/51:46 pmSTL - ABE
2 stops7h 42mAmerican Airlines
Mon 7/87:42 pmABE - STL
1 stop5h 12mAmerican Airlines
Deal found 4/27$769
Fri 7/510:19 amSTL - ABE
1 stop10h 19mUnited Airlines
Mon 7/86:40 amABE - STL
1 stop8h 38mUnited Airlines
Deal found 4/27$902

One-way flights to Allentown from St. Louis

Search for one-way flight options from St. Louis to Allentown. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
Some of the best available deals we've found on one-way flights from St. Louis to Allentown. Those needing a return flight from St. Louis to Allentown can use the search form above.
Mon 6/103:27 pmSTL - ABE
1 stop5h 52mAmerican Airlines
Deal found 4/27$232
Mon 6/109:47 amSTL - ABE
2 stops8h 34mAmerican Airlines
Deal found 4/27$496

Find flights from St. Louis to Allentown within your budget

Customize your flight search to find flights from St. Louis to Allentown that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$216 - $902

Route

Depart

Return

Price

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 9/14

1 stop5h 21m

Allentown-Bethlehem

Tue 9/17

1 stop6h 55m

$216

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Tue 5/21

1 stop6h 50m

Allentown-Bethlehem

Tue 5/28

1 stop7h 09m

$297

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sun 6/9

1 stop4h 47m

Allentown-Bethlehem

Sat 6/22

1 stop4h 53m

$313

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 9/14

2 stops12h 01m

Allentown-Bethlehem

Tue 9/17

1 stop6h 55m

$415

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sun 6/9

1 stop4h 47m

Allentown-Bethlehem

Sat 6/22

1 stop4h 53m

$503

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Tue 5/21

1 stop22h 30m

Allentown-Bethlehem

Tue 5/28

2 stops17h 19m

$653

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Fri 7/5

2 stops7h 42m

Allentown-Bethlehem

Mon 7/8

1 stop5h 12m

$769

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Fri 7/5

1 stop10h 19m

Allentown-Bethlehem

Mon 7/8

1 stop8h 38m

$902

Flights are sorted by cheapest first

Deals found on 4/27

When is the cheapest time to fly from St. Louis to Allentown?

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Allentown. Price data was last updated on April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Allentown flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
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Average price of flights to Allentown by month

Plan your trip from St. Louis to Allentown by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Allentown is currently $364 while a round-trip flight costs $509. Price data was last updated on April 21, 2024.

Currently, January is the cheapest month in which you can book a flight from St. Louis to Allentown (average of $284). Flying from St. Louis to Allentown in June is currently the most expensive (average of $364). 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.

January

$284

February

$297

March

$332

April

$348

May

$343

June

$364

July

$339

August

$325

September

$301

October

$337

November

$323

December

$303

Temperature and rainfall in Allentown by month

Plan your trip to Allentown by taking into account the average temperature and rainfall totals by month.

ABE

Temperature

28.4 - 73.4 °F

Reviews of airlines servicing Allentown

Get insights into the airlines that provide service to Allentown. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Allentown. Reviews last updated April 28, 2024.
To help decide which airline to fly from St. Louis to Allentown, see what other customers have to say about Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Delta
8.1
Very good
10,932 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

United Airlines
7.4
Good
11,221 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

American Airlines
7.3
Good
14,844 reviews
Delta
8.1
Very good
10,932 reviews
Check prices

Boarding

8.2

Comfort

7.9

Overall

8.1

Entertainment

8.0

Crew

8.6

Food

7.4

Reviews

1 / 10

Terrible flight crew that skipped our row for service multiple times.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Allentown. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from St. Louis to Allentown for under $300 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Allentown for under $300. The cheapest flight booked recently is on Delta for just $216, but on average you can expect to pay $508.

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

    Currently priced at $216, Delta will fly you from St. Louis to Allentown and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $653 and $769, respectively. Users have found that Delta is 44% cheaper than the other options available to this destination.

  • What does STL to ABE mean?

    Great question - STL to ABE just means Lambert-St Louis Airport to Allentown-Bethlehem Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from St. Louis to Allentown that include extra baggage allowance?

    The amount of baggage you can bring on your St. Louis to Allentown flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from St. Louis to Allentown with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Allentown flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

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

  • Can I find deals for flights from St. Louis to Allentown that allow pets onboard?

    Many airlines flying from St. Louis to Allentown offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from St. Louis to Allentown?

    Yes, you can often find last-minute deals on St. Louis to Allentown flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the St. Louis to Allentown flight deals updated?

    The St. Louis to Allentown flight deals you see on this page were last updated on 4/27.

See more FAQs

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Other flights to Allentown
Explore flights to Allentown departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 28, 2024.

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Top 2 airlines flying from St. Louis to Allentown

Discover the top 2 airlines that operate flights from St. Louis to Allentown. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,944,896 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$216Average$384FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$263Average$374FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from St. Louis to Allentown by cabin class

Find flights from St. Louis to Allentown, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from St. Louis to Allentown?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Allentown. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Allentown?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Allentown.

Can Cheapflights find flights from St. Louis to Allentown with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from St. Louis to Allentown, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from St. Louis to Allentown become cheaper?

Yes, Cheapflights offers price alerts on St. Louis to Allentown flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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