Cheap flights from St. Louis to Allentown (STL - ABE) from $284

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight to Allentown departing on 4/6. 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
Mar 3 — Mar 101

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 February 27, 2024.

Popular in

July

Cheapest in

October

Round-trip from

$284

One-way from

$284
High demand for flights, 28% potential price rise
Best time to find cheap flights, 16% potential price drop
From Lambert-St Louis to Allentown-Bethlehem
One-way flight from Lambert-St Louis to Allentown-Bethlehem

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 3,397,584 searches. Data last updated February 27, 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
Tue 4/236:04 amSTL - ABE
1 stop4h 39mDelta
Sat 4/272:00 pmABE - STL
1 stop5h 20mDelta
Deal found 2/26$294
Sat 6/225:05 pmSTL - ABE
1 stop5h 21mDelta
Sat 7/66:00 pmABE - STL
1 stop6h 39mDelta
Deal found 2/26$338
Sat 6/225:05 pmSTL - ABE
1 stop5h 21mDelta
Sun 6/306:30 amABE - STL
1 stop7h 28mDelta
Deal found 2/26$363
Sat 5/114:58 pmSTL - ABE
1 stop5h 14mDelta
Tue 5/145:35 pmABE - STL
1 stop6h 06mDelta
Deal found 2/25$364

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 3,397,584 searches. Data last updated February 27, 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.
Sun 3/2411:33 amSTL - ABE
1 stop4h 17mUnited Airlines
Tue 3/266:22 amABE - STL
1 stop5h 15mUnited Airlines
Deal found 2/26$489
Fri 5/35:25 pmSTL - ABE
1 stop27h 03mUnited Airlines
Sun 5/56:35 amABE - STL
1 stop4h 42mUnited Airlines
Deal found 2/27$510
Sat 3/1610:20 amSTL - ABE
1 stop5h 30mUnited Airlines
Mon 3/185:25 pmABE - STL
1 stop18h 12mUnited Airlines
Deal found 2/27$546
Sun 3/1711:33 amSTL - ABE
1 stop4h 17mUnited Airlines
Fri 3/225:25 pmABE - STL
1 stop22h 59mUnited Airlines
Deal found 2/27$792
Thu 5/1610:10 amSTL - ABE
1 stop5h 47mUnited Airlines
Mon 5/206:35 amABE - STL
1 stop4h 39mUnited Airlines
Deal found 2/26$928

Cheap St. Louis to Allentown flights in February & March 2024

Find cheap flight options from St. Louis to Allentown specifically for the months of February and March 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,397,584 searches. Prices were last updated on February 27, 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.
Sun 3/2411:33 amSTL - ABE
1 stop4h 17mUnited Airlines
Tue 3/266:22 amABE - STL
1 stop5h 15mUnited Airlines
Deal found 2/26$489
Tue 2/273:10 pmSTL - ABE
1 stop5h 01mUnited Airlines
Fri 3/15:25 pmABE - STL
1 stop24h 39mUnited Airlines
Deal found 2/26$677
Tue 2/277:30 amSTL - ABE
2 stops10h 22mAmerican Airlines
Fri 3/111:50 amABE - STL
1 stop4h 49mAmerican Airlines
Deal found 2/26$809
Tue 2/277:30 amSTL - ABE
2 stops10h 22mAmerican Airlines
Fri 3/111:50 amABE - STL
2 stops10h 49mAmerican Airlines
Deal found 2/26$1,045

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 3,397,584 searches. Data last updated February 27, 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 4/236:04 amSTL - ABE
1 stop4h 39mDelta
Sat 4/272:00 pmABE - STL
1 stop5h 20mDelta
Deal found 2/26$294
Thu 4/257:08 pmSTL - ABE
1 stop16h 16mMultiple Airlines
Mon 4/292:53 pmABE - STL
1 stop23h 51mMultiple Airlines
Deal found 2/26$335
Sat 6/225:05 pmSTL - ABE
1 stop5h 21mDelta
Sat 7/66:00 pmABE - STL
1 stop6h 39mDelta
Deal found 2/26$338
Sat 6/225:05 pmSTL - ABE
1 stop5h 21mDelta
Sun 6/306:30 amABE - STL
1 stop7h 28mDelta
Deal found 2/26$363
Sat 5/114:58 pmSTL - ABE
1 stop5h 14mDelta
Tue 5/145:35 pmABE - STL
1 stop6h 06mDelta
Deal found 2/25$364
Sun 3/2411:33 amSTL - ABE
1 stop4h 17mUnited Airlines
Tue 3/266:22 amABE - STL
1 stop5h 15mUnited Airlines
Deal found 2/26$489
Fri 5/35:25 pmSTL - ABE
1 stop27h 03mUnited Airlines
Sun 5/56:35 amABE - STL
1 stop4h 42mUnited Airlines
Deal found 2/27$510
Tue 2/273:10 pmSTL - ABE
1 stop5h 01mUnited Airlines
Fri 3/15:25 pmABE - STL
1 stop24h 39mUnited Airlines
Deal found 2/26$677
Sat 6/225:29 amSTL - ABE
1 stop5h 08mAmerican Airlines
Sat 7/68:15 amABE - STL
2 stops7h 11mAmerican Airlines
Deal found 2/26$694

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 3,397,584 searches. Data last updated February 27, 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.
Sat 4/64:42 pmSTL - ABE
1 stop6h 29mAmerican Airlines
Deal found 2/27$284
Fri 3/85:15 pmSTL - ABE
2 stops39h 21mMultiple Airlines
Deal found 2/26$376
Fri 3/84:26 pmSTL - ABE
1 stop6h 46mAmerican Airlines
Deal found 2/26$378
Fri 3/87:30 amSTL - ABE
3 stops36h 14mMultiple Airlines
Deal found 2/26$494
Sat 4/610:09 amSTL - ABE
2 stops7h 53mAmerican Airlines
Deal found 2/27$498

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 3,397,584 searches. Data last updated February 27, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$294 - $661

Route

Depart

Return

Price

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Tue 4/23

1 stop4h 39m

Allentown-Bethlehem

Sat 4/27

1 stop5h 20m

$294

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Thu 4/25

1 stop16h 16m

Allentown-Bethlehem

Mon 4/29

1 stop23h 51m

$335

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 6/22

1 stop5h 21m

Allentown-Bethlehem

Sat 7/6

1 stop6h 39m

$338

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 6/22

1 stop5h 21m

Allentown-Bethlehem

Sun 6/30

1 stop7h 28m

$363

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 5/11

1 stop5h 14m

Allentown-Bethlehem

Tue 5/14

1 stop6h 06m

$364

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sun 3/24

1 stop4h 17m

Allentown-Bethlehem

Tue 3/26

1 stop5h 15m

$489

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Fri 5/3

1 stop27h 03m

Allentown-Bethlehem

Sun 5/5

1 stop4h 42m

$510

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 3/16

1 stop5h 30m

Allentown-Bethlehem

Mon 3/18

1 stop18h 12m

$546

Lambert-St LouisAllentown-Bethlehem

STL - ABE

STLABE

Lambert-St Louis

Sat 3/16

1 stop5h 03m

Allentown-Bethlehem

Mon 3/18

1 stop4h 42m

$661

Flights are sorted by cheapest first

Deals found on 2/26

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 February 25, 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 mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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 $406 while a round-trip flight costs $433. Price data was last updated on February 25, 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 $393). 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

$374

April

$354

May

$375

June

$393

July

$321

August

$334

September

$303

October

$338

November

$319

December

$301

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 February 27, 2024.
To help decide which airline to fly from St. Louis to Allentown, see what other customers have to say about Delta, United Airlines and American Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
11,830 reviews

Entertainment

8.1

Overall

8.1

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

8.1
Very good
11,830 reviews
8.1
Very good
11,830 reviews

Entertainment

8.1

Overall

8.1

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.4
Good
11,817 reviews
8.1
Very good
11,830 reviews

Entertainment

8.1

Overall

8.1

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

7.3
Good
15,581 reviews
8.1
Very good
11,830 reviews

Entertainment

8.1

Overall

8.1

Food

7.5

Comfort

7.9

Crew

8.6

Boarding

8.2

Reviews

1 / 10

It was a good experience other than a short delay.

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 $294, but on average you can expect to pay $631.

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

Currently priced at $294, 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 $489 and $661, respectively. Users have found that Delta is 23% 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!

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 3,397,584 searches. Data last updated February 27, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$227Average$384FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$265Average$380FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

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.

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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