Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Allentown to St. Louis from $220

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Allentown to St. Louis departing on 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Allentown to St. Louis

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Allentown to St. Louis.
Delta Logo
1:07 pm - 6:02 pmABE-STL
5h 55m1 stop
Delta Logo
6:00 am - 12:27 pmSTL-ABE
5h 27m1 stop
$269Delta
Find Deal
Tue, Apr 22 - Sat, Apr 26
Delta Logo
1:07 pm - 6:02 pmABE-STL
5h 55m1 stop
Delta Logo
6:00 am - 12:27 pmSTL-ABE
5h 27m1 stop
$289Delta
Find Deal
Tue, Apr 15 - Sat, Apr 19
Delta Logo
5:21 pm - 11:36 pmABE-STL
7h 15m1 stop
Delta Logo
4:11 pm - 10:18 pmSTL-ABE
5h 07m1 stop
$299Delta
Find Deal
Fri, May 2 - Tue, May 6
American Airlines Logo
5:25 pm - 9:24 pmABE-STL
4h 59m1 stop
American Airlines Logo
6:47 pm - 12:40 amSTL-ABE
4h 53m1 stop
$319American Airlines
Find Deal
Wed, Apr 30 - Mon, May 5
Delta Logo
1:12 pm - 6:01 pmABE-STL
5h 49m1 stop
Delta Logo
5:00 pm - 10:44 pmSTL-ABE
4h 44m1 stop
$333Delta
Find Deal
Thu, Jun 5 - Sat, Jun 7
American Airlines Logo
5:27 pm - 9:26 pmABE-STL
4h 59m1 stop
American Airlines Logo
6:47 pm - 12:40 amSTL-ABE
4h 53m1 stop
$344American Airlines
Find Deal
Sat, May 17 - Sun, May 18
 Logo
6:15 am - 6:41 pmABE-STL
37h 26m3 stops
 Logo
10:10 am - 10:37 pmSTL-ABE
35h 27m2 stops
Mon, May 26 - Sat, May 31
 Logo
1:35 pm - 9:15 amABE-STL
20h 40m2 stops
 Logo
12:15 pm - 11:23 pmSTL-ABE
34h 08m3 stops
Fri, May 16 - Sun, May 18
United Airlines Logo
6:30 am - 10:09 pmABE-STL
16h 39m2 stops
United Airlines Logo
3:40 pm - 9:25 pmSTL-ABE
4h 45m1 stop
$582United Airlines
Find Deal
Wed, Apr 23 - Sat, Apr 26
United Airlines Logo
5:32 pm - 9:48 pmABE-STL
5h 16m1 stop
United Airlines Logo
9:39 am - 4:57 pmSTL-ABE
6h 18m1 stop
$608United Airlines
Find Deal
Tue, Apr 15 - Sat, Apr 19

Delta flights from Allentown to St. Louis

Our best Delta deals on Allentown to St. Louis flight tickets
Delta
Apr 22
ABE1:07 pmAllentown-Bethlehem
5h 55m
1 stop
STL6:02 pmLambert-St Louis
Apr 26
STL6:00 amLambert-St Louis
5h 27m
1 stop
ABE12:27 pmAllentown-Bethlehem
Delta
Apr 15
ABE1:07 pmAllentown-Bethlehem
5h 55m
1 stop
STL6:02 pmLambert-St Louis
Apr 19
STL6:00 amLambert-St Louis
5h 27m
1 stop
ABE12:27 pmAllentown-Bethlehem
Delta
May 2
ABE5:21 pmAllentown-Bethlehem
7h 15m
1 stop
STL11:36 pmLambert-St Louis
May 6
STL4:11 pmLambert-St Louis
5h 07m
1 stop
ABE10:18 pmAllentown-Bethlehem

American Airlines flights from Allentown to St. Louis

Our best American Airlines deals on Allentown to St. Louis flight tickets
American Airlines
Apr 30
ABE5:25 pmAllentown-Bethlehem
4h 59m
1 stop
STL9:24 pmLambert-St Louis
May 5
STL6:47 pmLambert-St Louis
4h 53m
1 stop
ABE12:40 amAllentown-Bethlehem
American Airlines
Apr 3
ABE5:16 pmAllentown-Bethlehem
7h 40m
1 stop
STL11:56 pmLambert-St Louis
Apr 8
STL9:18 amLambert-St Louis
6h 37m
1 stop
ABE4:55 pmAllentown-Bethlehem
American Airlines
May 17
ABE5:27 pmAllentown-Bethlehem
4h 59m
1 stop
STL9:26 pmLambert-St Louis
May 18
STL6:47 pmLambert-St Louis
4h 53m
1 stop
ABE12:40 amAllentown-Bethlehem

See travel insights to St. Louis from

How to get the cheapest flight ticket from Allentown to St. Louis

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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

In general, September is the cheapest month to fly from Allentown to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $233. The month of July is another great option to travel to St. Louis, with average flight prices from Allentown averaging around $265.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $263. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $491. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Allentown in the evening is the least expensive time of day to depart. momondo users have found prices as low as $254 when looking at flights departing in the evening. In the morning is when there is more demand to fly to St. Louis, so prices are often more expensive at around $318 per ticket.

How far in advance should I book a flight to St. Louis?

You are more likely to see cheaper flights to St. Louis from Allentown when booking 15 weeks ahead of your departure date. In general, you can expect to find flights to St. Louis for around $325 when searching 15 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to St. Louis from Allentown for as low as $195 on momondo.

When to book flights from Allentown to St. Louis

Are you open to changing your travel dates? Check out the ideal times to fly from Allentown to St. Louis according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Allentown to St. Louis (ABE to STL) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Allentown to St. Louis

Best Price Found

$220

Fastest flight time

4h 21m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Allentown in the past 72 hours is $220. The best round-trip flight deal from Allentown to St. Louis found on momondo in the last 72 hours is $269.
The fastest flight from Allentown to St. Louis takes 4h 21m
There are no direct flights from Allentown to St. Louis. Popular non-direct route for this connection is Allentown-Bethlehem Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)

  • How far is Allentown-Bethlehem to Lambert-St Louis by plane?

    There are 794.2 mi between Allentown-Bethlehem and Lambert-St Louis. In terms of flight time, this usually takes a little over 4h 21m.

  • When did momondo last update prices for flights from Allentown-Bethlehem Airport to Lambert-St Louis Airport?

    Prices for flights from Allentown-Bethlehem Airport to Lambert-St Louis Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Allentown-Bethlehem Airport to Lambert-St Louis Airport?

  • How old do you have to be to fly from Allentown-Bethlehem Airport to Lambert-St Louis Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Allentown-Bethlehem Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The necessary travel and health documents for your Lambert-St Louis Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Allentown to St. Louis?


Best airlines flying from Allentown to St. Louis

Compare and see reviews for airlines that fly from Allentown to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $217Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $236Free CancellationRating
7.4
8,615 reviews
Search United Airlines flights
DeltaPriceFrom $237Free CancellationRating
8.0
7,898 reviews
Search Delta flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Florissant
Fairview Heights
Maryland Heights
Hermann
Collinsville
Fenton
Farmington
O'Fallon
St. Peters
Wentzville
Alton
Glencoe
Eureka
Festus
Edwardsville
Clayton
Grafton
Litchfield

Why use momondo?

Why should I use momondo to find a flight deal from Allentown to St. Louis?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Allentown to St. Louis. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Allentown to St. Louis with flexible booking policies on momondo?

Yes. All flights to St. Louis from Allentown on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Allentown to St. Louis?

Once you have performed a search for Allentown to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Allentown to St. Louis right now. Can momondo alert me if prices change?

Price alerts on flights to St. Louis from Allentown are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.


An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
From?
To?
Sun 4/6
Sun 4/13

Find better results for your trip to the United States