Cheap flights from St. Louis to Allentown from $161
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Allentown departing on 6/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines flights from St. Louis to Allentown
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American Airlines flights from St. Louis to Allentown
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How to get the cheapest flight ticket from St. Louis to Allentown
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 Allentown?
The month of August is, on average, the cheapest month to fly to Allentown from St. Louis, with most prices found around $29. If you aren’t able to travel to Allentown during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $259.
What is the cheapest day to depart on your flight to Allentown?
The cheapest day to depart from St. Louis to Allentown is on a Saturday when prices can be found for as low as $259. Be sure to avoid booking your departure on a Monday as prices are generally higher than usual. According to our data, the average ticket price to Allentown on Monday is $522.
What is the cheapest airline that flies from Lambert-St Louis to Allentown-Bethlehem?
Delta and American Airlines are the most popular carriers operating from Lambert-St Louis to Allentown-Bethlehem
What airlines fly to Allentown?
American Airlines, United Airlines and Southwest are the top three most popular airlines that fly to Allentown from St. Louis according to our data. American Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Allentown. Keep in mind that there are 6 different airlines that fly to Allentown on a routine basis, so you have a few additional options to choose from.
When to book flights from St. Louis to Allentown
Cheap St. Louis to Allentown (STL to ABE) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from St. Louis to Allentown
How far is Lambert-St Louis to Allentown-Bethlehem by plane?
The distance between Lambert-St Louis and Allentown-Bethlehem is about 794.2 mi. Typically, this will take 4h 53m by plane in normal conditions.
When did momondo last update prices for flights from Lambert-St Louis Airport to Allentown-Bethlehem Airport?
Prices for flights from Lambert-St Louis Airport to Allentown-Bethlehem Airport refresh daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Allentown-Bethlehem Airport?
There are 3 operators available for flights from Lambert-St Louis Airport to Allentown-Bethlehem Airport as of April 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Allentown-Bethlehem Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Allentown-Bethlehem Airport.
What documentation or ID do you need to fly to Allentown-Bethlehem Airport?
The required travel and health documents for your Allentown-Bethlehem Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Allentown-Bethlehem Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from St. Louis to Allentown?
Based on momondo bookings for this flight route, the most popular airline on flight routes from St. Louis to Allentown is American Airlines (64% of total bookings). The next most popular airlines are Delta (23%) and United Airlines (13%).
Best airlines flying from St. Louis to Allentown
Compare and see reviews for airlines that fly from St. Louis to Allentown with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $223 | Free Cancellation | Rating 7.4 8,685 reviews | |||
| PriceFrom $224 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $248 | Free Cancellation | Rating 8.0 7,920 reviews |
Traveling to a place near Allentown?
Book flights to Allentown if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from St. Louis to Allentown?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from St. Louis to Allentown. momondo saves you time and could save you money on your trip.
Can I find flights from St. Louis to Allentown with flexible booking policies on momondo?
Yes. All flights to Allentown from St. Louis on momondo can be compared and filtered by various policies on offer, including flexible booking.
How can momondo help me find flights from St. Louis to Allentown?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from St. Louis to Allentown.
I’m not ready to book a flight from St. Louis to Allentown right now. Can momondo alert me if prices change?
Price alerts on flights to Allentown from St. Louis 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.