$108 Cheap Flights from St. Louis (STL) to Atlantic City (ACY)

View $108 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Atlantic City Intl. Airport (ACY)

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Cheap Flights from St. Louis to Atlantic City (STL-ACY)

Prices were available within the past 7 days and start at $108 for one-way flights and $205 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Oct 23 - Sat, Nov 1
STL
St. Louis
ACY
Atlantic City
$205 Roundtrip, found 3 days ago
$205
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Thu, Oct 23 from St. Louis to Atlantic City, returning Sat, Nov 1, priced at $205 found 3 days ago
Spirit Airlines
Wed, Aug 6 - Tue, Aug 12
STL
St. Louis
ACY
Atlantic City
$277 Roundtrip, found 6 days ago
$277
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Wed, Aug 6 from St. Louis to Atlantic City, returning Tue, Aug 12, priced at $277 found 6 days ago
Spirit Airlines
Thu, Sep 11 - Sun, Sep 14
STL
St. Louis
ACY
Atlantic City
$319 Roundtrip, found 1 day ago
$319
Roundtrip
found 1 day ago
Select Spirit Airlines flight, departing Thu, Sep 11 from St. Louis to Atlantic City, returning Sun, Sep 14, priced at $319 found 1 day ago
Spirit Airlines
Wed, Aug 6 - Sun, Aug 10
STL
St. Louis
ACY
Atlantic City
$358 Roundtrip, found 3 days ago
$358
Roundtrip
found 3 days ago
Select Spirit Airlines flight, departing Wed, Aug 6 from St. Louis to Atlantic City, returning Sun, Aug 10, priced at $358 found 3 days ago
Spirit Airlines
Sat, Aug 9 - Sun, Aug 10
STL
St. Louis
ACY
Atlantic City
$367 Roundtrip, found 4 days ago
$367
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sat, Aug 9 from St. Louis to Atlantic City, returning Sun, Aug 10, priced at $367 found 4 days ago
Spirit Airlines
Sat, Aug 9 - Sun, Aug 10
STL
St. Louis
ACY
Atlantic City
$369 Roundtrip, found 4 days ago
$369
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Sat, Aug 9 from St. Louis to Atlantic City, returning Sun, Aug 10, priced at $369 found 4 days ago
American Airlines
Fri, Aug 29 - Sun, Aug 31
STL
St. Louis
ACY
Atlantic City
$387 Roundtrip, found 1 day ago
$387
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 29 from St. Louis to Atlantic City, returning Sun, Aug 31, priced at $387 found 1 day ago
American Airlines
Wed, Aug 27 - Sun, Aug 31
STL
St. Louis
ACY
Atlantic City
$395 Roundtrip, found 10 hours ago
$395
Roundtrip
found 10 hours ago
Select American Airlines flight, departing Wed, Aug 27 from St. Louis to Atlantic City, returning Sun, Aug 31, priced at $395 found 10 hours ago
American Airlines
Fri, Aug 29 - Sun, Aug 31
STL
St. Louis
ACY
Atlantic City
$397 Roundtrip, found 1 day ago
$397
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 29 from St. Louis to Atlantic City, returning Sun, Aug 31, priced at $397 found 1 day ago
American Airlines
Fri, Aug 29 - Sun, Aug 31
STL
St. Louis
ACY
Atlantic City
$397 Roundtrip, found 1 day ago
$397
Roundtrip
found 1 day ago
Select American Airlines flight, departing Fri, Aug 29 from St. Louis to Atlantic City, returning Sun, Aug 31, priced at $397 found 1 day ago

Find the cheapest month to fly from St. Louis (STL) to Atlantic City (ACY)

February is typically the cheapest month to fly

From $186 - $722 per traveler.

Graph displaying average flight prices per month

Alternative airports near Atlantic City

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Atlantic City Intl. ACY. Cheapest and Closest option available. Average driving time to city center is 19 minutes. Flights from $419
ACY
Atlantic City Intl.
CheapestClosest
Average driving time to city center19 min
Flights from $419
Flights from St. Louis (STL) to Atlantic City (ACY)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Atlantic City Intl.
Airlines serving
American Airlines, Spirit Airlines
Roundtrip price
$205
Distance
847 mi

St. Louis to Atlantic City Flights

The cheapest times to fly from St. Louis to Atlantic City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Louis to Atlantic City are during the month of October. You can find some of the cheapest flights from St. Louis to Atlantic City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Louis to Atlantic City

Sunday is one of the best days to book for cheap flights from St. Louis to Atlantic City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Louis to Atlantic City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Louis to Atlantic City in 2025. You can also book with separate airlines for your outbound and return journeys, from $108 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Louis to Atlantic City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Louis to Atlantic City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY) cost?
Discover the latest flight deals from STL to ACY by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from STL to ACY?
The cheapest flights from STL to ACY are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from STL to ACY?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from STL to ACY. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY)?
There aren't any daily direct flights available from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be on your way before you know it.
What day of the week has the most flights from STL to ACY?
Typically you'll find the greatest selection of flight options on a Friday. Tuesdays tend to be the quietest.* But this can change based on the season, carrier and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY)?
Opt for a flight from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY) that takes off before 3 PM to reduce the likelihood of delays. Departures after this hour have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Atlantic City from Lambert-St. Louis Intl. Airport (STL)?
Philadelphia Intl. Airport (PHL) is the only airport in Atlantic City with direct flights from Lambert-St. Louis Intl. Airport (STL). Check out your options and discover affordable fares on Expedia.
Is it cheaper to buy a plane ticket from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY) last-minute?
Last-minute fares from STL to ACY are usually more expensive. To lock in the lowest prices, start searching for flights well in advance. That said, if you're flexible with your travel plans, it's possible to land a cheap fare right before your trip.
Is it cheaper to book a STL to ACY flight and hotel package?
Compared with arranging hotels and flights separately, booking a STL to ACY flight and hotel package with Expedia could lead to significant savings. Better still, having it all in one place will take the hassle out of planning your trip. Simply secure your flights and choose from our wide range of stays, then customize your trip with extras like activities, tours and car rentals.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Atlantic City Intl. Airport (ACY)?
If you booked your STL to ACY flight in the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal if you want more information.

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*Available to One Key members.