$92 Cheap Flights from Atlantic City (ACY) to St. Louis (STL)

View $92 flight on Sat, Jan 10, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $92 for one-way flights and $201 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Spirit Airlines
Thu, Dec 4 - Thu, Dec 11
ACY
Atlantic City
STL
St. Louis
$201 Roundtrip, found 6 days ago
$201
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Thu, Dec 11, priced at $201 found 6 days ago
Spirit Airlines
Thu, Dec 4 - Thu, Dec 11
ACY
Atlantic City
STL
St. Louis
$213 Roundtrip, just found
$213
Roundtrip
just found
Select Spirit Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Thu, Dec 11, priced at $213 just found
Spirit Airlines
Thu, Dec 4 - Thu, Dec 11
ACY
Atlantic City
STL
St. Louis
$229 Roundtrip, found 4 days ago
$229
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Thu, Dec 11, priced at $229 found 4 days ago
American Airlines
Wed, Jan 28 - Sun, Feb 1
ACY
Atlantic City
STL
St. Louis
$267 Roundtrip, found 6 days ago
$267
Roundtrip
found 6 days ago
Select American Airlines flight, departing Wed, Jan 28 from Atlantic City to St. Louis, returning Sun, Feb 1, priced at $267 found 6 days ago
American Airlines
Thu, Dec 4 - Thu, Dec 11
ACY
Atlantic City
STL
St. Louis
$269 Roundtrip, found 6 days ago
$269
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Thu, Dec 11, priced at $269 found 6 days ago
Spirit Airlines
Thu, Dec 4 - Sun, Dec 7
ACY
Atlantic City
STL
St. Louis
$274 Roundtrip, found 6 days ago
$274
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Sun, Dec 7, priced at $274 found 6 days ago
Spirit Airlines
Thu, Dec 11 - Sun, Dec 14
ACY
Atlantic City
STL
St. Louis
$281 Roundtrip, found 13 hours ago
$281
Roundtrip
found 13 hours ago
Select Spirit Airlines flight, departing Thu, Dec 11 from Atlantic City to St. Louis, returning Sun, Dec 14, priced at $281 found 13 hours ago
Spirit Airlines
Thu, Dec 4 - Thu, Dec 11
ACY
Atlantic City
STL
St. Louis
$283 Roundtrip, found 6 days ago
$283
Roundtrip
found 6 days ago
Select Spirit Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Thu, Dec 11, priced at $283 found 6 days ago
American Airlines
Thu, Dec 4 - Thu, Dec 11
ACY
Atlantic City
STL
St. Louis
$304 Roundtrip, found 6 days ago
$304
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Thu, Dec 11, priced at $304 found 6 days ago
Spirit Airlines
Thu, Dec 4 - Sun, Dec 7
ACY
Atlantic City
STL
St. Louis
$315 Roundtrip, found 4 days ago
$315
Roundtrip
found 4 days ago
Select Spirit Airlines flight, departing Thu, Dec 4 from Atlantic City to St. Louis, returning Sun, Dec 7, priced at $315 found 4 days ago

Alternative airports near St. Louis

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

Select flight to Lambert-St. Louis Intl. STL. Cheapest option available. Average driving time to city center is 20 minutes. Flights from $505
STL
Lambert-St. Louis Intl.
Cheapest
Average driving time to city center20 min
Flights from $505

Frequently asked questions

How much does a flight from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL) cost?
Lock in a cheap one-way flight from $92 or cheap return flight from $201 from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL)?
Flying in December is a great way to save, as it's the cheapest month for flights between ACY and STL. You'll typically find the lowest fares during the off-season.
Which airlines fly direct from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL)?
You can't catch a direct flight to Lambert-St. Louis Intl. Airport (STL) from Atlantic City, NJ (ACY-Atlantic City Intl.). However, you can easily reach St. Louis without any layovers by departing from Philadelphia Intl. Airport (PHL).
What is the cheapest airline that flies from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest ACY to STL flight.
How many flights per day from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL)?
There aren't any daily nonstop flights departing from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL). But you can choose flights with layovers. Filter your search on Expedia to include one or more stops, and you'll be on your way in no time at all.
What day of the week has the most flights from ACY to STL?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays are often the quietest.* But this can vary depending 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 Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL)?
Opt for a flight from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the likelihood of delays and cancellations. 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.
Is it cheaper to buy a plane ticket from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute fares from ACY to STL are generally more expensive. To secure the lowest prices, start looking for flights well in advance. That said, if your travel plans are flexible, you may land a cheap ticket just before your departure.
Is it cheaper to book an ACY to STL flight and hotel package?
Compared with arranging flights and hotels separately, booking an ACY to STL flight and hotel package with Expedia could lead to significant savings. Better still, managing everything in one place will take the hassle out of planning your trip. Just secure your flights and choose from our wide range of hotels, then personalize your trip with other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Atlantic City Intl. Airport (ACY) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you're able to cancel or reschedule your ACY to STL flight. However, there may be additional fees, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and policies on flight changes, or if you need more details, head to our Customer Service portal.

Travel information

Origin airport
Atlantic City Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
American Airlines, Spirit Airlines
Roundtrip price
$201
Distance
847 mi

Book with confidence

Atlantic City to St. Louis Flights

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

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 Atlantic City to St. Louis are during the month of December. You can find some of the cheapest flights from Atlantic City to St. Louis with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Atlantic City to St. Louis: 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 Atlantic City to St. Louis

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 Atlantic City to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $92 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 Atlantic City to St. Louis 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 Atlantic City to St. Louis 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.

 

Atlantic City to St. Louis Flights

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Atlantic City nearby Airports

Philadelphia

Philadelphia Intl. to St. Louis
$109.96

Trenton

Mercer to St. Louis
$114.36
*Available to One Key members.