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Cheap flights from Illinois to Philadelphia from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Philadelphia departing on 10/18. 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

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Cheap round-trip flights

Spirit Airlines Logo
11:55 am - 10:22 pmORD-ACY
9h 27m1 stop
Spirit Airlines Logo
6:30 am - 1:19 pmACY-ORD
7h 49m1 stop
$215Spirit Airlines
Find Deal
jue., oct. 23 - lun., oct. 27
Spirit Airlines Logo
11:55 am - 11:02 pmORD-ACY
10h 07m1 stop
Spirit Airlines Logo
11:14 am - 9:33 pmACY-ORD
11h 19m1 stop
$216Spirit Airlines
Find Deal
sáb., oct. 18 - mar., oct. 21
Spirit Airlines Logo
6:00 am - 1:30 pmORD-ACY
6h 30m1 stop
Spirit Airlines Logo
6:30 am - 1:19 pmACY-ORD
7h 49m1 stop
$217Spirit Airlines
Find Deal
sáb., oct. 25 - lun., oct. 27
Spirit Airlines Logo
6:00 am - 1:30 pmORD-ACY
6h 30m1 stop
Spirit Airlines Logo
11:14 am - 9:33 pmACY-ORD
11h 19m1 stop
$219Spirit Airlines
Find Deal
sáb., oct. 18 - mié., oct. 22
Spirit Airlines Logo
11:55 am - 11:02 pmORD-ACY
10h 07m1 stop
Spirit Airlines Logo
6:51 pm - 1:03 amACY-ORD
7h 12m1 stop
$223Spirit Airlines
Find Deal
sáb., nov. 1 - dom., nov. 2
Spirit Airlines Logo
11:55 am - 10:22 pmORD-ACY
9h 27m1 stop
Spirit Airlines Logo
11:14 am - 5:53 pmACY-ORD
7h 39m1 stop
$226Spirit Airlines
Find Deal
vie., oct. 17 - mar., oct. 21
Spirit Airlines Logo
11:55 am - 10:22 pmORD-ACY
9h 27m1 stop
Spirit Airlines Logo
6:30 am - 1:19 pmACY-ORD
7h 49m1 stop
$233Spirit Airlines
Find Deal
vie., oct. 24 - lun., oct. 27
Spirit Airlines Logo
11:55 am - 11:02 pmORD-ACY
10h 07m1 stop
Spirit Airlines Logo
6:51 pm - 1:03 amACY-ORD
7h 12m1 stop
$234Spirit Airlines
Find Deal
sáb., oct. 25 - dom., oct. 26
Multiple Airlines Logo
10:49 am - 10:25 pmORD-ACY
10h 36m1 stop
Multiple Airlines Logo
5:26 pm - 10:41 amACY-ORD
18h 15m2 stops
$303Multiple Airlines
Find Deal
vie., nov. 14 - dom., nov. 16
Multiple Airlines Logo
6:00 am - 1:30 pmORD-ACY
6h 30m1 stop
Multiple Airlines Logo
7:33 pm - 1:15 pmACY-ORD
18h 42m1 stop
$313Multiple Airlines
Find Deal
sáb., oct. 18 - sáb., oct. 18

Spirit Airlines flights from Illinois to Atlantic City

Our best Spirit Airlines deals on Illinois to Atlantic City flight tickets
Spirit Airlines
Oct 23
ORD11:55 amChicago O'Hare Intl
9h 27m
1 stop
ACY10:22 pmAtlantic City
Oct 27
ACY6:30 amAtlantic City
7h 49m
1 stop
ORD1:19 pmChicago O'Hare Intl
$215
Find similar
Spirit Airlines
Oct 18
ORD11:55 amChicago O'Hare Intl
10h 07m
1 stop
ACY11:02 pmAtlantic City
Oct 21
ACY11:14 amAtlantic City
11h 19m
1 stop
ORD9:33 pmChicago O'Hare Intl
$216
Find similar
Spirit Airlines
Oct 25
ORD6:00 amChicago O'Hare Intl
6h 30m
1 stop
ACY1:30 pmAtlantic City
Oct 27
ACY6:30 amAtlantic City
7h 49m
1 stop
ORD1:19 pmChicago O'Hare Intl
$217
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to Atlantic City 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, momondo users made 832,500 searches. Data last updated septiembre 22, 2025.
Use the filters below to find and compare flights from Illinois to Atlantic City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

jue. 10/23

11:55 am-10:22 pm

1 stop9h 27m

Atlantic City

lun. 10/27

6:30 am-1:19 pm

1 stop7h 49m

$215

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

sáb. 10/18

11:55 am-11:02 pm

1 stop10h 07m

Atlantic City

mar. 10/21

11:14 am-9:33 pm

1 stop11h 19m

$216

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

sáb. 10/25

6:00 am-1:30 pm

1 stop6h 30m

Atlantic City

lun. 10/27

6:30 am-1:19 pm

1 stop7h 49m

$217

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

sáb. 10/18

6:00 am-1:30 pm

1 stop6h 30m

Atlantic City

mié. 10/22

11:14 am-9:33 pm

1 stop11h 19m

$219

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

sáb. 11/1

11:55 am-11:02 pm

1 stop10h 07m

Atlantic City

dom. 11/2

6:51 pm-1:03 am

1 stop7h 12m

$223

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

vie. 10/17

11:55 am-10:22 pm

1 stop9h 27m

Atlantic City

mar. 10/21

11:14 am-5:53 pm

1 stop7h 39m

$226

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

vie. 10/24

11:55 am-10:22 pm

1 stop9h 27m

Atlantic City

lun. 10/27

6:30 am-1:19 pm

1 stop7h 49m

$233

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

sáb. 10/25

11:55 am-11:02 pm

1 stop10h 07m

Atlantic City

dom. 10/26

6:51 pm-1:03 am

1 stop7h 12m

$234

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

vie. 11/14

10:49 am-10:25 pm

1 stop10h 36m

Atlantic City

dom. 11/16

5:26 pm-10:41 am

2 stops18h 15m

$303

ChicagoAtlantic City

ORD - ACY

ORDACY

Chicago O'Hare Intl

sáb. 10/18

6:00 am-1:30 pm

1 stop6h 30m

Atlantic City

sáb. 10/18

7:33 pm-1:15 pm

1 stop18h 42m

$313

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Illinois to Atlantic City

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 day to depart on your flight to Atlantic City?

On average, the least expensive day to fly to Atlantic City from Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $232. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Atlantic City on Sunday is $391.

What is the cheapest time of day to depart on your flight to Atlantic City?

Our data shows that the cheapest Illinois to Atlantic City flights are usually those with departure times in the evening. Our users have found flights to Atlantic City in the evening for as low as $251. Flights to Atlantic City are more costly at noon, with an average ticket price of $364. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Can stopping save me money on Illinois to Atlantic City flights?

You could potentially save up to 69% on your flight if you consider stops on a Illinois to Atlantic City flight.

Cheap Illinois to Atlantic City flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Atlantic City

Direct flights

None
There are no direct flights from Illinois to Atlantic City. There are no popular flight routes from Illinois to Atlantic City.
Search flight deals

  • When did momondo last update prices for flights from Illinois to Atlantic City Airport?

    Prices for flights from Illinois to Atlantic City Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Atlantic City Airport?

  • How old do you have to be to fly from Illinois to Atlantic City 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 Illinois to Atlantic City Airport.

  • What documentation or ID do you need to fly to Atlantic City Airport?

    The required travel and health documents for your Atlantic City 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 Atlantic City Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Atlantic City

Compare and see reviews for airlines that fly from Illinois to Atlantic City with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
Spirit AirlinesPriceFrom $202Free CancellationRating
6.3
8,031 reviews
Search Spirit Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Atlantic City?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to Atlantic City. momondo saves you time and could save you money on your trip.

Can I find flights from Illinois to Atlantic City with flexible booking policies on momondo?

momondo does allow users to show only those flights to Atlantic City from Illinois which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Illinois to Atlantic City?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Atlantic City from Illinois.

I’m not ready to book a flight from Illinois to Atlantic City right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Atlantic City from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Atlantic City trip

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