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Cheap flights from the United States to Illinois from $82

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from the United States to Illinois

Recent round-trip flight deals from the United States to Illinois

Enter your travel dates to find the best prices.
Frontier Logo
6:46 pm - 4:25 pmATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
22h 39m1 stop Orlando
Frontier Logo
1:30 pm - 4:51 pmORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 21mnonstop
$129Frontier
Tue, Jan 5 - Thu, Jan 7
Frontier Logo
7:20 am - 1:56 pmATL  Atlanta Hartsfield-Jackson-ORD Chicago O'Hare Intl
7h 36m1 stop Fort Lauderdale
Frontier Logo
10:37 pm - 1:45 amORD  Chicago O'Hare Intl-ATL Atlanta Hartsfield-Jackson
2h 08mnonstop
$129Frontier
Thu, Dec 3 - Sun, Dec 6
American Airlines Logo
9:54 am - 12:29 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 35mnonstop
American Airlines Logo
4:59 pm - 9:10 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 11mnonstop
$145American Airlines
Wed, Dec 16 - Sun, Dec 20
Multiple Airlines Logo
9:15 pm - 11:38 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 23mnonstop
Multiple Airlines Logo
4:00 pm - 8:07 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 07mnonstop
$145Multiple Airlines
Sat, Nov 21 - Mon, Nov 23
American Airlines Logo
9:57 am - 12:30 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 33mnonstop
American Airlines Logo
6:10 pm - 10:20 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 10mnonstop
$146American Airlines
Wed, Nov 18 - Wed, Dec 9
JetBlue Logo
4:10 pm - 6:55 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 45mnonstop
JetBlue Logo
7:50 pm - 11:58 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 08mnonstop
$147JetBlue
Tue, Feb 2 - Wed, Feb 3
Multiple Airlines Logo
9:02 pm - 11:34 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 32mnonstop
Multiple Airlines Logo
2:59 pm - 7:10 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 11mnonstop
$148Multiple Airlines
Tue, Nov 24 - Tue, Dec 1
JetBlue Logo
9:15 pm - 11:47 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 32mnonstop
JetBlue Logo
7:50 pm - 11:58 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 08mnonstop
$150JetBlue
Sat, Jan 23 - Tue, Jan 26
United Airlines Logo
5:30 pm - 7:57 pmFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 27mnonstop
United Airlines Logo
8:55 am - 1:05 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 10mnonstop
$151United Airlines
Wed, Apr 21 - Sat, Apr 24
United Airlines Logo
7:00 am - 9:31 amFLL  Fort Lauderdale-ORD Chicago O'Hare Intl
3h 31mnonstop
United Airlines Logo
6:15 pm - 10:36 pmORD  Chicago O'Hare Intl-FLL Fort Lauderdale
3h 21mnonstop
$151United Airlines
Tue, Nov 24 - Tue, Dec 1

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Delta flights from United States to Illinois

Our best Delta deals on United States to Illinois flight tickets
Delta
Dec 9
BOS1:05 pmBoston Logan Intl
4h 12m
1 stop
ORD4:17 pmChicago O'Hare Intl
Dec 15
ORD10:38 amChicago O'Hare Intl
2h 37m
BOS2:15 pmBoston Logan Intl
$222
Delta
Dec 3
BOS8:59 pmBoston Logan Intl
2h 58m
ORD10:57 pmChicago O'Hare Intl
Dec 7
ORD7:05 amChicago O'Hare Intl
2h 31m
BOS10:36 amBoston Logan Intl
$247
Delta
Dec 26
LAX11:59 pmLos Angeles
7h 20m
1 stop
ORD9:19 amChicago O'Hare Intl
Jan 5
ORD7:15 amChicago O'Hare Intl
7h 00m
1 stop
LAX12:15 pmLos Angeles
$257

Frontier flights from United States to Illinois

Our best Frontier deals on United States to Illinois flight tickets
Frontier
Dec 3
ATL7:20 amAtlanta Hartsfield-Jackson
7h 36m
1 stop
ORD1:56 pmChicago O'Hare Intl
Dec 13
ORD8:15 amChicago O'Hare Intl
2h 21m
ATL11:36 amAtlanta Hartsfield-Jackson
$129
Frontier
Dec 7
ATL6:00 amAtlanta Hartsfield-Jackson
2h 20m
ORD7:20 amChicago O'Hare Intl
Jan 6
ORD9:40 amChicago O'Hare Intl
2h 14m
ATL12:54 pmAtlanta Hartsfield-Jackson
$130
Frontier
Dec 7
ATL6:00 amAtlanta Hartsfield-Jackson
2h 20m
ORD7:20 amChicago O'Hare Intl
Jan 5
ORD9:40 amChicago O'Hare Intl
2h 14m
ATL12:54 pmAtlanta Hartsfield-Jackson
$131

momondo Fare Finder

 
Use the filters below to find and compare flights from the United States to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Tue 1/5

6:46 pm-4:25 pm

1 stop22h 39m

Chicago O'Hare Intl

Thu 1/7

1:30 pm-4:51 pm

Nonstop2h 21m

$129

AtlantaChicago

ATL Atlanta Hartsfield-Jackson - ORD Chicago O'Hare Intl

ATLORD

Atlanta Hartsfield-Jackson

Thu 12/3

7:20 am-1:56 pm

1 stop7h 36m

Chicago O'Hare Intl

Sun 12/6

10:37 pm-1:45 am

Nonstop2h 08m

$129

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Wed 12/16

9:54 am-12:29 pm

Nonstop3h 35m

Chicago O'Hare Intl

Sun 12/20

4:59 pm-9:10 pm

Nonstop3h 11m

$145
Quickest round-trip

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Sat 11/21

9:15 pm-11:38 pm

Nonstop3h 23m

Chicago O'Hare Intl

Mon 11/23

4:00 pm-8:07 pm

Nonstop3h 07m

$145

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Wed 11/18

9:57 am-12:30 pm

Nonstop3h 33m

Chicago O'Hare Intl

Wed 12/9

6:10 pm-10:20 pm

Nonstop3h 10m

$146

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 2/2

4:10 pm-6:55 pm

Nonstop3h 45m

Chicago O'Hare Intl

Wed 2/3

7:50 pm-11:58 pm

Nonstop3h 08m

$147

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 11/24

9:02 pm-11:34 pm

Nonstop3h 32m

Chicago O'Hare Intl

Tue 12/1

2:59 pm-7:10 pm

Nonstop3h 11m

$148

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Sat 1/23

9:15 pm-11:47 pm

Nonstop3h 32m

Chicago O'Hare Intl

Tue 1/26

7:50 pm-11:58 pm

Nonstop3h 08m

$150

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Wed 4/21

5:30 pm-7:57 pm

Nonstop3h 27m

Chicago O'Hare Intl

Sat 4/24

8:55 am-1:05 pm

Nonstop3h 10m

$151

Fort LauderdaleChicago

FLL Fort Lauderdale - ORD Chicago O'Hare Intl

FLLORD

Fort Lauderdale

Tue 11/24

7:00 am-9:31 am

Nonstop3h 31m

Chicago O'Hare Intl

Tue 12/1

6:15 pm-10:36 pm

Nonstop3h 21m

$151

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from United States to Illinois

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 Illinois?

The cheapest month to fly to Illinois from United States is in January. Flight prices, which tend to average around $265, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $275.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from United States to Illinois is on a Wednesday when prices can be found for as low as $409. Flights from United States to Illinois on a Monday will generally be more expensive and average around $521. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from United States to Illinois during this time can be as low as $384. Flights at noon are often more expensive with an average ticket price of $555.

What is the cheapest United States to Illinois flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago Midway for the best United States - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from United States when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $256 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from United States for as low as $177 on momondo.

What cabin class options are available on United States to Illinois flights?

There are 4 cabin classes available to choose from on United States to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on United States to Illinois flights?

No. A direct flight is the cheapest option for a flight between United States to Illinois.

Cheap United States to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from United States to Illinois

Best Price Found

$82

Fastest flight time

0h 50m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from United States in the past 72 hours is $82. The best round-trip flight deal from United States to Illinois found on momondo in the last 72 hours is $129.
The fastest flight from United States to Illinois takes 0h 50m
Direct flights go from United States to Illinois every day.
There are 98 airports in Illinois. From United States there are direct flights to Chicago O'Hare Intl (ORD).
Search flight deals

Frequently asked questions about flying from the United States to Illinois

  • When did momondo last update prices for flights from United States to Illinois?

    Prices for flights from United States to Illinois refresh daily.

  • How many operators does momondo search for flights from United States to Illinois?

  • How old do you have to be to fly from United States to Illinois?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from United States to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from United States to Illinois?

Best airlines flying from United States to Illinois

Compare and see reviews for airlines that fly from United States to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $39Free CancellationRating
5.5
2,515 reviews
Search Frontier flights
DeltaPriceFrom $74Free CancellationRating
7.8
8,698 reviews
Search Delta flights
JetBluePriceFrom $78Free CancellationRating
7.1
3,074 reviews
Search JetBlue flights
ContourPriceFrom $118Free CancellationRating
7.5
43 reviews
Search Contour flights
Breeze AirwaysPriceFrom $122Free CancellationRating
8.2
324 reviews
Search Breeze Airways flights
United AirlinesPriceFrom $135Free CancellationRating
7.3
10,459 reviews
Search United Airlines flights
SouthwestPriceFrom $147Free CancellationRating
7.9
4,225 reviews
Search Southwest flights
American AirlinesPriceFrom $151Free CancellationRating
7.0
12,223 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $204Free CancellationRating
7.9
13,138 reviews
Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from United States to Illinois?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Illinois from United States.

Can I find flights from United States to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for United States to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from United States to Illinois?

momondo provides multiple filters to help you find the best flight to Illinois from United States. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Price alerts on flights to Illinois from United States 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.

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