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Cheap flights from North America to Illinois from $73

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from North America to Illinois departing on 7/9. 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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0 bags

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Find the cheapest flights from North America to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
9:10 am - 11:43 am
DFW
-
ORD
2h 33mnonstop
Frontier Logo
9:10 am - 11:57 am
ORD
-
DFW
2h 47mnonstop
$128Frontier
Tue, Jun 9 - Wed, Jun 10
Frontier Logo
1:25 pm - 4:08 pm
DFW
-
ORD
2h 43mnonstop
Frontier Logo
9:28 am - 12:20 pm
ORD
-
DFW
2h 52mnonstop
$138Frontier
Sat, Aug 8 - Sat, Aug 15
United Airlines Logo
7:15 am - 9:00 am
EWR
-
ORD
2h 45mnonstop
United Airlines Logo
8:04 pm - 11:36 pm
ORD
-
EWR
2h 32mnonstop
$177United Airlines
Tue, Jul 7 - Sat, Jul 11
United Airlines Logo
9:25 pm - 10:58 pm
LGA
-
ORD
2h 33mnonstop
United Airlines Logo
6:00 am - 9:11 am
ORD
-
LGA
2h 11mnonstop
$177United Airlines
Tue, Jun 30 - Wed, Jul 1
American Airlines Logo
5:11 am - 6:59 am
EWR
-
ORD
2h 48mnonstop
American Airlines Logo
6:51 am - 10:02 am
ORD
-
EWR
2h 11mnonstop
$178American Airlines
Thu, Jun 25 - Sun, Jun 28
Delta Logo
5:55 pm - 8:02 pm
LGA
-
ORD
3h 07mnonstop
Delta Logo
7:05 am - 10:24 am
ORD
-
LGA
2h 19mnonstop
$178Delta
Sat, Jun 27 - Mon, Jun 29
Delta Logo
9:00 pm - 10:48 pm
LGA
-
ORD
2h 48mnonstop
Delta Logo
6:00 am - 9:09 am
ORD
-
LGA
2h 09mnonstop
$182Delta
Fri, Jul 3 - Wed, Jul 8
American Airlines Logo
5:11 am - 6:59 am
EWR
-
ORD
2h 48mnonstop
American Airlines Logo
10:10 am - 1:30 pm
ORD
-
EWR
2h 20mnonstop
$192American Airlines
Wed, Jul 1 - Wed, Jul 8
Southwest Logo
1:40 pm - 11:55 pm
HOU
-
ORD
10h 15m
1 stop
Southwest Logo
1:35 pm - 10:45 pm
ORD
-
HOU
9h 10m
1 stop
$204Southwest
Mon, Jun 1 - Wed, Jun 3
Southwest Logo
6:00 am - 12:50 pm
HOU
-
ORD
6h 50m
2 stops
Southwest Logo
3:05 pm - 11:30 pm
ORD
-
HOU
8h 25m
1 stop
$209Southwest
Tue, May 26 - Thu, May 28

Delta flights from North America to Illinois

Our best Delta deals on North America to Illinois flight tickets
Delta
Jun 27
LGA5:55 pmNew York LaGuardia
3h 07m
ORD8:02 pmChicago O'Hare Intl
Jun 29
ORD7:05 amChicago O'Hare Intl
2h 19m
LGA10:24 amNew York LaGuardia
$178
Delta
Jul 3
LGA9:00 pmNew York LaGuardia
2h 48m
ORD10:48 pmChicago O'Hare Intl
Jul 8
ORD6:00 amChicago O'Hare Intl
2h 09m
LGA9:09 amNew York LaGuardia
$182
Delta
May 24
JFK10:30 amNew York John F Kennedy Intl
2h 46m
ORD12:16 pmChicago O'Hare Intl
May 29
ORD6:31 pmChicago O'Hare Intl
2h 29m
JFK10:00 pmNew York John F Kennedy Intl
$187

American Airlines flights from North America to Illinois

Our best American Airlines deals on North America to Illinois flight tickets
American Airlines
Jun 25
EWR5:11 amNewark
2h 48m
ORD6:59 amChicago O'Hare Intl
Jun 28
ORD6:51 amChicago O'Hare Intl
2h 11m
EWR10:02 amNewark
$178
American Airlines
Jul 1
EWR5:11 amNewark
2h 48m
ORD6:59 amChicago O'Hare Intl
Jul 7
ORD5:36 pmChicago O'Hare Intl
2h 24m
EWR9:00 pmNewark
$192
American Airlines
May 27
EWR5:30 amNewark
2h 45m
ORD7:15 amChicago O'Hare Intl
Jun 6
ORD5:37 pmChicago O'Hare Intl
2h 23m
EWR9:00 pmNewark
$193

momondo Fare Finder

 
Customize your flight search to find flights from North America to Illinois 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 May 10, 2026.
Use the filters below to find and compare flights from North America to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Tue 6/9

9:10 am-11:43 am

Nonstop2h 33m

Chicago O'Hare Intl

Wed 6/10

9:10 am-11:57 am

Nonstop2h 47m

$128

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 8/8

1:25 pm-4:08 pm

Nonstop2h 43m

Chicago O'Hare Intl

Sat 8/15

9:28 am-12:20 pm

Nonstop2h 52m

$138

NewarkChicago

EWR - ORD

EWRORD

Newark

Tue 7/7

7:15 am-9:00 am

Nonstop2h 45m

Chicago O'Hare Intl

Sat 7/11

8:04 pm-11:36 pm

Nonstop2h 32m

$177
Quickest round-trip

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 6/30

9:25 pm-10:58 pm

Nonstop2h 33m

Chicago O'Hare Intl

Wed 7/1

6:00 am-9:11 am

Nonstop2h 11m

$177

NewarkChicago

EWR - ORD

EWRORD

Newark

Thu 6/25

5:11 am-6:59 am

Nonstop2h 48m

Chicago O'Hare Intl

Sun 6/28

6:51 am-10:02 am

Nonstop2h 11m

$178

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 6/27

5:55 pm-8:02 pm

Nonstop3h 07m

Chicago O'Hare Intl

Mon 6/29

7:05 am-10:24 am

Nonstop2h 19m

$178

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 7/3

9:00 pm-10:48 pm

Nonstop2h 48m

Chicago O'Hare Intl

Wed 7/8

6:00 am-9:09 am

Nonstop2h 09m

$182

NewarkChicago

EWR - ORD

EWRORD

Newark

Wed 7/1

5:11 am-6:59 am

Nonstop2h 48m

Chicago O'Hare Intl

Wed 7/8

10:10 am-1:30 pm

Nonstop2h 20m

$192

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Mon 6/1

1:40 pm-11:55 pm

1 stop10h 15m

Chicago O'Hare Intl

Wed 6/3

1:35 pm-10:45 pm

1 stop9h 10m

$204

HoustonChicago

HOU - ORD

HOUORD

Houston Hobby

Tue 5/26

6:00 am-12:50 pm

2 stops6h 50m

Chicago O'Hare Intl

Thu 5/28

3:05 pm-11:30 pm

1 stop8h 25m

$209

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 North America 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 North America is in September. Flight prices, which tend to average around $257, 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 September, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $265.

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

The cheapest day to depart from North America to Illinois is on a Thursday when prices can be found for as low as $374. Flights from North America to Illinois on a Sunday will generally be more expensive and average around $443. 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 North America to Illinois during this time can be as low as $299. Flights at noon are often more expensive with an average ticket price of $483.

What is the cheapest North America to Illinois flight route?

Fly from Atlanta Hartsfield-Jackson to Chicago Midway for the best North America - Illinois flight prices

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

You are more likely to see cheaper flights to Illinois from North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $239 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from North America for as low as $162 on momondo.

Can stopping save me money on North America to Illinois flights?

No. A direct flight is the cheapest option for a flight between North America to Illinois.

Cheap North America to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from North America to Illinois

Best Price Found

$39

Fastest flight time

0h 45m

Direct flights

Every day

Airports in Illinois

98 airports
The best one-way flight to Illinois from North America in the past 72 hours is $39. The best round-trip flight deal from North America to Illinois found on momondo in the last 72 hours is $71.
The fastest flight from North America to Illinois takes 0h 45m
Direct flights go from North America to Illinois every day.
There are 98 airports in Illinois. From North America there are direct flights to Chicago Midway (MDW).
Search flight deals

Frequently asked questions about flying from North America to Illinois

  • When did momondo last update prices for flights from North America to Illinois?

    Prices for flights from North America to Illinois refresh daily.

  • How many operators does momondo search for flights from North America to Illinois?

  • How old do you have to be to fly from North America to Illinois?

    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 North America to Illinois.

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

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

  • What is the most popular plane model from North America to Illinois?

Best airlines flying from North America to Illinois

Compare and see reviews for airlines that fly from North America to Illinois with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $43Free CancellationRating
5.6
2,955 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $58Free CancellationRating
6.3
8,636 reviews
Search Spirit Airlines flights
JetBluePriceFrom $68Free CancellationRating
7.1
2,977 reviews
Search JetBlue flights
DeltaPriceFrom $75Free CancellationRating
7.9
8,455 reviews
Search Delta flights
Allegiant AirPriceFrom $100Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights
ContourPriceFrom $105Free CancellationRating
7.7
41 reviews
Search Contour flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $120Free CancellationRating
7.4
9,694 reviews
Search United Airlines flights
SouthwestPriceFrom $127Free CancellationRating
8.0
4,305 reviews
Search Southwest flights
American AirlinesPriceFrom $136Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from North America to Illinois?

Finding the right flight to Illinois from North America is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Illinois quick and easy, saving you time and money.

Can I find flights from North America to Illinois with flexible booking policies on momondo?

Flights from North America to Illinois with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from North America to Illinois?

Once all potential North America to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Illinois, momondo offers a useful price alert feature which will track prices for flights to Illinois from North America and alert you when they change.

An easier way to manage your Illinois trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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