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Cheap flights from North America to Illinois from $76

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 9/15. 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
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from North America to Illinois

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
1:25 pm - 4:08 pm
DFW
-
ORD
2h 43mnonstop
Frontier Logo
9:20 am - 12:12 pm
ORD
-
DFW
2h 52mnonstop
$152Frontier
Tue, Aug 4 - Fri, Aug 7
Frontier Logo
2:30 pm - 4:51 pm
DFW
-
MDW
2h 21mnonstop
Frontier Logo
6:17 pm - 8:54 pm
MDW
-
DFW
2h 37mnonstop
$152Frontier
Tue, Aug 4 - Fri, Aug 14
American Airlines Logo
4:50 pm - 7:44 pm
DFW
-
ORD
2h 54mnonstop
American Airlines Logo
1:50 pm - 4:24 pm
ORD
-
DFW
2h 34mnonstop
$159American Airlines
Tue, Aug 4 - Tue, Aug 11
United Airlines Logo
2:25 pm - 4:09 pm
LGA
-
ORD
2h 44mnonstop
United Airlines Logo
6:25 pm - 9:50 pm
ORD
-
LGA
2h 25mnonstop
$185United Airlines
Thu, Aug 20 - Sat, Aug 22
American Airlines Logo
9:23 pm - 11:29 pm
LGA
-
ORD
3h 06mnonstop
American Airlines Logo
6:00 am - 9:13 am
ORD
-
LGA
2h 13mnonstop
$186American Airlines
Sat, Aug 1 - Thu, Aug 6
Delta Logo
8:45 pm - 10:36 pm
LGA
-
ORD
2h 51mnonstop
Delta Logo
7:05 pm - 10:34 pm
ORD
-
LGA
2h 29mnonstop
$187Delta
Tue, Jul 14 - Wed, Jul 22
Delta Logo
6:00 am - 7:29 am
LGA
-
ORD
2h 29mnonstop
Delta Logo
7:05 am - 10:19 am
ORD
-
LGA
2h 14mnonstop
$188Delta
Mon, Aug 10 - Tue, Aug 11
United Airlines Logo
9:25 pm - 10:58 pm
LGA
-
ORD
2h 33mnonstop
United Airlines Logo
3:00 pm - 6:22 pm
ORD
-
LGA
2h 22mnonstop
$197United Airlines
Fri, Jul 10 - Sat, Jul 18
Alaska Airlines Logo
6:46 pm - 5:00 am
SFO
-
ORD
8h 14m
1 stop
Alaska Airlines Logo
6:20 am - 11:49 am
ORD
-
SFO
7h 29m
1 stop
$315Alaska Airlines
Mon, Jul 20 - Tue, Jul 28
Alaska Airlines Logo
6:00 am - 12:03 pm
SEA
-
ORD
4h 03mnonstop
Alaska Airlines Logo
6:42 pm - 9:34 pm
ORD
-
SEA
4h 52mnonstop
$355Alaska Airlines
Wed, Jul 1 - Fri, Jul 10

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American Airlines flights from North America to Illinois

Our best American Airlines deals on North America to Illinois flight tickets
American Airlines
Aug 4
DFW4:50 pmDallas/Fort Worth
2h 54m
ORD7:44 pmChicago O'Hare Intl
Aug 11
ORD1:50 pmChicago O'Hare Intl
2h 34m
DFW4:24 pmDallas/Fort Worth
$159
American Airlines
Aug 1
LGA9:23 pmNew York LaGuardia
3h 06m
ORD11:29 pmChicago O'Hare Intl
Aug 6
ORD6:00 amChicago O'Hare Intl
2h 13m
LGA9:13 amNew York LaGuardia
$186
American Airlines
Jul 11
JFK1:50 pmNew York John F Kennedy Intl
2h 54m
ORD3:44 pmChicago O'Hare Intl
Jul 18
ORD4:48 pmChicago O'Hare Intl
2h 36m
JFK8:24 pmNew York John F Kennedy Intl
$188

JetBlue flights from North America to Illinois

Our best JetBlue deals on North America to Illinois flight tickets
JetBlue
Jul 4
JFK2:29 pmNew York John F Kennedy Intl
2h 47m
ORD4:16 pmChicago O'Hare Intl
Jul 7
ORD6:00 amChicago O'Hare Intl
2h 17m
JFK9:17 amNew York John F Kennedy Intl
$185
JetBlue
Jul 28
JFK7:05 amNew York John F Kennedy Intl
2h 45m
ORD8:50 amChicago O'Hare Intl
Aug 15
ORD10:11 amChicago O'Hare Intl
2h 18m
JFK1:29 pmNew York John F Kennedy Intl
$186
JetBlue
Jul 7
JFK7:05 amNew York John F Kennedy Intl
2h 45m
ORD8:50 amChicago O'Hare Intl
Jul 7
ORD6:30 pmChicago O'Hare Intl
2h 36m
JFK10:06 pmNew York John F Kennedy Intl
$187

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 June 15, 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 8/4

1:25 pm-4:08 pm

Nonstop2h 43m

Chicago O'Hare Intl

Fri 8/7

9:20 am-12:12 pm

Nonstop2h 52m

$152

DallasChicago

DFW - MDW

DFWMDW

Dallas/Fort Worth

Tue 8/4

2:30 pm-4:51 pm

Nonstop2h 21m

Chicago Midway

Fri 8/14

6:17 pm-8:54 pm

Nonstop2h 37m

$152

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Tue 8/4

4:50 pm-7:44 pm

Nonstop2h 54m

Chicago O'Hare Intl

Tue 8/11

1:50 pm-4:24 pm

Nonstop2h 34m

$159

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 8/20

2:25 pm-4:09 pm

Nonstop2h 44m

Chicago O'Hare Intl

Sat 8/22

6:25 pm-9:50 pm

Nonstop2h 25m

$185

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 8/1

9:23 pm-11:29 pm

Nonstop3h 06m

Chicago O'Hare Intl

Thu 8/6

6:00 am-9:13 am

Nonstop2h 13m

$186

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 7/14

8:45 pm-10:36 pm

Nonstop2h 51m

Chicago O'Hare Intl

Wed 7/22

7:05 pm-10:34 pm

Nonstop2h 29m

$187
Quickest round-trip

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Mon 8/10

6:00 am-7:29 am

Nonstop2h 29m

Chicago O'Hare Intl

Tue 8/11

7:05 am-10:19 am

Nonstop2h 14m

$188

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Fri 7/10

9:25 pm-10:58 pm

Nonstop2h 33m

Chicago O'Hare Intl

Sat 7/18

3:00 pm-6:22 pm

Nonstop2h 22m

$197

San FranciscoChicago

SFO - ORD

SFOORD

San Francisco

Mon 7/20

6:46 pm-5:00 am

1 stop8h 14m

Chicago O'Hare Intl

Tue 7/28

6:20 am-11:49 am

1 stop7h 29m

$315

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 7/1

6:00 am-12:03 pm

Nonstop4h 03m

Chicago O'Hare Intl

Fri 7/10

6:42 pm-9:34 pm

Nonstop4h 52m

$355

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 $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 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 $401. Flights from North America to Illinois on a Sunday will generally be more expensive and average around $482. 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 $326. Flights at noon are often more expensive with an average ticket price of $498.

What is the cheapest North America to Illinois flight route?

Fly from Dallas/Fort Worth 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 $244 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.

What cabin class options are available on North America to Illinois flights?

There are 4 cabin classes available to choose from on North America 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 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 $78.
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 O'Hare Intl (ORD), 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 $39Free CancellationRating
5.6
2,887 reviews
Search Frontier flights
JetBluePriceFrom $68Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
DeltaPriceFrom $74Free CancellationRating
7.9
8,397 reviews
Search Delta flights
ContourPriceFrom $105Free CancellationRating
7.7
42 reviews
Search Contour flights
Hawaiian AirlinesPriceFrom $108Free CancellationRating
7.8
2,829 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $124Free CancellationRating
7.4
9,831 reviews
Search United Airlines flights
SouthwestPriceFrom $130Free CancellationRating
7.9
4,235 reviews
Search Southwest flights
American AirlinesPriceFrom $137Free CancellationRating
7.1
11,660 reviews
Search American Airlines flights
Air CanadaPriceFrom $153Free CancellationRating
7.1
11,194 reviews
Search Air Canada flights
Alaska AirlinesPriceFrom $177Free CancellationRating
7.9
12,511 reviews
Search Alaska 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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