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Cheap flights from North America to Illinois from $48

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 4/25. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:30 am - 9:55 am
DFW
-
ORD
2h 25mnonstop
Multiple Airlines Logo
12:05 pm - 3:04 pm
ORD
-
DFW
2h 59mnonstop
$91Multiple Airlines
Sat, May 9 - Sat, May 16
Spirit Airlines Logo
5:45 am - 8:05 am
DFW
-
ORD
2h 20mnonstop
Spirit Airlines Logo
4:03 pm - 6:38 pm
ORD
-
DFW
2h 35mnonstop
$92Spirit Airlines
Wed, Apr 22 - Wed, Apr 29
Multiple Airlines Logo
11:30 am - 2:07 pm
DFW
-
ORD
2h 37mnonstop
Multiple Airlines Logo
9:44 pm - 12:21 am
ORD
-
DFW
2h 37mnonstop
$93Multiple Airlines
Wed, Apr 15 - Sat, Apr 18
Frontier Logo
10:17 pm - 12:52 am
DFW
-
ORD
2h 35mnonstop
Frontier Logo
5:05 am - 7:54 am
ORD
-
DFW
2h 49mnonstop
$94Frontier
Fri, Apr 17 - Mon, Apr 20
Frontier Logo
9:10 am - 11:42 am
DFW
-
ORD
2h 32mnonstop
Frontier Logo
6:31 pm - 9:29 pm
ORD
-
DFW
2h 58mnonstop
$95Frontier
Fri, Apr 17 - Mon, Apr 20
Delta Logo
3:24 pm - 5:41 pm
JFK
-
ORD
3h 17mnonstop
Delta Logo
6:04 am - 9:29 am
ORD
-
JFK
2h 25mnonstop
$159Delta
Tue, May 5 - Wed, May 6
Delta Logo
8:19 am - 10:28 am
JFK
-
ORD
3h 09mnonstop
Delta Logo
6:04 am - 9:29 am
ORD
-
JFK
2h 25mnonstop
$160Delta
Sat, Apr 18 - Tue, Apr 21
Southwest Logo
11:25 am - 3:00 pm
DEN
-
ORD
2h 35mnonstop
Southwest Logo
11:55 am - 7:25 pm
ORD
-
DEN
8h 30m
2 stops
$174Southwest
Tue, May 12 - Wed, May 13
Southwest Logo
10:50 am - 2:20 pm
DEN
-
ORD
2h 30mnonstop
Southwest Logo
10:30 am - 12:15 pm
ORD
-
DEN
2h 45mnonstop
$175Southwest
Sat, Apr 18 - Tue, Apr 21
United Airlines Logo
8:20 am - 9:38 am
IAD
-
ORD
2h 18mnonstop
United Airlines Logo
9:35 pm - 12:33 am
ORD
-
IAD
1h 58mnonstop
$223United Airlines
Thu, Apr 23 - Thu, Apr 30

JetBlue flights from North America to Illinois

Our best JetBlue deals on North America to Illinois flight tickets
JetBlue
May 5
JFK6:00 amNew York John F Kennedy Intl
2h 41m
ORD7:41 amChicago O'Hare Intl
May 6
ORD8:34 amChicago O'Hare Intl
2h 25m
JFK11:59 amNew York John F Kennedy Intl
$154
JetBlue
May 12
JFK6:00 amNew York John F Kennedy Intl
2h 44m
ORD7:44 amChicago O'Hare Intl
May 19
ORD8:35 amChicago O'Hare Intl
2h 25m
JFK12:00 pmNew York John F Kennedy Intl
$157
JetBlue
Apr 22
JFK6:00 amNew York John F Kennedy Intl
2h 41m
ORD7:41 amChicago O'Hare Intl
Apr 25
ORD8:31 amChicago O'Hare Intl
2h 19m
JFK11:50 amNew York John F Kennedy Intl
$158

Southwest flights from North America to Illinois

Our best Southwest deals on North America to Illinois flight tickets
Southwest
May 12
DEN11:25 amDenver Intl
2h 35m
ORD3:00 pmChicago O'Hare Intl
May 13
ORD11:55 amChicago O'Hare Intl
8h 30m
2 stops
DEN7:25 pmDenver Intl
$174
Southwest
Apr 18
DEN10:50 amDenver Intl
2h 30m
ORD2:20 pmChicago O'Hare Intl
Apr 21
ORD10:30 amChicago O'Hare Intl
2h 45m
DEN12:15 pmDenver Intl
$175
Southwest
Apr 8
SEA8:25 amSeattle/Tacoma Intl
12h 30m
1 stop
ORD10:55 pmChicago O'Hare Intl
Apr 15
ORD6:15 amChicago O'Hare Intl
12h 40m
2 stops
SEA4:55 pmSeattle/Tacoma Intl
$376

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 March 29, 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

Sat 5/9

7:30 am-9:55 am

Nonstop2h 25m

Chicago O'Hare Intl

Sat 5/16

12:05 pm-3:04 pm

Nonstop2h 59m

$91

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Wed 4/22

5:45 am-8:05 am

Nonstop2h 20m

Chicago O'Hare Intl

Wed 4/29

4:03 pm-6:38 pm

Nonstop2h 35m

$92

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Wed 4/15

11:30 am-2:07 pm

Nonstop2h 37m

Chicago O'Hare Intl

Sat 4/18

9:44 pm-12:21 am

Nonstop2h 37m

$93

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 4/17

10:17 pm-12:52 am

Nonstop2h 35m

Chicago O'Hare Intl

Mon 4/20

5:05 am-7:54 am

Nonstop2h 49m

$94

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 4/17

9:10 am-11:42 am

Nonstop2h 32m

Chicago O'Hare Intl

Mon 4/20

6:31 pm-9:29 pm

Nonstop2h 58m

$95

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Tue 5/5

3:24 pm-5:41 pm

Nonstop3h 17m

Chicago O'Hare Intl

Wed 5/6

6:04 am-9:29 am

Nonstop2h 25m

$159

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 4/18

8:19 am-10:28 am

Nonstop3h 09m

Chicago O'Hare Intl

Tue 4/21

6:04 am-9:29 am

Nonstop2h 25m

$160

DenverChicago

DEN - ORD

DENORD

Denver Intl

Tue 5/12

11:25 am-3:00 pm

Nonstop2h 35m

Chicago O'Hare Intl

Wed 5/13

11:55 am-7:25 pm

2 stops8h 30m

$174

DenverChicago

DEN - ORD

DENORD

Denver Intl

Sat 4/18

10:50 am-2:20 pm

Nonstop2h 30m

Chicago O'Hare Intl

Tue 4/21

10:30 am-12:15 pm

Nonstop2h 45m

$175
Quickest round-trip

Washington, D.C.Chicago

IAD - ORD

IADORD

Washington, D.C. Dulles Intl

Thu 4/23

8:20 am-9:38 am

Nonstop2h 18m

Chicago O'Hare Intl

Thu 4/30

9:35 pm-12:33 am

Nonstop1h 58m

$223

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 January. Flight prices, which tend to average around $177, 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 $182.

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 $361. Flights from North America to Illinois on a Sunday will generally be more expensive and average around $440. 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 $284. Flights at noon are often more expensive with an average ticket price of $461.

What is the cheapest North America to Illinois flight route?

Fly from Newark to Chicago Midway for the best North America - 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 North America when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $235 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 $184 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

$41

Fastest flight time

0h 50m

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 $41. The best round-trip flight deal from North America to Illinois found on momondo in the last 72 hours is $66.
The fastest flight from North America to Illinois takes 0h 50m
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).
Search flight deals

  • 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
Spirit AirlinesPriceFrom $32Free CancellationRating
6.3
8,553 reviews
Search Spirit Airlines flights
FrontierPriceFrom $43Free CancellationRating
5.7
3,010 reviews
Search Frontier flights
JetBluePriceFrom $67Free CancellationRating
7.2
2,907 reviews
Search JetBlue flights
DeltaPriceFrom $78Free CancellationRating
7.9
8,358 reviews
Search Delta flights
Hawaiian AirlinesPriceFrom $84Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
Allegiant AirPriceFrom $91Free CancellationRating
7.3
709 reviews
Search Allegiant Air flights
ContourPriceFrom $105Free CancellationRating
7.6
42 reviews
Search Contour flights
SouthwestPriceFrom $117Free CancellationRating
8.0
4,331 reviews
Search Southwest flights
United AirlinesPriceFrom $117Free CancellationRating
7.4
9,514 reviews
Search United Airlines flights
American AirlinesPriceFrom $128Free CancellationRating
7.1
11,525 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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