HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Illinois

$69+ Cheap flights from North America to Illinois

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — ORD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from North America to Illinois with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from North America to Illinois

Keep the following information in mind while searching for North America to Illinois flight deals. Data was last updated July 30, 2025.

Round-trip from

$117
(Kiwi.com)

One-way from

$69
(Mytrip)

Popular in

June

Cheapest in

September

Average price

$267

Good round-trip deal

$60 or less

Good one-way deal

$52 or less
From North America to Illinois
Search Deals
One-way flight from North America to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from North America to Illinois.
Search Deals
Price to beat on a one-way flight from North America to Illinois.
Search Deals

Find flight deals from North America to Illinois

Cheapest flights from North America to Illinois
Explore the most affordable flight options available from North America to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/109:28 pmDFW - ORD
Nonstop2h 22mMultiple Airlines
Sun 10/125:25 amORD - DFW
Nonstop2h 33mMultiple Airlines
Deal found 7/30$117
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/179:28 pmDFW - ORD
Nonstop2h 22mSpirit Airlines
Sun 10/195:31 pmORD - DFW
Nonstop2h 35mSpirit Airlines
Deal found 7/30$118
This FlightHub deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/51:19 pmDFW - ORD
Nonstop2h 35mFrontier
Tue 9/96:44 pmORD - DFW
Nonstop2h 55mFrontier
Deal found 7/30$119
This lastminute.com deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/64:30 pmJFK - ORD
Nonstop2h 53mJetBlue
Mon 9/81:35 pmORD - JFK
Nonstop2h 24mJetBlue
Deal found 7/30$150
This Cheapflightsfares deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1310:59 amLGA - ORD
1 stop9h 08mSpirit Airlines
Tue 8/198:12 pmORD - LGA
1 stop12h 48mSpirit Airlines
Deal found 7/30$150
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/318:00 amJFK - ORD
Nonstop2h 55mDelta
Wed 9/36:20 pmORD - JFK
Nonstop2h 43mDelta
Deal found 7/28$152
This Justfly.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/811:00 amJFK - ORD
Nonstop2h 45mFrontier
Fri 10/106:40 amORD - JFK
Nonstop2h 23mFrontier
Deal found 7/28$155
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/611:00 amJFK - ORD
Nonstop2h 41mAmerican Airlines
Mon 9/81:59 pmORD - JFK
Nonstop2h 18mAmerican Airlines
Deal found 7/30$156
This Delta deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:10 pmLGA - ORD
Nonstop3h 04mDelta
Wed 8/207:15 amORD - LGA
Nonstop2h 15mDelta
Deal found 7/28$157
This American Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:00 amDFW - ORD
Nonstop2h 26mAmerican Airlines
Tue 9/304:12 pmORD - DFW
Nonstop2h 33mAmerican Airlines
Deal found 7/30$157
This United Airlines deal was found by Cheapflights users on 7/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/277:25 pmDFW - ORD
Nonstop2h 33mUnited Airlines
Wed 9/312:45 pmORD - DFW
Nonstop2h 36mUnited Airlines
Deal found 7/30$159
This Kiwi.com deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2010:40 amEWR - ORD
1 stop6h 30mSpirit Airlines
Sat 8/3011:36 amORD - EWR
1 stop7h 10mSpirit Airlines
Deal found 7/28$160

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
Use the filters below to find and compare flights from North America to Illinois that are best for you.

Fly from

North America

Fly to

Illinois

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 10/10

9:28 pm-11:50 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 10/12

5:25 am-7:58 am

Nonstop2h 33m

$117

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 10/17

9:28 pm-11:50 pm

Nonstop2h 22m

Chicago O'Hare Intl

Sun 10/19

5:31 pm-8:06 pm

Nonstop2h 35m

$118

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 9/5

1:19 pm-3:54 pm

Nonstop2h 35m

Chicago O'Hare Intl

Tue 9/9

6:44 pm-9:39 pm

Nonstop2h 55m

$119

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 9/6

4:30 pm-6:23 pm

Nonstop2h 53m

Chicago O'Hare Intl

Mon 9/8

1:35 pm-4:59 pm

Nonstop2h 24m

$150

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Wed 8/13

10:59 am-7:07 pm

1 stop9h 08m

Chicago O'Hare Intl

Tue 8/19

8:12 pm-10:00 am

1 stop12h 48m

$150

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sun 8/31

8:00 am-9:55 am

Nonstop2h 55m

Chicago O'Hare Intl

Wed 9/3

6:20 pm-10:03 pm

Nonstop2h 43m

$152

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Wed 10/8

11:00 am-12:45 pm

Nonstop2h 45m

Chicago O'Hare Intl

Fri 10/10

6:40 am-10:03 am

Nonstop2h 23m

$155

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 9/6

11:00 am-12:41 pm

Nonstop2h 41m

Chicago O'Hare Intl

Mon 9/8

1:59 pm-5:17 pm

Nonstop2h 18m

$156

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Tue 8/19

5:10 pm-7:14 pm

Nonstop3h 04m

Chicago O'Hare Intl

Tue 8/26

7:15 am-10:30 am

Nonstop2h 15m

$157

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Wed 9/24

7:00 am-9:26 am

Nonstop2h 26m

Chicago O'Hare Intl

Tue 9/30

4:12 pm-6:45 pm

Nonstop2h 33m

$157

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from North America to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from North America with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from North America to Illinois

What is the cheapest month to book a flight from North America to Illinois?

Currently, August is the cheapest month in which you can book a flight from North America to Illinois (average of $245). Flying from North America to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from NA to IL?

Find hourly flight availability from North America to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from North America to Illinois as you normally would.

Weekly flight availability from North America to Illinois

Explore weekly flight availability from North America to Illinois. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 30, 2025.

The most flights from 0NA to USIL are scheduled on a Monday (127 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (76 on average).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from North America to Illinois, such as Alaska Airlines, Southwest, and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,241 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,980 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,611 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,896 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Entertainment

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Related info for your journey

Find useful and relevant information for your journey from North America to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from North America to Illinois one-way?

    $69 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and Delta, with prices starting from $73 and $79, respectively.

  • Can I find deals for flights from North America to Illinois that include hotel bookings?

    Yes. In addition to deals on North America to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from North America to Illinois?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from North America to Illinois.

  • Can I find deals for business class flights from North America to Illinois?

    Yes. Cheapflights offers flight deals from North America to Illinois by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from North America to Illinois?

    Currently, August is the cheapest month in which you can book a flight from North America to Illinois (average of $245). Flying from North America to Illinois in March is currently the most expensive (average of $321). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for North America to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to LaGuardia flights
Los Angeles to John F Kennedy Intl flights
Newark to Fort Lauderdale flights
John F Kennedy Intl to Los Angeles flights
Dallas/Fort Worth to O'Hare Intl flights
Newark to O'Hare Intl flights
Los Angeles to Newark flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Las Vegas flights
John F Kennedy Intl to O'Hare Intl flights
Newark to Miami flights
Heathrow to John F Kennedy Intl flights
LaGuardia to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
O'Hare Intl to John F Kennedy Intl flights
Newark to Los Angeles flights
LaGuardia to O'Hare Intl flights
O'Hare Intl to LaGuardia flights
John F Kennedy Intl to Orlando flights
San Francisco to John F Kennedy Intl flights
O'Hare Intl to Newark flights
Heathrow to Newark flights
LaGuardia to Miami flights
John F Kennedy Intl to Seattle flights
Newark to Orlando flights
Los Angeles to Las Vegas flights
Dallas/Fort Worth to Seattle flights
Los Angeles to Honolulu flights
Los Angeles to Seattle flights
John F Kennedy Intl to San Francisco flights
Charles de Gaulle to John F Kennedy Intl flights
Dallas/Fort Worth to Newark flights
LaGuardia to Dallas/Fort Worth flights
Charles de Gaulle to Newark flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Seattle flights
John F Kennedy Intl to Atlanta flights
San Francisco to Newark flights
Dallas/Fort Worth to John F Kennedy Intl flights
San Francisco to Seattle flights
Los Angeles to O'Hare Intl flights
O'Hare Intl to Dallas/Fort Worth flights
Fort Lauderdale to Newark flights
Dallas/Fort Worth to Los Angeles flights
Atlanta to John F Kennedy Intl flights
Newark to San Francisco flights
Los Angeles to San Jose flights
Hobby to Las Vegas flights
Luis Munoz Marin Intl to Orlando flights
Dallas/Fort Worth to Denver flights

Top 10 airlines flying from North America to Illinois

Discover the top 10 airlines that operate flights from North America to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$37Average$180FlexibilityNo cancel feeOn-time65%
Allegiant AirCheapest$44Average$161FlexibilityNo cancel feeOn-time88%
FrontierCheapest$56Average$180FlexibilityNo cancel feeOn-time62%
JetBlueCheapest$74Average$215FlexibilityNo cancel feeOn-time62%
Breeze AirwaysCheapest$88Average$148FlexibilityNo cancel feeOn-timeN/A
DeltaCheapest$94Average$358FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$97Average$410FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$108Average$288FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$125Average$303FlexibilityNo cancel feeOn-time63%
Sun Country AirCheapest$130Average$330FlexibilityNo cancel feeOn-time83%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.