What is the cheapest airport to fly out of Illinois?

Chicago O'Hare Intl airport offers the cheapest routes to Belize City, from $62; whereas Chicago Midway airport is typically cheaper if you're flying to Guatemala City, from $72. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

What is the cheapest month to fly from Illinois?

August is currently the cheapest month to fly from Illinois . At this moment in time January is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.

Where are the cheapest places to fly to from Illinois?

Check out the cheapest flights from Illinois to embark to: Fly from Chicago to Atlanta from $62 round trip Fly from Chicago to Asheville from $76 round trip Fly from Chicago to Nashville from $77 round trip Fly from Chicago to Minneapolis from $77 round trip Fly from Chicago to Kansas City from $77 round trip

$54+ Flights from Illinois

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What to know about flights from Illinois

Good round-trip deal	$60 or less
Good one-way deal	$50 or less

Price to beat on a round-trip flight from Illinois.

Search Deals

Price to beat on a one-way flight from Illinois.

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Find flights from Illinois

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 24, 2025.

Sun 5/185:45 amORD - DFW

Nonstop2h 49mFrontier

Mon 5/195:10 amDFW - ORD

Nonstop2h 35mFrontier

Deal found 4/23$111

Wed 6/49:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Sun 6/85:00 amEWR - ORD

Nonstop2h 32mSpirit Airlines

Deal found 4/23$111

Wed 5/285:51 amORD - LGA

Nonstop2h 09mSpirit Airlines

Tue 6/106:30 pmLGA - ORD

Nonstop2h 37mSpirit Airlines

Deal found 4/23$118

Thu 7/35:20 amORD - DFW

Nonstop2h 39mMultiple Airlines

Wed 7/93:20 pmDFW - ORD

Nonstop2h 30mMultiple Airlines

Deal found 4/23$122

Mon 9/157:00 pmORD - DFW

Nonstop2h 35mSpirit Airlines

Fri 9/193:20 pmDFW - ORD

Nonstop2h 30mSpirit Airlines

Deal found 4/23$125

Wed 6/115:51 amORD - MIA

1 stop6h 15mSpirit Airlines

Tue 6/177:20 pmMIA - ORD

Nonstop3h 36mSpirit Airlines

Deal found 4/23$131

Tue 5/209:02 pmORD - LAS

Nonstop4h 05mSpirit Airlines

Fri 5/235:15 amLAS - ORD

Nonstop3h 40mSpirit Airlines

Deal found 4/23$131

Tue 5/209:02 pmORD - LAS

Nonstop4h 05mMultiple Airlines

Fri 5/233:03 pmLAS - ORD

Nonstop3h 50mMultiple Airlines

Deal found 4/23$132

Sun 5/256:17 amORD - LGA

Nonstop2h 06mAmerican Airlines

Wed 5/289:19 amLGA - ORD

Nonstop2h 38mAmerican Airlines

Deal found 4/22$137

Mon 5/198:14 pmORD - LAS

Nonstop4h 16mFrontier

Wed 5/211:00 pmLAS - ORD

Nonstop3h 50mFrontier

Deal found 4/23$142

Sat 6/146:10 amORD - LAX

Nonstop4h 33mMultiple Airlines

Mon 6/1612:44 amLAX - ORD

Nonstop4h 07mMultiple Airlines

Deal found 4/23$146

Wed 5/148:05 amORD - DFW

Nonstop2h 40mAmerican Airlines

Sat 5/175:58 pmDFW - ORD

Nonstop2h 26mAmerican Airlines

Deal found 4/23$147

Best flights from Illinois
Discover carefully curated flight deals from Illinois that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 24, 2025.

Sun 5/185:45 amORD - DFW

Nonstop2h 49mFrontier

Mon 5/195:10 amDFW - ORD

Nonstop2h 35mFrontier

Deal found 4/23$111

Wed 6/49:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Sun 6/85:00 amEWR - ORD

Nonstop2h 32mSpirit Airlines

Deal found 4/23$111

Thu 7/35:20 amORD - DFW

Nonstop2h 39mMultiple Airlines

Wed 7/93:20 pmDFW - ORD

Nonstop2h 30mMultiple Airlines

Deal found 4/23$122

Sun 5/256:17 amORD - LGA

Nonstop2h 06mAmerican Airlines

Wed 5/289:19 amLGA - ORD

Nonstop2h 38mAmerican Airlines

Deal found 4/22$137

Sat 5/246:03 pmORD - LGA

Nonstop2h 20mUnited Airlines

Sun 5/258:25 amLGA - ORD

Nonstop2h 38mUnited Airlines

Deal found 4/23$148

Wed 5/217:00 amORD - LGA

Nonstop2h 12mDelta

Sun 5/258:55 pmLGA - ORD

Nonstop2h 46mDelta

Deal found 4/23$153

Wed 5/214:03 pmORD - JFK

Nonstop2h 26mJetBlue

Wed 5/288:00 pmJFK - ORD

Nonstop2h 54mJetBlue

Deal found 4/23$153

Wed 6/48:00 amORD - SEA

Nonstop4h 27mHawaiian Airlines

Wed 6/114:19 pmSEA - ORD

Nonstop4h 04mHawaiian Airlines

Deal found 4/22$168

Sat 5/245:58 pmORD - SEA

Nonstop4h 37mAlaska Airlines

Sat 5/3111:40 pmSEA - ORD

Nonstop4h 00mAlaska Airlines

Deal found 4/22$171

Wed 5/285:51 amORD - LGA

Nonstop2h 09mSpirit Airlines

Tue 6/106:30 pmLGA - ORD

Nonstop2h 37mSpirit Airlines

Deal found 4/23$118

Mon 6/236:18 pmORD - LAS

1 stop6h 24mSun Country Air

Fri 6/2711:59 pmLAS - ORD

1 stop18h 40mSun Country Air

Deal found 4/22$245

Tue 5/209:02 pmORD - LAS

Nonstop4h 05mMultiple Airlines

Fri 5/233:03 pmLAS - ORD

Nonstop3h 50mMultiple Airlines

Deal found 4/23$132

Last-minute flights from Illinois
Discover last-minute flight deals departing from Illinois. Data last updated April 24, 2025 and is based on user searches.

Mon 4/286:30 amORD - DFW

1 stop10h 22mFrontier

Mon 5/195:10 amDFW - ORD

Nonstop2h 35mFrontier

Deal found 4/23$157

Mon 4/287:41 amORD - PHX

1 stop7h 47mSpirit Airlines

Sat 5/35:46 pmPHX - ORD

1 stop12h 49mSpirit Airlines

Deal found 4/21$175

Tue 4/2911:57 amORD - EWR

1 stop8h 08mMultiple Airlines

Thu 5/85:55 amEWR - ORD

Nonstop2h 32mMultiple Airlines

Deal found 4/22$148

Tue 4/297:00 pmORD - MIA

Nonstop3h 12mMultiple Airlines

Thu 5/13:55 pmMIA - ORD

1 stop8h 16mMultiple Airlines

Deal found 4/22$171

Wed 4/305:45 pmORD - EWR

Nonstop2h 22mSpirit Airlines

Tue 5/65:30 amEWR - ORD

Nonstop2h 33mSpirit Airlines

Deal found 4/21$134

Wed 4/309:28 amORD - LAS

1 stop10h 31mMultiple Airlines

Wed 5/712:42 pmLAS - ORD

1 stop16h 00mMultiple Airlines

Deal found 4/22$166

Sat 5/311:45 amORD - LGA

1 stop9h 48mSpirit Airlines

Sat 5/106:30 pmLGA - ORD

Nonstop2h 37mSpirit Airlines

Deal found 4/22$131

Sat 5/34:15 pmORD - DFW

1 stop7h 36mMultiple Airlines

Sat 5/178:33 pmDFW - ORD

1 stop10h 09mMultiple Airlines

Deal found 4/22$152

Sat 5/38:42 pmORD - LAX

Nonstop4h 42mSpirit Airlines

Tue 5/1312:41 amLAX - ORD

Nonstop4h 01mSpirit Airlines

Deal found 4/23$161

Sat 5/310:22 amORD - LGA

1 stop11h 41mMultiple Airlines

Tue 5/64:38 pmLGA - ORD

Nonstop2h 39mMultiple Airlines

Deal found 4/22$162

Sat 5/39:19 amORD - JFK

1 stop23h 41mFrontier

Sat 5/106:00 amJFK - ORD

1 stop8h 41mFrontier

Deal found 4/22$174

Sun 5/47:00 pmORD - MIA

Nonstop3h 12mSpirit Airlines

Thu 5/81:35 pmMIA - ORD

Nonstop3h 28mSpirit Airlines

Deal found 4/23$163

One-way flights from Illinois
Search for one-way flight options from Illinois. Find affordable one-way fares based on user searches. Data last updated April 24, 2025.

Wed 5/79:08 pmORD - EWR

Nonstop2h 21mSpirit Airlines

Deal found 4/23$54

Thu 7/35:20 amORD - DFW

Nonstop2h 39mFrontier

Deal found 4/24$59

Fri 7/48:10 pmORD - DFW

Nonstop2h 27mSpirit Airlines

Deal found 4/24$62

Tue 5/67:00 pmORD - MIA

Nonstop3h 12mSpirit Airlines

Deal found 4/23$68

Tue 5/278:00 pmORD - LGA

Nonstop2h 22mUnited Airlines

Deal found 4/22$69

Sun 5/256:57 amORD - EWR

Nonstop2h 11mAmerican Airlines

Deal found 4/22$69

Sun 5/256:15 amORD - JFK

Nonstop2h 15mJetBlue

Deal found 4/23$69

Fri 5/912:41 pmORD - LGA

1 stop9h 43mSpirit Airlines

Deal found 4/23$70

Wed 5/147:05 amORD - DFW

Nonstop2h 42mUnited Airlines

Deal found 4/23$74

Sun 5/188:14 pmORD - LAS

Nonstop4h 16mFrontier

Deal found 4/23$74

Wed 6/1111:50 amORD - LAS

Nonstop4h 01mSpirit Airlines

Deal found 4/23$75

Wed 6/187:49 pmORD - LAX

Nonstop4h 31mSpirit Airlines

Deal found 4/23$76

Find flights from Illinois within your budget

Fly to

Route

Depart

Return

Price

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Wed 5/14

6:59 pm-10:38 am

1 stop15h 39m

Dallas/Fort Worth

Mon 5/19

4:44 pm-7:17 pm

Nonstop2h 33m

$99

ChicagoNew York

ORD - LGA

ORDLGA

Chicago O'Hare Intl

Wed 6/18

5:51 am-9:00 am

Nonstop2h 09m

New York LaGuardia

Wed 6/18

6:30 pm-8:05 pm

Nonstop2h 35m

$101

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Sun 5/18

5:45 am-8:34 am

Nonstop2h 49m

Dallas/Fort Worth

Mon 5/19

5:10 am-7:45 am

Nonstop2h 35m

$111

ChicagoNewark

ORD - EWR

ORDEWR

Chicago O'Hare Intl

Wed 6/4

9:08 pm-12:29 am

Nonstop2h 21m

Newark

Sun 6/8

5:00 am-6:32 am

Nonstop2h 32m

$111

ChicagoDallas

ORD - DFW

ORDDFW

Chicago O'Hare Intl

Thu 6/26

2:31 pm-4:59 pm

Nonstop2h 28m

Dallas/Fort Worth

Sun 6/29

8:54 am-11:40 am

Nonstop2h 46m

$124

ChicagoMiami

ORD - MIA

ORDMIA

Chicago O'Hare Intl

Wed 6/11

5:51 am-1:06 pm

1 stop6h 15m

Miami

Tue 6/17

7:20 pm-9:56 pm

Nonstop3h 36m

$131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 5/20

9:02 pm-11:07 pm

Nonstop4h 05m

Las Vegas Harry Reid Intl

Tue 5/27

11:46 pm-5:25 am

Nonstop3h 39m

$131

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Tue 5/20

9:02 pm-11:07 pm

Nonstop4h 05m

Las Vegas Harry Reid Intl

Fri 5/23

3:03 pm-8:53 pm

Nonstop3h 50m

$132

ChicagoLas Vegas

ORD - LAS

ORDLAS

Chicago O'Hare Intl

Mon 5/19

8:14 pm-10:30 pm

Nonstop4h 16m

Las Vegas Harry Reid Intl

Wed 5/21

1:00 pm-6:50 pm

Nonstop3h 50m

$142

ChicagoLos Angeles

ORD - LAX

ORDLAX

Chicago O'Hare Intl

Sat 6/14

6:10 am-8:43 am

Nonstop4h 33m

Los Angeles

Mon 6/16

12:44 am-6:51 am

Nonstop4h 07m

$146

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/23

Showing 1-10 of 60 results

...

Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois 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.

Travel insights for flights from Illinois

Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.

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

Currently, August is the cheapest month in which you can book a flight from Illinois (average of $24). Flying from Illinois in January will prove the most costly (average of $95). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Illinois?

Those who are seeking the cheapest fare on flights departing from Illinois would be wise to consider leaving during Tuesday at noon when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Sunday afternoons when fares are usually the most expensive.

Which airlines fly from Illinois?

For flights departing from Illinois check dates and pricing for the following: Frontier, American Airlines, United Airlines, Southwest, Spirit Airlines. These airlines depart to the following popular destinations: Dallas.

United Airlines

From $92

American Airlines

From $91

Frontier

From $37

Spirit Airlines

From $26

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Myrtle Beach Intl, with prices starting at $31. Explore other affordable destinations below.

Myrtle Beach Intl

From $31

Orlando

From $38

Tampa

From $39

Lambert-St Louis

From $39

Airline reviews for flights from Illinois

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Alaska Airlines

8.0

Very good

9,918 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Delta

8.0

Very good

7,920 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

United Airlines

7.4

Good

8,685 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Sun Country Air

6.9

Okay

348 reviews

Alaska Airlines

8.0

Very good

9,918 reviews

Reviews

1 / 20

4.0

Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Browse thousands of different options on Cheapflights for your next trip

Related info for your journey

What is the cheapest airport to fly out of Illinois?
Chicago O'Hare Intl airport offers the cheapest routes to Belize City, from $62; whereas Chicago Midway airport is typically cheaper if you're flying to Guatemala City, from $72. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.
What is the cheapest month to fly from Illinois?
August is currently the cheapest month to fly from Illinois. At this moment in time January is the most expensive month. These prices are determined by multiple factors and booking in advance can help keep costs down if your schedule is not as flexible.
Where are the cheapest places to fly to from Illinois?
Check out the cheapest flights from Illinois to embark to:
Fly from Chicago to Atlanta from $62 round trip
Fly from Chicago to Asheville from $76 round trip
Fly from Chicago to Nashville from $77 round trip
Fly from Chicago to Minneapolis from $77 round trip
Fly from Chicago to Kansas City from $77 round trip

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$54+ Cheap flights from 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.

What to know about flights from Illinois

Good round-trip deal

Good one-way deal

Find flights from Illinois

Cheapest flights from IllinoisExplore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 24, 2025.

Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 24, 2025.

Find flights from Illinois within your budget

Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly from Illinois with our price prediction graph.

Travel insights for flights from Illinois

Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.

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

When is the cheapest time to fly from Illinois?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Dallas/Fort Worth. Price data was last updated on March 30, 2025.

Which airlines fly from Illinois?

What is the cheapest place to fly to from Illinois?

Airline reviews for flights from Illinois

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.

Popular international destinations from Illinois

The most popular international flight routes departing from Illinois we’ve come across at this time.

Related info for your journey

What is the cheapest airport to fly out of Illinois?

What is the cheapest month to fly from Illinois?

Where are the cheapest places to fly to from Illinois?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on April 24, 2025.