Flights to Illinois

$102 Cheap flights to Illinois

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight to Illinois departing on 10/28. 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
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.
Frontier
Oct 28
DFW
2h 35m
ORD
Oct 31
ORD
2h 35m
DFW
Frontier
Nov 6
DFW
2h 35m
ORD
Nov 7
ORD
2h 49m
DFW
Multiple Airlines
Dec 12
DFW
2h 40m
ORD
Dec 15
ORD
2h 42m
DFW
Spirit Airlines
Dec 13
DFW
2h 25m
ORD
Dec 15
ORD
2h 42m
DFW
Frontier
Oct 29
DFW
2h 35m
ORD
Nov 8
ORD
2h 49m
DFW
Frontier
Nov 7
DFW
2h 24m
MDW
Nov 10
MDW
2h 35m
DFW
Frontier
Nov 3
DFW
11h 38m
1 stop
ORD
Nov 10
ORD
2h 35m
DFW
Frontier
Nov 13
DFW
2h 28m
MDW
Nov 18
MDW
8h 52m
1 stop
DFW
Spirit Airlines
Nov 8
DFW
9h 56m
1 stop
ORD
Nov 10
ORD
2h 40m
DFW
Frontier
Dec 4
DFW
2h 23m
MDW
Dec 8
MDW
2h 42m
DFW
Multiple Airlines
Oct 29
DFW
2h 35m
ORD
Oct 31
ORD
2h 36m
DFW
Frontier
Nov 21
DFW
2h 17m
MDW
Nov 23
MDW
2h 44m
DFW
United Airlines
Nov 7
DEN
2h 14m
MLI
Nov 8
MLI
5h 47m
1 stop
DEN
American Airlines
Dec 2
LGA
5h 45m
1 stop
MLI
Dec 8
MLI
5h 10m
1 stop
LGA
Multiple Airlines
Nov 4
DFW
19h 22m
2 stops
MLI
Nov 6
MLI
14h 03m
1 stop
DFW
American Airlines
Nov 14
JFK
9h 33m
1 stop
MLI
Nov 18
MLI
7h 40m
1 stop
JFK
Multiple Airlines
Nov 12
LAX
18h 06m
1 stop
MLI
Nov 19
MLI
21h 23m
1 stop
LAX
American Airlines
Oct 31
LGA
5h 30m
1 stop
MLI
Nov 1
MLI
5h 26m
1 stop
LGA
American Airlines
Oct 31
JFK
4h 35m
1 stop
MLI
Nov 1
MLI
6h 00m
1 stop
JFK
Delta
Dec 4
DEN
8h 17m
1 stop
MLI
Dec 7
MLI
8h 09m
1 stop
DEN
Multiple Airlines
Nov 4
DFW
26h 54m
1 stop
MLI
Nov 6
MLI
14h 03m
1 stop
DFW
Delta
Feb 21
LGA
8h 34m
1 stop
MLI
Feb 25
MLI
5h 44m
1 stop
LGA
Delta
Oct 29
DEN
6h 23m
1 stop
MLI
Nov 11
MLI
6h 47m
1 stop
DEN
Multiple Airlines
Oct 29
LAX
18h 06m
1 stop
MLI
Nov 2
MLI
26h 44m
1 stop
LAX
Allegiant Air
Nov 14
DEN
1h 57m
PIA
Nov 17
PIA
2h 25m
DEN
Allegiant Air
Dec 29
DEN
1h 57m
PIA
Jan 5
PIA
2h 26m
DEN
Multiple Airlines
Oct 30
DEN
27h 35m
1 stop
PIA
Nov 3
PIA
2h 16m
DEN
Multiple Airlines
Oct 31
MCO
10h 33m
2 stops
PIA
Nov 10
PIA
14h 21m
1 stop
MCO
United Airlines
Dec 8
DEN
2h 11m
PIA
Dec 14
PIA
2h 52m
DEN
Multiple Airlines
Oct 28
PHL
16h 32m
1 stop
PIA
Oct 31
PIA
11h 20m
1 stop
PHL
Multiple Airlines
Dec 4
LAX
21h 30m
1 stop
PIA
Dec 8
PIA
11h 21m
1 stop
LAX
Multiple Airlines
Oct 31
MCO
7h 34m
1 stop
PIA
Nov 10
PIA
14h 21m
1 stop
MCO
United Airlines
Dec 8
DEN
4h 59m
1 stop
PIA
Dec 14
PIA
2h 52m
DEN
Multiple Airlines
Dec 4
LAX
21h 30m
1 stop
PIA
Dec 8
PIA
21h 31m
2 stops
LAX
American Airlines
Dec 8
DEN
7h 56m
1 stop
PIA
Dec 14
PIA
8h 00m
1 stop
DEN
American Airlines
Dec 8
DEN
7h 56m
1 stop
PIA
Dec 14
PIA
5h 08m
1 stop
DEN

Flights to Bloomington, Illinois

Search all flight deals to Bloomington, Illinois
Multiple Airlines
Oct 30
CLT
17h 26m
2 stops
BMI
Nov 2
BMI
11h 22m
1 stop
CLT
Delta
Nov 8
JFK
7h 32m
1 stop
BMI
Nov 15
BMI
5h 51m
1 stop
JFK
Delta
Nov 8
LGA
6h 17m
1 stop
BMI
Nov 15
BMI
5h 15m
1 stop
LGA
Delta
Nov 8
EWR
7h 47m
1 stop
BMI
Nov 15
BMI
7h 28m
1 stop
EWR
Delta
Dec 12
JFK
7h 19m
1 stop
BMI
Dec 13
BMI
5h 49m
1 stop
JFK
Delta
Dec 12
LGA
7h 06m
1 stop
BMI
Dec 13
BMI
5h 13m
1 stop
LGA
Delta
Dec 12
EWR
7h 32m
1 stop
BMI
Dec 13
BMI
7h 27m
1 stop
EWR
Delta
Oct 31
CLT
6h 12m
1 stop
BMI
Nov 10
BMI
3h 44m
1 stop
CLT
Multiple Airlines
Nov 19
DFW
26h 08m
1 stop
BMI
Nov 23
BMI
26h 27m
2 stops
DFW
Delta
Dec 16
DEN
8h 04m
1 stop
BMI
Jan 2
BMI
6h 41m
1 stop
DEN
Multiple Airlines
Nov 19
DFW
26h 08m
1 stop
BMI
Nov 23
BMI
10h 49m
1 stop
DFW
Delta
Nov 13
CLT
6h 03m
1 stop
BMI
Nov 16
BMI
3h 55m
1 stop
CLT
American Airlines
Nov 19
EWR
4h 49m
1 stop
CMI
Dec 3
CMI
4h 56m
1 stop
EWR
American Airlines
Nov 20
JFK
4h 56m
1 stop
CMI
Dec 3
CMI
6h 29m
1 stop
JFK
American Airlines
Nov 19
LGA
5h 00m
1 stop
CMI
Dec 3
CMI
4h 04m
1 stop
LGA
American Airlines
Oct 31
EWR
4h 44m
1 stop
CMI
Nov 4
CMI
4h 45m
1 stop
EWR
American Airlines
Nov 11
SEA
6h 56m
1 stop
CMI
Nov 18
CMI
10h 27m
1 stop
SEA
American Airlines
Oct 30
ATL
5h 09m
1 stop
CMI
Nov 3
CMI
5h 41m
1 stop
ATL
American Airlines
Oct 30
ATL
4h 43m
1 stop
CMI
Nov 3
CMI
7h 58m
2 stops
ATL
American Airlines
Nov 20
EWR
4h 45m
1 stop
CMI
Dec 4
CMI
4h 21m
1 stop
EWR
American Airlines
Nov 19
JFK
4h 34m
1 stop
CMI
Dec 5
CMI
4h 57m
1 stop
JFK
American Airlines
Nov 19
LGA
5h 00m
1 stop
CMI
Dec 5
CMI
5h 26m
1 stop
LGA
American Airlines
Nov 19
DFW
2h 09m
CMI
Nov 23
CMI
2h 29m
DFW
American Airlines
Nov 22
LGA
6h 25m
1 stop
CMI
Dec 3
CMI
5h 43m
1 stop
LGA

Find the cheapest flights from the United States to Illinois

Recent round-trip flight deals from the United States to Illinois

Enter your travel dates to find the best prices.
Frontier Logo
10:24 pm - 12:59 amDFW-ORD
2h 35mnonstop
Frontier Logo
11:12 am - 1:47 pmORD-DFW
2h 35mnonstop
$102Frontier
Find Deal
Tue, Oct 28 - Fri, Oct 31
Frontier Logo
10:24 pm - 12:59 amDFW-ORD
2h 35mnonstop
Frontier Logo
6:20 pm - 9:09 pmORD-DFW
2h 49mnonstop
$103Frontier
Find Deal
Thu, Nov 6 - Fri, Nov 7
Multiple Airlines Logo
7:27 pm - 10:07 pmDFW-ORD
2h 40mnonstop
Multiple Airlines Logo
5:22 pm - 8:04 pmORD-DFW
2h 42mnonstop
$104Multiple Airlines
Find Deal
Fri, Dec 12 - Mon, Dec 15
Spirit Airlines Logo
1:22 pm - 3:47 pmDFW-ORD
2h 25mnonstop
Spirit Airlines Logo
5:22 pm - 8:04 pmORD-DFW
2h 42mnonstop
$105Spirit Airlines
Find Deal
Sat, Dec 13 - Mon, Dec 15
Spirit Airlines Logo
9:32 pm - 7:28 amDFW-ORD
9h 56m1 stop
Spirit Airlines Logo
5:57 pm - 8:37 pmORD-DFW
2h 40mnonstop
$108Spirit Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
American Airlines Logo
11:00 am - 12:40 pmJFK-ORD
2h 40mnonstop
American Airlines Logo
4:06 pm - 7:27 pmORD-JFK
2h 21mnonstop
$137American Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
United Airlines Logo
4:30 pm - 6:12 pmLGA-ORD
2h 42mnonstop
United Airlines Logo
6:30 pm - 9:46 pmORD-LGA
2h 16mnonstop
$137United Airlines
Find Deal
Sat, Nov 1 - Tue, Nov 4
American Airlines Logo
7:30 am - 9:11 amLGA-ORD
2h 41mnonstop
American Airlines Logo
7:35 am - 10:44 amORD-LGA
2h 09mnonstop
$138American Airlines
Find Deal
Thu, Oct 30 - Mon, Nov 3
United Airlines Logo
6:15 am - 7:32 amBWI-ORD
2h 17mnonstop
United Airlines Logo
6:25 pm - 9:25 pmORD-BWI
2h 00mnonstop
$139United Airlines
Find Deal
Sat, Nov 15 - Sat, Nov 15
Southwest Logo
7:05 am - 10:35 pmSEA-ORD
13h 30m1 stop
Southwest Logo
6:15 pm - 1:25 amORD-SEA
9h 10m1 stop
$242Southwest
Find Deal
Wed, Nov 19 - Sat, Nov 22

momondo Fare Finder

 
Locate flights to Illinois that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 832,500 searches and data was last updated on October 16, 2025.
Use the filters below to find and compare flights to Illinois that are best for you.

Fly from

Route

Depart

Return

Price

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Tue 10/28

10:24 pm-12:59 am

Nonstop2h 35m

Chicago O'Hare Intl

Fri 10/31

11:12 am-1:47 pm

Nonstop2h 35m

$102

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Thu 11/6

10:24 pm-12:59 am

Nonstop2h 35m

Chicago O'Hare Intl

Fri 11/7

6:20 pm-9:09 pm

Nonstop2h 49m

$103

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Fri 12/12

7:27 pm-10:07 pm

Nonstop2h 40m

Chicago O'Hare Intl

Mon 12/15

5:22 pm-8:04 pm

Nonstop2h 42m

$104

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 12/13

1:22 pm-3:47 pm

Nonstop2h 25m

Chicago O'Hare Intl

Mon 12/15

5:22 pm-8:04 pm

Nonstop2h 42m

$105

DallasChicago

DFW - ORD

DFWORD

Dallas/Fort Worth

Sat 11/8

9:32 pm-7:28 am

1 stop9h 56m

Chicago O'Hare Intl

Mon 11/10

5:57 pm-8:37 pm

Nonstop2h 40m

$108

New YorkChicago

JFK - ORD

JFKORD

New York John F Kennedy Intl

Sat 11/1

11:00 am-12:40 pm

Nonstop2h 40m

Chicago O'Hare Intl

Tue 11/4

4:06 pm-7:27 pm

Nonstop2h 21m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Sat 11/1

4:30 pm-6:12 pm

Nonstop2h 42m

Chicago O'Hare Intl

Tue 11/4

6:30 pm-9:46 pm

Nonstop2h 16m

$137

New YorkChicago

LGA - ORD

LGAORD

New York LaGuardia

Thu 10/30

7:30 am-9:11 am

Nonstop2h 41m

Chicago O'Hare Intl

Mon 11/3

7:35 am-10:44 am

Nonstop2h 09m

$138

BaltimoreChicago

BWI - ORD

BWIORD

Baltimore/Washington

Sat 11/15

6:15 am-7:32 am

Nonstop2h 17m

Chicago O'Hare Intl

Sat 11/15

6:25 pm-9:25 pm

Nonstop2h 00m

$139

SeattleChicago

SEA - ORD

SEAORD

Seattle/Tacoma Intl

Wed 11/19

7:05 am-10:35 pm

1 stop13h 30m

Chicago O'Hare Intl

Sat 11/22

6:15 pm-1:25 am

1 stop9h 10m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Illinois from

Illinois flights insights and trends

Explore insights for your Illinois flight to craft the best travel plan

What is the cheapest flight I can find to Illinois?

Flights to Illinois vary based on month, airline, when you book, where you are departing from and many more variables, but on average momondo users can expect to spend about $682/pp. The absolute cheapest flight to Illinois is $34/pp
See prices from:

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

The cheapest day to depart from United States to Illinois is on a Thursday when prices can be found for as low as $359. Flights from United States to Illinois on a Sunday will generally be more expensive and average around $452. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Cheapest flights to cities in Illinois

Click on the cities below to find out when it's cheapest to fly to Illinois from United States
Chicago
Chicago

Cheap Illinois flight deals and tips

Summary info about Illinois flight prices, duration and airlines

Best One-Way Price

$51

Best Round-Trip Price

$102

Fastest flight time

2h 16m

Popular in

June
The best one-way flight price to Illinois from United States in the last 72 hours is $51 (Dallas/Fort Worth to Chicago O'Hare Intl).
The best round-trip flight price to Illinois from United States in the last 72 hours is $102 (Dallas/Fort Worth to Chicago O'Hare Intl).
The fastest flight to Illinois from United States takes 2h 16m (Baltimore/Washington to Chicago O'Hare Intl).
June has the highest demand for flights to Illinois, with a 5% price increase on average.

Frequently asked questions about flying to Illinois

What is the best airport to fly into to visit Chicago?

I plan on visiting Magnificent Mile. Which airport is the quickest drive?

The closest airport to Magnificent Mile is Chicago O'Hare Intl Airport, and would make for the quickest drive. For those interested in a secondary airport to fly into, consider looking at flights heading to Chicago Midway Airport.

What are the most popular landmarks in Illinois?

What is the weather like in Illinois?

Temperatures in Illinois can vary between 23 °F and 73.4 °F based on the time of year. Typically, the coldest month in Illinois will be January, and the warmest month will be July. It is also worth noting that those looking to avoid rain and/or snow should consider traveling to Illinois in January, February, and December, as that is when precipitation is least likely.

What airlines fly to Illinois?

How much are flights to Illinois?

The cheapest flight to Illinois recently found on momondo was $34. If you’re unable to find a flight deal this cheap, keep in mind that anything less than $529 is considered a good price for flights to Illinois. $687 is the average cost to fly to Illinois, while $11,745 is the most expensive.

What is the best day of the week to fly to Illinois?

Flying to Illinois on a Thursday or Wednesday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Illinois is on a Sunday.

Where is it cheapest to fly into Illinois?

If you're headed to Illinois, consider flying into Chicago O'Hare Intl airport in Chicago for the best deals, with an average airfare of $34. Alternatively, Quincy Regional airport in Quincy is a close second for cheapest flights to Illinois with an average airfare of $34.

When did momondo last update prices for flights to Illinois?

Prices for flights to Illinois are updated daily.

How many operators does momondo search for flights to Illinois?

How old do you have to be to fly to Illinois?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight to Illinois. momondo saves you time and could save you money on your trip.

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

Yes. All flights to Illinois on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights to Illinois?

Once all potential 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 to Illinois right now. Can momondo alert me if prices change?

Price alerts on flights to Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 11/15
Sat 11/22

Find better results for your trip to Illinois