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Flights to Illinois

Cheap flights to Illinois from $48

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 8/13. 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
From?
To?
mar. 6/18
mar. 6/25

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Recent flights found to popular cities in Illinois

Find flights to these popular cities in Illinois from your nearest airport.
Frontier
Aug 13
PHL
2h 24m
ORD
Aug 21
ORD
2h 03m
PHL
Frontier
Sep 10
DFW
2h 41m
ORD
Sep 14
ORD
2h 37m
DFW
Frontier
Aug 17
PHL
2h 24m
ORD
Aug 20
ORD
2h 03m
PHL
Frontier
Sep 10
DFW
2h 41m
ORD
Sep 14
ORD
2h 37m
DFW
Frontier
Aug 22
PHL
2h 24m
ORD
Aug 27
ORD
2h 03m
PHL
Frontier
Aug 6
DFW
2h 34m
ORD
Aug 13
ORD
2h 37m
DFW
Frontier
Aug 6
PHL
2h 21m
ORD
Aug 14
ORD
2h 03m
PHL
Frontier
Aug 20
DFW
2h 41m
ORD
Aug 21
ORD
2h 37m
DFW
Frontier
Jul 23
DFW
2h 34m
ORD
Sep 11
ORD
2h 37m
DFW
Frontier
Aug 17
DFW
2h 39m
ORD
Aug 20
ORD
2h 37m
DFW
Frontier
Jul 16
PHL
2h 21m
ORD
Jul 17
ORD
2h 03m
PHL
Spirit Airlines
Sep 4
DFW
2h 29m
ORD
Sep 7
ORD
2h 30m
DFW
American Airlines
Aug 2
DEN
7h 29m
1 stop
MLI
Aug 6
MLI
7h 29m
1 stop
DEN
American Airlines
Sep 7
DEN
7h 17m
1 stop
MLI
Sep 9
MLI
5h 28m
1 stop
DEN
United Airlines
Jul 2
DCA
4h 44m
1 stop
MLI
Jul 5
MLI
6h 18m
1 stop
DCA
American Airlines
Jul 10
BWI
6h 56m
1 stop
MLI
Jul 17
MLI
6h 27m
1 stop
BWI
Delta
Jul 23
DCA
5h 03m
1 stop
MLI
Jul 30
MLI
5h 45m
1 stop
DCA
American Airlines
Jul 10
IAD
7h 32m
1 stop
MLI
Jul 17
MLI
6h 33m
1 stop
IAD
American Airlines
Aug 7
BDL
5h 00m
1 stop
MLI
Aug 16
MLI
4h 19m
1 stop
BDL
American Airlines
Aug 10
DEN
6h 51m
1 stop
MLI
Aug 13
MLI
7h 00m
1 stop
DEN
American Airlines
Nov 20
DEN
4h 11m
1 stop
MLI
Nov 24
MLI
5h 28m
1 stop
DEN
United Airlines
Jul 1
DCA
5h 17m
1 stop
MLI
Jul 5
MLI
6h 18m
1 stop
DCA
Delta
Jul 23
IAD
7h 35m
1 stop
MLI
Jul 30
MLI
7h 04m
1 stop
IAD
United Airlines
Aug 6
BDL
5h 06m
1 stop
MLI
Aug 17
MLI
6h 31m
1 stop
BDL
Allegiant Air
Aug 9
DEN
2h 00m
PIA
Aug 12
PIA
2h 20m
DEN
Allegiant Air
Aug 2
DEN
2h 00m
PIA
Aug 5
PIA
2h 20m
DEN
Allegiant Air
Jun 24
DEN
2h 04m
PIA
Jul 1
PIA
2h 19m
DEN
Allegiant Air
Jul 1
DEN
2h 04m
PIA
Jul 5
PIA
2h 20m
DEN
American Airlines
Aug 20
DEN
8h 04m
1 stop
PIA
Aug 25
PIA
9h 21m
1 stop
DEN
American Airlines
Jul 24
EWR
5h 16m
1 stop
PIA
Aug 7
PIA
5h 11m
1 stop
EWR
American Airlines
Jul 12
LGA
6h 28m
1 stop
PIA
Jul 20
PIA
6h 05m
1 stop
LGA
American Airlines
Jul 12
DEN
4h 19m
1 stop
PIA
Jul 19
PIA
4h 49m
1 stop
DEN
Allegiant Air
Jul 12
DEN
2h 00m
PIA
Jul 19
PIA
2h 20m
DEN
American Airlines
Aug 30
DCA
6h 09m
1 stop
PIA
Sep 1
PIA
3h 50m
1 stop
DCA
American Airlines
Jul 24
EWR
5h 16m
1 stop
PIA
Jul 27
PIA
4h 23m
1 stop
EWR
American Airlines
Sep 26
DEN
8h 43m
1 stop
PIA
Sep 30
PIA
6h 54m
1 stop
DEN
American Airlines
Sep 11
EWR
6h 30m
1 stop
CMI
Sep 17
CMI
4h 41m
1 stop
EWR
American Airlines
Sep 11
JFK
5h 06m
1 stop
CMI
Sep 17
CMI
4h 14m
1 stop
JFK
American Airlines
Aug 2
TPA
5h 54m
1 stop
CMI
Aug 6
CMI
6h 08m
1 stop
TPA
American Airlines
Aug 2
TPA
5h 54m
1 stop
CMI
Aug 6
CMI
8h 09m
2 stops
TPA
American Airlines
Jul 10
DFW
2h 04m
CMI
Jul 23
CMI
2h 18m
DFW
American Airlines
Sep 5
DFW
2h 05m
CMI
Sep 8
CMI
2h 23m
DFW
American Airlines
Jul 10
DFW
5h 47m
1 stop
CMI
Jul 23
CMI
2h 19m
DFW
American Airlines
Sep 5
DFW
6h 29m
1 stop
CMI
Sep 8
CMI
2h 23m
DFW
American Airlines
Sep 18
DEN
7h 01m
1 stop
CMI
Sep 22
CMI
6h 28m
1 stop
DEN
American Airlines
Aug 2
TPA
11h 18m
2 stops
CMI
Aug 6
CMI
7h 40m
2 stops
TPA
American Airlines
Aug 6
BOS
5h 02m
1 stop
CMI
Aug 16
CMI
4h 47m
1 stop
BOS
American Airlines
Sep 12
TPA
4h 54m
1 stop
CMI
Sep 15
CMI
7h 06m
1 stop
TPA

Flights to Bloomington, Illinois

Search all flight deals to Bloomington, Illinois
Frontier
Jul 11
DEN
2h 15m
BMI
Jul 14
BMI
2h 33m
DEN
Frontier
Jul 18
DEN
2h 15m
BMI
Jul 21
BMI
2h 33m
DEN
Frontier
Aug 1
DEN
2h 15m
BMI
Aug 4
BMI
2h 33m
DEN
Frontier
Jul 10
DFW
17h 35m
1 stop
BMI
Jul 12
BMI
8h 31m
1 stop
DFW
Multiple Airlines
Jul 12
ATL
11h 31m
1 stop
BMI
Jul 15
BMI
17h 53m
2 stops
ATL
Frontier
Oct 4
DEN
2h 14m
BMI
Oct 6
BMI
2h 26m
DEN
Frontier
Sep 19
MCO
11h 59m
1 stop
BMI
Sep 22
BMI
11h 33m
1 stop
MCO
Frontier
Jul 10
ATL
28h 43m
1 stop
BMI
Jul 16
BMI
17h 23m
1 stop
ATL
Frontier
Jul 17
ATL
28h 43m
1 stop
BMI
Jul 19
BMI
13h 00m
1 stop
ATL
Multiple Airlines
Jun 24
ATL
11h 15m
1 stop
BMI
Jul 1
BMI
17h 19m
2 stops
ATL
Frontier
Oct 13
DEN
2h 15m
BMI
Oct 20
BMI
2h 26m
DEN
Multiple Airlines
Jul 12
ATL
14h 52m
2 stops
BMI
Jul 15
BMI
17h 53m
2 stops
ATL

Search last-minute flights to Illinois

Frontier
Jun 22
PHL10:42 pmPhiladelphia
2h 21m
ORD12:03 amChicago O'Hare Intl
Jul 1
ORD5:01 amChicago O'Hare Intl
2h 02m
PHL8:03 amPhiladelphia
Spirit Airlines
Jun 18
LGA8:10 pmNew York LaGuardia
2h 42m
ORD9:52 pmChicago O'Hare Intl
Jun 25
ORD11:24 amChicago O'Hare Intl
1h 57m
LGA2:21 pmNew York LaGuardia
Multiple Airlines
Jun 19
LGA12:29 pmNew York LaGuardia
7h 31m
1 stop
ORD7:00 pmChicago O'Hare Intl
Jun 26
ORD11:24 amChicago O'Hare Intl
1h 57m
LGA2:21 pmNew York LaGuardia
Frontier
Jun 22
PHL10:42 pmPhiladelphia
2h 21m
ORD12:03 amChicago O'Hare Intl
Jun 28
ORD5:01 amChicago O'Hare Intl
2h 02m
PHL8:03 amPhiladelphia
American Airlines
Jun 23
PHL6:00 amPhiladelphia
2h 23m
ORD7:23 amChicago O'Hare Intl
Jun 26
ORD6:52 amChicago O'Hare Intl
1h 58m
PHL9:50 amPhiladelphia
Delta
Jun 18
JFK3:29 pmNew York John F Kennedy Intl
2h 58m
ORD5:27 pmChicago O'Hare Intl
Jul 9
ORD6:20 pmChicago O'Hare Intl
2h 41m
JFK10:01 pmNew York John F Kennedy Intl

Find the cheapest direct flights to Illinois

Frontier
Sep 10
DFW10:42 pmDallas/Fort Worth
2h 41m
ORD1:23 amChicago O'Hare Intl
Sep 14
ORD3:46 pmChicago O'Hare Intl
2h 37m
DFW6:23 pmDallas/Fort Worth
Spirit Airlines
Sep 4
DFW5:30 pmDallas/Fort Worth
2h 29m
ORD7:59 pmChicago O'Hare Intl
Sep 7
ORD7:20 amChicago O'Hare Intl
2h 30m
DFW9:50 amDallas/Fort Worth
Multiple Airlines
Jul 30
DFW10:25 pmDallas/Fort Worth
2h 34m
ORD12:59 amChicago O'Hare Intl
Jul 31
ORD7:01 amChicago O'Hare Intl
2h 32m
DFW9:33 amDallas/Fort Worth
United Airlines
Aug 7
PHL6:24 amPhiladelphia
2h 24m
ORD7:48 amChicago O'Hare Intl
Aug 7
ORD9:21 pmChicago O'Hare Intl
2h 08m
PHL12:29 amPhiladelphia
Alaska Airlines
Oct 29
SEA6:06 pmSeattle/Tacoma Intl
3h 53m
ORD11:59 pmChicago O'Hare Intl
Nov 5
ORD5:54 pmChicago O'Hare Intl
4h 41m
SEA8:35 pmSeattle/Tacoma Intl
JetBlue
Sep 7
JFK3:20 pmNew York John F Kennedy Intl
2h 50m
ORD5:10 pmChicago O'Hare Intl
Sep 10
ORD6:05 pmChicago O'Hare Intl
2h 31m
JFK9:36 pmNew York John F Kennedy Intl

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 $818/pp. The absolute cheapest flight to Illinois is $23/pp
See prices from:

How long is the flight from United States to Illinois?

The flight from United States to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Los Angeles (a popular airport in United States) to Chicago O'Hare Intl (the most popular airport in Illinois), then the flight time is 4h on average. If you fly from Miami (another popular airport in United States) to Chicago O'Hare Intl, then the average flight time is 3h 21m.

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

Flying to Illinois on a Saturday 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.

What airlines fly to Illinois?

United Airlines, American Airlines and Spirit Airlines are the top three most popular airlines that fly to Illinois according to our data. United Airlines is the first choice among our users, with 42% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 13 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

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

$29

Best Round-Trip Price

$48

Fastest flight time

2h 21m

Operated By

3 airlines
The best one-way flight price to Illinois from United States in the last 72 hours is $29 (Philadelphia to Chicago O'Hare Intl).
The best round-trip flight price to Illinois from United States in the last 72 hours is $48 (Philadelphia to Chicago O'Hare Intl).
The fastest flight to Illinois from United States takes 2h 21m (Philadelphia to Chicago O'Hare Intl).
There are 3 airlines operating flights to Illinois, including Frontier, Spirit Airlines and Delta.

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.

How much are flights to Illinois?

The cheapest flight to Illinois recently found on momondo was $23. If you’re unable to find a flight deal this cheap, keep in mind that anything less than $628 is considered a good price for flights to Illinois. $809 is the average cost to fly to Illinois, while $21,730 is the most expensive.

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 $23. Alternatively, Quincy Regional airport in Quincy is a close second for cheapest flights to Illinois with an average airfare of $46.

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.

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1 adult
From?
To?
mar. 6/18
mar. 6/25
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