When did momondo last update prices for flights from London Airport to Illinois?

Prices for flights from London Airport to Illinois were last updated today.

How old do you have to be to fly from London Airport to Illinois?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Illinois.

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

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$259 Cheap Flights from London to Illinois in 2025/26

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Find the cheapest flights from London, Ontario to Illinois

Round-trip

One-way

Cheap round-trip flights

8:00 pm - 4:43 pmYXU-ORD

21h 43m1 stop

5:30 pm - 7:12 pmORD-YXU

24h 42m1 stop

$372WestJet

Find Deal

mié., oct. 22 - sáb., oct. 25

6:00 am - 11:59 pmYXU-ORD

18h 59m2 stops

5:30 pm - 7:12 pmORD-YXU

24h 42m1 stop

$434Multiple Airlines

Find Deal

mié., oct. 22 - sáb., oct. 25

9:25 am - 3:10 pmYXU-ORD

6h 45m1 stop

2:00 pm - 9:21 pmORD-YXU

6h 21m1 stop

$468Air Canada

Find Deal

dom., nov. 2 - dom., nov. 9

9:25 am - 1:01 pmYXU-ORD

4h 36m1 stop

10:00 am - 5:05 pmORD-YXU

6h 05m1 stop

$477Air Canada

Find Deal

sáb., nov. 8 - lun., nov. 10

5:15 am - 9:13 amYXU-ORD

4h 58m1 stop

2:00 pm - 9:21 pmORD-YXU

6h 21m1 stop

$478Air Canada

Find Deal

mié., dic. 3 - sáb., dic. 6

5:15 am - 2:55 pmYXU-ORD

10h 40m2 stops

10:00 am - 5:05 pmORD-YXU

6h 05m1 stop

$483Air Canada

Find Deal

mié., dic. 3 - sáb., dic. 6

9:55 am - 8:17 pmYXU-ORD

11h 22m2 stops

10:40 am - 9:27 pmORD-YXU

9h 47m2 stops

$488Air Canada

Find Deal

mié., oct. 22 - sáb., oct. 25

5:40 pm - 7:41 amYXU-ORD

15h 01m2 stops

10:00 am - 5:05 pmORD-YXU

6h 05m1 stop

$528United Airlines

Find Deal

dom., nov. 2 - dom., nov. 9

6:00 am - 12:31 pmYXU-ORD

31h 31m3 stops

4:45 pm - 7:12 pmORD-YXU

25h 27m3 stops

$533Multiple Airlines

Find Deal

mié., oct. 22 - sáb., oct. 25

5:40 pm - 7:41 amYXU-ORD

15h 01m2 stops

8:50 am - 5:05 pmORD-YXU

7h 15m2 stops

$548United Airlines

Find Deal

dom., nov. 2 - dom., nov. 9

Air Canada flights from London, Ontario to Illinois

Our best Air Canada deals on London, Ontario to Illinois flight tickets

Air Canada

Nov 2

YXU9:25 amLondon

6h 45m

1 stop

ORD3:10 pmChicago O'Hare Intl

Nov 9

ORD2:00 pmChicago O'Hare Intl

6h 21m

1 stop

YXU9:21 pmLondon

$468

Find similar

Air Canada

Nov 8

YXU9:25 amLondon

4h 36m

1 stop

ORD1:01 pmChicago O'Hare Intl

Nov 10

ORD10:00 amChicago O'Hare Intl

6h 05m

1 stop

YXU5:05 pmLondon

$477

Find similar

Air Canada

Dec 3

YXU5:15 amLondon

4h 58m

1 stop

ORD9:13 amChicago O'Hare Intl

Dec 6

ORD2:00 pmChicago O'Hare Intl

6h 21m

1 stop

YXU9:21 pmLondon

$478

Find similar

WestJet flights from London, Ontario to Illinois

Our best WestJet deals on London, Ontario to Illinois flight tickets

WestJet

Oct 22

YXU8:00 pmLondon

21h 43m

1 stop

ORD4:43 pmChicago O'Hare Intl

Oct 25

ORD5:30 pmChicago O'Hare Intl

24h 42m

1 stop

YXU7:12 pmLondon

$372

Find similar

WestJet

Oct 22

YXU6:00 amLondon

32h 08m

3 stops

MDW1:08 pmChicago Midway

Oct 25

MDW9:20 amChicago Midway

32h 52m

3 stops

YXU7:12 pmLondon

$756

Find similar

WestJet

Dec 3

YXU8:10 pmLondon

17h 58m

2 stops

MDW1:08 pmChicago Midway

Dec 6

MDW11:05 amChicago Midway

31h 07m

2 stops

YXU7:12 pmLondon

$1,500

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from London, Ontario to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

mié. 10/22

8:00 pm-4:43 pm

1 stop21h 43m

Chicago O'Hare Intl

sáb. 10/25

5:30 pm-7:12 pm

1 stop24h 42m

$372

LondonChicago

YXU - ORD

YXUORD

London

mié. 10/22

6:00 am-11:59 pm

2 stops18h 59m

Chicago O'Hare Intl

sáb. 10/25

5:30 pm-7:12 pm

1 stop24h 42m

$434

LondonChicago

YXU - ORD

YXUORD

London

dom. 11/2

9:25 am-3:10 pm

1 stop6h 45m

Chicago O'Hare Intl

dom. 11/9

2:00 pm-9:21 pm

1 stop6h 21m

$468

LondonChicago

YXU - ORD

YXUORD

London

sáb. 11/8

9:25 am-1:01 pm

1 stop4h 36m

Chicago O'Hare Intl

lun. 11/10

10:00 am-5:05 pm

1 stop6h 05m

$477

LondonChicago

YXU - ORD

YXUORD

London

mié. 12/3

5:15 am-9:13 am

1 stop4h 58m

Chicago O'Hare Intl

sáb. 12/6

2:00 pm-9:21 pm

1 stop6h 21m

$478

LondonChicago

YXU - ORD

YXUORD

London

mié. 12/3

5:15 am-2:55 pm

2 stops10h 40m

Chicago O'Hare Intl

sáb. 12/6

10:00 am-5:05 pm

1 stop6h 05m

$483

LondonChicago

YXU - ORD

YXUORD

London

mié. 10/22

9:55 am-8:17 pm

2 stops11h 22m

Chicago O'Hare Intl

sáb. 10/25

10:40 am-9:27 pm

2 stops9h 47m

$488

LondonChicago

YXU - ORD

YXUORD

London

dom. 11/2

5:40 pm-7:41 am

2 stops15h 01m

Chicago O'Hare Intl

dom. 11/9

10:00 am-5:05 pm

1 stop6h 05m

$528

LondonChicago

YXU - ORD

YXUORD

London

mié. 10/22

6:00 am-12:31 pm

3 stops31h 31m

Chicago O'Hare Intl

sáb. 10/25

4:45 pm-7:12 pm

3 stops25h 27m

$533

LondonChicago

YXU - ORD

YXUORD

London

dom. 11/2

5:40 pm-7:41 am

2 stops15h 01m

Chicago O'Hare Intl

dom. 11/9

8:50 am-5:05 pm

2 stops7h 15m

$548

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first

How to get the cheapest flight ticket from London, Ontario 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 airline that flies from London to Illinois?

Air Canada is the most popular carrier operating from London to Illinois

What airlines fly to Illinois?

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Illinois from London, Ontario according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 3 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

Cheap London, Ontario to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London, Ontario to Illinois

Direct flights	None

There are no direct flights from London, Ontario to Illinois. There are no popular flight routes from London, Ontario to Illinois.

Search flight deals

When did momondo last update prices for flights from London Airport to Illinois?
Prices for flights from London Airport to Illinois were last updated today.
How old do you have to be to fly from London Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Illinois for you.

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

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

How can momondo help me find flights from London to Illinois?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Illinois.

I’m not ready to book a flight from London to Illinois right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Illinois from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.