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

Prices for flights from London Airport to Illinois are refreshed on a daily basis.

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.

C$ 382 Cheap Flights from London to Illinois in 2026

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Find the cheapest flights from London, Ontario to Illinois

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

9:30 a.m. - 1:25 p.m.

YXU

ORD

4h 55m

1 stop

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

C$ 700Air Canada

Sat, 2 May - Tue, 5 May

5:10 a.m. - 9:05 a.m.

YXU

ORD

4h 55m

1 stop

2:15 p.m. - 9:38 p.m.

ORD

YXU

6h 23m

1 stop

C$ 703Air Canada

Sat, 2 May - Tue, 5 May

5:10 a.m. - 9:05 a.m.

YXU

ORD

4h 55m

1 stop

11:05 a.m. - 9:38 p.m.

ORD

YXU

9h 33m

2 stops

C$ 704Air Canada

Sat, 2 May - Tue, 5 May

9:25 a.m. - 1:05 p.m.

YXU

ORD

4h 40m

1 stop

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

C$ 706Air Canada

Thu, 30 Apr - Mon, 4 May

12:20 p.m. - 8:08 p.m.

YXU

ORD

8h 48m

2 stops

2:15 p.m. - 9:38 p.m.

ORD

YXU

6h 23m

1 stop

C$ 707Air Canada

Sat, 2 May - Tue, 5 May

12:20 p.m. - 8:08 p.m.

YXU

ORD

8h 48m

2 stops

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

C$ 708Air Canada

Sat, 2 May - Tue, 5 May

5:55 p.m. - 2:35 p.m.

YXU

MDW

21h 40m

3 stops

10:30 a.m. - 5:20 a.m.

MDW

YXU

17h 50m

3 stops

C$ 1,316Multiple Airlines

Mon, 4 May - Wed, 6 May

6:10 a.m. - 5:58 p.m.

YXU

MDW

12h 48m

2 stops

9:29 a.m. - 5:20 a.m.

MDW

YXU

18h 51m

2 stops

C$ 1,884WestJet

Mon, 4 May - Wed, 6 May

6:10 a.m. - 6:31 p.m.

YXU

MDW

13h 21m

2 stops

6:55 p.m. - 1:50 p.m.

MDW

YXU

17h 55m

2 stops

C$ 2,008WestJet

Wed, 1 Jul - Sat, 4 Jul

6:10 a.m. - 8:47 a.m.

YXU

MDW

27h 37m

2 stops

9:29 a.m. - 5:20 a.m.

MDW

YXU

18h 51m

2 stops

C$ 2,248WestJet

Thu, 30 Apr - Mon, 4 May

United Airlines flights from London, Ontario to Illinois

Our best United Airlines deals on London, Ontario to Illinois flight tickets

United Airlines

4 May

YXU9:30 a.m.London

4h 55m

1 stop

ORD1:25 p.m.Chicago O'Hare Intl

6 May

ORD12:55 p.m.Chicago O'Hare Intl

7h 43m

2 stops

YXU9:38 p.m.London

C$ 790

United Airlines

4 May

YXU9:30 a.m.London

10h 52m

2 stops

ORD7:22 p.m.Chicago O'Hare Intl

6 May

ORD11:00 a.m.Chicago O'Hare Intl

9h 38m

2 stops

YXU9:38 p.m.London

C$ 798

United Airlines

8 May

YXU12:20 p.m.London

10h 20m

2 stops

ORD9:40 p.m.Chicago O'Hare Intl

15 May

ORD12:55 p.m.Chicago O'Hare Intl

7h 43m

2 stops

YXU9:38 p.m.London

C$ 830

WestJet flights from London, Ontario to Illinois

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

WestJet

1 Jul

YXU6:10 a.m.London

11h 52m

2 stops

ORD5:02 p.m.Chicago O'Hare Intl

4 Jul

ORD5:30 p.m.Chicago O'Hare Intl

19h 20m

2 stops

YXU1:50 p.m.London

C$ 1,763

WestJet

4 May

YXU6:10 a.m.London

12h 48m

2 stops

MDW5:58 p.m.Chicago Midway

6 May

MDW9:29 a.m.Chicago Midway

18h 51m

2 stops

YXU5:20 a.m.London

C$ 1,884

WestJet

1 Jul

YXU6:10 a.m.London

13h 21m

2 stops

MDW6:31 p.m.Chicago Midway

4 Jul

MDW6:55 p.m.Chicago Midway

17h 55m

2 stops

YXU1:50 p.m.London

C$ 2,008

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Sat 2/5

9:30 a.m.-1:25 p.m.

1 stop4h 55m

Chicago O'Hare Intl

Tue 5/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 700

LondonChicago

YXU - ORD

YXUORD

London

Sat 2/5

5:10 a.m.-9:05 a.m.

1 stop4h 55m

Chicago O'Hare Intl

Tue 5/5

2:15 p.m.-9:38 p.m.

1 stop6h 23m

C$ 703

LondonChicago

YXU - ORD

YXUORD

London

Sat 2/5

5:10 a.m.-9:05 a.m.

1 stop4h 55m

Chicago O'Hare Intl

Tue 5/5

11:05 a.m.-9:38 p.m.

2 stops9h 33m

C$ 704

Quickest round-trip

LondonChicago

YXU - ORD

YXUORD

London

Thu 30/4

9:25 a.m.-1:05 p.m.

1 stop4h 40m

Chicago O'Hare Intl

Mon 4/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 706

LondonChicago

YXU - ORD

YXUORD

London

Sat 2/5

12:20 p.m.-8:08 p.m.

2 stops8h 48m

Chicago O'Hare Intl

Tue 5/5

2:15 p.m.-9:38 p.m.

1 stop6h 23m

C$ 707

LondonChicago

YXU - ORD

YXUORD

London

Sat 2/5

12:20 p.m.-8:08 p.m.

2 stops8h 48m

Chicago O'Hare Intl

Tue 5/5

3:50 p.m.-9:38 p.m.

1 stop4h 48m

C$ 708

LondonChicago

YXU - MDW

YXUMDW

London

Mon 4/5

5:55 p.m.-2:35 p.m.

3 stops21h 40m

Chicago Midway

Wed 6/5

10:30 a.m.-5:20 a.m.

3 stops17h 50m

C$ 1,316

LondonChicago

YXU - MDW

YXUMDW

London

Mon 4/5

6:10 a.m.-5:58 p.m.

2 stops12h 48m

Chicago Midway

Wed 6/5

9:29 a.m.-5:20 a.m.

2 stops18h 51m

C$ 1,884

LondonChicago

YXU - MDW

YXUMDW

London

Wed 1/7

6:10 a.m.-6:31 p.m.

2 stops13h 21m

Chicago Midway

Sat 4/7

6:55 p.m.-1:50 p.m.

2 stops17h 55m

C$ 2,008

LondonChicago

YXU - MDW

YXUMDW

London

Thu 30/4

6:10 a.m.-8:47 a.m.

2 stops27h 37m

Chicago Midway

Mon 4/5

9:29 a.m.-5:20 a.m.

2 stops18h 51m

C$ 2,248

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 and United Airlines are the most popular carriers operating from London to Illinois

Which 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 62% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 5 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

Fastest flight time	5h 03m
Direct flights	None

The fastest flight from London, Ontario to Illinois takes 5h 03m

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 are refreshed on a daily basis.
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?

It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.

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

Yes. momondo enables you to select and highlight flights to Illinois from London with this policy.

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

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

Of course. momondo tracks the price of London to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.