What is the cheapest airline that flies from Chicago to London?

Air Canada, WestJet, and United Airlines are the most popular carriers operating from Chicago to London

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

Prices for flights from Chicago to London Airport are updated daily.

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

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 from Chicago to London Airport.

What documentation or ID do you need to fly to London Airport?

The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

C$ 256 Cheap Flights from Chicago to London in 2025/26

1 adult

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Find the cheapest flights from Chicago to London

Round-trip

One-way

Cheap round-trip flights

5:30 p.m. - 5:12 a.m.ORD-YXU

10h 42m1 stop

8:00 p.m. - 4:43 p.m.YXU-ORD

21h 43m1 stop

C$ 468WestJet

Find Deal

Thu, 9 Oct - Wed, 15 Oct

5:30 p.m. - 5:12 a.m.ORD-YXU

10h 42m1 stop

6:00 a.m. - 12:31 p.m.YXU-ORD

31h 31m2 stops

C$ 537Multiple Airlines

Find Deal

Thu, 9 Oct - Wed, 15 Oct

1:26 p.m. - 7:12 p.m.ORD-YXU

28h 46m2 stops

8:10 p.m. - 1:35 p.m.YXU-ORD

18h 25m1 stop

C$ 638Multiple Airlines

Find Deal

Thu, 30 Oct - Thu, 6 Nov

5:30 p.m. - 5:12 a.m.ORD-YXU

10h 42m1 stop

6:00 a.m. - 12:31 p.m.YXU-ORD

31h 31m3 stops

C$ 689Multiple Airlines

Find Deal

Thu, 9 Oct - Wed, 15 Oct

1:26 p.m. - 5:12 a.m.ORD-YXU

14h 46m2 stops

6:00 a.m. - 12:31 p.m.YXU-ORD

31h 31m3 stops

C$ 801Multiple Airlines

Find Deal

Thu, 9 Oct - Wed, 15 Oct

10:00 a.m. - 5:06 p.m.ORD-YXU

6h 06m1 stop

9:25 a.m. - 1:01 p.m.YXU-ORD

4h 36m1 stop

C$ 825Air Canada

Find Deal

Thu, 30 Oct - Thu, 6 Nov

10:00 a.m. - 5:05 p.m.ORD-YXU

6h 05m1 stop

5:15 a.m. - 11:18 a.m.YXU-ORD

7h 03m2 stops

C$ 834Air Canada

Find Deal

Sat, 1 Nov - Sat, 8 Nov

9:55 a.m. - 3:02 p.m.ORD-YXU

4h 07m1 stop

9:55 a.m. - 3:04 p.m.YXU-ORD

6h 09m1 stop

C$ 865Air Canada

Find Deal

Thu, 9 Oct - Wed, 15 Oct

10:00 a.m. - 5:06 p.m.ORD-YXU

6h 06m1 stop

5:45 a.m. - 9:13 a.m.YXU-ORD

4h 28m1 stop

C$ 915United Airlines

Find Deal

Thu, 30 Oct - Thu, 6 Nov

7:15 a.m. - 5:06 p.m.ORD-YXU

8h 51m2 stops

9:25 a.m. - 3:10 p.m.YXU-ORD

6h 45m1 stop

C$ 927United Airlines

Find Deal

Thu, 30 Oct - Thu, 6 Nov

Air Canada flights from Chicago to London, Ontario

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

Air Canada

30 Oct

ORD10:00 a.m.Chicago O'Hare Intl

6h 06m

1 stop

YXU5:06 p.m.London

6 Nov

YXU9:25 a.m.London

4h 36m

1 stop

ORD1:01 p.m.Chicago O'Hare Intl

C$ 825

Find similar

Air Canada

1 Nov

ORD10:00 a.m.Chicago O'Hare Intl

6h 05m

1 stop

YXU5:05 p.m.London

8 Nov

YXU5:15 a.m.London

7h 03m

2 stops

ORD11:18 a.m.Chicago O'Hare Intl

C$ 834

Find similar

Air Canada

9 Oct

ORD9:55 a.m.Chicago O'Hare Intl

4h 07m

1 stop

YXU3:02 p.m.London

15 Oct

YXU9:55 a.m.London

6h 09m

1 stop

ORD3:04 p.m.Chicago O'Hare Intl

C$ 865

Find similar

United Airlines flights from Chicago to London, Ontario

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

United Airlines

30 Oct

ORD10:00 a.m.Chicago O'Hare Intl

6h 06m

1 stop

YXU5:06 p.m.London

6 Nov

YXU5:45 a.m.London

4h 28m

1 stop

ORD9:13 a.m.Chicago O'Hare Intl

C$ 915

Find similar

United Airlines

30 Oct

ORD7:15 a.m.Chicago O'Hare Intl

8h 51m

2 stops

YXU5:06 p.m.London

6 Nov

YXU9:25 a.m.London

6h 45m

1 stop

ORD3:10 p.m.Chicago O'Hare Intl

C$ 927

Find similar

United Airlines

1 Nov

ORD2:00 p.m.Chicago O'Hare Intl

6h 21m

1 stop

YXU9:21 p.m.London

8 Nov

YXU9:25 a.m.London

6h 45m

1 stop

ORD3:10 p.m.Chicago O'Hare Intl

C$ 929

Find similar

Fly from

Fly to

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/10

5:30 p.m.-5:12 a.m.

1 stop10h 42m

London

Wed 15/10

8:00 p.m.-4:43 p.m.

1 stop21h 43m

C$ 468

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/10

5:30 p.m.-5:12 a.m.

1 stop10h 42m

London

Wed 15/10

6:00 a.m.-12:31 p.m.

2 stops31h 31m

C$ 536

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 30/10

1:26 p.m.-7:12 p.m.

2 stops28h 46m

London

Thu 6/11

8:10 p.m.-1:35 p.m.

1 stop18h 25m

C$ 638

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/10

5:30 p.m.-5:12 a.m.

1 stop10h 42m

London

Wed 15/10

6:00 a.m.-12:31 p.m.

3 stops31h 31m

C$ 689

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/10

1:26 p.m.-5:12 a.m.

2 stops14h 46m

London

Wed 15/10

6:00 a.m.-12:31 p.m.

3 stops31h 31m

C$ 801

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 30/10

10:00 a.m.-5:06 p.m.

1 stop6h 06m

London

Thu 6/11

9:25 a.m.-1:01 p.m.

1 stop4h 36m

C$ 825

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 1/11

10:00 a.m.-5:05 p.m.

1 stop6h 05m

London

Sat 8/11

5:15 a.m.-11:18 a.m.

2 stops7h 03m

C$ 834

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 9/10

9:55 a.m.-3:02 p.m.

1 stop4h 07m

London

Wed 15/10

9:55 a.m.-3:04 p.m.

1 stop6h 09m

C$ 865

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 30/10

10:00 a.m.-5:06 p.m.

1 stop6h 06m

London

Thu 6/11

5:45 a.m.-9:13 a.m.

1 stop4h 28m

C$ 915

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 30/10

7:15 a.m.-5:06 p.m.

2 stops8h 51m

London

Thu 6/11

9:25 a.m.-3:10 p.m.

1 stop6h 45m

C$ 927

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 Chicago to London, Ontario

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

Prices

Airlines

Can stopping save me money on Chicago to London, Ontario flights?

You could potentially save up to 59% on your flight if you consider stops on a Chicago to London, Ontario flight.

When to book flights from Chicago to London, Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Chicago to London, Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Chicago to London, Ontario (CHI to YXU) flight deals and tips

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

Direct flights	None

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

Search flight deals

How far is Chicago to London by plane?
The distance between Chicago and London is about 538.5 km. Flights usually cover this in 4h 07m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago to London Airport?
Prices for flights from Chicago to London Airport are updated daily.
How old do you have to be to fly from Chicago to London Airport?
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 from Chicago to London Airport.
What documentation or ID do you need to fly to London Airport?
The necessary travel and health documents for your London Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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Why use momondo?

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

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

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

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

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

momondo helps you find the best flight between Chicago and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to London from Chicago. 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.