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Cheap flights from London, ON to Chicago O'Hare Intl Airport from C$ 220

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/10. Fares are subject to change and may not be available on all flights or dates of travel.
YXU — ORD
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from London to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from London (YXU) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 11 September 2025.

Round-trip from

C$ 475

One-way from

C$ 220

Popular in

December

Cheapest in

June

Average price

C$ 874
WestJet
  • WestJet
  • 15/10-17/10
  • 2 total stops
  • 32h 25m total
  • London to Chicago
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WestJet
  • WestJet
  • 24/10
  • 1 total stop
  • 21h 43m total
  • London to Chicago
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Highest demand for flights based on searches. 9% potential increase in price (C$ 113 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 29 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from London to O'Hare Intl

Cheapest flights from London to O'Hare Intl
Explore the most affordable flight options available from London to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Wed 15/108:00 p.m.YXU - ORD
1 stop21h 43mWestJet
Fri 17/105:30 p.m.ORD - YXU
1 stop10h 42mWestJet
Deal found 11/9C$ 475
Sun 26/108:00 p.m.YXU - ORD
1 stop18h 35mMultiple Airlines
Sun 2/111:26 p.m.ORD - YXU
2 stops28h 46mMultiple Airlines
Deal found 11/9C$ 522
Mon 24/119:25 a.m.YXU - ORD
1 stop4h 36mAir Canada
Mon 1/122:00 p.m.ORD - YXU
1 stop6h 21mAir Canada
Deal found 10/9C$ 575
Sun 26/108:00 p.m.YXU - ORD
1 stop18h 35mWestJet
Sun 2/112:20 p.m.ORD - YXU
1 stop27h 52mWestJet
Deal found 11/9C$ 632
Fri 7/119:25 a.m.YXU - ORD
1 stop4h 36mAir Canada
Mon 10/1110:00 a.m.ORD - YXU
1 stop6h 05mAir Canada
Deal found 11/9C$ 649
Fri 31/109:25 a.m.YXU - ORD
1 stop6h 45mAir Canada
Mon 3/113:55 p.m.ORD - YXU
1 stop4h 26mAir Canada
Deal found 10/9C$ 650
Fri 24/106:15 a.m.YXU - ORD
1 stop6h 48mUnited Airlines
Fri 31/101:00 p.m.ORD - YXU
2 stops7h 21mUnited Airlines
Deal found 9/9C$ 673
Fri 7/115:45 a.m.YXU - ORD
1 stop4h 28mMultiple Airlines
Mon 10/117:20 a.m.ORD - YXU
2 stops8h 45mMultiple Airlines
Deal found 10/9C$ 722

Cheapflights Fare Finder

 
Customize your flight search to find flights from London to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 11 September 2025.
Use the filters below to find and compare flights from London to Chicago O'Hare Intl Airport that are best for you.

Fly from

London

Fly to

O'Hare Intl

Route

Depart

Return

Price

LondonChicago

YXU - ORD

YXUORD

London

Sun 26/10

8:00 p.m.-1:35 p.m.

1 stop18h 35m

Chicago O'Hare Intl

Sun 2/11

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

2 stops28h 46m

C$ 522

LondonChicago

YXU - ORD

YXUORD

London

Mon 24/11

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

1 stop4h 36m

Chicago O'Hare Intl

Mon 1/12

2:00 p.m.-9:21 p.m.

1 stop6h 21m

C$ 575

LondonChicago

YXU - ORD

YXUORD

London

Sun 26/10

8:00 p.m.-1:35 p.m.

1 stop18h 35m

Chicago O'Hare Intl

Sun 2/11

2:20 p.m.-7:12 p.m.

1 stop27h 52m

C$ 632

LondonChicago

YXU - ORD

YXUORD

London

Fri 7/11

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

1 stop4h 36m

Chicago O'Hare Intl

Mon 10/11

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

1 stop6h 05m

C$ 649

LondonChicago

YXU - ORD

YXUORD

London

Fri 7/11

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

1 stop4h 28m

Chicago O'Hare Intl

Sun 9/11

2:00 p.m.-9:21 p.m.

1 stop6h 21m

C$ 649

LondonChicago

YXU - ORD

YXUORD

London

Sat 8/11

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

1 stop6h 45m

Chicago O'Hare Intl

Mon 10/11

3:55 p.m.-9:21 p.m.

1 stop4h 26m

C$ 649

LondonChicago

YXU - ORD

YXUORD

London

Fri 31/10

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

1 stop6h 45m

Chicago O'Hare Intl

Mon 3/11

3:55 p.m.-9:21 p.m.

1 stop4h 26m

C$ 650

LondonChicago

YXU - ORD

YXUORD

London

Fri 24/10

6:15 a.m.-12:03 p.m.

1 stop6h 48m

Chicago O'Hare Intl

Fri 31/10

1:00 p.m.-9:21 p.m.

2 stops7h 21m

C$ 673

LondonChicago

YXU - ORD

YXUORD

London

Fri 24/10

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

1 stop21h 43m

C$ 220

LondonChicago

YXU - ORD

YXUORD

London

Sat 25/10

6:00 a.m.-1:35 p.m.

1 stop32h 35m

C$ 248

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 15 results
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Best time to book a flight from London to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London to Chicago O'Hare Intl Airport

What is the cheapest month to book a flight from London, Ontario to Chicago O'Hare Intl Airport?

Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from London, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from London to O'Hare Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from London to Chicago O'Hare Intl?

    London (YXU) is the airport you will fly out of if you book a flight from London to Chicago O'Hare Intl. You should not have trouble finding flights to Chicago O'Hare Intl from London; the airport handles an average of 0 outbound flights to Chicago O'Hare Intl per day. You should also have plenty of airline options to choose from since 0 airlines have flights from the London airport to Chicago O'Hare Intl. It is only a 8.6 km journey to London (YXU) from London’s city centre.

  • How long is the flight from London, Ontario to Chicago O'Hare Intl Airport?

    For as low as C$ 575, Air Canada can have you in Chicago O'Hare Intl Airport from London, Ontario in 4h 36m. There are 565 km between London, Ontario and Chicago O'Hare Intl Airport. This flight may include one or multiple stops.

  • Can I find deals for flights from London to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on London to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to O'Hare Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to O'Hare Intl.

  • Can I find deals for business class flights from London to O'Hare Intl?

    Yes. Cheapflights offers flight deals from London to O'Hare Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London, Ontario to Chicago O'Hare Intl Airport?

    Currently, January is the cheapest month in which you can book a flight from London, Ontario to Chicago O'Hare Intl Airport (average of C$ 261). Flying from London, Ontario to Chicago O'Hare Intl Airport in March is currently the most expensive (average of C$ 349). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Evanston
Des Plaines
Elk Grove Village
Skokie
Downers Grove
Naperville
Bolingbrook
Romeoville

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Certainly. Search results for flights to O'Hare Intl from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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