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$186+ Cheap flights from Chicago (CHI) to London, ON (YXU)

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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
CHI — YXU
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheap flight deals from Chicago to London

Discover tips and strategies to find the most affordable flight options for your journey from Chicago (CHI) to London (YXU). 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 September 15, 2025.

Round-trip from

$390
(Kiwi.com)

One-way from

$186
(Kiwi.com)
From Chicago (CHI) to London
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One-way flight from Chicago (CHI) to London
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Find flight deals from Chicago to London

Cheapest flights from Chicago to London
Explore the most affordable flight options available from Chicago to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/95:30 pmORD - YXU
1 stop10h 42mMultiple Airlines
Wed 10/156:00 amYXU - ORD
2 stops31h 31mMultiple Airlines
Deal found 9/15$390
This Kiwi.com deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:26 pmORD - YXU
2 stops28h 46mMultiple Airlines
Thu 11/68:10 pmYXU - ORD
1 stop18h 25mMultiple Airlines
Deal found 9/15$464
This Mytrip deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/297:43 pmORD - YXU
3 stops46h 29mMultiple Airlines
Wed 11/58:10 pmYXU - ORD
3 stops23h 10mMultiple Airlines
Deal found 9/14$538
This Air Canada deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/293:55 pmORD - YXU
1 stop4h 26mAir Canada
Wed 11/59:25 amYXU - ORD
1 stop4h 36mAir Canada
Deal found 9/14$589
This Kiwi.com deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:35 amORD - YXU
2 stops34h 37mMultiple Airlines
Sun 11/168:10 pmYXU - ORD
1 stop18h 25mMultiple Airlines
Deal found 9/14$597
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3010:00 amORD - YXU
1 stop6h 06mAir Canada
Thu 11/69:25 amYXU - ORD
1 stop4h 36mAir Canada
Deal found 9/15$600
This Air Canada deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/99:55 amORD - YXU
1 stop4h 07mAir Canada
Wed 10/159:55 amYXU - ORD
1 stop6h 09mAir Canada
Deal found 9/15$629
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2910:00 amORD - YXU
1 stop6h 06mUnited Airlines
Wed 11/55:45 amYXU - ORD
1 stop5h 20mUnited Airlines
Deal found 9/14$665

Cheapflights Fare Finder

 
Customize your flight search to find flights from Chicago to London 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 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Chicago to London that are best for you.

Fly from

Chicago

Fly to

London

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/9

5:30 pm-5:12 am

1 stop10h 42m

London

Wed 10/15

6:00 am-12:31 pm

2 stops31h 31m

$390

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/30

1:26 pm-7:12 pm

2 stops28h 46m

London

Thu 11/6

8:10 pm-1:35 pm

1 stop18h 25m

$464

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 10/29

7:43 pm-7:12 pm

3 stops46h 29m

London

Wed 11/5

8:10 pm-6:20 pm

3 stops23h 10m

$538

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 10/29

3:55 pm-9:21 pm

1 stop4h 26m

London

Wed 11/5

9:25 am-1:01 pm

1 stop4h 36m

$589

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 11/9

10:00 am-5:05 pm

1 stop6h 05m

London

Sun 11/16

5:45 am-9:13 am

1 stop4h 28m

$589

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/30

10:00 am-5:06 pm

1 stop6h 06m

London

Thu 11/6

9:25 am-1:01 pm

1 stop4h 36m

$600

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/9

9:55 am-3:02 pm

1 stop4h 07m

London

Wed 10/15

9:55 am-3:04 pm

1 stop6h 09m

$629

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 10/29

10:00 am-5:06 pm

1 stop6h 06m

London

Wed 11/5

5:45 am-10:05 am

1 stop5h 20m

$665

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Thu 10/30

10:00 am-5:06 pm

1 stop6h 06m

London

Thu 11/6

5:45 am-9:13 am

1 stop4h 28m

$665

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Wed 10/15

8:17 pm-5:12 am

3 stops31h 55m

$186

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 16 results
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Best time to book a flight from Chicago to London

Have a flexible travel schedule? Discover the best time to fly to London from Chicago 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 Chicago to London
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Chicago to London. 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 into for flights to London from Chicago?

    Located just 5.3 mi from the city center, London is the airport most travelers will use when flying to London from Chicago. Booking flights from Chicago to London (YXU) should be relatively easy as there are 0 daily inbound flights from Chicago from 0 different airlines.

  • Can I find deals for flights from Chicago to London that include hotel bookings?

    Yes. In addition to deals on Chicago to London flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chicago to London?

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

  • Can I find deals for business class flights from Chicago to London?

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

See more FAQs

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Grand Bend

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