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$346+ Cheap flights from Illinois 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YXU
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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Cheap flight deals from Illinois to London

Keep the following information in mind while searching for Illinois to London flight deals. Data was last updated marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$461
(Mytrip)

One-way from

$346
(Yatra.com)
Provider with most accurate pricing for Chicago (CHI)-London flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-London flights.
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From Illinois to London
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One-way flight from Illinois to London
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Find flight deals from Illinois to London

Cheapest flights from Illinois to London
Explore the most affordable flight options available from Illinois to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on marzo 28, 2025.

This Mytrip deal was found by Cheapflights users on 3/28. 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.
sáb. 5/109:02 pmORD - YXU
2 stops31h 12mMultiple Airlines
sáb. 5/176:00 amYXU - ORD
2 stops32h 35mMultiple Airlines
Deal found 3/28$461
This Kiwi.com deal was found by Cheapflights users on 3/27. 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.
dom. 5/115:30 pmORD - YXU
1 stop10h 44mWestJet
dom. 5/186:00 amYXU - ORD
1 stop11h 44mWestJet
Deal found 3/27$506
This Gotogate deal was found by Cheapflights users on 3/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 5/118:50 amORD - YXU
2 stops11h 38mAir Canada
dom. 5/183:35 pmYXU - ORD
1 stop4h 55mAir Canada
Deal found 3/26$690
This United Airlines deal was found by Cheapflights users on 3/27. 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.
jue. 4/247:00 amORD - YXU
2 stops12h 19mUnited Airlines
jue. 5/19:55 amYXU - ORD
2 stops14h 21mUnited Airlines
Deal found 3/27$874

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois 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 marzo 28, 2025.
Use the filters below to find and compare flights from Illinois to London that are best for you.

Fly from

Illinois

Fly to

London

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

sáb. 5/10

9:02 pm-5:14 am

2 stops31h 12m

London

sáb. 5/17

6:00 am-1:35 pm

2 stops32h 35m

$461

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

dom. 5/11

5:30 pm-5:14 am

1 stop10h 44m

London

dom. 5/18

6:00 am-4:44 pm

1 stop11h 44m

$506

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

dom. 5/11

8:50 am-9:28 pm

2 stops11h 38m

London

dom. 5/18

3:35 pm-7:30 pm

1 stop4h 55m

$690

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

jue. 4/24

7:00 am-8:19 pm

2 stops12h 19m

London

jue. 5/1

9:55 am-11:16 pm

2 stops14h 21m

$874

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

lun. 5/12

4:00 pm-9:29 pm

1 stop4h 29m

$346

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Best time to book a flight from Illinois to London

Have a flexible travel schedule? Discover the best time to fly to London from Illinois 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 Illinois to London

What is the cheapest time of day to fly from IL to YXU?

Find hourly flight availability from Illinois to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated marzo 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to London, Ontario as you normally would.

Rainfall in London by month

Plan your trip to London by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London, Ontario ranges from 2.8 - 3.9 inches per month. January is typically the wettest month, when rainfall can reach 3.9 in. March is typically the driest time to visit London, Ontario when rainfall is around 2.8 in.

Temperature in London by month

Plan your trip to London by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London, Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 68.0 F. Travelers looking to avoid the cold should look outside of February, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated marzo 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
WestJet
7.2
Good
2,785 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.0
Good
8,981 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Overall

7.4

Comfort

7.3

Food

6.6

Boarding

7.7

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

Find useful and relevant information for your journey from Illinois 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 Illinois?

    London (YXU), located 5.3 mi from the city center, is the airport you fly into when you book flights from Illinois to London.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Illinois 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

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Alternative routes for Illinois to London

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Top airline flying from Illinois to London

Discover the top airline that operate flights from Illinois to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$565Average$780FlexibilityNo cancel feeOn-time67%
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