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$110+ 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 4/6. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — YXU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$374
(Kiwi.com)

One-way from

$110
(Mytrip)
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 February 20, 2025.

This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/62:53 pmORD - YXU
1 stop19h 27mMultiple Airlines
Sun 4/138:00 pmYXU - ORD
1 stop20h 56mMultiple Airlines
Deal found 2/20$374
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Sun 4/610:53 amORD - YXU
2 stops8h 25mAir Canada
Sun 4/135:15 amYXU - ORD
2 stops7h 48mAir Canada
Deal found 2/20$674
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 3/219:05 amORD - YXU
2 stops10h 15mUnited Airlines
Fri 3/285:15 amYXU - ORD
2 stops10h 26mUnited Airlines
Deal found 2/19$986
This WestJet deal was found by Cheapflights users on 2/19. 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 WestJet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/2211:31 amORD - YXU
2 stops30h 42mWestJet
Sun 3/308:00 pmYXU - ORD
2 stops26h 47mWestJet
Deal found 2/19$2,248

Find flights from Illinois to London within your budget

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 February 20, 2025.

Fly from

Illinois

Fly to

London

Route

Depart

Return

Price

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 4/6

2:53 pm-11:20 am

1 stop19h 27m

London

Sun 4/13

8:00 pm-3:56 pm

1 stop20h 56m

$374

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 4/6

10:53 am-8:18 pm

2 stops8h 25m

London

Sun 4/13

5:15 am-12:03 pm

2 stops7h 48m

$674

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Fri 3/21

9:05 am-8:20 pm

2 stops10h 15m

London

Fri 3/28

5:15 am-2:41 pm

2 stops10h 26m

$986

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sat 3/22

11:31 am-7:13 pm

2 stops30h 42m

London

Sun 3/30

8:00 pm-9:47 pm

2 stops26h 47m

$2,248

ChicagoLondon

ORD - YXU

ORDYXU

Chicago O'Hare Intl

Sun 4/6

12:14 pm-11:20 am

1 stop22h 06m

$110

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

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.

Travel insights for flights from Illinois to London

Get recent, data-driven insights about flights from Illinois to London including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,766 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

WestJet
7.2
Good
2,801 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Air Canada
7.0
Good
8,748 reviews
United Airlines
7.4
Good
8,766 reviews

Entertainment

7.1

Overall

7.4

Food

6.7

Crew

8.1

Boarding

7.7

Comfort

7.3

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

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

See prices for flight routes from nearby airports that may be better suited for you.
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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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$565Average$780FlexibilityNo cancel feeOn-time67%
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