What is the cheapest flight from London to Chicago O'Hare Intl Airport?

In the last 3 days, the lowest price for a flight from London to Chicago O'Hare Intl Airport was C$ 275 for a one-way ticket and C$ 392 for a round-trip. Visit our flight page for the latest deals!>/a>

Which airports will I be using when flying from London to Chicago?

When flying out of London you will be using London. You will be landing at Chicago, also known as Chicago O'Hare Intl. Visit our flight page for the latest deals!>/a>

Which aircraft models fly most regularly from London to Chicago?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from London to Chicago?

Star Alliance is the only airline alliance operating flights between London and Chicago.

How does KAYAK find such low prices on flights from London to Chicago?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Chicago. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from London is likely to change within 7 days, so travellers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from London to Chicago?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to London with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Chicago?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

Which airlines provide the cheapest flights from London to Chicago?

In the past 3 days, the cheapest round-trip tickets from London to Chicago were found on United Airlines (C$ 542) and Air Canada (C$ 586).

C$ 375 CHEAP FLIGHTS from London to Chicago (YXU - ORD)

YXU - ORD

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

...and more

Travellers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 25% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Free to useThere are no hidden charges or fees.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Flights Deals

Cheap Flights from London to Chicago (YXU-ORD)

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from London to Chicago that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from London to O'Hare Intl

Tue, 14 Oct - Tue, 21 Oct

3:40 p.m. - 7:29 p.m.YXU-ORD

4h 49m1 stop

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

4h 07m1 stop

C$ 535

Find Deal

Tue, 14 Oct - Tue, 21 Oct

9:55 a.m. - 1:14 p.m.YXU-ORD

4h 19m1 stop

6:00 a.m. - 3:02 p.m.ORD-YXU

8h 02m2 stops

C$ 542United Airlines

Find Deal

Tue, 14 Oct - Tue, 21 Oct

3:40 p.m. - 11:15 p.m.YXU-ORD

8h 35m2 stops

6:00 a.m. - 3:02 p.m.ORD-YXU

8h 02m2 stops

C$ 549United Airlines

Find Deal

Thu, 14 Aug - Thu, 21 Aug

9:55 a.m. - 1:13 p.m.YXU-ORD

4h 18m1 stop

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

4h 07m1 stop

C$ 586Air Canada

Find Deal

Mon, 28 Jul - Mon, 4 Aug

6:15 a.m. - 9:59 a.m.YXU-ORD

4h 44m1 stop

10:50 a.m. - 5:07 p.m.ORD-YXU

5h 17m1 stop

C$ 587United Airlines

Find Deal

Sun, 27 Jul - Sun, 3 Aug

6:15 a.m. - 9:09 a.m.YXU-ORD

3h 54m1 stop

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

4h 07m1 stop

C$ 590United Airlines

Find Deal

Thu, 14 Aug - Thu, 21 Aug

9:55 a.m. - 4:52 p.m.YXU-ORD

7h 57m2 stops

10:48 a.m. - 5:07 p.m.ORD-YXU

5h 19m1 stop

C$ 598United Airlines

Find Deal

Sun, 27 Jul - Sun, 3 Aug

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

6h 09m1 stop

2:00 p.m. - 9:27 p.m.ORD-YXU

6h 27m1 stop

C$ 665Air Canada

Find Deal

Sun, 27 Jul - Sun, 3 Aug

6:15 a.m. - 9:09 a.m.YXU-ORD

3h 54m1 stop

7:15 a.m. - 5:07 p.m.ORD-YXU

8h 52m2 stops

C$ 695

Find Deal

Fri, 15 Aug - Fri, 22 Aug

6:15 a.m. - 9:55 a.m.YXU-ORD

4h 40m1 stop

10:48 a.m. - 5:07 p.m.ORD-YXU

5h 19m1 stop

C$ 696United Airlines

Find Deal

Useful Info

KAYAK's insights & trends for London to O'Hare Intl flights

Get data-powered insights and trends into flights from London to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

Prices

Airlines

How much is a round-trip flight from London, Ontario to Chicago O'Hare Intl Airport?

Find deals

Low season	June
High season	June
Cheapest flight	C$ 375

Best time to beat the crowds (41% less expensive on average)

Most popular time to fly and prices are also 41% lower on average.

Flight from London to Chicago

When to book flights from London to O'Hare Intl

Are your dates flexible? Find out the best times to travel from London to O'Hare Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What is the cheapest flight from London to Chicago O'Hare Intl Airport?
In the last 3 days, the lowest price for a flight from London to Chicago O'Hare Intl Airport was C$ 275 for a one-way ticket and C$ 392 for a round-trip.
Which airports will I be using when flying from London to Chicago?
When flying out of London you will be using London. You will be landing at Chicago, also known as Chicago O'Hare Intl.
Which aircraft models fly most regularly from London to Chicago?
We unfortunately don’t have that data for this specific route.
Which airline alliances offer flights from London to Chicago?
Star Alliance is the only airline alliance operating flights between London and Chicago.
How does KAYAK find such low prices on flights from London to Chicago?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Chicago.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Chicago?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from London is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from London to Chicago?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to London with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Chicago?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to O'Hare Intl

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Information on your arrival and departure airports

London (YXU)

O'Hare Intl (ORD)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

YXU - ORD

C$ 375 Find Cheap Flights from London to Chicago

KAYAK searches hundreds of travel sites at once for deals on flights to Chicago O'Hare Intl Airport

Cheap Flights from London to Chicago (YXU-ORD)

Recent round-trip flight deals from London to O'Hare Intl

Recent one-way flight deals from London to O'Hare Intl

Recent last minute flight deals from London to O'Hare Intl

KAYAK's insights & trends for London to O'Hare Intl flights

Get data-powered insights and trends into flights from London to O'Hare Intl to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from London, Ontario to Chicago O'Hare Intl Airport?

Which airlines provide the cheapest flights from London to Chicago?

In the past 3 days, the cheapest round-trip tickets from London to Chicago were found on United Airlines (C$ 542) and Air Canada (C$ 586).

Good to know

When to book flights from London to O'Hare Intl

FAQs for booking London to Chicago flights

What is the cheapest flight from London to Chicago O'Hare Intl Airport?

In the last 3 days, the lowest price for a flight from London to Chicago O'Hare Intl Airport was C$ 275 for a one-way ticket and C$ 392 for a round-trip.

Which airports will I be using when flying from London to Chicago?

When flying out of London you will be using London. You will be landing at Chicago, also known as Chicago O'Hare Intl.

Which aircraft models fly most regularly from London to Chicago?

We unfortunately don’t have that data for this specific route.

Which airline alliances offer flights from London to Chicago?

Star Alliance is the only airline alliance operating flights between London and Chicago.

How does KAYAK find such low prices on flights from London to Chicago?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Chicago.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Chicago?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Chicago from London is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from London to Chicago?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Chicago with an airline and back to London with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Chicago?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Chicago from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from London to O'Hare Intl

Information on your arrival and departure airports

Cabin class types available on flights to O'Hare Intl

Complete your trip to Chicago with a hotel stay or car rental

Find direct flights to and from London and O'Hare Intl

Flights to other popular destinations

Flights from domestic origins to O'Hare Intl

Choose which airport to fly into in Chicago