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

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 Illinois to London. 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 Illinois to London?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Illinois is likely to change within 7 days, so travelers 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 Illinois to London?

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 London with an airline and back to Illinois 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 Illinois to London?

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 London from Illinois 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>

C$ 418 CHEAP FLIGHTS from Illinois to London

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Cheap Flights from Illinois to London

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

Round-trip

One-way

Recent round-trip flight deals from Illinois to London

Thu, 28 May - Wed, 3 Jun

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

5:10 a.m. - 9:00 a.m.

YXU

ORD

4h 50m

1 stop

C$ 763Air Canada

Thu, 28 May - Wed, 3 Jun

2:15 p.m. - 9:38 p.m.

ORD

YXU

6h 23m

1 stop

5:10 a.m. - 11:20 a.m.

YXU

ORD

7h 10m

2 stops

C$ 821Air Canada

Thu, 8 Oct - Tue, 13 Oct

9:50 a.m. - 2:55 p.m.

ORD

YXU

4h 05m

1 stop

10:05 a.m. - 2:55 p.m.

YXU

ORD

5h 50m

1 stop

C$ 877Air Canada

Fri, 29 May - Tue, 2 Jun

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

9:30 a.m. - 2:55 p.m.

YXU

ORD

6h 25m

1 stop

C$ 914Air Canada

Fri, 29 May - Tue, 2 Jun

3:50 p.m. - 9:38 p.m.

ORD

YXU

4h 48m

1 stop

9:30 a.m. - 1:25 p.m.

YXU

ORD

4h 55m

1 stop

C$ 915Air Canada

Fri, 29 May - Tue, 2 Jun

2:15 p.m. - 9:38 p.m.

ORD

YXU

6h 23m

1 stop

5:10 a.m. - 2:50 p.m.

YXU

ORD

10h 40m

2 stops

C$ 926Air Canada

Thu, 28 May - Wed, 3 Jun

5:00 a.m. - 9:38 p.m.

ORD

YXU

15h 38m

2 stops

3:30 p.m. - 11:26 p.m.

YXU

ORD

8h 56m

2 stops

C$ 959Air Canada

Tue, 25 Aug - Wed, 26 Aug

8:55 a.m. - 2:55 p.m.

STL

YXU

5h 00m

1 stop

10:05 a.m. - 2:02 p.m.

YXU

STL

4h 57m

1 stop

C$ 995Air Canada

Thu, 8 Oct - Tue, 13 Oct

9:50 a.m. - 2:55 p.m.

ORD

YXU

4h 05m

1 stop

3:30 p.m. - 11:15 p.m.

YXU

ORD

8h 45m

2 stops

C$ 1,030United Airlines

Tue, 9 Jun - Mon, 15 Jun

6:00 a.m. - 5:33 p.m.

STL

YXU

10h 33m

2 stops

3:30 p.m. - 11:35 p.m.

YXU

STL

9h 05m

2 stops

C$ 1,190United Airlines

Useful Info

How does KAYAK find such low prices on flights from Illinois to London?
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 Illinois to London.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to London?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to London from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Illinois to London?
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 London with an airline and back to Illinois with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to London?
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 London from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Grand Bend

Port Stanley

Everything you need to know for your flight to London

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Cabin class

Complete your trip

Flights to other cities

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Information on the airport you'll fly into in London

London (YXU)

C$ 418 Find Cheap Flights from Illinois to London

KAYAK searches hundreds of travel sites at once for deals on flights to London

Cheap Flights from Illinois to London

Recent round-trip flight deals from Illinois to London

Recent one-way flight deals from Illinois to London

FAQs for booking flights from Illinois to London

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

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 Illinois to London.

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

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

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

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 London with an airline and back to Illinois with another airline.

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

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 London from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Travelling to a place near London?

Everything you need to know for your flight to London

Information on the airport you'll fly into in London

Cabin class types available on flights to Illinois

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

Flights to other popular destinations

Flights from domestic origins to London

Choose which airport to fly into in London