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Flights to Chicago

£228 Cheap flights to Chicago

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight to Chicago departing on 14/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from the United Kingdom to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
19:10 - 16:55
BHX
-
ORD
27h 45m1 stop
Scandinavian Airlines Logo
19:15 - 13:40
ORD
-
BHX
12h 25m1 stop
£385Scandinavian Airlines
Wed, 28 Jan - Sat, 18 Apr
Scandinavian Airlines Logo
19:10 - 16:45
BHX
-
ORD
27h 35m1 stop
Scandinavian Airlines Logo
19:15 - 13:40
ORD
-
BHX
12h 25m1 stop
£386Scandinavian Airlines
Wed, 28 Jan - Sat, 18 Apr
United Airlines Logo
06:30 - 15:20
LHR
-
ORD
14h 50m1 stop
United Airlines Logo
14:15 - 09:40
ORD
-
LHR
13h 25m1 stop
£468United Airlines
Sat, 17 Jan - Sat, 24 Jan
United Airlines Logo
06:30 - 13:25
LHR
-
ORD
12h 55m1 stop
United Airlines Logo
14:25 - 06:40
ORD
-
LHR
10h 15m1 stop
£469United Airlines
Sun, 15 Feb - Tue, 24 Feb
Icelandair Logo
11:55 - 17:20
LGW
-
ORD
11h 25m1 stop
Icelandair Logo
18:30 - 10:55
ORD
-
LGW
10h 25m1 stop
£470Icelandair
Thu, 22 Jan - Mon, 26 Jan
Icelandair Logo
11:55 - 17:20
LGW
-
ORD
11h 25m1 stop
Icelandair Logo
19:25 - 14:40
ORD
-
LGW
13h 15m1 stop
£471Icelandair
Sun, 1 Feb - Thu, 16 Apr
Lufthansa Logo
07:30 - 15:20
LHR
-
ORD
13h 50m1 stop
Lufthansa Logo
22:05 - 11:15
ORD
-
LHR
8h 10mdirect
£471Lufthansa
Wed, 4 Mar - Tue, 10 Mar
Lufthansa Logo
11:30 - 21:05
LHR
-
ORD
14h 35m1 stop
Lufthansa Logo
12:59 - 06:55
ORD
-
LHR
11h 56m1 stop
£471Lufthansa
Mon, 23 Mar - Fri, 10 Apr
Virgin Atlantic Logo
10:45 - 17:45
LHR
-
MDW
13h 00m1 stop
Virgin Atlantic Logo
12:47 - 06:25
MDW
-
LHR
12h 38m1 stop
£510Virgin Atlantic
Mon, 2 Mar - Tue, 10 Mar
Virgin Atlantic Logo
11:05 - 18:36
LHR
-
MDW
13h 31m1 stop
Virgin Atlantic Logo
09:50 - 07:05
MDW
-
LHR
15h 15m1 stop
£511Virgin Atlantic
Wed, 21 Jan - Thu, 29 Jan

momondo Fare Finder

 
Locate flights to Chicago that fit your budget, with regularly updated fares and availability. In the last 7 days, momondo users made a total of 279,928 searches and data was last updated on 5 December 2025.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

Route

Depart

Return

Price

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 28/1

19:10-16:55

1 stop27h 45m

Chicago O'Hare Intl

Sat 18/4

19:15-13:40

1 stop12h 25m

£385

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 28/1

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Sat 18/4

19:15-13:40

1 stop12h 25m

£386

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 17/1

06:30-15:20

1 stop14h 50m

Chicago O'Hare Intl

Sat 24/1

14:15-09:40

1 stop13h 25m

£468

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sun 15/2

06:30-13:25

1 stop12h 55m

Chicago O'Hare Intl

Tue 24/2

14:25-06:40

1 stop10h 15m

£469

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 22/1

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Mon 26/1

18:30-10:55

1 stop10h 25m

£470

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 1/2

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Thu 16/4

19:25-14:40

1 stop13h 15m

£471

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/3

07:30-15:20

1 stop13h 50m

Chicago O'Hare Intl

Tue 10/3

22:05-11:15

Nonstop8h 10m

£471

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 23/3

11:30-21:05

1 stop14h 35m

Chicago O'Hare Intl

Fri 10/4

12:59-06:55

1 stop11h 56m

£471

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 2/3

10:45-17:45

1 stop13h 00m

Chicago Midway

Tue 10/3

12:47-06:25

1 stop12h 38m

£510

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 21/1

11:05-18:36

1 stop13h 31m

Chicago Midway

Thu 29/1

09:50-07:05

1 stop15h 15m

£511

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

Chicago flights insights and trends

Explore insights for your Chicago flight to craft the best travel plan

What is the cheapest month to fly to Chicago?

The cheapest month to fly to Chicago from United Kingdom is in February. Flight prices, which tend to average around £434, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of February, then book flights to Chicago from United Kingdom during September instead. Flights to Chicago in September, while not as cheap as those in February, still average around £437.

What is the absolute cheapest flight to Chicago?

The best price found on momondo to Chicago was £43/pp from Newark, which is 79% cheaper than the average flight price to Chicago. To find the cheapest price to Chicago from your area, use momondo’s Airport-to-Airport Pricing Tool.
See prices from:

What is the cheapest day to depart on your flight to Chicago?

The cheapest day to depart on your flight to Chicago is on a Wednesday when prices can be found for as low as £617. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Chicago is Saturday, with ticket prices averaging around £670.

What is the cheapest time of day to depart on your flight to Chicago?

Flying to Chicago from United Kingdom in the evening is the least expensive time of day to depart. momondo users have found prices as low as £503 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £669.

How far in advance should I book a flight to Chicago?

You are more likely to see cheaper flights to Chicago from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago for around £549 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago from United Kingdom for as low as £522 on momondo.

Cheapest flights to Chicago

Find the cheapest flights to Chicago from your nearest city or airport
Find flights from London Heathrow Airport to Milwaukee
CHEAPEST MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTFebruary17% cheaperFlying from London Heathrow Airport to Chicago costs on average just £448 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly20% more expensiveIt costs about £644 for flights to Chicago from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly253% more users visitedMore momondo users searched in flights to Chicago from London Heathrow Airport in July than any other month

Cheap Chicago flight deals and tips

Summary info about Chicago flight prices, duration and airlines

Best One-Way Price

£228

Best Round-Trip Price

£385

Fastest flight time

8h 50m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 72 hours is £228 (Manchester to Chicago O'Hare Intl).
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The best round-trip flight price to Chicago from United Kingdom in the last 72 hours is £385 (Birmingham to Chicago O'Hare Intl).
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The fastest flight to Chicago from United Kingdom takes 8h 50m (London Heathrow to Chicago O'Hare Intl).
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July has the highest demand for flights to Chicago, with a 15% price increase on average.
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Frequently asked questions about flying to Chicago

When is it best to fly to Chicago to go sightseeing?

When planning your flight to Chicago, consider that the months of May and June are typically considered the best times to visit if you are looking to go sightseeing. That is when the weather is most cooperative. Sights like Magnificent Mile, Grant Park, and Millennium Park are very popular tourist attractions.

How far in advance should I book a flight to Chicago?

The ideal time to book your flight to Chicago is 46 days in advance, when prices tend to average £523. However, in the past 72 hours, people saw flights from United Kingdom for as low as £444.

Is there an alternative airport near Chicago?

Finding an alternative and possibly cheaper destination airport near Chicago is possible. If you are planning a flight to Chicago, consider booking flights to Chicago Midway Airport (9 mi from Chicago city centre) or Chicago Greater Rockford Airport (79 mi from Chicago city centre).

Is there a cheaper alternative to flying into Chicago?

Prices vary based on where travellers are departing from, but on average, the cheapest airport to fly to in Chicago is Chicago Midway Airport where the average price is £203. Users typically find the best prices when using momondo’s Airport-to-Airport Pricing Tool.

Are there flights to Downtown?

Yes, flights to Downtown are served by Chicago’s Chicago O'Hare Intl airport which is 15.7 mi away.

What’s the closest airport to Union Station?

The closest airport to Union Station is Chicago O'Hare Intl, 15.3 mi away.

When did momondo last update prices for flights to Chicago?

Prices for flights to Chicago were last updated today.

How many operators does momondo search for flights to Chicago?

As of December 2025, there are 27 operators available to choose from for flights to Chicago.

How old do you have to be to fly to Chicago?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Chicago.

What documentation or ID do you need to fly to Chicago?

The necessary travel and health documents for your Chicago trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal to Chicago?

It is quick and easy to find flights to Chicago on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Chicago that suits you.

Can I find flights to Chicago with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Chicago with this policy.

How can momondo help me find flights to Chicago?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight to Chicago.

I’m not ready to book a flight to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Chicago trip

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Find better results for your trip to Chicago

Popular Flights to Chicago

Popular routes according to searches in the past day on momondo
London to Chicago Flightsfrom £449
Manchester to Chicago Flightsfrom £498
Glasgow to Chicago Flightsfrom £692
Edinburgh Turnhouse to Chicago Flightsfrom £670
Newcastle upon Tyne to Chicago Flightsfrom £807
Birmingham to Chicago Flightsfrom £538
Leeds/Bradford to Chicago Flightsfrom £561
Belfast to Chicago Flightsfrom £676
Southampton Eastleigh to Chicago Flightsfrom £729
Exeter to Chicago Flightsfrom £1,250
Bristol to Chicago Flightsfrom £616
Darlington Teesside Intl to Chicago Flightsfrom £881
Cornwall Newquay to Chicago Flightsfrom £800
Inverness to Chicago Flightsfrom £808
Norwich Arpt to Chicago Flightsfrom £980
Cardiff Wales to Chicago Flightsfrom £1,161
Liverpool J. Lennon to Chicago Flightsfrom £622
Grimsby Humberside to Chicago Flightsfrom £867
Doncaster Sheffield to Chicago Flightsfrom £1,435