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Flights to Chicago

£284 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 31/3. 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 - 16:45
BHX
-
ORD
27h 35m1 stop
Scandinavian Airlines Logo
19:20 - 18:30
ORD
-
BHX
17h 10m1 stop
£392Scandinavian Airlines
Tue, 10 Feb - Sat, 14 Feb
Scandinavian Airlines Logo
10:10 - 16:45
MAN
-
ORD
12h 35m1 stop
Scandinavian Airlines Logo
19:20 - 18:35
ORD
-
MAN
17h 15m1 stop
£392Scandinavian Airlines
Wed, 11 Feb - Wed, 18 Feb
Scandinavian Airlines Logo
10:10 - 16:45
MAN
-
ORD
12h 35m1 stop
Scandinavian Airlines Logo
19:20 - 18:35
ORD
-
MAN
17h 15m1 stop
£393Scandinavian Airlines
Sat, 14 Feb - Wed, 18 Feb
Icelandair Logo
12:20 - 17:20
EDI
-
ORD
11h 00m1 stop
Icelandair Logo
18:30 - 10:00
ORD
-
EDI
9h 30m1 stop
£412Icelandair
Tue, 27 Jan - Sat, 31 Jan
Icelandair Logo
12:20 - 17:20
EDI
-
ORD
11h 00m1 stop
Icelandair Logo
18:30 - 10:00
ORD
-
EDI
9h 30m1 stop
£412Icelandair
Tue, 27 Jan - Sat, 31 Jan
British Airways Logo
12:35 - 15:25
LHR
-
ORD
8h 50mdirect
British Airways Logo
20:45 - 10:25
ORD
-
LHR
7h 40mdirect
£414British Airways
Wed, 14 Jan - Wed, 21 Jan
British Airways Logo
12:30 - 14:45
LGW
-
ORD
32h 15m1 stop
British Airways Logo
11:40 - 19:00
ORD
-
LGW
25h 20m2 stops
£415British Airways
Thu, 15 Jan - Sun, 18 Jan
United Airlines Logo
09:00 - 16:20
LHR
-
ORD
13h 20m1 stop
United Airlines Logo
16:45 - 05:55
ORD
-
LHR
8h 10mdirect
£417United Airlines
Wed, 4 Mar - Wed, 25 Mar
Virgin Atlantic Logo
11:05 - 18:32
LHR
-
MDW
13h 27m1 stop
Virgin Atlantic Logo
13:49 - 07:05
MDW
-
LHR
11h 16m1 stop
£425Virgin Atlantic
Wed, 14 Jan - Wed, 21 Jan
Virgin Atlantic Logo
11:05 - 18:32
LHR
-
MDW
13h 27m1 stop
Virgin Atlantic Logo
13:49 - 07:05
MDW
-
LHR
11h 16m1 stop
£426Virgin Atlantic
Fri, 16 Jan - Fri, 23 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 29 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

Tue 10/2

19:10-16:45

1 stop27h 35m

Chicago O'Hare Intl

Sat 14/2

19:20-18:30

1 stop17h 10m

£392

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 11/2

10:10-16:45

1 stop12h 35m

Chicago O'Hare Intl

Wed 18/2

19:20-18:35

1 stop17h 15m

£392

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sat 14/2

10:10-16:45

1 stop12h 35m

Chicago O'Hare Intl

Wed 18/2

19:20-18:35

1 stop17h 15m

£393

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Tue 27/1

12:20-17:20

1 stop11h 00m

Chicago O'Hare Intl

Sat 31/1

18:30-10:00

1 stop9h 30m

£412

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Tue 27/1

12:20-17:20

1 stop11h 00m

Chicago O'Hare Intl

Sat 31/1

18:30-10:00

1 stop9h 30m

£412

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 14/1

12:35-15:25

Nonstop8h 50m

Chicago O'Hare Intl

Wed 21/1

20:45-10:25

Nonstop7h 40m

£414

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Thu 15/1

12:30-14:45

1 stop32h 15m

Chicago O'Hare Intl

Sun 18/1

11:40-19:00

2 stops25h 20m

£415

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/3

09:00-16:20

1 stop13h 20m

Chicago O'Hare Intl

Wed 25/3

16:45-05:55

Nonstop8h 10m

£417

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 14/1

11:05-18:32

1 stop13h 27m

Chicago Midway

Wed 21/1

13:49-07:05

1 stop11h 16m

£425

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Fri 16/1

11:05-18:32

1 stop13h 27m

Chicago Midway

Fri 23/1

13:49-07:05

1 stop11h 16m

£426

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 £426, 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 £431.

What is the absolute cheapest flight to Chicago?

The best price found on momondo to Chicago was £51/pp from Newark, which is 78% 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 £611. 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 £659.

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

Flying to Chicago from United Kingdom at midday is the least expensive time of day to depart. momondo users have found prices as low as £627 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £655.

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 £538 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 £515 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 AIRPORTFebruary18% cheaperFlying from London Heathrow Airport to Chicago costs on average just £437 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly20% more expensiveIt costs about £636 for flights to Chicago from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly230% 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

£284

Best Round-Trip Price

£392

Fastest flight time

16h 00m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 72 hours is £284 (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 £392 (Birmingham to Chicago O'Hare Intl).
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The fastest flight to Chicago from United Kingdom takes 16h 00m (London Heathrow to Chicago Midway).
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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 Grant Park, Magnificent Mile, 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 £513. However, in the past 72 hours, people saw flights from United Kingdom for as low as £435.

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 £234. 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 Grant Park?

The closest airport to Grant Park is Chicago O'Hare Intl, 16.2 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.

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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 £448
Edinburgh Turnhouse to Chicago Flightsfrom £546
Manchester to Chicago Flightsfrom £531
Birmingham to Chicago Flightsfrom £529
Glasgow to Chicago Flightsfrom £548
Exeter to Chicago Flightsfrom £722
Bristol to Chicago Flightsfrom £679
Newcastle upon Tyne to Chicago Flightsfrom £627
Southampton Eastleigh to Chicago Flightsfrom £643
Belfast to Chicago Flightsfrom £674
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Norwich Arpt to Chicago Flightsfrom £838
Cornwall Newquay to Chicago Flightsfrom £693
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Cardiff Wales to Chicago Flightsfrom £711
Inverness to Chicago Flightsfrom £623
Grimsby Humberside to Chicago Flightsfrom £823
Doncaster Sheffield to Chicago Flightsfrom £1,435
Darlington Teesside Intl to Chicago Flightsfrom £710