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Flights to Chicago

£215 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 2/3. 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.
Icelandair Logo
11:55 - 17:20LGW-ORD
11h 25m1 stop
Icelandair Logo
19:30 - 10:55ORD-LGW
10h 25m1 stop
£424Icelandair
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Wed, 4 Mar - Tue, 10 Mar
Multiple Airlines Logo
07:25 - 16:45MAN-ORD
15h 20m2 stops
Multiple Airlines Logo
19:10 - 23:55ORD-MAN
22h 45m2 stops
£425Multiple Airlines
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Sat, 7 Feb - Sun, 15 Feb
Scandinavian Airlines Logo
20:55 - 16:45MAN-ORD
25h 50m2 stops
Scandinavian Airlines Logo
19:20 - 12:15ORD-MAN
34h 55m2 stops
£428Scandinavian Airlines
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Fri, 13 Feb - Wed, 18 Feb
Multiple Airlines Logo
21:45 - 16:55STN-ORD
25h 10m2 stops
Multiple Airlines Logo
19:10 - 23:00ORD-STN
21h 50m2 stops
£430Multiple Airlines
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Sat, 7 Feb - Sun, 15 Feb
British Airways Logo
13:25 - 19:00LHR-ORD
11h 35m1 stop
British Airways Logo
20:50 - 13:25ORD-LHR
10h 35m1 stop
£438British Airways
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Mon, 13 Apr - Mon, 27 Apr
British Airways Logo
08:50 - 14:00LHR-ORD
11h 10m1 stop
British Airways Logo
21:15 - 11:15ORD-LHR
8h 00mdirect
£440British Airways
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Mon, 13 Apr - Mon, 27 Apr
Aer Lingus Logo
07:50 - 14:00LHR-ORD
12h 10m1 stop
Aer Lingus Logo
15:50 - 08:05ORD-LHR
10h 15m1 stop
£442Aer Lingus
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Sat, 6 Dec - Wed, 17 Dec
Finnair Logo
12:35 - 15:25LHR-ORD
8h 50mdirect
Finnair Logo
18:35 - 08:15ORD-LHR
7h 40mdirect
£442Finnair
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Sat, 6 Dec - Wed, 10 Dec
Lufthansa Logo
11:30 - 14:05EDI-ORD
8h 35mdirect
Lufthansa Logo
18:35 - 08:25ORD-EDI
7h 50mdirect
£531Lufthansa
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Thu, 14 May - Mon, 18 May
Aer Lingus Logo
13:30 - 19:15EDI-ORD
11h 45m1 stop
Aer Lingus Logo
21:00 - 14:45ORD-EDI
11h 45m1 stop
£533Aer Lingus
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Thu, 8 Jan - Thu, 15 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 27 November 2025.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

Route

Depart

Return

Price

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 4/3

11:55-17:20

1 stop11h 25m

Chicago O'Hare Intl

Tue 10/3

19:30-10:55

1 stop10h 25m

£424

ManchesterChicago

MAN - ORD

MANORD

Manchester

Sat 7/2

07:25-16:45

2 stops15h 20m

Chicago O'Hare Intl

Sun 15/2

19:10-23:55

2 stops22h 45m

£425

ManchesterChicago

MAN - ORD

MANORD

Manchester

Fri 13/2

20:55-16:45

2 stops25h 50m

Chicago O'Hare Intl

Wed 18/2

19:20-12:15

2 stops34h 55m

£428

LondonChicago

STN - ORD

STNORD

London Stansted

Sat 7/2

21:45-16:55

2 stops25h 10m

Chicago O'Hare Intl

Sun 15/2

19:10-23:00

2 stops21h 50m

£430

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 13/4

13:25-19:00

1 stop11h 35m

Chicago O'Hare Intl

Mon 27/4

20:50-13:25

1 stop10h 35m

£438

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Mon 13/4

08:50-14:00

1 stop11h 10m

Chicago O'Hare Intl

Mon 27/4

21:15-11:15

Nonstop8h 00m

£440

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/12

07:50-14:00

1 stop12h 10m

Chicago O'Hare Intl

Wed 17/12

15:50-08:05

1 stop10h 15m

£442

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 6/12

12:35-15:25

Nonstop8h 50m

Chicago O'Hare Intl

Wed 10/12

18:35-08:15

Nonstop7h 40m

£442

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Thu 14/5

11:30-14:05

Nonstop8h 35m

Chicago O'Hare Intl

Mon 18/5

18:35-08:25

Nonstop7h 50m

£531

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Thu 8/1

13:30-19:15

1 stop11h 45m

Chicago O'Hare Intl

Thu 15/1

21:00-14:45

1 stop11h 45m

£533

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 £439, 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 £442.

What is the absolute cheapest flight to Chicago?

The best price found on momondo to Chicago was £44/pp from Newark, which is 81% 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.
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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 £623. 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 £678.

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 £509 when looking at flights departing in the evening. Flights in the afternoon are often more expensive, with an average ticket price of £684.

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 £555 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 £528 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 £454 in February
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly20% more expensiveIt costs about £651 for flights to Chicago from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly255% 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

£215

Best Round-Trip Price

£424

Fastest flight time

11h 10m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 72 hours is £215 (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 £424 (London Gatwick to Chicago O'Hare Intl).
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The fastest flight to Chicago from United Kingdom takes 11h 10m (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 88 days in advance, when prices tend to average £528. However, in the past 72 hours, people saw flights from United Kingdom for as low as £449.

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 £235. 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 Midway airport which is 8.9 mi away.

What’s the closest airport to Union Station?

The closest airport to Union Station is Chicago Midway, 8.3 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 November 2025, there are 28 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 £459
Manchester to Chicago Flightsfrom £494
Glasgow to Chicago Flightsfrom £546
Edinburgh Turnhouse to Chicago Flightsfrom £556
Newcastle upon Tyne to Chicago Flightsfrom £626
Birmingham to Chicago Flightsfrom £517
Leeds/Bradford to Chicago Flightsfrom £519
Belfast to Chicago Flightsfrom £647
Southampton Eastleigh to Chicago Flightsfrom £745
Exeter to Chicago Flightsfrom £818
Bristol to Chicago Flightsfrom £708
Cornwall Newquay to Chicago Flightsfrom £981
Inverness to Chicago Flightsfrom £741
Norwich Arpt to Chicago Flightsfrom £985
Cardiff Wales to Chicago Flightsfrom £793
Darlington Teesside Intl to Chicago Flightsfrom £796
Liverpool J. Lennon to Chicago Flightsfrom £699
Grimsby Humberside to Chicago Flightsfrom £907
Doncaster Sheffield to Chicago Flightsfrom £1,435