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Flights to Chicago

£274 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 15/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
Multiple Airlines Logo
08:30 - 18:15
BHX
-
ORD
15h 45m
2 stops
Multiple Airlines Logo
19:25 - 22:40
ORD
-
BHX
21h 15m
2 stops
£524Multiple Airlines
Wed, 26 Aug - Mon, 31 Aug
Multiple Airlines Logo
12:25 - 18:15
BHX
-
ORD
35h 50m
2 stops
Multiple Airlines Logo
19:25 - 21:55
ORD
-
BHX
20h 30m
2 stops
£529Multiple Airlines
Wed, 9 Sep - Wed, 23 Sep
Lufthansa Logo
10:35 - 18:15
MAN
-
ORD
13h 40m
1 stop
Lufthansa Logo
18:30 - 08:40
ORD
-
MAN
32h 10m
1 stop
£530Lufthansa
Tue, 6 Oct - Sat, 14 Nov
Lufthansa Logo
09:00 - 08:00
EDI
-
ORD
29h 00m
1 stop
Lufthansa Logo
18:40 - 08:25
ORD
-
EDI
7h 45mdirect
£533Lufthansa
Sat, 15 Aug - Sat, 29 Aug
Aer Lingus Logo
08:10 - 19:15
BHX
-
ORD
17h 05m
1 stop
Aer Lingus Logo
15:45 - 16:05
ORD
-
BHX
18h 20m
1 stop
£548Aer Lingus
Wed, 9 Sep - Wed, 16 Sep
Aer Lingus Logo
08:10 - 14:00
BHX
-
ORD
11h 50m
1 stop
Aer Lingus Logo
15:45 - 07:40
ORD
-
BHX
9h 55m
1 stop
£549Aer Lingus
Sat, 5 Sep - Sat, 12 Sep
Icelandair Logo
13:05 - 18:15
MAN
-
ORD
11h 10m
1 stop
Icelandair Logo
22:25 - 11:40
ORD
-
MAN
31h 15m
1 stop
£554Icelandair
Wed, 16 Sep - Wed, 23 Sep
Icelandair Logo
13:05 - 21:25
MAN
-
ORD
14h 20m
1 stop
Icelandair Logo
22:25 - 11:40
ORD
-
MAN
31h 15m
1 stop
£556Icelandair
Wed, 16 Sep - Wed, 23 Sep
British Airways Logo
12:20 - 19:15
BHX
-
ORD
12h 55m
1 stop
British Airways Logo
15:45 - 11:50
ORD
-
BHX
14h 05m
1 stop
£562British Airways
Wed, 9 Sep - Wed, 23 Sep
British Airways Logo
09:45 - 12:30
LHR
-
ORD
8h 45mdirect
British Airways Logo
17:50 - 07:40
ORD
-
LHR
7h 50mdirect
£576British Airways
Tue, 1 Sep - Fri, 18 Sep

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 20 June 2026.
Use the filters below to find and compare flights to Chicago that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 26/8

08:30-18:15

2 stops15h 45m

Chicago O'Hare Intl

Mon 31/8

19:25-22:40

2 stops21h 15m

£524

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 9/9

12:25-18:15

2 stops35h 50m

Chicago O'Hare Intl

Wed 23/9

19:25-21:55

2 stops20h 30m

£529

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 6/10

10:35-18:15

1 stop13h 40m

Chicago O'Hare Intl

Sat 14/11

18:30-08:40

1 stop32h 10m

£530

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Sat 15/8

09:00-08:00

1 stop29h 00m

Chicago O'Hare Intl

Sat 29/8

18:40-08:25

Nonstop7h 45m

£533

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 9/9

08:10-19:15

1 stop17h 05m

Chicago O'Hare Intl

Wed 16/9

15:45-16:05

1 stop18h 20m

£548

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Sat 5/9

08:10-14:00

1 stop11h 50m

Chicago O'Hare Intl

Sat 12/9

15:45-07:40

1 stop9h 55m

£549

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 16/9

13:05-18:15

1 stop11h 10m

Chicago O'Hare Intl

Wed 23/9

22:25-11:40

1 stop31h 15m

£554

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 16/9

13:05-21:25

1 stop14h 20m

Chicago O'Hare Intl

Wed 23/9

22:25-11:40

1 stop31h 15m

£556

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 9/9

12:20-19:15

1 stop12h 55m

Chicago O'Hare Intl

Wed 23/9

15:45-11:50

1 stop14h 05m

£562
Fastest return journey

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 1/9

09:45-12:30

Nonstop8h 45m

Chicago O'Hare Intl

Fri 18/9

17:50-07:40

Nonstop7h 50m

£576

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 November instead. Flights to Chicago in November, while not as cheap as those in February, still average around £443.

What is the absolute cheapest flight to Chicago?

The best price found on momondo to Chicago was £78/pp from Boston, which is 37% 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 £677. 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 Sunday, with ticket prices averaging around £694.

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 £670 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £696.

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 £615 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 £533 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 AIRPORTSeptember22% cheaperFlying from London Heathrow Airport to Chicago costs on average just £463 in September
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJune17% more expensiveIt costs about £691 for flights to Chicago from London Heathrow Airport in June
MOST POPULAR MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTOctober213% more users visitedMore momondo users searched in flights to Chicago from London Heathrow Airport in October than any other month

Cheap Chicago flight deals and tips

Summary info about Chicago flight prices, duration and airlines

Best One-Way Price

£274

Best Round-Trip Price

£524

Fastest flight time

9h 10m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 5 days is £274 (Manchester to Chicago O'Hare Intl).
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The best round-trip flight price to Chicago from United Kingdom in the last 5 days is £524 (Birmingham to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United Kingdom takes 9h 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 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 35 days in advance, when prices tend to average £561. However, in the past 72 hours, people saw flights from United Kingdom for as low as £433.

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 Greater Rockford Airport where the average price is £65. 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 June 2026, there are 22 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.

Travelling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Schererville

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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