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Flights to Chicago

£247 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 9/9. 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
07:20 - 19:52
EDI
-
ORD
42h 32m
3 stops
Multiple Airlines Logo
19:25 - 23:30
ORD
-
EDI
22h 05m
2 stops
£410Multiple Airlines
Wed, 26 Aug - Sat, 29 Aug
Multiple Airlines Logo
21:30 - 19:52
BHX
-
ORD
28h 22m
3 stops
Multiple Airlines Logo
19:25 - 22:40
ORD
-
BHX
21h 15m
2 stops
£443Multiple Airlines
Wed, 19 Aug - Mon, 31 Aug
Multiple Airlines Logo
21:30 - 19:52
BHX
-
ORD
28h 22m
3 stops
Multiple Airlines Logo
19:25 - 22:40
ORD
-
BHX
21h 15m
2 stops
£444Multiple Airlines
Wed, 19 Aug - Mon, 31 Aug
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
Icelandair Logo
19:25 - 14:40
ORD
-
LGW
13h 15m
1 stop
£514Icelandair
Sun, 20 Sep - Tue, 13 Oct
Icelandair Logo
21:25 - 18:15
LHR
-
ORD
26h 50m
1 stop
Icelandair Logo
19:25 - 20:20
ORD
-
LHR
18h 55m
1 stop
£514Icelandair
Sat, 26 Sep - Mon, 5 Oct
Lufthansa Logo
05:55 - 14:55
BHX
-
ORD
15h 00m
1 stop
Lufthansa Logo
20:40 - 09:45
ORD
-
BHX
31h 05m
2 stops
£514Lufthansa
Fri, 11 Sep - Sat, 26 Sep
Scandinavian Airlines Logo
10:20 - 16:45
LHR
-
ORD
12h 25m
1 stop
Scandinavian Airlines Logo
19:15 - 16:25
ORD
-
LHR
15h 10m
2 stops
£516Scandinavian Airlines
Wed, 11 Nov - Sun, 15 Nov
Aer Lingus Logo
12:10 - 18:25
LHR
-
ORD
12h 15m
1 stop
Aer Lingus Logo
15:55 - 08:05
ORD
-
LHR
10h 10m
1 stop
£521Aer Lingus
Wed, 4 Nov - Sat, 7 Nov
Scandinavian Airlines Logo
06:40 - 16:10
LHR
-
ORD
15h 30m
1 stop
Scandinavian Airlines Logo
20:15 - 17:40
ORD
-
LHR
16h 25m
1 stop
£522Scandinavian Airlines
Tue, 13 Oct - Mon, 26 Oct
Lufthansa Logo
09:15 - 14:55
LCY
-
ORD
11h 40m
1 stop
Lufthansa Logo
22:30 - 17:55
ORD
-
LCY
13h 25m
1 stop
£596Lufthansa
Tue, 8 Sep - Wed, 23 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 2 July 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

EdinburghChicago

EDI - ORD

EDIORD

Edinburgh Turnhouse

Wed 26/8

07:20-19:52

3 stops42h 32m

Chicago O'Hare Intl

Sat 29/8

19:25-23:30

2 stops22h 05m

£410

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 19/8

21:30-19:52

3 stops28h 22m

Chicago O'Hare Intl

Mon 31/8

19:25-22:40

2 stops21h 15m

£443

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 19/8

21:30-19:52

3 stops28h 22m

Chicago O'Hare Intl

Mon 31/8

19:25-22:40

2 stops21h 15m

£444

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Sun 20/9

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Tue 13/10

19:25-14:40

1 stop13h 15m

£514

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Sat 26/9

21:25-18:15

1 stop26h 50m

Chicago O'Hare Intl

Mon 5/10

19:25-20:20

1 stop18h 55m

£514

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Fri 11/9

05:55-14:55

1 stop15h 00m

Chicago O'Hare Intl

Sat 26/9

20:40-09:45

2 stops31h 05m

£514

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 11/11

10:20-16:45

1 stop12h 25m

Chicago O'Hare Intl

Sun 15/11

19:15-16:25

2 stops15h 10m

£516
Fastest return journey

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Wed 4/11

12:10-18:25

1 stop12h 15m

Chicago O'Hare Intl

Sat 7/11

15:55-08:05

1 stop10h 10m

£521

LondonChicago

LHR - ORD

LHRORD

London Heathrow

Tue 13/10

06:40-16:10

1 stop15h 30m

Chicago O'Hare Intl

Mon 26/10

20:15-17:40

1 stop16h 25m

£522

LondonChicago

LCY - ORD

LCYORD

London City

Tue 8/9

09:15-14:55

1 stop11h 40m

Chicago O'Hare Intl

Wed 23/9

22:30-17:55

1 stop13h 25m

£596

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 £440, 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 £446.

What is the absolute cheapest flight to Chicago?

The best price found on momondo to Chicago was £65/pp from Dallas, which is 48% 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 £679. 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 £695.

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 £668 when looking at flights departing at midday. Flights in the afternoon are often more expensive, with an average ticket price of £697.

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 £616 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 £549 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 AIRPORTSeptember23% cheaperFlying from London Heathrow Airport to Chicago costs on average just £459 in September
MOST EXPENSIVE MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTJuly20% more expensiveIt costs about £710 for flights to Chicago from London Heathrow Airport in July
MOST POPULAR MONTH TO FLY TO CHICAGO FROM LONDON HEATHROW AIRPORTOctober215% 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

£247

Best Round-Trip Price

£410

Fastest flight time

11h 54m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 5 days is £247 (Birmingham 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 £410 (Edinburgh Turnhouse to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United Kingdom takes 11h 54m (London Heathrow to Chicago Midway).
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July has the highest demand for flights to Chicago, with a 16% 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 42 days in advance, when prices tend to average £563. However, in the past 72 hours, people saw flights from United Kingdom for as low as £440.

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 £64. 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 July 2026, there are 20 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.

An easier way to manage your Chicago trip

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