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Flights to Chicago O'Hare Intl

£244 Cheap flights to Chicago O'Hare Intl Airport

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 O'Hare Intl Airport departing on 27/5. 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 O'Hare Intl Airport

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
13:50 - 17:50
MAN
-
ORD
34h 00m
2 stops
Multiple Airlines Logo
19:25 - 11:40
ORD
-
MAN
10h 15m
1 stop
£487Multiple Airlines
Tue, 2 Jun - Thu, 17 Sep
Multiple Airlines Logo
21:25 - 18:15
MAN
-
ORD
26h 50m
2 stops
Multiple Airlines Logo
22:25 - 12:05
ORD
-
MAN
31h 40m
3 stops
£494Multiple Airlines
Wed, 27 May - Wed, 3 Jun
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
Icelandair Logo
19:25 - 14:40
ORD
-
LGW
13h 15m
1 stop
£495Icelandair
Wed, 16 Sep - Wed, 14 Oct
Icelandair Logo
15:40 - 21:25
LGW
-
ORD
11h 45m
1 stop
Icelandair Logo
22:25 - 14:40
ORD
-
LGW
10h 15m
1 stop
£496Icelandair
Wed, 13 May - Tue, 7 Jul
Aer Lingus Logo
08:10 - 19:15
BHX
-
ORD
17h 05m
1 stop
Aer Lingus Logo
21:00 - 19:55
ORD
-
BHX
16h 55m
1 stop
£556Aer Lingus
Sun, 10 May - Sun, 17 May
Lufthansa Logo
09:15 - 19:55
LCY
-
ORD
16h 40m
1 stop
Lufthansa Logo
22:30 - 17:55
ORD
-
LCY
13h 25m
1 stop
£579Lufthansa
Wed, 2 Sep - Wed, 16 Sep
Lufthansa Logo
09:15 - 19:55
LCY
-
ORD
16h 40m
1 stop
Lufthansa Logo
22:30 - 17:55
ORD
-
LCY
13h 25m
1 stop
£588Lufthansa
Tue, 22 Sep - Tue, 29 Sep
Scandinavian Airlines Logo
19:15 - 16:10
BHX
-
ORD
26h 55m
1 stop
Scandinavian Airlines Logo
06:00 - 18:35
ORD
-
BHX
30h 35m
2 stops
£590Scandinavian Airlines
Mon, 24 Aug - Wed, 30 Sep
Aer Lingus Logo
08:10 - 14:00
BHX
-
ORD
11h 50m
1 stop
Aer Lingus Logo
21:00 - 18:10
ORD
-
BHX
15h 10m
1 stop
£601Aer Lingus
Wed, 10 Jun - Thu, 18 Jun
Scandinavian Airlines Logo
19:15 - 22:06
BHX
-
ORD
32h 51m
2 stops
Scandinavian Airlines Logo
07:00 - 18:35
ORD
-
BHX
29h 35m
2 stops
£607Scandinavian Airlines
Mon, 24 Aug - Wed, 30 Sep

momondo Fare Finder

 
Locate flights to Chicago O'Hare Intl 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 16 April 2026.
Use the filters below to find and compare flights to Chicago O'Hare Intl Airport that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest return flight

ManchesterChicago

MAN - ORD

MANORD

Manchester

Tue 2/6

13:50-17:50

2 stops34h 00m

Chicago O'Hare Intl

Thu 17/9

19:25-11:40

1 stop10h 15m

£487

ManchesterChicago

MAN - ORD

MANORD

Manchester

Wed 27/5

21:25-18:15

2 stops26h 50m

Chicago O'Hare Intl

Wed 3/6

22:25-12:05

3 stops31h 40m

£494

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 16/9

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Wed 14/10

19:25-14:40

1 stop13h 15m

£495
Fastest return journey

LondonChicago

LGW - ORD

LGWORD

London Gatwick

Wed 13/5

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Tue 7/7

22:25-14:40

1 stop10h 15m

£496

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Sun 10/5

08:10-19:15

1 stop17h 05m

Chicago O'Hare Intl

Sun 17/5

21:00-19:55

1 stop16h 55m

£556

LondonChicago

LCY - ORD

LCYORD

London City

Wed 2/9

09:15-19:55

1 stop16h 40m

Chicago O'Hare Intl

Wed 16/9

22:30-17:55

1 stop13h 25m

£579

LondonChicago

LCY - ORD

LCYORD

London City

Tue 22/9

09:15-19:55

1 stop16h 40m

Chicago O'Hare Intl

Tue 29/9

22:30-17:55

1 stop13h 25m

£588

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Mon 24/8

19:15-16:10

1 stop26h 55m

Chicago O'Hare Intl

Wed 30/9

06:00-18:35

2 stops30h 35m

£590

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Wed 10/6

08:10-14:00

1 stop11h 50m

Chicago O'Hare Intl

Thu 18/6

21:00-18:10

1 stop15h 10m

£601

BirminghamChicago

BHX - ORD

BHXORD

Birmingham

Mon 24/8

19:15-22:06

2 stops32h 51m

Chicago O'Hare Intl

Wed 30/9

07:00-18:35

2 stops29h 35m

£607

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Chicago O'Hare Intl Airport from

Flights to Chicago O'Hare Intl Airport – Travel Insights & Trends

Get data-powered insights and trends for flights to Chicago O'Hare Intl Airport to help you craft the best travel plan.

What cabin class options are available on United Kingdom to Chicago O'Hare Intl flights?

There are 4 cabin classes available to choose from on United Kingdom to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest day to depart from United Kingdom to Chicago O'Hare Intl Airport is on a Wednesday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Wednesday will often find tickets for as low as £632. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Chicago O'Hare Intl Airport on Sunday is £663.

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The cheapest month to fly to Chicago O'Hare Intl Airport from United Kingdom is in September. 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 September, then book flights to Chicago O'Hare Intl Airport from United Kingdom during November instead. Flights to Chicago O'Hare Intl Airport in November, while not as cheap as those in September, still average around £470.

What is the cheapest time of day to depart on your flight to Chicago O'Hare Intl Airport?

The cheapest time of day to fly to Chicago O'Hare Intl Airport is at midday when flights can be purchased for as low as £635. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the afternoon when prices are around £657.

What is the cheapest United Kingdom to Chicago O'Hare Intl flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best United Kingdom - Chicago O'Hare Intl flight prices

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from United Kingdom when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around £563 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from United Kingdom for as low as £441 on momondo.

Cheapest flights to Chicago O'Hare Intl

Find the cheapest flights to Chicago O'Hare Intl from your nearest city or airport
Find flights from London Heathrow Airport to Chicago O'Hare Intl Airport
CHEAPEST MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LONDON HEATHROW AIRPORTSeptember24% cheaperFlying from London Heathrow Airport to Chicago O'Hare Intl Airport costs on average just £432 in September
MOST EXPENSIVE MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LONDON HEATHROW AIRPORTMarch27% more expensiveIt costs about £719 for flights to Chicago O'Hare Intl Airport from London Heathrow Airport in March
MOST POPULAR MONTH TO FLY TO CHICAGO O'HARE INTL AIRPORT FROM LONDON HEATHROW AIRPORTJuly357% more users visitedMore momondo users searched in flights to Chicago O'Hare Intl Airport from London Heathrow Airport in July than any other month

Cheap Chicago O'Hare Intl Airport flight deals and tips

Summary info about Chicago O'Hare Intl Airport flight prices, duration and airlines

Best One-Way Price

£244

Best Round-Trip Price

£487

Fastest flight time

12h 40m

Popular in

July
The best one-way flight price to Chicago from United Kingdom in the last 72 hours is £244 (Edinburgh Turnhouse to Chicago O'Hare Intl).
Search Deals
The best round-trip flight price to Chicago from United Kingdom in the last 72 hours is £487 (Manchester to Chicago O'Hare Intl).
Search Deals
The fastest flight to Chicago from United Kingdom takes 12h 40m (London City to Chicago O'Hare Intl).
Search Deals
July has the highest demand for flights to Chicago, with a 15% price increase on average.
Search Deals

Frequently asked questions about flying to Chicago O'Hare Intl Airport

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

In general, when looking for the cheapest flight to Chicago O'Hare Intl Airport, try to choose a flight departing in September for the best deal.

How far in advance should I book a flight to Chicago O'Hare Intl Airport?

From most locations, booking your flights to Chicago O'Hare Intl Airport around 70 days prior to your departure date finds the best deals.

What is the cheapest day to depart on your flight to Chicago O'Hare Intl Airport?

From most locations, the cheapest flights to Chicago O'Hare Intl Airport are found on a Wednesday. Booking a Sunday departure is usually the most expensive.

What is the cheapest time of day to fly to Chicago O'Hare Intl Airport?

On average you can find the best deals on plane tickets to Chicago O'Hare Intl Airport when looking for flights with Midday departure times.

Is there an alternative airport near Chicago O'Hare Intl Airport?

Chicago Midway Airport or Chicago Greater Rockford Airport can be an alternative airport used for travel to Chicago.

Is there a cheaper alternative to flying into Chicago?

Chicago Greater Rockford Airport has an average price of £63 per person and is typically the cheapest airport to fly into when visiting Chicago. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

Which airlines fly to Chicago O'Hare Intl Airport?

There are 16 airlines that fly to Chicago O'Hare Intl Airport on a routine basis, but British Airways, Aer Lingus and Icelandair happen to be the most popular among our users. In the past year, 50% of those who searched for flights to Chicago O'Hare Intl Airport looked to travel with British Airways, making this airline the top choice among momondo travellers.

When did momondo last update prices for flights to Chicago O'Hare Intl Airport?

Prices for flights to Chicago O'Hare Intl Airport are updated daily.

How many operators does momondo search for flights to Chicago O'Hare Intl Airport?

The number of operators available for flights to Chicago O'Hare Intl Airport is 26 as of April 2026.

How old do you have to be to fly to Chicago O'Hare Intl Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel to Chicago O'Hare Intl Airport.

What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

The required travel and health documents for your Chicago O'Hare Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Chicago O'Hare Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Travelling to a place near Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Lincolnshire
Racine
Evanston
Schaumburg
Lake Geneva
Joliet
Oak Park
Northbrook
Elgin
Rosemont

Why use momondo?

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

We help find the flight that best suits your needs; momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight for you.

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

Yes. momondo allows you to filter the results for flights to Chicago to just show those with flexible booking policies.

How can momondo help me find flights to Chicago?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as filter your options to help you make an informed choice when booking flights to Chicago.

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

Of course. momondo tracks the price of Chicago flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Find better results for your trip to Chicago O'Hare Intl Airport ORD

Popular Flights to Chicago O'Hare Intl Airport

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