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Cheap flights from London Gatwick Airport to Chicago from £353

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Chicago departing on 15/12. 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

Find the cheapest flights from London Gatwick Airport to Chicago

Cheap return flights

Enter your travel dates to find the best prices.
TAP AIR PORTUGAL Logo
16:00 - 15:30LGW  London Gatwick-ORD Chicago O'Hare Intl
29h 30m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
20:10 - 15:45ORD  Chicago O'Hare Intl-LGW London Gatwick
13h 35m1 stop Lisbon Humberto Delgado
£467TAP AIR PORTUGAL
Thu, 19 Nov - Sun, 29 Nov
Multiple Airlines Logo
10:10 - 23:50LGW  London Gatwick-ORD Chicago O'Hare Intl
19h 40m1 stop Orlando
Multiple Airlines Logo
06:15 - 06:50ORD  Chicago O'Hare Intl-LGW London Gatwick
18h 35m1 stop Orlando
£468Multiple Airlines
Tue, 17 Nov - Thu, 10 Dec
TAP AIR PORTUGAL Logo
16:25 - 12:40LGW  London Gatwick-ORD Chicago O'Hare Intl
26h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
19:00 - 15:05ORD  Chicago O'Hare Intl-LGW London Gatwick
14h 05m1 stop Lisbon Humberto Delgado
£468TAP AIR PORTUGAL
Wed, 21 Oct - Wed, 4 Nov
Multiple Airlines Logo
11:45 - 19:15LGW  London Gatwick-ORD Chicago O'Hare Intl
13h 30m1 stop Dublin
Multiple Airlines Logo
15:45 - 18:25ORD  Chicago O'Hare Intl-LGW London Gatwick
20h 40m1 stop Dublin
£468Multiple Airlines
Wed, 30 Sep - Wed, 7 Oct
Multiple Airlines Logo
10:10 - 23:50LGW  London Gatwick-ORD Chicago O'Hare Intl
19h 40m1 stop Orlando
Multiple Airlines Logo
09:26 - 06:50ORD  Chicago O'Hare Intl-LGW London Gatwick
15h 24m1 stop Orlando
£469Multiple Airlines
Tue, 3 Nov - Thu, 12 Nov
TAP AIR PORTUGAL Logo
16:25 - 12:40LGW  London Gatwick-ORD Chicago O'Hare Intl
26h 15m1 stop Lisbon Humberto Delgado
TAP AIR PORTUGAL Logo
18:00 - 15:10ORD  Chicago O'Hare Intl-LGW London Gatwick
15h 10m1 stop Lisbon Humberto Delgado
£471TAP AIR PORTUGAL
Wed, 7 Oct - Sun, 18 Oct
Multiple Airlines Logo
11:15 - 18:25LGW  London Gatwick-ORD Chicago O'Hare Intl
13h 10m1 stop Dublin
Multiple Airlines Logo
15:55 - 08:20ORD  Chicago O'Hare Intl-LGW London Gatwick
10h 25m1 stop Dublin
£472Multiple Airlines
Wed, 25 Nov - Mon, 30 Nov
Multiple Airlines Logo
17:00 - 18:15LGW  London Gatwick-ORD Chicago O'Hare Intl
31h 15m2 stops Kastrup Copenhagen Reykjavik Keflavik Intl
Multiple Airlines Logo
19:25 - 16:20ORD  Chicago O'Hare Intl-LGW London Gatwick
14h 55m2 stops Reykjavik Keflavik Intl Kastrup Copenhagen
£474Multiple Airlines
Tue, 29 Sep - Tue, 6 Oct
Icelandair Logo
15:40 - 18:15LGW  London Gatwick-ORD Chicago O'Hare Intl
32h 35m1 stop Reykjavik Keflavik Intl
Icelandair Logo
18:30 - 10:55ORD  Chicago O'Hare Intl-LGW London Gatwick
10h 25m1 stop Reykjavik Keflavik Intl
£483Icelandair
Wed, 21 Oct - Sun, 1 Nov
Icelandair Logo
15:40 - 21:25LGW  London Gatwick-ORD Chicago O'Hare Intl
11h 45m1 stop Reykjavik Keflavik Intl
Icelandair Logo
22:25 - 14:40ORD  Chicago O'Hare Intl-LGW London Gatwick
10h 15m1 stop Reykjavik Keflavik Intl
£486Icelandair
Mon, 31 Aug - Mon, 7 Sep

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TAP AIR PORTUGAL flights from London Gatwick Airport to Chicago O'Hare Intl Airport

Our best TAP AIR PORTUGAL deals on London Gatwick Airport to Chicago O'Hare Intl Airport flight tickets
TAP AIR PORTUGAL
19 Nov
LGW16:00London Gatwick
29h 30m
1 stop
ORD15:30Chicago O'Hare Intl
29 Nov
ORD20:10Chicago O'Hare Intl
13h 35m
1 stop
LGW15:45London Gatwick
£467
TAP AIR PORTUGAL
7 Oct
LGW16:25London Gatwick
26h 15m
1 stop
ORD12:40Chicago O'Hare Intl
18 Oct
ORD18:00Chicago O'Hare Intl
15h 10m
1 stop
LGW15:10London Gatwick
£471
TAP AIR PORTUGAL
14 Oct
LGW16:25London Gatwick
26h 15m
1 stop
ORD12:40Chicago O'Hare Intl
21 Oct
ORD18:00Chicago O'Hare Intl
33h 45m
1 stop
LGW09:45London Gatwick
£476

Icelandair flights from London Gatwick Airport to Chicago O'Hare Intl Airport

Our best Icelandair deals on London Gatwick Airport to Chicago O'Hare Intl Airport flight tickets
Icelandair
31 Aug
LGW15:40London Gatwick
11h 45m
1 stop
ORD21:25Chicago O'Hare Intl
7 Sept
ORD22:25Chicago O'Hare Intl
10h 15m
1 stop
LGW14:40London Gatwick
£486
Icelandair
29 Aug
LGW15:40London Gatwick
11h 45m
1 stop
ORD21:25Chicago O'Hare Intl
5 Sept
ORD19:25Chicago O'Hare Intl
10h 20m
1 stop
LGW11:45London Gatwick
£490
Icelandair
1 Sept
LGW15:40London Gatwick
11h 45m
1 stop
ORD21:25Chicago O'Hare Intl
31 Oct
ORD19:30Chicago O'Hare Intl
10h 25m
1 stop
LGW10:55London Gatwick
£498

momondo Fare Finder

 
Customise your flight search to find flights from London Gatwick Airport to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 17 August 2026.
Use the filters below to find and compare flights from London Gatwick Airport to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Thu 19/11

16:00-15:30

1 stop29h 30m

Chicago O'Hare Intl

Sun 29/11

20:10-15:45

1 stop13h 35m

£467

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 17/11

10:10-23:50

1 stop19h 40m

Chicago O'Hare Intl

Thu 10/12

06:15-06:50

1 stop18h 35m

£468

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 21/10

16:25-12:40

1 stop26h 15m

Chicago O'Hare Intl

Wed 4/11

19:00-15:05

1 stop14h 05m

£468

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 30/9

11:45-19:15

1 stop13h 30m

Chicago O'Hare Intl

Wed 7/10

15:45-18:25

1 stop20h 40m

£468

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 3/11

10:10-23:50

1 stop19h 40m

Chicago O'Hare Intl

Thu 12/11

09:26-06:50

1 stop15h 24m

£469

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 7/10

16:25-12:40

1 stop26h 15m

Chicago O'Hare Intl

Sun 18/10

18:00-15:10

1 stop15h 10m

£471

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 25/11

11:15-18:25

1 stop13h 10m

Chicago O'Hare Intl

Mon 30/11

15:55-08:20

1 stop10h 25m

£472

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Tue 29/9

17:00-18:15

2 stops31h 15m

Chicago O'Hare Intl

Tue 6/10

19:25-16:20

2 stops14h 55m

£474

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Wed 21/10

15:40-18:15

1 stop32h 35m

Chicago O'Hare Intl

Sun 1/11

18:30-10:55

1 stop10h 25m

£483
Fastest return journey

LondonChicago

LGW London Gatwick - ORD Chicago O'Hare Intl

LGWORD

London Gatwick

Mon 31/8

15:40-21:25

1 stop11h 45m

Chicago O'Hare Intl

Mon 7/9

22:25-14:40

1 stop10h 15m

£486

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

How to get the cheapest flight ticket from London Gatwick Airport to Chicago O'Hare Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

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 London Gatwick Airport is in September. Flight prices, which tend to average around £373, 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 London Gatwick Airport during May instead. Flights to Chicago O'Hare Intl Airport in May, while not as cheap as those in September, still average around £429.

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

The cheapest day to depart from London Gatwick Airport to Chicago O'Hare Intl Airport is on a Thursday. Travellers who choose to depart for Chicago O'Hare Intl Airport on a Thursday will often find tickets for as low as £673. 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 £722.

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 £655. In contrast, the most expensive time of day to depart to Chicago O'Hare Intl Airport is in the morning when prices are around £689.

When to book flights from London Gatwick Airport to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Gatwick Airport to Chicago O'Hare Intl Airport (LGW to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Chicago O'Hare Intl Airport

Best price found

£353

Fastest flight time

11h 25m

Direct flights

None
The best one-way flight to Chicago O'Hare Intl Airport from London Gatwick Airport in the past 72 hours is £353. The best return flight deal from London Gatwick Airport to Chicago O'Hare Intl Airport found on momondo in the last 72 hours is £467.
The fastest flight from London Gatwick Airport to Chicago O'Hare Intl Airport takes 11h 25m
There are no direct flights from London Gatwick Airport to Chicago O'Hare Intl Airport. There are no popular flight routes from London Gatwick Airport to Chicago O'Hare Intl Airport.
Search flight deals

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

  • How far is London Gatwick to Chicago O'Hare Intl by plane?

    London Gatwick and Chicago O'Hare Intl are 3960.0 mi apart from one another. By plane, this route typically takes 11h 25m.

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

    Prices for flights from London Gatwick Airport to Chicago O'Hare Intl Airport were last updated today.

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

  • How old do you have to be to fly from London Gatwick Airport 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 from London Gatwick Airport to Chicago O'Hare Intl Airport.

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

    The travel and health documents you'll need for your trip to Chicago O'Hare Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chicago O'Hare Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from London Gatwick Airport to Chicago O'Hare Intl Airport?

Best airlines flying from London Gatwick Airport to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from London Gatwick Airport to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £352Free CancellationRating
6.9
731 reviews
Search Icelandair flights

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

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

All flight searches from London to Chicago on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Chicago?

momondo helps you find the best flight between London and Chicago by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes momondo offers price alerts on flights to Chicago from London. 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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