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Cheap flights from Illinois to London Gatwick Airport from £193

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/10. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — LGW
7 Sep — 14 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Gatwick
Explore the most affordable flight options available from Illinois to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 August 2026.

Tue 20/1006:05 -
1 stop21h 55m
Wed 28/1010:10 -
1 stop27h 11m
Deal found 6/8£500
Thu 22/1009:20 -
2 stops18h 40m
Wed 28/1010:10 -
1 stop27h 11m
Deal found 7/8£505
Thu 22/1019:25 -
1 stop13h 15m
Thu 29/1011:55 -
1 stop11h 25m
Deal found 4/8£508
Thu 1/1019:25 -
2 stops20h 00m
Wed 7/1008:50 -
2 stops18h 35m
Deal found 7/8£509
Mon 19/1006:05 -
1 stop21h 55m
Thu 29/1011:00 -
1 stop17h 50m
Deal found 4/8£511
Mon 28/911:15 -
1 stop16h 45m
Sun 15/1112:35 -
1 stop25h 46m
Deal found 7/8£512
Wed 28/1019:30 -
1 stop10h 25m
Thu 19/1116:50 -
2 stops28h 40m
Deal found 3/8£514
Wed 21/1019:25 -
1 stop13h 15m
Wed 28/1011:55 -
1 stop11h 25m
Deal found 6/8£514
Thu 15/1019:25 -
1 stop13h 15m
Thu 22/1021:00 -
3 stops27h 15m
Deal found 3/8£517
Wed 7/1022:25 -
1 stop10h 15m
Wed 14/1015:40 -
1 stop11h 45m
Deal found 3/8£517
Sun 20/911:45 -
2 stops14h 10m
Sun 27/909:40 -
2 stops34h 55m
Deal found 6/8£567
Tue 8/911:45 -
2 stops14h 10m
Fri 11/909:40 -
2 stops34h 55m
Deal found 6/8£574

Find flight deals from Illinois to Gatwick

Keep the following information in mind while searching for Illinois to Gatwick flight deals. Data was last updated 8 August 2026.

Round-trip from

£500

One-way from

£193

Popular in

June

Cheapest in

February

Average price

£601
20/10-28/10
  • 20/10-28/10
  • 2 total stops
  • 49h 06m total
  • Illinois to London
Search Deals
23/10
  • 23/10
  • 2 total stops
  • 41h 25m total
  • Illinois to London
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£157 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£29 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois to Gatwick 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, Cheapflights users made 858,174 searches. Data last updated 8 August 2026.
Use the filters below to find and compare flights from Illinois to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Tue 17/11

18:30-10:55

1 stop10h 25m

London Gatwick

Wed 25/11

11:55-17:20

1 stop11h 25m

£546

ChicagoLondon

MDW Chicago Midway - LGW London Gatwick

MDWLGW

Chicago Midway

Tue 15/9

11:45-07:55

2 stops14h 10m

London Gatwick

Fri 18/9

09:40-14:35

2 stops34h 55m

£581

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Fri 6/11

20:10-15:45

1 stop13h 35m

London Gatwick

Tue 10/11

21:20-15:30

2 stops24h 10m

£586

ChicagoLondon

MDW Chicago Midway - LGW London Gatwick

MDWLGW

Chicago Midway

Fri 11/9

11:45-09:50

2 stops16h 05m

London Gatwick

Fri 18/9

09:40-14:35

2 stops34h 55m

£590

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Sun 13/9

18:00-20:25

2 stops20h 25m

London Gatwick

Wed 23/9

16:25-12:40

1 stop26h 15m

£629

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 2/11

13:55-15:45

2 stops19h 50m

London Gatwick

Thu 5/11

10:00-16:15

1 stop12h 15m

£644

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 9/11

20:15-09:10

1 stop30h 55m

London Gatwick

Fri 27/11

06:30-18:20

1 stop17h 50m

£660

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 21/9

17:10-09:40

1 stop10h 30m

London Gatwick

Tue 29/9

10:35-21:37

2 stops17h 02m

£662

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Mon 21/9

17:10-09:40

1 stop10h 30m

London Gatwick

Tue 29/9

17:00-15:10

1 stop28h 10m

£664

ChicagoLondon

ORD Chicago O'Hare Intl - LGW London Gatwick

ORDLGW

Chicago O'Hare Intl

Fri 25/9

22:25-14:40

1 stop10h 15m

London Gatwick

Mon 19/10

15:40-18:15

1 stop32h 35m

£665

Flights are sorted by cheapest return flights first.

Deals found on 3/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Illinois to Gatwick

Have a flexible travel schedule? Discover the best time to fly to Gatwick from Illinois with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to London Gatwick Airport

What is the cheapest month to book a flight from Illinois to London Gatwick Airport?

Currently, January is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £355). Flying from Illinois to London Gatwick Airport in December is currently the most expensive (average of £1,029). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to London Gatwick Airport?

    Airlines like Icelandair, TAP AIR PORTUGAL, and Virgin Atlantic fly from Illinois to London Gatwick Airport in about 10h 25m. The time it takes to get you to your destination can typically vary by up to 9h 25m. Illinois and London Gatwick Airport are separated by a distance of 3960 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Illinois to London Gatwick Airport?

    The most popular route from Illinois to London Gatwick Airport is Chicago O'Hare Intl - London Gatwick. You may also consider Lambert-St Louis - London Gatwick or Chicago Midway - London Gatwick.

  • Can I find deals for flights from Illinois to Gatwick that include hotel bookings?

    Yes. In addition to deals on Illinois to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Gatwick?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Gatwick.

  • Can I find deals for business class flights from Illinois to Gatwick?

    Yes. Cheapflights offers flight deals from Illinois to Gatwick by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to London Gatwick Airport?

    Currently, January is the cheapest month in which you can book a flight from Illinois to London Gatwick Airport (average of £355). Flying from Illinois to London Gatwick Airport in December is currently the most expensive (average of £1,029). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Gatwick
Luton
Wembley
Slough
Ilford
Hayes
Croydon
Colchester
Eastbourne
Brentford
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Illinois to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.
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O'Hare Intl to London City flights
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Gatwick?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Illinois to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Gatwick?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Gatwick from Illinois.

Can Cheapflights find flights from Illinois to Gatwick with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Illinois to Gatwick flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Illinois to Gatwick become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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