Find flights
Deals

£74+ Cheap flights from Illinois

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/2. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — LHR
19 Nov — 26 Nov1
1 adult
1 adult, Economy

What to know about flights from Illinois

Discover essential information about flights departing from Illinois, including flight schedules, destinations, airlines operating at the Illinois airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 20 October 2025.

Good round-trip deal

£43 or less

Good one-way deal

£27 or less
Price to beat on a round-trip flight from Illinois.
Search Deals
Price to beat on a one-way flight from Illinois.
Search Deals

Find flights from Illinois

Enter your travel dates to find the best prices.

Cheapest flights from Illinois
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 20 October 2025.

Tue 2/1218:30ORD - EDI
2 stops17h 55mMultiple Airlines
Tue 9/1208:20EDI - ORD
2 stops15h 00mMultiple Airlines
Deal found 18/10£359
Wed 3/1218:30ORD - EDI
2 stops21h 45mMultiple Airlines
Wed 10/1207:25EDI - ORD
2 stops15h 55mMultiple Airlines
Deal found 19/10£363
Mon 1/1218:30ORD - EDI
2 stops19h 45mMultiple Airlines
Mon 8/1222:30EDI - ORD
2 stops24h 50mMultiple Airlines
Deal found 18/10£363
Sat 7/218:30ORD - EDI
2 stops20h 50mMultiple Airlines
Sat 14/208:15EDI - ORD
2 stops15h 05mMultiple Airlines
Deal found 19/10£369
Sun 1/218:30ORD - EDI
2 stops21h 35mMultiple Airlines
Sun 8/208:00EDI - ORD
2 stops15h 20mMultiple Airlines
Deal found 19/10£382
Sun 8/218:30ORD - EDI
2 stops14h 00mMultiple Airlines
Sun 15/208:00EDI - ORD
2 stops15h 20mMultiple Airlines
Deal found 19/10£383
Mon 29/1218:30ORD - LHR
1 stop19h 00mIcelandair
Fri 16/112:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 19/10£392
Thu 8/118:30ORD - LTN
2 stops12h 50mMultiple Airlines
Fri 23/105:50LTN - ORD
2 stops17h 30mMultiple Airlines
Deal found 19/10£392
Wed 4/309:17ORD - LCY
2 stops24h 53mITA Airways
Mon 9/308:25LCY - ORD
2 stops39h 20mITA Airways
Deal found 19/10£392
Fri 13/218:30ORD - LGW
2 stops20h 35mMultiple Airlines
Sat 21/222:30LGW - ORD
2 stops24h 50mMultiple Airlines
Deal found 18/10£392
Fri 14/1120:15ORD - STN
2 stops18h 20mMultiple Airlines
Thu 20/1112:25STN - ORD
2 stops33h 00mMultiple Airlines
Deal found 18/10£392
Sun 4/118:30ORD - LHR
1 stop10h 20mIcelandair
Mon 19/112:15LHR - ORD
1 stop11h 05mIcelandair
Deal found 18/10£393

Find flights from Illinois within your budget

 
Find flights departing from Illinois that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 20 October 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Heathrow

Route

Depart

Return

Price

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sat 6/12

18:30-23:05

2 stops22h 35m

London Stansted

Sat 13/12

06:30-17:20

2 stops16h 50m

£398

ChicagoLondon

ORD - LTN

ORDLTN

Chicago O'Hare Intl

Fri 9/1

18:30-15:25

2 stops14h 55m

London Luton

Sat 17/1

06:00-17:20

2 stops17h 20m

£404

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Sun 16/11

19:20-22:35

2 stops21h 15m

London Stansted

Sun 23/11

06:25-16:45

2 stops16h 20m

£412

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Wed 12/11

15:35-20:55

2 stops23h 20m

London Stansted

Wed 19/11

07:40-20:05

2 stops18h 25m

£414

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Thu 27/11

19:20-21:20

2 stops20h 00m

London Heathrow

Tue 2/12

19:50-16:45

2 stops26h 55m

£424

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Mon 29/12

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 18/1

11:55-17:20

1 stop11h 25m

£426

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 10/11

19:20-21:40

1 stop20h 20m

London Heathrow

Mon 17/11

07:05-16:45

2 stops15h 40m

£435

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Mon 10/11

21:45-11:35

Nonstop7h 50m

London Heathrow

Tue 18/11

11:00-13:50

Nonstop8h 50m

£436

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Tue 18/11

17:10-06:55

Nonstop7h 45m

London Heathrow

Fri 5/12

15:45-18:45

Nonstop9h 00m

£436

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 30/12

18:30-10:55

1 stop10h 25m

London Gatwick

Sun 18/1

11:55-17:20

1 stop11h 25m

£437

Flights are sorted by cheapest return flights first.

Deals found on 18/10

Showing 1-10 of 60 results
1
2
3
...
6

Best time to book a flight from Illinois

Have a flexible travel schedule? Discover the best time to fly 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.

Travel insights for flights from Illinois

Get recent, data-driven insights about flights from Illinois including ideal travel times, pricing trends, and more.

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

Currently, May is the cheapest month in which you can book a flight from Illinois (average of £295). Flying from Illinois in June will prove the most costly (average of £671). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Which airlines fly from Illinois?

Many airlines operate round-trip flights from Illinois: British Airways, Iberia, Finnair, Aer Lingus, Lufthansa. These airlines fly to the following popular destinations: London.

British Airways
British Airways
From £382
Iberia
Iberia
From £386
United Airlines
United Airlines
From £131
Frontier
Frontier
From £21

What is the cheapest place to fly to from Illinois?

The cheapest city to fly to from Illinois is Palm Beach Intl, with prices starting at £21. Explore other affordable destinations below.

Palm Beach Intl
Palm Beach Intl
From £21
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From £27
Washington, D.C.
Washington, D.C.
From £27
Denver Intl
Denver Intl
From £43

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Direct flights from USA

Book a direct flight from one of these other cities located in USA.
Direct flights from Peoria
Direct flights from Bloomington
Direct flights from Marion
Direct flights from St. Louis

Related info for your journey

Access useful and relevant information related to your journey from Illinois. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 20 October 2025.

  • What is the cheapest airport to fly out of Illinois?

    Chicago O'Hare Intl airport offers the cheapest routes to Almaty, from £281; whereas Chicago Midway airport is typically cheaper if you're flying to London, from £423. It's best to make sure you are flexible on dates to find the cheapest possible flight options for your journey.

  • What is the cheapest month to fly from Illinois?

    At the present moment the cheapest month to fly from Illinois is currently May; with June being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • Where are the cheapest places to fly to from Illinois?

    Check out the cheapest flights from Illinois to embark to:
    Travel from Chicago to London from £281 round trip
    Travel from Chicago to Edinburgh from £325 round trip
    Travel from Chicago to Glasgow from £326 round trip
    Travel from Chicago to Almaty from £945 round trip

  • How does Cheapflights help users find flights from Illinois?

    Cheapflights makes it easy to find flights from Illinois by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

    Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

  • Can Cheapflights find flights from Illinois with no change fees?

    Need flexible booking options for your flight from Illinois ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

    Not ready to book yet? You can track prices for flights from Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.

See more FAQs

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?

Cheapflights makes it easy to find flights from Illinois by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Illinois with no change fees?

Need flexible booking options for your flight from Illinois ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Not ready to book yet? You can track prices for flights from Illinois on Cheapflights with our Price Alerts feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.