Find flights
Deals
Airlines

£90+ 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 8/3. 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
27 Jan — 3 Feb1
1 adult

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 22 January 2025.

Good round-trip deal

£29 or less

Good one-way deal

£30 or less
Price to beat on a round-trip flight from Illinois.
Price to beat on a one-way flight from Illinois.

Find flights from Illinois

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 22 January 2025.

Thu 1/519:30ORD - GLA
1 stop11h 55mIcelandair
Tue 13/514:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 20/1£433
Sun 2/319:40ORD - GLA
1 stop12h 15mMultiple Airlines
Tue 11/310:25GLA - ORD
1 stop13h 30mMultiple Airlines
Deal found 20/1£440
Tue 4/319:40ORD - GLA
1 stop14h 35mAer Lingus
Tue 11/308:20GLA - ORD
1 stop11h 40mAer Lingus
Deal found 21/1£454
Mon 3/317:00ORD - GLA
1 stop12h 00mBritish Airways
Tue 18/307:30GLA - ORD
1 stop12h 25mBritish Airways
Deal found 20/1£459
Wed 26/217:18ORD - LHR
1 stop10h 02mIberia
Tue 25/311:55LHR - ORD
Nonstop8h 50mIberia
Deal found 21/1£477
Sat 1/219:40ORD - LHR
2 stops14h 45mScandinavian Airlines
Sun 9/221:05LHR - ORD
2 stops26h 45mScandinavian Airlines
Deal found 21/1£481
Wed 26/205:15ORD - LGW
2 stops26h 15mMultiple Airlines
Tue 25/312:00LGW - ORD
1 stop23h 36mMultiple Airlines
Deal found 21/1£481
Tue 22/419:30ORD - LGW
1 stop13h 10mIcelandair
Tue 29/415:40LGW - ORD
1 stop32h 40mIcelandair
Deal found 21/1£482
Thu 20/218:30ORD - STN
2 stops16h 10mMultiple Airlines
Thu 27/206:00STN - ORD
2 stops17h 20mMultiple Airlines
Deal found 21/1£483
Sun 9/321:25ORD - LGW
2 stops18h 15mTAP AIR PORTUGAL
Thu 13/310:40LGW - ORD
1 stop34h 50mTAP AIR PORTUGAL
Deal found 21/1£485
Tue 11/218:35ORD - GLA
1 stop14h 00mAmerican Airlines
Tue 18/207:30GLA - ORD
1 stop15h 30mAmerican Airlines
Deal found 21/1£487
Wed 5/315:55ORD - LTN
1 stop10h 40mMultiple Airlines
Wed 12/306:50LTN - ORD
1 stop13h 10mMultiple Airlines
Deal found 21/1£488

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 22 January 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches

Fly to

Any airport

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 1/5

19:30-13:25

1 stop11h 55m

Glasgow Intl

Tue 13/5

14:20-18:15

1 stop9h 55m

£433

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 2/3

19:40-13:55

1 stop12h 15m

Glasgow Intl

Tue 11/3

10:25-18:55

1 stop13h 30m

£440

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 4/3

19:40-16:15

1 stop14h 35m

Glasgow Intl

Tue 11/3

08:20-15:00

1 stop11h 40m

£454

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 3/3

17:00-11:00

1 stop12h 00m

Glasgow Intl

Tue 18/3

07:30-14:55

1 stop12h 25m

£459

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Wed 26/2

17:18-09:20

1 stop10h 02m

London Heathrow

Tue 25/3

11:55-15:45

Nonstop8h 50m

£477

ChicagoLondon

ORD - LHR

ORDLHR

Chicago O'Hare Intl

Sat 1/2

19:40-16:25

2 stops14h 45m

London Heathrow

Sun 9/2

21:05-17:50

2 stops26h 45m

£481

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Wed 26/2

05:15-13:30

2 stops26h 15m

London Gatwick

Tue 25/3

12:00-06:36

1 stop23h 36m

£481

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Tue 22/4

19:30-14:40

1 stop13h 10m

London Gatwick

Tue 29/4

15:40-18:20

1 stop32h 40m

£482

ChicagoLondon

ORD - STN

ORDSTN

Chicago O'Hare Intl

Thu 20/2

18:30-16:40

2 stops16h 10m

London Stansted

Thu 27/2

06:00-17:20

2 stops17h 20m

£483

ChicagoLondon

ORD - LGW

ORDLGW

Chicago O'Hare Intl

Sun 9/3

21:25-20:40

2 stops18h 15m

London Gatwick

Thu 13/3

10:40-16:30

1 stop34h 50m

£485

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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, February is the cheapest month in which you can book a flight from Illinois (average of £354). Flying from Illinois in June will prove the most costly (average of £560). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the cheapest time to fly from Illinois?

Use this chart to determine the cheapest time to fly return from Illinois to Heathrow. Price data was last updated on 24 November 2024.

Those who are seeking the cheapest fare on flights departing from Illinois would be wise to consider leaving during Tuesday afternoons when prices are typically at their lowest. When considering other options, price-conscious travelers should avoid Saturday at midday when fares are usually the most expensive.

Airline reviews for flights from Illinois

Get insights into the airlines that provide service from Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Illinois. In the last 7 days, Cheapflights users made a total of 858,174 searches.
8.0
Very Good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

8.0
Very Good
8,521 reviews
8.0
Very Good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.8
Good
1,341 reviews
8.0
Very Good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
1,286 reviews
8.0
Very Good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.6
Good
786 reviews
8.0
Very Good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

7.5
Good
1,600 reviews
8.0
Very Good
8,521 reviews

Comfort

8.0

Crew

8.6

Food

7.3

Overall

8.0

Boarding

8.2

Entertainment

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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 22 January 2025.
  • What is the cheapest airport to fly out of Illinois?

    Chicago O'Hare Intl airport offers the cheapest routes to Almaty, from £375; whereas Chicago Midway airport is typically cheaper if you're flying to Edinburgh, from £454. 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 February; 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 £375 round trip
    Travel from Chicago to Manchester from £386 round trip
    Travel from Chicago to Glasgow from £413 round trip
    Travel from Chicago to Edinburgh from £414 round trip
    Travel from Chicago to Almaty from £1,032 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.