£91+ 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 21/8. 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.
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 11 julho 2025.
Good round-trip deal | £43 or less |
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Good one-way deal | £39 or less |
Find flights from Illinois
Cheapest flights from IllinoisExplore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 11 julho 2025.
Explore the most affordable flight options available from Illinois. Find the lowest fares based on data from user searches, with prices last updated on 11 julho 2025.
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 11 julho 2025. In the last 7 days, Cheapflights users made a total of 858,174 searches
Fly to
Route
Depart
Return
Price
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
ter 28/10
19:30-09:55
1 stop9h 25m
Glasgow Intl
qua 5/11
12:35-17:20
1 stop10h 45m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
qui 4/9
19:15-22:20
2 stops21h 05m
Glasgow Intl
seg 15/9
14:20-16:10
2 stops31h 50m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
dom 24/8
22:35-16:40
1 stop12h 05m
Glasgow Intl
qua 3/9
10:35-17:00
1 stop12h 25m
ChicagoLondon
ORD - LCY
ORDLCY
Chicago O'Hare Intl
qui 13/11
19:05-12:50
1 stop11h 45m
London City
ter 18/11
09:15-16:15
1 stop13h 00m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
dom 12/10
16:55-06:50
Nonstop7h 55m
London Heathrow
qua 22/10
12:15-14:50
Nonstop8h 35m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
seg 28/7
19:25-11:45
1 stop10h 20m
London Gatwick
sex 8/8
15:40-21:15
1 stop11h 35m
ChicagoGlasgow
ORD - GLA
ORDGLA
Chicago O'Hare Intl
seg 20/10
17:45-14:40
1 stop14h 55m
Glasgow Intl
qua 5/11
09:45-19:45
2 stops16h 00m
ChicagoLondon
ORD - STN
ORDSTN
Chicago O'Hare Intl
seg 22/9
19:15-16:15
1 stop15h 00m
London Stansted
seg 6/10
08:00-16:10
1 stop14h 10m
ChicagoLondon
ORD - LGW
ORDLGW
Chicago O'Hare Intl
ter 5/8
13:24-08:10
2 stops12h 46m
London Gatwick
ter 26/8
10:40-22:59
2 stops18h 19m
ChicagoLondon
ORD - LHR
ORDLHR
Chicago O'Hare Intl
sáb 16/8
18:05-08:20
Nonstop8h 15m
London Heathrow
sáb 23/8
14:10-17:20
Nonstop9h 10m
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.
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 £288). Flying from Illinois in June will prove the most costly (average of £641). 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.
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.
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.
Check out reviews from past customers who have flown Delta, KLM, andAustrian Airlines from Illinois to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Kim,May 2025
PIH - SLC
Comfort
Overall
Crew
Food
Boarding
Entertainment
Reviews
Kim,May 2025
PIH - SLC
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Direct flights from USA
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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 11 julho 2025.
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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.