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Cheap flights from Glasgow Intl Airport to Illinois from £275

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 24/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
14 lug — 21 lug1
1 adult

Cheap flight deals from Glasgow Intl to Illinois

Keep the following information in mind while searching for Glasgow Intl to Illinois flight deals. Data was last updated 9 luglio 2025.

Round-trip from

£497

One-way from

£275

Popular in

July

Cheapest in

February

Average price

£754
British Airways
  • British Airways
  • 26/8-9/9
  • 2 total stops
  • 24h 05m total
  • Glasgow to Illinois
24/9
  • 24/9
  • 2 total stops
  • 41h 33m total
  • Glasgow to Illinois
Highest demand for flights based on searches. 18% potential increase in price (£95 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Average for round-trip flights in July 2025

Find flight deals from Glasgow Intl to Illinois

Cheapest flights from Glasgow Intl to Illinois
Explore the most affordable flight options available from Glasgow Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 luglio 2025.

mar 26/808:45GLA - ORD
1 stop11h 55mBritish Airways
mar 9/922:35ORD - GLA
1 stop12h 10mBritish Airways
Deal found 7/7£497
mar 26/808:55GLA - ORD
1 stop11h 15mDelta
mar 9/914:00ORD - GLA
2 stops20h 10mDelta
Deal found 7/7£507
gio 21/813:45GLA - ORD
2 stops32h 25mMultiple Airlines
gio 28/820:50ORD - GLA
2 stops19h 30mMultiple Airlines
Deal found 7/7£576
lun 18/806:00GLA - MDW
2 stops18h 37mDelta
dom 24/819:17MDW - GLA
2 stops14h 53mDelta
Deal found 8/7£596
mer 16/705:50GLA - ORD
1 stop16h 05mAmerican Airlines
mar 29/711:52ORD - GLA
2 stops15h 48mAmerican Airlines
Deal found 7/7£621
mer 16/714:20GLA - ORD
1 stop9h 55mIcelandair
ven 25/722:15ORD - GLA
1 stop9h 10mIcelandair
Deal found 8/7£643
mar 15/706:10GLA - ORD
1 stop19h 45mLufthansa
dom 3/822:30ORD - GLA
1 stop18h 30mLufthansa
Deal found 7/7£697
ven 8/806:00GLA - ORD
2 stops16h 13mKLM
dom 10/819:01ORD - GLA
2 stops15h 09mKLM
Deal found 6/7£743
ven 7/1112:40GLA - MLI
2 stops38h 38mLufthansa
mar 11/1110:50MLI - GLA
2 stops19h 10mLufthansa
Deal found 7/7£806
ven 7/1108:55GLA - MLI
2 stops18h 52mAmerican Airlines
mar 11/1118:39MLI - GLA
2 stops15h 56mAmerican Airlines
Deal found 8/7£812
gio 9/1006:00GLA - STL
2 stops16h 51mKLM
lun 13/1016:27STL - GLA
2 stops14h 33mKLM
Deal found 8/7£813
gio 9/1013:10GLA - STL
1 stop30h 20mLufthansa
lun 13/1012:25STL - GLA
2 stops28h 25mLufthansa
Deal found 8/7£977

Cheapflights Fare Finder

Customise your flight search to find flights from Glasgow Intl to Illinois 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 9 luglio 2025.
Use the filters below to find and compare flights from Glasgow Intl Airport to Illinois that are best for you.

Fly from

Glasgow Intl

Fly to

Illinois

Route

Depart

Return

Price

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

mar 26/8

08:45-14:40

1 stop11h 55m

Chicago O'Hare Intl

mar 9/9

22:35-16:45

1 stop12h 10m

£497

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

mar 26/8

08:55-14:10

1 stop11h 15m

Chicago O'Hare Intl

mar 9/9

14:00-16:10

2 stops20h 10m

£507

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

gio 21/8

13:45-16:10

2 stops32h 25m

Chicago O'Hare Intl

gio 28/8

20:50-22:20

2 stops19h 30m

£576

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

lun 18/8

06:00-18:37

2 stops18h 37m

Chicago Midway

dom 24/8

19:17-16:10

2 stops14h 53m

£596

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

gio 7/8

07:00-15:55

1 stop14h 55m

Chicago O'Hare Intl

dom 10/8

17:40-10:30

1 stop10h 50m

£679

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

ven 8/8

06:00-16:13

2 stops16h 13m

Chicago O'Hare Intl

dom 10/8

19:01-16:10

2 stops15h 09m

£743

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

lun 22/12

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

lun 5/1

18:30-09:55

1 stop9h 25m

£752

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

gio 9/10

06:00-16:51

2 stops16h 51m

Lambert-St Louis

lun 13/10

16:27-13:00

2 stops14h 33m

£813

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

ven 18/7

06:00-19:27

2 stops19h 27m

Chicago O'Hare Intl

ven 1/8

16:15-23:10

1 stop24h 55m

£821

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

gio 7/8

06:10-18:15

2 stops18h 05m

Chicago O'Hare Intl

dom 10/8

21:40-23:00

2 stops19h 20m

£849

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 19 results
1
2

Best time to book a flight from Glasgow Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Glasgow Intl 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 Glasgow Intl Airport to Illinois

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

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £595). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £843). 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.

What is the cheapest time of day to fly from GLA to IL?

Find hourly flight availability from Glasgow Intl to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 luglio 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow Intl Airport to Illinois as you normally would.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 9 luglio 2025.
See what other customers who have flown with Delta, KLM, andAir France from Glasgow Intl Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very Good

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Overall

8.0

Food

7.3

Comfort

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Glasgow Intl to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What are the cheapest airlines to fly from Glasgow Intl Airport to Illinois one-way?

    The cheapet airlines for a one-way flight from Glasgow Intl Airport to Illinois are Aer Lingus (£482), Icelandair (£517), and British Airways (£567).

  • What are the most popular routes from Glasgow Intl Airport to Illinois?

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

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

  • How can I find direct flights from Glasgow Intl to Illinois?

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

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

    Yes. Cheapflights offers flight deals from Glasgow Intl to Illinois 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 Glasgow Intl Airport to Illinois?

    Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £595). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £843). 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

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Alternative routes for Glasgow Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Glasgow Intl to Illinois

Discover the top 6 airlines that operate flights from Glasgow Intl to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 luglio 2025.
AirlineCheapestAverageFlexibilityOn-time
Aer LingusCheapest£323Average£534FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
Air FranceCheapest£333Average£459FlexibilityNo cancel feeOn-time77%
Search Air France flights
British AirwaysCheapest£374Average£465FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£416Average£721FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£465Average£502FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£492Average£537FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights

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How does Cheapflights help users find flights from Glasgow Intl to Illinois?

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

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

Certainly. Search results for flights to Illinois from Glasgow Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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