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Cheap flights from Glasgow Intl Airport to Illinois from £269

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
21 Feb — 28 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow Intl to Illinois

Enter your travel dates to find the best prices.

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 22 January 2026.

Sun 3/510:10
GLA
-
ORD
1 stop11h 45m
British Airways
Sat 9/517:00
ORD
-
GLA
1 stop11h 50m
British Airways
Deal found 20/1£385
Sun 19/414:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Sun 26/422:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Deal found 20/1£417
Sat 18/414:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Sun 26/422:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Deal found 20/1£418
Thu 12/312:35
GLA
-
ORD
1 stop10h 45m
Icelandair
Tue 24/319:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 20/1£438
Fri 17/414:20
GLA
-
ORD
1 stop13h 05m
Icelandair
Fri 24/422:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Deal found 20/1£441
Wed 4/212:35
GLA
-
ORD
1 stop10h 45m
Icelandair
Sun 8/218:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 21/1£441
Wed 11/312:35
GLA
-
ORD
1 stop10h 45m
Icelandair
Tue 24/319:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 20/1£450
Wed 11/307:45
GLA
-
ORD
2 stops15h 35m
Multiple Airlines
Mon 23/316:50
ORD
-
GLA
1 stop10h 10m
Multiple Airlines
Deal found 20/1£451
Wed 11/307:45
GLA
-
ORD
2 stops15h 35m
Multiple Airlines
Sun 22/316:50
ORD
-
GLA
1 stop10h 05m
Multiple Airlines
Deal found 20/1£452
Wed 11/307:45
GLA
-
ORD
2 stops15h 35m
Multiple Airlines
Tue 24/320:40
ORD
-
GLA
1 stop18h 40m
Multiple Airlines
Deal found 20/1£454
Tue 3/208:25
GLA
-
ORD
2 stops14h 55m
Multiple Airlines
Fri 6/218:30
ORD
-
GLA
2 stops19h 30m
Multiple Airlines
Deal found 20/1£462
Thu 12/306:05
GLA
-
MDW
2 stops16h 49m
KLM
Mon 23/318:34
MDW
-
GLA
2 stops13h 11m
KLM
Deal found 20/1£495

Find 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 22 January 2026.

Round-trip from

£385

One-way from

£269

Popular in

July

Cheapest in

February

Average price

£585
British Airways
  • British Airways
  • 3/5-9/5
  • 2 total stops
  • 23h 35m total
  • Glasgow to Illinois
Search Deals
2/5
  • 2/5
  • 3 total stops
  • 37h 00m total
  • Glasgow to Illinois
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£61 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 22 January 2026.
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

Fri 17/4

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Fri 24/4

22:25-13:25

1 stop9h 00m

£441

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 13/4

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Mon 20/4

19:25-13:25

1 stop12h 00m

£441

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 4/2

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Sun 8/2

18:30-09:55

1 stop9h 25m

£441

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 7/3

08:20-19:15

1 stop16h 55m

Chicago O'Hare Intl

Mon 16/3

22:45-14:30

1 stop10h 45m

£465

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 7/3

17:20-14:20

1 stop27h 00m

Chicago O'Hare Intl

Mon 16/3

13:37-08:30

2 stops13h 53m

£476

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 13/3

09:05-15:20

1 stop11h 15m

Chicago O'Hare Intl

Sun 22/3

17:25-12:45

1 stop14h 20m

£476

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sun 8/3

06:05-14:20

1 stop14h 15m

Chicago O'Hare Intl

Sun 15/3

19:14-08:30

2 stops32h 16m

£479

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 13/4

21:45-18:15

2 stops26h 30m

Chicago O'Hare Intl

Mon 20/4

15:45-07:55

1 stop10h 10m

£482

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 11/3

12:00-18:55

1 stop11h 55m

Chicago O'Hare Intl

Mon 23/3

18:10-09:50

1 stop10h 40m

£482

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 13/3

06:35-16:25

1 stop14h 50m

Chicago O'Hare Intl

Fri 20/3

18:54-15:10

2 stops15h 16m

£484

Flights are sorted by cheapest return flights first.

Deals found on 20/1

Showing 1-10 of 44 results
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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, March is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £378). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £577). 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.

How much does it cost for a return flight from Glasgow Intl Airport to Illinois?

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 22 January 2026.
See what other customers who have flown with KLM, Virgin Atlantic, andAer Lingus 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.
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
KLM
7.7
Good
1,442 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Virgin Atlantic
7.5
Good
678 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Aer Lingus
7.2
Good
1,441 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
Icelandair
7.1
Good
602 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.
British Airways
6.7
Okay
7,690 reviews
KLM
7.7
Good
1,442 reviews
Check prices

Boarding

7.8

Overall

7.7

Entertainment

7.1

Comfort

7.6

Crew

8.4

Food

7.3

Reviews

1 / 20
10.0
Excellent

Snapyou,Jan 2026

TPA - LHR

Flight operated by Virgin Atlantic - usual high standard service by Virgin.

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.

  • How long is the flight from Glasgow Intl Airport to Illinois?

    For as low as £441, Icelandair can have you in Illinois from Glasgow Intl Airport in 13h 05m. Airlines will cover a distance of 3663 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The most popular flight routes from Glasgow Intl Airport to Illinois are Glasgow Intl - Chicago O'Hare Intl, Glasgow Intl - Chicago Midway and Glasgow Intl - Lambert-St Louis.

  • 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, March is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £378). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £577). 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.
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Top 5 airlines flying from Glasgow Intl to Illinois

Discover the top 5 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 22 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£379Average£473FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£461Average£733FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£471Average£513FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£475Average£539FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£522Average£830FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

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 Glasgow Intl to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Glasgow Intl to Illinois. 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 Glasgow Intl to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl to Illinois by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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?

Of course! You can now track prices for flights from Glasgow Intl to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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