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Cheap flights from Glasgow Intl Airport to Illinois from £263

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
18 Feb — 25 Feb1
1 adult
1 adult, Economy, 0 bags

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 19 January 2026.

Round-trip from

£303

One-way from

£263

Popular in

July

Cheapest in

February

Average price

£587
Icelandair
  • Icelandair
  • 12/3-17/3
  • 2 total stops
  • 20h 10m total
  • Glasgow to Illinois
Search Deals
1/3
  • 1/3
  • 3 total stops
  • 49h 46m 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

Find 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 19 January 2026.

Thu 12/312:35
GLA
-
ORD
1 stop10h 45m
Icelandair
Tue 17/319:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 18/1£303
Tue 3/312:35
GLA
-
ORD
1 stop10h 45m
Icelandair
Tue 10/319:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 16/1£413
Mon 2/312:35
GLA
-
ORD
1 stop10h 45m
Icelandair
Mon 9/319:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 18/1£418
Fri 17/414:20
GLA
-
ORD
1 stop13h 05m
Icelandair
Fri 24/419:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 18/1£442
Mon 2/307:00
GLA
-
ORD
2 stops40h 46m
Multiple Airlines
Mon 9/316:50
ORD
-
GLA
1 stop13h 40m
Multiple Airlines
Deal found 18/1£454
Thu 3/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Tue 15/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 18/1£462
Wed 11/316:50
GLA
-
ORD
2 stops46h 36m
Multiple Airlines
Mon 16/316:50
ORD
-
GLA
1 stop13h 40m
Multiple Airlines
Deal found 18/1£464
Wed 4/312:00
GLA
-
ORD
2 stops34h 45m
Multiple Airlines
Wed 11/320:20
ORD
-
GLA
2 stops19h 40m
Multiple Airlines
Deal found 18/1£468
Mon 2/307:00
GLA
-
ORD
3 stops34h 22m
Multiple Airlines
Wed 18/310:55
ORD
-
GLA
2 stops18h 00m
Multiple Airlines
Deal found 17/1£471
Mon 2/306:05
GLA
-
ORD
1 stop14h 15m
KLM
Wed 18/313:57
ORD
-
GLA
2 stops13h 33m
KLM
Deal found 17/1£475
Thu 12/306:05
GLA
-
MDW
2 stops16h 49m
KLM
Tue 17/314:05
MDW
-
GLA
2 stops13h 25m
KLM
Deal found 17/1£492
Mon 2/306:05
GLA
-
MDW
2 stops17h 32m
Delta
Wed 18/309:35
MDW
-
GLA
2 stops17h 55m
Delta
Deal found 17/1£496

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 19 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

Thu 12/3

12:35-18:20

1 stop10h 45m

Chicago O'Hare Intl

Tue 17/3

19:30-09:55

1 stop9h 25m

£303

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 3/3

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Tue 10/3

19:30-09:55

1 stop9h 25m

£413

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 2/3

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 9/3

19:30-09:55

1 stop9h 25m

£418

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 17/4

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Fri 24/4

19:25-13:25

1 stop12h 00m

£442

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 2/3

07:00-11:22

3 stops34h 22m

Chicago O'Hare Intl

Wed 18/3

10:55-09:55

2 stops18h 00m

£471

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 2/3

06:05-14:20

1 stop14h 15m

Chicago O'Hare Intl

Wed 18/3

13:57-08:30

2 stops13h 33m

£475

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 12/3

17:20-15:20

1 stop27h 00m

Chicago O'Hare Intl

Tue 17/3

13:37-08:30

2 stops13h 53m

£475

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 11/3

08:20-15:00

1 stop11h 40m

Chicago O'Hare Intl

Mon 16/3

18:10-10:45

1 stop11h 35m

£483

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 4/3

07:45-14:00

1 stop12h 15m

Chicago O'Hare Intl

Wed 11/3

16:50-10:05

1 stop12h 15m

£483

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 13/3

08:15-16:25

1 stop13h 10m

Chicago O'Hare Intl

Sun 22/3

14:01-13:15

2 stops18h 14m

£485

Flights are sorted by cheapest return flights first.

Deals found on 18/1

Showing 1-10 of 42 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 £380). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £579). 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.

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 19 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
1,441 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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
1,441 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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
1,441 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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
1,436 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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
597 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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
7,691 reviews
KLM
7.7
Good
1,441 reviews
Check prices

Food

7.3

Crew

8.4

Overall

7.7

Comfort

7.6

Entertainment

7.1

Boarding

7.8

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 £303, Icelandair can have you in Illinois from Glasgow Intl Airport in 10h 45m. 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 £380). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £579). 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 19 January 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£380Average£475FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£462Average£736FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£473Average£515FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£477Average£541FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£524Average£833FlexibilityNo 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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