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Cheap flights from Glasgow Intl Airport to Illinois from £276

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 28/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
24 Aug — 31 Aug1
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 25 July 2026.

Tue 8/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Sat 19/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£431
Fri 11/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Mon 21/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£432
Wed 9/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Fri 18/922:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Deal found 21/7£432
Tue 15/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Fri 18/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£434
Wed 9/914:20
GLA
-
ORD
1 stop13h 05m
Icelandair
Tue 22/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£435
Thu 3/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Sun 13/922:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Deal found 21/7£435
Mon 19/1014:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Mon 26/1019:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 23/7£446
Thu 10/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Thu 24/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£450
Wed 9/914:20
GLA
-
ORD
1 stop13h 05m
Icelandair
Thu 24/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£450
Fri 23/1014:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Wed 11/1118:30
ORD
-
GLA
1 stop9h 25m
Icelandair
Deal found 24/7£457
Wed 9/914:20
GLA
-
ORD
1 stop13h 05m
Icelandair
Thu 17/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Deal found 21/7£465
Fri 4/914:20
GLA
-
ORD
1 stop13h 05m
Icelandair
Sat 12/922:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Deal found 21/7£472

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 25 July 2026.

Round-trip from

£431

One-way from

£276

Popular in

July

Cheapest in

February

Average price

£922
Icelandair
  • Icelandair
  • 8/9-19/9
  • 2 total stops
  • 21h 55m total
  • Glasgow to Illinois
Search Deals
28/9
  • 28/9
  • 3 total stops
  • 52h 30m total
  • Glasgow to Illinois
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£110 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£22 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 25 July 2026.
Use the filters below to find and compare flights from Glasgow Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 14/10

20:20-19:15

2 stops28h 55m

Chicago O'Hare Intl

Wed 21/10

19:25-13:25

1 stop12h 00m

£537

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 2/10

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Mon 19/10

19:25-13:25

1 stop12h 00m

£605

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 9/9

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Sun 13/9

19:25-13:25

1 stop12h 00m

£612

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 9/9

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Tue 22/9

19:25-13:25

1 stop12h 00m

£615

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 16/9

08:35-14:55

1 stop12h 20m

Chicago O'Hare Intl

Wed 23/9

14:15-18:35

3 stops22h 20m

£628
Fastest return journey

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 2/9

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Sat 12/9

19:25-13:25

1 stop12h 00m

£667

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 8/9

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Sat 12/9

19:25-13:25

1 stop12h 00m

£667

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 16/9

09:30-15:55

1 stop12h 25m

Chicago O'Hare Intl

Wed 23/9

16:01-12:30

2 stops14h 29m

£676

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Wed 16/9

06:00-18:19

2 stops18h 19m

Chicago Midway

Wed 23/9

09:29-08:25

2 stops16h 56m

£684

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 16/9

06:00-18:28

2 stops18h 28m

Chicago O'Hare Intl

Wed 23/9

10:30-08:25

2 stops15h 55m

£685

Flights are sorted by cheapest return flights first.

Deals found on 22/7

Showing 1-10 of 38 resultsSorted by cheapest first
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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, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £387). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £922). 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 25 July 2026.
See what other customers who have flown with Virgin Atlantic,Aer Lingus, andIcelandair 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.
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Virgin Atlantic
7.5
Good
695 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Aer Lingus
7.3
Good
1,679 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
Icelandair
7.0
Good
715 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.
British Airways
6.7
Okay
8,132 reviews
Virgin Atlantic
7.5
Good
695 reviews
Check prices

Crew

8.1

Overall

7.5

Food

6.9

Entertainment

7.5

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

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 £605, 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, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £387). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £922). 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 2 airlines flying from Glasgow Intl to Illinois

Discover the top 2 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 25 July 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£453Average£606FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£526Average£873FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights

Fly with Cheapflights

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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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