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Cheap flights from Glasgow Intl Airport to Illinois from £278

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 2/9. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
9 Aug — 16 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 10 July 2026.

Tue 15/916:05
GLA
-
ORD
2 stops35h 30m
Multiple Airlines
Wed 23/922:25
ORD
-
GLA
1 stop9h 00m
Multiple Airlines
Deal found 6/7£448
Mon 24/821:45
GLA
-
ORD
2 stops25h 12m
Multiple Airlines
Mon 31/819:25
ORD
-
GLA
2 stops18h 50m
Multiple Airlines
Deal found 7/7£477
Wed 9/907:05
GLA
-
ORD
2 stops31h 16m
Multiple Airlines
Fri 18/911:45
ORD
-
GLA
1 stop15h 55m
Multiple Airlines
Deal found 6/7£494
Thu 24/921:40
GLA
-
ORD
2 stops28h 08m
Multiple Airlines
Thu 1/1019:25
ORD
-
GLA
1 stop12h 00m
Multiple Airlines
Deal found 7/7£514
Wed 26/807:45
GLA
-
ORD
1 stop12h 15m
Multiple Airlines
Sun 30/815:45
ORD
-
GLA
1 stop11h 10m
Multiple Airlines
Deal found 9/7£521
Tue 20/1015:10
GLA
-
ORD
2 stops29h 15m
Multiple Airlines
Tue 3/1119:25
ORD
-
GLA
1 stop8h 30m
Multiple Airlines
Deal found 5/7£524
Tue 8/908:20
GLA
-
ORD
1 stop11h 40m
Multiple Airlines
Mon 14/915:45
ORD
-
GLA
1 stop10h 10m
Multiple Airlines
Deal found 6/7£527
Wed 16/906:00
GLA
-
MDW
2 stops18h 19m
Delta
Wed 23/909:29
MDW
-
GLA
2 stops16h 56m
Delta
Deal found 6/7£680
Fri 2/1006:00
GLA
-
MDW
2 stops18h 33m
Virgin Atlantic
Mon 19/1009:29
MDW
-
GLA
2 stops16h 56m
Virgin Atlantic
Deal found 7/7£708
Thu 24/906:00
GLA
-
MDW
2 stops18h 19m
Delta
Thu 1/1019:13
MDW
-
GLA
2 stops14h 57m
Delta
Deal found 7/7£710
Sat 19/906:00
GLA
-
MDW
2 stops18h 19m
Delta
Thu 24/913:19
MDW
-
GLA
2 stops20h 51m
Delta
Deal found 10/7£712
Mon 28/910:00
GLA
-
STL
2 stops20h 27m
Iberia
Wed 28/1012:47
STL
-
GLA
2 stops22h 03m
Iberia
Deal found 7/7£720

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 10 July 2026.

Round-trip from

£448

One-way from

£278

Popular in

July

Cheapest in

February

Average price

£917
Icelandair
  • Icelandair
  • 15/9-23/9
  • 3 total stops
  • 44h 30m total
  • Glasgow to Illinois
Search Deals
2/9
  • 2/9
  • 3 total stops
  • 35h 55m total
  • Glasgow to Illinois
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£98 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£23 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 10 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

Thu 24/9

21:40-19:48

2 stops28h 08m

Chicago O'Hare Intl

Thu 1/10

19:25-13:25

1 stop12h 00m

£514
Fastest return journey

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 3/9

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Wed 9/9

19:25-13:25

1 stop12h 00m

£577

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 24/8

11:00-22:05

1 stop17h 05m

Chicago O'Hare Intl

Mon 31/8

19:25-13:25

1 stop12h 00m

£624

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 19/9

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Thu 24/9

19:25-13:25

1 stop12h 00m

£642

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

£671

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

£680

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 2/10

08:35-10:35

2 stops32h 00m

Chicago O'Hare Intl

Mon 19/10

21:15-16:10

1 stop12h 55m

£700

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 2/10

06:00-22:32

2 stops22h 32m

Chicago O'Hare Intl

Mon 19/10

07:30-16:10

2 stops26h 40m

£709

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Sat 19/9

06:00-18:19

2 stops18h 19m

Chicago Midway

Thu 24/9

13:19-16:10

2 stops20h 51m

£712

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Fri 2/10

06:00-18:19

2 stops18h 19m

Chicago Midway

Mon 19/10

13:28-08:25

2 stops12h 57m

£712

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 40 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, July is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £66). Flying from Glasgow Intl Airport to Illinois in June is currently the most expensive (average of £538). 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 far ahead should I book a flight from Glasgow Intl Airport to Illinois?

Booking 58 days in advance of your planned departure date is, on average, the best time to get cheap flights from Glasgow Intl Airport to Illinois. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 10 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
693 reviews
Check prices

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

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
693 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

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
1,654 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

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
702 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

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
8,107 reviews
Virgin Atlantic
7.5
Good
693 reviews
Check prices

Boarding

7.7

Food

6.9

Overall

7.5

Entertainment

7.5

Crew

8.1

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 £577, Icelandair can have you in Illinois from Glasgow Intl Airport in 9h 55m. 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, July is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £66). Flying from Glasgow Intl Airport to Illinois in June is currently the most expensive (average of £538). 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 3 airlines flying from Glasgow Intl to Illinois

Discover the top 3 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 10 July 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£449Average£513FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£451Average£598FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
Aer LingusCheapest£523Average£884FlexibilityNo 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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