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Cheap flights from Glasgow Intl Airport to Illinois from £290

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 23/3. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
26 Jan — 2 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.

Best flights from Glasgow Intl to Illinois
Discover carefully curated flight deals from Glasgow Intl to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 27 December 2025.

Fri 6/212:35GLA - ORD
1 stop10h 45mIcelandair
Sun 15/218:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 25/12£406
Sun 8/207:25GLA - ORD
2 stops15h 30mMultiple Airlines
Sun 15/219:10ORD - GLA
3 stops22h 00mMultiple Airlines
Deal found 25/12£418
Fri 6/206:05GLA - MDW
2 stops17h 50mDelta
Sun 15/211:45MDW - GLA
2 stops16h 10mDelta
Deal found 25/12£496
Mon 9/206:05GLA - MDW
2 stops17h 50mKLM
Mon 16/213:26MDW - GLA
2 stops14h 29mKLM
Deal found 26/12£496
Thu 5/206:35GLA - STL
2 stops19h 38mBritish Airways
Mon 9/209:33STL - GLA
2 stops19h 12mBritish Airways
Deal found 26/12£558
Fri 17/414:20GLA - ORD
1 stop9h 55mIcelandair
Fri 24/422:25ORD - GLA
1 stop9h 00mIcelandair
Deal found 25/12£446
Thu 12/312:35GLA - ORD
1 stop10h 45mIcelandair
Sun 15/319:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 26/12£454
Sun 19/406:00GLA - MDW
2 stops18h 45mDelta
Sun 26/413:10MDW - GLA
2 stops13h 15mDelta
Deal found 27/12£505
Sun 8/206:05GLA - MDW
2 stops16h 11mKLM
Sun 15/211:45MDW - GLA
2 stops16h 10mKLM
Deal found 25/12£513
Fri 13/312:35GLA - ORD
1 stop10h 45mIcelandair
Sun 15/319:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 26/12£454
Sat 14/306:05GLA - MDW
2 stops17h 35mKLM
Wed 18/313:10MDW - GLA
2 stops14h 20mKLM
Deal found 26/12£535
Thu 12/312:35GLA - ORD
1 stop10h 45mIcelandair
Mon 16/319:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 26/12£454
Thu 12/312:35GLA - ORD
1 stop10h 45mIcelandair
Tue 17/319:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 26/12£454
Sat 30/514:00GLA - STL
1 stop13h 55mUnited Airlines
Sat 18/717:20STL - GLA
1 stop10h 50mUnited Airlines
Deal found 25/12£1,343
Wed 11/312:35GLA - ORD
1 stop10h 45mIcelandair
Mon 16/319:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 26/12£454
Sat 30/510:20GLA - STL
2 stops15h 42mBritish Airways
Sat 18/712:48STL - GLA
2 stops16h 27mBritish Airways
Deal found 25/12£765
Fri 17/409:10GLA - MDW
2 stops15h 35mKLM
Fri 24/413:10MDW - GLA
2 stops14h 30mKLM
Deal found 25/12£661
Wed 11/312:35GLA - ORD
1 stop10h 45mIcelandair
Sun 15/319:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 26/12£454
Mon 9/212:35GLA - MDW
2 stops14h 50mMultiple Airlines
Mon 16/214:20MDW - GLA
3 stops13h 35mMultiple Airlines
Deal found 26/12£1,386
Fri 6/212:35GLA - MDW
2 stops14h 50mMultiple Airlines
Sun 15/213:35MDW - GLA
3 stops14h 20mMultiple Airlines
Deal found 25/12£1,424
Sat 14/312:35GLA - MDW
2 stops15h 25mMultiple Airlines
Wed 18/313:20MDW - GLA
3 stops15h 35mMultiple Airlines
Deal found 26/12£3,266

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 27 December 2025.

Round-trip from

£406

One-way from

£290

Popular in

July

Cheapest in

February

Average price

£675
Icelandair
  • Icelandair
  • 6/2-15/2
  • 2 total stops
  • 20h 10m total
  • Glasgow to Illinois
Search Deals
23/3
  • 23/3
  • 2 total stops
  • 15h 00m total
  • Glasgow to Illinois
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£51 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
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 27 December 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

Fri 6/2

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Sun 15/2

18:30-09:55

1 stop9h 25m

£406

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sun 8/2

07:25-16:55

2 stops15h 30m

Chicago O'Hare Intl

Sun 15/2

19:10-23:10

3 stops22h 00m

£418

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 17/4

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Fri 24/4

22:25-13:25

1 stop9h 00m

£446

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 12/3

12:35-18:20

1 stop10h 45m

Chicago O'Hare Intl

Sun 15/3

19:30-09:55

1 stop9h 25m

£454

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 13/3

12:35-18:20

1 stop10h 45m

Chicago O'Hare Intl

Sun 15/3

19:30-09:55

1 stop9h 25m

£454

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 12/3

12:35-18:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 16/3

19:30-09:55

1 stop9h 25m

£454

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

£454

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 11/3

12:35-18:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 16/3

19:30-09:55

1 stop9h 25m

£454

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 11/3

12:35-18:20

1 stop10h 45m

Chicago O'Hare Intl

Sun 15/3

19:30-09:55

1 stop9h 25m

£454

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Fri 6/2

06:05-17:55

2 stops17h 50m

Chicago Midway

Sun 15/2

11:45-09:55

2 stops16h 10m

£496

Flights are sorted by cheapest return flights first.

Deals found on 24/12

Showing 1-10 of 36 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 £376). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £568). 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 27 December 2025.

It’s typically best to fly out from Glasgow Intl Airport to Illinois in the afternoon. Doing so could potentially save you 38% on the flight price compared to flying in the morning, which is usually more expensive.

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 27 December 2025.
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
1,435 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
KLM
7.7
Good
1,435 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Virgin Atlantic
7.5
Good
677 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Aer Lingus
7.2
Good
1,412 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
Icelandair
7.0
Good
592 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle
British Airways
6.7
Okay
7,614 reviews
KLM
7.7
Good
1,435 reviews
Check prices

Entertainment

7.1

Overall

7.7

Food

7.2

Boarding

7.7

Crew

8.4

Comfort

7.6

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

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 £406, 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 £376). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £568). 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 27 December 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£377Average£466FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£452Average£733FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£469Average£511FlexibilityNo cancel feeOn-time75%
Search KLM flights
Virgin AtlanticCheapest£473Average£536FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Aer LingusCheapest£520Average£819FlexibilityNo 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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