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

For as low as £484, 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.

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 - Lambert-St Louis and Glasgow Intl - Chicago Midway.

What are the most popular airlines that fly from Glasgow Intl Airport to Illinois?

When booking a flight from Glasgow Intl Airport to Illinois, you may want to consider flying on British Airways, Icelandair or Aer Lingus as they are the most popular for this route.

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.

£354+ Flights from Glasgow Intl Airport to Illinois

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 18 December 2025.

Sat 20/1208:40GLA - ORD

2 stops15h 11mBritish Airways

Wed 31/1216:45ORD - GLA

2 stops14h 05mBritish Airways

Deal found 16/12£1,658

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 18 December 2025.

Fri 30/108:25GLA - ORD

2 stops14h 55mMultiple Airlines

Fri 6/218:30ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 16/12£482

Fri 30/112:35GLA - ORD

1 stop10h 45mIcelandair

Fri 6/218:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 16/12£484

Wed 25/212:00GLA - ORD

1 stop13h 15mBritish Airways

Sun 1/318:48ORD - GLA

2 stops37h 42mBritish Airways

Deal found 16/12£488

Sat 31/106:35GLA - ORD

1 stop16h 25mFinnair

Sat 7/211:39ORD - GLA

2 stops17h 06mFinnair

Deal found 17/12£536

Thu 22/106:35GLA - ORD

2 stops16h 11mAmerican Airlines

Wed 28/120:45ORD - GLA

1 stop11h 30mAmerican Airlines

Deal found 17/12£539

Fri 30/106:05GLA - MDW

2 stops18h 31mDelta

Fri 6/209:53MDW - GLA

2 stops18h 02mDelta

Deal found 16/12£642

Sat 31/106:05GLA - MDW

2 stops16h 11mKLM

Sat 7/213:26MDW - GLA

2 stops14h 29mKLM

Deal found 17/12£644

Sat 31/112:35GLA - ORD

1 stop10h 45mIcelandair

Sat 7/218:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 17/12£512

Fri 23/106:35GLA - ORD

1 stop16h 25mBritish Airways

Mon 26/121:45ORD - GLA

1 stop12h 50mBritish Airways

Deal found 17/12£517

Wed 14/109:45GLA - STL

2 stops19h 10mBritish Airways

Wed 21/118:44STL - GLA

2 stops15h 06mBritish Airways

Deal found 17/12£550

Sat 31/106:05GLA - MDW

2 stops16h 11mDelta

Sat 7/213:26MDW - GLA

2 stops14h 29mDelta

Deal found 17/12£644

Fri 17/409:10GLA - MDW

2 stops14h 55mKLM

Fri 24/413:00MDW - GLA

2 stops14h 40mKLM

Deal found 16/12£654

Thu 5/305:55GLA - STL

2 stops19h 35mBritish Airways

Mon 9/313:36STL - GLA

2 stops19h 54mBritish Airways

Deal found 17/12£559

Sat 30/510:20GLA - STL

2 stops15h 42mAmerican Airlines

Sat 18/718:15STL - GLA

2 stops14h 40mAmerican Airlines

Deal found 16/12£754

Sat 30/514:00GLA - STL

1 stop12h 14mUnited Airlines

Sat 18/717:20STL - GLA

1 stop10h 50mUnited Airlines

Deal found 16/12£1,663

Wed 14/120:25GLA - STL

2 stops27h 49mMultiple Airlines

Wed 21/115:50STL - GLA

1 stop14h 15mMultiple Airlines

Deal found 16/12£960

Sat 30/517:25GLA - STL

1 stop32h 05mBritish Airways

Sat 18/718:15STL - GLA

2 stops16h 40mBritish Airways

Deal found 16/12£775

Last-minute flights from Glasgow Intl to Illinois
Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 18 December 2025 and is based on user searches.

Wed 14/109:45GLA - STL

2 stops19h 10mBritish Airways

Wed 21/118:44STL - GLA

2 stops15h 06mBritish Airways

Deal found 17/12£550

Thu 22/111:15GLA - ORD

1 stop12h 05mIcelandair

Wed 28/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 17/12£514

Thu 22/106:35GLA - ORD

2 stops16h 11mAmerican Airlines

Wed 28/120:45ORD - GLA

1 stop11h 30mAmerican Airlines

Deal found 17/12£539

Thu 22/108:20GLA - ORD

3 stops33h 02mMultiple Airlines

Wed 28/106:05ORD - GLA

3 stops21h 50mMultiple Airlines

Deal found 17/12£555

Fri 23/109:40GLA - ORD

1 stop13h 20mBritish Airways

Mon 26/113:35ORD - GLA

2 stops18h 55mBritish Airways

Deal found 17/12£517

Fri 30/108:25GLA - ORD

2 stops14h 55mMultiple Airlines

Fri 6/218:30ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 16/12£482

Fri 30/112:35GLA - ORD

1 stop10h 45mIcelandair

Fri 6/218:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 16/12£484

Fri 30/106:05GLA - MDW

2 stops18h 31mDelta

Fri 6/209:53MDW - GLA

2 stops18h 02mDelta

Deal found 16/12£642

Sat 31/107:20GLA - ORD

2 stops15h 25mMultiple Airlines

Sat 7/219:20ORD - GLA

2 stops20h 30mMultiple Airlines

Deal found 17/12£436

Sat 31/112:35GLA - ORD

1 stop10h 45mIcelandair

Sat 7/218:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 17/12£512

Sat 31/106:35GLA - ORD

1 stop16h 25mFinnair

Sat 7/211:39ORD - GLA

2 stops17h 06mFinnair

Deal found 17/12£536

Sat 31/106:05GLA - MDW

2 stops16h 11mDelta

Sat 7/209:33MDW - GLA

2 stops18h 22mDelta

Deal found 16/12£644

One-way flights from Glasgow Intl to Illinois
Search for one-way flight options from Glasgow Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 18 December 2025.

Mon 13/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 15/12£354

Sun 29/315:55GLA - ORD

3 stops53h 05mMultiple Airlines

Deal found 15/12£414

Mon 13/405:50GLA - ORD

2 stops15h 13mBritish Airways

Deal found 15/12£436

Fri 30/112:50GLA - STL

2 stops36h 37mLufthansa

Deal found 16/12£470

Tue 16/617:25GLA - ORD

1 stop23h 35mLufthansa

Deal found 16/12£476

Tue 16/605:55GLA - ORD

2 stops15h 59mBritish Airways

Deal found 17/12£505

Sat 13/610:20GLA - STL

2 stops15h 52mBritish Airways

Deal found 17/12£632

Wed 10/613:05GLA - STL

1 stop12h 25mBritish Airways

Deal found 17/12£638

Fri 12/613:25GLA - STL

1 stop12h 05mBritish Airways

Deal found 17/12£680

Thu 11/610:00GLA - STL

2 stops16h 21mBritish Airways

Deal found 17/12£942

Tue 16/609:10GLA - MDW

2 stops14h 55mKLM

Deal found 17/12£1,277

Sun 14/612:05GLA - ORD

1 stop12h 10mBritish Airways

Deal found 17/12£1,831

Find flight deals from Glasgow Intl to Illinois

Round-trip from	£436
One-way from	£354
Popular in	July
Cheapest in	February
Average price	£681

31/1-7/2
4 total stops
35h 55m total
Glasgow to Illinois

Search Deals

Icelandair
13/4
1 total stop
9h 55m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£52 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

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

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 30/1

08:25-17:20

2 stops14h 55m

Chicago O'Hare Intl

Fri 6/2

18:30-20:00

2 stops19h 30m

£482

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 30/1

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Fri 6/2

18:30-09:55

1 stop9h 25m

£484

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 25/2

12:00-19:15

1 stop13h 15m

Chicago O'Hare Intl

Sun 1/3

18:48-14:30

2 stops37h 42m

£488

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 31/1

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Sat 7/2

18:30-09:55

1 stop9h 25m

£512

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 23/1

06:35-17:00

1 stop16h 25m

Chicago O'Hare Intl

Mon 26/1

21:45-16:35

1 stop12h 50m

£517

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 31/1

06:35-17:00

1 stop16h 25m

Chicago O'Hare Intl

Sat 7/2

11:39-10:45

2 stops17h 06m

£536

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 22/1

06:35-16:46

2 stops16h 11m

Chicago O'Hare Intl

Wed 28/1

20:45-14:15

1 stop11h 30m

£539

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Wed 14/1

09:45-22:55

2 stops19h 10m

Lambert-St Louis

Wed 21/1

18:44-15:50

2 stops15h 06m

£550

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 5/3

05:55-19:30

2 stops19h 35m

Lambert-St Louis

Mon 9/3

13:36-14:30

2 stops19h 54m

£559

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Fri 30/1

06:05-18:36

2 stops18h 31m

Chicago Midway

Fri 6/2

09:53-09:55

2 stops18h 02m

£642

Flights are sorted by cheapest return flights first.

Deals found on 15/12

Showing 1-10 of 29 results

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 £574). 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?

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

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

1,428 reviews

Check prices

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

1,428 reviews

KLM

7.7

Good

1,428 reviews

Check prices

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

675 reviews

KLM

7.7

Good

1,428 reviews

Check prices

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

1,399 reviews

KLM

7.7

Good

1,428 reviews

Check prices

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

591 reviews

KLM

7.7

Good

1,428 reviews

Check prices

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

7,585 reviews

KLM

7.7

Good

1,428 reviews

Check prices

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

How long is the flight from Glasgow Intl Airport to Illinois?
For as low as £484, 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 - Lambert-St Louis and Glasgow Intl - Chicago Midway.
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 £574). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Bloomington-Normal Airport car hire

Chicago Greater Rockford Airport car hire

Springfield Capital Airport car hire

Champaign University-Willard Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Direct flights to United States

Top 5 airlines flying from Glasgow Intl to Illinois

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£380	Average£471	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£456	Average£739	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
KLM	Cheapest£473	Average£515	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£477	Average£541	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Aer Lingus	Cheapest£524	Average£827	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

Fly with Cheapflights

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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Cheap flights from Glasgow Intl Airport to Illinois from £354

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 13/4. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow Intl to Illinois

Cheapest flights from Glasgow Intl to IllinoisExplore 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 18 December 2025.

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 18 December 2025.

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 18 December 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Illinois that are best for you.

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.

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?

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 18 December 2025.

Reviews of airlines servicing Illinois

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.

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?

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

Can I find deals for flights from Glasgow Intl to Illinois that include hotel bookings?

How can I find direct flights from Glasgow Intl to Illinois?

Can I find deals for business class flights from Glasgow Intl to Illinois?

What is the cheapest month to book a flight from Glasgow Intl Airport to Illinois?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Glasgow Intl to Illinois

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from Glasgow Intl to Illinois

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?

Why should you use Cheapflights to find cheap flight tickets from Glasgow Intl to Illinois?

Can Cheapflights find flights from Glasgow Intl to Illinois with no change fees?

Can Cheapflights notify me if prices for flights from Glasgow Intl to Illinois become cheaper?

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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 18 December 2025.