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

For as low as £448, Aer Lingus 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 - Chicago Midway and Glasgow Intl - Lambert-St Louis.

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.

£269+ Flights from Glasgow Intl Airport to Illinois

Q: How much does it cost for a return flight from Glasgow Intl Airport to Illinois?

Airfare is below average for this route at the moment. Glasgow Intl Airport to Illinois flights typically cost between £569 and £828 in January. The cheapest return flight price found within the last 3 days was £390 on Multiple Airlines (16 Jan-23 Jan).

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 4 December 2025.

Sun 21/1212:35GLA - ORD

1 stop10h 45mIcelandair

Wed 7/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 1/12£701

Tue 9/1210:50GLA - ORD

1 stop12h 10mMultiple Airlines

Tue 16/1219:40ORD - GLA

2 stops12h 55mMultiple Airlines

Deal found 2/12£715

Sun 21/1222:15GLA - ORD

2 stops22h 05mMultiple Airlines

Wed 7/117:20ORD - GLA

2 stops21h 40mMultiple Airlines

Deal found 1/12£716

Sun 21/1212:35GLA - ORD

1 stop10h 45mIcelandair

Tue 6/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 1/12£839

Mon 22/1206:05GLA - ORD

1 stop14h 15mDelta

Sat 10/114:30ORD - GLA

2 stops13h 25mDelta

Deal found 1/12£856

Tue 23/1208:55GLA - ORD

1 stop12h 30mAmerican Airlines

Thu 8/120:45ORD - GLA

1 stop12h 25mAmerican Airlines

Deal found 1/12£863

Mon 22/1212:35GLA - ORD

1 stop10h 45mIcelandair

Thu 8/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 1/12£865

Fri 19/1206:05GLA - ORD

1 stop14h 15mDelta

Sat 10/116:25ORD - GLA

1 stop11h 30mDelta

Deal found 1/12£886

Mon 22/1206:05GLA - ORD

1 stop14h 15mDelta

Thu 8/112:15ORD - GLA

2 stops15h 40mDelta

Deal found 1/12£892

Tue 30/1213:10GLA - STL

1 stop30h 45mLufthansa

Tue 6/113:12STL - GLA

2 stops16h 53mLufthansa

Deal found 2/12£959

Sun 21/1206:05GLA - MDW

2 stops16h 15mKLM

Wed 7/113:28MDW - GLA

2 stops14h 27mKLM

Deal found 1/12£1,196

Tue 30/1212:05GLA - STL

3 stops33h 24mMultiple Airlines

Tue 6/116:05STL - GLA

2 stops18h 30mMultiple Airlines

Deal found 2/12£1,427

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 4 December 2025.

Fri 16/123:00GLA - ORD

2 stops24h 20mMultiple Airlines

Fri 23/118:30ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 2/12£390

Tue 13/112:00GLA - ORD

1 stop13h 15mAer Lingus

Mon 19/121:00ORD - GLA

1 stop13h 00mAer Lingus

Deal found 1/12£438

Fri 16/112:35GLA - ORD

1 stop10h 45mIcelandair

Fri 23/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 2/12£448

Tue 13/106:05GLA - MDW

2 stops17h 29mKLM

Mon 19/113:26MDW - GLA

2 stops14h 29mKLM

Deal found 1/12£538

Tue 13/106:05GLA - MDW

2 stops17h 29mDelta

Mon 19/113:26MDW - GLA

2 stops14h 29mDelta

Deal found 1/12£538

Fri 17/409:10GLA - MDW

2 stops14h 55mAir France

Fri 24/413:00MDW - GLA

2 stops14h 40mAir France

Deal found 1/12£570

Thu 29/111:30GLA - STL

2 stops17h 42mAmerican Airlines

Mon 2/211:05STL - GLA

2 stops20h 00mAmerican Airlines

Deal found 1/12£605

Thu 29/105:55GLA - STL

2 stops22h 49mBritish Airways

Mon 2/214:54STL - GLA

2 stops17h 36mBritish Airways

Deal found 2/12£641

Thu 22/107:15GLA - ORD

2 stops16h 05mMultiple Airlines

Fri 30/118:30ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 3/12£391

Tue 13/108:25GLA - ORD

2 stops14h 55mMultiple Airlines

Mon 19/118:30ORD - GLA

2 stops15h 30mMultiple Airlines

Deal found 1/12£395

Thu 22/111:15GLA - ORD

1 stop12h 05mIcelandair

Fri 30/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 3/12£466

Tue 30/1213:10GLA - STL

1 stop30h 45mLufthansa

Tue 6/113:12STL - GLA

2 stops16h 53mLufthansa

Deal found 2/12£959

Fri 17/414:20GLA - ORD

1 stop13h 20mIcelandair

Fri 24/419:25ORD - GLA

1 stop12h 00mIcelandair

Deal found 2/12£488

Wed 21/106:05GLA - MDW

2 stops18h 31mKLM

Tue 3/213:51MDW - GLA

2 stops20h 44mKLM

Deal found 1/12£562

Wed 21/110:40GLA - MDW

2 stops28h 12mDelta

Sun 25/109:32MDW - GLA

2 stops18h 23mDelta

Deal found 1/12£567

Wed 25/212:35GLA - ORD

1 stop10h 45mIcelandair

Sun 1/318:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 1/12£495

Wed 21/107:45GLA - ORD

2 stops15h 35mMultiple Airlines

Tue 3/207:20ORD - GLA

3 stops18h 30mMultiple Airlines

Deal found 1/12£506

Thu 5/306:35GLA - STL

2 stops22h 53mBritish Airways

Mon 9/318:33STL - GLA

2 stops14h 57mBritish Airways

Deal found 3/12£645

Mon 9/317:20GLA - MDW

2 stops30h 20mKLM

Thu 19/318:35MDW - GLA

2 stops13h 10mKLM

Deal found 3/12£606

Thu 22/106:05GLA - MDW

2 stops18h 31mDelta

Fri 30/109:50MDW - GLA

2 stops18h 05mDelta

Deal found 3/12£639

Fri 17/406:00GLA - MDW

2 stops18h 31mDelta

Fri 24/413:00MDW - GLA

2 stops14h 40mDelta

Deal found 2/12£681

Wed 4/210:55GLA - MLI

2 stops17h 28mAmerican Airlines

Sun 8/207:31MLI - GLA

2 stops23h 44mAmerican Airlines

Deal found 30/11£863

Fri 27/306:05GLA - MDW

2 stops16h 50mKLM

Fri 3/419:20MDW - GLA

2 stops14h 55mKLM

Deal found 1/12£826

Sun 21/1206:05GLA - MDW

2 stops16h 15mKLM

Wed 7/113:28MDW - GLA

2 stops14h 27mKLM

Deal found 1/12£1,196

Tue 30/1212:05GLA - STL

3 stops33h 24mMultiple Airlines

Tue 6/116:05STL - GLA

2 stops18h 30mMultiple Airlines

Deal found 2/12£1,427

Last-minute flights from Glasgow Intl to Illinois
Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 4 December 2025 and is based on user searches.

Tue 13/108:25GLA - ORD

2 stops14h 55mMultiple Airlines

Mon 19/118:30ORD - GLA

2 stops15h 30mMultiple Airlines

Deal found 1/12£395

Tue 13/112:00GLA - ORD

1 stop13h 15mAer Lingus

Mon 19/121:00ORD - GLA

1 stop13h 00mAer Lingus

Deal found 1/12£438

Tue 13/106:05GLA - MDW

2 stops17h 29mDelta

Mon 19/113:26MDW - GLA

2 stops14h 29mDelta

Deal found 1/12£538

Fri 16/123:00GLA - ORD

2 stops24h 20mMultiple Airlines

Fri 23/118:30ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 2/12£390

Fri 16/112:35GLA - ORD

1 stop10h 45mIcelandair

Fri 23/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 2/12£448

Wed 21/112:00GLA - ORD

1 stop13h 15mBritish Airways

Tue 3/218:25ORD - GLA

1 stop12h 40mBritish Airways

Deal found 1/12£506

Wed 21/106:05GLA - MDW

2 stops18h 31mKLM

Tue 3/213:51MDW - GLA

2 stops20h 44mKLM

Deal found 1/12£562

Wed 21/110:40GLA - MDW

2 stops28h 12mDelta

Sun 25/109:32MDW - GLA

2 stops18h 23mDelta

Deal found 1/12£567

Thu 22/107:15GLA - ORD

2 stops16h 05mMultiple Airlines

Fri 30/118:30ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 3/12£391

Thu 22/111:15GLA - ORD

1 stop12h 05mIcelandair

Fri 30/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 3/12£466

Wed 28/112:35GLA - ORD

1 stop10h 45mIcelandair

Sun 1/218:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 30/11£484

Thu 29/111:30GLA - STL

2 stops17h 42mAmerican Airlines

Mon 2/211:05STL - GLA

2 stops20h 00mAmerican Airlines

Deal found 1/12£605

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 4 December 2025.

Wed 11/208:15GLA - ORD

3 stops34h 42mMultiple Airlines

Deal found 3/12£269

Tue 17/219:55GLA - ORD

3 stops43h 21mMultiple Airlines

Deal found 3/12£270

Thu 12/207:15GLA - ORD

2 stops16h 05mMultiple Airlines

Deal found 3/12£276

Mon 16/208:20GLA - ORD

2 stops15h 00mMultiple Airlines

Deal found 3/12£284

Sun 15/207:25GLA - ORD

2 stops15h 55mMultiple Airlines

Deal found 3/12£286

Tue 28/411:10GLA - ORD

3 stops36h 40mMultiple Airlines

Deal found 1/12£297

Fri 13/208:25GLA - ORD

2 stops14h 55mMultiple Airlines

Deal found 3/12£302

Tue 30/1221:50GLA - MDW

3 stops30h 08mMultiple Airlines

Deal found 3/12£536

Fri 22/510:25GLA - STL

2 stops15h 47mBritish Airways

Deal found 2/12£579

Mon 29/1212:10GLA - MDW

3 stops51h 55mMultiple Airlines

Deal found 3/12£616

Thu 1/107:10GLA - MDW

3 stops33h 00mMultiple Airlines

Deal found 3/12£676

Fri 2/107:00GLA - MDW

3 stops57h 10mMultiple Airlines

Deal found 3/12£878

Find flight deals from Glasgow Intl to Illinois

Round-trip from	£390
One-way from	£269
Popular in	December
Cheapest in	February
Average price	£727

16/1-23/1
4 total stops
43h 50m total
Glasgow to Illinois

Search Deals

11/2
3 total stops
34h 42m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£23 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 16/1

23:00-17:20

2 stops24h 20m

Chicago O'Hare Intl

Fri 23/1

18:30-20:00

2 stops19h 30m

£390

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 22/1

07:15-17:20

2 stops16h 05m

Chicago O'Hare Intl

Fri 30/1

18:30-20:00

2 stops19h 30m

£391

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 13/1

08:25-17:20

2 stops14h 55m

Chicago O'Hare Intl

Mon 19/1

18:30-16:00

2 stops15h 30m

£395

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 13/1

12:00-19:15

1 stop13h 15m

Chicago O'Hare Intl

Mon 19/1

21:00-16:00

1 stop13h 00m

£438

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 16/1

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Fri 23/1

18:30-09:55

1 stop9h 25m

£448

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 22/1

11:15-17:20

1 stop12h 05m

Chicago O'Hare Intl

Fri 30/1

18:30-09:55

1 stop9h 25m

£466

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 17/4

14:20-21:40

1 stop13h 20m

Chicago O'Hare Intl

Fri 24/4

19:25-13:25

1 stop12h 00m

£488

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 25/2

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Sun 1/3

18:30-09:55

1 stop9h 25m

£495

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 21/1

07:45-17:20

2 stops15h 35m

Chicago O'Hare Intl

Tue 3/2

07:20-07:50

3 stops18h 30m

£506

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Tue 13/1

06:05-17:34

2 stops17h 29m

Chicago Midway

Mon 19/1

13:26-09:55

2 stops14h 29m

£538

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 44 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 £382). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £512). 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.

How much does it cost for a return flight from Glasgow Intl Airport to Illinois?

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

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

KLM

7.7

Good

1,428 reviews

KLM

7.7

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Virgin Atlantic

7.5

Good

675 reviews

KLM

7.7

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Aer Lingus

7.2

Good

1,384 reviews

KLM

7.7

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Icelandair

7.0

Good

584 reviews

KLM

7.7

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

British Airways

6.7

Okay

7,557 reviews

KLM

7.7

Good

1,428 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

How long is the flight from Glasgow Intl Airport to Illinois?
For as low as £448, Aer Lingus 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 £382). Flying from Glasgow Intl Airport to Illinois in December is currently the most expensive (average of £512). 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£382	Average£474	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£459	Average£742	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
KLM	Cheapest£476	Average£519	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£480	Average£550	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Aer Lingus	Cheapest£528	Average£801	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 £269

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 11/2. 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 4 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 4 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 4 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 4 December 2025.

How much does it cost for a return flight from Glasgow Intl Airport to Illinois?

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?

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Alternative routes for Glasgow Intl to Illinois

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Top 5 airlines flying from Glasgow Intl to Illinois

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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 4 December 2025.