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

For as low as £564, Icelandair can have you in Illinois from Glasgow Intl Airport in 11h 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 Icelandair, Aer Lingus or British Airways as they are the most popular for this route.

What is the cheapest time of day to fly from GLA to IL?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow Intl Airport to Illinois as you normally would.

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.

£297+ Cheap 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

Best

Last-minute

One-way

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 2 October 2026.

Mon 23/1107:50 -

2 stops15h 30m

Mon 30/1118:30 -

2 stops12h 15m

Deal found 1/10£451

Fri 20/1111:35 -

1 stop11h 45m

Sat 28/1118:30 -

1 stop9h 25m

Deal found 29/9£529

Thu 12/1109:25 -

1 stop14h 55m

Thu 19/1115:55 -

1 stop17h 35m

Deal found 28/9£532

Mon 23/1111:55 -

1 stop11h 25m

Mon 30/1118:30 -

1 stop9h 25m

Deal found 1/10£534

Mon 16/1110:50 -

2 stops34h 05m

Sun 29/1118:30 -

1 stop9h 25m

Deal found 29/9£538

Tue 27/1011:55 -

1 stop11h 25m

Fri 6/1118:30 -

1 stop9h 25m

Deal found 27/9£538

Fri 20/1121:50 -

2 stops22h 35m

Sat 28/1118:30 -

1 stop9h 25m

Deal found 29/9£541

Wed 25/1109:55 -

2 stops34h 30m

Tue 5/118:30 -

1 stop9h 25m

Deal found 29/9£547

Thu 17/1213:55 -

2 stops33h 25m

Sun 10/118:30 -

1 stop9h 25m

Deal found 30/9£549

Wed 14/1006:00 -

2 stops18h 00m

Sun 25/1017:31 -

2 stops17h 59m

Deal found 27/9£622

Fri 20/1106:00 -

2 stops22h 54m

Sat 28/1109:30 -

2 stops18h 35m

Deal found 29/9£710

Mon 9/1106:00 -

2 stops16h 39m

Mon 16/1113:31 -

2 stops17h 14m

Deal found 30/9£714

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 2 October 2026.

Sat 6/311:35 -

1 stop11h 45m

Tue 23/319:30 -

1 stop11h 55m

Deal found 27/9£564

Sun 20/1222:25 -

1 stop25h 55m

Sun 17/118:30 -

1 stop9h 25m

Deal found 29/9£606

Fri 19/306:00 -

2 stops21h 04m

Wed 31/316:20 -

1 stop17h 55m

Deal found 28/9£630

Thu 12/1106:35 -

2 stops16h 20m

Thu 19/1113:14 -

2 stops13h 16m

Deal found 28/9£639

Sun 15/1108:25 -

1 stop11h 45m

Sun 22/1115:55 -

1 stop10h 00m

Deal found 30/9£662

Thu 29/1005:40 -

2 stops16h 07m

Mon 9/1112:30 -

2 stops14h 00m

Deal found 27/9£944

Thu 17/1218:00 -

3 stops27h 30m

Sun 10/118:30 -

1 stop9h 25m

Deal found 30/9£620

Tue 9/317:15 -

1 stop26h 30m

Sat 20/322:50 -

1 stop11h 00m

Deal found 27/9£676

Mon 8/306:00 -

1 stop14h 25m

Wed 17/313:30 -

2 stops14h 00m

Deal found 27/9£693

Mon 9/1107:15 -

2 stops17h 05m

Mon 16/1120:05 -

2 stops19h 00m

Deal found 30/9£665

Sun 7/313:25 -

1 stop31h 00m

Mon 22/318:10 -

2 stops17h 20m

Deal found 27/9£693

Wed 3/305:40 -

1 stop14h 45m

Tue 23/318:10 -

2 stops17h 20m

Deal found 27/9£693

Mon 8/306:00 -

2 stops18h 37m

Tue 23/313:00 -

2 stops14h 30m

Deal found 27/9£696

Wed 28/1008:55 -

2 stops20h 14m

Wed 4/1115:11 -

2 stops19h 29m

Deal found 30/9£854

Tue 9/309:05 -

2 stops15h 32m

Mon 22/317:59 -

2 stops17h 31m

Deal found 27/9£696

Tue 9/309:05 -

2 stops15h 32m

Tue 23/317:59 -

2 stops13h 46m

Deal found 27/9£696

Fri 20/1106:00 -

2 stops22h 54m

Sat 28/1109:30 -

2 stops18h 35m

Deal found 29/9£710

Sun 20/1211:55 -

2 stops18h 20m

Sun 17/108:30 -

3 stops19h 25m

Deal found 29/9£1,081

Mon 9/1106:00 -

2 stops16h 39m

Mon 16/1113:31 -

2 stops17h 14m

Deal found 30/9£714

Thu 12/1106:00 -

2 stops18h 04m

Thu 19/1109:30 -

2 stops17h 00m

Deal found 28/9£755

Sat 20/306:00 -

2 stops17h 37m

Mon 29/317:35 -

2 stops16h 40m

Deal found 29/9£757

Sun 7/305:40 -

2 stops17h 10m

Sun 21/317:25 -

2 stops18h 05m

Deal found 27/9£762

Mon 21/1205:40 -

2 stops17h 44m

Sat 9/109:30 -

2 stops18h 25m

Deal found 1/10£1,006

Fri 5/305:40 -

2 stops17h 10m

Fri 19/317:59 -

2 stops13h 46m

Deal found 27/9£1,040

Find flight deals from Glasgow Intl to Illinois

Round-trip from	£451
One-way from	£297
Popular in	July
Cheapest in	February
Average price	£723

23/11-30/11
4 total stops
27h 45m total
Glasgow to Illinois

Search Deals

24/1-31/12
2 total stops
40h 25m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£129 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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

Cheapest return flight

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Fri 22/1

06:35-19:15

2 stops42h 40m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£324

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 25/11

09:55-14:10

1 stop34h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£377

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 19/10

21:45-16:00

2 stops48h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£436

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Wed 25/11

09:55-07:23

3 stops51h 28m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£468

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Sat 9/1

20:50-19:42

3 stops52h 52m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£473

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Wed 25/11

05:40-16:39

2 stops16h 59m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£482

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Mon 25/1

05:40-18:37

2 stops18h 57m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£491

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Thu 15/10

09:05-19:15

1 stop16h 10m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£497

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sat 9/1

15:50-19:15

1 stop33h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£498

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Tue 26/1

05:40-16:25

2 stops16h 45m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£507

Flights are sorted by cheapest return flights first.

Deals found on 1/10

Showing 1-10 of 41 resultsSorted by cheapest first

...

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.

GLA-ORD

GLA-MDW

GLA-SPI

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

GLA-USIL

GLA-ORD

GLA-MDW

GLA-SPI

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 £389). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £926). 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

See what other customers who have flown with Aer Lingus,Icelandair, andBritish Airways 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.

Aer Lingus

7.3

Good

1,809 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Aer Lingus

7.3

Good

1,809 reviews

Aer Lingus

7.3

Good

1,809 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Icelandair

6.9

Okay

756 reviews

Aer Lingus

7.3

Good

1,809 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

British Airways

6.7

Okay

8,241 reviews

Aer Lingus

7.3

Good

1,809 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Michael,Sept 2026

DUB - JFK

Food and service was great. Wish the USB on the planes worked so I could charge and use my phone on the flight

Related info for your journey

How long is the flight from Glasgow Intl Airport to Illinois?
For as low as £564, Icelandair can have you in Illinois from Glasgow Intl Airport in 11h 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, February is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £389). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £926). 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.

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Top 2 airlines flying from Glasgow Intl to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£472	Average£650	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Aer Lingus	Cheapest£594	Average£905	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights

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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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Cheap flights from Glasgow Intl Airport to Illinois from £297

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/1. 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 2 October 2026.

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 2 October 2026.

Best flights from Glasgow Intl to IllinoisDiscover 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 2 October 2026.

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 2 October 2026.

Last-minute flights from Glasgow Intl to IllinoisDiscover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 2 October 2026 and is based on user searches.

Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 2 October 2026 and is based on user searches.

One-way flights from Glasgow Intl to IllinoisSearch for one-way flight options from Glasgow Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

Search for one-way flight options from Glasgow Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 2 October 2026.

Find flight deals from Glasgow Intl to Illinois

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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

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

Reviews of airlines servicing Illinois

Related info for your journey

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

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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.

Complete your trip

Complete your trip to Illinois by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to United States

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Search flights from Glasgow Intl to Illinois by cabin class

Find flights from Glasgow Intl to Illinois, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Glasgow Intl and Illinois flights

Browse other Glasgow Intl and Illinois flight options. Last updated on 2 October 2026.

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Glasgow Intl to Illinois flights

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Top 2 airlines flying from Glasgow Intl to Illinois

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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 2 October 2026.

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 2 October 2026.

Last-minute flights from Glasgow Intl to Illinois
Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 2 October 2026 and is based on user searches.

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 2 October 2026.