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

For as low as £600, Air France 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.

£301+ 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 19 September 2026.

Mon 2/1122:40 -

2 stops48h 05m

Mon 9/1118:30 -

1 stop9h 25m

Deal found 18/9£461

Thu 5/1117:15 -

3 stops29h 30m

Tue 10/1119:15 -

3 stops31h 15m

Deal found 18/9£467

Thu 29/1009:25 -

1 stop14h 55m

Thu 5/1120:05 -

1 stop16h 55m

Deal found 14/9£512

Mon 9/1111:55 -

1 stop11h 25m

Mon 23/1118:30 -

1 stop9h 25m

Deal found 15/9£516

Thu 5/1111:55 -

1 stop11h 25m

Tue 10/1118:30 -

1 stop9h 25m

Deal found 18/9£527

Thu 5/1106:00 -

2 stops18h 00m

Tue 10/1109:30 -

2 stops17h 00m

Deal found 18/9£600

Thu 1/1006:00 -

2 stops18h 33m

Sat 17/1018:44 -

2 stops15h 31m

Deal found 15/9£606

Mon 9/1106:00 -

2 stops18h 04m

Tue 24/1109:30 -

2 stops17h 00m

Deal found 14/9£607

Mon 2/1106:00 -

2 stops23h 21m

Mon 9/1115:30 -

2 stops15h 15m

Deal found 18/9£663

Fri 20/1106:00 -

2 stops16h 39m

Mon 23/1109:30 -

2 stops17h 00m

Deal found 14/9£684

Sat 31/1005:40 -

2 stops21h 53m

Sat 7/1112:27 -

2 stops18h 18m

Deal found 16/9£692

Fri 20/1108:00 -

2 stops14h 44m

Mon 23/1117:29 -

2 stops16h 56m

Deal found 14/9£706

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 19 September 2026.

Mon 2/1107:50 -

1 stop16h 30m

Mon 9/1115:55 -

1 stop11h 10m

Deal found 18/9£482

Mon 23/1106:00 -

1 stop14h 25m

Wed 6/116:25 -

1 stop18h 05m

Deal found 17/9£581

Sat 31/1008:25 -

1 stop11h 45m

Sat 7/1115:55 -

1 stop14h 50m

Deal found 16/9£600

Thu 5/1106:00 -

2 stops18h 00m

Tue 10/1109:30 -

2 stops17h 00m

Deal found 18/9£600

Mon 23/1106:00 -

1 stop14h 25m

Wed 6/107:00 -

2 stops20h 55m

Deal found 14/9£602

Fri 20/1108:00 -

2 stops14h 44m

Mon 23/1117:29 -

2 stops16h 56m

Deal found 14/9£706

Thu 21/109:30 -

2 stops16h 54m

Mon 25/109:52 -

2 stops18h 13m

Deal found 18/9£734

Mon 23/1122:40 -

2 stops24h 40m

Wed 6/118:30 -

2 stops17h 05m

Deal found 17/9£556

Sat 31/1005:40 -

1 stop14h 45m

Sat 7/1116:25 -

1 stop18h 05m

Deal found 16/9£601

Mon 12/1006:00 -

1 stop14h 30m

Mon 19/1013:50 -

2 stops17h 05m

Deal found 14/9£603

Thu 29/1009:05 -

1 stop11h 20m

Thu 5/1110:30 -

2 stops16h 00m

Deal found 14/9£603

Mon 9/1109:05 -

1 stop11h 20m

Tue 24/1111:19 -

2 stops15h 11m

Deal found 14/9£603

Sun 1/1105:40 -

2 stops22h 04m

Sun 8/1108:29 -

2 stops18h 01m

Deal found 17/9£604

Thu 1/1006:00 -

2 stops16h 13m

Sat 17/1016:15 -

1 stop18h 00m

Deal found 15/9£606

Mon 2/1107:50 -

2 stops21h 26m

Mon 9/1118:44 -

3 stops33h 11m

Deal found 18/9£837

Thu 1/1006:00 -

2 stops18h 33m

Sat 17/1018:44 -

2 stops15h 31m

Deal found 15/9£606

Thu 5/1111:55 -

2 stops18h 15m

Tue 10/1110:15 -

3 stops17h 40m

Deal found 18/9£880

Mon 9/1106:00 -

2 stops18h 04m

Mon 23/1109:30 -

2 stops17h 00m

Deal found 15/9£606

Fri 20/1106:00 -

2 stops18h 44m

Mon 23/1116:25 -

1 stop18h 05m

Deal found 14/9£607

Mon 2/1111:55 -

2 stops17h 10m

Mon 9/1112:55 -

3 stops15h 00m

Deal found 18/9£906

Fri 22/105:40 -

2 stops18h 57m

Wed 27/109:55 -

2 stops18h 00m

Deal found 14/9£614

Mon 2/1106:00 -

2 stops23h 21m

Mon 9/1115:30 -

2 stops15h 15m

Deal found 18/9£663

Sat 31/1005:40 -

2 stops21h 53m

Sat 7/1112:27 -

2 stops18h 18m

Deal found 16/9£692

Thu 29/1005:40 -

2 stops17h 20m

Thu 5/1113:27 -

2 stops17h 18m

Deal found 14/9£772

Sun 1/1105:40 -

2 stops18h 20m

Sun 8/1109:29 -

2 stops17h 01m

Deal found 17/9£820

Thu 17/1205:40 -

2 stops16h 37m

Tue 29/1209:30 -

2 stops17h 00m

Deal found 18/9£850

Fri 20/1114:05 -

3 stops37h 08m

Mon 23/1106:00 -

3 stops45h 55m

Deal found 14/9£11,020

Find flight deals from Glasgow Intl to Illinois

Round-trip from	£461
One-way from	£301
Popular in	July
Cheapest in	February
Average price	£638

Icelandair
2/11-9/11
3 total stops
57h 30m 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 (£124 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 September 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

Thu 28/1

09:50-19:15

2 stops39h 25m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£325

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 25/1

20:40-19:15

1 stop28h 35m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£383

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 23/11

22:40-14:10

1 stop21h 30m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£386

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Tue 29/9

20:40-12:40

2 stops46h 00m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£440

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Mon 23/11

06:35-19:47

3 stops43h 12m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£481

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

£482

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 2/11

07:50-18:20

1 stop16h 30m

Chicago O'Hare Intl

Mon 9/11

15:55-09:05

1 stop11h 10m

£482

Fastest return journey

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Mon 23/11

06:00-16:18

2 stops16h 18m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£490

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 12/10

21:45-14:00

1 stop22h 15m

Chicago O'Hare Intl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£497

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Sat 23/1

05:40-16:25

2 stops16h 45m

Chicago Midway

Wed 31/12

00:00-07:00

Nonstop0h 00m

£542

Flights are sorted by cheapest return flights first.

Deals found on 15/9

Showing 1-10 of 38 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-STL

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-STL

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 £385). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £916). 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 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

7.4

Good

694 reviews

Check prices

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

7.4

Good

694 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

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

1,770 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

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

6.9

Okay

747 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

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

8,229 reviews

Virgin Atlantic

7.4

Good

694 reviews

Check prices

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

How long is the flight from Glasgow Intl Airport to Illinois?
For as low as £600, Air France 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 £385). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £916). 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£467	Average£635	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Aer Lingus	Cheapest£623	Average£880	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 £301

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 19 September 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 19 September 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 19 September 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 19 September 2026.

Last-minute flights from Glasgow Intl to IllinoisDiscover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 19 September 2026 and is based on user searches.

Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 19 September 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 19 September 2026.

Search for one-way flight options from Glasgow Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 19 September 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

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Complete your trip

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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 19 September 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 19 September 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 19 September 2026.

Last-minute flights from Glasgow Intl to Illinois
Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 19 September 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 19 September 2026.