How long is the flight from Glasgow to Illinois?

Departing from Glasgow to Illinois will take you 9h 55m. Airlines will cover a distance of 3663 mi. This flight may include one or multiple 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 to Illinois?

While some choose either Glasgow Intl - Chicago Midway or Glasgow Intl - Lambert-St Louis, Glasgow Intl - Chicago O'Hare Intl is the most popular route from Glasgow to Illinois.

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

Consider Icelandair, Aer Lingus or British Airways when booking your flight. These represent the most popular airlines when flying from Glasgow to Illinois.

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

Yes. In addition to deals on Glasgow to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Glasgow to Illinois?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Illinois.

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

Yes. Cheapflights offers flight deals from Glasgow 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 to Illinois

Cheap flight deals from Glasgow to Illinois

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Glasgow to Illinois
Explore the most affordable flight options available from Glasgow to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Sat 17/1011:10 -

3 stops35h 00m

Sat 24/1019:15 -

3 stops21h 45m

Deal found 28/8£496

Wed 30/907:45 -

1 stop12h 15m

Sun 4/1015:45 -

1 stop11h 10m

Deal found 31/8£513

Sat 5/1211:55 -

1 stop11h 25m

Sun 13/1218:30 -

1 stop9h 25m

Deal found 27/8£528

Fri 2/1007:25 -

1 stop12h 35m

Wed 7/1015:45 -

1 stop10h 55m

Deal found 31/8£532

Fri 2/1007:25 -

1 stop12h 35m

Fri 9/1021:00 -

1 stop10h 35m

Deal found 31/8£536

Fri 2/1007:25 -

1 stop12h 35m

Thu 8/1021:00 -

1 stop18h 00m

Deal found 31/8£543

Fri 2/1007:25 -

1 stop12h 35m

Tue 6/1015:45 -

1 stop13h 45m

Deal found 31/8£548

Thu 15/1014:20 -

1 stop9h 55m

Wed 28/1019:30 -

1 stop9h 25m

Deal found 30/8£549

Wed 30/914:20 -

1 stop9h 55m

Thu 8/1019:25 -

1 stop12h 00m

Deal found 31/8£552

Wed 11/1111:35 -

1 stop11h 45m

Thu 7/118:30 -

1 stop9h 25m

Deal found 27/8£554

Wed 21/1014:20 -

1 stop9h 55m

Wed 28/1019:30 -

1 stop9h 25m

Deal found 26/8£556

Wed 16/906:00 -

2 stops18h 33m

Wed 23/909:59 -

2 stops16h 26m

Deal found 31/8£636

Best flights from Glasgow to Illinois
Discover carefully curated flight deals from Glasgow to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Thu 15/1014:20 -

1 stop9h 55m

Wed 28/1019:30 -

1 stop9h 25m

Deal found 30/8£549

Sat 5/1215:25 -

2 stops31h 55m

Sun 13/1218:30 -

1 stop9h 25m

Deal found 27/8£578

Fri 2/1009:10 -

1 stop11h 05m

Mon 19/1016:50 -

1 stop17h 20m

Deal found 31/8£595

Wed 16/921:25 -

1 stop27h 50m

Wed 23/915:45 -

1 stop10h 20m

Deal found 29/8£649

Mon 30/1105:40 -

2 stops20h 49m

Wed 9/1210:18 -

2 stops16h 12m

Deal found 30/8£660

Thu 21/111:30 -

2 stops18h 28m

Mon 25/109:33 -

2 stops22h 57m

Deal found 27/8£727

Thu 15/1014:00 -

1 stop32h 00m

Thu 22/1016:50 -

1 stop11h 20m

Deal found 31/8£746

Wed 16/906:00 -

1 stop14h 30m

Wed 23/907:35 -

2 stops18h 50m

Deal found 30/8£633

Wed 16/906:00 -

2 stops18h 33m

Wed 23/919:01 -

2 stops15h 09m

Deal found 30/8£636

Tue 13/1017:10 -

2 stops33h 47m

Fri 6/1111:32 -

2 stops22h 08m

Deal found 27/8£718

Sat 5/1205:40 -

2 stops20h 35m

Sun 13/1213:35 -

2 stops17h 10m

Deal found 27/8£649

Fri 2/1006:00 -

2 stops18h 19m

Mon 19/1009:29 -

2 stops16h 56m

Deal found 27/8£811

Tue 13/1017:10 -

1 stop32h 20m

Fri 6/1116:26 -

2 stops14h 34m

Deal found 27/8£903

Fri 2/1006:00 -

2 stops18h 19m

Mon 19/1012:27 -

2 stops13h 58m

Deal found 28/8£700

Thu 15/1010:00 -

3 stops33h 25m

Thu 22/1012:10 -

3 stops29h 35m

Deal found 31/8£900

Sun 11/1014:00 -

2 stops38h 38m

Sun 18/1008:25 -

2 stops43h 45m

Deal found 27/8£1,081

Sat 5/1205:40 -

2 stops18h 21m

Sun 13/1217:14 -

2 stops17h 16m

Deal found 27/8£758

Thu 15/1006:00 -

2 stops18h 00m

Wed 28/1010:01 -

2 stops17h 29m

Deal found 28/8£1,329

Fri 2/1014:20 -

2 stops13h 40m

Mon 19/1014:50 -

3 stops16h 35m

Deal found 30/8£2,059

Mon 30/1114:05 -

3 stops37h 54m

Wed 9/1207:26 -

3 stops43h 04m

Deal found 30/8£10,880

Find flight deals from Glasgow to Illinois

Round-trip from	£496
One-way from	£297
Popular in	July
Cheapest in	February
Average price	£594

17/10-24/10
6 total stops
56h 45m total
Glasgow to Illinois

Search Deals

21/10
3 total stops
36h 20m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 23% potential increase in price (£132 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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Thu 15/10

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Wed 28/10

19:30-09:55

1 stop9h 25m

£549

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sat 5/12

15:25-17:20

2 stops31h 55m

Chicago O'Hare Intl

Sun 13/12

18:30-09:55

1 stop9h 25m

£578

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Fri 2/10

09:10-14:15

1 stop11h 05m

Chicago O'Hare Intl

Mon 19/10

16:50-16:10

1 stop17h 20m

£595

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 16/9

06:00-14:30

1 stop14h 30m

Chicago O'Hare Intl

Wed 23/9

07:35-08:25

2 stops18h 50m

£633

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Wed 16/9

06:00-18:33

2 stops18h 33m

Chicago Midway

Wed 23/9

19:01-16:10

2 stops15h 09m

£636

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 16/9

21:25-19:15

1 stop27h 50m

Chicago O'Hare Intl

Wed 23/9

15:45-08:05

1 stop10h 20m

£649

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sat 5/12

05:40-20:15

2 stops20h 35m

Chicago O'Hare Intl

Sun 13/12

13:35-12:45

2 stops17h 10m

£649

GlasgowSt. Louis

GLA Glasgow Intl - STL Lambert-St Louis

GLASTL

Glasgow Intl

Mon 30/11

05:40-20:29

2 stops20h 49m

Lambert-St Louis

Wed 9/12

10:18-08:30

2 stops16h 12m

£660

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Fri 2/10

06:00-18:19

2 stops18h 19m

Chicago Midway

Mon 19/10

12:27-08:25

2 stops13h 58m

£700

GlasgowSt. Louis

GLA Glasgow Intl - STL Lambert-St Louis

GLASTL

Glasgow Intl

Tue 13/10

17:10-20:57

2 stops33h 47m

Lambert-St Louis

Fri 6/11

11:32-15:40

2 stops22h 08m

£718

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 37 resultsSorted by cheapest first

Best time to book a flight from Glasgow to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Glasgow with our price prediction graph.

GLA-ORD

GLA-STL

GLA-MDW

GLA-MLI

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 to Illinois

GG1-USIL

GLA-ORD

GLA-STL

GLA-MDW

GLA-MLI

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

Currently, February is the cheapest month in which you can book a flight from Glasgow to Illinois (average of £380). Flying from Glasgow to Illinois in July is currently the most expensive (average of £907). 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?

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

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with Virgin Atlantic,Aer Lingus, andIcelandair from Glasgow to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Atlantic

7.4

Good

695 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

695 reviews

Virgin Atlantic

7.4

Good

695 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

1,736 reviews

Virgin Atlantic

7.4

Good

695 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

738 reviews

Virgin Atlantic

7.4

Good

695 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

8,198 reviews

Virgin Atlantic

7.4

Good

695 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 to Illinois?
Departing from Glasgow to Illinois will take you 9h 55m. Airlines will cover a distance of 3663 mi. This flight may include one or multiple stops.
What are the most popular routes from Glasgow to Illinois?
While some choose either Glasgow Intl - Chicago Midway or Glasgow Intl - Lambert-St Louis, Glasgow Intl - Chicago O'Hare Intl is the most popular route from Glasgow to Illinois.
Can I find deals for flights from Glasgow to Illinois that include hotel bookings?
Yes. In addition to deals on Glasgow to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Glasgow to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow to Illinois.
Can I find deals for business class flights from Glasgow to Illinois?
Yes. Cheapflights offers flight deals from Glasgow 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 to Illinois?
Currently, February is the cheapest month in which you can book a flight from Glasgow to Illinois (average of £380). Flying from Glasgow to Illinois in July is currently the most expensive (average of £907). 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 to Illinois

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Top 6 airlines flying from Glasgow to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£201	Average£591	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£455	Average£557	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
JetBlue	Cheapest£506	Average£608	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£510	Average£730	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£607	Average£814	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£625	Average£921	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

How does Cheapflights help users find flights from Glasgow to Illinois?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Glasgow 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 to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Glasgow 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 to Illinois with no change fees?

Certainly. Search results for flights to Illinois from Glasgow 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 to Illinois become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Illinois from Glasgow today and book when prices fit your budget.

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Cheap flights from Glasgow to Illinois from £297

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow to Illinois

Cheapest flights from Glasgow to IllinoisExplore the most affordable flight options available from Glasgow to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Explore the most affordable flight options available from Glasgow to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Glasgow to IllinoisDiscover carefully curated flight deals from Glasgow to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Discover carefully curated flight deals from Glasgow to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Glasgow to IllinoisDiscover last-minute flight deals from Glasgow to Illinois. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Glasgow to Illinois. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Glasgow to IllinoisSearch for one-way flight options from Glasgow to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Search for one-way flight options from Glasgow to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Find flight deals from Glasgow to Illinois

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 to Illinois that are best for you.

Best time to book a flight from Glasgow to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Glasgow with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from Glasgow 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 1 September 2026.

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

Reviews of airlines servicing Illinois

Get a feel of what it's like to fly with Virgin Atlantic,Aer Lingus, andIcelandair from Glasgow to Illinois by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from Glasgow to Illinois?

What are the most popular routes from Glasgow to Illinois?

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

How can I find direct flights from Glasgow to Illinois?

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

What is the cheapest month to book a flight from Glasgow 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 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

Book a non-stop flight to one of these other cities located in United States.

Search flights from Glasgow to Illinois by cabin class

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

Glasgow and Illinois flights

Browse other Glasgow and Illinois flight options. Last updated on 1 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Glasgow to Illinois flights

Consider these flights travelling from Glasgow to Illinois.

Top 6 airlines flying from Glasgow to Illinois

Fly with Cheapflights

How does Cheapflights help users find flights from Glasgow to Illinois?

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

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

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

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Book with Flexibility

Travel Smart

Cheapest flights from Glasgow to Illinois
Explore the most affordable flight options available from Glasgow to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 September 2026.

Best flights from Glasgow to Illinois
Discover carefully curated flight deals from Glasgow to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 1 September 2026.

Last-minute flights from Glasgow to Illinois
Discover last-minute flight deals from Glasgow to Illinois. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Glasgow to Illinois
Search for one-way flight options from Glasgow to Illinois. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.