How long is the flight from Glasgow to Illinois?

Departing from Glasgow to Illinois will take you 13h 05m. 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.

£134+ 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 26 August 2026.

Mon 5/1007:10 -

1 stop12h 50m

Mon 12/1021:00 -

1 stop12h 40m

Deal found 21/8£359

Wed 14/1007:45 -

1 stop12h 15m

Sun 18/1015:45 -

1 stop11h 10m

Deal found 25/8£485

Thu 15/1009:05 -

1 stop16h 10m

Wed 28/1016:55 -

1 stop11h 05m

Deal found 22/8£488

Fri 18/908:35 -

1 stop16h 40m

Fri 25/915:45 -

1 stop15h 50m

Deal found 21/8£538

Wed 21/1014:20 -

1 stop9h 55m

Wed 28/1019:30 -

1 stop9h 25m

Deal found 25/8£543

Fri 2/1014:20 -

1 stop9h 55m

Mon 19/1019:25 -

1 stop12h 00m

Deal found 23/8£546

Thu 15/1014:20 -

1 stop9h 55m

Wed 28/1019:30 -

1 stop9h 25m

Deal found 24/8£546

Wed 21/1020:10 -

2 stops24h 15m

Wed 28/1019:30 -

1 stop9h 25m

Deal found 25/8£573

Wed 16/911:00 -

1 stop30h 00m

Wed 23/915:20 -

2 stops34h 45m

Deal found 22/8£598

Mon 5/1006:00 -

2 stops18h 33m

Mon 12/1018:44 -

2 stops15h 26m

Deal found 21/8£644

Thu 15/1006:00 -

2 stops18h 00m

Wed 28/1010:01 -

2 stops17h 29m

Deal found 24/8£644

Fri 2/1006:00 -

2 stops18h 19m

Mon 19/1012:27 -

2 stops13h 58m

Deal found 22/8£645

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 26 August 2026.

Mon 5/1007:10 -

1 stop12h 50m

Mon 12/1021:00 -

1 stop12h 40m

Deal found 21/8£359

Fri 2/1014:20 -

1 stop13h 05m

Mon 19/1019:25 -

1 stop12h 00m

Deal found 21/8£549

Fri 2/1006:00 -

1 stop14h 15m

Mon 19/1015:05 -

2 stops15h 50m

Deal found 24/8£641

Sat 21/1110:45 -

2 stops16h 06m

Sun 29/1119:18 -

2 stops15h 12m

Deal found 21/8£772

Thu 21/112:40 -

2 stops17h 18m

Mon 25/111:31 -

2 stops16h 34m

Deal found 25/8£782

Thu 8/1014:00 -

2 stops26h 12m

Thu 15/1014:28 -

2 stops13h 42m

Deal found 24/8£981

Wed 16/911:00 -

1 stop30h 00m

Wed 23/915:20 -

2 stops34h 45m

Deal found 22/8£598

Wed 16/906:00 -

1 stop14h 30m

Wed 23/907:35 -

2 stops18h 50m

Deal found 23/8£641

Sat 26/1221:30 -

1 stop22h 40m

Sun 3/118:30 -

1 stop9h 25m

Deal found 25/8£643

Mon 5/1006:00 -

2 stops18h 28m

Mon 12/1017:29 -

2 stops16h 41m

Deal found 21/8£644

Wed 16/906:00 -

2 stops18h 33m

Wed 23/919:01 -

2 stops15h 09m

Deal found 23/8£644

Wed 14/1006:00 -

2 stops18h 00m

Sat 7/1109:29 -

2 stops18h 36m

Deal found 23/8£644

Tue 17/1107:10 -

2 stops17h 07m

Mon 30/1110:21 -

2 stops17h 29m

Deal found 21/8£713

Wed 21/1006:00 -

2 stops16h 47m

Wed 28/1009:29 -

2 stops18h 01m

Deal found 25/8£644

Wed 14/1006:00 -

2 stops16h 47m

Sun 18/1013:27 -

2 stops12h 58m

Deal found 25/8£644

Thu 15/1006:00 -

2 stops18h 00m

Wed 28/1010:01 -

2 stops17h 29m

Deal found 22/8£644

Fri 2/1006:00 -

2 stops18h 19m

Mon 19/1018:44 -

2 stops15h 26m

Deal found 24/8£644

Fri 9/1006:50 -

3 stops43h 30m

Fri 16/1014:40 -

2 stops16h 55m

Deal found 24/8£1,022

Wed 7/1006:00 -

2 stops16h 47m

Wed 14/1013:27 -

2 stops20h 43m

Deal found 23/8£644

Sat 21/1117:15 -

3 stops28h 11m

Sun 29/1115:40 -

2 stops25h 15m

Deal found 21/8£1,691

Find flight deals from Glasgow to Illinois

Round-trip from	£359
One-way from	£134
Popular in	July
Cheapest in	February
Average price	£730

5/10-12/10
2 total stops
25h 30m total
Glasgow to Illinois

Search Deals

21/10
1 total stop
21h 25m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£120 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£20 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 5/10

07:10-14:00

1 stop12h 50m

Chicago O'Hare Intl

Mon 12/10

21:00-15:40

1 stop12h 40m

£359

Fastest return journey

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Fri 2/10

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Mon 19/10

19:25-13:25

1 stop12h 00m

£549

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Wed 16/9

11:00-11:00

1 stop30h 00m

Chicago Midway

Wed 23/9

15:20-08:05

2 stops34h 45m

£598

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Fri 2/10

06:00-14:15

1 stop14h 15m

Chicago O'Hare Intl

Mon 19/10

15:05-12:55

2 stops15h 50m

£641

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

£641

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sat 26/12

21:30-14:10

1 stop22h 40m

Chicago O'Hare Intl

Sun 3/1

18:30-09:55

1 stop9h 25m

£643

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Mon 5/10

06:00-18:28

2 stops18h 28m

Chicago O'Hare Intl

Mon 12/10

17:29-16:10

2 stops16h 41m

£644

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

£644

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Wed 14/10

06:00-18:00

2 stops18h 00m

Chicago Midway

Sat 7/11

09:29-10:05

2 stops18h 36m

£644

GlasgowChicago

GLA Glasgow Intl - MDW Chicago Midway

GLAMDW

Glasgow Intl

Wed 21/10

06:00-16:47

2 stops16h 47m

Chicago Midway

Wed 28/10

09:29-08:30

2 stops18h 01m

£644

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 36 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-MDW

GLA-STL

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-MDW

GLA-STL

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 £378). Flying from Glasgow to Illinois in July is currently the most expensive (average of £901). 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

1,728 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

8,194 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 13h 05m. 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 £378). Flying from Glasgow to Illinois in July is currently the most expensive (average of £901). 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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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£200	Average£579	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£451	Average£553	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
JetBlue	Cheapest£503	Average£604	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£507	Average£724	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£603	Average£809	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£621	Average£915	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 £134

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 26 August 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 26 August 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 26 August 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 26 August 2026.

Last-minute flights from Glasgow to IllinoisDiscover last-minute flight deals from Glasgow to Illinois. Data last updated 26 August 2026 and is based on user searches.

Discover last-minute flight deals from Glasgow to Illinois. Data last updated 26 August 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 26 August 2026.

Search for one-way flight options from Glasgow to Illinois. Find affordable one-way fares based on user searches. Data last updated 26 August 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 26 August 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 26 August 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 26 August 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 26 August 2026.

Last-minute flights from Glasgow to Illinois
Discover last-minute flight deals from Glasgow to Illinois. Data last updated 26 August 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 26 August 2026.