What is the cheapest airline that flies from Glasgow Intl to Illinois?

Icelandair, British Airways, and Lufthansa are the most popular carriers operating from Glasgow Intl to Illinois

Which airlines fly to Illinois?

British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to Illinois from Glasgow Intl Airport according to our data. British Airways is the first choice among our users, with 52% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 5 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Glasgow Intl Airport to Illinois?

Prices for flights from Glasgow Intl Airport to Illinois refresh daily.

How many operators does momondo search for flights from Glasgow Intl Airport to Illinois?

As of December 2025, there are 5 operators available to choose from for flights from Glasgow Intl Airport to Illinois.

How old do you have to be to fly from Glasgow Intl Airport to Illinois?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Illinois.

What documentation or ID do you need to fly to Illinois?

The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£354 Cheap Flights from Glasgow Intl Airport to Illinois in 2025/26

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Find the cheapest flights from Glasgow Intl Airport to Illinois

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:20 - 16:45

GLA

ORD

15h 25m2 stops

19:20 - 21:50

ORD

GLA

20h 30m2 stops

£436Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

08:25 - 17:20

GLA

ORD

14h 55m2 stops

18:30 - 20:00

ORD

GLA

19h 30m2 stops

£482Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

12:35 - 17:20

GLA

ORD

10h 45m1 stop

18:30 - 09:55

ORD

GLA

9h 25m1 stop

£484Icelandair

Fri, 30 Jan - Fri, 6 Feb

12:00 - 19:15

GLA

ORD

13h 15m1 stop

18:48 - 14:30

ORD

GLA

37h 42m2 stops

£488British Airways

Wed, 25 Feb - Sun, 1 Mar

08:35 - 22:42

GLA

ORD

44h 07m3 stops

18:30 - 20:00

ORD

GLA

19h 30m3 stops

£499Multiple Airlines

Fri, 30 Jan - Fri, 6 Feb

12:35 - 17:20

GLA

ORD

10h 45m1 stop

18:30 - 09:55

ORD

GLA

9h 25m1 stop

£512Icelandair

Sat, 31 Jan - Sat, 7 Feb

12:00 - 19:15

GLA

ORD

13h 15m1 stop

21:45 - 16:40

ORD

GLA

12h 55m1 stop

£514British Airways

Wed, 25 Feb - Sun, 1 Mar

06:05 - 16:16

GLA

MDW

16h 11m2 stops

13:26 - 09:55

MDW

GLA

14h 29m2 stops

£644KLM

Sat, 31 Jan - Sat, 7 Feb

09:10 - 18:05

GLA

MDW

14h 55m2 stops

13:00 - 09:40

MDW

GLA

14h 40m2 stops

£654KLM

Fri, 17 Apr - Fri, 24 Apr

10:20 - 20:02

GLA

STL

15h 42m2 stops

18:15 - 14:55

STL

GLA

14h 40m2 stops

£754American Airlines

Sat, 30 May - Sat, 18 Jul

Icelandair flights from Glasgow Intl Airport to Illinois

Our best Icelandair deals on Glasgow Intl Airport to Illinois flight tickets

Icelandair

30 Jan

GLA12:35Glasgow Intl

10h 45m

1 stop

ORD17:20Chicago O'Hare Intl

6 Feb

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£484

Find similar

Icelandair

31 Jan

GLA12:35Glasgow Intl

10h 45m

1 stop

ORD17:20Chicago O'Hare Intl

7 Feb

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£512

Find similar

Icelandair

22 Jan

GLA11:15Glasgow Intl

12h 05m

1 stop

ORD17:20Chicago O'Hare Intl

28 Jan

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£514

Find similar

British Airways flights from Glasgow Intl Airport to Illinois

Our best British Airways deals on Glasgow Intl Airport to Illinois flight tickets

British Airways

25 Feb

GLA12:00Glasgow Intl

13h 15m

1 stop

ORD19:15Chicago O'Hare Intl

1 Mar

ORD18:48Chicago O'Hare Intl

37h 42m

2 stops

GLA14:30Glasgow Intl

£488

Find similar

British Airways

25 Feb

GLA12:00Glasgow Intl

13h 15m

1 stop

ORD19:15Chicago O'Hare Intl

1 Mar

ORD21:45Chicago O'Hare Intl

12h 55m

1 stop

GLA16:40Glasgow Intl

£514

Find similar

British Airways

23 Jan

GLA09:40Glasgow Intl

13h 20m

1 stop

ORD17:00Chicago O'Hare Intl

26 Jan

ORD13:35Chicago O'Hare Intl

18h 55m

2 stops

GLA14:30Glasgow Intl

£517

Find similar

momondo 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

Sat 31/1

07:20-16:45

2 stops15h 25m

Chicago O'Hare Intl

Sat 7/2

19:20-21:50

2 stops20h 30m

£436

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 30/1

08:25-17:20

2 stops14h 55m

Chicago O'Hare Intl

Fri 6/2

18:30-20:00

2 stops19h 30m

£482

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 30/1

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Fri 6/2

18:30-09:55

1 stop9h 25m

£484

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 25/2

12:00-19:15

1 stop13h 15m

Chicago O'Hare Intl

Sun 1/3

18:48-14:30

2 stops37h 42m

£488

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 30/1

08:35-22:42

3 stops44h 07m

Chicago O'Hare Intl

Fri 6/2

18:30-20:00

3 stops19h 30m

£499

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 31/1

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Sat 7/2

18:30-09:55

1 stop9h 25m

£512

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 25/2

12:00-19:15

1 stop13h 15m

Chicago O'Hare Intl

Sun 1/3

21:45-16:40

1 stop12h 55m

£514

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Sat 31/1

06:05-16:16

2 stops16h 11m

Chicago Midway

Sat 7/2

13:26-09:55

2 stops14h 29m

£644

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Fri 17/4

09:10-18:05

2 stops14h 55m

Chicago Midway

Fri 24/4

13:00-09:40

2 stops14h 40m

£654

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Sat 30/5

10:20-20:02

2 stops15h 42m

Lambert-St Louis

Sat 18/7

18:15-14:55

2 stops14h 40m

£754

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Glasgow Intl Airport to Illinois

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Illinois?

The month of February is, on average, the cheapest month to fly to Illinois from Glasgow Intl Airport, with most prices found around £416. If you aren’t able to travel to Illinois during the month of February, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £485.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart on your flight to Illinois is on a Wednesday when prices can be found for as low as £537. This is often the case because there is less demand to fly during this day of the week. Flights from Glasgow Intl Airport to Illinois on a Sunday will generally be more expensive and average around £640. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our data shows that the cheapest Glasgow Intl Airport to Illinois flights are usually those with departure times in the morning. Our users have found flights to Illinois in the morning for as low as £554. In the evening is when there is more demand to fly to Illinois, so prices are often more expensive at around £628 per ticket.

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around £579 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Glasgow Intl Airport for as low as £462 on momondo.

Cheap Glasgow Intl Airport to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to Illinois

Fastest flight time	12h 05m
Direct flights	None

The fastest flight from Glasgow Intl Airport to Illinois takes 12h 05m

There are no direct flights from Glasgow Intl Airport to Illinois. There are no popular flight routes from Glasgow Intl Airport to Illinois.

Search flight deals

When did momondo last update prices for flights from Glasgow Intl Airport to Illinois?
Prices for flights from Glasgow Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Glasgow Intl Airport to Illinois?
As of December 2025, there are 5 operators available to choose from for flights from Glasgow Intl Airport to Illinois.
How old do you have to be to fly from Glasgow Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Glasgow Intl Airport to Illinois

Compare and see reviews for airlines that fly from Glasgow Intl Airport to Illinois with momondo

Airline	Rating	Free Cancellation	Price
British Airways	PriceFrom £380	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Icelandair	PriceFrom £456	Free Cancellation	Rating 7.0 591 reviews	Search Icelandair flights
KLM	PriceFrom £473	Free Cancellation	Rating 7.7 1,428 reviews	Search KLM flights
Virgin Atlantic	PriceFrom £477	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Aer Lingus	PriceFrom £524	Free Cancellation	Rating 7.2 1,399 reviews	Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from Glasgow to Illinois?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Glasgow to Illinois for you.

Can I find flights from Glasgow to Illinois with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Glasgow to Illinois flights to just show those with flexible booking policies.

How can momondo help me find flights from Glasgow to Illinois?

Once all potential Glasgow to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Glasgow to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Glasgow to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.