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 51% 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.

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

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

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 October 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.

£284 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.

07:45 - 17:20GLA-ORD

15h 35m2 stops

18:30 - 21:00ORD-GLA

20h 30m2 stops

£399Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

07:45 - 17:20GLA-ORD

15h 35m2 stops

18:30 - 21:00ORD-GLA

20h 30m2 stops

£399Multiple Airlines

Find Deal

Wed, 3 Dec - Wed, 10 Dec

08:20 - 17:55GLA-ORD

15h 35m1 stop

15:50 - 08:50ORD-GLA

11h 00m1 stop

£528Aer Lingus

Find Deal

Sat, 15 Nov - Sat, 22 Nov

12:35 - 17:20GLA-ORD

10h 45m1 stop

18:30 - 09:55ORD-GLA

9h 25m1 stop

£536Icelandair

Find Deal

Thu, 26 Feb - Mon, 2 Mar

12:35 - 17:20GLA-ORD

10h 45m1 stop

18:30 - 09:55ORD-GLA

9h 25m1 stop

£540Icelandair

Find Deal

Sat, 8 Nov - Mon, 24 Nov

17:20 - 14:20GLA-ORD

27h 00m1 stop

11:00 - 08:30ORD-GLA

15h 30m2 stops

£603KLM

Find Deal

Thu, 4 Dec - Tue, 9 Dec

06:05 - 16:22GLA-ORD

16h 17m2 stops

10:45 - 08:30ORD-GLA

15h 45m2 stops

£607KLM

Find Deal

Thu, 4 Dec - Tue, 9 Dec

11:40 - 23:37GLA-ORD

17h 57m2 stops

11:46 - 09:50ORD-GLA

16h 04m2 stops

£622British Airways

Find Deal

Tue, 18 Nov - Tue, 25 Nov

11:30 - 23:12GLA-STL

17h 42m2 stops

14:54 - 10:45STL-GLA

13h 51m2 stops

£652British Airways

Find Deal

Thu, 29 Jan - Sun, 1 Feb

12:00 - 17:55GLA-ORD

11h 55m1 stop

15:50 - 07:50ORD-GLA

10h 00m1 stop

£686Aer Lingus

Find Deal

Sat, 20 Dec - Sat, 27 Dec

Icelandair flights from Glasgow Intl Airport to Illinois

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

Icelandair

26 Feb

GLA12:35Glasgow Intl

10h 45m

1 stop

ORD17:20Chicago O'Hare Intl

2 Mar

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£536

Find similar

Icelandair

8 Nov

GLA12:35Glasgow Intl

10h 45m

1 stop

ORD17:20Chicago O'Hare Intl

24 Nov

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£540

Find similar

Icelandair

18 Nov

GLA12:35Glasgow Intl

10h 45m

1 stop

ORD17:20Chicago O'Hare Intl

25 Nov

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£544

Find similar

Delta flights from Glasgow Intl Airport to Illinois

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

Delta

3 Dec

GLA06:05Glasgow Intl

14h 15m

1 stop

ORD14:20Chicago O'Hare Intl

10 Dec

ORD10:36Chicago O'Hare Intl

15h 54m

2 stops

GLA08:30Glasgow Intl

£572

Find similar

Delta

3 Dec

GLA06:05Glasgow Intl

18h 13m

2 stops

MDW18:18Chicago Midway

10 Dec

MDW09:34Chicago Midway

16h 56m

2 stops

GLA08:30Glasgow Intl

£577

Find similar

Delta

4 Dec

GLA06:05Glasgow Intl

17h 55m

2 stops

MDW18:00Chicago Midway

11 Dec

MDW09:34Chicago Midway

16h 56m

2 stops

GLA08:30Glasgow Intl

£607

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

Wed 3/12

07:45-17:20

2 stops15h 35m

Chicago O'Hare Intl

Wed 10/12

18:30-21:00

2 stops20h 30m

£399

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 3/12

07:45-17:20

2 stops15h 35m

Chicago O'Hare Intl

Wed 10/12

18:30-21:00

2 stops20h 30m

£399

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 15/11

08:20-17:55

1 stop15h 35m

Chicago O'Hare Intl

Sat 22/11

15:50-08:50

1 stop11h 00m

£528

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 26/2

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 2/3

18:30-09:55

1 stop9h 25m

£536

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 8/11

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 24/11

18:30-09:55

1 stop9h 25m

£540

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 4/12

17:20-14:20

1 stop27h 00m

Chicago O'Hare Intl

Tue 9/12

11:00-08:30

2 stops15h 30m

£603

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 4/12

06:05-16:22

2 stops16h 17m

Chicago O'Hare Intl

Tue 9/12

10:45-08:30

2 stops15h 45m

£607

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 18/11

11:40-23:37

2 stops17h 57m

Chicago O'Hare Intl

Tue 25/11

11:46-09:50

2 stops16h 04m

£622

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Thu 29/1

11:30-23:12

2 stops17h 42m

Lambert-St Louis

Sun 1/2

14:54-10:45

2 stops13h 51m

£652

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Sat 20/12

12:00-17:55

1 stop11h 55m

Chicago O'Hare Intl

Sat 27/12

15:50-07:50

1 stop10h 00m

£686

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 £401. 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 £484.

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 £535. 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 £638. 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 £552. In the evening is when there is more demand to fly to Illinois, so prices are often more expensive at around £626 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 £558 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 £449 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

Direct flights	None

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 October 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 £379	Free Cancellation	Rating 6.7 7,461 reviews	Search British Airways flights
Aer Lingus	PriceFrom £428	Free Cancellation	Rating 7.2 1,348 reviews	Search Aer Lingus flights
Icelandair	PriceFrom £451	Free Cancellation	Rating 7.0 561 reviews	Search Icelandair flights
KLM	PriceFrom £471	Free Cancellation	Rating 7.7 1,404 reviews	Search KLM flights
Virgin Atlantic	PriceFrom £476	Free Cancellation	Rating 7.5 670 reviews	Search Virgin Atlantic 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.