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

WestJet, Finnair, and British Airways are the most popular carriers operating from Glasgow Intl to Illinois

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

As of August 2026, there are 2 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.

£289 Cheap Flights from Glasgow Intl Airport to Illinois in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Glasgow Intl Airport to Illinois

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

11:55 - 18:20GLA Glasgow Intl-ORD Chicago O'Hare Intl

11h 25m1 stop Reykjavik Keflavik Intl

18:30 - 09:55ORD Chicago O'Hare Intl-GLA Glasgow Intl

9h 25m1 stop Reykjavik Keflavik Intl

£425Icelandair

Thu, 29 Oct - Tue, 3 Nov

07:45 - 18:15GLA Glasgow Intl-ORD Chicago O'Hare Intl

16h 30m2 stops Dublin Reykjavik Keflavik Intl

19:25 - 15:40ORD Chicago O'Hare Intl-GLA Glasgow Intl

14h 15m2 stops Reykjavik Keflavik Intl Dublin

£464Multiple Airlines

Wed, 2 Sep - Mon, 7 Sep

07:45 - 18:15GLA Glasgow Intl-ORD Chicago O'Hare Intl

16h 30m2 stops Dublin Reykjavik Keflavik Intl

19:25 - 20:15ORD Chicago O'Hare Intl-GLA Glasgow Intl

18h 50m2 stops Reykjavik Keflavik Intl Dublin

£469Multiple Airlines

Wed, 2 Sep - Mon, 7 Sep

07:30 - 14:00GLA Glasgow Intl-ORD Chicago O'Hare Intl

12h 30m1 stop Dublin

15:45 - 08:55ORD Chicago O'Hare Intl-GLA Glasgow Intl

11h 10m1 stop Dublin

£471Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

08:20 - 18:25GLA Glasgow Intl-ORD Chicago O'Hare Intl

16h 05m1 stop Dublin

15:55 - 15:25ORD Chicago O'Hare Intl-GLA Glasgow Intl

17h 30m1 stop Dublin

£523Aer Lingus

Wed, 4 Nov - Mon, 9 Nov

14:20 - 18:15GLA Glasgow Intl-ORD Chicago O'Hare Intl

9h 55m1 stop Reykjavik Keflavik Intl

19:25 - 13:25ORD Chicago O'Hare Intl-GLA Glasgow Intl

12h 00m1 stop Reykjavik Keflavik Intl

£539Icelandair

Fri, 2 Oct - Mon, 19 Oct

14:20 - 21:25GLA Glasgow Intl-ORD Chicago O'Hare Intl

13h 05m1 stop Reykjavik Keflavik Intl

19:25 - 13:25ORD Chicago O'Hare Intl-GLA Glasgow Intl

12h 00m1 stop Reykjavik Keflavik Intl

£546Icelandair

Tue, 8 Sep - Thu, 17 Sep

14:20 - 18:15GLA Glasgow Intl-ORD Chicago O'Hare Intl

9h 55m1 stop Reykjavik Keflavik Intl

22:25 - 13:25ORD Chicago O'Hare Intl-GLA Glasgow Intl

9h 00m1 stop Reykjavik Keflavik Intl

£546Icelandair

Thu, 10 Sep - Sun, 20 Sep

13:20 - 19:15GLA Glasgow Intl-ORD Chicago O'Hare Intl

11h 55m1 stop Dublin

21:00 - 15:25ORD Chicago O'Hare Intl-GLA Glasgow Intl

12h 25m1 stop Dublin

£561Aer Lingus

Wed, 2 Sep - Mon, 7 Sep

08:35 - 19:15GLA Glasgow Intl-ORD Chicago O'Hare Intl

16h 40m1 stop Dublin

15:45 - 08:05ORD Chicago O'Hare Intl-GLA Glasgow Intl

10h 20m1 stop Dublin

£583Aer Lingus

Thu, 10 Sep - Wed, 16 Sep

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Icelandair flights from Glasgow Intl Airport to Illinois

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

Icelandair

29 Oct

GLA11:55Glasgow Intl

11h 25m

1 stop

ORD18:20Chicago O'Hare Intl

3 Nov

ORD18:30Chicago O'Hare Intl

9h 25m

1 stop

GLA09:55Glasgow Intl

£425

Icelandair

2 Oct

GLA14:20Glasgow Intl

9h 55m

1 stop

ORD18:15Chicago O'Hare Intl

19 Oct

ORD19:25Chicago O'Hare Intl

12h 00m

1 stop

GLA13:25Glasgow Intl

£539

Icelandair

24 Aug

GLA14:35Glasgow Intl

12h 50m

1 stop

ORD21:25Chicago O'Hare Intl

22 Sept

ORD19:25Chicago O'Hare Intl

12h 00m

1 stop

GLA13:25Glasgow Intl

£561

Aer Lingus flights from Glasgow Intl Airport to Illinois

Our best Aer Lingus deals on Glasgow Intl Airport to Illinois flight tickets

Aer Lingus

4 Nov

GLA08:20Glasgow Intl

16h 05m

1 stop

ORD18:25Chicago O'Hare Intl

9 Nov

ORD15:55Chicago O'Hare Intl

17h 30m

1 stop

GLA15:25Glasgow Intl

£523

Aer Lingus

10 Sept

GLA08:35Glasgow Intl

16h 40m

1 stop

ORD19:15Chicago O'Hare Intl

16 Sept

ORD15:45Chicago O'Hare Intl

10h 20m

1 stop

GLA08:05Glasgow Intl

£583

Aer Lingus

26 Aug

GLA13:20Glasgow Intl

11h 55m

1 stop

ORD19:15Chicago O'Hare Intl

5 Sept

ORD06:40Chicago O'Hare Intl

24h 10m

2 stops

GLA12:50Glasgow Intl

£845

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

Cheapest return flight

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Thu 29/10

11:55-18:20

1 stop11h 25m

Chicago O'Hare Intl

Tue 3/11

18:30-09:55

1 stop9h 25m

£425

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 2/9

07:45-18:15

2 stops16h 30m

Chicago O'Hare Intl

Mon 7/9

19:25-15:40

2 stops14h 15m

£464

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 2/9

07:45-18:15

2 stops16h 30m

Chicago O'Hare Intl

Mon 7/9

19:25-20:15

2 stops18h 50m

£469

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Sun 27/9

07:30-14:00

1 stop12h 30m

Chicago O'Hare Intl

Sun 4/10

15:45-08:55

1 stop11h 10m

£471

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 4/11

08:20-18:25

1 stop16h 05m

Chicago O'Hare Intl

Mon 9/11

15:55-15:25

1 stop17h 30m

£523

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Fri 2/10

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Mon 19/10

19:25-13:25

1 stop12h 00m

£539

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Tue 8/9

14:20-21:25

1 stop13h 05m

Chicago O'Hare Intl

Thu 17/9

19:25-13:25

1 stop12h 00m

£546

Fastest return journey

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Thu 10/9

14:20-18:15

1 stop9h 55m

Chicago O'Hare Intl

Sun 20/9

22:25-13:25

1 stop9h 00m

£546

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Wed 2/9

13:20-19:15

1 stop11h 55m

Chicago O'Hare Intl

Mon 7/9

21:00-15:25

1 stop12h 25m

£561

GlasgowChicago

GLA Glasgow Intl - ORD Chicago O'Hare Intl

GLAORD

Glasgow Intl

Thu 10/9

08:35-19:15

1 stop16h 40m

Chicago O'Hare Intl

Wed 16/9

15:45-08:05

1 stop10h 20m

£583

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 £382. 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 £525.

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	9h 55m
Direct flights	None

The fastest flight from Glasgow Intl Airport to Illinois takes 9h 55m

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

Frequently asked questions about flying from Glasgow Intl Airport 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 August 2026, there are 2 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
Icelandair	PriceFrom £448	Free Cancellation	Rating 6.9 732 reviews		Search Icelandair flights
Aer Lingus	PriceFrom £582	Free Cancellation	Rating 7.3 1,701 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.