Find Cheap Flights from Glasgow to Illinois | Cheapflights

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Find flight deals from Glasgow to Illinois

Popular in	July
Cheapest in	February
Average price	£639

Highest demand for flights based on searches. 21% potential increase in price (£124 potential increase over avg. return price).

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Average for round-trip flights in September 2026

Cheapflights Insights

Everything you need to know about your flight from Glasgow to Illinois

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 £386). Flying from Glasgow to Illinois in July is currently the most expensive (average of £917). 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

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

Virgin Atlantic

7.4

Good

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

7.3

Good

Virgin Atlantic

7.4

Good

Reviews

1 / 20

10.0

Excellent

Edwin,May 2026

LHR - LAX

First time flying with Virgin. It was everything I hoped it would be.

6.9

Okay

Virgin Atlantic

7.4

Good

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

Virgin Atlantic

7.4

Good

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

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 £386). Flying from Glasgow to Illinois in July is currently the most expensive (average of £917). 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.

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Top 6 airlines flying from Glasgow to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£204	Average£617	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£496	Average£574	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
JetBlue	Cheapest£514	Average£616	FlexibilityNo cancel fee	On-time62%	Search JetBlue flights
Aer Lingus	Cheapest£519	Average£756	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
United Airlines	Cheapest£615	Average£834	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
Lufthansa	Cheapest£641	Average£870	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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