Find flights
When to book
Airlines
FAQs

Cheap flights from Glasgow to Illinois from £328

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 15/12. Fares are subject to change and may not be available on all flights or dates of travel.
GLA — ORD
21 Dec — 28 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Glasgow to Illinois

Keep the following information in mind while searching for Glasgow to Illinois flight deals. Data was last updated 21 November 2025.

Round-trip from

£507

One-way from

£328

Popular in

December

Cheapest in

February

Average price

£492
Icelandair
  • Icelandair
  • 26/1-16/2
  • 2 total stops
  • 20h 10m total
  • Glasgow to Illinois
Search Deals
15/12
  • 15/12
  • 3 total stops
  • 45h 25m total
  • Glasgow to Illinois
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (£27 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Glasgow to Illinois

Enter your travel dates to find the best prices.

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 21 November 2025.

Thu 4/1212:35GLA - ORD
1 stop10h 45mIcelandair
Mon 8/1218:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 20/11£513
Wed 3/1208:20GLA - ORD
1 stop11h 40mAer Lingus
Wed 10/1219:40ORD - GLA
1 stop18h 00mAer Lingus
Deal found 19/11£545
Wed 3/1207:45GLA - ORD
1 stop12h 15mMultiple Airlines
Thu 11/1215:50ORD - GLA
1 stop10h 05mMultiple Airlines
Deal found 19/11£597
Wed 3/1205:55GLA - ORD
1 stop17h 05mAmerican Airlines
Tue 9/1213:17ORD - GLA
2 stops14h 33mAmerican Airlines
Deal found 19/11£617
Sat 27/1209:30GLA - ORD
1 stop14h 25mMultiple Airlines
Sun 4/119:40ORD - GLA
1 stop12h 30mMultiple Airlines
Deal found 19/11£635
Thu 20/1112:35GLA - ORD
1 stop10h 45mIcelandair
Wed 26/1118:30ORD - GLA
1 stop9h 25mIcelandair
Deal found 19/11£665
Wed 3/1209:05GLA - ORD
2 stops17h 30mDelta
Wed 10/1210:36ORD - GLA
2 stops15h 54mDelta
Deal found 19/11£679
Sat 20/1222:30GLA - ORD
2 stops22h 15mMultiple Airlines
Sun 4/120:25ORD - GLA
2 stops17h 40mMultiple Airlines
Deal found 19/11£700
Wed 3/1206:05GLA - MDW
2 stops18h 13mKLM
Wed 10/1213:50MDW - GLA
2 stops16h 55mKLM
Deal found 19/11£708
Sat 27/1212:00GLA - ORD
1 stop11h 55mAer Lingus
Sat 3/119:40ORD - GLA
1 stop14h 20mAer Lingus
Deal found 19/11£731
Thu 18/1213:25GLA - MDW
2 stops16h 22mKLM
Thu 25/1211:48MDW - GLA
2 stops14h 42mKLM
Deal found 18/11£933
Wed 17/1206:05GLA - MDW
2 stops18h 13mDelta
Tue 30/1209:29MDW - GLA
2 stops21h 16mDelta
Deal found 19/11£949

Cheapflights Fare Finder

 
Customise your flight search to find flights from Glasgow to Illinois that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
Use the filters below to find and compare flights from Glasgow to Illinois that are best for you.

Fly from

Glasgow

Fly to

Illinois

Route

Depart

Return

Price

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 26/1

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 16/2

18:30-09:55

1 stop9h 25m

£507

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 4/12

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

Mon 8/12

18:30-09:55

1 stop9h 25m

£513

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 26/1

06:05-14:20

1 stop14h 15m

Chicago O'Hare Intl

Mon 16/2

08:52-09:55

2 stops19h 03m

£581

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 3/12

07:45-14:00

1 stop12h 15m

Chicago O'Hare Intl

Thu 11/12

15:50-07:55

1 stop10h 05m

£597

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Tue 10/2

11:40-23:12

2 stops17h 32m

Lambert-St Louis

Mon 16/2

14:00-10:45

2 stops14h 45m

£599

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Fri 17/4

14:20-21:40

1 stop13h 20m

Chicago O'Hare Intl

Fri 24/4

19:25-13:25

1 stop12h 00m

£599

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

Mon 9/2

09:45-21:15

2 stops17h 30m

Lambert-St Louis

Mon 16/2

18:33-16:35

2 stops16h 02m

£615

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 3/12

05:55-17:00

1 stop17h 05m

Chicago O'Hare Intl

Tue 9/12

13:17-09:50

2 stops14h 33m

£617

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 3/12

10:55-17:00

1 stop12h 05m

Chicago O'Hare Intl

Thu 11/12

11:47-09:30

2 stops15h 43m

£617

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 26/1

14:35-13:50

2 stops29h 15m

Chicago O'Hare Intl

Mon 16/2

16:47-20:05

3 stops21h 18m

£635

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 37 results
1
2
3
4

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.
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

What is the cheapest month to book a flight from Glasgow to Illinois?

Currently, January is the cheapest month in which you can book a flight from Glasgow to Illinois (average of £294). Flying from Glasgow to Illinois in June is currently the most expensive (average of £506). 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?

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 21 November 2025.

It’s typically best to fly out from Glasgow to Illinois in the afternoon. Doing so could potentially save you 36% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Illinois. Reviews last updated 21 November 2025.
Get a feel of what it's like to fly with KLM, Virgin Atlantic, andAer Lingus 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.
KLM
7.7
Good
1,414 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,414 reviews
KLM
7.7
Good
1,414 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Virgin Atlantic
7.5
Good
674 reviews
KLM
7.7
Good
1,414 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Aer Lingus
7.2
Good
1,377 reviews
KLM
7.7
Good
1,414 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
Icelandair
7.0
Good
581 reviews
KLM
7.7
Good
1,414 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,533 reviews
KLM
7.7
Good
1,414 reviews
Check prices

Food

7.3

Boarding

7.8

Comfort

7.7

Entertainment

7.1

Overall

7.7

Crew

8.4

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

Related info for your journey

Find useful and relevant information for your journey from Glasgow to Illinois. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Glasgow to Illinois?

    Departing from Glasgow to Illinois will take you 10h 45m. 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 - Moline Quad-City, 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, January is the cheapest month in which you can book a flight from Glasgow to Illinois (average of £294). Flying from Glasgow to Illinois in June is currently the most expensive (average of £506). 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

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.
Edinburgh to Newark flights
Edinburgh to John F Kennedy Intl flights
Edinburgh to LaGuardia flights
Edinburgh to Orlando flights
Glasgow Intl to John F Kennedy Intl flights
Edinburgh to Dulles Intl flights
Glasgow Intl to Orlando flights
Glasgow Intl to Newark flights
Glasgow Intl to O'Hare Intl flights
Edinburgh to O'Hare Intl flights
Glasgow Intl to LaGuardia flights
Edinburgh to Boston flights
Edinburgh to Fort Myers flights
Edinburgh to San Francisco flights
Edinburgh to Baltimore flights
Edinburgh to Reagan-National flights
Glasgow Intl to Los Angeles flights
Glasgow Intl to Midway flights
Edinburgh to Miami flights
Glasgow Intl to Boston flights
Glasgow Intl to Miami flights
Edinburgh to Los Angeles flights
Aberdeen to Orlando flights
Edinburgh to Midway flights
Glasgow Intl to Dallas/Fort Worth flights
Edinburgh to Denver flights
Edinburgh to Dallas/Fort Worth flights
Edinburgh to Hobby flights
Edinburgh to Raleigh flights
Glasgow Intl to Dulles Intl flights
Glasgow Intl to San Diego flights
Inverness to Newark flights
Inverness to LaGuardia flights
Edinburgh to Sky Harbor Intl flights
Edinburgh to Tampa flights
Glasgow Intl to Raleigh flights
Edinburgh to Atlanta flights
Edinburgh to Philadelphia flights
Glasgow Intl to Philadelphia flights
Inverness to John F Kennedy Intl flights
Edinburgh to Charlotte flights
Glasgow Intl to Charlotte flights
Glasgow Intl to Honolulu flights
Glasgow Intl to Hobby flights
Aberdeen to LaGuardia flights
Edinburgh to George Bush Intcntl flights
Glasgow Intl to Seattle flights
Aberdeen to Newark flights
Aberdeen to Hobby flights
Aberdeen to John F Kennedy Intl flights

Top 7 airlines flying from Glasgow to Illinois

Discover the top 7 airlines that operate flights from Glasgow to Illinois. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 21 November 2025.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£371Average£579FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£389Average£497FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IcelandairCheapest£403Average£654FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
KLMCheapest£471Average£532FlexibilityNo cancel feeOn-time75%
Search KLM flights
Aer LingusCheapest£504Average£682FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
LufthansaCheapest£527Average£704FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£532Average£665FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.