Cheap flights from Illinois to Glasgow Intl Airport from £188

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 15/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GLA
4 Feb — 11 Feb1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Illinois to Glasgow Intl

Enter your travel dates to find the best prices.

Cheapest flights from Illinois to Glasgow Intl
Explore the most affordable flight options available from Illinois to Glasgow Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 January 2026.

Wed 11/319:30ORD - GLA
1 stop9h 25mIcelandair
Wed 18/312:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 4/1£353
Wed 4/218:30ORD - GLA
1 stop9h 25mIcelandair
Wed 11/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 5/1£361
Tue 3/218:30ORD - GLA
1 stop9h 25mIcelandair
Sat 7/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 5/1£366
Fri 30/118:30ORD - GLA
1 stop9h 25mIcelandair
Sun 1/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 5/1£374
Tue 7/419:25ORD - GLA
1 stop12h 00mIcelandair
Tue 14/414:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 4/1£378
Tue 7/419:25ORD - GLA
1 stop12h 00mIcelandair
Thu 16/414:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 3/1£381
Sun 26/419:25ORD - GLA
1 stop12h 00mIcelandair
Sat 9/514:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 5/1£384
Tue 24/319:30ORD - GLA
1 stop9h 25mIcelandair
Tue 31/314:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 5/1£384
Tue 20/118:30ORD - GLA
1 stop9h 25mIcelandair
Mon 26/112:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 4/1£386
Wed 18/218:30ORD - GLA
1 stop9h 25mIcelandair
Mon 23/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 5/1£388
Wed 18/218:30ORD - GLA
1 stop9h 25mIcelandair
Wed 25/212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 4/1£396
Sun 5/422:25ORD - GLA
1 stop9h 00mIcelandair
Thu 16/414:20GLA - ORD
1 stop9h 55mIcelandair
Deal found 3/1£398

Find flight deals from Illinois to Glasgow Intl

Keep the following information in mind while searching for Illinois to Glasgow Intl flight deals. Data was last updated 5 January 2026.

Round-trip from

£353

One-way from

£188

Popular in

December

Cheapest in

February

Average price

£508
Icelandair
  • Icelandair
  • 14/2-21/2
  • 2 total stops
  • 20h 10m total
  • Illinois to Glasgow
15/2
  • 15/2
  • 2 total stops
  • 22h 00m total
  • Illinois to Glasgow
Highest demand for flights based on searches. 11% potential increase in price (£53 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£26 potential savings vs. average return price).
Average for round-trip flights in January 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from Illinois to Glasgow Intl 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 5 January 2026.
Use the filters below to find and compare flights from Illinois to Glasgow Intl Airport that are best for you.

Fly from

Illinois

Fly to

Glasgow Intl

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 8/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Fri 17/4

14:20-21:25

1 stop13h 05m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 9/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Fri 17/4

14:20-18:15

1 stop9h 55m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 8/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Mon 13/4

14:20-18:15

1 stop9h 55m

£398

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 6/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Tue 14/4

14:20-18:15

1 stop9h 55m

£398

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Thu 19/2

14:00-09:30

2 stops13h 30m

Glasgow Intl

Thu 26/2

11:30-22:58

2 stops17h 28m

£451

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 17/2

14:21-09:50

2 stops13h 29m

Glasgow Intl

Tue 24/2

12:45-23:48

2 stops17h 03m

£451

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sat 7/2

09:59-09:55

2 stops17h 56m

Glasgow Intl

Wed 18/3

06:05-17:53

2 stops16h 48m

£472

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Fri 6/2

06:00-09:55

2 stops21h 55m

Glasgow Intl

Mon 16/3

06:05-16:32

2 stops15h 27m

£472

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Fri 6/2

18:57-16:35

2 stops15h 38m

Glasgow Intl

Mon 23/3

13:25-17:53

2 stops33h 28m

£472

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Mon 9/2

09:59-09:55

2 stops17h 56m

Glasgow Intl

Tue 17/3

06:05-20:42

2 stops19h 37m

£472

Flights are sorted by cheapest return flights first.

Deals found on 5/1

Showing 1-10 of 49 results
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Best time to book a flight from Illinois to Glasgow Intl

Have a flexible travel schedule? Discover the best time to fly to Glasgow Intl from Illinois 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 Illinois to Glasgow Intl Airport

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

Currently, February is the cheapest month in which you can book a flight from Illinois to Glasgow Intl Airport (average of £350). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £633). 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.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Glasgow Intl. 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 Illinois to Glasgow Intl Airport?

    Departing from Illinois to Glasgow Intl Airport will take you 12h. The distance from Illinois to Glasgow Intl Airport is about 3663 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • What are the most popular routes from Illinois to Glasgow Intl Airport?

  • Can I find deals for flights from Illinois to Glasgow Intl that include hotel bookings?

    Yes. In addition to deals on Illinois to Glasgow Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Glasgow Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Glasgow Intl.

  • Can I find deals for business class flights from Illinois to Glasgow Intl?

    Yes. Cheapflights offers flight deals from Illinois to Glasgow Intl 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 Illinois to Glasgow Intl Airport?

    Currently, February is the cheapest month in which you can book a flight from Illinois to Glasgow Intl Airport (average of £350). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £633). 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

Travelling to a place near Glasgow Intl Airport?

Book flights to Glasgow Intl Airport if you plan to visit one of these locations
Paisley
Dunoon
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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Alternative routes for Illinois to Glasgow Intl

See prices for flight routes from nearby airports that may be better suited for you.

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How does Cheapflights help users find flights from Illinois to Glasgow Intl?

Cheapflights makes it easy to find Illinois to Glasgow Intl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Glasgow Intl?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Glasgow Intl from Illinois.

Can Cheapflights find flights from Illinois to Glasgow Intl with no change fees?

Certainly. Search results for flights to Glasgow Intl from Illinois 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 Illinois to Glasgow Intl become cheaper?

Yes, Cheapflights offers price alerts on Illinois to Glasgow Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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