Cheap flights from Illinois to Glasgow Intl Airport from £242

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 16/8. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GLA
2 May — 9 May1
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 2 April 2026.

Sun 8/1118:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Sun 15/1120:20
GLA
-
ORD
2 stops27h 00m
Multiple Airlines
Deal found 28/3£494
Mon 2/1118:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Wed 11/1120:45
GLA
-
ORD
2 stops26h 35m
Multiple Airlines
Deal found 1/4£498
Mon 2/1118:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Tue 17/1108:25
GLA
-
ORD
2 stops14h 55m
Multiple Airlines
Deal found 1/4£499
Mon 26/1019:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Mon 9/1108:20
GLA
-
ORD
2 stops15h 00m
Multiple Airlines
Deal found 1/4£503
Mon 2/1118:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Thu 12/1121:25
GLA
-
ORD
2 stops25h 55m
Multiple Airlines
Deal found 1/4£506
Sun 18/1022:25
ORD
-
GLA
1 stop9h 00m
Icelandair
Thu 22/1014:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Deal found 1/4£509
Tue 27/1019:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Thu 5/1121:25
GLA
-
ORD
2 stops25h 55m
Multiple Airlines
Deal found 1/4£512
Mon 26/1019:30
ORD
-
GLA
1 stop9h 25m
Multiple Airlines
Thu 5/1107:15
GLA
-
ORD
2 stops16h 05m
Multiple Airlines
Deal found 1/4£513
Mon 27/419:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Mon 11/514:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Deal found 1/4£513
Tue 22/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Wed 30/914:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Deal found 31/3£515
Mon 21/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Fri 2/1014:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Deal found 31/3£516
Tue 22/919:25
ORD
-
GLA
1 stop12h 00m
Icelandair
Fri 2/1014:20
GLA
-
ORD
1 stop9h 55m
Icelandair
Deal found 31/3£517

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 2 April 2026.

Round-trip from

£513

One-way from

£242

Popular in

December

Cheapest in

January

Average price

£531
Icelandair
  • Icelandair
  • 27/4-11/5
  • 2 total stops
  • 21h 55m total
  • Illinois to Glasgow
Icelandair
  • Icelandair
  • 16/8
  • 1 total stop
  • 12h 00m total
  • Illinois to Glasgow
Highest demand for flights based on searches. 9% potential increase in price (£41 potential increase over avg. return price).
Cheapest flight prices on average. 7% potential price decrease (£28 potential savings vs. average return price).
Average for round-trip flights in April 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 2 April 2026.
Use the filters below to find and compare flights from Illinois to Glasgow Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 22/9

13:59-09:40

2 stops13h 41m

Glasgow Intl

Fri 2/10

08:35-15:55

1 stop13h 20m

£658

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 9/9

10:40-12:55

2 stops20h 15m

Glasgow Intl

Wed 16/9

09:10-14:30

1 stop11h 20m

£662
Fastest return journey

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 20/9

17:00-09:50

1 stop10h 50m

Glasgow Intl

Tue 6/10

07:00-16:13

2 stops15h 13m

£664

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 1/9

07:00-08:25

2 stops19h 25m

Glasgow Intl

Fri 11/9

06:00-18:39

2 stops18h 39m

£669

ChicagoGlasgow

MDW - GLA

MDWGLA

Chicago Midway

Tue 28/4

19:16-16:10

2 stops14h 54m

Glasgow Intl

Tue 5/5

09:10-18:36

2 stops15h 26m

£671

ChicagoGlasgow

MDW - GLA

MDWGLA

Chicago Midway

Mon 28/9

13:00-16:10

2 stops21h 10m

Glasgow Intl

Wed 14/10

06:00-18:37

2 stops18h 37m

£671

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sun 13/9

20:07-18:45

2 stops16h 38m

Glasgow Intl

Thu 24/9

07:00-19:28

2 stops18h 28m

£680

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Sun 13/9

21:40-23:05

1 stop19h 25m

Glasgow Intl

Thu 24/9

18:40-23:20

2 stops34h 40m

£685

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 5/8

16:50-23:10

1 stop24h 20m

Glasgow Intl

Thu 13/8

09:10-14:15

1 stop11h 05m

£698

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 26/4

16:20-23:10

1 stop24h 50m

Glasgow Intl

Sat 9/5

10:25-14:15

1 stop33h 50m

£698

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 49 resultsSorted by cheapest first
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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 £357). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £631). 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.

How much does it cost for a return flight from Illinois to Glasgow Intl Airport?

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 13h 41m. 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 £357). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £631). 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
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Largs
Renfrew
Inveraray
Rothesay
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.

Fly with Cheapflights

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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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