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Cheap flights from Illinois to Glasgow Intl Airport from £170

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 21/7. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GLA
1 Aug — 8 Aug1
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 July 2026.

Fri 14/808:40
ORD
-
GLA
2 stops20h 05m
Multiple Airlines
Mon 17/821:45
GLA
-
ORD
2 stops28h 20m
Multiple Airlines
Deal found 30/6£404
Wed 5/815:45
ORD
-
GLA
2 stops17h 10m
Multiple Airlines
Mon 10/821:45
GLA
-
ORD
2 stops28h 20m
Multiple Airlines
Deal found 1/7£408
Fri 28/815:45
ORD
-
GLA
2 stops15h 50m
Multiple Airlines
Sun 6/921:55
GLA
-
ORD
2 stops23h 00m
Multiple Airlines
Deal found 30/6£413
Fri 14/808:40
ORD
-
GLA
2 stops20h 05m
Multiple Airlines
Fri 21/821:25
GLA
-
ORD
2 stops23h 19m
Multiple Airlines
Deal found 30/6£415
Thu 6/815:45
ORD
-
GLA
2 stops17h 10m
Multiple Airlines
Mon 17/821:45
GLA
-
ORD
2 stops22h 59m
Multiple Airlines
Deal found 30/6£421
Sat 19/914:40
ORD
-
GLA
2 stops24h 50m
Multiple Airlines
Sat 26/922:00
GLA
-
ORD
2 stops22h 55m
Multiple Airlines
Deal found 1/7£426
Wed 19/819:25
ORD
-
GLA
2 stops19h 50m
Multiple Airlines
Sat 29/811:10
GLA
-
ORD
2 stops16h 15m
Multiple Airlines
Deal found 1/7£441
Tue 11/819:25
ORD
-
GLA
2 stops13h 50m
Multiple Airlines
Tue 25/808:20
GLA
-
ORD
2 stops19h 05m
Multiple Airlines
Deal found 1/7£460
Sun 2/822:25
ORD
-
GLA
1 stop9h 00m
Multiple Airlines
Tue 8/921:20
GLA
-
ORD
2 stops32h 35m
Multiple Airlines
Deal found 1/7£470
Wed 9/922:25
ORD
-
GLA
1 stop9h 00m
Multiple Airlines
Tue 15/921:20
GLA
-
ORD
2 stops32h 35m
Multiple Airlines
Deal found 1/7£477
Tue 11/814:40
STL
-
GLA
2 stops18h 35m
Multiple Airlines
Tue 18/820:40
GLA
-
STL
2 stops23h 22m
Multiple Airlines
Deal found 28/6£649
Tue 28/710:25
MDW
-
GLA
1 stop17h 15m
Multiple Airlines
Tue 4/808:35
GLA
-
MDW
1 stop31h 10m
Multiple Airlines
Deal found 28/6£655

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 July 2026.

Round-trip from

£404

One-way from

£170

Popular in

June

Cheapest in

February

Average price

£690
14/8-17/8
  • 14/8-17/8
  • 4 total stops
  • 48h 25m total
  • Illinois to Glasgow
Search Deals
21/7
  • 21/7
  • 2 total stops
  • 31h 15m total
  • Illinois to Glasgow
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£28 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 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

Thu 5/11

18:30-09:55

1 stop9h 25m

Glasgow Intl

Sat 14/11

11:55-17:20

1 stop11h 25m

£517

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 29/10

19:30-09:55

1 stop9h 25m

Glasgow Intl

Mon 2/11

11:55-17:20

1 stop11h 25m

£517
Fastest return journey

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 24/8

22:25-13:25

1 stop9h 00m

Glasgow Intl

Wed 2/9

14:20-18:15

1 stop9h 55m

£527

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 23/8

22:25-13:25

1 stop9h 00m

Glasgow Intl

Thu 3/9

14:20-18:15

1 stop9h 55m

£527

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 24/8

19:25-13:25

1 stop12h 00m

Glasgow Intl

Fri 28/8

14:20-21:25

1 stop13h 05m

£528

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 15/9

19:25-13:25

1 stop12h 00m

Glasgow Intl

Wed 23/9

14:20-18:15

1 stop9h 55m

£556

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 10/9

19:25-13:25

1 stop12h 00m

Glasgow Intl

Tue 15/9

14:20-18:15

1 stop9h 55m

£556

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 13/9

22:25-13:25

1 stop9h 00m

Glasgow Intl

Wed 23/9

14:20-18:15

1 stop9h 55m

£556

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Fri 28/8

22:25-13:25

1 stop9h 00m

Glasgow Intl

Mon 7/9

14:20-21:25

1 stop13h 05m

£566

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 7/9

12:00-10:10

1 stop16h 10m

Glasgow Intl

Thu 17/9

14:00-20:07

1 stop12h 07m

£658

Flights are sorted by cheapest return flights first.

Deals found on 29/6

Showing 1-10 of 51 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 £37). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £562). 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?

How far ahead should I book a flight from Illinois to Glasgow Intl Airport?

The price you pay for your flight from Illinois to Glasgow Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 19 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 9h 25m. 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?

    Most travelers choose Chicago O'Hare Intl - Glasgow Intl, Chicago Midway - Glasgow Intl or Lambert-St Louis - Glasgow Intl when deciding on the best route 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 £37). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £562). 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
Kilmarnock
Dunoon
Arrochar
Dumbarton
Clydebank
East Kilbride
Helensburgh
Largs
Renfrew
Inveraray
Rothesay
Alexandria
Balloch

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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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