Cheap flights from Illinois to Glasgow Intl Airport from £271

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 16/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — GLA
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 31 October 2025.

Round-trip from

£370

One-way from

£271

Popular in

June

Cheapest in

February

Average price

£471
Icelandair
  • Icelandair
  • 1/12-10/12
  • 2 total stops
  • 20h 10m total
  • Illinois to Glasgow
Icelandair
  • Icelandair
  • 16/3
  • 1 total stop
  • 9h 25m total
  • Illinois to Glasgow
Highest demand for flights based on searches. 17% potential increase in price (£86 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).
Average for round-trip flights in October 2025

Find 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 31 October 2025.

Mon 1/1218:30ORD - GLA
1 stop9h 25mIcelandair
Wed 10/1212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 29/10£370
Tue 11/1118:30ORD - GLA
1 stop9h 25mIcelandair
Tue 18/1112:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 30/10£383
Mon 10/1115:50ORD - GLA
1 stop10h 10mMultiple Airlines
Wed 26/1112:00GLA - ORD
1 stop11h 55mMultiple Airlines
Deal found 30/10£395
Sun 30/1118:30ORD - GLA
1 stop9h 25mIcelandair
Fri 5/1212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 30/10£398
Tue 2/1218:30ORD - GLA
1 stop9h 25mIcelandair
Tue 16/1212:35GLA - ORD
1 stop10h 45mIcelandair
Deal found 30/10£463
Tue 11/1119:40ORD - GLA
1 stop14h 20mAer Lingus
Wed 14/108:20GLA - ORD
1 stop16h 55mAer Lingus
Deal found 29/10£467
Wed 12/1119:40ORD - GLA
1 stop9h 50mAer Lingus
Wed 14/108:20GLA - ORD
1 stop16h 55mAer Lingus
Deal found 29/10£468
Sun 9/1116:25ORD - GLA
1 stop18h 10mVirgin Atlantic
Thu 9/406:00GLA - ORD
1 stop14h 20mVirgin Atlantic
Deal found 30/10£472
Mon 10/1120:40ORD - GLA
1 stop13h 55mAmerican Airlines
Wed 26/1110:55GLA - ORD
1 stop12h 05mAmerican Airlines
Deal found 30/10£473
Tue 18/1117:10ORD - GLA
1 stop10h 40mBritish Airways
Tue 2/1219:10GLA - ORD
1 stop24h 40mBritish Airways
Deal found 30/10£475
Thu 27/1111:50ORD - GLA
2 stops15h 40mAmerican Airlines
Thu 4/1208:40GLA - ORD
1 stop14h 20mAmerican Airlines
Deal found 29/10£482
Wed 29/1010:40MDW - GLA
2 stops16h 50mDelta
Wed 5/1109:05GLA - MDW
2 stops19h 09mDelta
Deal found 29/10£496

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 31 October 2025.
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

Tue 3/3

18:30-09:55

1 stop9h 25m

Glasgow Intl

Thu 12/3

12:35-18:20

1 stop10h 45m

£438

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 24/3

19:30-09:55

1 stop9h 25m

Glasgow Intl

Thu 2/4

14:20-18:15

1 stop9h 55m

£458

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 10/3

19:30-09:55

1 stop9h 25m

Glasgow Intl

Tue 24/3

12:35-18:20

1 stop10h 45m

£471

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 15/3

22:45-16:40

1 stop12h 55m

Glasgow Intl

Wed 25/3

12:45-14:50

1 stop31h 05m

£474

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 23/3

18:10-10:45

1 stop11h 35m

Glasgow Intl

Tue 31/3

10:55-18:15

1 stop13h 20m

£474

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 25/3

22:45-18:15

1 stop14h 30m

Glasgow Intl

Tue 31/3

20:25-13:50

1 stop23h 25m

£474

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 18/11

17:10-09:50

1 stop10h 40m

Glasgow Intl

Tue 2/12

19:10-13:50

1 stop24h 40m

£475

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 6/4

17:00-10:05

1 stop11h 05m

Glasgow Intl

Thu 16/4

10:00-15:55

1 stop11h 55m

£479

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Wed 14/1

07:10-09:55

2 stops20h 45m

Glasgow Intl

Wed 21/1

06:05-20:39

2 stops20h 34m

£480

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 23/3

19:30-09:55

1 stop9h 25m

Glasgow Intl

Wed 1/4

14:20-18:15

1 stop9h 55m

£483

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 41 results
1
2
3
...
5

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, March is the cheapest month in which you can book a flight from Illinois to Glasgow Intl Airport (average of £347). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £649). 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 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 cheapest airlines to fly from Illinois to Glasgow Intl Airport one-way?

    To fly one-way, consider booking your trip with Icelandair, which is currently one of the cheapest options available, starting at £271. British Airways flights start at £285 while deals on American Airlines start at £316 one-way.

  • 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, March is the cheapest month in which you can book a flight from Illinois to Glasgow Intl Airport (average of £347). Flying from Illinois to Glasgow Intl Airport in June is currently the most expensive (average of £649). 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
Largs
Renfrew
Kilmarnock
Dumbarton
Arrochar
Clydebank
East Kilbride
Inveraray
Rothesay
Ballachulish
Alexandria
Tarbert
Balloch

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 Illinois to Glasgow Intl

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

Top 2 airlines flying from Illinois to Glasgow Intl

Discover the top 2 airlines that operate flights from Illinois to Glasgow Intl. 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 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest£375Average£509FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
British AirwaysCheapest£437Average£709FlexibilityNo cancel feeOn-time70%
Search British Airways 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 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.

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.