What are the cheapest airlines to fly from Glasgow Intl Airport to Illinois one-way?

The cheapet airlines for a one-way flight from Glasgow Intl Airport to Illinois are Icelandair (£456), Aer Lingus (£500), and British Airways (£753).

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

The most popular flight routes from Glasgow Intl Airport to Illinois are Glasgow Intl - Chicago O'Hare Intl, Glasgow Intl - Chicago Midway and Glasgow Intl - Lambert-St Louis.

What are the most popular airlines that fly from Glasgow Intl Airport to Illinois?

When booking a flight from Glasgow Intl Airport to Illinois, you may want to consider flying on Air France, British Airways or Aer Lingus as they are the most popular for this route.

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

Travelers have found it’s best to book a flight 51 days in advance to save up to 114% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 51 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Glasgow Intl Airport to Illinois 1-2 weeks in advance for as low as £543, or £758 for flights within the next 24 hours.

What is the cheapest month to fly from Glasgow Intl Airport to Illinois?

The best pricing can be found in the month of February. Prices to Illinois from Glasgow Intl Airport average £604. You can even find prices in February for less than £604, as users have found deals to Illinois from as low as £384. The month of July appears to be one of the more expensive times to travel to Illinois from Glasgow Intl Airport. Flying in the targeted month can save you up to 29%.

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

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

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

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

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

Yes. Cheapflights offers flight deals from Glasgow Intl 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.

£288+ Flights from Glasgow Intl Airport to Illinois

Cheap flight deals from Glasgow Intl to Illinois

Round-trip from	£410
One-way from	£288
Popular in	July
Cheapest in	February
Average price	£479

British Airways
29/4-7/5
2 total stops
23h 50m total
Glasgow to Illinois

Search Deals

17/3
3 total stops
49h 48m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (£87 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 2025

Search Deals

Find flight deals from Glasgow Intl to Illinois

Cheapest flights from Glasgow Intl to Illinois
Explore the most affordable flight options available from Glasgow Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Tue 29/409:15GLA - ORD

1 stop12h 40mBritish Airways

Wed 7/522:25ORD - GLA

1 stop11h 10mBritish Airways

Deal found 20/2£410

Tue 22/415:55GLA - ORD

2 stops32h 25mMultiple Airlines

Mon 28/419:30ORD - GLA

2 stops20h 30mMultiple Airlines

Deal found 20/2£436

Wed 30/414:20GLA - ORD

1 stop10h 00mIcelandair

Tue 6/519:25ORD - GLA

1 stop12h 00mIcelandair

Deal found 20/2£489

Tue 22/406:00GLA - ORD

1 stop14h 40mKLM

Mon 28/416:20ORD - GLA

1 stop24h 50mKLM

Deal found 20/2£491

Mon 24/306:05GLA - ORD

1 stop14h 25mAir France

Mon 31/316:20ORD - GLA

1 stop17h 50mAir France

Deal found 20/2£494

Wed 12/306:05GLA - ORD

1 stop14h 25mVirgin Atlantic

Mon 31/310:55ORD - GLA

2 stops15h 15mVirgin Atlantic

Deal found 20/2£504

Mon 28/408:25GLA - ORD

1 stop13h 30mAmerican Airlines

Tue 6/516:55ORD - GLA

1 stop11h 50mAmerican Airlines

Deal found 20/2£513

Tue 22/406:00GLA - MDW

2 stops14h 22mDelta

Mon 28/415:02MDW - GLA

2 stops19h 08mDelta

Deal found 20/2£517

Thu 27/306:00GLA - ORD

1 stop15h 15mLufthansa

Sun 30/318:15ORD - GLA

1 stop12h 10mLufthansa

Deal found 20/2£524

Mon 28/405:50GLA - ORD

1 stop11h 55mFinnair

Thu 8/522:25ORD - GLA

1 stop13h 05mFinnair

Deal found 20/2£558

Tue 29/416:55GLA - MDW

2 stops31h 25mVirgin Atlantic

Wed 7/513:00MDW - GLA

2 stops21h 10mVirgin Atlantic

Deal found 20/2£561

Mon 31/306:00GLA - ORD

2 stops17h 43mDelta

Mon 7/413:26ORD - GLA

2 stops20h 44mDelta

Deal found 20/2£566

Best flights from Glasgow Intl to Illinois
Discover carefully curated flight deals from Glasgow Intl to Illinois that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 February 2025.

Tue 29/409:15GLA - ORD

1 stop12h 40mBritish Airways

Wed 7/522:25ORD - GLA

1 stop11h 10mBritish Airways

Deal found 20/2£410

Tue 22/415:55GLA - ORD

2 stops32h 25mMultiple Airlines

Mon 28/419:30ORD - GLA

2 stops20h 30mMultiple Airlines

Deal found 20/2£436

Wed 30/414:20GLA - ORD

1 stop10h 00mIcelandair

Tue 6/519:25ORD - GLA

1 stop12h 00mIcelandair

Deal found 20/2£489

Tue 22/406:00GLA - ORD

1 stop14h 40mKLM

Mon 28/416:20ORD - GLA

1 stop24h 50mKLM

Deal found 20/2£491

Mon 24/306:05GLA - ORD

1 stop14h 25mAir France

Mon 31/316:20ORD - GLA

1 stop17h 50mAir France

Deal found 20/2£494

Wed 12/306:05GLA - ORD

1 stop14h 25mVirgin Atlantic

Mon 31/310:55ORD - GLA

2 stops15h 15mVirgin Atlantic

Deal found 20/2£504

Mon 28/408:25GLA - ORD

1 stop13h 30mAmerican Airlines

Tue 6/516:55ORD - GLA

1 stop11h 50mAmerican Airlines

Deal found 20/2£513

Tue 22/406:00GLA - MDW

2 stops14h 22mDelta

Mon 28/415:02MDW - GLA

2 stops19h 08mDelta

Deal found 20/2£517

Thu 27/306:00GLA - ORD

1 stop15h 15mLufthansa

Sun 30/318:15ORD - GLA

1 stop12h 10mLufthansa

Deal found 20/2£524

Mon 28/405:50GLA - ORD

1 stop11h 55mFinnair

Thu 8/522:25ORD - GLA

1 stop13h 05mFinnair

Deal found 20/2£558

Sun 6/420:10GLA - STL

2 stops51h 51mAer Lingus

Sun 13/414:03STL - GLA

2 stops23h 37mAer Lingus

Deal found 20/2£1,095

Tue 29/416:55GLA - MDW

2 stops31h 25mVirgin Atlantic

Wed 7/513:00MDW - GLA

2 stops21h 10mVirgin Atlantic

Deal found 20/2£561

Last-minute flights from Glasgow Intl to Illinois
Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 21 February 2025 and is based on user searches.

Wed 12/312:35GLA - ORD

1 stop10h 45mIcelandair

Mon 31/319:30ORD - GLA

1 stop9h 20mIcelandair

Deal found 20/2£495

Wed 12/306:05GLA - ORD

1 stop14h 25mVirgin Atlantic

Mon 31/310:55ORD - GLA

2 stops15h 15mVirgin Atlantic

Deal found 20/2£504

Sun 23/322:40GLA - STL

2 stops24h 19mMultiple Airlines

Sat 29/311:04STL - GLA

2 stops15h 06mMultiple Airlines

Deal found 20/2£1,175

Mon 24/315:25GLA - ORD

2 stops24h 26mBritish Airways

Sun 30/317:55ORD - GLA

1 stop13h 20mBritish Airways

Deal found 20/2£412

Mon 24/306:05GLA - ORD

1 stop14h 25mAir France

Mon 31/316:20ORD - GLA

1 stop17h 50mAir France

Deal found 20/2£494

Thu 27/306:00GLA - ORD

1 stop15h 15mLufthansa

Sun 30/318:15ORD - GLA

1 stop12h 10mLufthansa

Deal found 20/2£524

Mon 31/320:50GLA - ORD

1 stop23h 00mMultiple Airlines

Mon 7/422:20ORD - GLA

1 stop14h 10mMultiple Airlines

Deal found 20/2£522

Mon 31/306:00GLA - ORD

2 stops17h 43mDelta

Mon 7/413:26ORD - GLA

2 stops20h 44mDelta

Deal found 20/2£566

Mon 31/308:55GLA - MDW

2 stops15h 07mMultiple Airlines

Mon 7/414:57MDW - GLA

2 stops19h 13mMultiple Airlines

Deal found 20/2£581

One-way flights from Glasgow Intl to Illinois
Search for one-way flight options from Glasgow Intl to Illinois. Find affordable one-way fares based on user searches. Data last updated 21 February 2025.

Mon 17/320:35GLA - MDW

3 stops49h 48mMultiple Airlines

Deal found 20/2£288

Thu 15/507:05GLA - ORD

2 stops22h 27mMultiple Airlines

Deal found 20/2£291

Wed 30/414:20GLA - ORD

1 stop12h 55mIcelandair

Deal found 19/2£456

Tue 18/308:20GLA - ORD

1 stop15h 35mAer Lingus

Deal found 20/2£500

Sun 23/312:25GLA - STL

3 stops40h 24mMultiple Airlines

Deal found 20/2£570

Fri 28/306:35GLA - ORD

2 stops16h 22mBritish Airways

Deal found 19/2£753

Tue 1/420:10GLA - STL

2 stops27h 49mAer Lingus

Deal found 20/2£754

Tue 3/608:55GLA - ORD

1 stop11h 15mVirgin Atlantic

Deal found 20/2£2,019

Tue 1/413:10GLA - STL

1 stop30h 20mLufthansa

Deal found 20/2£2,418

Find flights from Glasgow Intl to Illinois within your budget

Fly from

Fly to

Route

Depart

Return

Price

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 29/4

09:15-15:55

1 stop12h 40m

Chicago O'Hare Intl

Wed 7/5

22:25-15:35

1 stop11h 10m

£410

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 22/4

15:55-18:20

2 stops32h 25m

Chicago O'Hare Intl

Mon 28/4

19:30-22:00

2 stops20h 30m

£436

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 30/4

14:20-18:20

1 stop10h 00m

Chicago O'Hare Intl

Tue 6/5

19:25-13:25

1 stop12h 00m

£489

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Tue 22/4

06:00-14:40

1 stop14h 40m

Chicago O'Hare Intl

Mon 28/4

16:20-23:10

1 stop24h 50m

£491

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 24/3

06:05-15:30

1 stop14h 25m

Chicago O'Hare Intl

Mon 31/3

16:20-16:10

1 stop17h 50m

£494

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Wed 12/3

06:05-15:30

1 stop14h 25m

Chicago O'Hare Intl

Mon 31/3

10:55-08:10

2 stops15h 15m

£504

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 28/4

08:25-15:55

1 stop13h 30m

Chicago O'Hare Intl

Tue 6/5

16:55-10:45

1 stop11h 50m

£513

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

Tue 22/4

06:00-14:22

2 stops14h 22m

Chicago Midway

Mon 28/4

15:02-16:10

2 stops19h 08m

£517

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Thu 27/3

06:00-16:15

1 stop15h 15m

Chicago O'Hare Intl

Sun 30/3

18:15-12:25

1 stop12h 10m

£524

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

Mon 28/4

05:50-11:45

1 stop11h 55m

Chicago O'Hare Intl

Thu 8/5

22:25-17:30

1 stop13h 05m

£558

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 25 results

Best time to book a flight from Glasgow Intl to Illinois

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

Travel insights for flights from Glasgow Intl to Illinois

Get recent, data-driven insights about flights from Glasgow Intl to Illinois including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £595). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £843). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Glasgow Intl Airport to Illinois as you normally would.

Rainfall in Illinois by month

In terms of precipitation, rainfall in Illinois ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Illinois when rainfall is around 43.0 mm.

Temperature in Illinois by month

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

Reviews of airlines servicing Illinois

To help decide which airline to fly from Glasgow to Illinois, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,213 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,213 reviews

Delta

8.0

Very Good

8,213 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,331 reviews

Delta

8.0

Very Good

8,213 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.6

Good

1,273 reviews

Delta

8.0

Very Good

8,213 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.5

Good

654 reviews

Delta

8.0

Very Good

8,213 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,449 reviews

Delta

8.0

Very Good

8,213 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

What are the cheapest airlines to fly from Glasgow Intl Airport to Illinois one-way?
The cheapet airlines for a one-way flight from Glasgow Intl Airport to Illinois are Icelandair (£456), Aer Lingus (£500), and British Airways (£753).
What are the most popular routes from Glasgow Intl Airport to Illinois?
The most popular flight routes from Glasgow Intl Airport to Illinois are Glasgow Intl - Chicago O'Hare Intl, Glasgow Intl - Chicago Midway and Glasgow Intl - Lambert-St Louis.
Can I find deals for flights from Glasgow Intl to Illinois that include hotel bookings?
Yes. In addition to deals on Glasgow Intl to Illinois flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Glasgow Intl to Illinois?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Glasgow Intl to Illinois.
Can I find deals for business class flights from Glasgow Intl to Illinois?
Yes. Cheapflights offers flight deals from Glasgow Intl 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 Intl Airport to Illinois?
Currently, January is the cheapest month in which you can book a flight from Glasgow Intl Airport to Illinois (average of £595). Flying from Glasgow Intl Airport to Illinois in July is currently the most expensive (average of £843). 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

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Complete your trip

Illinois car hire

Chicago O'Hare Intl Airport car hire

Chicago Midway Airport car hire

Moline Quad-City Airport car hire

Greater Peoria Airport car hire

Bloomington-Normal Airport car hire

Springfield Capital Airport car hire

Chicago Greater Rockford Airport car hire

Champaign University-Willard Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Direct flights to United States

Top 4 airlines flying from Glasgow Intl to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£348	Average£577	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air France	Cheapest£358	Average£495	FlexibilityNo cancel fee	On-time77%	Search Air France flights
British Airways	Cheapest£403	Average£566	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£422	Average£604	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights

Fly with Cheapflights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Glasgow Intl 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 Intl to Illinois?

Cheapflights simply makes it quick and affordable to book flights from Glasgow Intl 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 Intl to Illinois with no change fees?

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

Of course! You can now track prices for flights from Glasgow Intl to Illinois and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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Cheap flights from Glasgow Intl Airport to Illinois from £288

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 17/3. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Glasgow Intl to Illinois

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Glasgow Intl to Illinois

Cheapest flights from Glasgow Intl to IllinoisExplore the most affordable flight options available from Glasgow Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Explore the most affordable flight options available from Glasgow Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.

Find flights from Glasgow Intl to Illinois within your budget

Best time to book a flight from Glasgow Intl to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Glasgow Intl with our price prediction graph.

Travel insights for flights from Glasgow Intl to Illinois

Get recent, data-driven insights about flights from Glasgow Intl to Illinois including ideal travel times, pricing trends, and more.

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

What is the cheapest time of day to fly from GLA to IL?

Find hourly flight availability from Glasgow Intl 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 February 2025.

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

Reviews of airlines servicing Illinois

To help decide which airline to fly from Glasgow to Illinois, see what other customers have to say about Delta, KLM and Finnair. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

What are the cheapest airlines to fly from Glasgow Intl Airport to Illinois one-way?

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

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

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

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

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

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 Intl to Illinois

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

Top 4 airlines flying from Glasgow Intl to Illinois

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 Intl to Illinois?

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

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

Can Cheapflights notify me if prices for flights from Glasgow Intl to Illinois become cheaper?

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Cheapest flights from Glasgow Intl to Illinois
Explore the most affordable flight options available from Glasgow Intl to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 February 2025.