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 Aer Lingus (£482), Icelandair (£517), and British Airways (£567).

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.

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).

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 - Lambert-St Louis and Glasgow Intl - Chicago Midway.

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 117% 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 £427, or £713 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 £566. You can even find prices in February for less than £566, as users have found deals to Illinois from as low as £357. 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 33%.

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.

£275+ Flights from Glasgow Intl Airport to Illinois

Cheap flight deals from Glasgow Intl to Illinois

Round-trip from	£497
One-way from	£275
Popular in	July
Cheapest in	February
Average price	£754

British Airways
26/8-9/9
2 total stops
24h 05m total
Glasgow to Illinois

Search Deals

24/9
2 total stops
41h 33m total
Glasgow to Illinois

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£95 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 9 luglio 2025.

mar 26/808:45GLA - ORD

1 stop11h 55mBritish Airways

mar 9/922:35ORD - GLA

1 stop12h 10mBritish Airways

Deal found 7/7£497

mar 26/808:55GLA - ORD

1 stop11h 15mDelta

mar 9/914:00ORD - GLA

2 stops20h 10mDelta

Deal found 7/7£507

gio 21/813:45GLA - ORD

2 stops32h 25mMultiple Airlines

gio 28/820:50ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 7/7£576

lun 18/806:00GLA - MDW

2 stops18h 37mDelta

dom 24/819:17MDW - GLA

2 stops14h 53mDelta

Deal found 8/7£596

mer 16/705:50GLA - ORD

1 stop16h 05mAmerican Airlines

mar 29/711:52ORD - GLA

2 stops15h 48mAmerican Airlines

Deal found 7/7£621

mer 16/714:20GLA - ORD

1 stop9h 55mIcelandair

ven 25/722:15ORD - GLA

1 stop9h 10mIcelandair

Deal found 8/7£643

mar 15/706:10GLA - ORD

1 stop19h 45mLufthansa

dom 3/822:30ORD - GLA

1 stop18h 30mLufthansa

Deal found 7/7£697

ven 8/806:00GLA - ORD

2 stops16h 13mKLM

dom 10/819:01ORD - GLA

2 stops15h 09mKLM

Deal found 6/7£743

ven 7/1112:40GLA - MLI

2 stops38h 38mLufthansa

mar 11/1110:50MLI - GLA

2 stops19h 10mLufthansa

Deal found 7/7£806

ven 7/1108:55GLA - MLI

2 stops18h 52mAmerican Airlines

mar 11/1118:39MLI - GLA

2 stops15h 56mAmerican Airlines

Deal found 8/7£812

gio 9/1006:00GLA - STL

2 stops16h 51mKLM

lun 13/1016:27STL - GLA

2 stops14h 33mKLM

Deal found 8/7£813

gio 9/1013:10GLA - STL

1 stop30h 20mLufthansa

lun 13/1012:25STL - GLA

2 stops28h 25mLufthansa

Deal found 8/7£977

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 9 luglio 2025.

mar 26/808:45GLA - ORD

1 stop11h 55mBritish Airways

mar 9/922:35ORD - GLA

1 stop12h 10mBritish Airways

Deal found 7/7£497

mar 26/808:55GLA - ORD

1 stop11h 15mDelta

mar 9/914:00ORD - GLA

2 stops20h 10mDelta

Deal found 7/7£507

gio 21/813:45GLA - ORD

2 stops32h 25mMultiple Airlines

gio 28/820:50ORD - GLA

2 stops19h 30mMultiple Airlines

Deal found 7/7£576

gio 7/807:00GLA - ORD

1 stop14h 55mAmerican Airlines

dom 10/817:40ORD - GLA

1 stop10h 50mAmerican Airlines

Deal found 8/7£679

ven 8/806:00GLA - ORD

2 stops16h 13mKLM

dom 10/819:01ORD - GLA

2 stops15h 09mKLM

Deal found 6/7£743

lun 22/1212:35GLA - ORD

1 stop10h 45mIcelandair

lun 5/118:30ORD - GLA

1 stop9h 25mIcelandair

Deal found 7/7£752

ven 18/706:00GLA - ORD

2 stops19h 27mVirgin Atlantic

ven 1/816:15ORD - GLA

1 stop24h 55mVirgin Atlantic

Deal found 7/7£821

gio 7/806:10GLA - ORD

2 stops18h 05mLufthansa

dom 10/821:40ORD - GLA

2 stops19h 20mLufthansa

Deal found 8/7£849

ven 18/706:00GLA - ORD

1 stop14h 10mAir France

sab 2/816:15ORD - GLA

1 stop24h 55mAir France

Deal found 7/7£859

lun 18/806:00GLA - MDW

2 stops18h 37mDelta

dom 24/819:17MDW - GLA

2 stops14h 53mDelta

Deal found 8/7£596

gio 9/1006:00GLA - STL

2 stops16h 51mKLM

lun 13/1016:27STL - GLA

2 stops14h 33mKLM

Deal found 8/7£813

gio 9/1013:10GLA - STL

1 stop30h 20mLufthansa

lun 13/1012:25STL - GLA

2 stops28h 25mLufthansa

Deal found 8/7£977

Last-minute flights from Glasgow Intl to Illinois
Discover last-minute flight deals from Glasgow Intl to Illinois. Data last updated 9 luglio 2025 and is based on user searches.

mar 15/709:10GLA - ORD

1 stop11h 00mDelta

mer 30/716:40ORD - GLA

1 stop14h 20mDelta

Deal found 7/7£650

mar 15/706:00GLA - MDW

2 stops18h 40mDelta

mar 29/713:09MDW - GLA

2 stops13h 16mDelta

Deal found 7/7£654

mar 15/706:10GLA - ORD

1 stop19h 45mLufthansa

dom 3/822:30ORD - GLA

1 stop18h 30mLufthansa

Deal found 7/7£697

mer 16/705:50GLA - ORD

1 stop16h 05mAmerican Airlines

mar 29/711:52ORD - GLA

2 stops15h 48mAmerican Airlines

Deal found 7/7£621

mer 16/714:20GLA - ORD

1 stop9h 55mIcelandair

ven 25/722:15ORD - GLA

1 stop9h 10mIcelandair

Deal found 8/7£643

gio 17/708:10GLA - ORD

2 stops31h 30mMultiple Airlines

lun 4/822:15ORD - GLA

1 stop9h 10mMultiple Airlines

Deal found 7/7£754

gio 17/709:10GLA - ORD

1 stop11h 00mAir France

ven 1/816:15ORD - GLA

1 stop17h 55mAir France

Deal found 7/7£817

gio 17/709:10GLA - ORD

2 stops14h 57mKLM

ven 1/816:15ORD - GLA

1 stop24h 55mKLM

Deal found 7/7£821

ven 18/707:00GLA - ORD

2 stops20h 25mBritish Airways

ven 1/816:36ORD - GLA

2 stops24h 44mBritish Airways

Deal found 7/7£742

ven 18/709:10GLA - MDW

2 stops15h 30mMultiple Airlines

gio 31/713:09MDW - GLA

2 stops13h 16mMultiple Airlines

Deal found 7/7£1,259

sab 19/709:10GLA - MDW

2 stops15h 30mKLM

gio 31/713:09MDW - GLA

2 stops13h 16mKLM

Deal found 7/7£1,072

ven 8/806:00GLA - ORD

2 stops16h 13mKLM

dom 10/819:01ORD - GLA

2 stops15h 09mKLM

Deal found 6/7£743

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 9 luglio 2025.

mer 24/921:45GLA - ORD

2 stops41h 33mMultiple Airlines

Deal found 8/7£275

mer 24/906:20GLA - MDW

3 stops31h 59mMultiple Airlines

Deal found 8/7£332

mer 3/908:35GLA - ORD

1 stop11h 25mAer Lingus

Deal found 6/7£482

gio 4/914:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 6/7£517

mer 3/909:25GLA - ORD

2 stops15h 25mBritish Airways

Deal found 6/7£567

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

mar 26/8

08:45-14:40

1 stop11h 55m

Chicago O'Hare Intl

mar 9/9

22:35-16:45

1 stop12h 10m

£497

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

mar 26/8

08:55-14:10

1 stop11h 15m

Chicago O'Hare Intl

mar 9/9

14:00-16:10

2 stops20h 10m

£507

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

gio 21/8

13:45-16:10

2 stops32h 25m

Chicago O'Hare Intl

gio 28/8

20:50-22:20

2 stops19h 30m

£576

GlasgowChicago

GLA - MDW

GLAMDW

Glasgow Intl

lun 18/8

06:00-18:37

2 stops18h 37m

Chicago Midway

dom 24/8

19:17-16:10

2 stops14h 53m

£596

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

gio 7/8

07:00-15:55

1 stop14h 55m

Chicago O'Hare Intl

dom 10/8

17:40-10:30

1 stop10h 50m

£679

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

ven 8/8

06:00-16:13

2 stops16h 13m

Chicago O'Hare Intl

dom 10/8

19:01-16:10

2 stops15h 09m

£743

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

lun 22/12

12:35-17:20

1 stop10h 45m

Chicago O'Hare Intl

lun 5/1

18:30-09:55

1 stop9h 25m

£752

GlasgowSt. Louis

GLA - STL

GLASTL

Glasgow Intl

gio 9/10

06:00-16:51

2 stops16h 51m

Lambert-St Louis

lun 13/10

16:27-13:00

2 stops14h 33m

£813

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

ven 18/7

06:00-19:27

2 stops19h 27m

Chicago O'Hare Intl

ven 1/8

16:15-23:10

1 stop24h 55m

£821

GlasgowChicago

GLA - ORD

GLAORD

Glasgow Intl

gio 7/8

06:10-18:15

2 stops18h 05m

Chicago O'Hare Intl

dom 10/8

21:40-23:00

2 stops19h 20m

£849

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 19 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.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to Illinois

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.

Reviews of airlines servicing Illinois

See what other customers who have flown with Delta, KLM, andAir France from Glasgow Intl Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,958 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,958 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,370 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Air France

7.5

Good

1,467 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Virgin Atlantic

7.4

Good

653 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,958 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 Aer Lingus (£482), Icelandair (£517), and British Airways (£567).
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 - Lambert-St Louis and Glasgow Intl - Chicago Midway.
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

Alternative routes for Glasgow Intl to Illinois

Glasgow Intl to Orlando flights

Glasgow Intl to John F Kennedy Intl flights

Glasgow Intl to LaGuardia flights

Glasgow Intl to Newark flights

Glasgow Intl to Blountville flights

Glasgow Intl to Boston flights

Glasgow Intl to San Francisco flights

Glasgow Intl to Dallas/Fort Worth flights

Glasgow Intl to Dulles Intl flights

Glasgow Intl to Hobby flights

Glasgow Intl to San Diego flights

Glasgow Intl to Seattle flights

Glasgow Intl to O'Hare Intl flights

Glasgow Intl to Los Angeles flights

Glasgow Intl to Las Vegas flights

Glasgow Intl to Denver flights

Glasgow Intl to Tampa flights

Glasgow Intl to George Bush Intcntl flights

Glasgow Intl to Baltimore flights

Glasgow Intl to Love Field flights

Glasgow Intl to Oakland flights

Glasgow Intl to San Jose flights

Glasgow Intl to Charlotte flights

Glasgow Intl to Portland flights

Glasgow Intl to Miami flights

Glasgow Intl to Reagan-National flights

Glasgow Intl to Philadelphia flights

Glasgow Intl to St. Louis flights

Glasgow Intl to Austin flights

Glasgow Intl to Detroit flights

Glasgow Intl to Melbourne flights

Glasgow Intl to Santa Ana flights

Glasgow Intl to Cleveland flights

Glasgow Intl to Midway flights

Glasgow Intl to Grand Rapids flights

Glasgow Intl to Atlanta flights

Glasgow Intl to Daytona Beach flights

Glasgow Intl to Ontario flights

Glasgow Intl to Nashville flights

Glasgow Intl to Key West flights

Glasgow Intl to Memphis flights

Glasgow Intl to Little Rock flights

Glasgow Intl to Salt Lake City flights

Glasgow Intl to Raleigh flights

Glasgow Intl to Palm Springs flights

Glasgow Intl to Anchorage flights

Glasgow Intl to Moline flights

Glasgow Intl to Stewart flights

Glasgow Intl to Syracuse flights

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

Champaign University-Willard Airport car hire

Chicago Greater Rockford Airport car hire

Belleville Airport car hire

Marion Williamson County Airport car hire

Quincy Regional Airport car hire

Direct flights to United States

Top 6 airlines flying from Glasgow Intl to Illinois

Airline	Cheapest	Average	Flexibility	On-time
Aer Lingus	Cheapest£323	Average£534	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
Air France	Cheapest£333	Average£459	FlexibilityNo cancel fee	On-time77%	Search Air France flights
British Airways	Cheapest£374	Average£465	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Icelandair	Cheapest£416	Average£721	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
KLM	Cheapest£465	Average£502	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Virgin Atlantic	Cheapest£492	Average£537	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic 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.

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.

Cheap flights from Glasgow Intl Airport to Illinois from £275

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 24/9. 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 9 luglio 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 9 luglio 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 9 luglio 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Glasgow Intl Airport to Illinois that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Glasgow Intl Airport to Illinois

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 9 luglio 2025.

Reviews of airlines servicing Illinois

See what other customers who have flown with Delta, KLM, andAir France from Glasgow Intl Airport to Illinois have to say. Users can see the overall rating for each airline as well as how each is rated 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 6 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?

100% Free

Book with Flexibility

Travel Smart

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 9 luglio 2025.