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 £229. American Airlines flights start at £309 while deals on Delta start at £333 one-way.

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.

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

To save on the cost of your flight from Illinois to Glasgow Intl Airport, book at least 43 days before your planned departure. Booking around this time can save you about 25% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £479 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £479.

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

February is one of the best times of the year to fly to Glasgow Intl Airport from Illinois. Prices for February average £580 per person but you can even find prices for as low as £384. The most expensive prices can be found in the month of July. Opting for a February flight can save you 30% on your journey compared to booking in July

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

When flying from Illinois to Glasgow Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£229+ Flights from Illinois to Glasgow Intl Airport

Cheap flight deals from Illinois to Glasgow Intl

Round-trip from	£476
One-way from	£229
Popular in	July
Cheapest in	February
Average price	£564

Icelandair
7/5-15/5
2 total stops
19h 05m total
Illinois to Glasgow

Search Deals

Icelandair
16/9
1 total stop
12h 00m total
Illinois to Glasgow

Search Deals

Highest demand for flights based on searches. 22% potential increase in price (£129 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 March 2025

Search Deals

Find flight deals from Illinois to Glasgow Intl

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 30 March 2025.

Mon 29/919:25ORD - GLA

1 stop12h 00mIcelandair

Tue 7/1014:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 29/3£472

Mon 12/522:25ORD - GLA

1 stop12h 00mBritish Airways

Wed 21/505:50GLA - ORD

1 stop11h 55mBritish Airways

Deal found 30/3£483

Wed 1/1022:30ORD - GLA

1 stop18h 35mLufthansa

Fri 10/1006:10GLA - ORD

1 stop12h 45mLufthansa

Deal found 29/3£492

Tue 13/522:25ORD - GLA

1 stop14h 25mAmerican Airlines

Tue 20/508:45GLA - ORD

1 stop14h 15mAmerican Airlines

Deal found 29/3£497

Tue 29/422:30ORD - GLA

1 stop18h 30mMultiple Airlines

Thu 8/506:10GLA - ORD

2 stops20h 02mMultiple Airlines

Deal found 29/3£509

Mon 12/521:15ORD - GLA

1 stop13h 10mIberia

Tue 20/515:35GLA - ORD

2 stops28h 40mIberia

Deal found 30/3£511

Mon 31/316:20ORD - GLA

1 stop24h 50mVirgin Atlantic

Mon 7/416:55GLA - ORD

1 stop27h 45mVirgin Atlantic

Deal found 29/3£514

Wed 23/416:50ORD - GLA

1 stop24h 20mKLM

Mon 28/416:55GLA - ORD

1 stop27h 15mKLM

Deal found 29/3£525

Tue 13/519:30STL - GLA

2 stops15h 15mBritish Airways

Tue 20/510:55GLA - STL

2 stops16h 57mBritish Airways

Deal found 29/3£538

Sun 27/409:20MDW - GLA

2 stops16h 50mDelta

Sun 11/506:00GLA - MDW

2 stops18h 45mDelta

Deal found 29/3£568

Tue 13/510:31ORD - GLA

2 stops15h 39mDelta

Tue 20/513:30GLA - ORD

2 stops16h 28mDelta

Deal found 29/3£572

Sat 20/917:30STL - GLA

2 stops36h 55mLufthansa

Sat 4/1013:05GLA - STL

1 stop30h 25mLufthansa

Deal found 28/3£636

Best flights from Illinois to Glasgow Intl
Discover carefully curated flight deals from Illinois to Glasgow Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 March 2025.

Wed 7/522:15ORD - GLA

1 stop9h 10mIcelandair

Thu 15/514:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 29/3£476

Wed 6/816:55ORD - GLA

1 stop11h 25mBritish Airways

Wed 20/808:40GLA - ORD

1 stop12h 25mBritish Airways

Deal found 29/3£478

Tue 13/522:25ORD - GLA

1 stop14h 25mAmerican Airlines

Tue 20/508:45GLA - ORD

1 stop14h 15mAmerican Airlines

Deal found 29/3£497

Tue 29/419:25ORD - GLA

1 stop12h 00mMultiple Airlines

Thu 8/508:10GLA - ORD

3 stops21h 19mMultiple Airlines

Deal found 29/3£502

Wed 23/416:50ORD - GLA

1 stop24h 20mKLM

Mon 28/416:55GLA - ORD

1 stop27h 15mKLM

Deal found 29/3£525

Wed 7/521:40ORD - GLA

2 stops19h 25mLufthansa

Thu 15/506:10GLA - ORD

1 stop12h 45mLufthansa

Deal found 29/3£561

Tue 13/510:05ORD - GLA

2 stops16h 05mVirgin Atlantic

Tue 20/506:00GLA - ORD

1 stop14h 10mVirgin Atlantic

Deal found 29/3£565

Sun 27/409:20MDW - GLA

2 stops16h 50mDelta

Sun 11/506:00GLA - MDW

2 stops18h 45mDelta

Deal found 29/3£568

Wed 2/716:23STL - GLA

2 stops19h 27mFinnair

Thu 10/707:00GLA - STL

2 stops22h 49mFinnair

Deal found 30/3£993

Tue 13/519:30STL - GLA

2 stops15h 15mBritish Airways

Tue 20/510:55GLA - STL

2 stops16h 57mBritish Airways

Deal found 29/3£538

Tue 13/510:31ORD - GLA

2 stops15h 39mDelta

Tue 20/513:30GLA - ORD

2 stops16h 28mDelta

Deal found 29/3£572

Sat 20/917:30STL - GLA

2 stops36h 55mLufthansa

Sat 4/1013:05GLA - STL

1 stop30h 25mLufthansa

Deal found 28/3£636

Last-minute flights from Illinois to Glasgow Intl
Discover last-minute flight deals from Illinois to Glasgow Intl. Data last updated 30 March 2025 and is based on user searches.

Mon 31/322:30ORD - GLA

1 stop15h 10mAmerican Airlines

Tue 8/407:00GLA - ORD

1 stop16h 00mAmerican Airlines

Deal found 29/3£503

Mon 31/316:20ORD - GLA

1 stop24h 50mVirgin Atlantic

Mon 7/416:55GLA - ORD

1 stop27h 45mVirgin Atlantic

Deal found 29/3£514

Mon 31/321:40ORD - GLA

2 stops19h 10mLufthansa

Tue 8/406:10GLA - ORD

2 stops18h 23mLufthansa

Deal found 29/3£555

Wed 9/419:30ORD - GLA

1 stop9h 20mIcelandair

Wed 30/414:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 29/3£558

Wed 9/417:10ORD - GLA

2 stops15h 05mBritish Airways

Wed 30/407:00GLA - ORD

1 stop16h 00mBritish Airways

Deal found 29/3£638

Fri 11/416:20ORD - GLA

1 stop17h 50mDelta

Thu 17/406:00GLA - ORD

2 stops18h 14mDelta

Deal found 29/3£640

Fri 11/410:36MDW - GLA

2 stops17h 04mKLM

Thu 17/406:00GLA - MDW

2 stops16h 12mKLM

Deal found 29/3£799

Fri 11/415:45ORD - GLA

1 stop17h 35mAer Lingus

Thu 17/412:00GLA - ORD

2 stops29h 04mAer Lingus

Deal found 29/3£877

Fri 11/413:15MDW - GLA

2 stops35h 35mMultiple Airlines

Thu 17/408:10GLA - MDW

3 stops39h 09mMultiple Airlines

Deal found 29/3£1,285

Tue 22/416:55ORD - GLA

1 stop10h 45mBritish Airways

Wed 30/409:25GLA - ORD

1 stop13h 35mBritish Airways

Deal found 29/3£494

Wed 23/416:50ORD - GLA

1 stop24h 20mKLM

Mon 28/416:55GLA - ORD

1 stop27h 15mKLM

Deal found 29/3£525

Sun 27/409:20MDW - GLA

2 stops16h 50mDelta

Sun 11/506:00GLA - MDW

2 stops18h 45mDelta

Deal found 29/3£568

One-way flights from Illinois to Glasgow Intl
Search for one-way flight options from Illinois to Glasgow Intl. Find affordable one-way fares based on user searches. Data last updated 30 March 2025.

Tue 16/919:25ORD - GLA

1 stop12h 00mIcelandair

Deal found 30/3£229

Fri 18/719:25ORD - GLA

2 stops18h 30mMultiple Airlines

Deal found 28/3£290

Wed 30/420:20ORD - GLA

1 stop15h 30mAmerican Airlines

Deal found 29/3£309

Tue 29/417:59MDW - GLA

2 stops16h 11mDelta

Deal found 30/3£333

Mon 1/917:05ORD - GLA

2 stops15h 35mBritish Airways

Deal found 29/3£372

Tue 16/914:55ORD - GLA

2 stops22h 45mAer Lingus

Deal found 30/3£381

Wed 14/513:08MDW - GLA

2 stops13h 02mKLM

Deal found 30/3£392

Tue 29/413:30MDW - GLA

3 stops17h 55mMultiple Airlines

Deal found 30/3£587

Cheapflights Fare Finder

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

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 7/5

22:15-13:25

1 stop9h 10m

Glasgow Intl

Thu 15/5

14:20-18:15

1 stop9h 55m

£476

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 6/8

16:55-10:20

1 stop11h 25m

Glasgow Intl

Wed 20/8

08:40-15:05

1 stop12h 25m

£478

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 13/5

22:25-18:50

1 stop14h 25m

Glasgow Intl

Tue 20/5

08:45-17:00

1 stop14h 15m

£497

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 29/4

19:25-13:25

1 stop12h 00m

Glasgow Intl

Thu 8/5

08:10-23:29

3 stops21h 19m

£502

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 23/4

16:50-23:10

1 stop24h 20m

Glasgow Intl

Mon 28/4

16:55-14:10

1 stop27h 15m

£525

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 13/5

19:30-16:45

2 stops15h 15m

Glasgow Intl

Tue 20/5

10:55-21:52

2 stops16h 57m

£538

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 7/5

21:40-23:05

2 stops19h 25m

Glasgow Intl

Thu 15/5

06:10-12:55

1 stop12h 45m

£561

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 13/5

10:05-08:10

2 stops16h 05m

Glasgow Intl

Tue 20/5

06:00-14:10

1 stop14h 10m

£565

ChicagoGlasgow

MDW - GLA

MDWGLA

Chicago Midway

Sun 27/4

09:20-08:10

2 stops16h 50m

Glasgow Intl

Sun 11/5

06:00-18:45

2 stops18h 45m

£568

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Tue 13/5

10:31-08:10

2 stops15h 39m

Glasgow Intl

Tue 20/5

13:30-23:58

2 stops16h 28m

£572

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Showing 1-10 of 23 results

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, January is the cheapest month in which you can book a flight from Illinois to Glasgow Intl Airport (average of £97). Flying from Illinois to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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.

Rainfall in Glasgow Intl by month

In terms of precipitation, rainfall in Glasgow Intl Airport ranges from 33.0 - 112.0 inches per month. January is typically the wettest month, when rainfall can reach 112.0 mm. May is typically the driest time to visit Glasgow Intl Airport when rainfall is around 33.0 mm.

Temperature in Glasgow Intl by month

If weather is an important factor for your trip to Glasgow Intl Airport, 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 16.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Glasgow Intl

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

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very Good

7,897 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Finnair

7.6

Good

1,267 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic

7.4

Good

635 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very Good

7,897 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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 £229. American Airlines flights start at £309 while deals on Delta start at £333 one-way.
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, January is the cheapest month in which you can book a flight from Illinois to Glasgow Intl Airport (average of £97). Flying from Illinois to Glasgow Intl Airport in July is currently the most expensive (average of £119). 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

Paisley

East Kilbride

Kilmarnock

Dumbarton

Arrochar

Dunoon

Largs

Renfrew

Balloch

Ballachulish

Inveraray

Clydebank

Rothesay

Helensburgh

Alexandria

Tarbert

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Illinois to Glasgow Intl

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£340	Average£721	FlexibilityNo cancel fee	On-time70%	Search British Airways flights

Fly with Cheapflights

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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Cheap flights from Illinois to Glasgow Intl Airport from £229

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 16/9. Fares are subject to change and may not be available on all flights or dates of travel.

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 30 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Illinois to Glasgow Intl

Cheapest flights from Illinois to Glasgow IntlExplore 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 30 March 2025.

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 30 March 2025.

Cheapflights Fare Finder

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

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.

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?

Rainfall in Glasgow Intl by month

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

Temperature in Glasgow Intl by month

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

Reviews of airlines servicing Glasgow Intl

To help decide which airline to fly from Illinois to Glasgow, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline stacks up 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 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.

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

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

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

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

Travelling to a place near 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 Illinois to Glasgow Intl

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

Top airline flying from Illinois to Glasgow Intl

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?

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

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

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

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Travel Smart

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 30 March 2025.