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 £156. British Airways flights start at £279 while deals on American Airlines start at £283 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 47 days before your planned departure. Booking around this time can save you about 13% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £456 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £456.

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 £537 per person but you can even find prices for as low as £366. The most expensive prices can be found in the month of June. Opting for a February flight can save you 31% on your journey compared to booking in June

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.

£156+ Flights from Illinois to Glasgow Intl Airport

Cheap flight deals from Illinois to Glasgow Intl

Round-trip from	£403
One-way from	£156
Popular in	June
Cheapest in	February
Average price	£709

Icelandair
9/9-25/9
2 total stops
21h 55m total
Illinois to Glasgow

Search Deals

Icelandair
8/10
1 total stop
9h 10m total
Illinois to Glasgow

Search Deals

Highest demand for flights based on searches. 17% potential increase in price (£82 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in June 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 13 6月 2025.

週二 9/919:25ORD - GLA

1 stop12h 00mIcelandair

週四 25/914:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 12/6£403

週一 4/816:55ORD - GLA

1 stop13h 55mBritish Airways

週三 20/809:25GLA - ORD

1 stop14h 50mBritish Airways

Deal found 10/6£426

週二 9/919:25ORD - GLA

1 stop12h 00mMultiple Airlines

週二 23/920:55GLA - ORD

2 stops31h 52mMultiple Airlines

Deal found 11/6£428

週一 4/819:15ORD - GLA

1 stop13h 25mAmerican Airlines

週三 20/808:40GLA - ORD

1 stop12h 00mAmerican Airlines

Deal found 11/6£450

週一 27/1021:45ORD - GLA

1 stop13h 50mIberia

週一 10/1119:20GLA - ORD

1 stop26h 05mIberia

Deal found 11/6£451

週日 2/1122:35ORD - GLA

1 stop18h 35mLufthansa

週五 21/1112:40GLA - ORD

1 stop13h 25mLufthansa

Deal found 11/6£475

週一 4/811:01ORD - GLA

2 stops15h 24mDelta

週三 20/809:10GLA - ORD

1 stop11h 30mDelta

Deal found 11/6£500

週二 9/907:00ORD - GLA

2 stops19h 10mVirgin Atlantic

週四 25/906:00GLA - ORD

1 stop14h 10mVirgin Atlantic

Deal found 12/6£503

週二 14/1017:07STL - GLA

2 stops15h 33mAmerican Airlines

週三 22/1008:40GLA - STL

2 stops17h 43mAmerican Airlines

Deal found 10/6£505

週日 21/917:59MDW - GLA

2 stops16h 11mDelta

週三 1/1006:00GLA - MDW

2 stops18h 36mDelta

Deal found 10/6£511

週三 29/1017:59MDW - GLA

2 stops13h 41mMultiple Airlines

週二 4/1109:05GLA - MDW

2 stops15h 31mMultiple Airlines

Deal found 11/6£519

週二 14/1012:25STL - GLA

2 stops28h 35mLufthansa

週三 22/1006:10GLA - STL

1 stop13h 20mLufthansa

Deal found 10/6£521

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 13 6月 2025.

週二 9/919:25ORD - GLA

1 stop12h 00mIcelandair

週四 25/914:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 12/6£403

週一 4/816:55ORD - GLA

1 stop13h 55mBritish Airways

週三 20/809:25GLA - ORD

1 stop14h 50mBritish Airways

Deal found 10/6£426

週二 9/919:25ORD - GLA

1 stop12h 00mMultiple Airlines

週二 23/920:55GLA - ORD

2 stops31h 52mMultiple Airlines

Deal found 11/6£428

週一 4/819:15ORD - GLA

1 stop13h 25mAmerican Airlines

週三 20/808:40GLA - ORD

1 stop12h 00mAmerican Airlines

Deal found 11/6£450

週一 27/1021:45ORD - GLA

1 stop13h 50mIberia

週一 10/1119:20GLA - ORD

1 stop26h 05mIberia

Deal found 11/6£451

週日 2/1122:35ORD - GLA

1 stop18h 35mLufthansa

週四 20/1112:40GLA - ORD

1 stop13h 25mLufthansa

Deal found 11/6£475

週一 4/811:01ORD - GLA

2 stops15h 24mDelta

週三 20/809:10GLA - ORD

1 stop11h 30mDelta

Deal found 11/6£500

週二 9/907:00ORD - GLA

2 stops19h 10mVirgin Atlantic

週四 25/906:00GLA - ORD

1 stop14h 10mVirgin Atlantic

Deal found 12/6£503

週一 27/1013:35ORD - GLA

2 stops13h 55mKLM

週六 8/1106:05GLA - ORD

1 stop14h 25mKLM

Deal found 11/6£541

週六 29/1113:55STL - GLA

2 stops22h 45mFinnair

週一 8/1219:20GLA - STL

2 stops28h 55mFinnair

Deal found 10/6£546

週二 14/1017:07STL - GLA

2 stops15h 33mAmerican Airlines

週三 22/1008:40GLA - STL

2 stops17h 43mAmerican Airlines

Deal found 10/6£505

週日 21/917:59MDW - GLA

2 stops16h 11mDelta

週三 1/1006:00GLA - MDW

2 stops18h 36mDelta

Deal found 10/6£511

Last-minute flights from Illinois to Glasgow Intl
Discover last-minute flight deals from Illinois to Glasgow Intl. Data last updated 13 6月 2025 and is based on user searches.

週二 17/618:20MDW - GLA

2 stops31h 50mDelta

週四 26/609:05GLA - MDW

2 stops15h 36mDelta

Deal found 10/6£724

週二 17/610:40ORD - GLA

3 stops22h 50mMultiple Airlines

週六 5/707:35GLA - ORD

3 stops30h 20mMultiple Airlines

Deal found 10/6£938

週二 17/619:10ORD - GLA

1 stop11h 00mBritish Airways

週六 5/705:50GLA - ORD

1 stop12h 05mBritish Airways

Deal found 10/6£971

週二 17/622:30ORD - GLA

1 stop18h 30mLufthansa

週二 24/606:10GLA - ORD

1 stop19h 45mLufthansa

Deal found 10/6£1,043

週三 18/622:15ORD - GLA

1 stop9h 10mIcelandair

週一 23/614:20GLA - ORD

1 stop12h 55mIcelandair

Deal found 10/6£1,144

週六 21/616:20ORD - GLA

1 stop11h 25mKLM

週日 29/606:00GLA - ORD

1 stop14h 10mKLM

Deal found 12/6£817

週六 21/611:20ORD - GLA

2 stops16h 25mDelta

週日 29/606:00GLA - ORD

1 stop14h 10mDelta

Deal found 11/6£820

週六 21/614:30MDW - GLA

3 stops16h 55mMultiple Airlines

週日 29/614:20GLA - MDW

2 stops15h 35mMultiple Airlines

Deal found 11/6£2,624

週二 8/718:20MDW - GLA

2 stops15h 50mDelta

週二 15/706:00GLA - MDW

2 stops18h 40mDelta

Deal found 10/6£659

週二 8/711:52ORD - GLA

2 stops22h 53mIberia

週一 14/709:05GLA - ORD

1 stop32h 50mIberia

Deal found 10/6£726

週日 13/722:30ORD - GLA

1 stop18h 30mLufthansa

週二 22/706:10GLA - ORD

1 stop12h 45mLufthansa

Deal found 10/6£619

週二 22/716:20ORD - GLA

1 stop17h 50mVirgin Atlantic

週二 29/706:00GLA - ORD

1 stop14h 10mVirgin Atlantic

Deal found 10/6£526

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 13 6月 2025.

週三 8/1022:15ORD - GLA

1 stop9h 10mIcelandair

Deal found 10/6£156

週一 1/919:25ORD - GLA

3 stops30h 35mMultiple Airlines

Deal found 10/6£235

週日 21/921:15ORD - GLA

1 stop13h 25mBritish Airways

Deal found 12/6£279

週一 1/920:35ORD - GLA

1 stop14h 10mAmerican Airlines

Deal found 12/6£283

週日 21/915:09ORD - GLA

2 stops19h 31mIberia

Deal found 12/6£290

週五 4/714:55STL - GLA

3 stops59h 20mMultiple Airlines

Deal found 12/6£308

週三 22/1013:00MDW - GLA

2 stops13h 10mKLM

Deal found 10/6£319

週六 4/1013:30ORD - GLA

2 stops14h 15mKLM

Deal found 11/6£351

週一 1/918:17MDW - GLA

2 stops15h 53mDelta

Deal found 10/6£359

週四 2/1015:45ORD - GLA

1 stop10h 20mAer Lingus

Deal found 11/6£383

週四 19/616:06MDW - GLA

2 stops56h 44mMultiple Airlines

Deal found 10/6£389

週三 2/707:46STL - GLA

2 stops27h 19mAer Lingus

Deal found 12/6£392

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

週二 9/9

19:25-13:25

1 stop12h 00m

Glasgow Intl

週四 25/9

14:20-18:15

1 stop9h 55m

£403

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週一 4/8

16:55-12:50

1 stop13h 55m

Glasgow Intl

週三 20/8

09:25-18:15

1 stop14h 50m

£426

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週二 9/9

19:25-13:25

1 stop12h 00m

Glasgow Intl

週二 23/9

20:55-22:47

2 stops31h 52m

£428

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週一 4/8

19:15-14:40

1 stop13h 25m

Glasgow Intl

週三 20/8

08:40-14:40

1 stop12h 00m

£450

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週一 27/10

21:45-16:35

1 stop13h 50m

Glasgow Intl

週一 10/11

19:20-15:25

1 stop26h 05m

£451

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週日 2/11

22:35-23:10

1 stop18h 35m

Glasgow Intl

週四 20/11

12:40-20:05

1 stop13h 25m

£475

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週一 4/8

11:01-08:25

2 stops15h 24m

Glasgow Intl

週三 20/8

09:10-14:40

1 stop11h 30m

£500

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

週二 9/9

07:00-08:10

2 stops19h 10m

Glasgow Intl

週四 25/9

06:00-14:10

1 stop14h 10m

£503

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

週二 14/10

17:07-14:40

2 stops15h 33m

Glasgow Intl

週三 22/10

08:40-20:23

2 stops17h 43m

£505

ChicagoGlasgow

MDW - GLA

MDWGLA

Chicago Midway

週日 21/9

17:59-16:10

2 stops16h 11m

Glasgow Intl

週三 1/10

06:00-18:36

2 stops18h 36m

£511

Flights are sorted by cheapest return flights first.

Deals found on 10/6

Showing 1-10 of 35 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, April 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

7,950 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

7,950 reviews

Delta

8.0

Very Good

7,950 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

1,358 reviews

Delta

8.0

Very Good

7,950 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!

Finnair

7.6

Good

1,290 reviews

Delta

8.0

Very Good

7,950 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

1,463 reviews

Delta

8.0

Very Good

7,950 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

652 reviews

Delta

8.0

Very Good

7,950 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 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 £156. British Airways flights start at £279 while deals on American Airlines start at £283 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, April 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

Dunoon

Largs

Renfrew

Kilmarnock

East Kilbride

Dumbarton

Arrochar

Inveraray

Ballachulish

Rothesay

Clydebank

Alexandria

Tarbert

Balloch

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Illinois to Glasgow Intl

Airline	Cheapest	Average	Flexibility	On-time
Icelandair	Cheapest£294	Average£494	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
British Airways	Cheapest£324	Average£614	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 £156

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 8/10. 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 13 6月 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 13 6月 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 13 6月 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 2 airlines 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 13 6月 2025.