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 £171. British Airways flights start at £304 while deals on American Airlines start at £305 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 £468 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £468.

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 £560 per person but you can even find prices for as low as £375. The most expensive prices can be found in the month of June. Opting for a February flight can save you 30% 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.

£171+ Flights from Illinois to Glasgow Intl Airport

Cheap flight deals from Illinois to Glasgow Intl

Round-trip from	£474
One-way from	£171
Popular in	June
Cheapest in	February
Average price	£509

Icelandair
28/9-4/10
2 total stops
19h 05m total
Illinois to Glasgow

Search Deals

Icelandair
21/9
1 total stop
9h 10m total
Illinois to Glasgow

Search Deals

Highest demand for flights based on searches. 18% potential increase in price (£94 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 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 18 April 2025.

Sun 28/922:15ORD - GLA

1 stop9h 10mIcelandair

Sat 4/1014:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 17/4£474

Sun 4/522:15ORD - GLA

1 stop9h 10mMultiple Airlines

Tue 20/521:55GLA - ORD

3 stops37h 30mMultiple Airlines

Deal found 17/4£485

Wed 29/1018:00ORD - GLA

1 stop11h 20mAmerican Airlines

Wed 5/1109:45GLA - ORD

2 stops16h 00mAmerican Airlines

Deal found 17/4£496

Tue 28/1013:15ORD - GLA

2 stops15h 35mBritish Airways

Wed 5/1108:40GLA - ORD

2 stops16h 40mBritish Airways

Deal found 17/4£497

Tue 28/1014:00MDW - GLA

2 stops17h 40mDelta

Wed 5/1106:05GLA - MDW

2 stops18h 02mDelta

Deal found 17/4£522

Sun 27/416:20ORD - GLA

1 stop24h 50mKLM

Tue 6/513:30GLA - ORD

2 stops15h 46mKLM

Deal found 18/4£523

Tue 23/920:01STL - GLA

2 stops17h 39mIberia

Tue 30/908:45GLA - STL

2 stops17h 36mIberia

Deal found 16/4£543

Sun 27/421:40ORD - GLA

2 stops19h 20mLufthansa

Tue 6/506:10GLA - ORD

2 stops18h 12mLufthansa

Deal found 18/4£548

Thu 8/513:08MDW - GLA

2 stops13h 02mKLM

Thu 15/508:55GLA - MDW

2 stops14h 50mKLM

Deal found 17/4£561

Mon 5/510:25ORD - GLA

2 stops15h 45mDelta

Mon 12/506:00GLA - ORD

2 stops18h 37mDelta

Deal found 17/4£566

Tue 23/908:25STL - GLA

2 stops21h 55mLufthansa

Tue 30/913:10GLA - STL

1 stop30h 20mLufthansa

Deal found 16/4£575

Mon 1/920:01STL - GLA

2 stops16h 29mBritish Airways

Sat 13/907:55GLA - STL

2 stops17h 13mBritish Airways

Deal found 16/4£581

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 18 April 2025.

Sun 28/922:15ORD - GLA

1 stop9h 10mIcelandair

Sat 4/1014:20GLA - ORD

1 stop9h 55mIcelandair

Deal found 17/4£474

Sun 4/522:15ORD - GLA

1 stop9h 10mMultiple Airlines

Tue 20/521:55GLA - ORD

3 stops37h 30mMultiple Airlines

Deal found 17/4£485

Mon 6/1011:40ORD - GLA

2 stops16h 25mBritish Airways

Wed 15/1016:50GLA - ORD

2 stops21h 54mBritish Airways

Deal found 17/4£499

Thu 8/520:30ORD - GLA

1 stop15h 00mAmerican Airlines

Thu 15/508:35GLA - ORD

1 stop15h 40mAmerican Airlines

Deal found 16/4£532

Wed 8/1021:40ORD - GLA

2 stops19h 25mLufthansa

Wed 15/1006:10GLA - ORD

1 stop12h 45mLufthansa

Deal found 16/4£533

Tue 23/920:01STL - GLA

2 stops17h 39mIberia

Tue 30/908:45GLA - STL

2 stops17h 36mIberia

Deal found 16/4£543

Mon 5/507:00ORD - GLA

2 stops19h 10mDelta

Mon 12/506:00GLA - ORD

1 stop14h 10mDelta

Deal found 17/4£559

Thu 8/513:08MDW - GLA

2 stops13h 02mKLM

Thu 15/508:55GLA - MDW

2 stops14h 50mKLM

Deal found 17/4£561

Fri 4/721:15ORD - GLA

1 stop13h 35mAer Lingus

Sat 12/710:10GLA - ORD

1 stop11h 35mAer Lingus

Deal found 18/4£759

Tue 23/908:25STL - GLA

2 stops21h 55mLufthansa

Tue 30/913:10GLA - STL

1 stop30h 20mLufthansa

Deal found 16/4£575

Mon 1/920:01STL - GLA

2 stops16h 29mBritish Airways

Sat 13/907:55GLA - STL

2 stops17h 13mBritish Airways

Deal found 16/4£581

Tue 6/513:25ORD - GLA

2 stops12h 45mKLM

Tue 27/508:55GLA - ORD

1 stop11h 15mKLM

Deal found 17/4£595

Last-minute flights from Illinois to Glasgow Intl
Discover last-minute flight deals from Illinois to Glasgow Intl. Data last updated 18 April 2025 and is based on user searches.

Wed 23/422:20ORD - GLA

1 stop14h 20mBritish Airways

Mon 28/420:50GLA - ORD

1 stop20h 55mBritish Airways

Deal found 17/4£500

Fri 25/409:30ORD - GLA

2 stops18h 10mDelta

Wed 30/408:55GLA - ORD

2 stops17h 55mDelta

Deal found 17/4£652

Sun 27/419:25ORD - GLA

1 stop12h 00mIcelandair

Tue 6/514:25GLA - ORD

1 stop9h 50mIcelandair

Deal found 18/4£490

Sun 27/416:20ORD - GLA

1 stop24h 50mKLM

Tue 6/513:30GLA - ORD

2 stops15h 46mKLM

Deal found 18/4£523

Sun 27/422:20ORD - GLA

1 stop14h 25mAmerican Airlines

Sun 11/505:55GLA - ORD

1 stop14h 45mAmerican Airlines

Deal found 17/4£533

Sun 27/422:30ORD - GLA

1 stop18h 30mLufthansa

Tue 6/506:10GLA - ORD

2 stops18h 05mLufthansa

Deal found 17/4£543

Sun 27/415:02MDW - GLA

2 stops19h 08mDelta

Sun 11/506:00GLA - MDW

2 stops18h 45mDelta

Deal found 17/4£1,299

Wed 30/411:15MDW - GLA

3 stops22h 50mMultiple Airlines

Sat 3/518:40GLA - MDW

3 stops44h 05mMultiple Airlines

Deal found 16/4£1,361

Sun 4/522:15ORD - GLA

1 stop9h 10mMultiple Airlines

Tue 20/521:55GLA - ORD

3 stops37h 30mMultiple Airlines

Deal found 17/4£485

Mon 5/510:25ORD - GLA

2 stops15h 45mDelta

Mon 12/506:00GLA - ORD

2 stops18h 37mDelta

Deal found 17/4£566

Tue 6/515:02MDW - GLA

2 stops15h 58mDelta

Tue 27/508:55GLA - MDW

2 stops14h 50mDelta

Deal found 17/4£603

Thu 8/520:30ORD - GLA

1 stop15h 00mAmerican Airlines

Thu 15/508:35GLA - ORD

1 stop15h 40mAmerican Airlines

Deal found 16/4£532

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 18 April 2025.

Sun 21/922:15ORD - GLA

1 stop9h 10mIcelandair

Deal found 17/4£171

Wed 28/507:19ORD - GLA

3 stops24h 01mMultiple Airlines

Deal found 17/4£265

Sun 15/621:12MDW - GLA

3 stops36h 13mMultiple Airlines

Deal found 16/4£291

Wed 23/721:15ORD - GLA

1 stop11h 00mBritish Airways

Deal found 18/4£304

Tue 13/522:25ORD - GLA

1 stop12h 20mAmerican Airlines

Deal found 17/4£305

Wed 30/409:55ORD - GLA

2 stops16h 15mDelta

Deal found 17/4£330

Sat 4/1013:00MDW - GLA

2 stops14h 50mVirgin Atlantic

Deal found 17/4£362

Sat 4/1013:35ORD - GLA

2 stops14h 10mKLM

Deal found 17/4£362

Tue 16/921:15ORD - GLA

1 stop13h 35mAer Lingus

Deal found 17/4£372

Wed 30/409:20MDW - GLA

2 stops16h 50mDelta

Deal found 17/4£430

Sun 1/613:08MDW - GLA

2 stops13h 02mKLM

Deal found 17/4£569

Sat 24/516:20ORD - GLA

1 stop11h 25mVirgin Atlantic

Deal found 17/4£598

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

Sun 28/9

22:15-13:25

1 stop9h 10m

Glasgow Intl

Sat 4/10

14:20-18:15

1 stop9h 55m

£474

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 4/5

22:15-13:25

1 stop9h 10m

Glasgow Intl

Tue 20/5

21:55-05:25

3 stops37h 30m

£485

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 6/10

11:40-10:05

2 stops16h 25m

Glasgow Intl

Wed 15/10

16:50-08:44

2 stops21h 54m

£499

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Thu 8/5

20:30-17:30

1 stop15h 00m

Glasgow Intl

Thu 15/5

08:35-18:15

1 stop15h 40m

£532

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 8/10

21:40-23:05

2 stops19h 25m

Glasgow Intl

Wed 15/10

06:10-12:55

1 stop12h 45m

£533

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 23/9

20:01-19:40

2 stops17h 39m

Glasgow Intl

Tue 30/9

08:45-20:21

2 stops17h 36m

£543

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 5/5

07:00-08:10

2 stops19h 10m

Glasgow Intl

Mon 12/5

06:00-14:10

1 stop14h 10m

£559

ChicagoGlasgow

MDW - GLA

MDWGLA

Chicago Midway

Thu 8/5

13:08-08:10

2 stops13h 02m

Glasgow Intl

Thu 15/5

08:55-17:45

2 stops14h 50m

£561

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 23/9

08:25-12:20

2 stops21h 55m

Glasgow Intl

Tue 30/9

13:10-13:30

1 stop30h 20m

£575

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Mon 1/9

20:01-18:30

2 stops16h 29m

Glasgow Intl

Sat 13/9

07:55-19:08

2 stops17h 13m

£581

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 30 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 Air France. 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

7,917 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

7,917 reviews

Delta

8.0

Very Good

7,917 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

1,329 reviews

Delta

8.0

Very Good

7,917 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.

Air France

7.5

Good

1,435 reviews

Delta

8.0

Very Good

7,917 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

642 reviews

Delta

8.0

Very Good

7,917 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

7,917 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 £171. British Airways flights start at £304 while deals on American Airlines start at £305 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

Kilmarnock

Arrochar

East Kilbride

Largs

Renfrew

Balloch

Dumbarton

Ballachulish

Inveraray

Rothesay

Clydebank

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£332	Average£705	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 £171

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 21/9. 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 18 April 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 18 April 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 18 April 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 Air France. 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 18 April 2025.