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 £169. British Airways flights start at £311 while deals on Finnair start at £356 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 £491 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £491.

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 £618 per person but you can even find prices for as low as £394. The most expensive prices can be found in the month of June. Opting for a February flight can save you 39% 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.

£59+ Flights from Illinois to Glasgow Intl Airport

Cheap flight deals from Illinois to Glasgow Intl

Round-trip from	£59
Popular in	June
Cheapest in	February
Average price	£476

KLM
6/4-13/4
2 total stops
58h 30m total
Illinois to Glasgow

Search Deals

Highest demand for flights based on searches. 20% potential increase in price (£127 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in February 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 21 February 2025.

Mon 7/420:50ORD - GLA

1 stop12h 35mAer Lingus

Fri 18/413:05GLA - ORD

1 stop11h 55mAer Lingus

Deal found 21/2£408

Sun 6/419:30ORD - GLA

1 stop9h 20mIcelandair

Sun 13/414:20GLA - ORD

1 stop12h 55mIcelandair

Deal found 20/2£430

Mon 28/419:30ORD - GLA

1 stop11h 55mMultiple Airlines

Thu 8/508:00GLA - ORD

3 stops37h 42mMultiple Airlines

Deal found 20/2£455

Wed 16/422:20ORD - GLA

1 stop11h 15mBritish Airways

Tue 22/408:45GLA - ORD

1 stop13h 10mBritish Airways

Deal found 20/2£463

Sun 6/416:20ORD - GLA

1 stop14h 40mVirgin Atlantic

Sun 13/416:55GLA - ORD

1 stop27h 15mVirgin Atlantic

Deal found 20/2£494

Wed 24/914:01STL - GLA

2 stops19h 34mFinnair

Wed 8/1017:40GLA - STL

2 stops30h 38mFinnair

Deal found 21/2£509

Tue 18/318:29STL - GLA

2 stops15h 06mBritish Airways

Tue 25/309:50GLA - STL

2 stops17h 28mBritish Airways

Deal found 21/2£511

Mon 24/314:40ORD - GLA

2 stops17h 00mDelta

Wed 2/406:00GLA - ORD

1 stop14h 40mDelta

Deal found 20/2£513

Mon 14/420:20ORD - GLA

1 stop12h 20mFinnair

Tue 29/421:20GLA - ORD

1 stop22h 30mFinnair

Deal found 21/2£516

Mon 28/415:02MDW - GLA

2 stops19h 08mDelta

Thu 8/508:55GLA - MDW

2 stops15h 35mDelta

Deal found 20/2£526

Mon 31/313:26ORD - GLA

2 stops12h 44mKLM

Tue 8/413:30GLA - ORD

2 stops14h 41mKLM

Deal found 20/2£526

Mon 13/1022:30ORD - GLA

1 stop18h 20mLufthansa

Wed 22/1013:10GLA - ORD

1 stop12h 45mLufthansa

Deal found 20/2£528

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 21 February 2025.

Sun 6/416:20ORD - GLA

1 stop24h 50mKLM

Sun 13/410:30GLA - ORD

1 stop33h 40mKLM

Deal found 20/2£59

Mon 7/420:50ORD - GLA

1 stop12h 35mAer Lingus

Fri 18/413:05GLA - ORD

1 stop11h 55mAer Lingus

Deal found 21/2£408

Sun 6/419:30ORD - GLA

1 stop9h 20mIcelandair

Sun 13/414:20GLA - ORD

1 stop12h 55mIcelandair

Deal found 20/2£430

Mon 28/419:30ORD - GLA

1 stop11h 55mMultiple Airlines

Thu 8/508:00GLA - ORD

3 stops37h 42mMultiple Airlines

Deal found 20/2£455

Wed 16/422:20ORD - GLA

1 stop11h 15mBritish Airways

Tue 22/408:45GLA - ORD

1 stop13h 10mBritish Airways

Deal found 20/2£463

Sun 6/416:20ORD - GLA

1 stop14h 40mVirgin Atlantic

Sun 13/416:55GLA - ORD

1 stop27h 15mVirgin Atlantic

Deal found 20/2£494

Mon 24/314:40ORD - GLA

2 stops17h 00mDelta

Wed 2/406:00GLA - ORD

1 stop14h 40mDelta

Deal found 20/2£513

Mon 14/420:20ORD - GLA

1 stop12h 20mFinnair

Tue 29/421:20GLA - ORD

1 stop22h 30mFinnair

Deal found 21/2£516

Sun 6/416:00ORD - GLA

1 stop14h 25mLufthansa

Sun 13/405:55GLA - ORD

2 stops20h 28mLufthansa

Deal found 20/2£517

Mon 14/416:20ORD - GLA

1 stop17h 50mAir France

Tue 29/406:00GLA - ORD

2 stops16h 08mAir France

Deal found 21/2£547

Tue 25/316:27ORD - GLA

2 stops17h 08mIberia

Mon 31/311:35GLA - ORD

1 stop33h 10mIberia

Deal found 20/2£664

Tue 18/318:29STL - GLA

2 stops15h 06mBritish Airways

Tue 25/309:50GLA - STL

2 stops17h 28mBritish Airways

Deal found 21/2£511

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

Mon 24/217:15STL - GLA

3 stops34h 40mMultiple Airlines

Wed 26/212:35GLA - STL

3 stops37h 35mMultiple Airlines

Deal found 20/2£909

Tue 25/218:00STL - GLA

2 stops31h 50mAer Lingus

Tue 4/312:00GLA - STL

2 stops16h 02mAer Lingus

Deal found 20/2£693

Sun 2/320:25ORD - GLA

2 stops17h 15mMultiple Airlines

Thu 6/316:45GLA - ORD

2 stops28h 45mMultiple Airlines

Deal found 20/2£487

Sun 2/315:55ORD - GLA

1 stop9h 55mAer Lingus

Thu 6/320:10GLA - ORD

1 stop27h 45mAer Lingus

Deal found 20/2£806

Sun 2/310:57MDW - GLA

2 stops15h 33mDelta

Thu 6/309:05GLA - MDW

2 stops15h 06mDelta

Deal found 20/2£1,389

Sun 2/312:05ORD - GLA

2 stops16h 35mBritish Airways

Thu 6/306:35GLA - ORD

1 stop13h 20mBritish Airways

Deal found 20/2£6,726

Thu 13/306:00STL - GLA

2 stops21h 30mDelta

Wed 19/309:05GLA - STL

2 stops17h 35mDelta

Deal found 20/2£696

Tue 18/318:29STL - GLA

2 stops15h 06mBritish Airways

Tue 25/309:50GLA - STL

2 stops17h 28mBritish Airways

Deal found 21/2£511

Sun 23/317:50ORD - GLA

2 stops20h 40mBritish Airways

Mon 31/320:50GLA - ORD

1 stop23h 00mBritish Airways

Deal found 20/2£484

Sun 23/323:35ORD - GLA

1 stop18h 40mLufthansa

Wed 2/406:10GLA - ORD

1 stop19h 45mLufthansa

Deal found 20/2£528

Sun 23/318:15ORD - GLA

2 stops13h 25mKLM

Mon 31/306:00GLA - ORD

2 stops15h 13mKLM

Deal found 20/2£833

Mon 24/313:26ORD - GLA

2 stops18h 14mDelta

Tue 1/413:30GLA - ORD

1 stop31h 10mDelta

Deal found 20/2£513

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 21 February 2025.

Tue 1/419:30ORD - GLA

1 stop9h 20mIcelandair

Deal found 20/2£169

Tue 1/417:22ORD - GLA

2 stops36h 33mMultiple Airlines

Deal found 20/2£196

Tue 1/406:40MDW - GLA

2 stops22h 10mMultiple Airlines

Deal found 20/2£264

Wed 30/419:15ORD - GLA

1 stop13h 00mBritish Airways

Deal found 20/2£311

Fri 28/319:30ORD - GLA

1 stop14h 40mFinnair

Deal found 20/2£356

Wed 30/413:16MDW - GLA

2 stops27h 54mAir France

Deal found 20/2£410

Fri 14/316:55ORD - GLA

1 stop14h 05mLufthansa

Deal found 20/2£459

Tue 1/717:22STL - GLA

2 stops42h 18mMultiple Airlines

Deal found 19/2£507

Fri 27/616:45ORD - GLA

2 stops12h 45mAer Lingus

Deal found 20/2£578

Sun 15/609:15MDW - GLA

1 stop15h 35mAir Transat

Deal found 20/2£599

Sun 29/609:30MDW - GLA

2 stops16h 55mDelta

Deal found 20/2£603

Find flights from Illinois to Glasgow Intl within your budget

Fly from

Fly to

Route

Depart

Return

Price

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 7/4

20:50-15:25

1 stop12h 35m

Glasgow Intl

Fri 18/4

13:05-19:00

1 stop11h 55m

£408

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 6/4

19:30-10:50

1 stop9h 20m

Glasgow Intl

Sun 13/4

14:20-21:15

1 stop12h 55m

£430

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 28/4

19:30-13:25

1 stop11h 55m

Glasgow Intl

Thu 8/5

08:00-15:42

3 stops37h 42m

£455

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Wed 16/4

22:20-15:35

1 stop11h 15m

Glasgow Intl

Tue 22/4

08:45-15:55

1 stop13h 10m

£463

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 6/4

16:20-13:00

1 stop14h 40m

Glasgow Intl

Sun 13/4

16:55-14:10

1 stop27h 15m

£494

St. LouisGlasgow

STL - GLA

STLGLA

Lambert-St Louis

Tue 18/3

18:29-14:35

2 stops15h 06m

Glasgow Intl

Tue 25/3

09:50-22:18

2 stops17h 28m

£511

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 24/3

13:26-12:40

2 stops18h 14m

Glasgow Intl

Tue 1/4

13:30-14:40

1 stop31h 10m

£513

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Mon 14/4

20:20-14:40

1 stop12h 20m

Glasgow Intl

Tue 29/4

21:20-13:50

1 stop22h 30m

£516

ChicagoGlasgow

ORD - GLA

ORDGLA

Chicago O'Hare Intl

Sun 6/4

16:00-12:25

1 stop14h 25m

Glasgow Intl

Sun 13/4

05:55-20:23

2 stops20h 28m

£517

ChicagoGlasgow

MDW - GLA

MDWGLA

Chicago Midway

Mon 28/4

15:02-16:10

2 stops19h 08m

Glasgow Intl

Thu 8/5

08:55-18:30

2 stops15h 35m

£526

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 31 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.

Travel insights for flights from Illinois to Glasgow Intl

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

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 Transat. 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

8,213 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

8,213 reviews

Delta

8.0

Very Good

8,213 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

1,331 reviews

Delta

8.0

Very Good

8,213 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 Transat

7.8

Good

380 reviews

Delta

8.0

Very Good

8,213 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

1,273 reviews

Delta

8.0

Very Good

8,213 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

7.5

Good

654 reviews

Delta

8.0

Very Good

8,213 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 £169. British Airways flights start at £311 while deals on Finnair start at £356 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

Kilmarnock

East Kilbride

Renfrew

Dumbarton

Arrochar

Dunoon

Largs

Balloch

Ballachulish

Clydebank

Inveraray

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£349	Average£740	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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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 Illinois to Glasgow Intl Airport from £59

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/4. 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 21 February 2025.

Round-trip 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 21 February 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 21 February 2025.

Find flights from Illinois to Glasgow Intl within your budget

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.

Travel insights for flights from Illinois to Glasgow Intl

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

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 Transat. 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 21 February 2025.