Cheap flights from Glasgow Intl Airport to Illinois from £303
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Glasgow Intl Airport to Illinois departing on 21/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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British Airways flights from Glasgow Intl Airport to Illinois
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How to get the cheapest flight ticket from Glasgow Intl Airport to Illinois
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Illinois?
The month of February is, on average, the cheapest month to fly to Illinois from Glasgow Intl Airport, with most prices found around £418. If you aren’t able to travel to Illinois during the month of February, then flying in November is also cheap. Prices for this month can be found on momondo for an average of £477.
What is the cheapest day to depart on your flight to Illinois?
The cheapest day to depart on your flight to Illinois is on a Wednesday when prices can be found for as low as £526. This is often the case because there is less demand to fly during this day of the week. Flights from Glasgow Intl Airport to Illinois on a Sunday will generally be more expensive and average around £627. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.
What is the cheapest time of day to depart on your flight to Illinois?
Our data shows that the cheapest Glasgow Intl Airport to Illinois flights are usually those with departure times in the morning. Our users have found flights to Illinois in the morning for as low as £543. In the evening is when there is more demand to fly to Illinois, so prices are often more expensive at around £616 per ticket.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from Glasgow Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around £560 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Glasgow Intl Airport for as low as £463 on momondo.
What is the cheapest airline that flies from Glasgow Intl to Illinois?
Icelandair, Aer Lingus, and British Airways are the most popular carriers operating from Glasgow Intl to Illinois
Which airlines fly to Illinois?
British Airways, Icelandair and Aer Lingus are the top three most popular airlines that fly to Illinois from Glasgow Intl Airport according to our data. British Airways is the first choice among our users, with 48% of people opting to fly with this airline when travelling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.
Cheap Glasgow Intl Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Glasgow Intl Airport to Illinois
When did momondo last update prices for flights from Glasgow Intl Airport to Illinois?
Prices for flights from Glasgow Intl Airport to Illinois refresh daily.
How many operators does momondo search for flights from Glasgow Intl Airport to Illinois?
As of July 2025, there are 6 operators available to choose from for flights from Glasgow Intl Airport to Illinois.
How old do you have to be to fly from Glasgow Intl Airport to Illinois?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Glasgow Intl Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents required for your trip to Illinois can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Illinois. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Glasgow Intl Airport to Illinois
Compare and see reviews for airlines that fly from Glasgow Intl Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £322 | Free Cancellation | Rating 7.1 1,144 reviews | |||
| PriceFrom £332 | Free Cancellation | Rating 7.5 1,473 reviews | |||
| PriceFrom £372 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom £415 | Free Cancellation | Rating 7.0 514 reviews | |||
| PriceFrom £464 | Free Cancellation | Rating 7.8 1,363 reviews | |||
| PriceFrom £490 | Free Cancellation | Rating 7.4 654 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from Glasgow to Illinois?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Glasgow to Illinois for you.
Can I find flights from Glasgow to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for Glasgow to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from Glasgow to Illinois?
Once all potential Glasgow to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Glasgow to Illinois right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Glasgow to Illinois flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.