Cheap flights from London Gatwick Airport to Illinois from £223
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Illinois departing on 9/6. 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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How to get the cheapest flight ticket from London Gatwick 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 January is, on average, the cheapest month to fly to Illinois from London Gatwick Airport, with most prices found around £397. If you aren’t able to travel to Illinois during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of £409.
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 £479. This is often the case because there is less demand to fly during this day of the week. Flights from London Gatwick Airport to Illinois on a Friday will generally be more expensive and average around £546. 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 London Gatwick 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 £506. In the evening is when there is more demand to fly to Illinois, so prices are often more expensive at around £620 per ticket.
How far in advance should I book a flight to Illinois?
You are more likely to see cheaper flights to Illinois from London Gatwick Airport when booking 12 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around £508 when searching 12 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from London Gatwick Airport for as low as £330 on momondo.
Cheap London Gatwick Airport to Illinois flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Illinois
When did momondo last update prices for flights from London Gatwick Airport to Illinois?
Prices for flights from London Gatwick Airport to Illinois refresh daily.
How many operators does momondo search for flights from London Gatwick Airport to Illinois?
There are 2 operators available for flights from London Gatwick Airport to Illinois as of April 2025.
How old do you have to be to fly from London Gatwick Airport to Illinois?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from London Gatwick Airport to Illinois
Compare and see reviews for airlines that fly from London Gatwick Airport to Illinois with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom £315 | Free Cancellation | Rating 7.0 484 reviews | |||
| PriceFrom £417 | Free Cancellation | Rating 6.6 6,806 reviews |
Why use momondo?
Why should I use momondo to find a flight deal from London to Illinois?
It is quick and easy to find London to Illinois flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Illinois that suits you.
Can I find flights from London to Illinois with flexible booking policies on momondo?
Yes. momondo allows you to filter the results for London to Illinois flights to just show those with flexible booking policies.
How can momondo help me find flights from London to Illinois?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from London to Illinois.
I’m not ready to book a flight from London to Illinois right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of London to Illinois flights. All you need is a valid email address and we will do the rest; it is that quick and easy.