Cheap flights from Illinois to London from $188
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to London departing on 7/26. 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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ITA Airways flights from Illinois to London Gatwick Airport
Our best ITA Airways deals on Illinois to London Gatwick Airport flight tickets
Icelandair flights from Illinois to London Gatwick Airport
Our best Icelandair deals on Illinois to London Gatwick Airport flight tickets
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How to get the cheapest flight ticket from Illinois to London Gatwick Airport
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 London Gatwick Airport?
In general, February is the cheapest month to fly from Illinois to London Gatwick Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $589. If you are unable to visit London Gatwick Airport during the month of February, then departing from Illinois during the month September is also very affordable. Most momondo users find prices during this month for around $650.
What is the cheapest day to depart on your flight to London Gatwick Airport?
The cheapest day to depart from Illinois to London Gatwick Airport is on a Saturday when prices can be found for as low as $648. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to London Gatwick Airport on Friday is $903.
What is the cheapest airline that flies from Illinois to London Gatwick?
TAP AIR PORTUGAL and Icelandair are the most popular carriers operating from Illinois to London Gatwick
What airlines fly to London Gatwick Airport?
Icelandair, Delta and Iberia are the top three most popular airlines that fly to London Gatwick Airport from Illinois according to our data. Icelandair is the first choice among our users, with 56% of people opting to fly with this airline when traveling to London Gatwick Airport. Keep in mind that there are 5 different airlines that fly to London Gatwick Airport on a routine basis, so you have a few additional options to choose from.
Cheap Illinois to London Gatwick Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to London Gatwick Airport
When did momondo last update prices for flights from Illinois to London Gatwick Airport?
Prices for flights from Illinois to London Gatwick Airport were last updated today.
How many operators does momondo search for flights from Illinois to London Gatwick Airport?
As of June 2025, there are 5 operators available to choose from for flights from Illinois to London Gatwick Airport.
How old do you have to be to fly from Illinois to London Gatwick Airport?
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 Illinois to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The travel and health documents you'll need for your trip to London Gatwick Airport 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 London Gatwick Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Best airlines flying from Illinois to London Gatwick Airport
Compare and see reviews for airlines that fly from Illinois to London Gatwick Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $537 | Free Cancellation | Rating 7.0 506 reviews | |||
| PriceFrom $597 | Free Cancellation | Rating 6.6 7,067 reviews | |||
| PriceFrom $606 | Free Cancellation | Rating 7.0 2,802 reviews | |||
| PriceFrom $658 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $712 | Free Cancellation | Rating 8.0 7,963 reviews |
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Why should I use momondo to find a flight deal from Illinois to London?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Illinois to London. momondo saves you time and could save you money on your trip.
Can I find flights from Illinois to London with flexible booking policies on momondo?
momondo does allow users to show only those flights to London from Illinois which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Illinois to London?
momondo helps you find the best flight between Illinois and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Illinois to London right now. Can momondo alert me if prices change?
Yes momondo offers price alerts on flights to London from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.