Cheap flights from Illinois to London from £146
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 17/9. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
How far in advance should I book a flight from Illinois to London?
When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 11 days in advance, which can save you up to 3% on flights from Illinois to London compared to booking the week you need them. Waiting 11 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £510. For sooner than that we have options available in the next 3 days from £525.
What is the cheapest month to fly from Illinois to London?
Flights from Illinois to London lean towards being more expensive in June. Prices are generally better when you fly from Illinois to London in February, with the cheapest ticket starting at £343.
When is the cheapest time to fly from Illinois to London (IL - LON)?
When flying from Illinois to London, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
Cheap Scandinavian Airlines flights from Illinois to London
Explore cheap flight options specifically provided by Scandinavian Airlines for the route between Illinois and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Take a look at some of the lowest-priced Scandinavian Airlines flights heading from Illinois to London. Be sure to come back soon if the deals available don't appeal to you at this time.
Cheap Icelandair flights from Illinois to London
Explore cheap flight options specifically provided by Icelandair for the route between Illinois and London. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Browse through some of the cheapest Icelandair flights travelling from Illinois to London. Check back soon if you're not seeing flights that suit your needs.
Cheap Illinois to London flights in May & June 2024
Find cheap flight options from Illinois to London specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 835,321 searches. Prices were last updated on 18 May 2024.
Check out some of the best flight deals from Illinois to London in 2024. For more flight deals, be sure to check back very soon.
Illinois to London 2024 flight deals
Discover exclusive flight deals for travel between Illinois and London in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Check out some of the best flight deals from Illinois to London in 2024. For more flight deals, be sure to check back very soon.
Direct flights to London from Illinois
Discover direct flight options from Illinois to London. Find direct flights with no stopovers, providing a convenient travel experience. Explore direct flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
For a quicker trip, book one of these direct flights from Illinois to London. Users seeking other options on flights from Illinois to London should update the search form at the top of the page.
Illinois to London flights leaving soon
Find last-minute flight options from Illinois to London for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Users seeking a last-minute flight from Illinois to London should consider booking one of these fares. Users should be sure to double check the price, date, and time of their last-minute flight.
One-way flights to London from Illinois
Search for one-way flight options from Illinois to London. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Take a look at some of the best available options we've come across on one-way flights from Illinois to London. Those seeking round-trip flights from Illinois to London should utilise the search form at the top of the page.
Find flights from Illinois to London within your budget
Customise your flight search to find flights from Illinois to London that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Fly from
Fly to
Budget
£385 - £456
Route
Depart
Return
Price
Chicago O'Hare IntlLondon Gatwick
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Wed 6/11
1 stop13h 50m
London Gatwick
Tue 12/11
1 stop28h 55m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Fri 8/11
2 stops31h 25m
London Heathrow
Mon 11/11
1 stop17h 25m
Lambert-St LouisLondon Gatwick
STL - LGW
STLLGW
Lambert-St Louis
Tue 17/9
1 stop13h 25m
London Gatwick
Tue 24/9
1 stop28h 46m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Mon 19/8
1 stop16h 05m
London Heathrow
Sun 25/8
1 stop29h 50m
Chicago O'Hare IntlLondon Gatwick
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Sun 11/8
1 stop14h 05m
London Gatwick
Wed 21/8
1 stop31h 05m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 25/9
Nonstop7h 50m
London Heathrow
Thu 3/10
Nonstop8h 40m
Chicago O'Hare IntlLondon Gatwick
ORD - LGW
ORDLGW
Chicago O'Hare Intl
Tue 24/9
1 stop14h 00m
London Gatwick
Wed 9/10
1 stop15h 00m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Mon 28/10
Nonstop7h 40m
London Heathrow
Tue 5/11
1 stop14h 05m
Chicago O'Hare IntlLondon Heathrow
ORD - LHR
ORDLHR
Chicago O'Hare Intl
Wed 6/11
Nonstop7h 40m
London Heathrow
Fri 15/11
1 stop14h 00m
No data available for this route at this time. Please check back soon.
Reviews of airlines servicing London
Get insights into the airlines that provide service to London. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to London. Reviews last updated 18 May 2024.
See what other customers who have flown with Scandinavian Airlines, Icelandair and British Airways from Illinois to London have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Boarding
Comfort
Overall
Crew
Food
Entertainment
Reviews
Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.
Related info for your journey
Find useful and relevant information for your journey from Illinois to London. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Illinois to LondonSee prices for flight routes from nearby airports that may be better suited for you.
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from Illinois to London
Discover the top 10 airlines that operate flights from Illinois to London. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 835,321 searches. Data last updated 18 May 2024.
Search flights from Illinois to London by cabin class
Find flights from Illinois to London, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Hourly flight availability from Illinois to London
Find hourly flight availability from Illinois to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 May 2024.
| 1%of flight departures | Early morningMidnight to 6 am |
|---|---|
| 10%of flight departures | Morning6 am to noon |
| 49%of flight departures | AfternoonNoon to 6 pm |
| 40%of flight departures | Evening6 pm to midnight |
Book a flight to one of these trending destinations
User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
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How does Cheapflights help users find flights from Illinois to London?
Cheapflights helps you search for flights from Illinois to London via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Illinois to London?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Illinois to London for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Illinois to London with no change fees?
Certainly. Search results for flights to London 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 London become cheaper?
Yes, Cheapflights offers price alerts on Illinois to London 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.