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Cheap flights from London to Illinois from £195

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 to Illinois departing on 29/4. 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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0 bags

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Cheap return flights

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Illinois.
Icelandair Logo
15:40 - 18:15LGW-ORD
32h 35m1 stop
Icelandair Logo
19:25 - 14:40ORD-LGW
13h 15m1 stop
£328Icelandair
Find Deal
Sat, 13 Sep - Sat, 27 Sep
Icelandair Logo
15:40 - 21:15LGW-ORD
11h 35m1 stop
Icelandair Logo
22:15 - 14:40ORD-LGW
10h 25m1 stop
£336Icelandair
Find Deal
Fri, 22 Aug - Fri, 5 Sep
British Airways Logo
07:40 - 14:00LHR-ORD
12h 20m1 stop
British Airways Logo
19:15 - 09:10ORD-LHR
7h 55mdirect
£415British Airways
Find Deal
Fri, 2 May - Fri, 23 May
British Airways Logo
14:25 - 17:00LHR-ORD
8h 35mdirect
British Airways Logo
17:00 - 06:55ORD-LHR
7h 55mdirect
£420British Airways
Find Deal
Thu, 24 Apr - Thu, 22 May
Lufthansa Logo
08:45 - 19:55LCY-ORD
17h 10m1 stop
Lufthansa Logo
16:00 - 18:35ORD-LCY
20h 35m1 stop
£436Lufthansa
Find Deal
Thu, 1 May - Mon, 5 May
Lufthansa Logo
08:45 - 14:45LCY-ORD
12h 00m1 stop
Lufthansa Logo
22:30 - 16:25ORD-LCY
11h 55m1 stop
£442Lufthansa
Find Deal
Wed, 23 Apr - Wed, 7 May
Finnair Logo
12:15 - 14:45LHR-ORD
8h 30mdirect
Finnair Logo
22:20 - 12:15ORD-LHR
7h 55mdirect
£456Finnair
Find Deal
Wed, 16 Apr - Wed, 30 Apr
Finnair Logo
09:15 - 11:45LHR-ORD
8h 30mdirect
Finnair Logo
16:44 - 21:40ORD-LHR
22h 56m1 stop
£480Finnair
Find Deal
Thu, 24 Apr - Wed, 21 May
Aer Lingus Logo
06:45 - 14:00LCY-ORD
13h 15m1 stop
Aer Lingus Logo
15:45 - 08:40ORD-LCY
10h 55m1 stop
£632Aer Lingus
Find Deal
Mon, 12 May - Thu, 15 May
Aer Lingus Logo
06:45 - 14:00LCY-ORD
13h 15m1 stop
Aer Lingus Logo
15:45 - 10:20ORD-LCY
12h 35m1 stop
£723Aer Lingus
Find Deal
Wed, 16 Apr - Wed, 30 Apr

SWISS flights from London to Illinois

Our best SWISS deals on London to Illinois flight tickets
SWISS
23 Apr
LGW18:35London Gatwick
27h 20m
1 stop
ORD15:55Chicago O'Hare Intl
6 May
ORD14:20Chicago O'Hare Intl
21h 30m
1 stop
LGW17:50London Gatwick
SWISS
22 Apr
LCY19:20London City
23h 25m
1 stop
ORD12:45Chicago O'Hare Intl
29 Apr
ORD18:35Chicago O'Hare Intl
11h 55m
1 stop
LCY12:30London City
SWISS
22 Apr
LCY17:50London City
28h 05m
1 stop
ORD15:55Chicago O'Hare Intl
28 Apr
ORD18:35Chicago O'Hare Intl
11h 55m
1 stop
LCY12:30London City

British Airways flights from London to Illinois

Our best British Airways deals on London to Illinois flight tickets
British Airways
2 May
LHR07:40London Heathrow
12h 20m
1 stop
ORD14:00Chicago O'Hare Intl
23 May
ORD19:15Chicago O'Hare Intl
7h 55m
LHR09:10London Heathrow
British Airways
24 Apr
LHR14:25London Heathrow
8h 35m
ORD17:00Chicago O'Hare Intl
22 May
ORD17:00Chicago O'Hare Intl
7h 55m
LHR06:55London Heathrow
British Airways
8 Sept
LHR09:50London Heathrow
11h 55m
1 stop
ORD15:45Chicago O'Hare Intl
18 Sept
ORD21:15Chicago O'Hare Intl
7h 40m
LHR10:55London Heathrow

See travel insights to Illinois from

How to get the cheapest flight ticket from London 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 London, with most prices found around £448. 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 £489.

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 £635. This is often the case because there is less demand to fly during this day of the week. Flights from London to Illinois on a Sunday will generally be more expensive and average around £690. 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 to Illinois flights are usually those with departure times in the evening. Our users have found flights to Illinois in the evening for as low as £577. In the afternoon is when there is more demand to fly to Illinois, so prices are often more expensive at around £674 per ticket.

What is the cheapest London to Illinois flight route?

Fly from London Heathrow to Chicago O'Hare Intl for the best London - Illinois flight prices

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from London when booking 14 weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around £571 when searching 14 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from London for as low as £557 on momondo.

What cabin class options are available on London to Illinois flights?

There are 4 cabin classes available to choose from on London to Illinois flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London to Illinois

Best price found

£195

Fastest flight time

8h 25m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from London in the past 72 hours is £195. The best return flight deal from London to Illinois found on momondo in the last 72 hours is £328.
The fastest flight from London to Illinois takes 8h 25m
Direct flights go from London to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)

  • When did momondo last update prices for flights from London to Illinois?

    Prices for flights from London to Illinois are refreshed on a daily basis.

  • How many operators does momondo search for flights from London to Illinois?

  • How old do you have to be to fly from London to Illinois?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The required travel and health documents for your Illinois trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Illinois. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from London to Illinois?


Best airlines flying from London to Illinois

Compare and see reviews for airlines that fly from London to Illinois with momondo
Airline
Rating
Free Cancellation
Price
IcelandairPriceFrom £324Free CancellationRating
7.0
476 reviews
Search Icelandair flights
Scandinavian AirlinesPriceFrom £367Free CancellationRating
7.3
1,328 reviews
Search Scandinavian Airlines flights
TAP AIR PORTUGALPriceFrom £381Free CancellationRating
7.1
1,834 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom £418Free CancellationRating
6.6
6,718 reviews
Search British Airways flights
Austrian AirlinesPriceFrom £422Free CancellationRating
7.5
771 reviews
Search Austrian Airlines flights
LufthansaPriceFrom £423Free CancellationRating
6.7
6,964 reviews
Search Lufthansa flights
United AirlinesPriceFrom £423Free CancellationRating
7.4
8,619 reviews
Search United Airlines flights
Virgin AtlanticPriceFrom £428Free CancellationRating
7.4
637 reviews
Search Virgin Atlantic flights
Brussels AirlinesPriceFrom £437Free CancellationRating
7.3
345 reviews
Search Brussels Airlines flights
Aer LingusPriceFrom £445Free CancellationRating
7.0
1,059 reviews
Search Aer Lingus flights

Why use momondo?

Why should I use momondo to find a flight deal from London 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 London to Illinois for you.

Can I find flights from London to Illinois with flexible booking policies on momondo?

All flight searches from London to Illinois on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from London to Illinois?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Illinois from London.

I’m not ready to book a flight from London to Illinois right now. Can momondo alert me if prices change?

Yes. momondo can track prices for London 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.


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Popular flights according to clicks in the last 7 days on momondo