Cheap flights from Illinois to London Heathrow Airport from $335
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 Heathrow Airport departing on 7/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
Round-trip
1 adult
Economy
0 bags
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Thu 5/2
Thu 5/9
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Below you can see the best fares for your round-trip flight route over the next six months. All fares were found on momondo this week. Browse the quickest and cheapest flights from Illinois to London Heathrow Airport by changing tabs
Virgin Atlantic![Virgin Atlantic]()
May 8![Virgin Atlantic]()
May 15
MDW2:15 pmChicago Midway
11h 00m
1 stop
LHR7:15 amLondon Heathrow
LHR1:55 pmLondon Heathrow
14h 06m
1 stop
MDW10:01 pmChicago Midway
Scandinavian Airlines![Scandinavian Airlines]()
May 2![Scandinavian Airlines]()
May 9
ORD7:45 pmChicago O'Hare Intl
19h 35m
2 stops
LHR9:20 pmLondon Heathrow
LHR9:55 amLondon Heathrow
14h 00m
1 stop
ORD5:55 pmChicago O'Hare Intl
Delta![Delta]()
May 1![Delta]()
May 8
ORD10:55 amChicago O'Hare Intl
13h 25m
1 stop
LHR6:20 amLondon Heathrow
LHR6:15 amLondon Heathrow
16h 18m
2 stops
ORD4:33 pmChicago O'Hare Intl
Multiple Airlines![Multiple Airlines]()
Oct 9![Multiple Airlines]()
Oct 23
STL7:10 amLambert-St Louis
28h 30m
2 stops
LHR5:40 pmLondon Heathrow
LHR6:40 amLondon Heathrow
22h 55m
2 stops
STL11:35 pmLambert-St Louis
Aer Lingus![Aer Lingus]()
May 1![Aer Lingus]()
May 5
ORD8:55 pmChicago O'Hare Intl
10h 30m
1 stop
LHR1:25 pmLondon Heathrow
LHR6:45 amLondon Heathrow
13h 15m
1 stop
ORD2:00 pmChicago O'Hare Intl
Find the cheapest one-way flights from Illinois to London Heathrow Airport
If you're looking for one-way flights from Illinois to London Heathrow Airport, view some of our deals below provided by British Airways, Iberia and Icelandair
Search last-minute flights to London Heathrow Airport from Illinois
Find and compare round-trip flight prices for your last-minute flight from Illinois to London Heathrow Airport
Scandinavian Airlines![Scandinavian Airlines]()
May 3![Scandinavian Airlines]()
May 5
ORD7:45 pmChicago O'Hare Intl
14h 15m
1 stop
LHR4:00 pmLondon Heathrow
LHR3:35 pmLondon Heathrow
32h 20m
2 stops
ORD5:55 pmChicago O'Hare Intl
United Airlines![United Airlines]()
May 3![United Airlines]()
May 5
ORD9:35 pmChicago O'Hare Intl
8h 10m
LHR11:45 amLondon Heathrow
LHR8:40 amLondon Heathrow
13h 25m
1 stop
ORD4:05 pmChicago O'Hare Intl
Delta![Delta]()
May 6![Delta]()
May 15
ORD6:43 pmChicago O'Hare Intl
10h 27m
1 stop
LHR11:10 amLondon Heathrow
LHR6:15 amLondon Heathrow
14h 45m
1 stop
ORD3:00 pmChicago O'Hare Intl
KLM![KLM]()
May 2![KLM]()
May 10
ORD1:23 pmChicago O'Hare Intl
11h 22m
1 stop
LHR6:45 amLondon Heathrow
LHR8:40 amLondon Heathrow
11h 40m
1 stop
ORD2:20 pmChicago O'Hare Intl
Austrian Airlines![Austrian Airlines]()
May 2![Austrian Airlines]()
May 5
ORD1:23 pmChicago O'Hare Intl
37h 57m
2 stops
LHR9:20 amLondon Heathrow
LHR9:05 amLondon Heathrow
34h 15m
1 stop
ORD1:20 pmChicago O'Hare Intl
Best airlines flying from Illinois to London Heathrow Airport
Compare and see reviews for airlines that fly from Illinois to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $253 | Free Cancellation | Rating 7.0 7,740 reviews | |||
| PriceFrom $414 | Free Cancellation | Rating 7.4 1,429 reviews | |||
| PriceFrom $451 | Free Cancellation | Rating 8.0 10,951 reviews | |||
| PriceFrom $503 | Free Cancellation | Rating 7.1 1,344 reviews | |||
| PriceFrom $511 | Free Cancellation | Rating 7.1 2,177 reviews | |||
| PriceFrom $531 | Free Cancellation | Rating 7.2 1,348 reviews | |||
| PriceFrom $572 | Free Cancellation | Rating 7.4 11,228 reviews | |||
| PriceFrom $573 | Free Cancellation | Rating 7.0 6,868 reviews | |||
| PriceFrom $581 | Free Cancellation | Rating 7.1 2,764 reviews | |||
| PriceFrom $583 | Free Cancellation | Rating 7.7 746 reviews |
Scandinavian Airlines flights from Illinois to London Heathrow Airport
Our best Scandinavian Airlines deals on Illinois to London Heathrow Airport flight tickets
Scandinavian Airlines![Scandinavian Airlines]()
May 3![Scandinavian Airlines]()
May 5
ORD7:45 pmChicago O'Hare Intl
14h 15m
1 stop
LHR4:00 pmLondon Heathrow
LHR3:35 pmLondon Heathrow
32h 20m
2 stops
ORD5:55 pmChicago O'Hare Intl
Scandinavian Airlines![Scandinavian Airlines]()
May 3![Scandinavian Airlines]()
May 5
ORD7:45 pmChicago O'Hare Intl
14h 15m
1 stop
LHR4:00 pmLondon Heathrow
LHR3:35 pmLondon Heathrow
32h 20m
2 stops
ORD5:55 pmChicago O'Hare Intl
Aer Lingus flights from Illinois to London Heathrow Airport
Our best Aer Lingus deals on Illinois to London Heathrow Airport flight tickets
Aer Lingus![Aer Lingus]()
May 1![Aer Lingus]()
May 5
ORD8:55 pmChicago O'Hare Intl
10h 30m
1 stop
LHR1:25 pmLondon Heathrow
LHR6:45 amLondon Heathrow
13h 15m
1 stop
ORD2:00 pmChicago O'Hare Intl
Aer Lingus![Aer Lingus]()
May 4![Aer Lingus]()
May 7
ORD8:55 pmChicago O'Hare Intl
29h 05m
1 stop
LHR8:00 amLondon Heathrow
LHR6:45 amLondon Heathrow
13h 15m
1 stop
ORD2:00 pmChicago O'Hare Intl
How to get the cheapest flight ticket from Illinois to London Heathrow 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 airline that flies to London Heathrow Airport from Illinois?
Scandinavian Airlines. Air Canada, Iberia, and Icelandair are the most popular carriers operating from Illinois to London Heathrow Airport
What cabin class options are available on Illinois to London Heathrow Airport flights?
There are 3 cabin classes available to choose from on Illinois to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Illinois to London Heathrow Airport flights?
You could potentially save up to 14% on your flight if you consider stops on a Illinois to London Heathrow Airport flight.
Cheap Illinois to London Heathrow Airport flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to London Heathrow Airport
Best Price Found | $335 |
|---|---|
Fastest flight time | 7h 40m |
Direct flights | Every day |
When did momondo last update prices for flights from Illinois to London Heathrow Airport?
Prices for flights from Illinois to London Heathrow Airport were last updated today.
How many operators does momondo search for flights from Illinois to London Heathrow Airport?
As of April 2024, there are 17 operators available to choose from for flights from Illinois to London Heathrow Airport.
How old do you have to be to fly from Illinois to London Heathrow 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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow 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 Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
Why use momondo?
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?
Yes. momondo allows you to filter the results for Illinois to London flights to just show those with flexible booking policies.
How can momondo help me find flights from Illinois to London?
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 London from Illinois.
I’m not ready to book a flight from Illinois to London right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Illinois to London 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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