Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Chicago from $471

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 Heathrow Airport to Chicago departing on 5/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from London Heathrow Airport to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
8:40 am - 6:40 pm
LHR
-
MDW
16h 00m
2 stops
Delta Logo
1:10 pm - 8:45 am
MDW
-
LHR
14h 35m
1 stop
$716Delta
Mon, Mar 2 - Mon, Mar 16
Virgin Atlantic Logo
6:30 am - 5:22 pm
LHR
-
MDW
15h 52m
2 stops
Virgin Atlantic Logo
10:45 am - 6:50 am
MDW
-
LHR
15h 05m
2 stops
$717Virgin Atlantic
Wed, Mar 18 - Wed, Mar 25
Virgin Atlantic Logo
11:30 am - 10:31 pm
LHR
-
MDW
17h 01m
2 stops
Virgin Atlantic Logo
10:45 am - 6:50 am
MDW
-
LHR
15h 05m
2 stops
$721Virgin Atlantic
Wed, Mar 4 - Wed, Mar 11
Virgin Atlantic Logo
11:30 am - 10:31 pm
LHR
-
MDW
17h 01m
2 stops
Virgin Atlantic Logo
10:45 am - 6:50 am
MDW
-
LHR
15h 05m
2 stops
$722Virgin Atlantic
Wed, Mar 4 - Wed, Mar 11
Delta Logo
6:30 am - 5:58 pm
LHR
-
MDW
17h 28m
2 stops
Delta Logo
12:53 pm - 6:25 am
MDW
-
LHR
11h 32m
1 stop
$731Delta
Mon, Apr 13 - Thu, Apr 23
Virgin Atlantic Logo
5:50 pm - 6:40 pm
LHR
-
MDW
30h 50m
2 stops
Virgin Atlantic Logo
2:05 pm - 7:05 am
MDW
-
LHR
12h 00m
1 stop
$732Virgin Atlantic
Sun, Mar 1 - Tue, Mar 10
Virgin Atlantic Logo
8:55 am - 5:22 pm
LHR
-
MDW
13h 27m
1 stop
Virgin Atlantic Logo
9:30 am - 7:05 am
MDW
-
LHR
16h 35m
1 stop
$733Virgin Atlantic
Mon, Mar 9 - Mon, Mar 23
Virgin Atlantic Logo
8:55 am - 5:45 pm
LHR
-
MDW
14h 50m
1 stop
Virgin Atlantic Logo
2:05 pm - 7:05 am
MDW
-
LHR
12h 00m
1 stop
$734Virgin Atlantic
Mon, Mar 2 - Mon, Mar 16
Virgin Atlantic Logo
10:45 am - 5:45 pm
LHR
-
MDW
13h 00m
1 stop
Virgin Atlantic Logo
1:10 pm - 8:45 am
MDW
-
LHR
14h 35m
1 stop
$737Virgin Atlantic
Tue, Mar 3 - Sun, Mar 8
Virgin Atlantic Logo
6:15 am - 4:29 pm
LHR
-
MDW
16h 14m
2 stops
Virgin Atlantic Logo
1:23 pm - 8:50 am
MDW
-
LHR
13h 27m
2 stops
$738Virgin Atlantic
Wed, Apr 15 - Mon, Apr 20

Air France flights from London Heathrow Airport to Chicago Midway Airport

Our best Air France deals on London Heathrow Airport to Chicago Midway Airport flight tickets
Air France
Apr 15
LHR12:25 pmLondon Heathrow
12h 11m
1 stop
MDW6:36 pmChicago Midway
Apr 22
MDW12:53 pmChicago Midway
11h 32m
1 stop
LHR6:25 amLondon Heathrow
$777
Air France
Apr 15
LHR9:20 amLondon Heathrow
13h 09m
1 stop
MDW4:29 pmChicago Midway
Apr 30
MDW12:53 pmChicago Midway
11h 32m
1 stop
LHR6:25 amLondon Heathrow
$783
Air France
Apr 16
LHR9:20 amLondon Heathrow
13h 09m
1 stop
MDW4:29 pmChicago Midway
Apr 23
MDW12:53 pmChicago Midway
11h 32m
1 stop
LHR6:25 amLondon Heathrow
$791

KLM flights from London Heathrow Airport to Chicago Midway Airport

Our best KLM deals on London Heathrow Airport to Chicago Midway Airport flight tickets
KLM
Mar 2
LHR11:05 amLondon Heathrow
13h 35m
1 stop
MDW6:40 pmChicago Midway
Mar 10
MDW2:05 pmChicago Midway
12h 00m
1 stop
LHR7:05 amLondon Heathrow
$734
KLM
Mar 4
LHR10:45 amLondon Heathrow
13h 00m
1 stop
MDW5:45 pmChicago Midway
Mar 10
MDW2:05 pmChicago Midway
12h 00m
1 stop
LHR7:05 amLondon Heathrow
$749
KLM
Apr 13
LHR12:25 pmLondon Heathrow
12h 11m
1 stop
MDW6:36 pmChicago Midway
Apr 23
MDW7:16 pmChicago Midway
11h 49m
1 stop
LHR1:05 pmLondon Heathrow
$750

momondo Fare Finder

 
Customize your flight search to find flights from London Heathrow Airport to Chicago Midway Airport 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, momondo users made 832,500 searches. Data last updated February 3, 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Chicago Midway Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 3/2

8:40 am-6:40 pm

2 stops16h 00m

Chicago Midway

Mon 3/16

1:10 pm-8:45 am

1 stop14h 35m

$716

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 3/18

6:30 am-5:22 pm

2 stops15h 52m

Chicago Midway

Wed 3/25

10:45 am-6:50 am

2 stops15h 05m

$717

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 3/4

11:30 am-10:31 pm

2 stops17h 01m

Chicago Midway

Wed 3/11

10:45 am-6:50 am

2 stops15h 05m

$721

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 3/4

11:30 am-10:31 pm

2 stops17h 01m

Chicago Midway

Wed 3/11

10:45 am-6:50 am

2 stops15h 05m

$722

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 4/13

6:30 am-5:58 pm

2 stops17h 28m

Chicago Midway

Thu 4/23

12:53 pm-6:25 am

1 stop11h 32m

$731

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Sun 3/1

5:50 pm-6:40 pm

2 stops30h 50m

Chicago Midway

Tue 3/10

2:05 pm-7:05 am

1 stop12h 00m

$732

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 3/9

8:55 am-5:22 pm

1 stop13h 27m

Chicago Midway

Mon 3/23

9:30 am-7:05 am

1 stop16h 35m

$733

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 3/2

8:55 am-5:45 pm

1 stop14h 50m

Chicago Midway

Mon 3/16

2:05 pm-7:05 am

1 stop12h 00m

$734

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Tue 3/3

10:45 am-5:45 pm

1 stop13h 00m

Chicago Midway

Sun 3/8

1:10 pm-8:45 am

1 stop14h 35m

$737

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 4/15

6:15 am-4:29 pm

2 stops16h 14m

Chicago Midway

Mon 4/20

1:23 pm-8:50 am

2 stops13h 27m

$738

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chicago from

How to get the cheapest flight ticket from London Heathrow Airport to Chicago Midway 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 Chicago Midway Airport?

The month of February is, on average, the cheapest month to fly to Chicago Midway Airport from London Heathrow Airport, with most prices found around $597. If you are unable to visit Chicago Midway Airport during the month of February, then departing from London Heathrow Airport during the month March is also very affordable. Most momondo users find prices during this month for around $609.

When to book flights from London Heathrow Airport to Chicago Midway Airport

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Chicago Midway Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap London Heathrow Airport to Chicago Midway Airport (LHR to MDW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Chicago Midway Airport

Fastest flight time

12h 11m

Direct flights

None
The fastest flight from London Heathrow Airport to Chicago Midway Airport takes 12h 11m
There are no direct flights from London Heathrow Airport to Chicago Midway Airport. There are no popular flight routes from London Heathrow Airport to Chicago Midway Airport.
Search flight deals

  • How far is London Heathrow to Chicago Midway by plane?

    A flight from London Heathrow to Chicago Midway will travel around 3942.1 mi. A reasonable flight in good conditions will take 12h 11m.

  • When did momondo last update prices for flights from London Heathrow Airport to Chicago Midway Airport?

    Prices for flights from London Heathrow Airport to Chicago Midway Airport are updated daily.

  • How old do you have to be to fly from London Heathrow Airport to Chicago Midway Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Chicago Midway Airport.

  • What documentation or ID do you need to fly to Chicago Midway Airport?

    The necessary travel and health documents for your Chicago Midway Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Merrillville
New Buffalo
Hammond
Benton Harbor
Saint Joseph
Portage
Lansing
Schererville
Valparaiso
Munster
Crown Point
Chesterton
Monticello
Porter
Griffith
Saint John

Why use momondo?

Why should I use momondo to find a flight deal from London to Chicago?

Finding the right flight to Chicago from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Chicago quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Chicago from London which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between London and Chicago 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 London to Chicago right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Chicago from London. 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.

An easier way to manage your Chicago Midway Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 3/5
Thu 3/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago