Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from London Heathrow Airport to Chicago from $551

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 11/3. 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

Virgin Atlantic Logo
10:45 am - 11:32 pmLHR-MDW
18h 47m1 stop
Virgin Atlantic Logo
12:47 pm - 6:25 amMDW-LHR
11h 38m1 stop
$583Virgin Atlantic
Find Deal
Tue, Nov 11 - Tue, Nov 18
Virgin Atlantic Logo
11:45 am - 6:35 pmLHR-MDW
12h 50m1 stop
Virgin Atlantic Logo
7:15 pm - 1:10 pmMDW-LHR
11h 55m1 stop
$586Virgin Atlantic
Find Deal
Sat, Sep 13 - Sat, Sep 20
Virgin Atlantic Logo
6:30 am - 11:32 pmLHR-MDW
23h 02m2 stops
Virgin Atlantic Logo
9:41 am - 7:05 amMDW-LHR
15h 24m1 stop
$587Virgin Atlantic
Find Deal
Sun, Nov 23 - Sun, Nov 30
Virgin Atlantic Logo
9:20 am - 4:09 pmLHR-MDW
12h 49m1 stop
Virgin Atlantic Logo
7:10 pm - 1:10 pmMDW-LHR
12h 00m1 stop
$588Virgin Atlantic
Find Deal
Thu, Oct 9 - Mon, Oct 13
KLM Logo
11:45 am - 6:35 pmLHR-MDW
12h 50m1 stop
KLM Logo
7:15 pm - 1:10 pmMDW-LHR
11h 55m1 stop
$607KLM
Find Deal
Thu, Sep 18 - Mon, Sep 22
Delta Logo
8:40 am - 6:25 pmLHR-MDW
15h 45m2 stops
Delta Logo
7:10 pm - 1:10 pmMDW-LHR
12h 00m1 stop
$621Delta
Find Deal
Mon, Oct 6 - Mon, Oct 13
Delta Logo
9:20 am - 4:09 pmLHR-MDW
12h 49m1 stop
Delta Logo
1:48 pm - 1:10 pmMDW-LHR
17h 22m1 stop
$631Delta
Find Deal
Thu, Oct 9 - Mon, Oct 13
KLM Logo
8:40 am - 6:37 pmLHR-MDW
15h 57m2 stops
KLM Logo
10:35 am - 6:45 amMDW-LHR
14h 10m1 stop
$641KLM
Find Deal
Wed, Sep 10 - Wed, Sep 17
Air France Logo
6:15 am - 5:35 pmLHR-MDW
17h 20m2 stops
Air France Logo
10:47 am - 7:50 amMDW-LHR
15h 03m1 stop
$646Air France
Find Deal
Thu, Sep 11 - Sun, Nov 9
Air France Logo
11:05 am - 6:18 pmLHR-MDW
13h 13m1 stop
Air France Logo
2:00 pm - 7:05 amMDW-LHR
11h 05m1 stop
$648Air France
Find Deal
Wed, Nov 19 - Fri, Dec 12

Virgin Atlantic flights from London Heathrow Airport to Chicago Midway Airport

Our best Virgin Atlantic deals on London Heathrow Airport to Chicago Midway Airport flight tickets
Virgin Atlantic
Nov 11
LHR10:45 amLondon Heathrow
18h 47m
1 stop
MDW11:32 pmChicago Midway
Nov 18
MDW12:47 pmChicago Midway
11h 38m
1 stop
LHR6:25 amLondon Heathrow
$583
Find similar
Virgin Atlantic
Sep 13
LHR11:45 amLondon Heathrow
12h 50m
1 stop
MDW6:35 pmChicago Midway
Sep 20
MDW7:15 pmChicago Midway
11h 55m
1 stop
LHR1:10 pmLondon Heathrow
$586
Find similar
Virgin Atlantic
Nov 23
LHR6:30 amLondon Heathrow
23h 02m
2 stops
MDW11:32 pmChicago Midway
Nov 30
MDW9:41 amChicago Midway
15h 24m
1 stop
LHR7:05 amLondon Heathrow
$587
Find similar

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
Sep 11
LHR6:15 amLondon Heathrow
17h 20m
2 stops
MDW5:35 pmChicago Midway
Nov 9
MDW10:47 amChicago Midway
15h 03m
1 stop
LHR7:50 amLondon Heathrow
$646
Find similar
Air France
Nov 19
LHR11:05 amLondon Heathrow
13h 13m
1 stop
MDW6:18 pmChicago Midway
Dec 12
MDW2:00 pmChicago Midway
11h 05m
1 stop
LHR7:05 amLondon Heathrow
$648
Find similar
Air France
Oct 7
LHR11:45 amLondon Heathrow
12h 40m
1 stop
MDW6:25 pmChicago Midway
Oct 22
MDW10:35 amChicago Midway
14h 10m
1 stop
LHR6:45 amLondon Heathrow
$656
Find similar

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 August 26, 2025.
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

Tue 11/11

10:45 am-11:32 pm

1 stop18h 47m

Chicago Midway

Tue 11/18

12:47 pm-6:25 am

1 stop11h 38m

$583

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Sat 9/13

11:45 am-6:35 pm

1 stop12h 50m

Chicago Midway

Sat 9/20

7:15 pm-1:10 pm

1 stop11h 55m

$586

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Sun 11/23

6:30 am-11:32 pm

2 stops23h 02m

Chicago Midway

Sun 11/30

9:41 am-7:05 am

1 stop15h 24m

$587

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Thu 10/9

9:20 am-4:09 pm

1 stop12h 49m

Chicago Midway

Mon 10/13

7:10 pm-1:10 pm

1 stop12h 00m

$588

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Thu 9/18

11:45 am-6:35 pm

1 stop12h 50m

Chicago Midway

Mon 9/22

7:15 pm-1:10 pm

1 stop11h 55m

$607

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Mon 10/6

8:40 am-6:25 pm

2 stops15h 45m

Chicago Midway

Mon 10/13

7:10 pm-1:10 pm

1 stop12h 00m

$621

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Thu 10/9

9:20 am-4:09 pm

1 stop12h 49m

Chicago Midway

Mon 10/13

1:48 pm-1:10 pm

1 stop17h 22m

$631

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 9/10

8:40 am-6:37 pm

2 stops15h 57m

Chicago Midway

Wed 9/17

10:35 am-6:45 am

1 stop14h 10m

$641

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Thu 9/11

6:15 am-5:35 pm

2 stops17h 20m

Chicago Midway

Sun 11/9

10:47 am-7:50 am

1 stop15h 03m

$646

LondonChicago

LHR - MDW

LHRMDW

London Heathrow

Wed 11/19

11:05 am-6:18 pm

1 stop13h 13m

Chicago Midway

Fri 12/12

2:00 pm-7:05 am

1 stop11h 05m

$648

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 March is, on average, the cheapest month to fly to Chicago Midway Airport from London Heathrow Airport, with most prices found around $609. If you are unable to visit Chicago Midway Airport during the month of March, then departing from London Heathrow Airport during the month February is also very affordable. Most momondo users find prices during this month for around $630.

What is the cheapest time of day to depart on your flight to Chicago Midway Airport?

Flying to Chicago Midway Airport from London Heathrow Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $768 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $804. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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 11h 34m.

  • 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
Lansing
Portage
Schererville
Valparaiso
Crown Point
Munster
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
Sun 8/31
Sun 9/7
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Chicago