How long is the flight from Chicago Midway Airport to London Heathrow Airport?

Departing from Chicago Midway Airport to London Heathrow Airport will take you 12h 15m. Chicago Midway Airport and London Heathrow Airport are separated by a distance of 3942 mi. This flight may include one or multiple stops.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from MDW to LHR?

When flying from Chicago Midway Airport to London Heathrow Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Can I find deals for flights from Midway to Heathrow that include hotel bookings?

Yes. In addition to deals on Midway to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Midway to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Heathrow.

Can I find deals for business class flights from Midway to Heathrow?

Yes. Cheapflights offers flight deals from Midway to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£245+ Cheap Flights from Chicago Midway Airport to London Heathrow Airport

Cheap flight deals from Midway to Heathrow

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from Midway to Heathrow
Explore the most affordable flight options available from Midway to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Mon 9/1113:31 -

1 stop12h 14m

Mon 16/1117:50 -

2 stops28h 28m

Deal found 12/10£679

Tue 17/1111:27 -

2 stops14h 13m

Tue 24/1106:30 -

2 stops15h 48m

Deal found 9/10£687

Sun 8/1112:27 -

1 stop12h 38m

Tue 17/1108:40 -

2 stops15h 24m

Deal found 9/10£688

Sun 8/1113:27 -

1 stop12h 18m

Tue 17/1106:30 -

2 stops15h 48m

Deal found 9/10£689

Mon 9/1113:05 -

1 stop12h 45m

Tue 17/1106:30 -

2 stops15h 48m

Deal found 12/10£690

Mon 30/1112:30 -

1 stop12h 35m

Fri 15/106:30 -

2 stops16h 20m

Deal found 13/10£690

Sun 15/1109:30 -

2 stops15h 20m

Tue 24/1106:30 -

2 stops15h 48m

Deal found 13/10£693

Sun 6/1209:37 -

2 stops15h 13m

Tue 12/106:30 -

2 stops21h 40m

Deal found 13/10£694

Mon 9/1111:27 -

2 stops13h 23m

Wed 25/1106:20 -

2 stops17h 44m

Deal found 11/10£697

Find flight deals from Midway to Heathrow

Round-trip from	£660
One-way from	£245
Popular in	June
Cheapest in	February
Average price	£659

Virgin Atlantic
14/2-24/2
3 total stops
33h 17m total
Chicago to London

Search Deals

KLM
19/1-31/12
1 total stop
12h 15m total
Chicago to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£135 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago Midway Airport to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Sun 17/1

13:00-08:05

2 stops13h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Mon 1/2

10:35-06:50

2 stops14h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Mon 1/3

09:55-07:45

2 stops15h 50m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Mon 1/3

06:00-06:25

1 stop18h 25m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£249

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Thu 14/1

09:30-07:45

1 stop16h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£286

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Tue 1/12

09:37-06:50

2 stops15h 13m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Tue 10/11

12:30-07:05

1 stop12h 35m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Wed 2/12

11:28-07:15

2 stops13h 47m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

Fastest return journey

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Wed 18/11

13:05-06:25

1 stop11h 20m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Mon 30/11

13:31-09:55

2 stops14h 24m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£421

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Midway to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Midway with our price prediction graph.

MDW-LHR

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

How long is the flight from Chicago Midway Airport to London Heathrow Airport?
Departing from Chicago Midway Airport to London Heathrow Airport will take you 12h 15m. Chicago Midway Airport and London Heathrow Airport are separated by a distance of 3942 mi. This flight may include one or multiple stops.
Can I find deals for flights from Midway to Heathrow that include hotel bookings?
Yes. In addition to deals on Midway to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Midway to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Midway to Heathrow.
Can I find deals for business class flights from Midway to Heathrow?
Yes. Cheapflights offers flight deals from Midway to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Hounslow

Milton Keynes

Luton

Slough

Gatwick

Wembley

Hayes

Ilford

Croydon

Colchester

Northampton

Eastbourne

Brentford

Southend-on-Sea

Barnet

Enfield

Southall

Watford

Stratford-upon-Avon

Kingston upon Thames

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Heathrow flight routes

Other flight options

Popular flights

Alternative routes for Midway to Heathrow

O'Hare Intl to Heathrow flights

O'Hare Intl to Gatwick flights

O'Hare Intl to Stansted flights

O'Hare Intl to London City flights

O'Hare Intl to Luton flights

Fly with Cheapflights

How does Cheapflights help users find flights from Midway to Heathrow?

Cheapflights makes it easy to find Midway to Heathrow flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Midway to Heathrow?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Midway to Heathrow for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Midway to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Midway? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Midway to Heathrow become cheaper?

Of course! You can now track prices for flights from Midway to Heathrow and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Chicago Midway Airport to London Heathrow Airport from £245

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Midway to Heathrow

Cheapest flights from Midway to HeathrowExplore the most affordable flight options available from Midway to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Explore the most affordable flight options available from Midway to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from Midway to HeathrowDiscover carefully curated flight deals from Midway to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Discover carefully curated flight deals from Midway to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Midway to HeathrowDiscover last-minute flight deals from Midway to Heathrow. Data last updated 14 October 2026 and is based on user searches.

Discover last-minute flight deals from Midway to Heathrow. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Midway to HeathrowSearch for one-way flight options from Midway to Heathrow. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Search for one-way flight options from Midway to Heathrow. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Find flight deals from Midway to Heathrow

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chicago Midway Airport to London Heathrow Airport that are best for you.

Best time to book a flight from Midway to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Midway with our price prediction graph.

Related info for your journey

How long is the flight from Chicago Midway Airport to London Heathrow Airport?

Can I find deals for flights from Midway to Heathrow that include hotel bookings?

How can I find direct flights from Midway to Heathrow?

Can I find deals for business class flights from Midway to Heathrow?

Travelling to a place near London Heathrow Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Midway to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Heathrow by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Midway to Heathrow by cabin class

Find flights from Midway to Heathrow, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Heathrow

Explore flights to Heathrow departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.

Midway and Heathrow flights

Browse other Midway and Heathrow flight options. Last updated on 14 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Midway to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Midway to Heathrow?

Can Cheapflights find flights from Midway to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Midway to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Midway to Heathrow
Explore the most affordable flight options available from Midway to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.

Best flights from Midway to Heathrow
Discover carefully curated flight deals from Midway to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Last-minute flights from Midway to Heathrow
Discover last-minute flight deals from Midway to Heathrow. Data last updated 14 October 2026 and is based on user searches.

One-way flights from Midway to Heathrow
Search for one-way flight options from Midway to Heathrow. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.