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 04m. 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.

£243+ 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.

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Best

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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 17 October 2026.

Sat 14/1107:15 -

3 stops26h 15m

Sat 21/1108:15 -

3 stops34h 06m

Deal found 14/10£583

Sun 15/1117:13 -

1 stop12h 27m

Tue 24/1106:30 -

2 stops16h 09m

Deal found 16/10£684

Sun 15/1113:31 -

1 stop12h 14m

Tue 24/1106:30 -

2 stops15h 48m

Deal found 13/10£685

Mon 9/1113:05 -

1 stop12h 45m

Tue 17/1106:30 -

2 stops15h 48m

Deal found 12/10£685

Mon 30/1112:30 -

1 stop12h 35m

Fri 15/106:30 -

2 stops16h 20m

Deal found 13/10£686

Wed 18/1109:30 -

2 stops15h 35m

Thu 26/1108:40 -

2 stops20h 14m

Deal found 13/10£688

Tue 29/1218:15 -

1 stop31h 30m

Wed 13/106:30 -

2 stops16h 20m

Deal found 15/10£690

Find flight deals from Midway to Heathrow

Round-trip from	£583
One-way from	£243
Popular in	June
Cheapest in	February
Average price	£655

14/11-21/11
6 total stops
60h 21m total
Chicago to London

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Virgin Atlantic
25/1-31/12
1 total stop
15h 10m total
Chicago to London

Search Deals

Highest demand for flights based on searches. 21% potential increase in price (£134 potential increase over avg. return price).

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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

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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.

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Route

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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

£247

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Mon 18/1

13:00-07:15

2 stops12h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Tue 2/2

13:00-08:05

2 stops13h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£247

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

£285

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Mon 30/11

11:27-07:45

2 stops14h 18m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£419

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Wed 6/1

13:00-08:05

2 stops13h 05m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£419

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

£419

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Tue 5/1

13:00-07:15

2 stops12h 15m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£419

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Wed 28/10

12:49-07:50

1 stop14h 01m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£456

ChicagoLondon

MDW Chicago Midway - LHR London Heathrow

MDWLHR

Chicago Midway

Tue 27/10

10:12-07:05

1 stop15h 53m

London Heathrow

Wed 31/12

00:00-17:00

Nonstop0h 00m

£456

Flights are sorted by cheapest return flights first.

Deals found on 14/10

Showing 1-10 of 23 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 04m. 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.

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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.

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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?

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Cheap flights from Chicago Midway Airport to London Heathrow Airport from £243

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/1. 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 17 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 17 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 17 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 17 October 2026.

Last-minute flights from Midway to HeathrowDiscover last-minute flight deals from Midway to Heathrow. Data last updated 17 October 2026 and is based on user searches.

Discover last-minute flight deals from Midway to Heathrow. Data last updated 17 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 17 October 2026.

Search for one-way flight options from Midway to Heathrow. Find affordable one-way fares based on user searches. Data last updated 17 October 2026.

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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

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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?

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Alternative routes for Midway to Heathrow

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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 17 October 2026.

Midway and Heathrow flights

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

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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 17 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 17 October 2026.

Last-minute flights from Midway to Heathrow
Discover last-minute flight deals from Midway to Heathrow. Data last updated 17 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 17 October 2026.