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Cheap flights from Mexico City to London Heathrow Airport from C$ 572

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — LHR
15 Oct — 22 Oct1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Mexico City Benito Juarez to London Heathrow are usually found in November or February, booked 87 days in advance, depart on a Thursday or Monday and return on a Thursday

Cheap flight deals from Mexico City to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Mexico City (MEX) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 September 2025.

Round-trip from

C$ 1,230

One-way from

C$ 572

Popular in

July

Cheapest in

November

Average price

C$ 1,586

Good one-way deal

C$ 2,807 or less
British Airways
  • British Airways
  • 26/2-2/3
  • 1 total stop
  • 25h 50m total
  • Mexico City to London
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British Airways
  • British Airways
  • 5/12
  • Nonstop
  • 10h 10m total
  • Mexico City to London
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Highest demand for flights based on searches. 10% potential increase in price (C$ 246 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 54 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a one-way flight from Mexico City Benito Juarez to London Heathrow.
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Find flight deals from Mexico City to Heathrow

Cheapest flights from Mexico City to Heathrow
Explore the most affordable flight options available from Mexico City to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 September 2025.

Thu 20/112:55 p.m.MEX - LHR
1 stop15h 10mBritish Airways
Fri 28/1112:10 p.m.LHR - MEX
1 stop15h 05mBritish Airways
Deal found 15/9C$ 1,236
Thu 6/1112:30 p.m.MEX - LHR
1 stop15h 30mBritish Airways
Sat 28/33:00 p.m.LHR - MEX
1 stop23h 55mBritish Airways
Deal found 14/9C$ 1,237
Wed 12/119:00 p.m.MEX - LHR
Nonstop10h 10mBritish Airways
Fri 28/1112:45 p.m.LHR - MEX
Nonstop12h 00mBritish Airways
Deal found 15/9C$ 1,239
Mon 1/129:00 p.m.MEX - LHR
Nonstop10h 10mBritish Airways
Mon 8/1211:55 a.m.LHR - MEX
1 stop16h 00mBritish Airways
Deal found 14/9C$ 1,240
Sun 2/1111:20 a.m.MEX - LHR
1 stop16h 40mBritish Airways
Sun 29/310:05 a.m.LHR - MEX
1 stop15h 15mBritish Airways
Deal found 14/9C$ 1,242
Fri 21/119:00 p.m.MEX - LHR
Nonstop10h 10mBritish Airways
Fri 28/1112:10 p.m.LHR - MEX
1 stop15h 05mBritish Airways
Deal found 13/9C$ 1,243
Tue 11/1111:20 a.m.MEX - LHR
1 stop15h 15mBritish Airways
Tue 31/33:10 p.m.LHR - MEX
Nonstop11h 35mBritish Airways
Deal found 14/9C$ 1,246
Fri 28/1112:50 p.m.MEX - LHR
1 stop13h 35mBritish Airways
Tue 30/124:30 p.m.LHR - MEX
1 stop23h 25mBritish Airways
Deal found 15/9C$ 1,248
Fri 31/1011:30 a.m.MEX - LHR
2 stops17h 45mFinnair
Sat 28/33:00 p.m.LHR - MEX
1 stop33h 20mFinnair
Deal found 14/9C$ 1,251
Sat 22/119:00 p.m.MEX - LHR
Nonstop10h 10mBritish Airways
Sun 30/1112:45 p.m.LHR - MEX
Nonstop12h 00mBritish Airways
Deal found 14/9C$ 1,255
Fri 14/119:00 p.m.MEX - LHR
Nonstop10h 10mBritish Airways
Tue 18/117:05 p.m.LHR - MEX
1 stop16h 05mBritish Airways
Deal found 14/9C$ 1,257

Cheapflights Fare Finder

 
Customize your flight search to find flights from Mexico City to Heathrow 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, Cheapflights users made 629,999 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Mexico City to London Heathrow Airport that are best for you.

Fly from

Mexico City

Fly to

Heathrow

Route

Depart

Return

Price

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 20/11

2:55 p.m.-12:05 p.m.

1 stop15h 10m

London Heathrow

Fri 28/11

10:35 a.m.-9:15 p.m.

1 stop16h 40m

C$ 1,236

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Mon 17/11

9:00 p.m.-1:10 p.m.

Nonstop10h 10m

London Heathrow

Fri 28/11

12:45 p.m.-6:45 p.m.

Nonstop12h 00m

C$ 1,239

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sun 1/3

9:00 p.m.-1:10 p.m.

Nonstop10h 10m

London Heathrow

Thu 30/4

3:10 p.m.-7:45 p.m.

Nonstop11h 35m

C$ 1,265

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 29/10

9:00 p.m.-1:10 p.m.

Nonstop10h 10m

London Heathrow

Sat 8/11

10:05 a.m.-7:35 p.m.

1 stop15h 30m

C$ 1,271

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 19/11

12:25 a.m.-8:00 p.m.

1 stop13h 35m

London Heathrow

Fri 28/11

8:20 a.m.-7:35 p.m.

1 stop17h 15m

C$ 1,273

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sun 9/11

9:00 p.m.-1:10 p.m.

Nonstop10h 10m

London Heathrow

Tue 25/11

9:45 a.m.-9:15 p.m.

1 stop17h 30m

C$ 1,273

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Tue 21/10

10:00 p.m.-3:30 p.m.

Nonstop10h 30m

London Heathrow

Tue 28/10

10:05 a.m.-8:49 p.m.

1 stop16h 44m

C$ 1,279

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 5/11

2:55 p.m.-12:05 p.m.

1 stop15h 10m

London Heathrow

Fri 21/11

12:45 p.m.-6:45 p.m.

Nonstop12h 00m

C$ 1,279

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 5/12

9:00 p.m.-1:10 p.m.

Nonstop10h 10m

C$ 572

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sat 6/12

9:00 p.m.-1:10 p.m.

Nonstop10h 10m

C$ 572

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

Showing 1-10 of 15 results
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Best time to book a flight from Mexico City to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Mexico City with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Mexico City to London Heathrow Airport

How far ahead should I book a flight from Mexico City to London Heathrow Airport?

Use this chart to determine the optimal time to book a round-trip flight from Mexico City to Heathrow. Price data was last updated on 12 September 2025.

To ensure you get the cheapest price possible for a flight from Mexico City to London Heathrow Airport, you should look to book at least 87 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Mexico City to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Mexico City to London Heathrow Airport (average of C$ 560). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Find hourly flight availability from Mexico City to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 September 2025.

When flying from Mexico City 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.

How much does it cost to fly round-trip from Mexico City to London Heathrow Airport?

Related info for your journey

Find useful and relevant information for your journey from Mexico City to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Mexico City to London Heathrow?

    Most people fly from Mexico City Benito Juarez (MEX) if they book a flight from Mexico City to London Heathrow. On average, Benito Juarez has 3 outbound flights to London Heathrow per day from 0 airlines. Mexico City Benito Juarez is conveniently located just 8.9 km from Mexico City’s city centre.

  • How long is the flight from Mexico City to London Heathrow Airport?

    Departing from Mexico City to London Heathrow Airport will take you 15h 10m. There are 8898 km between Mexico City and London Heathrow Airport.

  • What are the most reliable airlines from Mexico City to London Heathrow Airport?

    The top 3 most reliable airlines when flying from Mexico City to London Heathrow Airport are Iberia (74%), British Airways (72%) and Virgin Atlantic (67%).

  • What are the cheapest flights from Mexico City to London Heathrow Airport?

    Looking at all options, your cheapest flight can be booked for C$ 2,807. While the most popular route (Mexico City Benito Juarez - London Heathrow) can be booked for C$ 1,219 on average, our data indicates C$ 2,807 when flying from Mexico City to London Heathrow Airport.

  • Can I find deals for flights from Mexico City to Heathrow that include hotel bookings?

    Yes. In addition to deals on Mexico City to Heathrow flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Mexico City to Heathrow?

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

  • Can I find deals for business class flights from Mexico City to Heathrow?

    Yes. Cheapflights offers flight deals from Mexico City 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.

  • What is the cheapest month to book a flight from Mexico City to London Heathrow Airport?

    Currently, January is the cheapest month in which you can book a flight from Mexico City to London Heathrow Airport (average of C$ 560). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 856). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Brentford
Sutton
Hounslow
Slough
Marlow
Leamington Spa
Milton Keynes
Romford
Watford
Bedford
Luton
Southall

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