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Cheap flights from Mexico City to London Heathrow Airport from C$ 566

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — LHR
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Mexico City Benito Juarez to London Heathrow are usually found in November or February, booked 77 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 29 October 2025.

Round-trip from

C$ 1,274

One-way from

C$ 566

Popular in

July

Cheapest in

November

Average price

C$ 1,457

Good one-way deal

C$ 2,834 or less
British Airways
  • British Airways
  • 11/1-28/1
  • 2 total stops
  • 50h 40m total
  • Mexico City to London
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30/12
  • 30/12
  • 1 total stop
  • 13h 35m total
  • Mexico City to London
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Highest demand for flights based on searches. 10% potential increase in price (C$ 253 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 57 potential savings vs. average RT price).
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Average for round-trip flights in October 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

Enter your travel dates to find the best prices.

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 29 October 2025.

Tue 30/1212:30 p.m.MEX - LHR
1 stop15h 30mBritish Airways
Thu 15/17:40 p.m.LHR - MEX
1 stop32h 30mBritish Airways
Deal found 29/10C$ 1,277
Tue 30/1212:30 p.m.MEX - LHR
1 stop15h 30mFinnair
Wed 14/110:05 a.m.LHR - MEX
1 stop15h 31mFinnair
Deal found 29/10C$ 1,280
Wed 31/128:00 a.m.MEX - LHR
1 stop18h 35mBritish Airways
Tue 13/17:05 p.m.LHR - MEX
2 stops35h 05mBritish Airways
Deal found 29/10C$ 1,281
Wed 3/1212:30 p.m.MEX - LHR
1 stop14h 05mFinnair
Wed 10/128:20 a.m.LHR - MEX
1 stop17h 15mFinnair
Deal found 29/10C$ 1,283
Wed 31/124:16 p.m.MEX - LHR
1 stop13h 24mBritish Airways
Wed 14/17:40 p.m.LHR - MEX
2 stops34h 30mBritish Airways
Deal found 29/10C$ 1,297
Mon 24/1112:30 p.m.MEX - LHR
1 stop15h 30mFinnair
Fri 5/128:20 a.m.LHR - MEX
1 stop17h 15mFinnair
Deal found 27/10C$ 1,311
Wed 26/1112:30 p.m.MEX - LHR
2 stops17h 35mFinnair
Thu 4/128:20 a.m.LHR - MEX
1 stop19h 35mFinnair
Deal found 28/10C$ 1,312
Mon 1/122:55 p.m.MEX - LHR
1 stop15h 10mBritish Airways
Tue 9/128:20 a.m.LHR - MEX
1 stop17h 15mBritish Airways
Deal found 28/10C$ 1,313
Tue 25/114:13 p.m.MEX - LHR
1 stop13h 27mBritish Airways
Wed 10/1210:05 a.m.LHR - MEX
1 stop15h 30mBritish Airways
Deal found 28/10C$ 1,315
Sat 22/1112:30 p.m.MEX - LHR
2 stops35h 50mFinnair
Wed 3/128:20 a.m.LHR - MEX
1 stop17h 15mFinnair
Deal found 27/10C$ 1,336
Fri 5/1212:30 p.m.MEX - LHR
2 stops15h 55mFinnair
Tue 9/128:20 a.m.LHR - MEX
1 stop17h 15mFinnair
Deal found 29/10C$ 1,337
Mon 24/1112:30 p.m.MEX - LHR
2 stops15h 55mFinnair
Wed 3/128:20 a.m.LHR - MEX
1 stop17h 15mFinnair
Deal found 28/10C$ 1,339

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 29 October 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

Wed 3/12

12:30 p.m.-10:00 a.m.

1 stop15h 30m

London Heathrow

Tue 13/1

8:20 a.m.-7:36 p.m.

1 stop17h 16m

C$ 1,313

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 19/2

12:30 p.m.-8:15 a.m.

1 stop13h 45m

London Heathrow

Sun 15/3

4:30 p.m.-8:40 p.m.

1 stop34h 10m

C$ 1,320

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 5/12

12:30 p.m.-8:35 a.m.

1 stop14h 05m

London Heathrow

Tue 9/12

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

1 stop15h 30m

C$ 1,337

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 26/11

6:45 a.m.-12:05 p.m.

1 stop23h 20m

London Heathrow

Fri 5/12

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

1 stop17h 15m

C$ 1,343

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 14/1

12:30 p.m.-8:35 a.m.

1 stop14h 05m

London Heathrow

Mon 19/1

3:35 p.m.-7:36 p.m.

2 stops34h 01m

C$ 1,350

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sat 22/11

12:30 p.m.-8:35 a.m.

1 stop14h 05m

London Heathrow

Thu 4/12

10:05 a.m.-9:55 p.m.

1 stop17h 50m

C$ 1,368

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sat 15/11

12:30 p.m.-8:15 a.m.

2 stops37h 45m

London Heathrow

Sat 6/12

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

1 stop17h 15m

C$ 1,393

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 5/3

12:30 p.m.-8:15 a.m.

1 stop13h 45m

London Heathrow

Fri 27/3

12:40 p.m.-8:40 p.m.

2 stops38h 00m

C$ 1,401

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Mon 24/11

12:30 p.m.-10:00 a.m.

1 stop15h 30m

London Heathrow

Mon 1/12

11:55 a.m.-9:55 p.m.

1 stop16h 00m

C$ 1,404

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 22/1

9:00 a.m.-9:20 a.m.

2 stops18h 20m

London Heathrow

Mon 26/1

10:20 a.m.-9:40 a.m.

2 stops29h 20m

C$ 1,413

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/10

Showing 1-10 of 23 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 24 October 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 57 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, February is the cheapest month in which you can book a flight from Mexico City to London Heathrow Airport (average of C$ 1,006). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 1,425). 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 29 October 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 2 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 16h 15m. There are 8898 km between Mexico City and London Heathrow Airport. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 (81%), British Airways (81%) and Aeromexico (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$ 2,834. While the most popular route (Mexico City Benito Juarez - London Heathrow) can be booked for C$ 1,327 on average, our data indicates C$ 2,834 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, February is the cheapest month in which you can book a flight from Mexico City to London Heathrow Airport (average of C$ 1,006). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 1,425). 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
Sutton
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Slough
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Leamington Spa
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Romford
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