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Cheap flights from Mexico City to London Heathrow Airport from C$ 560

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 24/3. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — LHR
15 Jan — 22 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Mexico City Benito Juarez to London Heathrow are usually found in February or November, booked 60 days in advance, depart on a Tuesday or Monday and return on a Thursday

Cheap 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 16 December 2025.

Tue 30/125:30 a.m.MEX - LHR
1 stop24h 35mBritish Airways
Sat 17/13:00 p.m.LHR - MEX
1 stop14h 20mBritish Airways
Deal found 14/12C$ 1,417
Wed 31/127:05 a.m.MEX - LHR
2 stops17h 45mDelta
Tue 20/16:30 a.m.LHR - MEX
2 stops20h 20mDelta
Deal found 14/12C$ 1,477
Mon 29/1212:30 p.m.MEX - LHR
2 stops37h 45mFinnair
Sat 17/112:10 p.m.LHR - MEX
2 stops37h 26mFinnair
Deal found 14/12C$ 1,525
Wed 31/1212:35 p.m.MEX - LHR
2 stops16h 50mDelta
Sat 17/14:50 p.m.LHR - MEX
2 stops26h 05mDelta
Deal found 14/12C$ 1,537
Thu 25/124:30 p.m.MEX - LHR
1 stop13h 10mDelta
Fri 16/16:30 a.m.LHR - MEX
2 stops20h 20mDelta
Deal found 14/12C$ 1,660
Tue 30/129:50 p.m.MEX - LHR
1 stop13h 10mMultiple Airlines
Tue 6/110:45 a.m.LHR - MEX
1 stop16h 05mMultiple Airlines
Deal found 15/12C$ 1,810
Tue 23/1212:30 p.m.MEX - LHR
1 stop15h 30mFinnair
Fri 26/124:30 p.m.LHR - MEX
1 stop33h 05mFinnair
Deal found 16/12C$ 1,894
Tue 23/1212:30 p.m.MEX - LHR
2 stops16h 05mFinnair
Wed 24/122:45 p.m.LHR - MEX
2 stops37h 10mFinnair
Deal found 16/12C$ 1,966
Tue 23/124:30 p.m.MEX - LHR
1 stop33h 20mDelta
Sat 27/124:50 p.m.LHR - MEX
2 stops26h 00mDelta
Deal found 16/12C$ 1,979

Find 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 16 December 2025.

Round-trip from

C$ 1,212

One-way from

C$ 560

Popular in

July

Cheapest in

February

Average price

C$ 1,843

Good one-way deal

C$ 2,791 or less
Finnair
  • Finnair
  • 17/3-23/3
  • 4 total stops
  • 54h 37m total
  • Mexico City to London
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24/3
  • 24/3
  • 1 total stop
  • 15h 45m total
  • Mexico City to London
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (C$ 268 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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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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 16 December 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

Sun 15/2

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

1 stop14h 00m

London Heathrow

Wed 25/2

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

Nonstop12h 00m

C$ 1,283

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sun 25/1

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

Nonstop10h 10m

London Heathrow

Tue 10/2

10:35 a.m.-7:36 p.m.

1 stop15h 01m

C$ 1,322

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 23/1

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

1 stop15h 30m

London Heathrow

Wed 28/1

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

Nonstop12h 00m

C$ 1,369

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sun 15/3

4:10 p.m.-4:00 p.m.

3 stops41h 50m

London Heathrow

Sun 22/3

7:50 p.m.-9:40 a.m.

3 stops43h 50m

C$ 1,415

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 22/1

12:35 p.m.-12:20 p.m.

1 stop17h 45m

London Heathrow

Mon 26/1

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

Nonstop12h 00m

C$ 1,431

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 22/1

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

1 stop14h 05m

London Heathrow

Mon 26/1

10:05 a.m.-7:36 p.m.

1 stop15h 31m

C$ 1,437

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Tue 21/4

7:05 a.m.-9:35 a.m.

2 stops19h 30m

London Heathrow

Tue 28/4

7:30 p.m.-10:00 p.m.

3 stops33h 30m

C$ 1,456

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 31/12

4:30 p.m.-11:40 a.m.

1 stop13h 10m

London Heathrow

Mon 12/1

8:55 a.m.-8:50 p.m.

1 stop17h 55m

C$ 1,477

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 11/3

8:45 a.m.-2:35 p.m.

3 stops23h 50m

London Heathrow

Mon 23/3

10:20 a.m.-12:10 p.m.

3 stops31h 50m

C$ 1,483

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 11/2

6:30 a.m.-7:50 a.m.

2 stops19h 20m

London Heathrow

Tue 17/2

6:30 a.m.-8:50 p.m.

2 stops20h 20m

C$ 1,488

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 22 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 December 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 60 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, November is the cheapest month in which you can book a flight from Mexico City to London Heathrow Airport (average of C$ 389). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 1,398). 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 16 December 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.

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 14h. 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 EL AL (90%), Aeromexico (88%) and Virgin Atlantic (88%).

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

    Looking at all options, your cheapest flight can be booked for C$ 2,791. While the most popular route (Mexico City Benito Juarez - London Heathrow) can be booked for C$ 5,269 on average, our data indicates C$ 2,791 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, November is the cheapest month in which you can book a flight from Mexico City to London Heathrow Airport (average of C$ 389). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 1,398). 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
Twickenham
Slough
Marlow
Milton Keynes
Leamington Spa
Romford
Watford
Bedford
Luton
Stratford-upon-Avon
Gatwick
Hounslow

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