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Cheap flights from Mexico City to London Heathrow Airport from C$ 685

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 6/11. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — LHR
5 Jul — 12 Jul1
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 January, booked 86 days in advance, depart on a Monday or Tuesday and return on a Monday

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 5 June 2026.

Thu 20/85:15 p.m.
MEX
-
LHR
1 stop14h 10m
British Airways
Wed 9/96:15 a.m.
LHR
-
MEX
2 stops21h 30m
British Airways
Deal found 31/5C$ 1,496
Thu 1/1011:20 a.m.
MEX
-
LHR
2 stops17h 25m
Finnair
Wed 7/1011:00 a.m.
LHR
-
MEX
1 stop14h 38m
Finnair
Deal found 1/6C$ 1,497
Fri 21/811:20 a.m.
MEX
-
LHR
2 stops16h 10m
Finnair
Tue 15/911:00 a.m.
LHR
-
MEX
1 stop14h 35m
Finnair
Deal found 31/5C$ 1,499
Sun 9/810:00 p.m.
MEX
-
LHR
Nonstop10h 30m
British Airways
Mon 31/83:10 p.m.
LHR
-
MEX
Nonstop11h 35m
British Airways
Deal found 31/5C$ 1,500
Sun 9/810:00 p.m.
MEX
-
LHR
Nonstop10h 30m
British Airways
Sun 23/88:55 a.m.
LHR
-
MEX
1 stop16h 40m
British Airways
Deal found 1/6C$ 1,503
Thu 20/810:00 p.m.
MEX
-
LHR
Nonstop10h 30m
British Airways
Fri 11/99:55 a.m.
LHR
-
MEX
1 stop19h 25m
British Airways
Deal found 31/5C$ 1,504
Wed 26/87:00 a.m.
MEX
-
LHR
1 stop16h 20m
British Airways
Thu 17/97:50 a.m.
LHR
-
MEX
1 stop15h 55m
British Airways
Deal found 1/6C$ 1,508
Mon 17/811:20 a.m.
MEX
-
LHR
1 stop14h 40m
British Airways
Thu 27/83:10 p.m.
LHR
-
MEX
Nonstop11h 35m
British Airways
Deal found 1/6C$ 1,512
Sat 1/85:15 p.m.
MEX
-
LHR
1 stop30h 05m
British Airways
Mon 17/86:45 p.m.
LHR
-
MEX
1 stop15h 35m
British Airways
Deal found 31/5C$ 1,514
Mon 24/811:20 a.m.
MEX
-
LHR
1 stop14h 40m
British Airways
Thu 3/93:10 p.m.
LHR
-
MEX
Nonstop11h 35m
British Airways
Deal found 1/6C$ 1,517
Fri 21/810:00 p.m.
MEX
-
LHR
Nonstop10h 30m
British Airways
Sat 12/93:10 p.m.
LHR
-
MEX
Nonstop11h 35m
British Airways
Deal found 31/5C$ 1,518
Mon 21/911:55 p.m.
MEX
-
LHR
1 stop15h 20m
British Airways
Fri 2/106:20 a.m.
LHR
-
MEX
2 stops21h 25m
British Airways
Deal found 2/6C$ 1,521

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 5 June 2026.

Round-trip from

C$ 1,496

One-way from

C$ 685

Popular in

June

Cheapest in

February

Average price

C$ 2,078
British Airways
  • British Airways
  • 21/8-10/9
  • 3 total stops
  • 38h 05m total
  • Mexico City to London
Search Deals
Iberia
  • Iberia
  • 6/11
  • 1 total stop
  • 23h 25m total
  • Mexico City to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 509 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 5 June 2026.
Use the filters below to find and compare flights from Mexico City to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Mon 31/8

5:15 p.m.-2:25 p.m.

1 stop14h 10m

London Heathrow

Sun 6/9

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

Nonstop11h 35m

C$ 1,560

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 28/8

5:15 p.m.-2:25 p.m.

1 stop14h 10m

London Heathrow

Fri 4/9

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

Nonstop11h 35m

C$ 1,587

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Tue 30/6

11:20 a.m.-10:30 a.m.

2 stops16h 10m

London Heathrow

Sat 11/7

9:15 a.m.-6:35 p.m.

2 stops40h 20m

C$ 1,593

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 3/7

7:00 a.m.-2:25 p.m.

1 stop24h 25m

London Heathrow

Fri 10/7

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

Nonstop11h 35m

C$ 1,599

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Tue 30/6

5:35 a.m.-9:25 a.m.

1 stop20h 50m

London Heathrow

Mon 13/7

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

Nonstop11h 35m

C$ 1,599

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 30/9

8:40 a.m.-12:05 p.m.

2 stops20h 25m

London Heathrow

Thu 15/10

11:15 a.m.-10:10 p.m.

2 stops17h 55m

C$ 1,625

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 11/9

8:40 a.m.-11:20 a.m.

2 stops19h 40m

London Heathrow

Sun 11/10

8:20 a.m.-9:10 p.m.

2 stops19h 50m

C$ 1,625

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 10/9

8:40 a.m.-11:20 a.m.

1 stop19h 40m

London Heathrow

Sun 11/10

8:05 p.m.-12:45 p.m.

1 stop23h 40m

C$ 1,654

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 20/8

1:20 p.m.-11:20 a.m.

1 stop15h 00m

London Heathrow

Sun 30/8

6:30 a.m.-7:05 p.m.

2 stops19h 35m

C$ 1,654

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Mon 20/7

11:10 a.m.-7:15 a.m.

1 stop13h 05m

London Heathrow

Tue 28/7

4:20 p.m.-12:55 p.m.

1 stop27h 35m

C$ 1,661

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

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 85 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$ 1,334). Flying from Mexico City to London Heathrow Airport in June is currently the most expensive (average of C$ 2,078). 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 5 June 2026.

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 14h 10m. 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 Aeromexico (67%), Virgin Atlantic (67%) and Iberia (63%).

  • 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$ 1,334). Flying from Mexico City to London Heathrow Airport in June is currently the most expensive (average of C$ 2,078). 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
Gatwick
Romford
Twickenham
Ilford
Bromley
Sutton
Hounslow
Slough
Marlow
Cobham
Leamington Spa
Northampton
Watford
Luton
High Wycombe
Stratford-upon-Avon
Moreton-in-Marsh

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

Need flexible booking options for your flight to Heathrow from Mexico City? 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 Mexico City to Heathrow become cheaper?

Yes! Start tracking prices for Mexico City to Heathrow flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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