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Cheap flights from Mexico City to London Heathrow Airport from C$ 633

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
MEX — LHR
23 Aug — 30 Aug1
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 77 days in advance, depart on a Monday or Tuesday and return on a Tuesday

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 24 July 2026.

Mon 30/118:30 p.m.
MEX
-
LHR
1 stop14h 45m
British Airways
Sun 6/128:45 a.m.
LHR
-
MEX
1 stop15h 55m
British Airways
Deal found 21/7C$ 1,480
Sat 14/119:00 p.m.
MEX
-
LHR
Nonstop10h 10m
British Airways
Sun 22/1112:45 p.m.
LHR
-
MEX
Nonstop12h 00m
British Airways
Deal found 21/7C$ 1,487
Mon 30/119:00 p.m.
MEX
-
LHR
Nonstop10h 10m
British Airways
Mon 7/128:45 a.m.
LHR
-
MEX
1 stop15h 55m
British Airways
Deal found 21/7C$ 1,491
Sat 21/119:00 p.m.
MEX
-
LHR
Nonstop10h 10m
British Airways
Fri 27/1112:45 p.m.
LHR
-
MEX
Nonstop12h 00m
British Airways
Deal found 22/7C$ 1,494
Thu 22/1010:00 p.m.
MEX
-
LHR
Nonstop10h 30m
British Airways
Tue 27/106:05 a.m.
LHR
-
MEX
2 stops22h 15m
British Airways
Deal found 23/7C$ 1,495
Thu 5/1112:30 p.m.
MEX
-
LHR
1 stop15h 30m
British Airways
Tue 17/117:30 a.m.
LHR
-
MEX
1 stop17h 10m
British Airways
Deal found 23/7C$ 1,498
Thu 5/114:15 p.m.
MEX
-
LHR
1 stop13h 45m
British Airways
Sun 22/117:30 a.m.
LHR
-
MEX
1 stop20h 40m
British Airways
Deal found 22/7C$ 1,499
Wed 11/1112:05 a.m.
MEX
-
LHR
1 stop14h 40m
British Airways
Sun 22/1112:45 p.m.
LHR
-
MEX
Nonstop12h 00m
British Airways
Deal found 23/7C$ 1,505
Mon 16/119:00 p.m.
MEX
-
LHR
Nonstop10h 10m
British Airways
Fri 27/117:05 p.m.
LHR
-
MEX
1 stop29h 35m
British Airways
Deal found 21/7C$ 1,506
Wed 21/1010:00 p.m.
MEX
-
LHR
Nonstop10h 30m
British Airways
Sat 31/106:30 a.m.
LHR
-
MEX
2 stops20h 17m
British Airways
Deal found 23/7C$ 1,509
Fri 4/129:00 p.m.
MEX
-
LHR
Nonstop10h 10m
British Airways
Sun 6/1212:45 p.m.
LHR
-
MEX
Nonstop12h 00m
British Airways
Deal found 21/7C$ 1,510

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 24 July 2026.

Round-trip from

C$ 1,480

One-way from

C$ 633

Popular in

July

Cheapest in

February

Average price

C$ 2,310
British Airways
  • British Airways
  • 30/11-6/12
  • 2 total stops
  • 30h 40m total
  • Mexico City to London
Search Deals
British Airways
  • British Airways
  • 20/10
  • Nonstop
  • 10h 30m total
  • Mexico City to London
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (C$ 513 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 71 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 24 July 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

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 30/9

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

Nonstop10h 30m

London Heathrow

Thu 15/10

12:15 p.m.-10:20 p.m.

1 stop17h 05m

C$ 1,675

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Tue 15/12

10:05 a.m.-10:15 a.m.

1 stop18h 10m

London Heathrow

Wed 20/1

6:50 a.m.-9:50 p.m.

2 stops21h 00m

C$ 1,710

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Tue 17/11

6:40 a.m.-6:25 a.m.

2 stops17h 45m

London Heathrow

Fri 27/11

6:30 a.m.-9:55 p.m.

2 stops21h 25m

C$ 1,757

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 21/10

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

1 stop15h 00m

London Heathrow

Wed 28/10

8:55 a.m.-9:35 p.m.

2 stops18h 40m

C$ 1,775

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Wed 9/9

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

Nonstop10h 30m

London Heathrow

Sun 20/9

8:55 a.m.-6:35 p.m.

1 stop16h 40m

C$ 2,074

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 3/9

9:35 a.m.-9:20 a.m.

2 stops16h 45m

London Heathrow

Thu 10/9

8:00 a.m.-5:50 p.m.

2 stops16h 50m

C$ 2,082

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 6/8

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

Nonstop10h 30m

London Heathrow

Wed 9/9

9:55 a.m.-8:00 p.m.

1 stop17h 05m

C$ 2,090

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Thu 17/9

7:05 a.m.-2:35 p.m.

2 stops24h 30m

London Heathrow

Sun 27/9

6:40 a.m.-11:35 a.m.

3 stops35h 55m

C$ 2,310

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Fri 16/10

9:00 a.m.-2:35 p.m.

3 stops22h 35m

London Heathrow

Sat 24/10

6:40 a.m.-5:00 a.m.

2 stops29h 20m

C$ 2,321

Mexico CityLondon

MEX - LHR

MEXLHR

Mexico City Benito Juarez

Sun 20/9

7:05 a.m.-2:35 p.m.

3 stops24h 30m

London Heathrow

Sun 27/9

6:40 a.m.-11:35 a.m.

3 stops35h 55m

C$ 2,333

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/7

Showing 1-10 of 19 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 76 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$ 1,346). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 2,310). 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 24 July 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?

Airfare is below average for this route at the moment.

Mexico City to London Heathrow Airport flights typically cost between C$ 1,678 and C$ 2,485 in November.
The cheapest round-trip price found within the last 5 days was C$ 1,480 on British Airways (30 Nov-6 Dec).

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, Mexico City has 4 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 10h 30m. 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 (76%), British Airways (76%) and Aeromexico (65%).

  • 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$ 1,346). Flying from Mexico City to London Heathrow Airport in July is currently the most expensive (average of C$ 2,310). 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
Luton
Slough
Marlow
Cobham
Hounslow
Leamington Spa
Northampton
Watford
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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