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Finnair flights from London Heathrow Airport to Mexico City (LHR - MEX)

LHR — MEX
18 Jul — 25 Jul1
1 adult
1 adult, Economy, 0 bags

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Cheapest Finnair flights from Heathrow to Mexico City
Explore the most affordable Finnair flight options available from Heathrow to Mexico City. Find the lowest fares with prices last updated on 18 June 2026.

Thu 25/618:05
LHR
-
MEX
2 stops31h 30m
Finnair
Sun 27/911:20
MEX
-
LHR
2 stops27h 20m
Finnair
Deal found 13/6£831
Thu 2/718:05
LHR
-
MEX
2 stops31h 30m
Finnair
Sun 27/911:20
MEX
-
LHR
2 stops27h 20m
Finnair
Deal found 17/6£832
Sun 5/714:25
LHR
-
MEX
1 stop35h 10m
Finnair
Sun 27/911:20
MEX
-
LHR
2 stops27h 20m
Finnair
Deal found 17/6£862

  • Can I get a flight from London Heathrow Airport to Mexico City on Finnair for under £896?

    Cheapflights currently has 2 LHR-MEX flights for under £896. Flights to Mexico City will vary based on many factors, like date and time. Click here to find the best price for your dates on Cheapflights.

Finnair flights from Heathrow to Mexico City in 2026

Find detailed information about Finnair flights from Heathrow to Mexico City. Explore the options provided by Finnair to plan your journey from Heathrow to Mexico City. Data last updated 18 June 2026.

One-way from

£794

Return from

£831

Popular in

December

Cheapest in

January

Average price (all airlines)

£851
Finnair
  • Finnair
  • 13/7
  • 1 total stop
  • 16h 40m total
  • London to Mexico City
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Finnair
  • Finnair
  • 31/8-24/9
  • 3 total stops
  • 44h 55m total
  • London to Mexico City
Search Deals
Highest demand for flights from London Heathrow to Mexico City Benito Juarez; 14% potential price increase.
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Best time to find cheap flights from London Heathrow to Mexico City Benito Juarez; 2% potential price drop.
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Average price for all London Heathrow to Mexico City Benito Juarez flights (one-way and round-trip).
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Rainfall in Mexico City by month

Plan your trip to Mexico City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Mexico City ranges from 0.0 - 120.0 inches per month. July is typically the wettest month, when rainfall can reach 120.0 mm. January is typically the driest time to visit Mexico City when rainfall is around 0.0 mm.

Temperature in Mexico City by month

Plan your trip to Mexico City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Mexico City, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 19.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 13.0 C).

Best time to book a flight from Heathrow to Mexico City

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

Browse thousands of different options on Cheapflights for your next trip

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Fly from Heathrow to Mexico City on another airline

Consider alternative airlines that service the Mexico City area. Flight routes are based on user searches made on Cheapflights and were last updated on 18 June 2026.
British Airways flights from London Heathrow to Mexico City Benito Juarez

See what others are saying about Finnair

Read reviews and see what other travellers are saying about their experiences with Finnair. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing Finnair for your next flight. Reviews last updated 18 June 2026.
Finnair
7.6
Good
1,412 reviews
Check prices
Overview

Food

6.7

Crew

8.2

Comfort

7.4

Entertainment

6.9

Boarding

7.7

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