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Finnair flights from London to Mexico City (LON - MEX)

LON — MEX
7 Mar — 14 Mar1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from London to Mexico City on Finnair typically fly into Mexico City Benito Juarez and depart from London Heathrow. Select your dates above for pricing.

Finnair flights from London to Mexico City in 2026

Find detailed information about Finnair flights from London to Mexico City. Explore the options provided by Finnair to plan your journey from London to Mexico City. Data last updated 5 February 2026.

One-way from

£535

Return from

£814

Popular in

July

Cheapest in

September

Average price (all airlines)

£633
Finnair
  • Finnair
  • 13/4
  • 2 total stops
  • 37h 12m total
  • London to Mexico City
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Finnair
  • Finnair
  • 28/4-12/5
  • 4 total stops
  • 71h 32m total
  • London to Mexico City
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Highest demand for flights from London to Mexico City Benito Juarez; 14% potential price increase.
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Best time to find cheap flights from London to Mexico City Benito Juarez; 2% potential price drop.
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Average price for all London to Mexico City Benito Juarez flights (one-way and round-trip).
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  • How do most travelers feel about Finnair?

    When planning your LON-MEX trip, keep in mind that Finnair is typically rated 7.6/10. This rating comes from 1,357 reviews by Cheapflights users who have traveled with Finnair.

  • Can I get a flight from London to Mexico City on Finnair for under £657?

    London to Mexico City flights on Finnair are currently available under £657. 2 flights have been found by Cheapflights users under that amount. To find flights for your dates, click here.

Find Finnair flight deals from London to Mexico City

Enter your travel dates to find the best prices.

Cheapest Finnair flights from London to Mexico City
Explore the most affordable Finnair flight options available from London to Mexico City. Find the lowest fares with prices last updated on 5 February 2026.

Mon 16/315:35
LHR
-
MEX
2 stops36h 47m
Finnair
Sun 19/411:20
MEX
-
LHR
2 stops36h 35m
Finnair
Deal found 3/2£829
Wed 18/314:45
LHR
-
MEX
2 stops37h 37m
Finnair
Sun 26/411:20
MEX
-
LHR
2 stops36h 35m
Finnair
Deal found 4/2£830
Sat 14/312:10
LHR
-
MEX
2 stops40h 12m
Finnair
Sun 19/411:20
MEX
-
LHR
2 stops37h 20m
Finnair
Deal found 3/2£859

What is the cheapest month to book a flight from London to Mexico City with Finnair?

Currently, the most affordable month to book a Finnair flight from London to Mexico City in February, with an average price of £493. Conversely, traveling with Finnair from London to Mexico City in December will be the most expensive, with an average cost of £743. Various factors influence flight prices, so comparing airlines, departure airports, and times can help reduce costs.

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 London to Mexico City

Have a flexible travel schedule? Discover the best time to fly to Mexico City from London 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 London 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 5 February 2026.
Aeromexico flights from London to Mexico City Benito Juarez
British Airways flights from London 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 5 February 2026.
Finnair
7.6
Good
1,357 reviews
Check prices
Overview

Boarding

7.7

Food

6.7

Crew

8.2

Entertainment

6.9

Comfort

7.5

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