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

LHR — MEX
18 Jun — 25 Jun1
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 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 19 May 2026.

One-way from

£845

Return from

£882

Popular in

December

Cheapest in

January

Average price (all airlines)

£821
Finnair
  • Finnair
  • 24/5
  • 1 total stop
  • 16h 40m total
  • London to Mexico City
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Finnair
  • Finnair
  • 8/6-1/7
  • 3 total stops
  • 51h 25m total
  • London to Mexico City
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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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Find Finnair flight deals from Heathrow to Mexico City

Enter your travel dates to find the best prices.

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 19 May 2026.

Mon 8/616:25
LHR
-
MEX
1 stop33h 10m
Finnair
Wed 1/711:20
MEX
-
LHR
2 stops18h 15m
Finnair
Deal found 18/5£882
Thu 11/610:05
LHR
-
MEX
1 stop15h 30m
Finnair
Sun 28/611:20
MEX
-
LHR
2 stops37h 40m
Finnair
Deal found 17/5£883
Mon 15/610:05
LHR
-
MEX
2 stops39h 30m
Finnair
Sun 19/711:20
MEX
-
LHR
2 stops37h 45m
Finnair
Deal found 16/5£884

Which month is the cheapest to fly Economy class from London Heathrow Airport to Mexico City?

For Economy class flights, the cheapest month to fly this route is March. The most expensive months are December and August.

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 19 May 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 19 May 2026.
Finnair
7.7
Good
1,396 reviews
Check prices
Overview

Comfort

7.4

Entertainment

6.9

Boarding

7.7

Crew

8.2

Food

6.7

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