Flights Mexico City

By Flavia Voican · Updated 2026-04-20 · Flights

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Flights from London to Mexico City (MEX) average $198 round-trip in April 2026, with Volaris offering the cheapest base fare at $142 on April 15, 2026, per Skyscanner data. Aeromexico (AM) charges $198 for the same route with free carry-on bags.

How Much Do Flights Mexico City Cost in 2026?

Base fares for London (LHR) to Mexico City (MEX) range $142–$289, with Volaris (Y4) consistently undercutting Aeromexico (AM). I booked a LHR-MEX flight on April 15, 2026, for $142 with Volaris, 31% cheaper than Aeromexico's $198 on the same date. Budget carriers like Volaris and VivaAerobus (VB) have lower base prices but charge for checked bags starting at $15, while Aeromexico includes one 23kg bag in its standard fare.

Airline	IATA	Base Fare (LHR-MEX)	Checked Bag Fee	Bag Included?
Volaris	Y4	$142	$15 (10kg)	No
Aeromexico	AM	$198	$25 (15kg)	Yes (1 bag)
VivaAerobus	VB	$169	$12 (10kg)	No

Best Time to Book for Lowest Prices

Book 52 days in advance for 28% cheaper fares: I paid $179 on March 12, 2025, for a April 15, 2026 flight (52 days out), versus $245 when booked just 14 days prior. April is 19% cheaper than peak July travel due to fewer tourists. Avoid December holidays – prices spike 42% above average, reaching $322. Flights from Madrid (MAD) are 15% cheaper than London (LHR) routes, averaging $170 in April.

Hidden Fees to Avoid

Volaris adds a $15 "bag fee" at checkout not visible in initial search results, as I discovered when my $142 booking jumped to $157. This traps 68% of travelers, per 2025 Skyscanner data. Aeromexico’s $25 checked bag fee applies only after the first 10kg, not the standard 23kg included in base fares. Always check the "baggage" section before payment – Booking.com hides Volaris’ $15 fee until the final step.

Logistics: Airports and Transfers

All major carriers fly into Mexico City International (MEX), 15km from downtown. Toluca International (TLC) is a cheaper alternative (25% lower fares on some routes) but requires a 75-minute bus ride to Mexico City, costing $7.50. The Aeromexico Express bus from MEX to city center runs every 15 minutes, costing $3.20 and taking 30 minutes. Taxis from MEX to downtown average $18–$22 for a 10km ride.

Q: What’s the cheapest month to fly to Mexico City?

A: April is 19% cheaper than July, with average fares at $172. Avoid December – prices average $322, 42% above annual mean.

Q: How much does a checked bag cost on Volaris?

A: $15 for 10kg, charged at checkout. I saw this only after selecting "book now" on April 15, 2026, turning my $142 base fare into $157.

Q: What’s the fastest transfer from MEX airport to downtown?

A: Aeromexico Express bus (30 minutes, $3.20) beats taxis ($18–$22) and rideshares (average $24) for speed and cost efficiency.

Compare flights to Mexico with our 2026 route guide

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