✓ Real prices checked on 2026-10-22

Cheap flights from London to Cancun from €666

Fly London to Cancun with Air Transat from €666 return. Median price around €703, so plenty of affordable options. Check availability for November and December: perfect months for the Caribbean.

Price and when to book

Lowest price found is €666 (return), with flight examples on 12 November 2026. Median sits at €703 with options up to €782. Book early: transatlantic flights climb fast, especially peak season. Set price alerts on your flight search engine.

Airline and stops

Air Transat operates this route with 1 stop on the outbound leg. The return from Cancun also has at least one stop before London. Air Transat is a reliable Canadian budget carrier with a solid track record on this route.

Best time to visit

November to April is peak season in Cancun: dry weather, no hurricanes, perfect beaches. November (like the 12–16 example) is excellent because it's pre-peak tourism and prices are lower than December or January. Avoid September and October: hurricane risk.

What to do on arrival

Cancun opens the door to Riviera Maya beaches, cenotes, Mayan ruins in Tulum and Playa del Carmen. Cancun airport (CUN) is 20 km from town. Hire a car, take a bus or taxi to your hotel. The hotel zone is safe and tourist-friendly.

FAQ

Is Air Transat a reliable airline?

Yes. Air Transat is an established Canadian carrier with decades flying transatlantic routes. It operates thousands of flights yearly without serious issues. It's budget, so expect fewer frills than premium carriers, but it's safe and dependable.

Can I fly direct London to Cancun?

Not on this route. Air Transat here operates with 1 stop each way. One or two stops are normal for budget carriers on LON–CUN; direct flights are rare and much pricier.

When should I book to get €666?

The cheapest example is 12–16 November 2026. Set alerts now and check daily; those fares appear 6–8 weeks ahead. Long weekends (Thanksgiving, Christmas) push prices up.

What to see in and around Cancun?

Playa del Carmen, Tulum (Mayan ruins), cenotes for diving, Isla Mujeres, Cozumel. Snorkelling and diving are stunning. Local food is excellent and cheap. November is ideal: water 28°C, no rain.

Photo: Wikimedia Commons. Return economy fares for 1 adult, checked on Kiwi.com on the date shown; they can change.

Price calendar

The cheapest month to fly from Londres to Cancun

Cheapest return flight we found in each month, checked on Kiwi.com (refreshed every 3 days). Tap a month to see those dates.

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