Cheap flights from Cancun to Castries

Compare Cancun to Castries flight deals

Find the cheapest month or even day of the year to fly to Castries

Book the best Castries fare with no extra fees

Flight deals from Cancun to Castries

Looking for a cheap last-minute deal or the best return flight from Cancun to Castries? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cancun to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Cancun to Castries flights are currently cheapest in April.

Alternative Cancun to Castries routes

Looking for the cheapest, fastest or easiest route from Cancun to Castries? You could fly into the following airports instead.

Cancun to Castries: Flight information

The things to know before you go.
Cheapest flight found$374
Cheapest month to flyApril

Finding cheap flights from Cancun to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a return flight from Cancun to Castries is $2,105. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Cancun to Castries. But we found flights with one or more stops from $2,105.
As of April 2026, there are no flights flying from Cancun to Castries.
The cheapest month to fly from Cancun to Castries is usually January.
If you're flying from Cancun Airport, the cheapest airport near Castries is St Lucia Hewanorra – which is 30.5 km away from the centre of Castries. We've found flights into this airport from $2,105.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cancun Airport to Castries on Friday, 15 January 2027.
No airlines currently offer direct flights between Cancun Airport and Castries. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 27°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
Currently, WestJet offers the cheapest flight tickets to Castries.

How to find cheap flights from Cancun to Castries

Looking for cheap air tickets from Cancun to Castries? Here are a few tips on how to score the best price and make your journey as smooth as possible.

  • Simply hit 'search'. From Singapore Airlines to Emirates, we've compared plane tickets from all major online travel agents and airlines flying Cancun-Castries to find the cheapest flights. And with us, there are no hidden fees – what you see is what you pay.
  • Flex your dates to secure the best air ticket price for your Cancun-Castries flight. If your travel dates are flexible, use Skyscanner's "Whole month" tool to find the cheapest time to fly toCastries from Cancun.
  • Stay One Step Ahead with Price Alerts. Never miss a deal! Set up a Price Alert for Cancun to Castries by creating an alert. Whenever prices go down or up, you'll get a push notification or email to help you get the best flight deal.
  • Look for direct flights. Only interested in direct flights between Cancun and Castries? Make sure to tick "Direct flights only" when performing a search. If there are direct flights available, these will appear in the results.
  • Include nearby airports in your search. Widen your search for Cancun to Castries flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save on your next trip.
  • Find the cheapest Business Class flights from Cancun to Castries. We scour the Internet for the best Business, Premium Economy, and First Class flight fares for Cancun-Castries, too. Check the difference in price as you search – you might just stumble on a last-minute low fare.
  • Search for cheap flights when out and about. To get the best flight booking experience on the go, download our app and search for flight tickets from Cancun to Castries wherever you are.

Book air tickets from Cancun to Castries with peace of mind

  • Find flexible flights for Cancun to Castries Your airline might be offering flexible plane tickets to Castries, which means you won't lose out if your flight has to be changed or cancelled.
  • Add travel cost protection. Avoid travel pitfalls and choose travel cost protection - it's available at the checkout as you book your Cancun-Castries flight with us.
  • Reduce your carbon footprint by selecting a greener Cancun-Castries flight option. To check whether there are any lower emissions flights available on your route, simply check the “only show flights with lower CO₂ emissions” box which will be available once you have moved on from this page.

Combine your flight to Castries with hotels and car rental

Once you've secured your cheap flight ticket for Cancun-Castries, discover the best prices and exclusive rates for hotels in Castries or nearby. You can also compare hundreds of car rental companies at once so you get the best car rental price for your trip..

Not Sure About Castries? Explore “Everywhere”

If you're still exploring destinations, use Skyscanner’s “Everywhere” search feature to see the cheapest places to fly from your location. You might just find an irresistible deal to Castries or another dream destination.


Prices shown on this page are estimated lowest prices only. Found in the last 45 days.