St. Louis to Cancún: what the flight costs
In the last 60 days we checked this route 6 times. The typical return was £386 per person and the lowest £359, taxes and fees included.
| Per person | |
|---|---|
| Lowest seen | £359 |
| Typical (median) | £386 |
| Price checks, 60 days | 6 |
Every fare we found in the last 30 days
| Checked | Trip dates | Per person | Airline | Stops | Duration | Source |
|---|---|---|---|---|---|---|
| 15 Oct 2026 | 5 – 9 Nov 2026 | £516 | F9 + VB + Y4 | with a stop | 3h 14m | Kiwi.com |
| 14 Oct 2026 | 14 – 21 Nov 2026 | £397 | F9 | nonstop | 3h 14m | Kiwi.com |
| 13 Oct 2026 | 14 – 21 Nov 2026 | £385 | F9 + Y4 | with a stop | 26h 8m | Kiwi.com |
| 13 Oct 2026 | 14 – 21 Nov 2026 | £386 | F9 + Y4 | with a stop | 26h 8m | Kiwi.com |
| 12 Oct 2026 | 14 – 21 Nov 2026 | £359 | F9 + Y4 | with a stop | 26h 8m | Kiwi.com |
| 12 Oct 2026 | 14 – 21 Nov 2026 | £359 | F9 + Y4 | with a stop | 26h 8m | Kiwi.com |
About Cancún
Cancún pairs Caribbean water the colour of a swimming pool with nonstop flights from almost every US hub, so it is the easy first trip to Mexico for beach, nightlife and Maya ruins.
Cancún from every city: when to go, where to stay, what to do
Questions about St. Louis to Cancún
What does a return from St. Louis to Cancún usually cost?
Over the last 60 days the typical price we found was £386 per person, taxes and fees included, across 6 checks; the lowest was £359.
When is the best time to fly from St. Louis to Cancún?
Cancún is at its best in November, December, January, February, March, April and May. Avoid August, September, October: Peak Atlantic hurricane season with the heaviest rain and humidity of the year.
Do I need a passport to fly from St. Louis to Cancún?
Passport needed: travellers from the United States need a valid passport for Cancún; check the expiry rule of the country before you book.
Prices converted from US dollars at the rate of 15 Oct 2026.