Where can one purchase cheap airline tickets to Mexico?

* Online travel agencies (OTAs): OTAs such as Expedia, Kayak, Orbitz, and Priceline often have competitive prices on flights to Mexico. You can compare prices from multiple airlines on these websites and book your ticket directly.

* Budget airlines: Airlines like Volaris, VivaAerobus, and Interjet offer low-cost flights to Mexico from various cities in the US and Canada.

* Direct airline websites: Check the websites of major airlines that fly to Mexico, such as American Airlines, Delta Air Lines, United Airlines, Aeromexico, and Interjet. Sometimes, airlines offer exclusive deals and promotions on their websites.

* Travel agents: Some travel agents may have access to discounted fares or special deals on flights to Mexico.

* Sign up for email alerts: Subscribe to email newsletters from airlines and OTAs to stay informed about special offers and flash sales.

* Consider flying off-season: Airfares to Mexico are typically higher during peak tourist seasons (December-April). Try traveling during the off-season (May-November) to find cheaper tickets.

* Be flexible with your travel dates: If possible, avoid flying on weekends and holidays when prices are usually higher. Try to fly on weekdays or during less popular travel periods.

* Consider connecting flights: Non-stop flights are usually more expensive than connecting flights. If you're flexible with your travel time, consider booking a connecting flight to save money.

* Use a credit card with travel rewards: Some credit cards offer travel rewards such as cashback, points, or miles that can be redeemed for flights. Using these cards can help you save money on airfare.