2 airlines fly nonstop from Seattle to Cancún.
Checking today’s fares with the airlines.
| Airline | From | To |
|---|---|---|
| Alaska AirlinesSeasonal | SEA Seattle-Tacoma International Airport | CUN Cancún International Airport |
| Delta Air Lines | SEA Seattle-Tacoma International Airport | CUN Cancún International Airport |
Nonstop service as of October 2026. Airlines change schedules seasonally.
30.4 million passengers in 2024
| How | Route |
|---|---|
| Bus | ADO coach to Cancún, Playa del Carmen and Tulum; buy online or away from Terminal 4 for lower fares |
| Shuttle | Pre-booked hotel shuttles and private transfers depart from numbered platforms at each terminal |
| Train | Tren Maya station across Highway 180, linked to the terminals by a shuttle |
US citizens need a valid passport and no visa for stays up to 180 days.
Cancún is 3 hours ahead of Seattle in January and 2 hours ahead of it in July, because the two observe daylight saving time differently. Cancún uses the Mexican peso (MXN).
Read the Cancún guide: when to go, weather, airports and tips
Nonstop flight times vary by airline and season; flights with a connection take longer.
As of October 2026, Alaska Airlines and Delta Air Lines fly this route nonstop, some of them seasonally.
About 2,686 miles (4,322 km), measured between the city centres.
Cancún is 3 hours ahead of Seattle in January and 2 hours ahead of it in July, because the two observe daylight saving time differently.
US citizens need a valid passport and no visa for stays up to 180 days.
ADO coach to Cancún, Playa del Carmen and Tulum; buy online or away from Terminal 4 for lower fares.
Information checked in October 2026. Schedules, fares and entry rules change, so confirm with the airline or the official source before you travel.