Seattle–Tacoma International Airport (SEA) is in SeaTac, about 23 km (14 mi) south of downtown Seattle. There are nonstop flights from Seattle to Cancun with Delta Air Lines and Alaska Airlines, taking about 6 hours.
Quick facts (checked October 2026)
- Codes: IATA SEA · ICAO KSEA
- Location: in SeaTac, about 23 km (14 mi) south of downtown Seattle
- Terminals: 1 main terminal with 4 concourses and 2 satellites
- Traffic: about 52.7 million passengers (2025)
- Official website: www.portseattle.org/sea-tac
- Distance to Cancun: 4,321 km (2,685 miles) in a straight line
- Nonstop to Cancun: Yes – about 6 hours
- Time difference: 2 hours behind Cancun during daylight saving time (March to early November); 3 hours behind in winter
Flights from Seattle to Cancun
| Airline | Season | Arrives at Cancun | Notes |
|---|---|---|---|
| Delta Air Lines | Mainly winter | Terminal 3 | From 9 November 2026 |
| Alaska Airlines | Seasonal (winter) | See terminal guide | From 20 November 2026 |
Flight time is about 6 hours. Airlines change their schedules every season, so check current dates on the airline’s website and confirm your Cancun terminal on your boarding pass (Cancun Airport terminals).
Outside winter, connect via Los Angeles or San Francisco (Alaska, United, Delta), Salt Lake City or Minneapolis (Delta), Dallas/Fort Worth or Phoenix (American) or Denver.
Arriving at Cancun Airport
International arrivals clear immigration and customs in Cancun, which usually takes 30–60 minutes. After customs you walk through the “shark tank” of timeshare sellers – if you have booked a transfer, go straight outside to meet your driver. See Cancun Airport arrivals for what to expect step by step, and check your flight on the live arrivals board.
| From Cancun Airport to | Drive time | Private transfer from |
|---|---|---|
| Cancun Hotel Zone | 20–30 min | 44 USD per vehicle |
| Playa del Carmen | 45–60 min | 89 USD per vehicle |
| Tulum | about 1 h 45 min | 165 USD per vehicle |
Book your Cancun Airport transfer
About Seattle–Tacoma International Airport
The Pacific Northwest’s largest airport is owned by the Port of Seattle and is the main hub of Alaska Airlines and a Delta hub.
Seattle to Cancun – FAQ
Is there a direct flight from Seattle to Cancun?
Yes. Delta Air Lines and Alaska Airlines fly nonstop (October 2026); see the table above for seasons and frequency.
How long is the flight from Seattle to Cancun?
About 6 hours nonstop.
How far is Seattle from Cancun?
About 4,321 km (2,685 miles) in a straight line.
How do I get from Cancun Airport to my hotel?
A private transfer is the easiest option: from 44 USD to the Hotel Zone, 89 USD to Playa del Carmen and 165 USD to Tulum per vehicle. See Cancun Airport transportation.