Seattle (SEA) to Cancún (CUN) flights
There were no regular nonstop flights from SEA to CUN in July 2026; the route was flown 512 times in the previous 12 months. The 2,685-mile flight takes about 5h 50m gate to gate.
From
SEA
Seattle
Seattle-Tacoma International Airport
To
CUN
Cancún
Cancún International Airport
- Distance
- 2,685 mi · 4,321 km
- Flight time
- 5h 50m
- Airlines
- 2
- Seats filled
- 82%
Flights a week, July 2026
512 flights and 77,955 passengers in 12 months
Airlines flying SEA to CUN
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air LinesSeasonal or ended | n/a | Airbus A321, Boeing 737-900ER | 41,520 | 5h 51m |
| Alaska AirlinesSeasonal or ended | n/a | Boeing 737 MAX 9, Boeing 737-900ER, Boeing 737-800 | 36,435 | 5h 48m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 23 | 4,276 | |
| September 2025 | 8 | 1,127 | |
| October 2025 | 47 | 7,438 | |
| November 2025 | 68 | 10,436 | |
| December 2025 | 76 | 12,136 | |
| January 2026 | 67 | 9,696 | |
| February 2026 | 58 | 9,013 | |
| March 2026 | 61 | 8,533 | |
| April 2026 | 60 | 9,402 | |
| May 2026 | 43 | 5,790 | |
| June 2026 | 1 | 108 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.