Direct (non-stop) flights from SeaTac (SEA) to Cancún (CUN)
Find comprehensive flight information, schedules, and booking details for direct flights from SeaTac (SEA), US to Cancún (CUN), MX. This popular route is operated by 2 airlines, offering multiple daily departures.• Flight Duration: 4h 45m - 6h 05m (average flight time)• Distance: 2700 miles (4344 km) (air miles between airports)• Daily Flights: 3 flights (scheduled departures per day)
SeaTac (SEA)
US
Cancún (CUN)
MX
FLIGHT TIME
4h 45m - 6h 05m
FLIGHT DISTANCE
2700 miles (4344 km)
5h 54m - 5h 59m
07:11
08:06
2700 miles (4344 km)
January
2 (Show)
21
Flight Schedule
December 2025
Airlines with direct flights from SeaTac (SEA) to Cancún (CUN)
Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 4h 45m - 6h 05m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 8:00, offering more flight options and potentially better connections.
SeaTac (SEA) - Cancún (CUN) flight price statistics
$499
ApproximateThe numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.
$414
Jan$459
Feb$513
Mar$507
Apr$547
May$509
Jun$597
Jul$489
Aug$448
Sep$436
Oct$543
Nov$531
DecRelated Information
Airports: Seattle (SEA) • Cancun Airport (CUN)
Airlines operating this route: Delta Air Lines (DL), Alaska Airlines
Frequently Asked Questions
How many flights operate from Seattle (SEA) to Cancun (CUN)?
There are 2 direct flights operating from Seattle (SEA) to Cancun (CUN). Approximately 3 flights daily.
Which airlines operate flights from Seattle (SEA) to Cancun (CUN)?
2 airlines operate on this route: Delta Air Lines, Alaska Airlines.
How long is the flight from Seattle (SEA) to Cancun (CUN)?
The flight duration from Seattle (SEA) to Cancun (CUN) is approximately 4h 45m - 6h 05m.
What is the distance from Seattle (SEA) to Cancun (CUN)?
The distance from Seattle (SEA) to Cancun (CUN) is 2700 miles (4344 km).
What is the flight time range for this route?
Flight times on this route range from 5h 54m - 5h 59m.
What are the earliest and latest flight departure times?
The earliest flight departs at 07:11 and the latest flight departs at 08:06.
What is the cheapest month to fly from Seattle (SEA) to Cancun (CUN)?
January is typically the cheapest month to fly on this route.
How many flights operate per week on this route?
Approximately 21 flights operate per week from Seattle (SEA) to Cancun (CUN).
What types of aircraft operate on this route?
This route is served by Airbus A321neo, Boeing 737-900 (winglets) Passenger/BBJ3.
What is the average flight price from Seattle (SEA) to Cancun (CUN)?
The average flight price for a round-trip ticket from Seattle (SEA) to Cancun (CUN) is approximately $499 USD. Prices can vary based on booking time, season, and airline.
When is the best time to book flights from Seattle (SEA) to Cancun (CUN) for the lowest prices?
January is typically the cheapest month to fly from Seattle (SEA) to Cancun (CUN). Booking in advance and avoiding peak travel seasons can help you find better deals.
How many airlines offer flights from Seattle (SEA) to Cancun (CUN)?
2 airlines offer direct flights from Seattle (SEA) to Cancun (CUN), providing travelers with multiple options for scheduling and pricing.
How far is Cancun (CUN) from Seattle (SEA)?
The distance from Seattle (SEA) to Cancun (CUN) is 2700 miles (4344 km). This is a long-haul flight route.
How long does it take to fly from Seattle (SEA) to Cancun (CUN)?
The flight time from Seattle (SEA) to Cancun (CUN) is approximately 4h 45m - 6h 05m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.
What city does Cancun (CUN) serve?
Cancun (CUN) serves Cancun, MX.