Price observed over the last 3 months for a round trip.
Compare all flight tickets and find cheap flights from Seattle to Cancún
The cheapest flights right now
Seattle – Cancun
Outbound – Nov 29, 2026
direct
5h 55m Return – Dec 8, 2026
direct
6h 40m $551
yesterday
Seattle – Cancun
Outbound – Nov 29, 2026
direct
5h 55m Return – Dec 8, 2026
direct
6h 47m $565
yesterday
Seattle – Cancun
Outbound – Nov 29, 2026
direct
5h 55m Return – Dec 8, 2026
direct
6h 40m $558
yesterday
* Prices are in USD per passenger, including taxes, for a round trip. Prices are based on searches carried out within the last 72 hours. Please note that availability and ticket prices are subject to change and should not be considered as the final price quoted.
Cheapest flight tickets
$376
Average price of a round trip
$452
Average flight ticket price recorded over the last 3 months for a round trip.
Flight duration
22h32
A flight from Seattle to Cancún takes on average 22h32.
Best time
September
According to user searches, the ideal month to go to Cancún is September.
Tips for finding a cheap flight from Seattle to Cancún
Check out our tips for booking your flight to Cancún (Mexico) from Seattle (USA) at the cheapest possible price.
Usually, the cheapest month to pick up a ticket on this route is February, with an average flight ticket price of $354 (calculation over the last two years). The most touristic season corresponds to the months of December, November and June.
For the cheapest flights, it is advisable to buy your ticket at least 44 days before the departure date.
The airline offering the cheapest flight tickets is Air Canada. A ticket from the airline Air Canada to Cancún costs on average $421.
The airlines that offer the most flights are .
Price of flight tickets from Seattle to Cancún
Here is some information and tips to know before booking your flight:
- Flight ticket prices range from $376 to $539
- The average price of a flight ticket is about $452
- Prices are lowest for stays in the month of February
- The month in which booking a ticket is cheaper is: October
info departure city :
Seattle, USA
airports :
Kenmore Air Harbor Spb. (LKE)
Seattle-Tacoma International Airport (SEA)
Renton Municipal Airport (RNT)
King County International Airport (BFI)
local time :
Seattle is a city in the country USA, the time zone is [[timezone]]. In Seattle, it is currently {fromLocalTime}, the temperature is on average 15°C, with a minimum of 10°C and a maximum of 23°C.
The city of Seattle (SEA) has 4 airport(s): Kenmore Air Harbor Spb., Seattle-Tacoma, Renton and King County
destination info :
Cancún, Mexico
airport :
Cancún International Airport (CUN)
local time :
Cancún is in the country Mexico, the time zone is [[timezone]]. In Cancún, it is currently {toLocalTime}, the temperature is on average 28°C, with a minimum of 27°C and a maximum of 28°C.
The city of Cancún has 1 airport(s): Cancún
Useful info about Cancún
What is the least touristic period to go to Cancún?
If you want to visit Cancún during the least touristic period, choose the month of September.
What is the most popular time to travel to Cancún?
In Cancún, the most popular month is December. It is during this period that the prices offered by airlines are also the highest.
When should I book my flight from Seattle to Cancún?
According to our data, it is recommended to book your flight 44 days before your departure. If you book your flight ticket 7 weeks before your departure, you may find a price below average. The cheapest day to book a flight from Seattle to Cancún is Sunday.
What are the arrival and destination airports when traveling between Seattle and Cancún?
When you leave, you can leave from Seattle-Tacoma, and you will arrive at Cancún.
How to reach Seattle airport from the city centre?
The airport Kenmore Air Harbor Spb. is located 3 km, Seattle-Tacoma is located 16 km, Renton is located 16 km or King County is located 8 km from the city centre. You can access it by using public transportation, taking a taxi, or renting a car.
Are there other means of transportation to go from Seattle to Cancún?
Airplane is the only means of transportation listed on Liligo for this journey.
Are there big differences in weather between Seattle and Cancún?
In summer, the average temperature is 28°C in Cancún and 18°C in Seattle. The average rainfall in summer is 154 mm in Cancún and 38 mm in Seattle. In summer, it is warmer in Cancún and it rains less in Seattle. In winter, it is colder in Cancún and it rains more in Seattle.
