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Cheap Flights from Seattle / Tacoma International to Cancun

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      Travellers and cabin class, 1 Adult, Economy

      Compare Seattle / Tacoma International to Cancun flight deals

      Find the cheapest month or even day of the year to fly to Cancun

      Book the best Cancun fare with no extra fees

      Flight deals from Seattle / Tacoma International to Cancun

      Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Cancun Airport? If you want to travel next month, return fares start from R 6,139. Find the lowest prices on one-way and return tickets right here.
      Cancun.R 2,266 per passenger.Departing Mon, 15 Mar.One-way flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Mon, 15 Mar, arriving in Cancun.Price includes taxes and charges.From R 2,266, select.
      Cancun.R 2,301 per passenger.Departing Tue, 25 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 25 Aug, arriving in Cancun.Price includes taxes and charges.From R 2,301, select.
      Cancun.R 2,312 per passenger.Departing Sat, 31 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 31 Oct, arriving in Cancun.Price includes taxes and charges.From R 2,312, select.
      Cancun.R 2,416 per passenger.Departing Thu, 24 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 24 Sep, arriving in Cancun.Price includes taxes and charges.From R 2,416, select.
      Cancun.R 2,543 per passenger.Departing Sat, 16 Jan.One-way flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Sat, 16 Jan, arriving in Cancun.Price includes taxes and charges.From R 2,543, select.
      Cancun.R 2,576 per passenger.Departing Sun, 26 Jul.One-way flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Sun, 26 Jul, arriving in Cancun.Price includes taxes and charges.From R 2,576, select.
      Cancun.R 2,906 per passenger.Departing Sat, 7 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 7 Nov, arriving in Cancun.Price includes taxes and charges.From R 2,906, select.
      Cancun.R 3,851 per passenger.Departing Sat, 12 Dec.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Seattle / Tacoma International on Sat, 12 Dec, arriving in Cancun.Price includes taxes and charges.From R 3,851, select.
      Cancun.R 3,905 per passenger.Departing Wed, 10 Feb.One-way flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Wed, 10 Feb, arriving in Cancun.Price includes taxes and charges.From R 3,905, select.
      Cancun.R 4,730 per passenger.Departing Tue, 1 Dec.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 1 Dec, arriving in Cancun.Price includes taxes and charges.From R 4,730, select.
      Cancun.R 5,619 per passenger.Departing Tue, 2 Feb.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 2 Feb, arriving in Cancun.Price includes taxes and charges.From R 5,619, select.
      Cancun.R 5,620 per passenger.Departing Tue, 25 May.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 25 May, arriving in Cancun.Price includes taxes and charges.From R 5,620, select.
      Cancun.R 5,622 per passenger.Departing Sun, 11 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sun, 11 Apr, arriving in Cancun.Price includes taxes and charges.From R 5,622, select.
      Cancun.R 5,628 per passenger.Departing Sat, 16 Jan.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 16 Jan, arriving in Cancun.Price includes taxes and charges.From R 5,628, select.
      Cancun.R 5,628 per passenger.Departing Wed, 18 Nov.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 18 Nov, arriving in Cancun.Price includes taxes and charges.From R 5,628, select.
      Cancun.R 5,700 per passenger.Departing Mon, 15 Mar.One-way flight with Alaska Airlines.Outbound direct flight with Alaska Airlines departs from Seattle / Tacoma International on Mon, 15 Mar, arriving in Cancun.Price includes taxes and charges.From R 5,700, select.

      Find the cheapest month to fly from Seattle / Tacoma International to Cancun

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Cancun flights are currently cheapest in March.
      Jul
      from R 2,559
      Aug
      from R 2,286
      Sep
      from R 2,400
      Oct
      from R 2,297
      Nov
      from R 2,888
      Dec
      from R 3,827
      Jan
      from R 2,526
      Feb
      from R 3,880
      Mar
      from R 2,252
      Apr
      from R 5,586
      May
      from R 5,584
      Jun
      Find prices

      Direct flights from Seattle / Tacoma International to Cancun

      Seattle / Tacoma International to Cancun: Alternative routes

      Compare routes from Seattle / Tacoma International to Cancun below. You may find an airport to fly into that's cheaper, faster, or easier than Cancun.

      Cancun

      14km from central Cancun
      ClosestCheapest
      from R 2,266
      Search flights

      Seattle to Cancun: Flight information

      The things to know before you go.
      Cheapest flight foundR 2,266
      Cheapest month to flyMarch
      Average flight time5 hrs, 59 mins
      Most popular airlineQatar Airways
      Average flights per week34

      Finding cheap flights from Seattle / Tacoma International to Cancun: Frequently asked questions

      The best price we found for a return flight from Seattle / Tacoma International to Cancun is R 5,648. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
      5 hours and 59 minutes is the average flight time from Seattle / Tacoma International to Cancun.
      Qatar Airways, Delta and Aeromexico fly direct from Seattle / Tacoma International to Cancun.
      As of July 2026, there are 34 flights per week flying from Seattle / Tacoma International to Cancun.
      The cheapest month to fly from Seattle / Tacoma International to Cancun is usually August.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Cancun Airport on Wednesday, 26 August 2026.
      Yes – the average flight time is 5 hours and 59 minutes.
      We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cancun but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

      We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Cancun is around 40 days in advance, so don’t leave your flight to the last minute.

      Currently, Frontier Airlines and Delta offer the cheapest flight tickets to Cancun.

      Flying from Seattle / Tacoma International Airport (SEA) to Cancun Airport (CUN): what you need to know

      • Around 6 hours is how long you can expect to be travelling on a direct flight from Seattle / Tacoma International Airport to Cancun Airport.

      • The timezone in Cancun is UTC-5, which is three hours ahead of Seattle.

      • Flights from SEA to CUN start at 07:00 — the first with Alaska Airlines. The last service of the day is at 23:30 with Alaska Airlines. Overall, you can take your pick of nine weekly Seattle / Tacoma International Airport to Cancun Airport flights.

      • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules to live by. Show up at the airport on time to board your SEA to CUN flight.

      • You'll likely experience longer queues during popular months such as July. Arriving up to four hours in advance for international flights and two hours for a domestic departure is a smart move.

      • Delta is your gateway to exploring Cancun (and perhaps some other exciting parts of Mexico!). Check out the direct flights from Seattle / Tacoma International Airport to Cancun Airport offered by this carrier.

      • The airline that tops the list for bookings on this route is Delta.

      • Delta is a leader in on-time performance for SEA to CUN flights, with 94.44% of services arriving as scheduled.

      • Consider adding a stopover when booking your ticket from Seattle / Tacoma International Airport to Cancun Airport. Just uncheck 'Direct flights only' to break up your trip, or even explore someplace new along the way. Check out these options between SEA and CUN:

        • Dallas Fort Worth International Airport

        • Denver International Airport

        • Houston George Bush Intercntl. Airport

      How to find the cheapest flights from Seattle / Tacoma International Airport (SEA) to Cancun Airport (CUN)

      • The lowest price we've found for a one-way Seattle / Tacoma International Airport to Cancun Airport flight is R 2,266. A round-trip fare right now is R 5,612. Depending on the availability and when you book, these fares could change.

      • To find cheap tickets from SEA to CUN, book early. Airlines typically offer their most competitively priced fares when flights are first released.

      • May is the cheapest month for flights from Seattle / Tacoma International Airport to Cancun Airport. If you need to fly during a different time of year, the 'Whole month' tool will show you the lowest airfares for every month.

      • You won't have to check every day to see if fares have gone down when you set up a Price Alert. We'll update you the moment the price changes on cheap flights from SEA to CUN.

      • Discover the perfect flight for you with the help of the filters. To see the 'Fastest,' 'Best' or 'Cheapest' flights from Seattle / Tacoma International Airport to Cancun Airport, use the 'Sort by' tool. You can also filter by departure and arrival times, airline, and number of stops.

      Handy information about Seattle / Tacoma International Airport (SEA)

      • Seattle / Tacoma International Airport maintains a strong on-time record, so flight disruptions are less likely. Departures from SEA arrive on schedule 80% of the time.

      • Central Seattle to Seattle / Tacoma International Airport is approximately 23 kilometres. Depending on traffic, it'll take about 25 minutes to get there if you're catching a taxi, ride-sharing or driving.

      • Planning to take public transport? You can expect a journey time of around 35 minutes.

      • Get your journey off to a relaxed start by staying near SEA. Whether you're catching an early flight from Seattle / Tacoma International Airport to Cancun Airport or just don't like being rushed, these stays are perfect:

      Arriving at Cancun Airport (CUN)

      • If you're getting in on a late Seattle / Tacoma International Airport to Cancun Airport flight, few things top the convenience of staying near the terminal. Grab your luggage from the carousel and then be showered and snoozing shortly after at one of these accommodation options near CUN:

      • Grab a Cancun Airport rental car and discover Cancun and beyond with your own wheels. MEX, America and Europcar are popular providers you can book with here.

      • Reserving your vehicle from Cancun Airport around three weeks in advance can help you get the lowest rate.

      Getting from Cancun Airport (CUN) to central Cancun

      • From Cancun Airport, Cancun is approximately 16 kilometres away. It takes around 25 minutes to drive to the centre.

      • Travelling on public transport will take you roughly 35 minutes.

      When to fly to Cancun Airport (CUN)

      • It's time to choose your trip dates for your flight from Seattle / Tacoma International Airport to Cancun Airport. April is the busiest month to head to Cancun. If you want a more laid-back vibe, go in March.

      • Before locking in your flight from Seattle / Tacoma International Airport to Cancun Airport, think about the type of weather you enjoy. August is the warmest month in Cancun, with the temperature ranging from 26ºC (79ºF) to 32ºC (90ºF).

      • For cooler conditions, look for a cheap ticket from SEA to CUN in January. Average temperatures are between 20ºC (68ºF) and 27ºC (81ºF) then.

      Explore more of Mexico

      • Cancun has plenty going for it, but there are so many other corners of Mexico just waiting to be explored. Around 290 kilometres west of Cancun, a visit to Merida will keep you busy. Check out popular attractions like Chichen Itza, cenotes y pueblos magicos, Chichen-itza Park and Nva. Chichen Itza Park.

      • Campeche is another sought-after destination in Mexico and is around 418 kilometres west of Cancun. No journey is complete without a visit to Zona Arquelogica Edzna, Old City Wall and Plaza de la Independencia.

      Plan the rest of your trip from Seattle to Cancun

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.