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Flights from Seattle to Cancun

Find Cheapest Airlines Flying from Seattle to Cancun

Choose from 1 airlines flying from Seattle to Cancun, including Alaska Airlines, and . Hawaiian Airlines currently offers the cheapest ticket on this route.
Airlines are determined based on actual purchased flight tickets from Seattle to Cancun according to previous 12 months data from Trip.com.

Find the cheapest direct flight options from Seattle to Cancun over the next three months. Book one-way tickets from CAD 237 and round-trip tickets from CAD 512.

Displayed flight fares from Seattle to Cancun are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Flight Information for Seattle to Cancun Flights

The distance between Seattle and Cancun is 4,320.05km. It takes around 5 hours 49 minutes on average to fly from Seattle to Cancun. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.

Cheapest one-way flight priceCAD 161
Cheapest return ticket priceCAD 483
Off-season travel monthOctober
Peak season for travelJuly
Flight distance4,320.05km
Average flight time5 hours 49 minutes
Popular airlineAlaska Airlines
Flight statistics for the Seattle–Cancun route are based on aggregated booking data from Trip.com over the past 12 months.

When is the cheapest time to fly from Seattle to Cancun?

The cheapest time for Seattle to Cancun flights: Dec 28 to Jan 4 — one way flight prices from CAD 161.

Cheapest flights
From price
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  • 1421
  • 2128
  • Jan

    284
  • 411
  • 1118
  • 1825
  • Feb

    251
  • 18
  • 815
  • 1522
  • Mar

    221
  • 18
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from Seattle to Cancun, calculated over the upcoming 10 weeks.

Flight FAQs

  • Which airlines offer the cheapest flights from Seattle (SEA) to Cancun (CUN)?

    Based on Trip.com data, Frontier Airlines offers one-way fares as low as CAD 161 on Cheapest nonstop routes (e.g. SEA to CUN on Fri, Jan 2), while Aeromexico offers Cheapest nonstop round-trips from CAD 483 departing on Sat, Jan 24 and returning on Sat, Jan 31.
  • At the moment, you can catch a direct flight from Seattle to Cancun with the following airlines, including: Alaska Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 5 hours 49 minutes to fly from Seattle (SEA) to Cancun (CUN).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Seattle to Cancun is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 13 flight per week flying from Seattle to Cancun. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS1400 (08:19)
  • To find best deals on flights from Seattle to Cancun, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jan 2, with one-way flights priced at just CAD 161.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Hawaiian Airlines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Cancun travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Seattle to Cancun is October, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from Seattle to Cancun on December 31, 2025 with Alaska Airlines, with prices starting at CAD 584.
  • You can land at any one of the following hubs in Cancun, with Seattle–Tacoma International Airport to Cancun International Airport (SEA-CUN) is by far the most common option on this route: Cancun International Airport (CUN).
  • The time difference between Cancun and Seattle is 3h.
  • Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.