Cheap flights from Seattle / Tacoma International to Cancun

Compare Seattle / Tacoma International to Cancun flight deals

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

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Flight deals from Seattle / Tacoma International to Cancun

Looking for a cheap last-minute deal or the best round-trip flight from Seattle / Tacoma International to Cancun? Find the lowest prices on one-way and round-trip tickets right here.

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.

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.

Seattle to Cancun: Flight information

The things to know before you go.
Cheapest flight found$301
Cheapest month to flyMarch
Average flight time5 hrs, 54 mins
Most popular airlineHawaiian Airlines
Average flights per week58

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

The best price we found for a round-trip flight from Seattle / Tacoma International to Cancun is $301. 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 54 minutes is the average flight time from Seattle / Tacoma International to Cancun.
Hawaiian Airlines, Alaska Airlines and Aeromexico fly direct from Seattle / Tacoma International to Cancun.
There are 58 flights per week flying from Seattle / Tacoma International to Cancun, as of October 2024.
The cheapest month to fly from Seattle / Tacoma International to Cancun is usually October 2024.
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 Saturday, March 1, 2025.
Yes – the average flight time is 5 hours and 54 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 Alaska Airlines offer the cheapest flight tickets to Cancun.

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

  • The average time for a direct flight from Seattle-Tacoma International Airport to Cancun International Airport is 5 hours 54 minutes. Cancun's timezone is UTC-5, which makes Cancun 2 hours ahead of Seattle.

  • You can choose from 19 weekly flights from Seattle-Tacoma International Airport to Cancun International Airport. The 07:00 departure with Alaska Airlines is the earliest you can take from SEA to CUN. Alaska Airlines operates the latest service of the day at 22:40 if you're not into early starts.

  • You can expect longer queues during popular months such as July and other peak periods. Arriving up to fours hours ahead of international flights and two hours for a domestic departure will give you ample time for security and boarding.

  • Delta Air Lines is your gateway to discovering Cancun (and perhaps some other great parts of Mexico!). Look through the direct flights from Seattle-Tacoma International Airport to Cancun International Airport offered by this airline.

  • If you'd like a stopover for your flight from Seattle-Tacoma International Airport to Cancun International Airport, just deselect 'Direct flights only' and explore your options. Here are the most popular stopovers between SEA and CUN:

    • Denver International Airport

    • George Bush Intercontinental Airport

    • Dallas/Fort Worth International Airport

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

  • The best price we've found for a one-way ticket from Seattle-Tacoma International Airport to Cancun International Airport is $134. The cheapest price for a return flight is $302. Bear in mind that fares could change due to demand at the time of booking.

  • To score cheap tickets from SEA to CUN, reserve your trip 9 months before your departure.

  • May is the cheapest month for tickets from Seattle-Tacoma International Airport to Cancun International Airport. If you want to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares across every month.

  • Sign into your online account or use the app to create a Price Alert. We'll get in touch straight away if there's a cheaper deal on this route. It's simple to do, and it'll save you from checking for cheap tickets from SEA to CUN every day.

  • Use filters to tailor your flights from Seattle-Tacoma International Airport to Cancun International Airport. Simply enter your preferred departure and arrival times, airlines and number of stops. Or sort your results by 'Cheapest' to find the best deals.

Handy information about Seattle-Tacoma International Airport (SEA)

  • Located around 23 kilometers from the center of Seattle, Seattle-Tacoma International Airport can be reached in about 18 minutes by car (depending on traffic). The ride on public transport is roughly 54 minutes.

  • Want a leisurely start to your break? Stay near SEA. Whether you've booked an early flight from Seattle-Tacoma International Airport to Cancun International Airport or want to avoid feeling rushed, these stays are just the thing:

Arriving at Cancun International Airport (CUN)

Getting from Cancun International Airport (CUN) to central Cancun

  • From Cancun International Airport, Cancun is approximately 19 kilometers away. It takes around 26 minutes to reach the center driving.

When to fly to Cancun International Airport (CUN)

  • The quietest month for a flight from Seattle-Tacoma International Airport to Cancun International Airport is May, while July is the most popular. Pick the ideal time to go to Cancun based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • When booking your flight from Seattle-Tacoma International Airport to Cancun International Airport, think about the kind of weather you like. August is the warmest month in Cancun, with the temperature ranging from 26ºC to 32ºC.

  • January sees average temperatures of between 20ºC and 27ºC. Search for cheap tickets from SEA to CUN around that time if you want to travel when it's cooler.

More about Cancun

  • Once you've booked your flights from SEA to CUN, you'll want to find a hotel in Cancun. Make one of these accommodation options your base for exploring this city:

  • Playa Delfines and El Rey Ruins are just a couple of the major attractions to put on your Cancun travel itinerary. Keep the sightseeing going at Dubai Palace Casino.

Complete your Cancun trip with hotels and a car rental

  • Comparing flights is not our only party trick. Once you've booked your cheap ticket to Cancun International Airport, check out our car rental deals that'll give you the flexibility and freedom to see the sights at your own pace. Next, take a look at our exclusive rates for hotels to find your ideal Cancun stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.