Cheap flights from Seattle to Cancun

Compare Seattle 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 to Cancun

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

Cancun.P18,179 per passenger.Departing Sat, 10 May, returning Sat, 17 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Sat, 10 May, arriving in Cancun.Inbound indirect flight with Spirit Airlines, departs from Cancun on Sat, 17 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P18,179, select.

Cancun.P20,523 per passenger.Departing Sat, 26 Apr, returning Fri, 2 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Sat, 26 Apr, arriving in Cancun.Inbound indirect flight with Spirit Airlines, departs from Cancun on Fri, 2 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P20,523, select.

Cancun.P22,530 per passenger.Departing Mon, 21 Apr, returning Thu, 24 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Seattle / Tacoma International on Mon, 21 Apr, arriving in Cancun.Inbound indirect flight with Spirit Airlines, departs from Cancun on Thu, 24 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P22,530, select.

Cancun.P22,955 per passenger.Departing Mon, 21 Apr, returning Wed, 30 Apr.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 21 Apr, arriving in Cancun.Inbound direct flight with Delta departs from Cancun on Wed, 30 Apr, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P22,955, select.

Cancun.P22,955 per passenger.Departing Mon, 2 Jun, returning Thu, 5 Jun.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 2 Jun, arriving in Cancun.Inbound direct flight with Delta departs from Cancun on Thu, 5 Jun, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P22,955, select.

Cancun.P22,963 per passenger.Departing Mon, 12 May, returning Wed, 14 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 12 May, arriving in Cancun.Inbound direct flight with Delta departs from Cancun on Wed, 14 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P22,963, select.

Cancun.P23,041 per passenger.Departing Tue, 22 Apr, returning Thu, 29 May.Return flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 22 Apr, arriving in Cancun.Inbound direct flight with Delta departs from Cancun on Thu, 29 May, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P23,041, select.

Cancun.P23,790 per passenger.Departing Wed, 16 Jul, returning Tue, 22 Jul.Return flight with United.Outbound indirect flight with United, departs from Seattle / Tacoma International on Wed, 16 Jul, arriving in Cancun.Inbound indirect flight with United, departs from Cancun on Tue, 22 Jul, arriving in Seattle / Tacoma International.Price includes taxes and charges.From P23,790, select.

Find the cheapest month to fly from Seattle to Cancun

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle to Cancun flights are currently cheapest in May.

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Direct flights from Seattle to Cancun

Seattle to Cancun: Alternative routes

Compare routes from Seattle 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	P18,179
Cheapest month to fly	May
Average flight time	5 hrs, 52 mins
Most popular airline	Hawaiian Airlines
Average flights per week	37

Finding cheap flights from Seattle to Cancun: Frequently asked questions

How much are return flights from Seattle to Cancun?

The best price we found for a return flight from Seattle to Cancun is P18,179. 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.

How long does it take to fly from Seattle to Cancun?

5 hours and 52 minutes is the average flight time from Seattle to Cancun.

Which airlines fly direct from Seattle to Cancun?

Hawaiian Airlines, Alaska Airlines and Qatar Airways fly direct from Seattle to Cancun.

How many flights are there a week from Seattle to Cancun?

As of April 2025, there are 74 flights per week flying from Seattle to Cancun.

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

The cheapest month to fly from Seattle to Cancun is usually April 2025.

Which upcoming date is cheapest to fly from Seattle to Cancun Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seattle to Cancun Airport on Saturday, 10 May 2025.

Can I get a direct flight from Seattle to Cancun Airport?

Yes – the average flight time is 5 hours and 52 minutes.

How can I find the best flight deal to Cancun?

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.

When is the best time to book flights to Cancun?

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.

Travelling from Seattle to Cancun International Airport (CUN): what you need to know

There are a couple of main airports to choose from in Seattle. Check out your options leaving from Seattle-Tacoma International Airport (SEA) or Lake Union Sea Plane Base (LKE) when reserving your flight from Seattle to Cancun International Airport (CUN).
Around 5 hours 54 minutes is how long you can expect to be in the air on a direct flight from Seattle to Cancun International Airport.
The timezone in Cancun is UTC-5, which is 2 hours ahead of Seattle. Cancun International Airport is located in Cancun.
Seattle-Tacoma International Airport (SEA) to Cancun International Airport (CUN) is the most popular route. There are 19 direct departures a week to choose from. If you prefer starting your day later, hop on the last flight with Alaska Airlines at 22:40. Opt for the first SEA to CUN departure operated by Alaska Airlines at 07:00 if you want to get going earlier.
To ensure you get on your flight from Seattle to CUN, leave enough time for things like baggage drop and finding your gate. Arriving two hours ahead of international departures and an hour before domestic flights is the general travel rule.
July is a busy month for travelling. If you're taking off then or around a major holiday like July Fourth, be there even earlier. Aim for at least two hours ahead for domestic flights and as much as four hours for international journeys.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) makes it easy to travel directly to your destination. Nonstop flights from Seattle to Cancun International Airport (CUN) take off from this terminal.
Book your direct flight from Seattle to Cancun International Airport with Alaska Airlines. This popular carrier offers services from SEA.
We make it a piece of cake to find a flight from Seattle to CUN with a stopover. To see all the options leaving from Seattle-Tacoma International Airport (SEA), deselect 'Direct flights only.' Next, pick a flight with a stop long enough to tour the city of your choice. Popular stopovers between SEA and CUN include:
- Denver International Airport (DEN)
- George Bush Intercontinental Airport (IAH)
- Dallas/Fort Worth International Airport (DFW)
The distance from central Seattle to SEA is about 23 kilometres. Use Google Maps for the best way to get there, whether you're driving or taking public transport.
Need a convenient hotel close to Seattle-Tacoma International Airport? If you're boarding an early flight from Seattle to Cancun International Airport, these accommodation options will put you moments from your check-in counter:

Lake Union Sea Plane Base (LKE)

Lake Union Sea Plane Base (LKE) offers nonstop flights from Seattle to Cancun International Airport (CUN).
Delta has direct flights from Seattle to CUN out of LKE. Book your favourite aisle (or window) seat and arrive at your destination without any detours.
Split up your flight from Seattle to Cancun International Airport with a stop so you can freshen up or tick a new place off your list. Some top stopovers between Lake Union Sea Plane Base and CUN include:
- Austin-Bergstrom International Airport (AUS)
- Denver International Airport (DEN)
- Dallas/Fort Worth International Airport (DFW)
LKE is about 3 kilometres from central Seattle. It takes 11 minutes or so to get to the airport by car from the city centre. Public transport takes approximately 23 minutes.
You're off on holiday, so why not book an additional night away? Think about checking in to one of these accommodation options near Lake Union Sea Plane Base the day before your flight from Seattle to CUN:

About Cancun International Airport (CUN)

Book a hotel near CUN if you're catching a late flight from Seattle to Cancun International Airport. Check in to one of these options and skip the long transfer:

Getting from Cancun International Airport (CUN) to central Cancun

Cancun International Airport to the centre of Cancun takes around 26 minutes by car. It's approximately 19 kilometres away. Find out what options are available, such as cabs, car rentals or ride-sharing services.

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

P8,485 is the lowest price we've seen for a one-way ticket from Seattle to Cancun International Airport. Return flights start from P18,148. Prices are subject to change based on availability and may vary at the time of booking.
You're more likely to find cheap tickets from Seattle to CUN when you book 8 months ahead of takeoff. We crunched the flight price data and found that's when fares on this route are typically at their lowest.
The cheapest month for tickets from Seattle to Cancun International Airport is May. Use the 'Whole month' search feature to find the most affordable day to fly if you're flexible with your departure dates.
Sign into your online account or use the app to create a Price Alert. We'll get in touch right away if there's a deal you won't want to miss. It doesn't take long, and it'll save you time looking for cheap tickets from Seattle to CUN every day.
Use the filters to tailor your flights from Seattle to Cancun International Airport. Enter your ideal departure and arrival times, number of stops and airlines. You can also sort your results by 'Cheapest' to find the best deals.

The best time to fly from Seattle to Cancun International Airport (CUN)

July is the most popular month to hop on a flight from Seattle to Cancun International Airport while May is the quietest. To work out the ideal time to visit Cancun, consider the pace you prefer to travel at.
Think about the kind of weather that'll suit your plans for Cancun. The warmest month is August. Lock in your flights from Seattle to CUN sometime then and you can expect temperatures of between 26ºC and 32ºC.
Travel in January for cooler conditions. Temperatures average between 20ºC and 27ºC. However, this city promises a good time whenever you book your cheap flights from Seattle to Cancun International Airport.

More about Cancun

Start your Cancun trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Seattle to Cancun International Airport, check out our range of accommodation options including:
One of the best ways to get a feel for Cancun is to explore its leading attractions. Highlights include Playa Delfines, El Rey Ruins and Dubai Palace Casino.

Complete your Cancun trip with a car rental

Once you've booked your hotel and cheap flight from Seattle to Cancun International Airport, your next task is choosing one of our car rentals in Cancun. Explore the deals and easily compare options on price, fuel policies, and more.