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 Airport

Looking for a cheap last-minute deal or the best return flight from Seattle to Cancun Airport? If you want to travel next month, return fares start from P22,628. Find the lowest prices on one-way and return tickets right here.

Cancun.P7,265 per passenger.Departing Tue, 14 Apr.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Tue, 14 Apr, arriving in Cancun.Price includes taxes and charges.From P7,265, select.

Cancun.P9,885 per passenger.Departing Thu, 7 May.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 7 May, arriving in Cancun.Price includes taxes and charges.From P9,885, select.

Cancun.P10,778 per passenger.Departing Sat, 4 Jul.One-way flight with Volaris.Outbound indirect flight with Volaris, departs from Seattle / Tacoma International on Sat, 4 Jul, arriving in Cancun.Price includes taxes and charges.From P10,778, select.

Cancun.P11,683 per passenger.Departing Thu, 25 Jun.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Thu, 25 Jun, arriving in Cancun.Price includes taxes and charges.From P11,683, select.

Cancun.P11,766 per passenger.Departing Sat, 1 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Sat, 1 Aug, arriving in Cancun.Price includes taxes and charges.From P11,766, select.

Cancun.P13,689 per passenger.Departing Wed, 13 May.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 13 May, arriving in Cancun.Price includes taxes and charges.From P13,689, select.

Cancun.P13,689 per passenger.Departing Wed, 22 Apr.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Wed, 22 Apr, arriving in Cancun.Price includes taxes and charges.From P13,689, select.

Cancun.P15,637 per passenger.Departing Tue, 8 Sep.One-way flight with Southwest Airlines.Outbound indirect flight with Southwest Airlines, departs from Seattle / Tacoma International on Tue, 8 Sep, arriving in Cancun.Price includes taxes and charges.From P15,637, select.

Cancun.P18,626 per passenger.Departing Mon, 30 Mar.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Seattle / Tacoma International on Mon, 30 Mar, arriving in Cancun.Price includes taxes and charges.From P18,626, select.

Cancun.P19,485 per passenger.Departing Mon, 6 Jul.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 6 Jul, arriving in Cancun.Price includes taxes and charges.From P19,485, select.

Cancun.P19,485 per passenger.Departing Tue, 31 Mar.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Tue, 31 Mar, arriving in Cancun.Price includes taxes and charges.From P19,485, select.

Cancun.P19,485 per passenger.Departing Mon, 10 Aug.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Mon, 10 Aug, arriving in Cancun.Price includes taxes and charges.From P19,485, select.

Cancun.P19,494 per passenger.Departing Fri, 15 Jan.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Fri, 15 Jan, arriving in Cancun.Price includes taxes and charges.From P19,494, select.

Cancun.P19,494 per passenger.Departing Sun, 15 Nov.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sun, 15 Nov, arriving in Cancun.Price includes taxes and charges.From P19,494, select.

Cancun.P19,494 per passenger.Departing Sun, 14 Jun.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sun, 14 Jun, arriving in Cancun.Price includes taxes and charges.From P19,494, select.

Cancun.P19,580 per passenger.Departing Sat, 12 Sep.One-way flight with Delta.Outbound direct flight with Delta departs from Seattle / Tacoma International on Sat, 12 Sep, arriving in Cancun.Price includes taxes and charges.From P19,580, 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 April.

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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.

Cancun

14km from central Cancun

ClosestCheapest

from P7,265

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Seattle to Cancun: Flight information

The things to know before you go.

Cheapest flight found	P7,265
Cheapest month to fly	April
Average flight time	5 hrs, 56 mins
Most popular airline	Alaska Airlines
Average flights per week	26

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 P18,196. 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 56 minutes is the average flight time from Seattle to Cancun.

Which airlines fly direct from Seattle to Cancun?

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

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

As of March 2026, there are 26 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 May.

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 Tuesday, 5 May 2026.

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

Yes – the average flight time is 5 hours and 56 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.

Flying from Seattle to Cancun International Airport (CUN): What you need to know

Planning your trip begins with figuring out where you'll fly out of in Seattle. Seattle-Tacoma International Airport (SEA) is the city's main airport, so explore your options for booking a flight from Seattle to Cancun International Airport (CUN) jetting off from here.
Expect to be in the air for 5 hours 50 minutes. On average, that's the duration of a direct Seattle to Cancun International Airport flight.
Cancun International Airport is located in Cancun. The city runs on the UTC-5 timezone and is three hours ahead of Seattle.
Take your pick of 9 direct flights every week between Seattle-Tacoma International Airport (SEA) and Cancun International Airport (CUN). This is the most popular route, with Alaska Airlines offering a 7am departure from SEA to CUN.
Arrive at the airport on time so you don't miss your flight from Seattle to CUN. Be there at least two hours ahead for international flights and an hour early for domestic departures to skip the mad dash to your gate.
With more people on the move during busy months like July, be at your terminal even earlier. Two hours for domestic flights and up to four for international journeys will allow for extra wait times. Remember things also get busy during major holidays like Christmas and local events or festivals.

Airports in Seattle

Seattle-Tacoma International Airport (SEA)

Seattle-Tacoma International Airport (SEA) offers an easy route to your destination. Nonstop flights from Seattle to Cancun International Airport (CUN) take off from this terminal.
You can get away on a direct flight from Seattle to Cancun International Airport with Delta Air Lines. This top carrier offers services from SEA.
The airline with the highest booking numbers between SEA and CUN is Delta.
With a reliable 94.44% of services arriving on schedule, Delta leads the way in punctuality on this route.
Think about adding a stopover to find cheap flights from Seattle to CUN. Simply deselect 'Direct flights only' when browsing departures from Seattle-Tacoma International Airport (SEA). Break up the journey at one of these airports:
- Dallas Fort Worth International Airport (DFW)
- Denver International Airport (DEN)
- Houston George Bush Intercontinental Airport (IAH)
SEA is about 23 kilometers from central Seattle. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 25 minutes or so to get there, depending on the traffic. If you're planning to take public transport, expect the trip time to be around 35 minutes.
Planning to catch an early flight from Seattle to Cancun International Airport? Avoid rushing to the terminal (and sneak in some extra snooze time) by staying at one of these hotels close to Seattle-Tacoma International Airport:
80% of flights departing from Seattle-Tacoma International Airport arrive at their destination on schedule. Given its strong on-time stats, disruptions are unlikely when flying out of SEA.

Seattle Paine Field International Airport (PAE)

You can arrive at PAE from central Seattle in approximately 40 minutes by car, depending on traffic conditions. The ride on public transport will take roughly 1 hour 30 minutes to travel the 40 kilometers or so.
Got an early start? Think about checking in to one of these hotels near Seattle Paine Field International Airport the day before your Seattle to CUN flight:
Seattle Paine Field International Airport has a reputation for reliability and timeliness. 80% of flights out of here land when expected.

About Cancun International Airport (CUN)

Reserve a hotel close to CUN if you have a late flight from Seattle to Cancun International Airport. Pick one of these options and avoid the hassle of a long transfer:
Booking your ride around three weeks ahead of your Seattle to Cancun International Airport flight can help you get a cheaper deal.

Getting from Cancun International Airport (CUN) to central Cancun

From Cancun International Airport, central Cancun is around 16 kilometers away. It takes about 25 minutes to reach the city centre by car.
It takes around 35 minutes when travelling by public transport.

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

The cheapest price we've found for a one-way ticket from Seattle to Cancun International Airport is P7,265. For a return flight on this route, the best price is P18,317. Depending on how early you book and the availability, these fares could change.
Don't leave everything to the last moment. You're more likely to walk away with cheap flights from Seattle to CUN if you book ahead. Airlines often offer some amazing early bird rates.
The 'Whole month' search tool will show you the cheapest Seattle to Cancun International Airport tickets across the month. It's a good way to find a bargain if your dates are flexible.
There's no need to check every day to find out if fares have dropped when you create a Price Alert. We'll let you know the moment a better deal comes up on plane tickets from Seattle to CUN.
Tailor your flights using filters. Choose your ideal arrival and departure times, airlines and total journey duration. You can also sort the results by 'Best,' 'Cheapest' or 'Fastest' flights from Seattle to Cancun International Airport.

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

It's time to work out your travel dates for your flight from Seattle to Cancun International Airport (CUN). March is the peak month for travel to Cancun. If you prefer a quieter vibe, go in November.
Before locking in your Seattle to CUN plane ticket, consider the weather you're most comfortable in. August is the warmest month in Cancun, with temperatures ranging from 26ºC (79ºF) to 32ºC (90ºF).
Look for cheap tickets from Seattle to Cancun International Airport in January if you'd rather travel during cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 27ºC (81ºF).

More about Cancun

Start your Cancun trip right by choosing the perfect place to stay. Once you've booked your flight from Seattle to Cancun International Airport, browse our range of accommodation options including:
There are so many things to discover in this city, it can be hard to work out where to start. Chichen itzá Park, Cancun Beach and Hotel Zone are leading attractions which should feature on any well-planned Cancun itinerary.

Explore more of Mexico

Cancun has its own special appeal, but there are so many other parts of Mexico just waiting to be explored. About 290 kilometers west of Cancun, a trip to Merida will keep you busy. Start with attractions like Chichen Itza, cenotes y pueblos magicos, Chichen-itza Park and Nva. Chichen Itza Park.
Kanasín is another essential stop in Mexico and is around 274 kilometers west of Cancun. No journey is complete without a visit to Sitio arqueologico Flor de Mayo."Aak'its, Nikté Ch'oom k'íiwik ka'achij", Santa Isabel hacienda. "Santa Isabel hacienda k'íiwik" Park and Villa Mágica Kanasín.