Cheap Flights from Seattle (SEA) to Cancun (CUN) from HK$1,795~

View HK$1,795 flight on Sun, 2 Nov 2025Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Cancun Intl. Airport (CUN)

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Find Cheap Flights from Seattle (SEA) to Cancun (CUN)

Prices were available within the past 7 days and start at HK$1,795 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to Cancun (CUN)

September is typically the cheapest month to fly

From HK$2,347 - HK$3,070 per traveller.

Graph displaying average flight prices per month

Seattle to Cancun route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Cancun Intl.
Distance
4294 km
Average flight time
4 hours 55 mins

Flights from Seattle to Cancun

Book cheap flights from Seattle (SEA) to Cancun (CUN) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Seattle (SEA) to Cancun (CUN) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Seattle (SEA) to Cancun (CUN) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Cancun flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Cancun and things to do in Cancun for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Cancun more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Cancun is HK$1,795 now!

 

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Cancun Airport?
If you're planning on traveling from SEA to Cancun Intl. Airport (CUN), round-trip flights start from . This figure is based on fares quoted within the last 7 days on Expedia for flights departing within the next year, so don't hang about. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Sea-Tac Airport to Cancun Intl. Airport (CUN)?
This can differ from airline to airline, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Sea-Tac Airport to Cancun Intl. Airport (CUN) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for SEA to Cancun Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to CUN?
With around 4,300 kilometers separating Seattle - Tacoma Intl. Airport (SEA) and Cancun Intl. Airport (CUN), your flight will be a long one. Pack wisely to make your time on board comfortable. Little things like an eye mask and a good neck pillow can make a massive difference.
Which airlines fly direct from SEA to CUN?
Many savvy travelers choose to fly with Alaska Airlines (AS) from Seattle - Tacoma Intl. Airport (SEA) to Cancun Intl. Airport (CUN). This popular airline offers 30 monthly flights, so you can easily find a flight time that's right for you. Another carrier servicing this route is Delta Air Lines (DL). You'll have 21 flights a month to take your pick of.
Are Sea-Tac Airport to Cancun Airport flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an awesome last-minute deal from Seattle - Tacoma Intl. Airport (SEA) to Cancun Airport, but it's also possible to miss out entirely! As many airlines release seats up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares air carrier prices and updates flight deals often, so you can rest easy knowing you're always seeing the latest offers.

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