S$205 Cheap Flights from Seattle to Cancun

View S$205 flight on Sat, 1 Nov, 2025Opens in a new window

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

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Cheap Flights from Seattle to Cancun (SEA-CUN)

Prices were available within the past 7 days and start at S$205 for one-way flights and S$1,072 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,072 Return, found 1 day ago
S$1,072
Return
found 1 day ago
Select Delta flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,072 found 1 day ago
United
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,116 Return, found 1 day ago
S$1,116
Return
found 1 day ago
Select United flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,116 found 1 day ago
United
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,123 Return, found 1 day ago
S$1,123
Return
found 1 day ago
Select United flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,123 found 1 day ago
American Airlines
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,142 Return, found 1 day ago
S$1,142
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,142 found 1 day ago
United
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,191 Return, found 1 day ago
S$1,191
Return
found 1 day ago
Select United flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,191 found 1 day ago
American Airlines
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,213 Return, found 1 day ago
S$1,213
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,213 found 1 day ago
American Airlines
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,216 Return, found 1 day ago
S$1,216
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,216 found 1 day ago
American Airlines
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,220 Return, found 1 day ago
S$1,220
Return
found 1 day ago
Select American Airlines flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,220 found 1 day ago
Delta
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,245 Return, found 1 day ago
S$1,245
Return
found 1 day ago
Select Delta flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,245 found 1 day ago
WestJet
Mon, 29 Dec - Fri, 2 Jan
SEA
Seattle
CUN
Cancun
S$1,316 Return, found 1 day ago
S$1,316
Return
found 1 day ago
Select WestJet flight, departing Mon, 29 Dec from Seattle to Cancun, returning Fri, 2 Jan, priced at S$1,316 found 1 day ago

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

March is typically the cheapest month to fly

From S$401 - S$636 per traveller.

Graph displaying average flight prices per month

Seattle to Cancun route information
Origin airport
Seattle - Tacoma Intl.
Destination airport
Cancun Intl.
Airlines serving
American Airlines, Delta
Return price
S$1,071
Distance
4294 km
Average flight time
4 hours 49 mins

Flights from Seattle to Cancun

There are several airlines that operate frequent flights from Seattle (SEA) to Cancun (CUN) including

The earliest flight leaves Seattle Tacoma Intl. Airport at 00:05 and arrives at Cancun Intl. Airport at 04:54. The last flight of the day departs Seattle at 23:59 and arrives at Cancun at 23:40.

The flight distance from Seattle to Cancun is about 4845 km, the shortest flight is 05 hours 33 minutes with Volaris.

Expedia lets you search across the largest number of airlines and Cancun flights, which means that you’ll be able to find a great flight deal at the perfect travel date and time. Our simple-to-use booking engine makes looking for terrific bargains easy and hassle-free; just enter your travel dates and departure city, and let Expedia do the rest! Adjust your travel dates and explore connecting flights to find an even better deal on your Seattle Cancun flight!

Browse through dozens of options and rest 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 to Cancun trip. There’s simply no substitute for great prices suited to your travel needs and backed by excellent customer support.

Combine your Cancun flight with a hotel and/or car rental for a package deal designed to save you even more money! Discover additional savings by booking in advance or find a last minute deal. There are tons of ways to save on your flights from Seattle to Cancun with Expedia. Use us as your stop travel destination and have the confidence that you’re getting a bargain!

Frequently asked questions

How much is a flight from Seattle - Tacoma Intl. Airport (SEA) to Cancun Airport?
If you're planning on travelling from SEA to Cancun Intl. Airport (CUN), round-trip flights start from S$1,072. 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 kilometres 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 travellers 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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