C$ 219 Find Cheap Flights from Seattle to Cancun – Compare and Save

Among airlines operating Seattle to Cancún flights:

• Delta: offers extra legroom; offers free seat selection
• Alaska Airlines: offers extra legroom; offers free seat selection
• Aeromexico: offers extra legroom; offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

2 airlines operate flights between Seattle and Cancún. The airlines offering direct flights on this route include:

• Delta
• Alaska Airlines

Flights from Seattle to Cancún usually depart from Seattle/Tacoma Intl (SEA) and arrive at Cancun (CUN).

Here are some options for this route, based on selected ticket types and cabin classes:

• Delta: a carry-on bag and a checked bag in Economy Class
• Alaska Airlines: a carry-on bag and a checked bag in Economy Class
• Aeromexico: a carry-on bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy Class is available on flights from Seattle to Cancún.

On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 619 round-trip via Los Angeles Los Angeles (LAX), compared to C$ 901 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 42–C$ 139 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

The Airbus A321neo family is used most often on this route, operated mainly by Delta and Aeromexico. Other aircraft seen on the route include Boeing 737-900 Passenger/BBJ3 (winglets) variants.

One-stop flights from Seattle to Cancún most commonly connect through:

• Guadalajara Miguel Hidal (GDL) – 45% of one-stop connections
• Dallas/Fort Worth (DFW) – 25% of one-stop connections
• Denver Intl (DEN) – 10% of one-stop connections
• Salt Lake City (SLC) – 5% of one-stop connections

Guadalajara Miguel Hidal (GDL) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 12% on the Seattle to Cancún route. Wednesday is the cheapest departure day at C$ 804 round-trip on average, while Sunday is the most expensive at C$ 907, a difference of C$ 103. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Morning is the busiest departure period on Seattle to Cancún flights, with 100% leaving in that window. Afternoon departures account for 0%, Evening flights for 0%, and Night flights for 0%.

Some of the most popular sights in Cancún are Nichupte Lagoon, Puerto Cancun, and Hospital Amerimed. These are among the most viewed places in Cancún on KAYAK.

These are the earliest and latest flight times available from Seattle to Cancún:

• Earliest: departs at 7:00 am and lands at 12:57 pm
• Latest: departs at 7:25 am and lands at 1:22 pm.

The flight takes about 5h 57m.

Last-minute fares on this route – booked within 2 weeks of departure – run 17% above the route average of C$ 868. Book 11 weeks before departure for the lowest fares.

A direct flight from Seattle to Cancún takes 5h 57m, covering 6,949 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about C$ 639 to C$ 3,730. That means the highest observed fare was about 6x higher than the lowest one.

One-way fares from Seattle to Cancún are currently lower than usual. Average one-way flight prices are about C$ 344, which is 23% below the typical average for this route.

Flying via Dallas/Fort Worth (DFW) gives the shortest average 1-stop total travel time at 8h 43m, compared with 8h 45m via Houston George Bush Intcntl (IAH) and 9h 08m via Salt Lake City (SLC).

Cancún is 2 hours ahead of Seattle (Eastern Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Cancun Airport (CUN) hosts 5 major car rental companies, with daily rates starting from around C$ 2 for economy cars. Top options include:
• MEXRENTACAR
• Hertz
• America Car Rental
• Budget
• Europcar

Round-trip flights from Seattle to Cancún range from C$ 685 to C$ 1,084, with an average of C$ 868 over the past 12 months. Anything below C$ 685 counts as a good deal.

Three airlines offer in-flight Wi-Fi on Seattle to Cancún flights:

• • Delta
• • Alaska Airlines
• • JetBlue