SEA - CUN

$164 Find Cheap Flights from Seattle to Cancun - Compare and Save

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Everything you should know

Cheapest round-trip
$424
Typical prices: $494-$781
Multiple Airlines
Sat 11/10Sun 12/9
SEA - CUN • 2 stops
Cheapest non-stop
$654
Typical prices: $521-$812
Aeromexico
Thu 11/15Fri 11/23
SEA - CUN • Non-stop
Nonstop flights
There are currently no direct flights between Seattle and Cancún. You'll need to take a connecting flight to reach the destination.
Insights
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When to book
in advance
Our data shows that travelers who book at least 11 weeks in advance save around 26% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 20% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $447 (round-trip)
Shortest trip • 8h 38m (one-way)
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Insights
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We hope you love your trip to Cancún!
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Expert advice
Flight Deals

Cheap Flights from Seattle to Cancún (SEA-CUN)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Cancún

Tue, Nov 10 - Wed, Dec 9
Multiple Airlines Logo
7:41 pm - 11:57 pmSEA  Seattle/Tacoma Intl-CUN Cancun
25h 16m2 stops Denver Intl Mexico City Benito Juarez
Multiple Airlines Logo
10:20 am - 7:08 pmCUN  Cancun-SEA Seattle/Tacoma Intl
11h 48m1 stop Guadalajara Miguel Hidal
$424Multiple Airlines
Tue, Feb 2 - Tue, Feb 16
Volaris Logo
9:07 pm - 3:31 pmSEA  Seattle/Tacoma Intl-CUN Cancun
15h 24m1 stop Guadalajara Miguel Hidal
Volaris Logo
10:20 am - 7:08 pmCUN  Cancun-SEA Seattle/Tacoma Intl
11h 48m1 stop Guadalajara Miguel Hidal
$432Volaris
Fri, Jan 29 - Sat, Feb 6
Volaris Logo
9:07 pm - 12:04 pmSEA  Seattle/Tacoma Intl-CUN Cancun
11h 57m1 stop Guadalajara Miguel Hidal
Volaris Logo
10:20 am - 7:08 pmCUN  Cancun-SEA Seattle/Tacoma Intl
11h 48m1 stop Guadalajara Miguel Hidal
$442Volaris
Sat, Oct 24 - Sat, Oct 31
Air Canada Logo
5:40 am - 9:45 pmSEA  Seattle/Tacoma Intl-CUN Cancun
14h 05m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:30 pm - 3:37 pmCUN  Cancun-SEA Seattle/Tacoma Intl
20h 07m2 stops Toronto Pearson Intl Vancouver Intl
$451Air Canada
Sat, Oct 24 - Sat, Oct 31
Air Canada Logo
5:40 am - 9:45 pmSEA  Seattle/Tacoma Intl-CUN Cancun
14h 05m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
Air Canada Logo
9:30 pm - 9:59 pmCUN  Cancun-SEA Seattle/Tacoma Intl
26h 29m1 stop Toronto Pearson Intl
$451Air Canada
Tue, Oct 6 - Thu, Oct 15
Multiple Airlines Logo
11:00 pm - 3:28 pmSEA  Seattle/Tacoma Intl-CUN Cancun
14h 28m1 stop Guadalajara Miguel Hidal
Multiple Airlines Logo
5:20 pm - 2:22 pmCUN  Cancun-SEA Seattle/Tacoma Intl
23h 02m1 stop Vancouver Intl
$456Multiple Airlines
Thu, Oct 15 - Thu, Oct 22
Frontier Logo
8:00 pm - 12:41 pmSEA  Seattle/Tacoma Intl-CUN Cancun
14h 41m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson
Frontier Logo
1:51 pm - 9:48 amCUN  Cancun-SEA Seattle/Tacoma Intl
21h 57m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$547Frontier
Sat, Oct 3 - Thu, Oct 8
Frontier Logo
8:15 pm - 12:37 pmSEA  Seattle/Tacoma Intl-CUN Cancun
14h 22m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson
Frontier Logo
1:51 pm - 9:48 amCUN  Cancun-SEA Seattle/Tacoma Intl
21h 57m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl
$548Frontier
Tue, Dec 15 - Fri, Jan 15
Southwest Logo
5:40 am - 7:45 pmSEA  Seattle/Tacoma Intl-CUN Cancun
11h 05m2 stops Phoenix Sky Harbor Intl Houston Hobby
Southwest Logo
3:40 pm - 10:40 pmCUN  Cancun-SEA Seattle/Tacoma Intl
10h 00m1 stop Phoenix Sky Harbor Intl
$555Southwest
Wed, Jan 20 - Tue, Jan 26
Southwest Logo
5:00 am - 7:45 pmSEA  Seattle/Tacoma Intl-CUN Cancun
11h 45m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
9:40 am - 9:30 pmCUN  Cancun-SEA Seattle/Tacoma Intl
14h 50m2 stops Houston Hobby Phoenix Sky Harbor Intl
$555Southwest
Booking Insights

Price, demand and travel trends for Seattle to Cancún flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Seattle to Cancún with more confidence.

What's the cheapest day of the week to fly from Seattle to Cancún?

Wednesday is the cheapest day of the week to fly from Seattle to Cancún, it is 8% cheaper than the average day. Sunday is the most expensive day with flight prices 4% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Seattle to Cancún?

  • January is the cheapest month to fly from Seattle to Cancún at $500 round-trip.
  • December ($787) and April ($684) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 57% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Seattle to Cancún the cheapest?

Flights from Seattle to Cancún are cheapest 11 weeks before departure. Booking in this window typically costs about 26% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Seattle to Cancún

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Delta

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Harriet Baskas

Harriet Baskas

Expert on Alaska Airlines and SEA

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Brandon Schultz

Brandon Schultz

Expert on CUN

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Key details for Seattle to Cancún flights

Low season

September

Cheapest flight

$164
Best time to beat the crowds with an average 4% drop in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Seattle to Cancún

When to book flights from Seattle to Cancún

Are your dates flexible? Find out the best times to travel from Seattle to Cancún based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Seattle to Cancún flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Are there nursing stations at Seattle-Tacoma?

    There are various nursing rooms throughout the Seattle-Tacoma International Airport. Mothers can enjoy some privacy and quiet time before boarding their flight to Cancun. You’ll find a nursing room in each concourse, by Gate A10, by A1 before entering Concourse B, C10, D3 and D11, S9, and across from N19. There are also companion care restrooms around the airport.

  • Do I need to exchange currency at Cancun International Airport (CUN)?

    You will need to exchange some USD for Mexican Pesos (MXN) to have cash for your trip to Cancun. This is possible to do upon your arrival at Cancun International Airport (CUN). There are currency exchange desks in the arrival halls of the terminals. For instance, there is a currency exchange location on Level 0 of Terminal 2, by Starbucks.

  • Are there any pet relief areas at Seattle-Tacoma (SEA)?

    For those traveling out of Seattle-Tacoma International Airport (SEA) with pets or service animals, visit one of the airport’s pet relief areas close to your departure gate. Here your pet can stretch its legs and relieve itself before the long flight to Cancun. You’ll find the relief areas in front of security Checkpoints 1 and 3 on the departure floor, and by the blue train station at Concourse S.

  • How can I get from Cancun International Airport to Downtown Cancun?

    If you don’t wish to get a taxi, it’s possible to book an airport bus that takes you to main areas like Downtown Cancun, Playa del Carmen, or Tulum. The Downtown Cancun bus departs from Terminals 2, 3, and 4. You can expect the ride to be about 35 minutes long and for it to cost around 133.70 MXN (6.80 USD). Other destinations such as Playa del Carmen may cost more, closer to 277.60 MXN (13.50 USD).

  • Which airlines offer extra legroom and free seat selection on Seattle to Cancún flights?

    Among airlines operating Seattle to Cancún flights:

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

  • What airlines are available from Seattle to Cancún?

    Only Delta operates flights between Seattle and Cancún.

  • Which airports can I use when flying from Seattle to Cancún?

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

  • Which airlines include bags at no extra cost on Seattle to Cancún flights?

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

    • Delta: a cabin bag and a checked bag in Economy Class
    • Aeromexico: a cabin bag and a checked bag in Economy Class
    • Alaska Airlines: a cabin bag and a checked bag in First Class

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

  • What cabin classes can I book on flights from Seattle to Cancún?

    Four cabin classes are available on flights from Seattle to Cancún:

    • Economy Class
    • Premium Economy Class
    • Business Class
    • First Class

    Prices vary by airline.

  • How much can I save by taking a layover when flying from Seattle to Cancún?

    On this route, layover flights are cheaper than nonstop options on average. Layover fares average $447 round-trip via Los Angeles Los Angeles (LAX), compared to $649 for nonstop.

  • What is the standard checked-bag allowance on flights from Seattle to Cancún?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $30–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Seattle to Cancún?

    The Airbus A321neo family is used most often on this route, operated mainly by Delta and Aeromexico. Other aircraft seen on the route include Airbus A321-100/200 variants.

  • Which airports do connecting flights from Seattle to Cancún pass through?

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

    • Guadalajara Miguel Hidal (GDL) - 44% of one-stop connections
    • Dallas/Fort Worth (DFW) - 25% of one-stop connections
    • Denver Intl (DEN) - 9% of one-stop connections
    • Houston George Bush Intcntl (IAH) - 6% of one-stop connections

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

  • Can I save money by using flexible dates for flights from Seattle to Cancún?

    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 $580 round-trip on average, while Sunday is the most expensive at $654, a difference of $74. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • What popular places can I visit in Cancún?

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

  • How long is a flight from Seattle to Cancún?

    A nonstop flight from Seattle to Cancún takes 5h 55m, covering 2,683 miles.

  • What are the earliest and latest flights from Seattle to Cancún?

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

    • Earliest: departs at 7:10 am and lands at 1:05 pm
    • Latest: departs at 7:10 am and lands at 1:05 pm.

    The flight takes about 5h 55m.

  • How expensive are last-minute Seattle to Cancún flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 17% above the route average of $626. Book 11 weeks before departure for the lowest fares.

  • Do I need a passport to fly from Seattle to Cancún?

    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.

  • Have flight prices from Seattle to Cancún changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $424 to $2,759. That means the highest observed fare was about 7x higher than the lowest one.

  • How are flight prices from Seattle to Cancún looking right now?

    One-way fares from Seattle to Cancún are currently lower than usual. Average one-way flight prices are about $209, which is 35% below the typical average for this route.

  • How much time can I save by choosing a different layover airport from Seattle to Cancún?

    Flying via Houston George Bush Intcntl (IAH) gives the shortest average 1-stop total travel time at 8h 38m, compared with 8h 43m via Dallas/Fort Worth (DFW) and 9h 08m via Salt Lake City (SLC).

  • What is the time difference between Seattle and Cancún?

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

  • What car rental options are available at Cancun Airport (CUN)?

    Cancun Airport (CUN) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    · MEXRENTACAR
    · Hertz
    · America Car Rental
    · Budget
    · Europcar

  • How much should I expect to pay for a Seattle to Cancún flight?

    Round-trip flights from Seattle to Cancún range from $494 to $781, with an average of $626 over the past 12 months. Anything below $494 counts as a good deal.

  • Which airlines offer Wi-Fi on Seattle to Cancún flights?

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

    • • Delta
    • • Alaska Airlines
    • • JetBlue

    Pricing varies by airline and fare class. Some plans are included with the ticket or loyalty program; others are paid add-ons priced by flight length.

Your guide to booking Seattle to Cancún flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Wednesday departure instead of Sunday. On this route, Wednesday flights average $580 - about $74 less than Sunday (11% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 11 weeks before you fly. On this route, that window historically saves about 26% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Seattle to Cancún trip for January. Fares historically average $500 round-trip in that month - typically $287 less than the most expensive month, which is December (based on the last 12 months).
  • If you have the time, taking a 1-stop flight through Los Angeles Los Angeles Airport (LAX) can be cheaper than flying direct. The cheapest layover option averages $447 round-trip on this route - about $203 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Cancun Airport.
    - Courtyard by Marriott Cancun Airport
    - Hilton Garden Inn Cancun Airport
    - City Express by Marriott Cancun Aeropuerto
  • Although there are some direct routes from Seattle-Tacoma International Airport (SEA) to Cancun International Airport (CUN), they are generally more affordable with a layover in between. United Airlines makes a stop in Denver (DEN), while American Airlines stops in Dallas-Fort Worth (DFW).
  • If you’re renting a car from Cancun International Airport (CUN) the agencies are located in the airport surroundings. As you exit the arrival hall of your entry terminal, follow the indications for the car rental area, and pick up your car directly from the airport parking lot.
  • Decompress and relax before your long flight from Seattle to Cancun. At Seattle-Tacoma Airport there are spas you can enjoy before your boarding time. There’s a Getaway Spa near the Terminal’s Gate A5 and another by Gate C2.
  • Use the free SEA Underground when getting around Seattle-Tacoma International Airport (SEA), especially to Concourses N and S since they are only connected to the terminal by train. There are three train lines, yellow, green, and blue, that connect all the stations in the Terminal Concourses.
  • Cancun International Airport (CUN) is the best hub to fly into to visit some iconic destinations in the Riviera Maya. This airport serves top attractions like Tulum, the Playa del Carmen, and Playa Delfines.

Everything you need to know for your flight from Seattle to Cancún

Information on your arrival and departure airports