Cheap flights from Seattle to Cancún from C$ 216
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Cancún departing on 5/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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How to get the cheapest flight ticket from Seattle to Cancún
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Cancún?
In general, September is the cheapest month to fly from Seattle to Cancún. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 664. The month of October is another great option to travel to Cancún, with average flight prices from Seattle averaging around C$ 671.
What is the cheapest day to depart on your flight to Cancún?
The cheapest day to depart from Seattle to Cancún is on a Tuesday. Travellers who choose to depart for Cancún on a Tuesday will often find tickets for as low as C$ 625. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around C$ 800. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cancún.
What is the cheapest time of day to depart on your flight to Cancún?
Our data shows that the cheapest Seattle to Cancún flights are usually those with departure times in the afternoon. Our users have found flights to Cancún in the afternoon for as low as C$ 325. Flights to Cancún are more costly in the evening, with an average ticket price of C$ 795. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest Seattle/Tacoma Intl to Cancun flight route?
Fly from Seattle/Tacoma Intl to Cancun for the best Seattle/Tacoma Intl - Cancun flight prices
How far in advance should I book a flight to Cancún?
You are more likely to see cheaper flights to Cancún from Seattle when booking 25 weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around C$ 795 when searching 25 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cancún from Seattle for as low as C$ 759 on momondo.
What cabin class options are available on Seattle/Tacoma Intl to Cancun flights?
There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Cancun flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
Can stopping save me money on Seattle to Cancún flights?
You could potentially save up to 60% on your flight if you consider stops on a Seattle to Cancún flight.
How have Seattle to Cancún flight prices changed over time?
As of June 2025, prices for Seattle to Cancún flights are approximately 5% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Cancun?
Delta, Alaska Airlines, and Hawaiian Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Cancun
Which airlines fly to Cancún?
Alaska Airlines, Aeromexico and Delta are the top three most popular airlines that fly to Cancún from Seattle according to our data. Alaska Airlines is the first choice among our users, with 41% of people opting to fly with this airline when travelling to Cancún. Keep in mind that there are 4 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.
How many flights depart from Seattle to Cancún on average per day?
As of June 2025, 3 flights take off from Seattle and land in Cancún each day. The most common flight departure time for this route is 7:00a.m., with 100% of daily flights taking off at noon.
How many flights depart from Seattle to Cancún on average per week?
21 flights are operational weekly from Seattle to Cancún as of June 2025. The most popular departure day for this route is Mon, with 14% of flights per week taking off on this day.
When to book flights from Seattle to Cancún
Cheap Seattle to Cancún (SEA to CUN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Seattle to Cancún
How far is Seattle/Tacoma Intl to Cancun by plane?
A flight from Seattle/Tacoma Intl to Cancun will travel around 4321.5 km. In terms of flight time, this usually takes a little over 5h 45m.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Cancun Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Cancun Airport are updated daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cancun Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Cancun Airport is 4 as of June 2025.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cancun Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Cancun Airport.
What documentation or ID do you need to fly to Cancun Airport?
The necessary travel and health documents for your Cancun Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Cancún?
momondo data reveals that the most frequently booked plane model on the route from Seattle to Cancún is Airbus A321neo, representing 75.75% of all bookings. The subsequent popular models are Boeing 737 MAX 9 at 8.69%, Boeing 737-900 Passenger/BBJ3 (winglets) at 6.79%, and Boeing 737 MAX 8 at 3.94%.
What is the most popular airline from Seattle to Cancún?
momondo data reveals that the most frequently booked airline on the route from Seattle to Cancún is Alaska Airlines, representing 41% of all bookings. The subsequent popular airlines are Aeromexico at 30%, Delta at 23%, and United Airlines at 5%.
Best airlines flying from Seattle to Cancún
Compare and see reviews for airlines that fly from Seattle to Cancún with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 309 | Free Cancellation | Rating 7.4 8,790 reviews | |||
| PriceFrom C$ 391 | Free Cancellation | Rating 8.0 7,950 reviews | |||
| PriceFrom C$ 449 | Free Cancellation | Rating 7.5 1,706 reviews | |||
| PriceFrom C$ 541 | Free Cancellation | Rating 8.0 10,000 reviews |
Delta Flights From Seattle to Cancún
Delta flies from Seattle to Cancún around 7 times per week, with 7,946 momondo users rating the airline 8.0/10. The cheapest Delta deal from Seattle to Cancún in the last 72 hours was C$ 286 (round-trip), much lower than the average airfare cost of C$ 542 for Delta flights on this route.
Aeromexico Flights From Seattle to Cancún
Aeromexico is also a popular choice for this route. Aeromexico flight deals for Seattle to Cancún start from as low as C$ 329 round-trip, depending on your selected dates, with average Aeromexico deals seen on momondo around C$ 566. Aeromexico operates 7 flights to Cancún from Seattle in an average week. Users have rated it 7.5/10 across 1,706 reviews.
Travelling to a place near Cancún?
Book flights to Cancún if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Seattle to Cancún?
momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Cancún . Millions of users trust and use momondo every year so you are in good hands.
Can I find flights from Seattle to Cancún with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Cancún from Seattle with this policy.
How can momondo help me find flights from Seattle to Cancún?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Seattle to Cancún.
I’m not ready to book a flight from Seattle to Cancún right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Seattle to Cancún flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.