Cheap flights from Seattle to Cancún from $158
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 1/24. 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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Fly from
Fly to
Route
Depart
Return
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sun 1/24
6:33 pm-5:09 pm
2 stops43h 36m
Cancun
Wed 2/10
1:00 pm-7:08 pm
1 stop9h 08m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sat 3/6
9:07 pm-3:31 pm
1 stop15h 24m
Cancun
Sat 3/13
10:20 am-7:08 pm
1 stop11h 48m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sat 12/5
7:05 pm-4:55 pm
1 stop18h 50m
Cancun
Sat 12/12
9:30 pm-8:59 pm
1 stop26h 29m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Tue 12/15
3:15 pm-4:55 pm
1 stop22h 40m
Cancun
Wed 12/16
9:30 pm-8:59 pm
1 stop26h 29m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sun 1/24
6:33 pm-11:25 am
2 stops37h 52m
Cancun
Sat 2/6
10:20 am-7:08 pm
1 stop11h 48m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Thu 2/25
9:07 pm-3:31 pm
1 stop15h 24m
Cancun
Tue 3/2
10:20 am-7:08 pm
1 stop11h 48m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Tue 11/17
6:10 am-7:45 pm
2 stops10h 35m
Cancun
Tue 11/24
1:50 pm-1:10 am
2 stops14h 20m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Tue 11/17
5:40 am-7:45 pm
2 stops11h 05m
Cancun
Tue 11/24
6:25 pm-1:45 am
1 stop10h 20m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sat 11/7
7:48 pm-1:41 pm
2 stops14h 53m
Cancun
Sat 11/14
2:51 pm-9:45 am
2 stops21h 54m
SeattleCancún
SEA Seattle/Tacoma Intl - CUN Cancun
SEACUN
Seattle/Tacoma Intl
Sun 11/8
7:48 pm-1:41 pm
2 stops14h 53m
Cancun
Sat 11/14
2:51 pm-9:45 am
2 stops21h 54m
See travel insights to Cancún from
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 typical price of a round-trip flight between Seattle and Cancún?
Prices are currently low for flights on this route.
Typical prices usually range from $505 to $798.The lowest price recently found on this route was $435.
What is the cheapest month to fly to Cancún?
If you don’t want to visit Cancún in January, then you should wait until May to fly from Seattle, when ticket prices are also cheap, with an average price of $549.
What is the cheapest day to depart on your flight to Cancún?
The cheapest day to depart from Seattle to Cancún is on a Wednesday when prices can be found for as low as $620. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $707. 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 most recent data shows that the best time of day to fly to Cancún is in the morning. Flights from Seattle to Cancún during this time can be as low as $657. Flights to Cancún are more costly in the evening, with an average ticket price of $875. 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 from Seattle to Cancún?
You are more likely to see cheaper flights to Cancún from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Cancún for around $641 when searching 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 $562 on momondo.
What cabin class options are available on Seattle to Cancún flights?
There are 4 cabin classes available to choose from on Seattle to Cancún 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 30% 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 October 2026, prices for Seattle to Cancún flights are approximately 9% cheaper when compared to flights at the same time last year.
What is the cheapest airline that flies from Seattle/Tacoma Intl to Cancun?
Frontier, Delta, and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Cancun
What airlines fly to Cancún?
Delta, Volaris and Alaska Airlines are the top three most popular airlines that fly to Cancún from Seattle according to our data. Delta is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Cancún. Keep in mind that there are 11 different airlines that fly to Cancún on a routine basis, so you have a few additional options to choose from.
Which airport is the most popular layover for flights between Seattle and Cancún?
Guadalajara (GDL) was the most common stop: 36% of momondo users choosing 1-stop flights on this route connected there.
Which layover airport offers the lowest fares from Seattle to Cancún?
Flights via Toronto (YYZ) offer the lowest average round-trip price of $449.
Which layover airport has the shortest travel time from Seattle to Cancún?
Flights connecting via Denver (DEN) have the shortest average one-way travel time: 7h 31m.
Which layover airport has the shortest connection time from Seattle to Cancún?
Vancouver (YVR) has the shortest average layover time for this route: 0h 51m.
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
Frequently asked questions about flying from Seattle to Cancún
How far is Seattle/Tacoma Intl to Cancun by plane?
Cancun is 2685.3 mi away from Seattle/Tacoma Intl. In terms of flight time, this usually takes a little over 5h 55m.
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 refresh daily.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Cancun Airport?
There are 11 operators available for flights from Seattle/Tacoma Intl Airport to Cancun Airport as of October 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Cancun Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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?
Based on momondo bookings for flights between Seattle and Cancún, the leading plane model is Airbus A321neo, making up 77.60% of the total bookings. Other popular models include Airbus A321-100/200 with 3.87%, Boeing 737 MAX 9 with 3.87%, and Airbus A318/A319/A320/A321 with 3.67%.
What is the most popular airline from Seattle to Cancún?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Cancún is Delta (48% of total bookings). The next most popular airlines are Volaris (12%), Alaska Airlines (12%), and Aeromexico (8%).
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 $194 | Free Cancellation | Rating 5.6 2,550 reviews | |||
| PriceFrom $211 | Free Cancellation | Rating 6.6 1,128 reviews | |||
| PriceFrom $229 | Free Cancellation | Rating 7.5 1,440 reviews | |||
| PriceFrom $229 | Free Cancellation | Rating 7.9 13,037 reviews | |||
| PriceFrom $255 | Free Cancellation | Rating 7.1 11,745 reviews | |||
| PriceFrom $323 | Free Cancellation | Rating 7.8 8,645 reviews | |||
| PriceFrom $343 | Free Cancellation | Rating 7.8 2,806 reviews | |||
| PriceFrom $462 | Free Cancellation | Rating 7.4 10,319 reviews | |||
| PriceFrom $467 | Free Cancellation | Rating 7.0 12,145 reviews | |||
| PriceFrom $516 | Free Cancellation | Rating 7.1 3,049 reviews |
Traveling 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?
Finding the right flight to Cancún from Seattle is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Cancún quick and easy, saving you time and money.
Can I find flights from Seattle to Cancún with flexible booking policies on momondo?
momondo does allow users to show only those flights to Cancún from Seattle which offer a flexible booking policy as well as other useful filters and features.
How can momondo help me find flights from Seattle to Cancún?
momondo helps you find the best flight between Seattle and Cancún by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.
I’m not ready to book a flight from Seattle to Cancún right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Seattle to Cancún flights. All you need is a valid email address and we will do the rest; it is that quick and easy.