Cheap flights from Seattle (SEA) to Cancún (CUN) from $105

This is the cheapest one-way flight price, found on 9/20. Prices may vary by date and flight preferences.
SEA — CUN
Sep 26 — Oct 31

The best prices from Seattle/Tacoma Intl to Cancun are usually found in September or May, booked 0 days in advance, depart on a Monday or Tuesday and return on a Monday

How to find the cheapest flight from Seattle (SEA) to Cancún (CUN)

All the information you need to plan the best SEA to CUN flight in 2023: compare Seattle to Cancún flight prices with the expected peak season, weather and rainfall in Cancún.

Popular in

December

Cheapest in

September

Round-trip from

$351

One-way from

$153
High demand for flights, 28% potential price rise
Best time to find cheap flights, 16% potential price drop
From Seattle/Tacoma Intl to Cancun
One-way flight from Seattle/Tacoma Intl to Cancun

SEA - CUN

Price

$351 - $725

CUN

Temperature

75.2 - 86 °F

CUN

Rainfall

1.1 - 11.1 inches

What is the cheapest day to fly round-trip from Seattle to Cancún?

Users have found that leaving on a Sunday can be a cost-effective option. It’s possible to save up to 37% on your flight compared to booking on days when demand is much higher.

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

September can be a great time to fly to Cancún from Seattle with a flight ticket averaging about $594. Cheapflights users have found deals in the month of September for as cheap as $388. The most expensive prices can be found in the month of December.

When is the cheapest time to fly from Seattle to Cancún (SEA - CUN)?

Unlike in the morning, when flights are generally more expensive, you can save up to 42% on flights from Seattle to Cancún by exploring options for tickets in the afternoon.

Cheap Frontier flights from Seattle to Cancún

Consider these cheap Frontier flights we've found departing from Seattle to Cancún. Be sure to come back soon if the deals available don't appeal to you at this time.
  • One of the most popular airlines traveling from Seattle to Cancún is Frontier. Flights from Frontier traveling this route typically cost $549.99 RT. This price is typically 42% cheaper than other airlines that offer Seattle to Cancún flights. When booking this route, the cheapest RT price found was $219. Seattle/Tacoma Intl Airport is the most common Seattle airport to take off from when flying to Cancún. Cancun Airport is the most popular arrival airport in Cancún. When flying from Seattle to Cancún, Frontier flights are 14% more popular than any other airline flying that same route.

Cheap Spirit Airlines flights from Seattle to Cancún

Take a gander at the lowest prices we've found on Spirit Airlines flights from Seattle to Cancún. Make sure to examine the flight information before completing your reservation.
  • If you’re traveling from Seattle to Cancún, one of the more common airlines traveling that route is Spirit Airlines. Seattle to Cancún flights are typically 43% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $608.08 RT. The cheapest Spirit Airlines flight found for this route was $282. When traveling from Seattle to Cancún on Spirit Airlines, the most popular airport to depart from is Seattle/Tacoma Intl Airport and the most popular airport to arrive at is Cancun Airport. When flying from Seattle to Cancún, Spirit Airlines flights are 13% more popular than any other airline flying that same route.

Cheap Seattle to Cancún flights in September & October 2023

The best prices found for SEA to CUN flights for September, October
Scroll through some of the best deals on flights from Seattle to Cancún in 2023. Check back regularly for other flight deals.

Seattle to Cancún 2023 flight deals

Cheap flights to Cancún from Seattle found for this year
Scroll through some of the best deals on flights from Seattle to Cancún in 2023. Check back regularly for other flight deals.

Non-stop flights to Cancún from Seattle

Save time with Seattle to Cancún direct flight deals
Consider booking one of these non-stop flights heading from Seattle to Cancún. If you're looking for other options for flights from Seattle to Cancún, make sure to update the search form at the top of page.

Seattle to Cancún flights leaving soon

Late deals on return flights to Cancún from Seattle, departing today and this week
Consider one of these great deals we found on last-minute flights from Seattle to Cancún. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Cancún from Seattle

The cheapest one-way flights from Seattle to Cancún
Take a look at some of the best available options we've come across on one-way flights from Seattle to Cancún. For those needing a return trip from Seattle, there is a search form available above.

Find flights from Seattle to Cancún within your budget

Use the slider to find flights from Seattle to Cancún that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$229 - $380

Route

Depart

Return

Price

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 12/1

1 stop16h 17m

Cancun

Thu 12/7

1 stop22h 20m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 12/1

1 stop16h 17m

Cancun

Thu 12/7

1 stop26h 04m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 12/1

1 stop16h 17m

Cancun

Fri 12/8

1 stop26h 04m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 12/1

1 stop16h 17m

Cancun

Tue 12/5

2 stops26h 29m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 10/30

2 stops18h 42m

Cancun

Wed 11/8

1 stop12h 15m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 10/17

2 stops15h 47m

Cancun

Tue 10/31

2 stops27h 27m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Mon 10/9

Nonstop5h 55m

Cancun

Thu 10/26

Nonstop6h 40m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Fri 9/29

Nonstop5h 50m

Cancun

Sat 10/7

Nonstop6h 20m

Seattle/Tacoma IntlCancun

SEA - CUN

SEACUN

Seattle/Tacoma Intl

Tue 10/10

1 stop10h 24m

Cancun

Wed 10/18

1 stop10h 26m

Flights are sorted by cheapest first

Deals found on 9/21

Reviews of airlines servicing Cancún

Get a feel of what it's like to fly with Frontier, Spirit Airlines and Delta from Seattle to Cancún by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Alaska Airlines
8.1
Very good
1,393 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Delta
7.9
Good
3,016 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Sun Country Air
7.4
Good
94 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

United Airlines
7.4
Good
1,887 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

American Airlines
7.2
Good
2,635 reviews
Alaska Airlines
8.1
Very good
1,393 reviews

Overall

8.1

Crew

8.6

Comfort

8.0

Entertainment

7.2

Food

7.2

Boarding

8.3

Reviews

1 / 10

Excellent airlines the price was great service was excellent plane was very comfortable

Related info for your journey

Useful info, stats and facts about Seattle to Cancún flights.

What airports do I use to fly from Seattle to Cancún?

To fly from Seattle to Cancún, you need to book a flight from Seattle/Tacoma Intl (SEA) to Cancun (CUN). Nonstop flights to Cancun from Seattle/Tacoma Intl take 5h 43m on average. When it comes time to book airfare, you have a few options: there are 4 outbound flights from Seattle/Tacoma Intl to Cancun offered by 11 different airlines.

Can I find flights from Seattle to Cancún for under $300 on Cheapflights?

Yes, there are multiple flights from Seattle to Cancún for under $300. The cheapest flight booked recently is on Frontier for just $229, but on average you can expect to pay $251.

Are there nonstop flights from Seattle to Cancún for under $400 on Cheapflights?

Cheapflights has at least 20 direct flights from Seattle to Cancún under $400. A good price for a nonstop flight from Seattle to Cancún is less than $393.

Are there last-minute flights available from Seattle to Cancún for under $300?

There are currently 20+ open flights from Seattle to Cancún within the next 7 days for less than $300.

What days are nonstop flights available from Seattle to Cancún?

Nonstop flights can be found on the following days: Sunday, Friday.

How popular is this Seattle to Cancún flight route?

How many flights depart from Seattle to Cancún on average per day?

On average, you can expect to see 1 flight from Seattle to Cancún a day.
Morning (6am - Noon) - 100% of flight departures

How long is the flight from Seattle to Cancún?

Departing from Seattle to Cancún will take you 15h 47m. The distance between Seattle and Cancún is about 2700 mi. This flight may include one or multiple stops.

What are the cheapest airlines flying from Seattle to Cancún round-trip?

Frontier, at $229, was found to be the cheapest airline from Seattle to Cancún. An alternate airline flying to your destination would be Spirit Airlines. Frontier is priced at 61% lower than the current average price of a flight leaving 3 months from now.

What are the cheapest airlines to fly from Seattle to Cancún one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $105. Spirit Airlines flights start at $109 while deals on JetBlue start at $176 one-way.

What are the most popular airlines that fly from Seattle to Cancún?

What are the most reliable airlines from Seattle to Cancún?

No one likes to see their flight delayed. When booking a flight from Seattle to Cancún consider choosing Delta (80%), Korean Air (80%) or Aeromexico (80%) as they are the most reliable in getting you off to your destination on time.

What are the cheapest flights from Seattle to Cancún?

On average you can expect to pay $628 for a flight from Seattle to Cancún. The cheapest flight overall is $169 while the most popular route, (Seattle/Tacoma Intl - Cancun) is currently priced at $239.

What does SEA to CUN mean?

These are just IATA (International Air Transport Association) codes. They are used in aviation to identify and differentiate airports. That’s why a Seattle/Tacoma Intl Airport to Cancun Airport flight would often be abbreviated as a SEA to CUN flight.

Top 10 airlines flying from Seattle to Cancún

The chart below displays the airlines Cheapflights users traveling from Seattle to Cancún choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$138Average$291FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Air CanadaCheapest$209Average$492FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapest$219Average$550FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
Spirit AirlinesCheapest$237Average$511FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
VolarisCheapest$243Average$469FlexibilityNo cancel feeOn-time79%
Search Volaris flights
AeromexicoCheapest$255Average$616FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
American AirlinesCheapest$275Average$571FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$282Average$608FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapest$283Average$581FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Sun Country AirCheapest$344Average$686FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights

Hourly flight availability from Seattle to Cancún

See what time of day planes typically take off from Seattle to Cancún
0%of flight departuresEarly morningMidnight to 6 am
100%of flight departuresMorning6 am to noon
0%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Seattle to Cancún

See how many times per day planes take to the skies headed from Seattle to Cancún
Sunday4daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday5daily flights
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