United Airlines Seattle to Cancun Flights

Return flight: Cancun – Seattle

Cheapflightsplus.com will find cheap United Airlines flights from Seattle to Cancun. Compare airline ticket prices and book air tickets starting from $273 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Seattle (WA) — Cancun by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in january: one-way - $273, two-way – $468.
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
11:59 pm — 1:33 pm
+1 day
11:59 pm — 6:00 am UA2019 United Airlines
Seattle — Chicago
2h 42m stop
8:42 am — 1:33 pm UA1656 United Airlines
Chicago — Cancun
10h 34m
including layover
Find flight
from$439
12:50 pm — 7:13 am
+1 day
12:50 pm — 3:09 pm UA1509 United Airlines
Seattle — San Francisco
7h 53m stop
11:02 pm — 7:13 am UA1145 United Airlines
San Francisco — Cancun
15h 23m
including layover
Find flight
from$273
1:59 pm — 11:25 am
+1 day
1:59 pm — 8:20 pm UA1334 United Airlines
Seattle — Houston
11h 42m stop
8:02 am — 11:25 am UA1619 United Airlines
Houston — Cancun
18h 26m
including layover
Find flight
from$281
5:25 pm — 7:29 am
+1 day
5:10 pm — 7:58 pm UA2397 United Airlines
Seattle — Los Angeles
3h 43m stop
11:55 pm — 7:29 am UA1075 United Airlines
Los Angeles — Cancun
11h 4m
including layover
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from$273
6:13 pm — 7:13 am
+1 day
12:55 pm — 3:12 pm UA737 United Airlines
Seattle — San Francisco
2h 30m stop
11:02 pm — 7:13 am UA1145 United Airlines
San Francisco — Cancun
10h
including layover
Find flight
from$273
7:05 am — 7:13 am
+1 day
7:05 am — 9:25 am UA1403 United Airlines
Seattle — San Francisco
13h 37m stop
11:02 pm — 7:13 am UA1145 United Airlines
San Francisco — Cancun
21h 8m
including layover
Find flight
from$292
9:20 am — 7:13 am
+1 day
9:20 am — 11:39 am UA1960 United Airlines
Seattle — San Francisco
11h 23m stop
11:02 pm — 7:13 am UA1145 United Airlines
San Francisco — Cancun
18h 53m
including layover
Find flight
from$278
12:35 pm — 11:25 am
+1 day
12:35 pm — 4:17 pm UA1483 United Airlines
Seattle — Denver
1h 3m stop
5:20 pm — 8:50 pm UA726 United Airlines
Denver — Houston
11h 12m stop
8:02 am — 11:25 am UA1619 United Airlines
Houston — Cancun
19h 50m
including layover
Find flight
from$277
3:18 pm — 1:34 pm
+1 day
3:18 pm — 7:00 pm UA757 United Airlines
Seattle — Denver
1h 33m stop
8:33 pm — 11:59 pm UA2179 United Airlines
Denver — Houston
10h 11m stop
10:10 am — 1:34 pm UA1014 United Airlines
Houston — Cancun
19h 16m
including layover
Find flight
from$278
3:25 pm — 11:25 am
+1 day
3:25 pm — 5:44 pm UA589 United Airlines
Seattle — San Francisco
6h 15m stop
11:59 pm — 5:48 am UA505 United Airlines
San Francisco — Houston
2h 14m stop
8:02 am — 11:25 am UA1619 United Airlines
Houston — Cancun
17h
including layover
Find flight
from$283
5:00 am — 5:50 pm
5:00 am — 8:43 am UA2269 United Airlines
Seattle — Denver
57m stop
9:40 am — 1:11 pm UA2676 United Airlines
Denver — Houston
1h 15m stop
2:26 pm — 5:50 pm UA1114 United Airlines
Houston — Cancun
9h 50m
including layover
Find flight
from$273
6:13 pm — 11:25 am
+1 day
4:23 pm — 6:40 pm UA737 United Airlines
Seattle — San Francisco
3h 27m stop
11:55 pm — 5:40 am UA505 United Airlines
San Francisco — Houston
2h 14m stop
8:02 am — 11:25 am UA1619 United Airlines
Houston — Cancun
14h 12m
including layover
Find flight
from$275
9:20 am — 7:29 am
+1 day
9:20 am — 11:39 am UA1960 United Airlines
Seattle — San Francisco
3h 41m stop
3:20 pm — 4:51 pm UA1960 United Airlines
San Francisco — Los Angeles
7h 4m stop
11:55 pm — 7:29 am UA1075 United Airlines
Los Angeles — Cancun
19h 9m
including layover
Find flight
from$278
*Departure and arrival times are local. Last updated on 01/21/2025

Flight Information

There are 27 flights by United Airlines from Seattle to Cancun every week with departures from Seattle-Tacoma Intl, Boeing Field International Airport, Kenmore Air Harbor SPB. All flights arrive at Cancun Int and Puerto Juarez.

Departures start from 11:59 pm to 9:20 am. Nonstop flight is 7h 43m. The time difference between Seattle and Cancun is 3h.

  • The fastest flight 7h 43m
  • Average flight time 19h 4m
  • The earliest flight 11:59 pm
  • The latest flight 9:20 am
  • Distance 2685 ml

The cheapest months for traveling to Cancun are january (from 272 $), february (from 275 $), december (from 290 $).

The most expensive and popular months are november (from 308 $), december (from 290 $), february (from 275 $).

The cheapest flight by United Airlines that our users were able to find is $273. This airfare is economy class on one-way UA1509 flight for January 22, 2025 leaving Seattle-Tacoma Intl in Seattle at 12:50 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 9 airline carriers between Seattle and Cancun. Please review schedules and prices from the most popular airlines to find the best airfare deals from Seattle to Cancun.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

List of flights with layovers (1 and more stops):

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How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

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