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Cheap flights from Seattle to Cancún from £212

SEA — CUN
24 Oct — 31 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Seattle to Cancún

Enter your travel dates to find the best prices.

Cheapest flights from Seattle to Cancún

Sun 13/1200:15 -
1 stop9h 50m
Fri 18/1216:35 -
1 stop11h 30m
Deal found 23/9£437
Sun 15/1107:25 -
Nonstop5h 55m
Wed 9/1212:26 -
1 stop10h 29m
Deal found 24/9£445
Tue 8/1207:16 -
Nonstop6h 04m
Wed 16/1208:02 -
1 stop14h 53m
Deal found 21/9£446
Sun 1/1106:00 -
1 stop11h 55m
Tue 10/1117:25 -
Nonstop6h 40m
Deal found 23/9£449
Sat 5/1223:59 -
1 stop8h 14m
Thu 10/1217:25 -
Nonstop6h 40m
Deal found 21/9£450
Sun 15/1107:25 -
Nonstop5h 55m
Tue 24/1115:15 -
1 stop11h 42m
Deal found 23/9£453
Tue 10/1107:25 -
Nonstop5h 55m
Wed 2/1219:14 -
1 stop17h 51m
Deal found 21/9£455
Tue 20/1005:00 -
1 stop7h 40m
Tue 27/1012:35 -
1 stop10h 44m
Deal found 21/9£458
Tue 17/1106:10 -
2 stops10h 35m
Sat 21/1113:45 -
2 stops12h 20m
Deal found 23/9£469
Tue 1/1207:16 -
Nonstop6h 04m
Tue 8/1212:26 -
1 stop10h 29m
Deal found 22/9£475

Find flight deals from Seattle to Cancún

Round-trip from

£419

One-way from

£212

Popular in

December

Cheapest in

January

Average price

£514

Good one-way deal

£637 or less
Volaris
  • Volaris
  • 7/3-8/3
  • 2 total stops
  • 18h 42m total
  • Seattle to Cancún
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Southwest
  • Southwest
  • 1/2-31/12
  • 2 total stops
  • 10h 45m total
  • Seattle to Cancún
Search Deals
High demand for flights, 0% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Cancun.
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Seattle to Cancún that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Mon 19/10

20:40-13:15

2 stops14h 35m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£212

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Wed 9/12

05:40-19:45

2 stops11h 05m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£212
Fastest return journey

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Tue 17/11

07:25-16:20

Nonstop5h 55m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£218

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Fri 8/1

05:00-19:45

2 stops11h 45m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£218

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Wed 9/12

07:16-16:20

Nonstop6h 04m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£218

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sun 3/1

07:16-16:20

Nonstop6h 04m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£218

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Sun 24/1

07:15-16:10

Nonstop5h 55m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£218

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Thu 22/10

23:59-19:19

1 stop17h 20m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£252

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Tue 16/3

07:15-15:15

Nonstop6h 00m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£266

SeattleCancún

SEA Seattle/Tacoma Intl - CUN Cancun

SEACUN

Seattle/Tacoma Intl

Thu 18/3

07:15-15:15

Nonstop6h 00m

Cancun

Wed 31/12

00:00-22:00

Nonstop0h 00m

£266

Flights are sorted by cheapest return flights first.

Deals found on 20/9

Showing 1-10 of 22 resultsSorted by cheapest first
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Best time to book a flight from Seattle to Cancún

Have a flexible travel schedule? Discover the best time to fly to Cancún from Seattle with our price prediction graph.
Estimated return price

Cheapflights Insights

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

How far ahead should I book a flight from Seattle to Cancún?

The best time to book flights from Seattle to Cancún is 20 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Seattle to Cancún?

Currently, January is the cheapest month in which you can book a flight from Seattle to Cancún (average of £375). Flying from Seattle to Cancún in December is currently the most expensive (average of £567). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Seattle to Cancún?

Airfare is typical for this route at the moment.

Seattle to Cancún flights typically cost between £395 and £584 in March.
The cheapest return price found within the last 5 days was £419 on Volaris (7 Mar–8 Mar).

Related info for your journey

  • How popular is this Seattle to Cancún flight route?

    The Seattle/Tacoma Intl to Cancun flight path was viewed by 1 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Cancún?

    Airlines like Volaris, Alaska Airlines, and Delta fly from Seattle to Cancún in about 5h 59m. The time it takes to get you to your destination can typically vary by up to 9h 25m. The distance between Seattle and Cancún is about 2683 mi. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Seattle to Cancún that include hotel bookings?

    Yes. In addition to deals on Seattle to Cancún flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Cancún?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Cancún.

  • Can I find deals for business class flights from Seattle to Cancún?

    Yes. Cheapflights offers flight deals from Seattle to Cancún by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Cancún?

    Currently, January is the cheapest month in which you can book a flight from Seattle to Cancún (average of £375). Flying from Seattle to Cancún in December is currently the most expensive (average of £567). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Cancún?

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Yes, we can. To see specific flights from Seattle to Cancún with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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