# Seattle (SEA) to Cancun (CUN) business class award flights

Source: https://miles.zone/routes/sea-cun
Data updated: 2026-10-21T08:45:40.084Z
Cash amounts are in US dollars.

Fewest points: 27,000 miles plus $55 on Air Canada through LifeMiles, departing 2026-11-07.

## Every program and airline that can book it, next 60 days

| Airline | Program | Points | Cash on top | Routing | Departs | Checked |
| --- | --- | --- | --- | --- | --- | --- |
| Air Canada | [LifeMiles](https://miles.zone/programs/lifemiles) | 27,000 miles | $55 | via YYZ | 2026-11-07 | 21 Oct 2026, 08:45 UTC |
| United Airlines | [LifeMiles](https://miles.zone/programs/lifemiles) | 27,000 miles | $58 | via SFO, IAH | 2026-11-01 | 21 Oct 2026, 08:44 UTC |
| American Airlines | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 35,000 Atmos points | $83 | via DFW | 2026-11-02 | 20 Oct 2026, 12:56 UTC |
| Alaska Airlines | [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 35,000 Atmos points | $83 | via AUS | 2026-11-23 | 20 Oct 2026, 12:57 UTC |
| Delta Air Lines | [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) (Standard fare) | 60,000 miles | $91 | Nonstop | 2026-11-28 | 20 Oct 2026, 17:16 UTC |

## Route facts

Over the next 60 days we hold business class seats from Seattle to Cancun on 43 of the 43 departure days we have checked so far (17 days are not checked yet), through 3 programs. These figures are counted from the seats stored for those dates, not from a price history; the typical day is the median of each day's cheapest seat.

| Program | Days with space | Lowest | Typical day | Cash on top |
| --- | --- | --- | --- | --- |
| [LifeMiles](https://miles.zone/programs/lifemiles) | 9 of 43 checked | 27,000 miles | 27,000 miles | $55 to $86 |
| [Atmos Rewards](https://miles.zone/programs/atmos-rewards) | 39 of 43 checked | 35,000 Atmos points | 35,000 Atmos points | $83 to $88 |
| [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) | 8 of 43 checked | 60,000 miles | 60,000 miles | $91 to $95 |

Nonstop seats on Delta Air Lines.
With a connection on Air Canada, Alaska Airlines, American Airlines and United Airlines.

## How to book it

1. [LifeMiles](https://miles.zone/programs/lifemiles) books on lifemiles.com: sign in there, search SEA to CUN in business class on a date with space, and pay in miles with the cash on top (from $55).
2. [Atmos Rewards](https://miles.zone/programs/atmos-rewards) books on alaskaair.com: sign in there, search SEA to CUN in business class on a date with space, and pay in Atmos points with the cash on top (from $83).
3. [Air France-KLM Flying Blue](https://miles.zone/programs/flying-blue) books on airfrance.fr: sign in there, search SEA to CUN in business class on a date with space, and pay in miles with the cash on top (from $91).

MilesZone finds the seat; it does not book it or take payment.

## More routes from Seattle

- [Paris (CDG)](https://miles.zone/routes/sea-cdg)
- [Dublin (DUB)](https://miles.zone/routes/sea-dub)
- [Edinburgh (EDI)](https://miles.zone/routes/sea-edi)
- [Frankfurt (FRA)](https://miles.zone/routes/sea-fra)
- [London (LHR)](https://miles.zone/routes/sea-lhr)
- [Manchester (MAN)](https://miles.zone/routes/sea-man)
- [Munich (MUC)](https://miles.zone/routes/sea-muc)
- [Amsterdam (AMS)](https://miles.zone/routes/sea-ams)
- [Barcelona (BCN)](https://miles.zone/routes/sea-bcn)
- [Rome (FCO)](https://miles.zone/routes/sea-fco)
- [Madrid (MAD)](https://miles.zone/routes/sea-mad)
- [Doha (DOH)](https://miles.zone/routes/sea-doh)

## More routes to Cancun

- [London (LGW)](https://miles.zone/routes/lgw-cun)
- [London (LHR)](https://miles.zone/routes/lhr-cun)
- [Kansas City (MCI)](https://miles.zone/routes/mci-cun)
- [Houston (IAH)](https://miles.zone/routes/iah-cun)
- [New York (JFK)](https://miles.zone/routes/jfk-cun)
- [Los Angeles (LAX)](https://miles.zone/routes/lax-cun)
- [Portland (PDX)](https://miles.zone/routes/pdx-cun)
- [San Diego (SAN)](https://miles.zone/routes/san-cun)
- [San Francisco (SFO)](https://miles.zone/routes/sfo-cun)
- [San Jose (SJC)](https://miles.zone/routes/sjc-cun)
- [Santa Ana (SNA)](https://miles.zone/routes/sna-cun)
- [Anchorage (ANC)](https://miles.zone/routes/anc-cun)