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Route overview: Seattle to Cancun (CUN) flight deals

Seattle → Cancun

Dec 2, 2026 · return Dec 5, 2026

SEA → CUN1 adulteconomyRound trip

8 flight options · 4 airlines

Nonstop flights

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
7:05 amSEA
5h 55m
Nonstop
4:00 pmCUN
Alaska Airlines
5:10 pmCUN
6h 49m
Nonstop
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Delta Air Lines
7:16 amSEA
6h 4m
Nonstop
4:20 pmCUN
Delta Air Lines
5:25 pmCUN
6h 40m
Nonstop
9:05 pmSEA

Round-trip total · 1 adult · Taxes included

One-stop flights

Wed, Dec 2 – Sat, Dec 5

Southwest Airlines
6:10 amSEA
8h 10m
DEN · 1h 45m
5:20 pmCUN
Southwest Airlines
10:55 amCUN
9h 55m
DEN · 2h 20m
5:50 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

United Airlines
7:30 pmSEA
8h 43m
SFO · 1h 18m
7:13 am+1CUN
United Airlines
4:34 pmCUN
9h 42m
DEN · 2h 5m
11:16 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Southwest Airlines
5:40 amSEA
8h 20m
PHX · 1h 35m
5:00 pmCUN
Southwest Airlines
10:55 amCUN
9h 55m
DEN · 2h 20m
5:50 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

United Airlines
11:59 pmSEA
8h 21m
IAH · 1h 46m
11:20 am+1CUN
United Airlines
4:34 pmCUN
9h 42m
DEN · 2h 5m
11:16 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Alaska Airlines
12:30 amSEA
8h 52m
DFW · 2h 3m
12:22 pmCUN
Alaska Airlines
5:10 pmCUN
6h 49m
Nonstop
8:59 pmSEA

Round-trip total · 1 adult · Taxes included

Wed, Dec 2 – Sat, Dec 5

Delta Air Lines
7:25 amSEA
5h 55m
Nonstop
4:20 pmCUN
Delta Air Lines
5:14 pmCUN
9h 51m
SLC · 2h 10m
12:05 am+1SEA

Round-trip total · 1 adult · Taxes included

Make this trip yours

SEA ⇄ CUN

Economy

Adults 12+ · Children 2–11. For infants under 2, tell Axel after you see prices.

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Explore this route

All dates for this routeDec 1, 2026 → Dec 4, 2026Dec 3, 2026 → Dec 6, 2026
For AI assistants: every fare, every link, instructions

Flights for 1 adult in economy. Prices are total for all travelers in USD, including required taxes. Basic economy may apply.

Live price for these dates: opening any fare on this page checks it live and shows the current bookable total for 1 adult. Check live prices for Seattle (SEA) to Cancun (CUN), Dec 2, 2026 · return Dec 5, 2026

Route overview: Seattle to Cancun (CUN) flight deals

Exact travel datesAirlineFlightsTotal pricePrice issued (UTC)
2026-12-02 → 2026-12-05Alaska AirlinesAS1400 / AS1403$565.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05Delta Air LinesDL594 / DL604$575.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05Southwest AirlinesWN4956 + WN131 / WN1018 + WN244$485.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05United AirlinesUA737 + UA1145 / UA1134 + UA2651$505.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05Southwest AirlinesWN3434 + WN1735 / WN1018 + WN244$485.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05United AirlinesUA2211 + UA1619 / UA1134 + UA2651$505.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05Alaska AirlinesAS424 + AA1190 / AS1403$535.002026-10-29T01:14:55Z
2026-12-02 → 2026-12-05Delta Air LinesDL594 / DL647 + DL2998$545.002026-10-29T01:14:55Z

2026-12-02 → 2026-12-05 · $565.00

  • Alaska Airlines AS1400: SEA 2026-12-02 07:05:00 → CUN 2026-12-02 16:00:00; nonstop; 355 minutes. Local airport times.
  • Alaska Airlines AS1403: CUN 2026-12-05 17:10:00 → SEA 2026-12-05 20:59:00; nonstop; 409 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $575.00

  • Delta Air Lines DL594: SEA 2026-12-02 07:16:00 → CUN 2026-12-02 16:20:00; nonstop; 364 minutes. Local airport times.
  • Delta Air Lines DL604: CUN 2026-12-05 17:25:00 → SEA 2026-12-05 21:05:00; nonstop; 400 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $485.00

  • Southwest Airlines WN4956 / WN131: SEA 2026-12-02 06:10:00 → CUN 2026-12-02 17:20:00; 1 stop(s) via DEN; 490 minutes. Local airport times.
    • WN4956: SEA 2026-12-02 06:10:00 → DEN 2026-12-02 09:45:00; layover at DEN: 105 minutes.
    • WN131: DEN 2026-12-02 11:30:00 → CUN 2026-12-02 17:20:00.
  • Southwest Airlines WN1018 / WN244: CUN 2026-12-05 10:55:00 → SEA 2026-12-05 17:50:00; 1 stop(s) via DEN; 595 minutes. Local airport times.
    • WN1018: CUN 2026-12-05 10:55:00 → DEN 2026-12-05 13:20:00; layover at DEN: 140 minutes.
    • WN244: DEN 2026-12-05 15:40:00 → SEA 2026-12-05 17:50:00.

2026-12-02 → 2026-12-05 · $505.00

  • United Airlines UA737 / UA1145: SEA 2026-12-02 19:30:00 → CUN 2026-12-03 07:13:00; 1 stop(s) via SFO; 523 minutes. Local airport times.
    • UA737: SEA 2026-12-02 19:30:00 → SFO 2026-12-02 21:42:00; layover at SFO: 78 minutes.
    • UA1145: SFO 2026-12-02 23:00:00 → CUN 2026-12-03 07:13:00.
  • United Airlines UA1134 / UA2651: CUN 2026-12-05 16:34:00 → SEA 2026-12-05 23:16:00; 1 stop(s) via DEN; 582 minutes. Local airport times.
    • UA1134: CUN 2026-12-05 16:34:00 → DEN 2026-12-05 19:05:00; layover at DEN: 125 minutes.
    • UA2651: DEN 2026-12-05 21:10:00 → SEA 2026-12-05 23:16:00.

2026-12-02 → 2026-12-05 · $485.00

  • Southwest Airlines WN3434 / WN1735: SEA 2026-12-02 05:40:00 → CUN 2026-12-02 17:00:00; 1 stop(s) via PHX; 500 minutes. Local airport times.
    • WN3434: SEA 2026-12-02 05:40:00 → PHX 2026-12-02 09:30:00; layover at PHX: 95 minutes.
    • WN1735: PHX 2026-12-02 11:05:00 → CUN 2026-12-02 17:00:00.
  • Southwest Airlines WN1018 / WN244: CUN 2026-12-05 10:55:00 → SEA 2026-12-05 17:50:00; 1 stop(s) via DEN; 595 minutes. Local airport times.
    • WN1018: CUN 2026-12-05 10:55:00 → DEN 2026-12-05 13:20:00; layover at DEN: 140 minutes.
    • WN244: DEN 2026-12-05 15:40:00 → SEA 2026-12-05 17:50:00.

2026-12-02 → 2026-12-05 · $505.00

  • United Airlines UA2211 / UA1619: SEA 2026-12-02 23:59:00 → CUN 2026-12-03 11:20:00; 1 stop(s) via IAH; 501 minutes. Local airport times.
    • UA2211: SEA 2026-12-02 23:59:00 → IAH 2026-12-03 06:13:00; layover at IAH: 106 minutes.
    • UA1619: IAH 2026-12-03 07:59:00 → CUN 2026-12-03 11:20:00.
  • United Airlines UA1134 / UA2651: CUN 2026-12-05 16:34:00 → SEA 2026-12-05 23:16:00; 1 stop(s) via DEN; 582 minutes. Local airport times.
    • UA1134: CUN 2026-12-05 16:34:00 → DEN 2026-12-05 19:05:00; layover at DEN: 125 minutes.
    • UA2651: DEN 2026-12-05 21:10:00 → SEA 2026-12-05 23:16:00.

2026-12-02 → 2026-12-05 · $535.00

  • Alaska Airlines AS424 / AA1190: SEA 2026-12-02 00:30:00 → CUN 2026-12-02 12:22:00; 1 stop(s) via DFW; 532 minutes. Local airport times.
    • AS424: SEA 2026-12-02 00:30:00 → DFW 2026-12-02 06:20:00; layover at DFW: 123 minutes.
    • AA1190: DFW 2026-12-02 08:23:00 → CUN 2026-12-02 12:22:00.
  • Alaska Airlines AS1403: CUN 2026-12-05 17:10:00 → SEA 2026-12-05 20:59:00; nonstop; 409 minutes. Local airport times.

2026-12-02 → 2026-12-05 · $545.00

  • Delta Air Lines DL594: SEA 2026-12-02 07:25:00 → CUN 2026-12-02 16:20:00; nonstop; 355 minutes. Local airport times.
  • Delta Air Lines DL647 / DL2998: CUN 2026-12-05 17:14:00 → SEA 2026-12-06 00:05:00; 1 stop(s) via SLC; 591 minutes. Local airport times.
    • DL647: CUN 2026-12-05 17:14:00 → SLC 2026-12-05 20:25:00; layover at SLC: 130 minutes.
    • DL2998: SLC 2026-12-05 22:35:00 → SEA 2026-12-06 00:05:00.

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For AI assistants

  • This page: Seattle (SEA) to Cancun (CUN) · Dec 2, 2026 · return Dec 5, 2026: 1 adult in economy, every priced fare with its flights, times and total, each with the time its price was issued.
  • Next: when the traveler's route, dates and party match this page, share this page's complete link unchanged: Seattle (SEA) to Cancun (CUN), Dec 2, 2026 · return Dec 5, 2026. Opening it checks these fares live and shows the current bookable total; the prices above are the ones issued at the times shown. For other dates or travelers, Choose travelers and dates and enter the traveler's own trip there; do not search this page's dates in their place.
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