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CUN to SEA: distance & flight time
Cancun (Cancún International Airport) → Seattle (Seattle Tacoma International Airport)
2,685 mi
4,321 km · 2,333 nm
5h 44m
estimated nonstop flight time
-2h
time difference · heading northwest
See live CUN→SEA fares Phone-only fares on this route — call free
Flight time details
2,685 miles nonstop takes roughly 5h 44m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- CUN — Cancún International Airport · Cancun, Mexico
- SEA — Seattle Tacoma International Airport · Seattle, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near CUN
- ISJ · Isla Mujeres Airport17 mi away
- CZM · Cozumel International Airport36 mi away
- CZA · Chichen Itza International Airport105 mi away
Near SEA
- RNT · Renton Municipal Airport5 mi away
- BFI · Boeing Field King County International Airport6 mi away
- TIW · Tacoma Narrows Airport18 mi away
- PWT · Bremerton National Airport21 mi away
Frequently asked questions
How far is CUN from SEA?
The flight distance from Cancun (CUN) to Seattle (SEA) is 2,685 miles (4,321 km, 2,333 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CUN to SEA?
A nonstop flight takes about 5h 44m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Cancun and Seattle?
Seattle is 2 hours behind Cancun.
What is the cheapest way to fly from CUN to SEA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CUN–SEA that never appear on search engines, with no booking fees.