United States to Belize · 2,821 miles (4,540 km)

Seattle (SEA) to Belize City (BZE) flights

One airline flies nonstop from Seattle (SEA) to Belize City (BZE): Alaska Airlines. The two airports are 2,821 miles (4,540 km) apart. Alaska Airlines is in oneworld. There are also 20 ways to fly it with one stop, through Houston, Houston and Denver and more.

Airlines flying nonstop from SEA to BZE

Book SEA to BZE with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SEA to BZE with one stop

20 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Houston (HOU)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Houston (IAH)United Airlines the whole way
    Alaska Airlines logo
    United Airlines logo
    United Airlines logo
  • Via Denver (DEN)United Airlines and Southwest Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Frontier Airlines logo
    +3
    Southwest Airlines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Cancun (CUN)Alaska Airlines and Delta Air Lines, then Tropic Air
    Alaska Airlines logo
    Delta Air Lines logo
    9N
  • Via Los Angeles (LAX)Alaska Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +2
    Alaska Airlines logo
  • Via San Francisco (SFO)United Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    United Airlines logo
    United Airlines logo
  • Via Calgary (YYC)WestJet the whole way
    Alaska Airlines logo
    WestJet logo
    WestJet logo
  • Via Minneapolis (MSP)Delta Air Lines and Sun Country Airlines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Sun Country Airlines logo
    Sun Country Airlines logo
    Delta Air Lines logo
  • Via Atlanta (ATL)Delta Air Lines the whole way
    Alaska Airlines logo
    Delta Air Lines logo
    Delta Air Lines logo
  • Via Chicago (ORD)United Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    +1
    United Airlines logo
  • Via Miami (MIA)American Airlines the whole way
    American Airlines logo
    Alaska Airlines logo
    Delta Air Lines logo
    American Airlines logo
  • Via Fort Lauderdale (FLL)Alaska Airlines and Delta Air Lines, then
    Alaska Airlines logo
    Delta Air Lines logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    American Airlines logo
  • Via Raleigh/Durham (RDU)Alaska Airlines and Delta Air Lines, then
    Alaska Airlines logo
    Delta Air Lines logo
See all 20 in Routes

SEA to BZE: common questions

Which airlines fly nonstop from SEA to BZE?

Alaska Airlines (oneworld) flies nonstop from Seattle (SEA) to Belize City (BZE).

How far is Seattle from Belize City by plane?

Seattle (SEA) and Belize City (BZE) are 2,821 miles (4,540 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.

Which points programs can book SEA to BZE award flights?

9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SEA to BZE cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SEA to BZE with taxes and fees.

Where can I connect between Seattle and Belize City?

The most direct connections are through Houston (HOU), Houston (IAH), Denver (DEN), Dallas (DFW) and Cancun (CUN). On 16 of them the same airline flies both flights, for example Southwest Airlines through Houston.

More routes

Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.