Cheap flights from Seattle / Tacoma International to Belize City

Compare Seattle / Tacoma International to Belize City flight deals

Find the cheapest month or even day of the year to fly to Belize City

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Flight deals from Seattle / Tacoma International to Belize City

Looking for a cheap last-minute deal or the best return flight from Seattle / Tacoma International Airport to Belize City? If you want to travel next month, return fares start from P40,295. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seattle / Tacoma International to Belize City

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Seattle / Tacoma International to Belize City flights are currently cheapest in August.

Direct flights from Seattle / Tacoma International to Belize City

Seattle to Belize City: Flight information

The things to know before you go.
Cheapest flight foundP17,314
Cheapest month to flyAugust
Average flight time6 hrs, 8 mins
Most popular airlineQatar Airways
Average flights per week6

Finding cheap flights from Seattle / Tacoma International to Belize City: Frequently asked questions

There are 7 airports in Belize City: Belize City Municipal, Belize City Philip S.W.Goldson Int, Caye Chapel, Caye Caulker, San Pedro, Dangriga, and Belmopan.
The best price we found for a return flight from Seattle / Tacoma International to Belize City is P37,393. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
6 hours and 8 minutes is the average flight time from Seattle / Tacoma International to Belize City.
Qatar Airways and Alaska Airlines fly direct from Seattle / Tacoma International to Belize City.
As of May 2026, there are 6 flights per week flying from Seattle / Tacoma International to Belize City.
The cheapest month to fly from Seattle / Tacoma International to Belize City is usually November.
If you're flying from Seattle / Tacoma International Airport, the cheapest airport near Belize City is Belize City Philip S.W.Goldson Int – which is 13.8 km away from the centre of Belize City. We've found flights into this airport from P37,393.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Seattle / Tacoma International Airport to Belize City on Sunday, 15 November 2026.
Yes – the average flight time is 6 hours and 8 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Belize City but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Belize City is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 28°C. June is typically the warmest month in Belize City, when it usually averages around 30°C. You can expect the least rain in April. The coldest month is January, with temperatures averaging 23°C. The rainiest month is October.
Currently, Southwest Airlines offers the cheapest flight tickets to Belize City.

Travelling from Seattle-Tacoma International Airport (SEA) to Belize City: what you need to know

  • Approximately 6 hours 50 minutes is how long you can expect to be in the air on a direct flight from Seattle-Tacoma International Airport to Belize City.

  • Seattle-Tacoma International Airport is located in Seattle. Based in the UTC-6 timezone, Belize City is two hours ahead of Seattle.

  • Give yourself plenty of time to catch your SEA to Belize City flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time such as July? School holidays and other popular periods can lead to longer queues at check-in and security. Play things extra safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Direct Seattle-Tacoma International Airport to Belize City tickets are available for booking. Belize City Philip SW Goldson Intl Airport (BZE) is where you'll complete your journey.

  • Get on board with Alaska Airlines. This well-known airline offers direct flights from Seattle-Tacoma International Airport to Belize City.

  • We make it easy to book plane tickets from SEA to Belize City with a stopover. To see all the options, deselect 'Direct flights only.' Then, select a flight offering a stop long enough to see the sights of your chosen city. Popular stopovers include:

    • Dallas Fort Worth International Airport (DFW)

    • Denver International Airport (DEN)

    • Los Angeles International Airport (LAX)

  • SEA is about 18 kilometers from central Seattle. If you're driving, catching a taxi or ride-sharing from the centre, it'll take 25 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the travel time to be around 35 minutes.

  • Want a hassle-free start to your trip? Stay near SEA. Whether you're boarding an early flight from Seattle-Tacoma International Airport to Belize City or don't want departure day to feel hectic, these hotels are just the thing:

  • Seattle-Tacoma International Airport earns top marks for its on-time performance. 80% of flights that take off from SEA arrive at their destination as scheduled.

How to find the cheapest flights from Seattle-Tacoma International Airport (SEA) to Belize City

  • P17,314 is the cheapest price we've seen for a one-way Seattle-Tacoma International Airport to Belize City flight. A round-trip plane ticket right now is P37,393. Depending on when you book and the availability, these fares can change.

  • Booking ahead of time is often the key to securing a cheap flight from SEA to Belize City. Airlines adjust prices based on demand, so the nearer your departure date, the more you'll likely spend on your ticket.

  • The 'Whole month' tool will show you the cheapest tickets from Seattle-Tacoma International Airport to Belize City throughout the month. It's a good way to find a bargain if your travel dates are flexible.

  • Never miss a deal on cheap flights from SEA to Belize City by setting up a Price Alert. We'll send you an email or push notification on the app when a lower fare becomes available.

  • Find an affordable flight from Seattle-Tacoma International Airport to Belize City with the help of our filters. Choose your preferred times, number of stops and airlines, then sort the results by 'Cheapest' for the best deals.

Airports in Belize City

Belize City Philip SW Goldson Intl Airport (BZE)

Belize City Municipal Airport (TZA)

  • Belize City Municipal Airport (TZA) is roughly 3 kilometers from the centre of Belize City. Check out your options for getting into town after your flight from Seattle-Tacoma International Airport to Belize City has landed.

  • After stepping off your SEA to Belize City flight, rest your head at a hotel near TZA. These are some comfortable accommodation options that'll help you slip into relaxation mode:

Best time to go to Belize City

  • December is the quietest month for flights from Seattle-Tacoma International Airport to Belize City, while January is the most popular. Work out the ideal time to go to Belize City based on whether you want a laid-back vibe or a lively atmosphere.

  • The warmest month in Belize City is September, with temperatures ranging between 24ºC (75ºF) and 31ºC (88ºF). Book your Seattle-Tacoma International Airport to Belize City plane ticket then if that's your ideal forecast.

  • Look for cheap tickets from SEA to Belize City in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 20ºC (68ºF) and 27ºC (81ºF) on average.

More about Belize City

  • Start your Belize City trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Seattle-Tacoma International Airport to Belize City, check out our range of accommodation options including:

  • St. Johns Cathedral and Museum of Belize are just a couple of the big attractions to put on your Belize City to-do list. Keep the sightseeing going at Baron Bliss Lighthouse.

Explore more of Belize

  • Belize City is just a glimpse of what Belize has to offer. Travel further to Punta Gorda, which is about 161 kilometers away to the south. From Snake Cayes to Warasa Garifuna Drum School, there's no shortage of things to do in this popular city.

  • Placencia is another standout destination in Belize and is around 113 kilometers south of Belize City. No journey is complete without experiencing Laughing Bird Caye National Park, Placencia Caye and Placencia Municipal Pier.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.