What is the cheapest airline that flies from Seattle/Tacoma Intl to Belize?

United Airlines and Alaska Airlines are the most popular carriers operating from Seattle/Tacoma Intl to Belize

What airlines fly to Belize?

Alaska Airlines, American Airlines and United Airlines are the top three most popular airlines that fly to Belize from Seattle according to our data. Alaska Airlines is the first choice among our users, with 44% of people opting to fly with this airline when traveling to Belize. Keep in mind that there are 4 different airlines that fly to Belize on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Belize?

Prices for flights from Seattle/Tacoma Intl Airport to Belize are refreshed on a daily basis.

How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Belize?

As of June 2026, there are 4 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Belize.

How old do you have to be to fly from Seattle/Tacoma Intl Airport to Belize?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Belize.

What documentation or ID do you need to fly to Belize?

The necessary travel and health documents for your Belize trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$261 Cheap Flights from Seattle to Belize in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Belize

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

5:00 am - 2:26 pm

SEA

BZE

8h 26m

1 stop

1:32 pm - 10:26 pm

BZE

SEA

9h 54m

1 stop

$554American Airlines

Wed, Aug 19 - Wed, Aug 26

5:00 am - 2:26 pm

SEA

BZE

8h 26m

1 stop

3:29 pm - 9:25 am

BZE

SEA

18h 56m

2 stops

$559American Airlines

Wed, Aug 19 - Wed, Aug 26

11:16 pm - 2:26 pm

SEA

BZE

14h 10m

1 stop

2:30 pm - 10:09 am

BZE

SEA

20h 39m

2 stops

$561American Airlines

Mon, Sep 7 - Wed, Sep 16

11:59 pm - 3:04 pm

SEA

BZE

13h 05m

1 stop

1:12 pm - 9:18 pm

BZE

SEA

10h 06m

1 stop

$563American Airlines

Mon, Nov 9 - Wed, Nov 18

5:00 am - 2:26 pm

SEA

BZE

8h 26m

1 stop

1:32 pm - 10:26 pm

BZE

SEA

9h 54m

1 stop

$568American Airlines

Wed, Aug 19 - Wed, Aug 26

12:59 am - 3:04 pm

SEA

BZE

12h 05m

2 stops

1:12 pm - 12:58 am

BZE

SEA

13h 46m

1 stop

$573American Airlines

Mon, Nov 16 - Wed, Nov 25

12:59 am - 3:04 pm

SEA

BZE

12h 05m

2 stops

4:21 pm - 9:45 am

BZE

SEA

19h 24m

2 stops

$578American Airlines

Mon, Nov 16 - Wed, Nov 25

8:40 pm - 2:36 pm

SEA

BZE

15h 56m

2 stops

3:42 pm - 10:55 pm

BZE

SEA

9h 13m

1 stop

$580United Airlines

Wed, Nov 4 - Thu, Nov 12

5:00 am - 2:26 pm

SEA

BZE

8h 26m

1 stop

3:29 pm - 9:25 am

BZE

SEA

18h 56m

2 stops

$583American Airlines

Wed, Aug 19 - Wed, Aug 26

11:59 pm - 11:15 am

SEA

BZE

10h 16m

1 stop

12:20 pm - 9:36 pm

BZE

SEA

10h 16m

1 stop

$585United Airlines

Tue, Sep 8 - Fri, Sep 18

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American Airlines flights from Seattle to Belize

Our best American Airlines deals on Seattle to Belize flight tickets

American Airlines

Aug 19

SEA5:00 amSeattle/Tacoma Intl

8h 26m

1 stop

BZE2:26 pmBelize City Philip S.W.Goldson

Aug 26

BZE1:32 pmBelize City Philip S.W.Goldson

9h 54m

1 stop

SEA10:26 pmSeattle/Tacoma Intl

$554

American Airlines

Aug 19

SEA5:00 amSeattle/Tacoma Intl

8h 26m

1 stop

BZE2:26 pmBelize City Philip S.W.Goldson

Aug 26

BZE3:29 pmBelize City Philip S.W.Goldson

18h 56m

2 stops

SEA9:25 amSeattle/Tacoma Intl

$559

American Airlines

Sep 7

SEA11:16 pmSeattle/Tacoma Intl

14h 10m

1 stop

BZE2:26 pmBelize City Philip S.W.Goldson

Sep 16

BZE2:30 pmBelize City Philip S.W.Goldson

20h 39m

2 stops

SEA10:09 amSeattle/Tacoma Intl

$561

Alaska Airlines flights from Seattle to Belize

Our best Alaska Airlines deals on Seattle to Belize flight tickets

Alaska Airlines

Dec 12

SEA8:20 pmSeattle/Tacoma Intl

18h 54m

2 stops

BZE5:14 pmBelize City Philip S.W.Goldson

Dec 15

BZE10:00 amBelize City Philip S.W.Goldson

29h 38m

2 stops

SEA1:38 pmSeattle/Tacoma Intl

$654

Alaska Airlines

Nov 28

SEA8:00 amSeattle/Tacoma Intl

6h 06m

BZE4:06 pmBelize City Philip S.W.Goldson

Dec 6

BZE11:00 amBelize City Philip S.W.Goldson

6h 49m

SEA3:49 pmSeattle/Tacoma Intl

$661

Alaska Airlines

Dec 10

SEA6:00 amSeattle/Tacoma Intl

9h 14m

1 stop

BZE5:14 pmBelize City Philip S.W.Goldson

Dec 20

BZE11:00 amBelize City Philip S.W.Goldson

6h 49m

SEA3:49 pmSeattle/Tacoma Intl

$665

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 8/19

5:00 am-2:26 pm

1 stop8h 26m

Belize City Philip S.W.Goldson

Wed 8/26

1:32 pm-10:26 pm

1 stop9h 54m

$554

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 8/19

5:00 am-2:26 pm

1 stop8h 26m

Belize City Philip S.W.Goldson

Wed 8/26

3:29 pm-9:25 am

2 stops18h 56m

$559

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 9/7

11:16 pm-2:26 pm

1 stop14h 10m

Belize City Philip S.W.Goldson

Wed 9/16

2:30 pm-10:09 am

2 stops20h 39m

$561

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 11/9

11:59 pm-3:04 pm

1 stop13h 05m

Belize City Philip S.W.Goldson

Wed 11/18

1:12 pm-9:18 pm

1 stop10h 06m

$563

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 8/19

5:00 am-2:26 pm

1 stop8h 26m

Belize City Philip S.W.Goldson

Wed 8/26

1:32 pm-10:26 pm

1 stop9h 54m

$568

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 11/16

12:59 am-3:04 pm

2 stops12h 05m

Belize City Philip S.W.Goldson

Wed 11/25

1:12 pm-12:58 am

1 stop13h 46m

$573

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 11/16

12:59 am-3:04 pm

2 stops12h 05m

Belize City Philip S.W.Goldson

Wed 11/25

4:21 pm-9:45 am

2 stops19h 24m

$578

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 11/4

8:40 pm-2:36 pm

2 stops15h 56m

Belize City Philip S.W.Goldson

Thu 11/12

3:42 pm-10:55 pm

1 stop9h 13m

$580

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 8/19

5:00 am-2:26 pm

1 stop8h 26m

Belize City Philip S.W.Goldson

Wed 8/26

3:29 pm-9:25 am

2 stops18h 56m

$583

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 9/8

11:59 pm-11:15 am

1 stop10h 16m

Belize City Philip S.W.Goldson

Fri 9/18

12:20 pm-9:36 pm

1 stop10h 16m

$585

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seattle to Belize

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Belize?

The cheapest month to fly to Belize from Seattle is in October. Flight prices, which tend to average around $139, are often lower during this time because this is during the off-season. If you aren’t able to travel to Belize during the month of October, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $139.

What is the cheapest day to depart on your flight to Belize?

The cheapest day to depart from Seattle to Belize is on a Sunday when prices can be found for as low as $520. The most expensive day to fly to Belize is Saturday, with ticket prices averaging around $690.

What is the cheapest Seattle/Tacoma Intl to Belize flight route?

Fly from Seattle/Tacoma Intl to Belize City Philip S.W.Goldson for the best Seattle/Tacoma Intl - Belize flight prices

How far in advance should I book a flight from Seattle to Belize?

You are more likely to see cheaper flights to Belize from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Belize for around $617 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Belize from Seattle for as low as $480 on momondo.

What cabin class options are available on Seattle to Belize flights?

There is only 1 cabin class available to choose from on Seattle to Belize flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Belize flights?

You could potentially save up to 32% on your flight if you consider stops on a Seattle to Belize flight.

Cheap Seattle to Belize flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Belize

Best Price Found	$879
Fastest flight time	6h 06m
Direct flights	Sun
Airports in Belize	14 airports

The best flight deal from Seattle to Belize found on momondo in the last 72 hours is $879

The fastest flight from Seattle to Belize takes 6h 06m

Direct flights go from Seattle to Belize on Sunday. There are no airlines offering direct flights.

There are 14 airports in Belize. From Seattle there are direct flights to Belize City Philip S.W.Goldson (BZE).

Search flight deals

Frequently asked questions about flying from Seattle to Belize

When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Belize?
Prices for flights from Seattle/Tacoma Intl Airport to Belize are refreshed on a daily basis.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Belize?
As of June 2026, there are 4 operators available to choose from for flights from Seattle/Tacoma Intl Airport to Belize.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Belize?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Seattle/Tacoma Intl Airport to Belize.
What documentation or ID do you need to fly to Belize?
The necessary travel and health documents for your Belize trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Seattle to Belize?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Seattle to Belize is Boeing 737 MAX 9 (45.00% of total bookings). The next most popular plane models are Boeing 737-900 Passenger/BBJ3 (winglets) (45.00%), Boeing 737 MAX 8 (5.00%), and Boeing 737-800 Passenger/BBJ2 (winglets) (5.00%).

Best airlines flying from Seattle to Belize

Compare and see reviews for airlines that fly from Seattle to Belize with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $139	Free Cancellation	Rating 7.8 8,455 reviews	Search Delta flights
American Airlines	PriceFrom $363	Free Cancellation	Rating 7.1 11,779 reviews	Search American Airlines flights
United Airlines	PriceFrom $364	Free Cancellation	Rating 7.4 9,900 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $403	Free Cancellation	Rating 7.9 12,583 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Belize?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Seattle to Belize. momondo saves you time and could save you money on your trip.

Can I find flights from Seattle to Belize with flexible booking policies on momondo?

All flight searches from Seattle to Belize on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Seattle to Belize?

momondo helps you find the best flight between Seattle and Belize by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Seattle to Belize right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Seattle to Belize flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Belize trip

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Popular cities in Belize

Flights to Belize Cityfrom $385

Flights to San Pedro Townfrom $692

Flights to Placenciafrom $757

Flights to Dangrigafrom $1,190

Flights to Belmopanfrom $1,052

Flights to San Ignacio

Flights to Independence and Mango Creek

Cheap flights from Seattle to Belize from $275

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Belize departing on 7/23. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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American Airlines flights from Seattle to Belize

Our best American Airlines deals on Seattle to Belize flight tickets

Alaska Airlines flights from Seattle to Belize

Our best Alaska Airlines deals on Seattle to Belize flight tickets

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How to get the cheapest flight ticket from Seattle to Belize

What is the cheapest month to fly to Belize?

What is the cheapest day to depart on your flight to Belize?

What is the cheapest Seattle/Tacoma Intl to Belize flight route?

How far in advance should I book a flight from Seattle to Belize?

What cabin class options are available on Seattle to Belize flights?

Can stopping save me money on Seattle to Belize flights?

What is the cheapest airline that flies from Seattle/Tacoma Intl to Belize?

What airlines fly to Belize?

Cheap Seattle to Belize flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Belize

Best Price Found

Fastest flight time

Direct flights

Airports in Belize

Frequently asked questions about flying from Seattle to Belize

Best airlines flying from Seattle to Belize

Compare and see reviews for airlines that fly from Seattle to Belize with momondo

Why use momondo?

An easier way to manage your Belize trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Belize

Popular cities in Belize

Popular flights according to clicks in the last 7 days on momondo

Seattle flight routes

According to popular flight searches on momondo this year

Belize flight routes

According to popular flight searches on momondo this year

Fly your favorite airline to Belize

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Belize

List of cabin classes available on flights landing in Belize. Availability may vary depending on flight origin and airline.

Complete your trip to Belize

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According to popular flight searches on momondo this year