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Cheap flights from Seattle to Belize from $139

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 11/23. 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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0 bags

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Find the cheapest flights from Seattle to Belize

Cheap round-trip flights

American Airlines Logo
5:00 pm - 3:14 pmSEA-BZE
20h 14m1 stop
American Airlines Logo
2:40 pm - 11:22 pmBZE-SEA
10h 42m1 stop
$345American Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
American Airlines Logo
5:00 pm - 3:14 pmSEA-BZE
20h 14m1 stop
American Airlines Logo
4:10 pm - 10:38 amBZE-SEA
20h 28m2 stops
$349American Airlines
Find Deal
Sat, Dec 6 - Fri, Dec 12
Delta Logo
3:55 pm - 12:43 pmSEA-BZE
18h 48m1 stop
Delta Logo
2:08 pm - 12:14 amBZE-SEA
12h 06m1 stop
$364Delta
Find Deal
Wed, Dec 3 - Tue, Dec 9
American Airlines Logo
8:51 pm - 12:32 pmSEA-BZE
14h 41m1 stop
American Airlines Logo
1:32 pm - 10:26 amBZE-SEA
21h 54m2 stops
$368American Airlines
Find Deal
Tue, Sep 23 - Mon, Sep 29
Delta Logo
3:55 pm - 12:43 pmSEA-BZE
18h 48m1 stop
Delta Logo
2:08 pm - 12:14 amBZE-SEA
12h 06m1 stop
$370Delta
Find Deal
Thu, Dec 4 - Tue, Dec 9
Alaska Airlines Logo
8:10 pm - 5:11 pmSEA-BZE
19h 01m1 stop
Alaska Airlines Logo
11:00 am - 7:30 pmBZE-SEA
10h 30m1 stop
$392Alaska Airlines
Find Deal
Tue, Dec 2 - Mon, Dec 8
Alaska Airlines Logo
6:05 am - 5:11 pmSEA-BZE
9h 06m1 stop
Alaska Airlines Logo
11:00 am - 8:33 amBZE-SEA
23h 33m2 stops
$396Alaska Airlines
Find Deal
Wed, Dec 3 - Wed, Dec 10
Southwest Logo
8:20 pm - 2:50 pmSEA-BZE
16h 30m2 stops
Southwest Logo
3:00 pm - 7:10 amBZE-SEA
18h 10m2 stops
$454Southwest
Find Deal
Fri, Nov 7 - Fri, Nov 21
United Airlines Logo
11:59 pm - 2:32 pmSEA-BZE
12h 33m1 stop
United Airlines Logo
3:38 pm - 10:47 pmBZE-SEA
9h 09m1 stop
$474United Airlines
Find Deal
Mon, Dec 1 - Fri, Dec 12
United Airlines Logo
5:02 am - 11:35 amSEA-BZE
29h 33m2 stops
United Airlines Logo
2:35 pm - 12:07 pmBZE-SEA
22h 32m2 stops
$478United Airlines
Find Deal
Sat, Sep 6 - Sat, Sep 13

Alaska Airlines flights from Seattle to Belize

Our best Alaska Airlines deals on Seattle to Belize flight tickets
Alaska Airlines
Dec 2
SEA8:10 pmSeattle/Tacoma Intl
19h 01m
1 stop
BZE5:11 pmBelize City Philip S.W.Goldson
Dec 8
BZE11:00 amBelize City Philip S.W.Goldson
10h 30m
1 stop
SEA7:30 pmSeattle/Tacoma Intl
$392
Find similar
Alaska Airlines
Dec 3
SEA6:05 amSeattle/Tacoma Intl
9h 06m
1 stop
BZE5:11 pmBelize City Philip S.W.Goldson
Dec 10
BZE11:00 amBelize City Philip S.W.Goldson
23h 33m
2 stops
SEA8:33 amSeattle/Tacoma Intl
$396
Find similar
Alaska Airlines
Dec 2
SEA2:59 pmSeattle/Tacoma Intl
24h 12m
1 stop
BZE5:11 pmBelize City Philip S.W.Goldson
Dec 11
BZE11:00 amBelize City Philip S.W.Goldson
22h 05m
2 stops
SEA7:05 amSeattle/Tacoma Intl
$404
Find similar

American Airlines flights from Seattle to Belize

Our best American Airlines deals on Seattle to Belize flight tickets
American Airlines
Dec 6
SEA5:00 pmSeattle/Tacoma Intl
20h 14m
1 stop
BZE3:14 pmBelize City Philip S.W.Goldson
Dec 12
BZE2:40 pmBelize City Philip S.W.Goldson
10h 42m
1 stop
SEA11:22 pmSeattle/Tacoma Intl
$345
Find similar
American Airlines
Dec 6
SEA5:00 pmSeattle/Tacoma Intl
20h 14m
1 stop
BZE3:14 pmBelize City Philip S.W.Goldson
Dec 12
BZE4:10 pmBelize City Philip S.W.Goldson
20h 28m
2 stops
SEA10:38 amSeattle/Tacoma Intl
$349
Find similar
American Airlines
Sep 23
SEA8:51 pmSeattle/Tacoma Intl
14h 41m
1 stop
BZE12:32 pmBelize City Philip S.W.Goldson
Sep 29
BZE1:32 pmBelize City Philip S.W.Goldson
21h 54m
2 stops
SEA10:26 amSeattle/Tacoma Intl
$368
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Seattle to Belize that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated August 19, 2025.
Use the filters below to find and compare flights from Seattle to Belize that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 12/6

5:00 pm-3:14 pm

1 stop20h 14m

Belize City Philip S.W.Goldson

Fri 12/12

2:40 pm-11:22 pm

1 stop10h 42m

$345

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 12/6

5:00 pm-3:14 pm

1 stop20h 14m

Belize City Philip S.W.Goldson

Fri 12/12

4:10 pm-10:38 am

2 stops20h 28m

$349

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 12/3

3:55 pm-12:43 pm

1 stop18h 48m

Belize City Philip S.W.Goldson

Tue 12/9

2:08 pm-12:14 am

1 stop12h 06m

$364

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 9/23

8:51 pm-12:32 pm

1 stop14h 41m

Belize City Philip S.W.Goldson

Mon 9/29

1:32 pm-10:26 am

2 stops21h 54m

$368

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Thu 12/4

3:55 pm-12:43 pm

1 stop18h 48m

Belize City Philip S.W.Goldson

Tue 12/9

2:08 pm-12:14 am

1 stop12h 06m

$370

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 12/2

8:10 pm-5:11 pm

1 stop19h 01m

Belize City Philip S.W.Goldson

Mon 12/8

11:00 am-7:30 pm

1 stop10h 30m

$392

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 12/3

6:05 am-5:11 pm

1 stop9h 06m

Belize City Philip S.W.Goldson

Wed 12/10

11:00 am-8:33 am

2 stops23h 33m

$396

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 11/7

8:20 pm-2:50 pm

2 stops16h 30m

Belize City Philip S.W.Goldson

Fri 11/21

3:00 pm-7:10 am

2 stops18h 10m

$454

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 12/1

11:59 pm-2:32 pm

1 stop12h 33m

Belize City Philip S.W.Goldson

Fri 12/12

3:38 pm-10:47 pm

1 stop9h 09m

$474

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 9/6

5:02 am-11:35 am

2 stops29h 33m

Belize City Philip S.W.Goldson

Sat 9/13

2:35 pm-12:07 pm

2 stops22h 32m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Belize from

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

What is the cheapest month to fly to Belize?

The cheapest month to fly to Belize from Seattle is in January. Flight prices, which tend to average around $492, 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 January, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $538.

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

The cheapest day to depart from Seattle to Belize is on a Wednesday when prices can be found for as low as $408. The most expensive day to fly to Belize is Saturday, with ticket prices averaging around $589.

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

The cheapest time of day to fly to Belize is at noon when flights can be purchased for as low as $489. Flights to Belize are more costly in the afternoon, with an average ticket price of $646. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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 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 $612 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 $460 on momondo.

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

There are 3 cabin classes available to choose from on Seattle/Tacoma Intl 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 24% 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

$139

Fastest flight time

6h 05m

Direct flights

Sat and Sun

Airports in Belize

1 airport
The best one-way flight to Belize from Seattle in the past 72 hours is $139. The best round-trip flight deal from Seattle to Belize found on momondo in the last 72 hours is $345.
The fastest flight from Seattle to Belize takes 6h 05m
Direct flights go from Seattle to Belize on Saturday and Sunday. The only airline offering direct flights is Alaska Airlines.
There is 1 airport near Belize: Belize City Philip S.W.Goldson (BZE)
Search flight deals

  • 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?

  • 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?

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
DeltaPriceFrom $144Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Alaska AirlinesPriceFrom $357Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $376Free CancellationRating
7.4
8,922 reviews
Search United Airlines flights
American AirlinesPriceFrom $392Free CancellationRating
7.2
10,000 reviews
Search American 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.

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