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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 12/9. 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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Cheap round-trip flights

American Airlines Logo
12:59 am - 3:04 pmSEA-BZE
12h 05m1 stop
American Airlines Logo
1:12 pm - 9:18 pmBZE-SEA
10h 06m1 stop
$346American Airlines
Find Deal
Wed, Nov 12 - Wed, Nov 19
American Airlines Logo
10:08 pm - 1:27 pmSEA-BZE
13h 19m1 stop
American Airlines Logo
4:20 pm - 10:43 amBZE-SEA
20h 23m2 stops
$350American Airlines
Find Deal
Sat, Dec 6 - Mon, Dec 15
American Airlines Logo
12:59 am - 3:04 pmSEA-BZE
12h 05m1 stop
American Airlines Logo
1:12 pm - 9:45 amBZE-SEA
22h 33m1 stop
$355American Airlines
Find Deal
Wed, Nov 12 - Mon, Nov 24
Delta Logo
11:00 pm - 12:40 pmSEA-BZE
11h 40m1 stop
Delta Logo
2:05 pm - 11:58 pmBZE-SEA
11h 53m1 stop
$364Delta
Find Deal
Sat, Dec 6 - Mon, Dec 15
American Airlines Logo
11:59 pm - 12:10 pmSEA-BZE
34h 11m2 stops
American Airlines Logo
1:11 pm - 10:17 amBZE-SEA
23h 06m2 stops
$436American Airlines
Find Deal
Tue, Nov 25 - Wed, Dec 3
United Airlines Logo
3:37 pm - 12:14 pmSEA-BZE
18h 37m2 stops
United Airlines Logo
3:38 pm - 10:47 pmBZE-SEA
9h 09m1 stop
$444United Airlines
Find Deal
Wed, Nov 19 - Sat, Dec 6
United Airlines Logo
5:20 pm - 12:14 pmSEA-BZE
16h 54m2 stops
United Airlines Logo
1:18 pm - 12:59 amBZE-SEA
13h 41m2 stops
$448United Airlines
Find Deal
Wed, Nov 19 - Sat, Dec 6
Alaska Airlines Logo
5:30 am - 5:25 pmSEA-BZE
9h 55m2 stops
Alaska Airlines Logo
10:00 am - 11:55 pmBZE-SEA
15h 55m2 stops
$490Alaska Airlines
Find Deal
Tue, Feb 24 - Wed, Mar 4
Alaska Airlines Logo
7:50 pm - 5:25 pmSEA-BZE
19h 35m2 stops
Alaska Airlines Logo
10:00 am - 9:53 pmBZE-SEA
13h 53m2 stops
$498Alaska Airlines
Find Deal
Wed, Feb 25 - Wed, Mar 4
Multiple Airlines Logo
12:58 pm - 4:28 pmSEA-BZE
25h 30m2 stops
Multiple Airlines Logo
3:25 pm - 7:18 pmBZE-SEA
29h 53m1 stop
$547Multiple Airlines
Find Deal
Thu, Nov 13 - Mon, Dec 1

American Airlines flights from Seattle to Belize

Our best American Airlines deals on Seattle to Belize flight tickets
American Airlines
Nov 12
SEA12:59 amSeattle/Tacoma Intl
12h 05m
1 stop
BZE3:04 pmBelize City Philip S.W.Goldson
Nov 19
BZE1:12 pmBelize City Philip S.W.Goldson
10h 06m
1 stop
SEA9:18 pmSeattle/Tacoma Intl
$346
Find similar
American Airlines
Dec 6
SEA10:08 pmSeattle/Tacoma Intl
13h 19m
1 stop
BZE1:27 pmBelize City Philip S.W.Goldson
Dec 15
BZE4:20 pmBelize City Philip S.W.Goldson
20h 23m
2 stops
SEA10:43 amSeattle/Tacoma Intl
$350
Find similar
American Airlines
Nov 12
SEA12:59 amSeattle/Tacoma Intl
12h 05m
1 stop
BZE3:04 pmBelize City Philip S.W.Goldson
Nov 24
BZE1:12 pmBelize City Philip S.W.Goldson
22h 33m
1 stop
SEA9:45 amSeattle/Tacoma Intl
$355
Find similar

Alaska Airlines flights from Seattle to Belize

Our best Alaska Airlines deals on Seattle to Belize flight tickets
Alaska Airlines
Feb 24
SEA5:30 amSeattle/Tacoma Intl
9h 55m
2 stops
BZE5:25 pmBelize City Philip S.W.Goldson
Mar 4
BZE10:00 amBelize City Philip S.W.Goldson
15h 55m
2 stops
SEA11:55 pmSeattle/Tacoma Intl
$490
Find similar
Alaska Airlines
Feb 25
SEA7:50 pmSeattle/Tacoma Intl
19h 35m
2 stops
BZE5:25 pmBelize City Philip S.W.Goldson
Mar 4
BZE10:00 amBelize City Philip S.W.Goldson
13h 53m
2 stops
SEA9:53 pmSeattle/Tacoma Intl
$498
Find similar
Alaska Airlines
Feb 21
SEA7:50 pmSeattle/Tacoma Intl
19h 35m
2 stops
BZE5:25 pmBelize City Philip S.W.Goldson
Feb 25
BZE10:00 amBelize City Philip S.W.Goldson
11h 10m
2 stops
SEA7:10 pmSeattle/Tacoma Intl
$500
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 September 17, 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

Wed 11/12

12:59 am-3:04 pm

1 stop12h 05m

Belize City Philip S.W.Goldson

Wed 11/19

1:12 pm-9:18 pm

1 stop10h 06m

$346

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 12/6

10:08 pm-1:27 pm

1 stop13h 19m

Belize City Philip S.W.Goldson

Mon 12/15

4:20 pm-10:43 am

2 stops20h 23m

$350

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 11/12

12:59 am-3:04 pm

1 stop12h 05m

Belize City Philip S.W.Goldson

Mon 11/24

1:12 pm-9:45 am

1 stop22h 33m

$355

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 12/6

11:00 pm-12:40 pm

1 stop11h 40m

Belize City Philip S.W.Goldson

Mon 12/15

2:05 pm-11:58 pm

1 stop11h 53m

$364

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 11/25

11:59 pm-12:10 pm

2 stops34h 11m

Belize City Philip S.W.Goldson

Wed 12/3

1:11 pm-10:17 am

2 stops23h 06m

$436

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 11/19

3:37 pm-12:14 pm

2 stops18h 37m

Belize City Philip S.W.Goldson

Sat 12/6

3:38 pm-10:47 pm

1 stop9h 09m

$444

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 11/19

5:20 pm-12:14 pm

2 stops16h 54m

Belize City Philip S.W.Goldson

Sat 12/6

1:18 pm-12:59 am

2 stops13h 41m

$448

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 2/24

5:30 am-5:25 pm

2 stops9h 55m

Belize City Philip S.W.Goldson

Wed 3/4

10:00 am-11:55 pm

2 stops15h 55m

$490

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 2/25

7:50 pm-5:25 pm

2 stops19h 35m

Belize City Philip S.W.Goldson

Wed 3/4

10:00 am-9:53 pm

2 stops13h 53m

$498

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Thu 11/13

12:58 pm-4:28 pm

2 stops25h 30m

Belize City Philip S.W.Goldson

Mon 12/1

3:25 pm-7:18 pm

1 stop29h 53m

$547

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 $467, 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 October is also cheap. Prices for this month can be found on momondo for an average of $532.

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

The cheapest day to depart from Seattle to Belize is on a Tuesday when prices can be found for as low as $397. 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 $599 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 $407 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 44% 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

$404

Fastest flight time

6h 01m

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 $404. The best round-trip flight deal from Seattle to Belize found on momondo in the last 72 hours is $417.
The fastest flight from Seattle to Belize takes 6h 01m
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
7,961 reviews
Search Delta flights
Alaska AirlinesPriceFrom $357Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $373Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom $377Free 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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