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$142+ Cheap flights from Seattle (SEA) to Belize

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BZE
Jan 27 — Feb 31
Tue 1/27
Tue 2/3
1 adult, Economy
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Cheap flight deals from Seattle to Belize

Cheapest flights from Seattle to Belize
Explore the most affordable flight options available from Seattle to Belize. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.

This United Airlines deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/288:57 amSEA - BZE
1 stop28h 35mUnited Airlines
Thu 1/13:00 pmBZE - SEA
2 stops23h 47mUnited Airlines
Deal found 12/26$717
This Kiwi.com deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:15 pmSEA - BZE
2 stops40h 03mAlaska Airlines
Sun 1/411:00 amBZE - SEA
Nonstop6h 52mAlaska Airlines
Deal found 12/26$759
This United Airlines deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/297:12 pmSEA - BZE
2 stops16h 38mUnited Airlines
Fri 1/23:38 pmBZE - SEA
2 stops20h 18mUnited Airlines
Deal found 12/26$877
This Alaska Airlines deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/309:15 pmSEA - BZE
1 stop18h 03mAlaska Airlines
Sun 1/411:00 amBZE - SEA
Nonstop6h 52mAlaska Airlines
Deal found 12/26$959
This United Airlines deal was found by Cheapflights users on 12/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:59 pmSEA - BZE
1 stop10h 15mUnited Airlines
Sun 1/41:18 pmBZE - SEA
2 stops22h 38mUnited Airlines
Deal found 12/26$1,013

Find flight deals from Seattle to Belize

Keep the following information in mind while searching for Seattle to Belize flight deals. Data was last updated December 28, 2025.

Round-trip from

$370
(Delta)

One-way from

$142
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$898

Good round-trip deal

$588 or less

Good one-way deal

$164 or less
From Seattle/Tacoma Intl to Belize
Search Deals
One-way flight from Seattle/Tacoma Intl to Belize
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($66 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Belize.
Search Deals
Price to beat on a one-way flight from Seattle/Tacoma Intl to Belize.
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Seattle to Belize that are best for you.

Fly from

Seattle

Fly to

Belize

Route

Depart

Return

Price

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 1/28

7:32 pm-12:14 pm

2 stops14h 42m

Belize City Philip S.W.Goldson

Thu 2/5

3:38 pm-9:55 am

2 stops20h 17m

$375

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 4/7

3:30 pm-10:30 am

1 stop18h 00m

Belize City Philip S.W.Goldson

Wed 4/22

12:35 pm-11:58 pm

1 stop12h 23m

$396

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 4/15

11:00 pm-11:14 am

1 stop11h 14m

Belize City Philip S.W.Goldson

Thu 4/23

12:35 pm-11:58 pm

1 stop12h 23m

$396

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 4/10

3:30 pm-10:30 am

1 stop18h 00m

Belize City Philip S.W.Goldson

Thu 4/23

12:35 pm-11:58 pm

1 stop12h 23m

$426

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 1/30

4:05 pm-12:15 pm

1 stop18h 10m

Belize City Philip S.W.Goldson

Sun 2/8

1:40 pm-11:15 pm

1 stop11h 35m

$430

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 1/31

4:05 pm-12:15 pm

1 stop18h 10m

Belize City Philip S.W.Goldson

Sun 2/8

1:40 pm-11:15 pm

1 stop11h 35m

$430

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 2/17

3:30 pm-11:51 am

1 stop18h 21m

Belize City Philip S.W.Goldson

Tue 3/3

1:40 pm-11:12 pm

1 stop11h 32m

$457

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 2/25

4:05 pm-12:15 pm

1 stop18h 10m

Belize City Philip S.W.Goldson

Thu 3/5

1:40 pm-11:12 pm

1 stop11h 32m

$457

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sun 3/1

7:15 am-5:57 pm

1 stop8h 42m

Belize City Philip S.W.Goldson

Tue 3/10

10:00 am-9:53 am

2 stops24h 53m

$466

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 3/3

1:32 pm-5:57 pm

2 stops26h 25m

Belize City Philip S.W.Goldson

Wed 3/11

10:00 am-8:51 am

2 stops23h 51m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/27

Showing 1-10 of 19 results
1
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Best time to book a flight from Seattle to Belize

Have a flexible travel schedule? Discover the best time to fly to Belize from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Belize

What is the cheapest month to book a flight from Seattle to Belize?

Currently, October is the cheapest month in which you can book a flight from Seattle to Belize (average of $156). Flying from Seattle to Belize in June is currently the most expensive (average of $543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to BZ?

Find hourly flight availability from Seattle to Belize. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 28, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Seattle to Belize as you normally would.

Reviews of airlines servicing Belize

Get insights into the airlines that provide service to Belize. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belize. Reviews last updated December 28, 2025.
Read through reviews of airlines operating flights from Seattle to Belize, such as Alaska Airlines, Delta, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,551 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,551 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
8,019 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
United Airlines
7.4
Good
9,113 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,072 reviews
Alaska Airlines
8.0
Very good
11,551 reviews

Entertainment

7.0

Food

7.1

Comfort

7.8

Crew

8.5

Boarding

8.1

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Belize. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Seattle to Belize?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly out of when you book flights from Seattle to Belize.

  • How long is the flight from Seattle to Belize?

    A quick flight from Seattle to Belize can take about 14h 42m. United Airlines provides one of the quickest options available for as low as $375. Airlines will cover a distance of 2820 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Seattle to Belize one-way?

    The cheapest airlines for a one-way flight from Seattle to Belize are American Airlines ($142), United Airlines ($153), and Alaska Airlines ($164).

  • What are the cheapest flights from Seattle to Belize?

    Looking for the cheapest flight from Seattle to Belize? While on average our users pay $376, our data indicates the cheapest price to be $164. The most popular route (Seattle/Tacoma Intl - Belize City Philip S.W.Goldson), is priced around $370.

  • Can I find deals for flights from Seattle to Belize that include hotel bookings?

    Yes. In addition to deals on Seattle to Belize flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Belize?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Belize.

  • Can I find deals for business class flights from Seattle to Belize?

    Yes. Cheapflights offers flight deals from Seattle to Belize by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Belize?

    Currently, October is the cheapest month in which you can book a flight from Seattle to Belize (average of $156). Flying from Seattle to Belize in June is currently the most expensive (average of $543). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Seattle to Belize

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Seattle to Belize

Discover the top 4 airlines that operate flights from Seattle to Belize. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$139Average$738FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$362Average$576FlexibilityNo cancel feeOn-time75%
American AirlinesCheapest$372Average$613FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$373Average$639FlexibilityNo cancel feeOn-time69%

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