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$129+ 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 4/26. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BZE
Apr 9 — Apr 161
Wed 4/9
Wed 4/16
1 adult, Economy
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Cheap flight deals from Seattle to Belize

Keep the following information in mind while searching for Seattle to Belize flight deals. Data was last updated April 4, 2025.

Round-trip from

$342
(Alaska Airlines)

One-way from

$129
(Alaska Airlines)

Popular in

December

Cheapest in

January

Average price

$753

Good round-trip deal

$549 or less

Good one-way deal

$234 or less
From Seattle/Tacoma Intl to Belize
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One-way flight from Seattle/Tacoma Intl to Belize
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Highest demand for flights based on searches. 8% potential increase in price ($56 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Belize.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Belize.
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Find 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 April 4, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/3. 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.
Sun 5/49:16 pmSEA - BZE
1 stop19h 17mAlaska Airlines
Sun 5/119:00 amBZE - SEA
Nonstop6h 58mAlaska Airlines
Deal found 4/3$342
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/255:22 amSEA - BZE
2 stops28h 48mAmerican Airlines
Thu 5/13:15 pmBZE - SEA
2 stops28h 17mAmerican Airlines
Deal found 4/3$404
This United Airlines deal was found by Cheapflights users on 4/3. 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 5/411:59 pmSEA - BZE
1 stop12h 34mUnited Airlines
Sun 5/112:35 pmBZE - SEA
2 stops18h 51mUnited Airlines
Deal found 4/3$432
This American Airlines deal was found by Cheapflights users on 4/3. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/2511:59 pmSEA - BZE
1 stop11h 11mMultiple Airlines
Sat 5/312:10 pmBZE - SEA
1 stop9h 25mMultiple Airlines
Deal found 4/3$475
This Delta deal was found by Cheapflights users on 4/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/1411:30 pmSEA - BZE
1 stop10h 41mDelta
Thu 4/1712:36 pmBZE - SEA
1 stop12h 23mDelta
Deal found 4/3$739

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 April 4, 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

Sun 5/4

9:16 pm-5:33 pm

1 stop19h 17m

Belize City Philip S.W.Goldson

Sun 5/11

9:00 am-2:58 pm

Nonstop6h 58m

$342

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 4/25

5:22 am-11:10 am

2 stops28h 48m

Belize City Philip S.W.Goldson

Sat 5/3

12:10 pm-10:15 am

2 stops23h 05m

$404

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sun 5/4

11:59 pm-1:33 pm

1 stop12h 34m

Belize City Philip S.W.Goldson

Sun 5/11

2:35 pm-8:26 am

2 stops18h 51m

$432

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 4/25

11:59 pm-12:10 pm

1 stop11h 11m

Belize City Philip S.W.Goldson

Sat 5/3

12:10 pm-8:35 pm

1 stop9h 25m

$475

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 4/14

11:30 pm-11:11 am

1 stop10h 41m

Belize City Philip S.W.Goldson

Thu 4/17

12:36 pm-11:59 pm

1 stop12h 23m

$739

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 4/26

9:30 am-4:32 pm

Nonstop6h 02m

$129

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 4/25

11:59 pm-12:10 pm

1 stop11h 11m

$133

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Fri 4/25

3:24 pm-2:32 pm

2 stops22h 08m

$184

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Tue 4/22

3:15 pm-1:05 pm

2 stops44h 50m

$211

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Wed 4/23

12:30 pm-1:05 pm

2 stops23h 35m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/3

Showing 1-10 of 11 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, August is the cheapest month in which you can book a flight from Seattle to Belize (average of $363). Flying from Seattle to Belize in March is currently the most expensive (average of $653). 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 April 4, 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.

Rainfall in Belize by month

Plan your trip to Belize by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Belize ranges from 1.6 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. March is typically the driest time to visit Belize when rainfall is around 1.6 in.

Temperature in Belize by month

Plan your trip to Belize by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Belize, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 82.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

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 April 4, 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Seattle to Belize have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
9,836 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,618 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
WestJet
7.2
Good
2,795 reviews
Alaska Airlines
8.0
Very good
9,836 reviews

Boarding

8.2

Food

7.1

Comfort

7.9

Entertainment

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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.

  • 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 Alaska Airlines ($129), American Airlines ($133), and WestJet ($211).

  • What are the cheapest flights from Seattle to Belize?

    Looking for the cheapest flight from Seattle to Belize? While on average our users pay $427, our data indicates the cheapest price to be $234. The most popular route (Seattle/Tacoma Intl - Belize City Philip S.W.Goldson), is priced around $432.

  • 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, August is the cheapest month in which you can book a flight from Seattle to Belize (average of $363). Flying from Seattle to Belize in March is currently the most expensive (average of $653). 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 April 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$357Average$714FlexibilityNo cancel feeOn-time75%
DeltaCheapest$394Average$555FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$441Average$619FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$482Average$678FlexibilityNo cancel feeOn-time69%

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