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$227+ 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 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BZE
Aug 17 — Aug 241
Sun 8/17
Sun 8/24
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 August 12, 2025.

Round-trip from

$364
(United Airlines)

One-way from

$227
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$612

Good round-trip deal

$589 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 ($58 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip 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 August 12, 2025.

This United Airlines deal was found by Cheapflights users on 8/10. 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.
Thu 9/115:35 pmSEA - BZE
2 stops17h 00mUnited Airlines
Mon 9/222:35 pmBZE - SEA
1 stop9h 17mUnited Airlines
Deal found 8/10$364
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Tue 9/238:51 pmSEA - BZE
1 stop14h 41mAmerican Airlines
Mon 9/291:32 pmBZE - SEA
2 stops21h 54mAmerican Airlines
Deal found 8/10$368
This American Airlines deal was found by Cheapflights users on 8/11. 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.
Thu 9/45:43 pmSEA - BZE
2 stops17h 49mAmerican Airlines
Sun 9/141:32 pmBZE - SEA
2 stops20h 49mAmerican Airlines
Deal found 8/11$373
This Delta deal was found by Cheapflights users on 8/11. 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.
Wed 10/293:45 pmSEA - BZE
1 stop18h 40mDelta
Mon 11/31:38 pmBZE - SEA
1 stop12h 16mDelta
Deal found 8/11$398
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 10/2911:20 pmSEA - BZE
2 stops11h 30mAmerican Airlines
Mon 11/34:21 pmBZE - SEA
2 stops19h 28mAmerican Airlines
Deal found 8/10$402
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Wed 10/2911:20 pmSEA - BZE
2 stops11h 30mAmerican Airlines
Sun 11/21:12 pmBZE - SEA
1 stop11h 53mAmerican Airlines
Deal found 8/10$407
This United Airlines deal was found by Cheapflights users on 8/12. 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 9/37:00 pmSEA - BZE
2 stops17h 33mUnited Airlines
Thu 9/1112:40 pmBZE - SEA
2 stops11h 19mUnited Airlines
Deal found 8/12$422
This Alaska Airlines deal was found by Cheapflights users on 8/10. 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.
Sat 12/68:00 amSEA - BZE
Nonstop6h 01mAlaska Airlines
Sun 12/1410:00 amBZE - SEA
1 stop16h 11mAlaska Airlines
Deal found 8/10$427
This Delta deal was found by Cheapflights users on 8/11. 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.
Sat 11/153:55 pmSEA - BZE
1 stop18h 48mDelta
Fri 11/212:08 pmBZE - SEA
1 stop12h 06mDelta
Deal found 8/11$432
This American Airlines deal was found by Cheapflights users on 8/10. 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 11/145:24 amSEA - BZE
1 stop7h 40mAmerican Airlines
Wed 11/264:21 pmBZE - SEA
2 stops20h 13mAmerican Airlines
Deal found 8/10$436
This American Airlines deal was found by Cheapflights users on 8/10. 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.
Sun 10/512:30 amSEA - BZE
1 stop12h 50mAmerican Airlines
Thu 10/1612:50 pmBZE - SEA
1 stop9h 56mAmerican Airlines
Deal found 8/10$440

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 August 12, 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

Thu 9/4

11:58 pm-1:33 pm

1 stop12h 35m

Belize City Philip S.W.Goldson

Sun 9/14

2:35 pm-10:52 pm

1 stop9h 17m

$364

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Thu 9/11

8:51 pm-12:32 pm

1 stop14h 41m

Belize City Philip S.W.Goldson

Mon 9/15

1:32 pm-11:59 pm

1 stop11h 27m

$364

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Thu 9/11

5:35 pm-11:35 am

2 stops17h 00m

Belize City Philip S.W.Goldson

Mon 9/22

2:35 pm-10:52 pm

1 stop9h 17m

$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-11:59 pm

1 stop11h 27m

$364

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Thu 9/25

5:26 pm-11:35 am

2 stops17h 09m

Belize City Philip S.W.Goldson

Thu 10/2

2:35 pm-11:15 pm

1 stop9h 40m

$364

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 11/1

11:59 pm-12:14 pm

1 stop11h 15m

$227

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Mon 11/10

11:59 pm-12:14 pm

1 stop10h 15m

$448

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 11/8

2:41 pm-2:32 pm

2 stops21h 51m

$448

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sun 11/9

7:13 pm-2:32 pm

2 stops17h 19m

$454

SeattleBelize City

SEA - BZE

SEABZE

Seattle/Tacoma Intl

Sat 11/8

12:59 am-3:04 pm

1 stop12h 05m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 14 results
1
2

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 August 12, 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 August 12, 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
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,978 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,922 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Overall

8.0

Boarding

8.1

Food

7.1

Crew

8.5

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 flights from Seattle to Belize?

    Looking for the cheapest flight from Seattle to Belize? While on average our users pay $589, our data indicates the cheapest price to be $589. The most popular route (Seattle/Tacoma Intl - Belize City Philip S.W.Goldson), is priced around $364.

  • 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

Browse thousands of different options on Cheapflights for your next trip

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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 August 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$738FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$357Average$701FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$377Average$647FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$396Average$615FlexibilityNo cancel feeOn-time71%

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