$226+ 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — BZE
Sep 21 — Sep 281
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Belize with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Belize
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Cheapest flights from Seattle to BelizeExplore 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 22, 2026.
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 22, 2026.
This Air Canada deal was found by Cheapflights users on 8/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:45 am -
1 stop31h 05m
Fri 11/275:50 pm -
1 stop29h 09m
Deal found 8/20![Air Canada logo]()
$507
This Southwest deal was found by Cheapflights users on 8/20. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:10 am -
2 stops11h 10m
Sun 10/111:20 pm -
2 stops13h 05m
Deal found 8/20![Southwest logo]()
$560
This Gotogate deal was found by Cheapflights users on 8/21. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/303:30 pm -
1 stop22h 00m
Sat 11/72:00 pm -
1 stop25h 40m
Deal found 8/21![WestJet logo]()
$573
This Southwest deal was found by Cheapflights users on 8/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/69:25 pm -
2 stops14h 10m
Fri 11/202:55 pm -
2 stops21h 45m
Deal found 8/17![Southwest logo]()
$583
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 11/1411:34 pm -
2 stops13h 19m
Fri 11/202:37 pm -
1 stop11h 10m
Deal found 8/17![American Airlines logo]()
$592
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sun 11/222:30 pm -
1 stop22h 00m
Mon 11/303:20 pm -
2 stops24h 20m
Deal found 8/20![WestJet logo]()
$608
This Kiwi.com deal was found by Cheapflights users on 8/20. 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.
Sun 11/222:30 pm -
1 stop22h 00m
Thu 12/33:20 pm -
2 stops24h 20m
Deal found 8/20![WestJet logo]()
$609
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:25 pm -
2 stops15h 50m
Sun 9/271:10 pm -
1 stop11h 30m
Deal found 8/18![Southwest logo]()
$613
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 10/178:39 pm -
1 stop14h 44m
Sat 10/241:23 pm -
1 stop9h 34m
Deal found 8/17![American Airlines logo]()
$617
This Delta deal was found by Cheapflights users on 8/19. 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.
Thu 10/811:59 pm -
1 stop10h 06m
Thu 10/2212:20 pm -
1 stop10h 43m
Deal found 8/19![Delta logo]()
$620
Best flights from Seattle to BelizeDiscover carefully curated flight deals from Seattle to Belize that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
Discover carefully curated flight deals from Seattle to Belize that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 22, 2026.
This Delta deal was found by Cheapflights users on 8/19. 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.
Thu 10/811:59 pm -
1 stop10h 06m
Wed 10/2112:20 pm -
1 stop10h 43m
Deal found 8/19![Delta logo]()
$620
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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.
Mon 2/18:44 pm -
2 stops19h 08m
Fri 2/59:50 am -
2 stops25h 25m
Deal found 8/21![Alaska Airlines logo]()
$660
This United Airlines deal was found by Cheapflights users on 8/20. 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 10/411:59 pm -
1 stop10h 16m
Sun 10/112:35 pm -
1 stop9h 25m
Deal found 8/20![United Airlines logo]()
$666
This Delta deal was found by Cheapflights users on 8/20. 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 1/169:20 pm -
1 stop12h 55m
Thu 1/281:40 pm -
1 stop12h 29m
Deal found 8/20![Delta logo]()
$666
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Fri 9/185:00 pm -
1 stop17h 15m
Sun 9/272:35 pm -
1 stop9h 25m
Deal found 8/17![United Airlines logo]()
$695
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 1/168:51 pm -
1 stop19h 01m
Tue 1/269:50 am -
1 stop12h 50m
Deal found 8/20![Alaska Airlines logo]()
$695
This Alaska Airlines deal was found by Cheapflights users on 8/20. 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 1/178:51 pm -
1 stop19h 01m
Tue 1/269:50 am -
1 stop12h 50m
Deal found 8/20![Alaska Airlines logo]()
$695
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/1512:28 pm -
3 stops24h 08m
Thu 11/193:42 pm -
1 stop9h 09m
Deal found 8/17![United Airlines logo]()
$720
This Alaska Airlines deal was found by Cheapflights users on 8/18. 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 1/162:24 pm -
1 stop25h 28m
Sun 1/3111:00 am -
Nonstop6h 49m
Deal found 8/18![Alaska Airlines logo]()
$702
This United Airlines deal was found by Cheapflights users on 8/19. 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 10/75:05 pm -
1 stop17h 10m
Tue 10/2012:20 pm -
1 stop11h 40m
Deal found 8/19![United Airlines logo]()
$757
Last-minute flights from Seattle to BelizeDiscover last-minute flight deals from Seattle to Belize. Data last updated August 22, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Belize. Data last updated August 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 8/21. 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 8/2712:40 am -
1 stop12h 46m
Fri 9/41:32 pm -
1 stop24h 44m
Deal found 8/21![American Airlines logo]()
$712
This American Airlines deal was found by Cheapflights users on 8/17. 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 8/289:42 pm -
2 stops13h 50m
Thu 9/33:29 pm -
2 stops18h 56m
Deal found 8/17![American Airlines logo]()
$700
This Alaska Airlines deal was found by Cheapflights users on 8/21. 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 8/296:49 am -
1 stop9h 06m
Sat 9/510:00 am -
1 stop14h 59m
Deal found 8/21![Alaska Airlines logo]()
$695
This Copa Airlines deal was found by Cheapflights users on 8/20. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am -
2 stops26h 57m
Wed 9/911:26 am -
2 stops35h 25m
Deal found 8/20![Copa Airlines logo]()
$733
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 9/195:34 pm -
2 stops17h 48m
Sun 9/272:30 pm -
2 stops20h 39m
Deal found 8/17![American Airlines logo]()
$732
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/257:25 pm -
2 stops15h 50m
Sun 9/271:10 pm -
1 stop11h 30m
Deal found 8/18![Southwest logo]()
$613
This Delta deal was found by Cheapflights users on 8/18. 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 9/3011:59 pm -
1 stop10h 01m
Mon 10/1212:20 pm -
1 stop12h 32m
Deal found 8/18![Delta logo]()
$620
This American Airlines deal was found by Cheapflights users on 8/18. 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 9/3010:45 pm -
2 stops12h 37m
Mon 10/122:53 pm -
2 stops19h 38m
Deal found 8/18![American Airlines logo]()
$665
One-way flights from Seattle to BelizeSearch for one-way flight options from Seattle to Belize. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
Search for one-way flight options from Seattle to Belize. Find affordable one-way fares based on user searches. Data last updated August 22, 2026.
This Southwest deal was found by Cheapflights users on 8/18. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/159:25 pm -
2 stops14h 35m
Deal found 8/18![Southwest logo]()
$226
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/1511:59 pm -
1 stop12h 37m
Deal found 8/18![United Airlines logo]()
$255
This Delta deal was found by Cheapflights users on 8/18. 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.
Sun 11/1511:59 pm -
1 stop10h 31m
Deal found 8/18![Delta logo]()
$260
This oojo deal was found by Cheapflights users on 8/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/155:58 pm -
1 stop18h 30m
Deal found 8/17![Multiple Airlines logo]()
$268
This American Airlines deal was found by Cheapflights users on 8/18. 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.
Sat 11/143:41 pm -
1 stop21h 12m
Deal found 8/18![American Airlines logo]()
$275
This Delta deal was found by Cheapflights users on 8/18. 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.
Thu 11/1211:59 pm -
1 stop10h 31m
Deal found 8/18![Delta logo]()
$285
This American Airlines deal was found by Cheapflights users on 8/21. 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 11/155:10 am -
1 stop7h 43m
Deal found 8/21![American Airlines logo]()
$286
This American Airlines deal was found by Cheapflights users on 8/21. 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.
Sat 9/195:34 pm -
2 stops17h 48m
Deal found 8/21![American Airlines logo]()
$292
This Kiwi.com deal was found by Cheapflights users on 8/18. 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.
Sat 11/149:39 pm -
3 stops38h 51m
Deal found 8/18![Multiple Airlines logo]()
$295
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 August 22, 2026.
Round-trip from | $507 (Air Canada) |
|---|---|
One-way from | $226 (Southwest) |
Popular in | April |
Cheapest in | October |
Average price | $683 |
Good round-trip deal | $775 or less |
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 7,457,451 searches. Data last updated August 22, 2026.
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
Cheapest round-trip
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Thu 10/8
11:59 pm-11:05 am
1 stop10h 06m
Belize City Philip S.W.Goldson
Wed 10/21
12:20 pm-10:03 pm
1 stop10h 43m
$620
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Mon 2/1
8:44 pm-5:52 pm
2 stops19h 08m
Belize City Philip S.W.Goldson
Fri 2/5
9:50 am-9:15 am
2 stops25h 25m
$660
Quickest round-trip
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Sun 10/4
11:59 pm-11:15 am
1 stop10h 16m
Belize City Philip S.W.Goldson
Sun 10/11
2:35 pm-11:00 pm
1 stop9h 25m
$666
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Sat 1/16
9:20 pm-12:15 pm
1 stop12h 55m
Belize City Philip S.W.Goldson
Thu 1/28
1:40 pm-12:09 am
1 stop12h 29m
$666
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Fri 9/18
5:00 pm-11:15 am
1 stop17h 15m
Belize City Philip S.W.Goldson
Sun 9/27
2:35 pm-11:00 pm
1 stop9h 25m
$695
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Sat 1/16
8:51 pm-5:52 pm
1 stop19h 01m
Belize City Philip S.W.Goldson
Tue 1/26
9:50 am-8:40 pm
1 stop12h 50m
$695
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Sun 1/17
8:51 pm-5:52 pm
1 stop19h 01m
Belize City Philip S.W.Goldson
Tue 1/26
9:50 am-8:40 pm
1 stop12h 50m
$695
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Sat 1/16
2:24 pm-5:52 pm
1 stop25h 28m
Belize City Philip S.W.Goldson
Sun 1/31
11:00 am-3:49 pm
Nonstop6h 49m
$702
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Sun 11/15
12:28 pm-2:36 pm
3 stops24h 08m
Belize City Philip S.W.Goldson
Thu 11/19
3:42 pm-10:51 pm
1 stop9h 09m
$720
SeattleBelize City
SEA Seattle/Tacoma Intl - BZE Belize City Philip S.W.Goldson
SEABZE
Seattle/Tacoma Intl
Wed 10/7
5:05 pm-11:15 am
1 stop17h 10m
Belize City Philip S.W.Goldson
Tue 10/20
12:20 pm-11:00 pm
1 stop11h 40m
$757
Showing 1-10 of 20 resultsSorted by cheapest first
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.
SEA-BZE
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
SEA-BZ0
SEA-BZE
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 $411). Flying from Seattle to Belize in August is currently the most expensive (average of $825). 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.
How far ahead should I book a flight from Seattle to Belize?
To ensure you get the cheapest price possible for a flight from Seattle to Belize, you should look to book at least 68 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
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 22, 2026.
Read through reviews of airlines operating flights from Seattle to Belize, such as Alaska Airlines,Delta, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Overall
7.9
Reviews
1 / 20
6.0
GoodAnonymous,Jul 2026
SEA - LHR
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.
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Alternative routes for Seattle to Belize
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Complete your trip
Complete your trip to Belize by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Seattle to Belize, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Seattle and Belize flights
Browse other Seattle and Belize flight options. Last updated on August 22, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Belize regions
Consider these flights traveling to Belize regions.
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 7,457,451 searches. Data last updated August 22, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$139 | Average$585 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$370 | Average$680 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$376 | Average$646 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$403 | Average$603 | FlexibilityNo cancel fee | On-time75% |