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Saint Lucia

$196+ Cheap flights from Seattle (SEA) to Saint Lucia

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 2/22. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
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Cheap flight deals from Seattle to Saint Lucia

Keep the following information in mind while searching for Seattle to Saint Lucia flight deals. Data was last updated January 8, 2026.

Round-trip from

$492
(American Airlines)

One-way from

$196
(Delta)
From Seattle/Tacoma Intl to Saint Lucia
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One-way flight from Seattle/Tacoma Intl to Saint Lucia
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Find flight deals from Seattle to Saint Lucia

Cheapest flights from Seattle to Saint Lucia
Explore the most affordable flight options available from Seattle to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This American Airlines deal was found by Cheapflights users on 1/6. 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 3/510:16 pmSEA - UVF
1 stop12h 32mAmerican Airlines
Mon 3/163:18 pmUVF - SEA
1 stop23h 09mAmerican Airlines
Deal found 1/6$492
This Delta deal was found by Cheapflights users on 1/6. 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.
Fri 1/304:05 pmSEA - UVF
1 stop19h 00mDelta
Fri 2/64:25 pmUVF - SEA
1 stop21h 42mDelta
Deal found 1/6$553
This Air Canada deal was found by Cheapflights users on 1/5. 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.
Sat 4/1810:10 amSEA - UVF
2 stops26h 10mAir Canada
Sun 4/264:20 pmUVF - SEA
2 stops25h 43mAir Canada
Deal found 1/5$585
This Expedia deal was found by Cheapflights users on 1/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/218:10 amSEA - UVF
1 stop28h 15mAir Canada
Sun 3/294:20 pmUVF - SEA
1 stop32h 31mAir Canada
Deal found 1/8$592
This Air Canada deal was found by Cheapflights users on 1/6. 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.
Mon 2/28:00 pmSEA - UVF
2 stops40h 20mAir Canada
Fri 2/65:15 pmUVF - SEA
1 stop33h 01mAir Canada
Deal found 1/6$603
This Delta deal was found by Cheapflights users on 1/7. 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 10/243:55 pmSEA - UVF
1 stop19h 31mDelta
Wed 10/283:41 pmUVF - SEA
1 stop21h 45mDelta
Deal found 1/7$614
This Air Canada deal was found by Cheapflights users on 1/7. 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.
Sun 2/15:50 amSEA - UVF
2 stops30h 35mAir Canada
Wed 2/255:15 pmUVF - SEA
2 stops30h 01mAir Canada
Deal found 1/7$621
This American Airlines deal was found by Cheapflights users on 1/5. 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 8/1611:55 pmSEA - UVF
1 stop11h 20mAmerican Airlines
Thu 8/203:15 pmUVF - SEA
2 stops21h 04mAmerican Airlines
Deal found 1/5$623
This American Airlines deal was found by Cheapflights users on 1/7. 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 2/221:44 pmSEA - UVF
1 stop21h 34mAmerican Airlines
Mon 3/24:18 pmUVF - SEA
1 stop23h 09mAmerican Airlines
Deal found 1/7$643
This American Airlines deal was found by Cheapflights users on 1/7. 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 10/2111:53 pmSEA - UVF
1 stop10h 32mAmerican Airlines
Mon 10/264:00 pmUVF - SEA
2 stops21h 33mAmerican Airlines
Deal found 1/7$648
This Mytrip deal was found by Cheapflights users on 1/8. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/228:00 pmSEA - SLU
3 stops18h 25mMultiple Airlines
Sun 3/17:10 pmSLU - SEA
3 stops31h 41mMultiple Airlines
Deal found 1/8$1,316
This Gotogate deal was found by Cheapflights users on 1/5. 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 2/208:10 amSEA - SLU
2 stops25h 00mMultiple Airlines
Fri 2/277:10 pmSLU - SEA
2 stops31h 06mMultiple Airlines
Deal found 1/5$1,923

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Saint Lucia 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 January 8, 2026.
Use the filters below to find and compare flights from Seattle to Saint Lucia that are best for you.

Fly from

Seattle

Fly to

Saint Lucia

Route

Depart

Return

Price

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Thu 3/5

10:16 pm-2:48 pm

1 stop12h 32m

Castries Hewanorra

Mon 3/16

3:18 pm-11:27 am

1 stop23h 09m

$492

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 2/22

10:08 pm-3:58 pm

2 stops13h 50m

Castries Hewanorra

Mon 3/2

4:58 pm-10:56 am

2 stops21h 58m

$497

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 3/4

10:08 pm-3:58 pm

2 stops13h 50m

Castries Hewanorra

Mon 3/16

3:18 pm-11:27 am

1 stop23h 09m

$497

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 1/30

9:45 pm-3:41 pm

1 stop13h 56m

Castries Hewanorra

Fri 2/6

5:02 pm-11:45 am

2 stops22h 43m

$497

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 1/30

4:05 pm-3:05 pm

1 stop19h 00m

Castries Hewanorra

Fri 2/6

4:25 pm-10:07 am

1 stop21h 42m

$553

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Mon 2/2

8:00 pm-4:20 pm

2 stops40h 20m

Castries Hewanorra

Fri 2/6

5:15 pm-7:16 pm

2 stops30h 01m

$603

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Sun 2/22

8:00 pm-6:25 pm

3 stops18h 25m

Castries George F. L. Charle

Sun 3/1

7:10 pm-10:51 pm

3 stops31h 41m

$1,316

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Fri 2/20

8:10 am-1:10 pm

2 stops25h 00m

Castries George F. L. Charle

Fri 2/27

7:10 pm-10:16 pm

2 stops31h 06m

$1,923

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Thu 2/26

8:10 am-3:15 pm

2 stops27h 05m

Castries George F. L. Charle

Mon 3/2

7:10 pm-10:16 pm

2 stops55h 06m

$3,715

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 2/22

1:44 pm-3:18 pm

1 stop21h 34m

$196

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/7

Showing 1-10 of 20 results
1
2

Best time to book a flight from Seattle to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia 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 Saint Lucia
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. 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 Saint Lucia. Reviews last updated January 8, 2026.
See what other customers who have flown with American Airlines from Seattle to Saint Lucia have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,094 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,094 reviews
American Airlines
7.2
Good
11,094 reviews

Overall

7.2

Comfort

7.2

Boarding

7.5

Food

6.4

Crew

8.0

Entertainment

6.9

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Seattle to Saint Lucia. 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 Saint Lucia?

    Located just 11.4 mi from the city center, Seattle/Tacoma Intl (SEA) is the airport most travelers will use when flying to Saint Lucia from Seattle.

  • How long is the flight from Seattle to Saint Lucia?

    There are many flights that can get you from Seattle to Saint Lucia in 12h 32m. Fly via American Airlines to get the fastest option. There are 4189 mi between Seattle and Saint Lucia.

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

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

  • How can I find direct flights from Seattle to Saint Lucia?

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

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

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

See more FAQs

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Alternative routes for Seattle to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Seattle to Saint Lucia

Discover the top airline that operate flights from Seattle to Saint Lucia. 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 January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$613Average$839FlexibilityNo cancel feeOn-time71%

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