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Saint Lucia

$218+ 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 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
Jan 25 — Feb 11
Sat 1/25
Sat 2/1
1 adult, Economy
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Cheap flight deals from Seattle to Saint Lucia

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Saint Lucia (LC0). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 20, 2025.

Round-trip from

$534
(American Airlines)

One-way from

$297
(American Airlines)
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 20, 2025.

This American Airlines deal was found by Cheapflights users on 1/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/45:45 pmSEA - UVF
2 stops16h 50mAmerican Airlines
Tue 3/113:10 pmUVF - SEA
2 stops21h 23mAmerican Airlines
Deal found 1/19$527
This Expedia deal was found by Cheapflights users on 1/19. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:05 amSEA - UVF
1 stop29h 40mAir Canada
Sun 4/63:45 pmUVF - SEA
1 stop32h 41mAir Canada
Deal found 1/19$632
This Mytrip deal was found by Cheapflights users on 1/19. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/43:15 pmSEA - UVF
3 stops20h 30mMultiple Airlines
Tue 3/112:40 pmUVF - SEA
2 stops26h 41mMultiple Airlines
Deal found 1/19$821
This Justfly.com deal was found by Cheapflights users on 1/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/32:05 pmSEA - UVF
2 stops20h 40mWestJet
Sun 5/112:35 pmUVF - SEA
2 stops32h 53mWestJet
Deal found 1/19$822
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Mon 2/177:13 pmSEA - UVF
2 stops41h 12mUnited Airlines
Wed 2/261:52 pmUVF - SEA
3 stops25h 20mUnited Airlines
Deal found 1/19$832
This Delta deal was found by Cheapflights users on 1/19. 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.
Wed 5/75:10 pmSEA - UVF
1 stop17h 58mDelta
Thu 5/153:47 pmUVF - SEA
1 stop24h 47mDelta
Deal found 1/19$957
This Mytrip deal was found by Cheapflights users on 1/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/16:05 amSEA - SLU
2 stops24h 25mMultiple Airlines
Sun 4/612:30 pmSLU - SEA
3 stops31h 44mMultiple Airlines
Deal found 1/20$1,685
This KAYAK deal was found by Cheapflights users on 1/18. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/136:45 pmSEA - UVF
2 stops41h 15mBritish Airways
Wed 8/208:25 pmUVF - SEA
2 stops49h 28mBritish Airways
Deal found 1/18$29,058

Find flights from Seattle to Saint Lucia within your budget

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 20, 2025.

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Route

Depart

Return

Price

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 3/4

10:17 pm-3:45 pm

1 stop13h 28m

Castries Hewanorra

Tue 3/11

3:10 pm-12:50 pm

1 stop24h 40m

$534

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 4/1

10:35 am-2:45 pm

2 stops25h 10m

Castries Hewanorra

Sun 4/6

3:45 pm-9:26 pm

1 stop32h 41m

$632

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 5/3

2:05 pm-1:45 pm

2 stops20h 40m

Castries Hewanorra

Sun 5/11

2:35 pm-8:28 pm

2 stops32h 53m

$822

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Mon 2/17

7:13 pm-4:25 pm

2 stops41h 12m

Castries Hewanorra

Wed 2/26

1:52 pm-11:12 am

3 stops25h 20m

$832

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 5/3

2:05 pm-1:45 pm

2 stops20h 40m

Castries Hewanorra

Tue 5/13

3:05 pm-11:16 am

1 stop23h 11m

$891

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 5/7

5:10 pm-2:08 pm

1 stop17h 58m

Castries Hewanorra

Thu 5/15

3:47 pm-1:34 pm

1 stop24h 47m

$957

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Tue 4/1

6:05 am-9:30 am

2 stops24h 25m

Castries George F. L. Charle

Sun 4/6

12:30 pm-5:14 pm

3 stops31h 44m

$1,685

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 3/5

10:17 pm-4:00 pm

1 stop13h 43m

$218

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Wed 3/5

12:41 pm-2:44 pm

3 stops22h 03m

$655

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Thu 3/6

5:40 pm-4:25 pm

3 stops42h 45m

$3,922

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/20

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.

Travel insights for flights from Seattle to Saint Lucia

Get recent, data-driven insights about flights from Seattle to Saint Lucia including ideal travel times, pricing trends, and more.

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

Currently, January is the cheapest month in which you can book a flight from Seattle to Saint Lucia (average of $556). Flying from Seattle to Saint Lucia in December is currently the most expensive (average of $730). 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 LC?

Find hourly flight availability from Seattle to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 20, 2025.

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

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 20, 2025.
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,521 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
8,982 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

WestJet
7.2
Good
2,828 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Air Canada
7.0
Good
8,627 reviews
Delta
8.0
Very good
8,521 reviews

Crew

8.6

Food

7.3

Overall

8.0

Comfort

8.0

Entertainment

7.9

Boarding

8.2

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $297. However, be on the lookout for offers from Delta and WestJet, as they are both options that can get you from Seattle to Saint Lucia for a low price.

  • 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.

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

    Currently, January is the cheapest month in which you can book a flight from Seattle to Saint Lucia (average of $556). Flying from Seattle to Saint Lucia in December is currently the most expensive (average of $730). 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 Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Seattle to Saint Lucia

Discover the top 2 airlines 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 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$407Average$597FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$529Average$848FlexibilityNo cancel feeOn-time71%
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