$290+ 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 7/16. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — UVF
Jul 6 — Jul 131
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Saint Lucia 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 Saint Lucia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Seattle to Saint LuciaExplore 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 June 6, 2026.
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 June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/33:40 pm
SEA
- UVF
2 stops17h 30m
United Airlines
Sat 7/1112:55 pm
UVF
- SEA
2 stops22h 00m
United Airlines
Deal found 6/2![United Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/45:40 pm
SEA
- UVF
2 stops17h 40m
American Airlines
Sat 7/112:50 pm
UVF
- SEA
2 stops21h 35m
American Airlines
Deal found 6/4![American Airlines logo]()
$645
This American Airlines deal was found by Cheapflights users on 6/5. 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.
Tue 8/188:21 pm
SEA
- UVF
1 stop14h 33m
American Airlines
Tue 8/252:54 pm
UVF
- SEA
1 stop12h 26m
American Airlines
Deal found 6/5![American Airlines logo]()
$684
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 6/171:00 pm
SEA
- UVF
1 stop20h 04m
American Airlines
Sun 6/212:46 pm
UVF
- SEA
1 stop12h 22m
American Airlines
Deal found 6/6![American Airlines logo]()
$726
This Air Canada deal was found by Cheapflights users on 6/4. 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 11/17:45 am
SEA
- UVF
1 stop28h 40m
Air Canada
Thu 11/55:25 pm
UVF
- SEA
1 stop31h 29m
Air Canada
Deal found 6/4![Air Canada logo]()
$730
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 7/69:35 pm
SEA
- UVF
1 stop13h 45m
American Airlines
Mon 7/133:20 pm
UVF
- SEA
1 stop21h 27m
American Airlines
Deal found 6/6![American Airlines logo]()
$762
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/16:08 pm
SEA
- UVF
2 stops15h 00m
American Airlines
Tue 7/73:20 pm
UVF
- SEA
2 stops21h 07m
American Airlines
Deal found 6/2![American Airlines logo]()
$806
This Booking.com deal was found by Cheapflights users on 6/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:45 am
SEA
- SLU
2 stops31h 15m
Multiple Airlines
Fri 11/2712:35 pm
SLU
- SEA
2 stops36h 19m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,060
This Gotogate deal was found by Cheapflights users on 6/4. 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 7/38:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Wed 7/812:35 pm
SLU
- SEA
2 stops35h 32m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,245
This Travelocity deal was found by Cheapflights users on 6/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Sun 7/193:45 pm
SLU
- SEA
2 stops56h 22m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,426
This Mytrip deal was found by Cheapflights users on 6/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:59 pm
SEA
- SLU
3 stops30h 31m
Multiple Airlines
Mon 7/1312:35 pm
SLU
- SEA
3 stops32h 57m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,604
This Mytrip deal was found by Cheapflights users on 6/4. 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.
Fri 6/2611:59 pm
SEA
- SLU
3 stops35h 31m
Multiple Airlines
Mon 6/2912:35 pm
SLU
- SEA
3 stops28h 47m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,685
Best flights from Seattle to Saint LuciaDiscover carefully curated flight deals from Seattle to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
Discover carefully curated flight deals from Seattle to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/33:40 pm
SEA
- UVF
2 stops17h 30m
United Airlines
Sat 7/1112:55 pm
UVF
- SEA
2 stops22h 00m
United Airlines
Deal found 6/2![United Airlines logo]()
$564
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/43:21 pm
SEA
- UVF
2 stops19h 59m
American Airlines
Sat 7/112:50 pm
UVF
- SEA
1 stop12h 17m
American Airlines
Deal found 6/4![American Airlines logo]()
$645
This Air Canada deal was found by Cheapflights users on 6/4. 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 11/17:45 am
SEA
- UVF
1 stop28h 40m
Air Canada
Thu 11/55:25 pm
UVF
- SEA
1 stop31h 29m
Air Canada
Deal found 6/4![Air Canada logo]()
$730
This Booking.com deal was found by Cheapflights users on 6/5. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:45 am
SEA
- SLU
2 stops31h 15m
Multiple Airlines
Fri 11/2712:35 pm
SLU
- SEA
2 stops36h 19m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$1,060
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/18:45 pm
SEA
- UVF
1 stop12h 23m
American Airlines
Tue 7/73:20 pm
UVF
- SEA
2 stops21h 07m
American Airlines
Deal found 6/2![American Airlines logo]()
$806
This Orbitz deal was found by Cheapflights users on 6/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/207:05 pm
SEA
- UVF
2 stops41h 20m
Air Canada
Fri 11/275:25 pm
UVF
- SEA
1 stop31h 29m
Air Canada
Deal found 6/5![Air Canada logo]()
$864
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 6/178:45 pm
SEA
- UVF
1 stop14h 01m
American Airlines
Sun 6/213:16 pm
UVF
- SEA
2 stops21h 16m
American Airlines
Deal found 6/6![American Airlines logo]()
$821
This Travelocity deal was found by Cheapflights users on 6/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Sun 7/193:45 pm
SLU
- SEA
2 stops56h 22m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,426
This Mytrip deal was found by Cheapflights users on 6/4. 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.
Fri 7/37:35 pm
SEA
- SLU
3 stops20h 25m
Multiple Airlines
Wed 7/812:35 pm
SLU
- SEA
2 stops35h 32m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,443
This Mytrip deal was found by Cheapflights users on 6/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:59 pm
SEA
- SLU
3 stops30h 31m
Multiple Airlines
Mon 7/1312:35 pm
SLU
- SEA
3 stops32h 57m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,604
This Gotogate deal was found by Cheapflights users on 6/4. 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 6/268:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Mon 6/2912:35 pm
SLU
- SEA
2 stops35h 32m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,782
This Travelocity deal was found by Cheapflights users on 6/2. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/58:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Tue 8/1111:45 am
SLU
- SEA
2 stops36h 22m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$3,383
Last-minute flights from Seattle to Saint LuciaDiscover last-minute flight deals from Seattle to Saint Lucia. Data last updated June 6, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Saint Lucia. Data last updated June 6, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Wed 6/171:00 pm
SEA
- UVF
1 stop20h 04m
American Airlines
Sun 6/212:46 pm
UVF
- SEA
1 stop12h 22m
American Airlines
Deal found 6/6![American Airlines logo]()
$726
This Mytrip deal was found by Cheapflights users on 6/4. 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.
Fri 6/2611:59 pm
SEA
- SLU
3 stops35h 31m
Multiple Airlines
Mon 6/2912:35 pm
SLU
- SEA
3 stops28h 47m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,685
This American Airlines deal was found by Cheapflights users on 6/2. 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 7/16:08 pm
SEA
- UVF
2 stops15h 00m
American Airlines
Tue 7/73:20 pm
UVF
- SEA
2 stops21h 07m
American Airlines
Deal found 6/2![American Airlines logo]()
$806
This United Airlines deal was found by Cheapflights users on 6/2. 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 7/33:40 pm
SEA
- UVF
2 stops17h 30m
United Airlines
Sat 7/1112:55 pm
UVF
- SEA
2 stops22h 00m
United Airlines
Deal found 6/2![United Airlines logo]()
$564
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
Fri 7/310:28 pm
SEA
- UVF
1 stop12h 03m
JetBlue
Wed 7/84:45 pm
UVF
- SEA
1 stop31h 12m
JetBlue
Deal found 6/4![JetBlue logo]()
$882
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/35:37 pm
SEA
- UVF
2 stops17h 13m
American Airlines
Wed 7/82:50 pm
UVF
- SEA
1 stop12h 17m
American Airlines
Deal found 6/4![American Airlines logo]()
$926
This Gotogate deal was found by Cheapflights users on 6/4. 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 7/38:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Wed 7/812:35 pm
SLU
- SEA
2 stops35h 32m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,245
This American Airlines deal was found by Cheapflights users on 6/4. 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 7/45:40 pm
SEA
- UVF
2 stops17h 40m
American Airlines
Sat 7/112:50 pm
UVF
- SEA
2 stops21h 35m
American Airlines
Deal found 6/4![American Airlines logo]()
$645
This American Airlines deal was found by Cheapflights users on 6/6. 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.
Mon 7/69:35 pm
SEA
- UVF
1 stop13h 45m
American Airlines
Mon 7/133:20 pm
UVF
- SEA
1 stop21h 27m
American Airlines
Deal found 6/6![American Airlines logo]()
$762
This Mytrip deal was found by Cheapflights users on 6/6. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/611:59 pm
SEA
- SLU
3 stops30h 31m
Multiple Airlines
Mon 7/1312:35 pm
SLU
- SEA
3 stops32h 57m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,604
This Travelocity deal was found by Cheapflights users on 6/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:00 am
SEA
- SLU
2 stops32h 00m
Multiple Airlines
Sun 7/193:45 pm
SLU
- SEA
2 stops56h 22m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,426
One-way flights from Seattle to Saint LuciaSearch for one-way flight options from Seattle to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
Search for one-way flight options from Seattle to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated June 6, 2026.
This United Airlines deal was found by Cheapflights users on 6/5. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:54 pm
SEA
- UVF
2 stops40h 37m
United Airlines
Deal found 6/5![United Airlines logo]()
$290
This Expedia deal was found by Cheapflights users on 6/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/168:00 am
SEA
- UVF
1 stop27h 10m
Air Canada
Deal found 6/5![Air Canada logo]()
$446
This Kiwi.com deal was found by Cheapflights users on 6/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1611:00 pm
SEA
- UVF
3 stops59h 40m
Multiple Airlines
Deal found 6/5![Multiple Airlines logo]()
$524
Find 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 June 6, 2026.
Round-trip from | $564 (United Airlines) |
|---|---|
One-way from | $290 (United Airlines) |
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 June 6, 2026.
Use the filters below to find and compare flights from Seattle to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleCastries
SEA - UVF
SEAUVF
Seattle/Tacoma Intl
Fri 7/3
3:40 pm-12:10 pm
2 stops17h 30m
Castries Hewanorra
Sat 7/11
12:55 pm-7:55 am
2 stops22h 00m
$564
Quickest round-trip
SeattleCastries
SEA - UVF
SEAUVF
Seattle/Tacoma Intl
Sat 7/4
3:21 pm-2:20 pm
2 stops19h 59m
Castries Hewanorra
Sat 7/11
2:50 pm-12:07 am
1 stop12h 17m
$645
SeattleCastries
SEA - UVF
SEAUVF
Seattle/Tacoma Intl
Sun 11/1
7:45 am-4:25 pm
1 stop28h 40m
Castries Hewanorra
Thu 11/5
5:25 pm-8:54 pm
1 stop31h 29m
$730
SeattleCastries
SEA - UVF
SEAUVF
Seattle/Tacoma Intl
Wed 7/1
8:45 pm-12:08 pm
1 stop12h 23m
Castries Hewanorra
Tue 7/7
3:20 pm-9:27 am
2 stops21h 07m
$806
SeattleCastries
SEA - UVF
SEAUVF
Seattle/Tacoma Intl
Wed 6/17
8:45 pm-1:46 pm
1 stop14h 01m
Castries Hewanorra
Sun 6/21
3:16 pm-9:32 am
2 stops21h 16m
$821
SeattleCastries
SEA - UVF
SEAUVF
Seattle/Tacoma Intl
Fri 11/20
7:05 pm-4:25 pm
2 stops41h 20m
Castries Hewanorra
Fri 11/27
5:25 pm-8:54 pm
1 stop31h 29m
$864
SeattleCastries
SEA - SLU
SEASLU
Seattle/Tacoma Intl
Fri 11/20
7:45 am-7:00 pm
2 stops31h 15m
Castries George F. L. Charle
Fri 11/27
12:35 pm-8:54 pm
2 stops36h 19m
$1,060
SeattleCastries
SEA - SLU
SEASLU
Seattle/Tacoma Intl
Tue 7/14
8:00 am-7:00 pm
2 stops32h 00m
Castries George F. L. Charle
Sun 7/19
3:45 pm-9:07 pm
2 stops56h 22m
$1,426
SeattleCastries
SEA - SLU
SEASLU
Seattle/Tacoma Intl
Fri 7/3
7:35 pm-7:00 pm
3 stops20h 25m
Castries George F. L. Charle
Wed 7/8
12:35 pm-9:07 pm
2 stops35h 32m
$1,443
SeattleCastries
SEA - SLU
SEASLU
Seattle/Tacoma Intl
Mon 7/6
11:59 pm-9:30 am
3 stops30h 31m
Castries George F. L. Charle
Mon 7/13
12:35 pm-6:32 pm
3 stops32h 57m
$1,604
Showing 1-10 of 14 resultsSorted by cheapest first
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.
SEA-UVF
SEA-SLU
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
SEA-LC0
SEA-UVF
SEA-SLU
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 June 6, 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.
Overall
7.1
Boarding
7.5
Comfort
7.2
Food
6.4
Crew
7.9
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
Overall
7.1
Boarding
7.5
Comfort
7.2
Food
6.4
Crew
7.9
Entertainment
6.9
Reviews
1 / 20
2.0
MediocreAnonymous,Apr 2026
DFW - BDL
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.
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Seattle and Saint Lucia flights
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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 June 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$668 | Average$921 | FlexibilityNo cancel fee | On-time71% |