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Cheap flights from Seattle to Saint Lucia from $358

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
3:15 pm - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
21h 25m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:35 pm - 6:22 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
28h 47m2 stops Toronto Pearson Intl Vancouver Intl
$792Air Canada
Sun, Dec 6 - Thu, Dec 10
Air Canada Logo
7:45 am - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
28h 55m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 pm - 8:59 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
31h 24m1 stop Toronto Pearson Intl
$792Air Canada
Sun, Dec 6 - Thu, Dec 10
Air Canada Logo
7:45 am - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
28h 55m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 pm - 8:59 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
31h 24m1 stop Toronto Pearson Intl
$792Air Canada
Thu, Dec 3 - Fri, Dec 11
Air Canada Logo
7:45 am - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
28h 55m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 pm - 2:37 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
25h 02m2 stops Toronto Pearson Intl Vancouver Intl
$792Air Canada
Sun, Dec 6 - Thu, Dec 10
Air Canada Logo
7:05 pm - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
17h 35m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:35 pm - 8:59 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
31h 24m1 stop Toronto Pearson Intl
$792Air Canada
Thu, Dec 3 - Fri, Dec 11
Air Canada Logo
7:45 am - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
28h 55m1 stop Toronto Pearson Intl
Air Canada Logo
5:35 pm - 2:37 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
25h 02m2 stops Toronto Pearson Intl Vancouver Intl
$799Air Canada
Sun, Dec 6 - Thu, Dec 10
Air Canada Logo
3:15 pm - 4:40 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
21h 25m2 stops Vancouver Intl Toronto Pearson Intl
Air Canada Logo
5:35 pm - 6:22 pmUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
28h 47m2 stops Toronto Pearson Intl Vancouver Intl
$799Air Canada
Sun, Dec 6 - Thu, Dec 10
American Airlines Logo
10:11 pm - 2:58 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
12h 47m1 stop Charlotte Douglas
American Airlines Logo
3:42 pm - 12:30 amUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
12h 48m1 stop Miami
$851American Airlines
Tue, Feb 23 - Tue, Mar 9
American Airlines Logo
9:14 pm - 3:57 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
14h 43m1 stop Miami
American Airlines Logo
4:57 pm - 9:37 amUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
20h 40m2 stops Miami Chicago O'Hare Intl
$855American Airlines
Tue, Feb 23 - Tue, Mar 9
American Airlines Logo
6:19 pm - 2:23 pmSEA  Seattle/Tacoma Intl-UVF Castries Hewanorra
17h 04m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
American Airlines Logo
3:28 pm - 10:41 amUVF  Castries Hewanorra-SEA Seattle/Tacoma Intl
22h 13m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$855American Airlines
Tue, May 4 - Tue, May 18

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American Airlines flights from Seattle to Saint Lucia

Our best American Airlines deals on Seattle to Saint Lucia flight tickets
American Airlines
Feb 23
SEA10:11 pmSeattle/Tacoma Intl
12h 47m
1 stop
UVF2:58 pmCastries Hewanorra
Mar 9
UVF3:42 pmCastries Hewanorra
12h 48m
1 stop
SEA12:30 amSeattle/Tacoma Intl
$851
American Airlines
May 4
SEA6:19 pmSeattle/Tacoma Intl
17h 04m
2 stops
UVF2:23 pmCastries Hewanorra
May 18
UVF2:35 pmCastries Hewanorra
21h 52m
2 stops
SEA9:27 amSeattle/Tacoma Intl
$855
American Airlines
Jan 21
SEA11:31 pmSeattle/Tacoma Intl
10h 45m
1 stop
UVF2:16 pmCastries Hewanorra
Jan 28
UVF3:46 pmCastries Hewanorra
13h 13m
1 stop
SEA12:59 amSeattle/Tacoma Intl
$887

Delta flights from Seattle to Saint Lucia

Our best Delta deals on Seattle to Saint Lucia flight tickets
Delta
Dec 28
SEA11:06 pmSeattle/Tacoma Intl
12h 30m
1 stop
UVF3:36 pmCastries Hewanorra
Jan 6
UVF4:31 pmCastries Hewanorra
21h 34m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,109
Delta
Dec 25
SEA11:06 pmSeattle/Tacoma Intl
10h 36m
1 stop
UVF1:42 pmCastries Hewanorra
Jan 6
UVF4:31 pmCastries Hewanorra
21h 34m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,251
Delta
Dec 28
SEA11:06 pmSeattle/Tacoma Intl
12h 30m
1 stop
UVF3:36 pmCastries Hewanorra
Jan 4
UVF4:31 pmCastries Hewanorra
21h 34m
1 stop
SEA10:05 amSeattle/Tacoma Intl
$1,418

momondo Fare Finder

 
Use the filters below to find and compare flights from Seattle to Saint Lucia that are best for you.

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Price

Cheapest round-trip

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Sun 12/6

3:15 pm-4:40 pm

2 stops21h 25m

Castries Hewanorra

Thu 12/10

5:35 pm-6:22 pm

2 stops28h 47m

$792

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Sun 12/6

7:45 am-4:40 pm

1 stop28h 55m

Castries Hewanorra

Thu 12/10

5:35 pm-8:59 pm

1 stop31h 24m

$792

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Thu 12/3

7:45 am-4:40 pm

1 stop28h 55m

Castries Hewanorra

Fri 12/11

5:35 pm-8:59 pm

1 stop31h 24m

$792

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Sun 12/6

7:45 am-4:40 pm

1 stop28h 55m

Castries Hewanorra

Thu 12/10

5:35 pm-2:37 pm

2 stops25h 02m

$792

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Thu 12/3

7:05 pm-4:40 pm

2 stops17h 35m

Castries Hewanorra

Fri 12/11

5:35 pm-8:59 pm

1 stop31h 24m

$792

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Sun 12/6

7:45 am-4:40 pm

1 stop28h 55m

Castries Hewanorra

Thu 12/10

5:35 pm-2:37 pm

2 stops25h 02m

$799

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Sun 12/6

3:15 pm-4:40 pm

2 stops21h 25m

Castries Hewanorra

Thu 12/10

5:35 pm-6:22 pm

2 stops28h 47m

$799
Quickest round-trip

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Tue 2/23

10:11 pm-2:58 pm

1 stop12h 47m

Castries Hewanorra

Tue 3/9

3:42 pm-12:30 am

1 stop12h 48m

$851

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Tue 2/23

9:14 pm-3:57 pm

1 stop14h 43m

Castries Hewanorra

Tue 3/9

4:57 pm-9:37 am

2 stops20h 40m

$855

SeattleCastries

SEA Seattle/Tacoma Intl - UVF Castries Hewanorra

SEAUVF

Seattle/Tacoma Intl

Tue 5/4

6:19 pm-2:23 pm

2 stops17h 04m

Castries Hewanorra

Tue 5/18

3:28 pm-10:41 am

2 stops22h 13m

$855

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from Seattle to Saint Lucia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Lucia?

The month of August is, on average, the cheapest month to fly to Saint Lucia from Seattle, with most prices found around $0. If you aren’t able to travel to Saint Lucia during the month of August, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $752.

Cheap Seattle to Saint Lucia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Saint Lucia

Best Price Found

$358

Fastest flight time

17h 35m

Direct flights

None
The best one-way flight to Saint Lucia from Seattle in the past 72 hours is $358. The best round-trip flight deal from Seattle to Saint Lucia found on momondo in the last 72 hours is $792.
The fastest flight from Seattle to Saint Lucia takes 17h 35m
There are no direct flights from Seattle to Saint Lucia. There are no popular flight routes from Seattle to Saint Lucia.
Search flight deals

Frequently asked questions about flying from Seattle to Saint Lucia

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Saint Lucia?

    Prices for flights from Seattle/Tacoma Intl Airport to Saint Lucia are refreshed on a daily basis.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Saint Lucia?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Saint Lucia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Saint Lucia.

  • What documentation or ID do you need to fly to Saint Lucia?

    The travel and health documents you'll need for your trip to Saint Lucia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Lucia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Seattle to Saint Lucia

Compare and see reviews for airlines that fly from Seattle to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $752Free CancellationRating
7.0
12,232 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Saint Lucia?

It is quick and easy to find Seattle to Saint Lucia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Lucia that suits you.

Can I find flights from Seattle to Saint Lucia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Seattle to Saint Lucia flights to just show those with flexible booking policies.

How can momondo help me find flights from Seattle to Saint Lucia?

momondo provides multiple filters to help you find the best flight to Saint Lucia from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Seattle to Saint Lucia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Saint Lucia from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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