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Cheap flights from Washington to Saint Lucia from $274

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Saint Lucia departing on 2/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Washington to Saint Lucia

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
10:11 pm - 4:00 pm
SEA
-
UVF
13h 49m1 stop
American Airlines Logo
3:18 pm - 11:27 am
UVF
-
SEA
23h 09m1 stop
$491American Airlines
Thu, Mar 5 - Mon, Mar 16
American Airlines Logo
11:11 pm - 4:02 pm
SEA
-
UVF
12h 51m1 stop
American Airlines Logo
2:46 pm - 9:37 am
UVF
-
SEA
22h 51m2 stops
$496American Airlines
Sun, Jan 18 - Thu, Jan 29
Air Canada Logo
5:50 am - 4:20 pm
SEA
-
UVF
30h 30m2 stops
Air Canada Logo
5:15 pm - 10:16 pm
UVF
-
SEA
33h 01m1 stop
$575Air Canada
Tue, Jan 27 - Mon, Feb 2
Air Canada Logo
10:10 am - 3:20 pm
SEA
-
UVF
26h 10m2 stops
Air Canada Logo
4:20 pm - 9:51 pm
UVF
-
SEA
32h 31m1 stop
$591Air Canada
Sun, Apr 19 - Sun, Apr 26
Air Canada Logo
8:00 am - 3:20 pm
SEA
-
UVF
28h 20m1 stop
Air Canada Logo
4:20 pm - 9:51 pm
UVF
-
SEA
32h 31m1 stop
$604Air Canada
Sat, Apr 25 - Wed, Apr 29
Air Canada Logo
8:00 pm - 3:25 pm
SEA
-
UVF
40h 25m2 stops
Air Canada Logo
4:20 pm - 7:18 pm
UVF
-
SEA
29h 58m2 stops
$609Air Canada
Mon, Mar 23 - Mon, Mar 30
Delta Logo
5:00 am - 3:05 pm
GEG
-
UVF
30h 05m2 stops
Delta Logo
4:25 pm - 1:08 pm
UVF
-
GEG
24h 43m2 stops
$722Delta
Sun, Feb 22 - Thu, Mar 5
Delta Logo
2:05 pm - 3:05 pm
GEG
-
UVF
21h 00m2 stops
Delta Logo
4:25 pm - 1:08 pm
UVF
-
GEG
24h 43m2 stops
$737Delta
Thu, Feb 26 - Tue, Mar 3
Multiple Airlines Logo
3:40 pm - 7:00 pm
SEA
-
SLU
23h 20m3 stops
Multiple Airlines Logo
10:15 am - 2:31 pm
SLU
-
SEA
32h 16m3 stops
$1,406Multiple Airlines
Wed, Dec 31 - Wed, Jan 7
Multiple Airlines Logo
8:10 am - 7:00 pm
SEA
-
SLU
30h 50m2 stops
Multiple Airlines Logo
10:15 am - 2:31 pm
SLU
-
SEA
32h 16m3 stops
$1,409Multiple Airlines
Wed, Dec 31 - Wed, Jan 7

American Airlines flights from State of Washington to Saint Lucia

Our best American Airlines deals on State of Washington to Saint Lucia flight tickets
American Airlines
Jan 18
SEA11:11 pmSeattle/Tacoma Intl
12h 51m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 29
UVF2:46 pmCastries Hewanorra
12h 56m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$491
Find similar
American Airlines
Jan 18
SEA11:11 pmSeattle/Tacoma Intl
12h 51m
1 stop
UVF4:02 pmCastries Hewanorra
Jan 29
UVF5:02 pmCastries Hewanorra
21h 59m
2 stops
SEA11:01 amSeattle/Tacoma Intl
$496
Find similar
American Airlines
Mar 23
SEA10:16 pmSeattle/Tacoma Intl
13h 42m
1 stop
UVF2:58 pmCastries Hewanorra
Mar 30
UVF3:18 pmCastries Hewanorra
23h 09m
1 stop
SEA11:27 amSeattle/Tacoma Intl
$642
Find similar

Delta flights from State of Washington to Saint Lucia

Our best Delta deals on State of Washington to Saint Lucia flight tickets
Delta
Apr 24
SEA4:05 pmSeattle/Tacoma Intl
19h 03m
1 stop
UVF2:08 pmCastries Hewanorra
Apr 30
UVF3:20 pmCastries Hewanorra
21h 39m
1 stop
SEA9:59 amSeattle/Tacoma Intl
$703
Find similar
Delta
Feb 22
GEG5:00 amSpokane
30h 05m
2 stops
UVF3:05 pmCastries Hewanorra
Mar 5
UVF4:25 pmCastries Hewanorra
24h 43m
2 stops
GEG1:08 pmSpokane
$722
Find similar
Delta
Feb 26
GEG2:05 pmSpokane
21h 00m
2 stops
UVF3:05 pmCastries Hewanorra
Mar 3
UVF4:25 pmCastries Hewanorra
24h 43m
2 stops
GEG1:08 pmSpokane
$737
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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, momondo users made 832,500 searches. Data last updated December 26, 2025.
Use the filters below to find and compare flights from Washington to Saint Lucia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Thu 3/5

10:11 pm-4:00 pm

1 stop13h 49m

Castries Hewanorra

Mon 3/16

3:18 pm-11:27 am

1 stop23h 09m

$491

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 1/18

11:11 pm-4:02 pm

1 stop12h 51m

Castries Hewanorra

Thu 1/29

2:46 pm-9:37 am

2 stops22h 51m

$496

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Tue 1/27

5:50 am-4:20 pm

2 stops30h 30m

Castries Hewanorra

Mon 2/2

5:15 pm-10:16 pm

1 stop33h 01m

$575

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 4/19

10:10 am-3:20 pm

2 stops26h 10m

Castries Hewanorra

Sun 4/26

4:20 pm-9:51 pm

1 stop32h 31m

$591

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 4/25

8:00 am-3:20 pm

1 stop28h 20m

Castries Hewanorra

Wed 4/29

4:20 pm-9:51 pm

1 stop32h 31m

$604

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Mon 3/23

8:00 pm-3:25 pm

2 stops40h 25m

Castries Hewanorra

Mon 3/30

4:20 pm-7:18 pm

2 stops29h 58m

$609

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Sun 2/22

5:00 am-3:05 pm

2 stops30h 05m

Castries Hewanorra

Thu 3/5

4:25 pm-1:08 pm

2 stops24h 43m

$722

SpokaneCastries

GEG - UVF

GEGUVF

Spokane

Thu 2/26

2:05 pm-3:05 pm

2 stops21h 00m

Castries Hewanorra

Tue 3/3

4:25 pm-1:08 pm

2 stops24h 43m

$737

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Wed 12/31

3:40 pm-7:00 pm

3 stops23h 20m

Castries George F. L. Charle

Wed 1/7

10:15 am-2:31 pm

3 stops32h 16m

$1,406

SeattleCastries

SEA - SLU

SEASLU

Seattle/Tacoma Intl

Wed 12/31

8:10 am-7:00 pm

2 stops30h 50m

Castries George F. L. Charle

Wed 1/7

10:15 am-2:31 pm

3 stops32h 16m

$1,409

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Saint Lucia from

How to get the cheapest flight ticket from State of Washington 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 day to depart on your flight to Saint Lucia?

Our data shows that Tuesday is the least expensive day to fly to Saint Lucia. Tickets to fly out on this day can be as low as $590. On the other hand, Sunday is the most expensive day to depart from State of Washington because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $924.

Can stopping save me money on State of Washington to Saint Lucia flights?

You could potentially save up to 69% on your flight if you consider stops on a State of Washington to Saint Lucia flight.

Cheap State of Washington to Saint Lucia flight deals and tips

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

Fastest flight time

11h 55m

Direct flights

None
The fastest flight from State of Washington to Saint Lucia takes 11h 55m
There are no direct flights from State of Washington to Saint Lucia. There are no popular flight routes from State of Washington to Saint Lucia.
Search flight deals

  • When did momondo last update prices for flights from Washington to Saint Lucia?

    Prices for flights from Washington to Saint Lucia were last updated today.

  • How many operators does momondo search for flights from Washington to Saint Lucia?

  • How old do you have to be to fly from Washington to Saint Lucia?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington 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 State of Washington to Saint Lucia

Compare and see reviews for airlines that fly from State of Washington to Saint Lucia with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $615Free CancellationRating
7.2
11,067 reviews
Search American Airlines flights

Why use momondo?

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

It is quick and easy to find Washington 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 Washington to Saint Lucia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Saint Lucia from Washington which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington to Saint Lucia.

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

Price alerts on flights to Saint Lucia from Washington are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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