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Cheap flights from Washington to Castries from $280

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 Castries departing on 5/24. 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 Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
7:45 pm - 2:20 pm
PDX
-
UVF
39h 35m
2 stops
Air Canada Logo
3:05 pm - 9:31 am
UVF
-
PDX
21h 26m
2 stops
$720Air Canada
Wed, Jul 8 - Fri, Jul 17
Air Canada Logo
8:00 am - 2:20 pm
SEA
-
UVF
27h 20m
1 stop
Air Canada Logo
3:05 pm - 9:07 pm
UVF
-
SEA
33h 02m
1 stop
$720Air Canada
Thu, Aug 6 - Tue, Aug 11
Air Canada Logo
7:45 pm - 2:20 pm
PDX
-
UVF
39h 35m
2 stops
Air Canada Logo
3:05 pm - 9:31 am
UVF
-
PDX
21h 26m
2 stops
$738Air Canada
Wed, Jul 8 - Fri, Jul 17
JetBlue Logo
11:52 pm - 3:35 pm
SEA
-
UVF
12h 43m
1 stop
JetBlue Logo
2:10 pm - 8:40 pm
UVF
-
SEA
33h 30m
1 stop
$785JetBlue
Fri, Jun 5 - Wed, Jun 10
JetBlue Logo
11:52 pm - 3:35 pm
SEA
-
UVF
12h 43m
1 stop
JetBlue Logo
2:10 pm - 8:40 pm
UVF
-
SEA
33h 30m
1 stop
$804JetBlue
Fri, Jun 5 - Wed, Jun 10
American Airlines Logo
10:08 pm - 3:50 pm
SEA
-
UVF
13h 42m
1 stop
American Airlines Logo
2:28 pm - 11:40 pm
UVF
-
SEA
13h 12m
1 stop
$817American Airlines
Sun, Nov 8 - Thu, Nov 19
American Airlines Logo
3:00 pm - 2:04 pm
PDX
-
UVF
20h 04m
2 stops
American Airlines Logo
3:04 pm - 10:51 am
UVF
-
PDX
22h 47m
2 stops
$833American Airlines
Mon, Aug 17 - Fri, Aug 21
Delta Logo
5:37 pm - 2:14 pm
PDX
-
UVF
17h 37m
2 stops
Delta Logo
3:34 pm - 9:52 am
UVF
-
PDX
21h 18m
2 stops
$843Delta
Sat, Aug 15 - Sun, Aug 23
Multiple Airlines Logo
2:30 pm - 2:20 pm
PDX
-
UVF
20h 50m
3 stops
Multiple Airlines Logo
3:15 pm - 9:31 am
UVF
-
PDX
45h 16m
2 stops
$882Multiple Airlines
Mon, Aug 17 - Fri, Aug 21
Delta Logo
3:55 pm - 3:26 pm
SEA
-
UVF
19h 31m
1 stop
Delta Logo
4:25 pm - 10:26 am
UVF
-
SEA
22h 01m
1 stop
$949Delta
Sat, Nov 7 - Tue, Nov 17

Air Canada flights from State of Washington to Castries

Our best Air Canada deals on State of Washington to Castries flight tickets
Air Canada
Jul 8
PDX7:45 pmPortland
39h 35m
2 stops
UVF2:20 pmCastries Hewanorra
Jul 17
UVF3:05 pmCastries Hewanorra
21h 26m
2 stops
PDX9:31 amPortland
$720
Air Canada
Jul 8
PDX7:45 pmPortland
39h 35m
2 stops
UVF2:20 pmCastries Hewanorra
Jul 17
UVF3:05 pmCastries Hewanorra
21h 26m
2 stops
PDX9:31 amPortland
$738
Air Canada
Jul 8
PDX7:45 pmPortland
39h 35m
2 stops
UVF2:20 pmCastries Hewanorra
Jul 17
UVF3:05 pmCastries Hewanorra
21h 26m
2 stops
PDX9:31 amPortland
$770

American Airlines flights from State of Washington to Castries

Our best American Airlines deals on State of Washington to Castries flight tickets
American Airlines
Nov 8
SEA10:08 pmSeattle/Tacoma Intl
13h 42m
1 stop
UVF3:50 pmCastries Hewanorra
Nov 19
UVF2:28 pmCastries Hewanorra
13h 12m
1 stop
SEA11:40 pmSeattle/Tacoma Intl
$817
American Airlines
Aug 17
PDX3:00 pmPortland
20h 04m
2 stops
UVF2:04 pmCastries Hewanorra
Aug 21
UVF3:04 pmCastries Hewanorra
22h 47m
2 stops
PDX10:51 amPortland
$833
American Airlines
Aug 17
PDX3:00 pmPortland
20h 04m
2 stops
UVF2:04 pmCastries Hewanorra
Aug 21
UVF3:14 pmCastries Hewanorra
32h 12m
1 stop
PDX8:26 pmPortland
$851

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington to Castries 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 May 12, 2026.
Use the filters below to find and compare flights from Washington to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

PortlandCastries

PDX - UVF

PDXUVF

Portland

Wed 7/8

7:45 pm-2:20 pm

2 stops39h 35m

Castries Hewanorra

Fri 7/17

3:05 pm-9:31 am

2 stops21h 26m

$720

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Thu 8/6

8:00 am-2:20 pm

1 stop27h 20m

Castries Hewanorra

Tue 8/11

3:05 pm-9:07 pm

1 stop33h 02m

$720

PortlandCastries

PDX - UVF

PDXUVF

Portland

Wed 7/8

7:45 pm-2:20 pm

2 stops39h 35m

Castries Hewanorra

Fri 7/17

3:05 pm-9:31 am

2 stops21h 26m

$738

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 6/5

11:52 pm-3:35 pm

1 stop12h 43m

Castries Hewanorra

Wed 6/10

2:10 pm-8:40 pm

1 stop33h 30m

$785

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Fri 6/5

11:52 pm-3:35 pm

1 stop12h 43m

Castries Hewanorra

Wed 6/10

2:10 pm-8:40 pm

1 stop33h 30m

$804
Quickest round-trip

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sun 11/8

10:08 pm-3:50 pm

1 stop13h 42m

Castries Hewanorra

Thu 11/19

2:28 pm-11:40 pm

1 stop13h 12m

$817

PortlandCastries

PDX - UVF

PDXUVF

Portland

Mon 8/17

3:00 pm-2:04 pm

2 stops20h 04m

Castries Hewanorra

Fri 8/21

3:04 pm-10:51 am

2 stops22h 47m

$833

PortlandCastries

PDX - UVF

PDXUVF

Portland

Sat 8/15

5:37 pm-2:14 pm

2 stops17h 37m

Castries Hewanorra

Sun 8/23

3:34 pm-9:52 am

2 stops21h 18m

$843

PortlandCastries

PDX - UVF

PDXUVF

Portland

Mon 8/17

2:30 pm-2:20 pm

3 stops20h 50m

Castries Hewanorra

Fri 8/21

3:15 pm-9:31 am

2 stops45h 16m

$882

SeattleCastries

SEA - UVF

SEAUVF

Seattle/Tacoma Intl

Sat 11/7

3:55 pm-3:26 pm

1 stop19h 31m

Castries Hewanorra

Tue 11/17

4:25 pm-10:26 am

1 stop22h 01m

$949

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 Castries from

How to get the cheapest flight ticket from State of Washington to Castries

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 Castries?

The month of July is, on average, the cheapest month to fly to Castries from State of Washington, with most prices found around $0. The month of February is another great option to travel to Castries, with average flight prices from State of Washington averaging around $0.

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

You could potentially save up to 25% on your flight if you consider stops on a State of Washington to Castries flight.

Cheap State of Washington to Castries flight deals and tips

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

Fastest flight time

12h 43m

Direct flights

None
The fastest flight from State of Washington to Castries takes 12h 43m
There are no direct flights from State of Washington to Castries. There are no popular flight routes from State of Washington to Castries.
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Frequently asked questions about flying from Washington to Castries

  • When did momondo last update prices for flights from Washington to Castries Hewanorra Airport?

    Prices for flights from Washington to Castries Hewanorra Airport were last updated today.

  • How many operators does momondo search for flights from Washington to Castries Hewanorra Airport?

  • How old do you have to be to fly from Washington to Castries Hewanorra Airport?

    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 Washington to Castries Hewanorra Airport.

  • What documentation or ID do you need to fly to Castries Hewanorra Airport?

    The travel and health documents you'll need for your trip to Castries Hewanorra Airport 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 Castries Hewanorra Airport. 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 Castries

Compare and see reviews for airlines that fly from State of Washington to Castries with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $264Free CancellationRating
7.9
8,446 reviews
Search Delta flights
American AirlinesPriceFrom $752Free CancellationRating
7.1
11,661 reviews
Search American Airlines flights

Traveling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Vieux Fort

Why use momondo?

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

It is quick and easy to find Washington to Castries 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 Castries that suits you.

Can I find flights from Washington to Castries with flexible booking policies on momondo?

Flights from Washington to Castries with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Washington to Castries?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Castries from Washington.

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

Yes momondo offers price alerts on flights to Castries from Washington. 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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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport