Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to Castries from $605

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Castries departing on 2/7. 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

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Portland, Maine to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:58 pm - 1:46 pm
PWM
-
UVF
20h 48m2 stops
American Airlines Logo
4:25 pm - 11:47 am
UVF
-
PWM
20h 22m2 stops
$605American Airlines
Sat, Feb 7 - Sat, Feb 14
American Airlines Logo
3:58 pm - 3:03 pm
PWM
-
UVF
22h 05m2 stops
American Airlines Logo
5:02 pm - 10:54 pm
UVF
-
PWM
30h 52m2 stops
$610American Airlines
Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
7:00 am - 3:03 pm
PWM
-
UVF
31h 03m1 stop
American Airlines Logo
5:02 pm - 12:06 pm
UVF
-
PWM
20h 04m2 stops
$620American Airlines
Tue, Jan 27 - Tue, Feb 3
American Airlines Logo
3:58 pm - 1:46 pm
PWM
-
UVF
20h 48m2 stops
American Airlines Logo
5:02 pm - 12:05 pm
UVF
-
PWM
20h 03m2 stops
$695American Airlines
Sun, Jan 11 - Sun, Jan 18
American Airlines Logo
7:00 am - 3:03 pm
PWM
-
UVF
31h 03m1 stop
American Airlines Logo
2:46 pm - 12:05 pm
UVF
-
PWM
22h 19m2 stops
$705American Airlines
Sun, Jan 11 - Sun, Jan 18
Delta Logo
5:45 am - 3:33 pm
PWM
-
UVF
8h 48m1 stop
Delta Logo
4:50 pm - 12:16 pm
UVF
-
PWM
20h 26m2 stops
$1,761Delta
Sat, Dec 27 - Thu, Jan 1
American Airlines Logo
12:37 pm - 1:04 pm
PWM
-
UVF
23h 27m2 stops
American Airlines Logo
4:54 pm - 11:49 am
UVF
-
PWM
19h 55m2 stops
$1,840American Airlines
Sat, Dec 27 - Thu, Jan 1
American Airlines Logo
12:21 pm - 1:04 pm
PWM
-
UVF
23h 43m2 stops
American Airlines Logo
4:54 pm - 11:49 am
UVF
-
PWM
19h 55m2 stops
$2,001American Airlines
Sat, Dec 27 - Thu, Jan 1
Air Canada Logo
6:00 am - 4:25 pm
PWM
-
UVF
33h 25m2 stops
Air Canada Logo
5:15 pm - 11:20 pm
UVF
-
PWM
31h 05m2 stops
$3,050Air Canada
Sun, Feb 8 - Wed, Feb 11

American Airlines flights from Portland, Maine to Castries

Our best American Airlines deals on Portland, Maine to Castries flight tickets
American Airlines
Feb 7
PWM3:58 pmPortland
20h 48m
2 stops
UVF1:46 pmCastries Hewanorra
Feb 14
UVF4:25 pmCastries Hewanorra
20h 22m
2 stops
PWM11:47 amPortland
$605
Find similar
American Airlines
Jan 27
PWM3:58 pmPortland
22h 05m
2 stops
UVF3:03 pmCastries Hewanorra
Feb 3
UVF5:02 pmCastries Hewanorra
30h 52m
2 stops
PWM10:54 pmPortland
$610
Find similar
American Airlines
Jan 27
PWM7:00 amPortland
31h 03m
1 stop
UVF3:03 pmCastries Hewanorra
Feb 3
UVF5:02 pmCastries Hewanorra
20h 04m
2 stops
PWM12:06 pmPortland
$620
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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 December 14, 2025.
Use the filters below to find and compare flights from Portland, Maine to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 2/7

3:58 pm-1:46 pm

2 stops20h 48m

Castries Hewanorra

Sat 2/14

4:25 pm-11:47 am

2 stops20h 22m

$605

PortlandCastries

PWM - UVF

PWMUVF

Portland

Tue 1/27

3:58 pm-3:03 pm

2 stops22h 05m

Castries Hewanorra

Tue 2/3

5:02 pm-10:54 pm

2 stops30h 52m

$610

PortlandCastries

PWM - UVF

PWMUVF

Portland

Tue 1/27

7:00 am-3:03 pm

1 stop31h 03m

Castries Hewanorra

Tue 2/3

5:02 pm-12:06 pm

2 stops20h 04m

$620

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sun 1/11

3:58 pm-1:46 pm

2 stops20h 48m

Castries Hewanorra

Sun 1/18

5:02 pm-12:05 pm

2 stops20h 03m

$695

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sun 1/11

7:00 am-3:03 pm

1 stop31h 03m

Castries Hewanorra

Sun 1/18

2:46 pm-12:05 pm

2 stops22h 19m

$705

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 12/27

5:45 am-3:33 pm

1 stop8h 48m

Castries Hewanorra

Thu 1/1

4:50 pm-12:16 pm

2 stops20h 26m

$1,761

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 12/27

12:37 pm-1:04 pm

2 stops23h 27m

Castries Hewanorra

Thu 1/1

4:54 pm-11:49 am

2 stops19h 55m

$1,840

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 12/27

12:21 pm-1:04 pm

2 stops23h 43m

Castries Hewanorra

Thu 1/1

4:54 pm-11:49 am

2 stops19h 55m

$2,001

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sun 2/8

6:00 am-4:25 pm

2 stops33h 25m

Castries Hewanorra

Wed 2/11

5:15 pm-11:20 pm

2 stops31h 05m

$3,050

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Castries from

How to get the cheapest flight ticket from Portland, Maine 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 day to depart on your flight to Castries?

The cheapest day to depart from Portland, Maine to Castries is on a Thursday when prices can be found for as low as $388. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $902. These prices are subject to change though, so be sure to set up a Price Alert for flights to Castries.

What is the cheapest time of day to depart on your flight to Castries?

According to our data, the cheapest time of day to fly to Castries is in the afternoon. momondo users have found flights departing from Portland, Maine to Castries in the afternoon for as low as $607. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Castries are more costly in the morning, with an average ticket price of $707. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

When to book flights from Portland, Maine to Castries

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Castries according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Castries (PWM to UVF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Castries

Fastest flight time

8h 35m

Direct flights

None
The fastest flight from Portland, Maine to Castries takes 8h 35m
There are no direct flights from Portland, Maine to Castries. There are no popular flight routes from Portland, Maine to Castries.
Search flight deals

  • How far is Portland to Castries Hewanorra by plane?

    Castries Hewanorra is 2119.4 mi away from Portland. In terms of flight time, this usually takes a little over 8h 35m.

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

    Prices for flights from Portland Airport to Castries Hewanorra Airport are refreshed on a daily basis.

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Portland Airport to Castries Hewanorra Airport.

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

    The necessary travel and health documents for your Castries Hewanorra Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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 Portland to Castries?

Finding the right flight to Castries from Portland is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Castries quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Portland to Castries flights to just show those with flexible booking policies.

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

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

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

Yes momondo offers price alerts on flights to Castries from Portland. 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.

An easier way to manage your Castries trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/13
Tue 1/20
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport