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Cheap flights from Portland, Maine to Castries from $599

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 2/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Portland, Maine to Castries

Cheap round-trip flights

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American Airlines Logo
5:08 pm - 3:03 pmPWM-UVF
20h 55m2 stops
American Airlines Logo
3:17 pm - 10:32 pmUVF-PWM
8h 15m1 stop
$599American Airlines
Find Deal
Sun, Feb 8 - Sat, Feb 14
American Airlines Logo
5:08 pm - 1:47 pmPWM-UVF
19h 39m2 stops
American Airlines Logo
3:35 pm - 11:39 amUVF-PWM
21h 04m2 stops
$602American Airlines
Find Deal
Sun, Feb 8 - Sat, Feb 14
Delta Logo
5:00 pm - 2:04 pmPWM-UVF
21h 04m2 stops
Delta Logo
3:24 pm - 11:05 pmUVF-PWM
31h 41m2 stops
$604Delta
Find Deal
Mon, Mar 30 - Wed, Apr 1
American Airlines Logo
5:20 pm - 1:15 pmPWM-UVF
19h 55m2 stops
American Airlines Logo
3:35 pm - 12:00 pmUVF-PWM
20h 25m2 stops
$682American Airlines
Find Deal
Mon, Apr 6 - Mon, Apr 13
American Airlines Logo
7:00 am - 3:03 pmPWM-UVF
31h 03m1 stop
American Airlines Logo
3:17 pm - 10:32 pmUVF-PWM
8h 15m1 stop
$690American Airlines
Find Deal
Sun, Feb 8 - Sat, Feb 14
American Airlines Logo
5:20 pm - 1:15 pmPWM-UVF
19h 55m2 stops
American Airlines Logo
4:05 pm - 10:25 pmUVF-PWM
30h 20m1 stop
$745American Airlines
Find Deal
Mon, Apr 6 - Mon, Apr 13
Delta Logo
5:30 am - 2:04 pmPWM-UVF
8h 34m1 stop
Delta Logo
3:24 pm - 9:59 pmUVF-PWM
30h 35m1 stop
$815Delta
Find Deal
Mon, Mar 30 - Wed, Apr 1
American Airlines Logo
7:50 am - 1:15 pmPWM-UVF
29h 25m1 stop
American Airlines Logo
4:05 pm - 10:25 pmUVF-PWM
30h 20m1 stop
$888American Airlines
Find Deal
Mon, Apr 6 - Mon, Apr 13
American Airlines Logo
6:41 pm - 3:54 pmPWM-UVF
20h 13m2 stops
American Airlines Logo
4:54 pm - 12:11 pmUVF-PWM
20h 17m2 stops
$1,239American Airlines
Find Deal
Sat, Dec 27 - Thu, Jan 1
American Airlines Logo
5:15 pm - 2:15 pmPWM-UVF
20h 00m2 stops
American Airlines Logo
4:45 pm - 12:09 pmUVF-PWM
20h 24m2 stops
$1,346American Airlines
Find Deal
Sat, Feb 14 - Fri, Feb 20

American Airlines flights from Portland, Maine to Castries

Our best American Airlines deals on Portland, Maine to Castries flight tickets
American Airlines
Feb 8
PWM5:08 pmPortland
20h 55m
2 stops
UVF3:03 pmCastries Hewanorra
Feb 14
UVF3:17 pmCastries Hewanorra
8h 15m
1 stop
PWM10:32 pmPortland
$599
Find similar
American Airlines
Feb 8
PWM5:08 pmPortland
19h 39m
2 stops
UVF1:47 pmCastries Hewanorra
Feb 14
UVF3:35 pmCastries Hewanorra
21h 04m
2 stops
PWM11:39 amPortland
$602
Find similar
American Airlines
Apr 6
PWM5:20 pmPortland
19h 55m
2 stops
UVF1:15 pmCastries Hewanorra
Apr 13
UVF3:35 pmCastries Hewanorra
20h 25m
2 stops
PWM12:00 pmPortland
$682
Find similar

Delta flights from Portland, Maine to Castries

Our best Delta deals on Portland, Maine to Castries flight tickets
Delta
Mar 30
PWM2:35 pmPortland
23h 29m
2 stops
UVF2:04 pmCastries Hewanorra
Apr 1
UVF3:24 pmCastries Hewanorra
24h 51m
2 stops
PWM4:15 pmPortland
$604
Find similar
Delta
Mar 30
PWM5:30 amPortland
8h 34m
1 stop
UVF2:04 pmCastries Hewanorra
Apr 1
UVF3:24 pmCastries Hewanorra
30h 35m
1 stop
PWM9:59 pmPortland
$815
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 October 12, 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

Sun 2/8

5:08 pm-3:03 pm

2 stops20h 55m

Castries Hewanorra

Sat 2/14

3:17 pm-10:32 pm

1 stop8h 15m

$599

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sun 2/8

5:08 pm-1:47 pm

2 stops19h 39m

Castries Hewanorra

Sat 2/14

3:35 pm-11:39 am

2 stops21h 04m

$602

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 3/30

5:00 pm-2:04 pm

2 stops21h 04m

Castries Hewanorra

Wed 4/1

3:24 pm-11:05 pm

2 stops31h 41m

$604

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 4/6

5:20 pm-1:15 pm

2 stops19h 55m

Castries Hewanorra

Mon 4/13

3:35 pm-12:00 pm

2 stops20h 25m

$682

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sun 2/8

7:00 am-3:03 pm

1 stop31h 03m

Castries Hewanorra

Sat 2/14

3:17 pm-10:32 pm

1 stop8h 15m

$690

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 4/6

5:20 pm-1:15 pm

2 stops19h 55m

Castries Hewanorra

Mon 4/13

4:05 pm-10:25 pm

1 stop30h 20m

$745

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 3/30

5:30 am-2:04 pm

1 stop8h 34m

Castries Hewanorra

Wed 4/1

3:24 pm-9:59 pm

1 stop30h 35m

$815

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 4/6

7:50 am-1:15 pm

1 stop29h 25m

Castries Hewanorra

Mon 4/13

4:05 pm-10:25 pm

1 stop30h 20m

$888

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 12/27

6:41 pm-3:54 pm

2 stops20h 13m

Castries Hewanorra

Thu 1/1

4:54 pm-12:11 pm

2 stops20h 17m

$1,239

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 2/14

5:15 pm-2:15 pm

2 stops20h 00m

Castries Hewanorra

Fri 2/20

4:45 pm-12:09 pm

2 stops20h 24m

$1,346

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 $461. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $748. 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 morning. momondo users have found flights departing from Portland, Maine to Castries in the morning for as low as $589. 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 at noon, with an average ticket price of $621. Departure times at noon 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

Direct flights

None
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 7h 22m.

  • 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

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport