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Cheap flights from Portland, Maine to Castries from $247

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Portland, Maine to Castries departing on 9/3. 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
1 adult, Economy, 0 bags

Find the cheapest flights from Portland, Maine to Castries

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
6:00 am - 3:12 pmPWM  Portland-UVF Castries Hewanorra
9h 12m1 stop New York John F Kennedy Intl
JetBlue Logo
4:17 pm - 12:25 amUVF  Castries Hewanorra-PWM Portland
8h 08m1 stop New York John F Kennedy Intl
$594JetBlue
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
3:56 pm - 1:47 pmPWM  Portland-UVF Castries Hewanorra
20h 51m2 stops Philadelphia Miami
American Airlines Logo
3:06 pm - 10:54 pmUVF  Castries Hewanorra-PWM Portland
8h 48m1 stop Philadelphia
$715American Airlines
Sat, Jan 23 - Sat, Jan 30
American Airlines Logo
3:56 pm - 1:47 pmPWM  Portland-UVF Castries Hewanorra
20h 51m2 stops Philadelphia Miami
American Airlines Logo
5:02 pm - 12:06 pmUVF  Castries Hewanorra-PWM Portland
20h 04m2 stops Miami Washington, D.C. Reagan-National
$715American Airlines
Sat, Jan 23 - Sat, Jan 30
American Airlines Logo
7:00 am - 3:03 pmPWM  Portland-UVF Castries Hewanorra
31h 03m1 stop Charlotte Douglas
American Airlines Logo
3:06 pm - 10:54 pmUVF  Castries Hewanorra-PWM Portland
8h 48m1 stop Philadelphia
$721American Airlines
Sat, Jan 23 - Sat, Jan 30
JetBlue Logo
6:00 am - 3:12 pmPWM  Portland-UVF Castries Hewanorra
9h 12m1 stop New York John F Kennedy Intl
JetBlue Logo
4:17 pm - 12:25 amUVF  Castries Hewanorra-PWM Portland
8h 08m1 stop New York John F Kennedy Intl
$859JetBlue
Mon, Aug 31 - Fri, Sep 4
JetBlue Logo
6:00 am - 3:12 pmPWM  Portland-UVF Castries Hewanorra
9h 12m1 stop New York John F Kennedy Intl
JetBlue Logo
4:17 pm - 12:25 amUVF  Castries Hewanorra-PWM Portland
8h 08m1 stop New York John F Kennedy Intl
$879JetBlue
Mon, Aug 31 - Fri, Sep 4
American Airlines Logo
6:47 pm - 1:29 pmPWM  Portland-UVF Castries Hewanorra
17h 42m2 stops Philadelphia Miami
American Airlines Logo
2:38 pm - 10:38 amUVF  Castries Hewanorra-PWM Portland
21h 00m2 stops Miami Philadelphia
$1,220American Airlines
Fri, Nov 20 - Fri, Nov 27
American Airlines Logo
5:45 am - 3:07 pmPWM  Portland-UVF Castries Hewanorra
8h 22m1 stop Charlotte Douglas
American Airlines Logo
4:07 pm - 9:51 amUVF  Castries Hewanorra-PWM Portland
18h 44m2 stops Charlotte Douglas Washington, D.C. Reagan-National
$1,220American Airlines
Fri, Nov 20 - Fri, Nov 27
American Airlines Logo
12:48 pm - 1:29 pmPWM  Portland-UVF Castries Hewanorra
23h 41m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
2:38 pm - 10:38 amUVF  Castries Hewanorra-PWM Portland
21h 00m2 stops Miami Philadelphia
$1,229American Airlines
Sun, Nov 22 - Fri, Nov 27
Air Canada Logo
6:00 am - 2:20 pmPWM  Portland-UVF Castries Hewanorra
32h 20m2 stops Newark Toronto Pearson Intl
Air Canada Logo
3:15 pm - 11:32 pmUVF  Castries Hewanorra-PWM Portland
32h 17m2 stops Toronto Pearson Intl Newark
$1,277Air Canada
Mon, Aug 31 - Fri, Sep 4

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American Airlines flights from Portland, Maine to Castries

Our best American Airlines deals on Portland, Maine to Castries flight tickets
American Airlines
Jan 23
PWM3:56 pmPortland
20h 51m
2 stops
UVF1:47 pmCastries Hewanorra
Jan 30
UVF3:06 pmCastries Hewanorra
8h 48m
1 stop
PWM10:54 pmPortland
$715
American Airlines
Jan 23
PWM7:00 amPortland
31h 03m
1 stop
UVF3:03 pmCastries Hewanorra
Jan 30
UVF3:06 pmCastries Hewanorra
8h 48m
1 stop
PWM10:54 pmPortland
$721
American Airlines
Nov 20
PWM5:45 amPortland
8h 22m
1 stop
UVF3:07 pmCastries Hewanorra
Nov 27
UVF4:07 pmCastries Hewanorra
18h 44m
2 stops
PWM9:51 amPortland
$1,220

Delta flights from Portland, Maine to Castries

Our best Delta deals on Portland, Maine to Castries flight tickets
Delta
Nov 22
PWM6:00 amPortland
8h 10m
1 stop
UVF3:10 pmCastries Hewanorra
Nov 29
UVF4:25 pmCastries Hewanorra
25h 20m
2 stops
PWM4:45 pmPortland
$1,886
Delta
Nov 22
PWM2:15 pmPortland
23h 55m
1 stop
UVF3:10 pmCastries Hewanorra
Nov 27
UVF4:25 pmCastries Hewanorra
21h 38m
1 stop
PWM1:03 pmPortland
$2,026
Delta
Nov 20
PWM6:00 amPortland
8h 10m
1 stop
UVF3:10 pmCastries Hewanorra
Nov 27
UVF4:25 pmCastries Hewanorra
21h 38m
1 stop
PWM1:03 pmPortland
$2,066

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 August 16, 2026.
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

Cheapest round-trip
Quickest round-trip

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Mon 8/31

6:00 am-3:12 pm

1 stop9h 12m

Castries Hewanorra

Fri 9/4

4:17 pm-12:25 am

1 stop8h 08m

$594

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Sat 1/23

3:56 pm-1:47 pm

2 stops20h 51m

Castries Hewanorra

Sat 1/30

3:06 pm-10:54 pm

1 stop8h 48m

$715

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Sat 1/23

3:56 pm-1:47 pm

2 stops20h 51m

Castries Hewanorra

Sat 1/30

5:02 pm-12:06 pm

2 stops20h 04m

$715

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Sat 1/23

7:00 am-3:03 pm

1 stop31h 03m

Castries Hewanorra

Sat 1/30

3:06 pm-10:54 pm

1 stop8h 48m

$721

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Mon 8/31

6:00 am-3:12 pm

1 stop9h 12m

Castries Hewanorra

Fri 9/4

4:17 pm-12:25 am

1 stop8h 08m

$859

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Mon 8/31

6:00 am-3:12 pm

1 stop9h 12m

Castries Hewanorra

Fri 9/4

4:17 pm-12:25 am

1 stop8h 08m

$879

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Fri 11/20

6:47 pm-1:29 pm

2 stops17h 42m

Castries Hewanorra

Fri 11/27

2:38 pm-10:38 am

2 stops21h 00m

$1,220

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Fri 11/20

5:45 am-3:07 pm

1 stop8h 22m

Castries Hewanorra

Fri 11/27

4:07 pm-9:51 am

2 stops18h 44m

$1,220

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Sun 11/22

12:48 pm-1:29 pm

2 stops23h 41m

Castries Hewanorra

Fri 11/27

2:38 pm-10:38 am

2 stops21h 00m

$1,229

PortlandCastries

PWM Portland - UVF Castries Hewanorra

PWMUVF

Portland

Mon 8/31

6:00 am-2:20 pm

2 stops32h 20m

Castries Hewanorra

Fri 9/4

3:15 pm-11:32 pm

2 stops32h 17m

$1,277

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
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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 airline that flies from Portland to Castries Hewanorra?

JetBlue and United Airlines are the most popular carriers operating from Portland to Castries Hewanorra

What airlines fly to Castries?

JetBlue, American Airlines and Delta are the top three most popular airlines that fly to Castries from Portland, Maine according to our data. JetBlue is the first choice among our users, with 59% of people opting to fly with this airline when traveling to Castries. Keep in mind that there are 3 different airlines that fly to Castries on a routine basis, so you have a few additional options to choose from.

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

9h 12m

Direct flights

None
The fastest flight from Portland, Maine to Castries takes 9h 12m
There are no direct flights from Portland, Maine to Castries. There are no popular flight routes from Portland, Maine to Castries.
Search flight deals

Frequently asked questions about flying from Portland, Maine to Castries

  • 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 9h 12m.

  • 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.

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Find better results for your trip to Saint Lucia

Airports servicing Saint Lucia

Castries George F. L. Charle Airport