Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Portland, Maine to Castries from $396

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

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.
JetBlue Logo
6:00 am - 3:22 pm
PWM
-
UVF
9h 22m
1 stop
JetBlue Logo
1:57 pm - 1:45 pm
UVF
-
PWM
23h 48m
1 stop
$643JetBlue
Mon, Jun 29 - Tue, Jul 7
American Airlines Logo
5:58 pm - 12:04 pm
PWM
-
UVF
18h 06m
2 stops
American Airlines Logo
3:20 pm - 2:16 pm
UVF
-
PWM
22h 56m
2 stops
$751American Airlines
Mon, Jun 29 - Tue, Jul 7
American Airlines Logo
5:58 pm - 2:16 pm
PWM
-
UVF
20h 18m
1 stop
American Airlines Logo
3:20 pm - 2:16 pm
UVF
-
PWM
22h 56m
2 stops
$793American Airlines
Mon, Jun 29 - Tue, Jul 7
American Airlines Logo
5:58 pm - 2:16 pm
PWM
-
UVF
20h 18m
1 stop
American Airlines Logo
3:20 pm - 1:40 pm
UVF
-
PWM
22h 20m
1 stop
$882American Airlines
Mon, Jun 29 - Tue, Jul 7

JetBlue flights from Portland, Maine to Castries

Our best JetBlue deals on Portland, Maine to Castries flight tickets
JetBlue
Jun 29
PWM6:00 amPortland
9h 22m
1 stop
UVF3:22 pmCastries Hewanorra
Jul 7
UVF1:57 pmCastries Hewanorra
23h 48m
1 stop
PWM1:45 pmPortland
$643
JetBlue
Jun 10
PWM2:37 pmPortland
22h 07m
1 stop
UVF12:44 pmCastries Hewanorra
Jun 16
UVF1:50 pmCastries Hewanorra
23h 45m
1 stop
PWM1:35 pmPortland
$905
JetBlue
Jun 10
PWM2:37 pmPortland
22h 07m
1 stop
UVF12:44 pmCastries Hewanorra
Jun 16
UVF1:50 pmCastries Hewanorra
23h 45m
1 stop
PWM1:35 pmPortland
$974

American Airlines flights from Portland, Maine to Castries

Our best American Airlines deals on Portland, Maine to Castries flight tickets
American Airlines
Jun 29
PWM5:58 pmPortland
18h 06m
2 stops
UVF12:04 pmCastries Hewanorra
Jul 7
UVF3:20 pmCastries Hewanorra
22h 56m
2 stops
PWM2:16 pmPortland
$751
American Airlines
Jun 29
PWM5:58 pmPortland
20h 18m
1 stop
UVF2:16 pmCastries Hewanorra
Jul 7
UVF3:20 pmCastries Hewanorra
22h 56m
2 stops
PWM2:16 pmPortland
$793
American Airlines
Jun 29
PWM5:58 pmPortland
20h 18m
1 stop
UVF2:16 pmCastries Hewanorra
Jul 7
UVF3:20 pmCastries Hewanorra
22h 20m
1 stop
PWM1:40 pmPortland
$882

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 June 5, 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 - UVF

PWMUVF

Portland

Mon 6/29

6:00 am-3:22 pm

1 stop9h 22m

Castries Hewanorra

Tue 7/7

1:57 pm-1:45 pm

1 stop23h 48m

$643

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 6/29

5:58 pm-12:04 pm

2 stops18h 06m

Castries Hewanorra

Tue 7/7

3:20 pm-2:16 pm

2 stops22h 56m

$751

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 6/29

5:58 pm-2:16 pm

1 stop20h 18m

Castries Hewanorra

Tue 7/7

3:20 pm-2:16 pm

2 stops22h 56m

$793

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 6/29

5:58 pm-2:16 pm

1 stop20h 18m

Castries Hewanorra

Tue 7/7

3:20 pm-1:40 pm

1 stop22h 20m

$882
Cheapest one-way

PortlandCastries

PWM - UVF

PWMUVF

Portland

Thu 9/3

5:03 pm-1:31 pm

2 stops44h 28m

$396
Quickest one-way

PortlandCastries

PWM - UVF

PWMUVF

Portland

Thu 9/3

6:00 am-3:06 pm

1 stop9h 06m

$421

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 airline that flies from Portland to Castries Hewanorra?

United Airlines and JetBlue 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 63% 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

22h 07m

Direct flights

None
The fastest flight from Portland, Maine to Castries takes 22h 07m
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 22h 07m.

  • 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
Sun 7/5
Sun 7/12
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