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Castries

$304+ Cheap flights from Portland, ME (PWM) to Castries (UVF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/1. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — UVF
Feb 11 — Feb 181
Wed 2/11
Wed 2/18
1 adult, Economy
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Cheap flight deals from Portland to Castries

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Castries (UVF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 12, 2026.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$581
(American Airlines)

One-way from

$304
(United Airlines)
Provider with most accurate pricing for Portland-Castries Hewanorra flight deals.
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Provider most trusted by Cheapflights users for Portland-Castries Hewanorra flights.
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From Portland to Castries Hewanorra
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One-way flight from Portland to Castries Hewanorra
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Find flight deals from Portland to Castries

Cheapest flights from Portland to Castries
Explore the most affordable flight options available from Portland to Castries. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 12, 2026.

This American Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/226:29 pmPWM - UVF
2 stops20h 29mAmerican Airlines
Wed 3/253:58 pmUVF - PWM
2 stops20h 16mAmerican Airlines
Deal found 1/10$581
This American Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/296:29 pmPWM - UVF
2 stops20h 29mAmerican Airlines
Tue 4/73:21 pmUVF - PWM
1 stop19h 54mAmerican Airlines
Deal found 1/11$591
This American Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/206:29 pmPWM - UVF
1 stop18h 39mAmerican Airlines
Tue 3/243:58 pmUVF - PWM
2 stops18h 30mAmerican Airlines
Deal found 1/10$606
This American Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:57 pmPWM - UVF
2 stops20h 21mAmerican Airlines
Tue 3/33:48 pmUVF - PWM
2 stops19h 37mAmerican Airlines
Deal found 1/10$611
This American Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/13:02 pmPWM - UVF
1 stop22h 07mAmerican Airlines
Wed 5/63:28 pmUVF - PWM
2 stops18h 39mAmerican Airlines
Deal found 1/10$614
This American Airlines deal was found by Cheapflights users on 1/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/23:40 pmPWM - UVF
2 stops21h 55mAmerican Airlines
Tue 5/52:35 pmUVF - PWM
2 stops20h 40mAmerican Airlines
Deal found 1/10$691
This American Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:07 pmPWM - UVF
2 stops21h 51mAmerican Airlines
Tue 4/73:21 pmUVF - PWM
2 stops25h 54mAmerican Airlines
Deal found 1/11$710
This American Airlines deal was found by Cheapflights users on 1/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/305:07 pmPWM - UVF
2 stops20h 41mAmerican Airlines
Mon 4/62:48 pmUVF - PWM
2 stops21h 50mAmerican Airlines
Deal found 1/11$716

Cheapflights Fare Finder

 
Customize your flight search to find flights from Portland 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, Cheapflights users made 2,558,603 searches. Data last updated January 12, 2026.
Use the filters below to find and compare flights from Portland to Castries that are best for you.

Fly from

Portland

Fly to

Castries

Route

Depart

Return

Price

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sun 3/22

6:29 pm-2:58 pm

2 stops20h 29m

Castries Hewanorra

Wed 3/25

3:58 pm-12:14 pm

2 stops20h 16m

$581

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 5/2

3:40 pm-1:35 pm

2 stops21h 55m

Castries Hewanorra

Wed 5/6

3:28 pm-10:46 pm

1 stop31h 18m

$591

PortlandCastries

PWM - UVF

PWMUVF

Portland

Fri 4/3

5:07 pm-2:58 pm

2 stops21h 51m

Castries Hewanorra

Tue 4/7

3:21 pm-10:07 am

2 stops18h 46m

$606

PortlandCastries

PWM - UVF

PWMUVF

Portland

Fri 3/20

6:29 pm-1:08 pm

1 stop18h 39m

Castries Hewanorra

Tue 3/24

3:58 pm-10:28 am

2 stops18h 30m

$606

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 2/28

5:57 pm-3:18 pm

2 stops20h 21m

Castries Hewanorra

Tue 3/3

3:48 pm-10:25 am

2 stops19h 37m

$611

PortlandCastries

PWM - UVF

PWMUVF

Portland

Fri 5/1

3:02 pm-1:09 pm

1 stop22h 07m

Castries Hewanorra

Wed 5/6

3:28 pm-10:07 am

2 stops18h 39m

$614

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 5/2

3:40 pm-1:35 pm

2 stops21h 55m

Castries Hewanorra

Tue 5/5

2:35 pm-11:15 am

2 stops20h 40m

$691

PortlandCastries

PWM - UVF

PWMUVF

Portland

Mon 3/30

5:07 pm-2:58 pm

2 stops21h 51m

Castries Hewanorra

Tue 4/7

3:21 pm-5:15 pm

2 stops25h 54m

$710

PortlandCastries

PWM - UVF

PWMUVF

Portland

Fri 5/1

7:06 pm-3:31 pm

2 stops20h 25m

$304

PortlandCastries

PWM - UVF

PWMUVF

Portland

Sat 4/4

6:49 pm-2:18 pm

2 stops19h 29m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/10

Showing 1-10 of 16 results
1
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  • Most accurate provider: When it comes to deals on Portland, Maine-Castries flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Portland, Maine-Castries flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Portland, Maine-Castries flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Castries flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland, Maine-Castries flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Portland to Castries

What is the cheapest month to book a flight from Portland, Maine to Castries?

Currently, May is the cheapest month in which you can book a flight from Portland, Maine to Castries (average of $214). Flying from Portland, Maine to Castries in September is currently the most expensive (average of $541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Portland to Castries. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Portland, Maine to Castries?

    American Airlines can get you from Portland, Maine to Castries in just under 20h 29m. Your travel time can differ by up to . The distance from Portland, Maine to Castries is about 2138 mi.

  • Can I find deals for flights from Portland to Castries that include hotel bookings?

    Yes. In addition to deals on Portland to Castries flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Castries?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Castries.

  • Can I find deals for business class flights from Portland to Castries?

    Yes. Cheapflights offers flight deals from Portland to Castries by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Portland, Maine to Castries?

    Currently, May is the cheapest month in which you can book a flight from Portland, Maine to Castries (average of $214). Flying from Portland, Maine to Castries in September is currently the most expensive (average of $541). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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