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Saint Thomas Island

$237+ Cheap flights from Portland, ME (PWM) to Saint Thomas Island (STT)

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 7/31. Fares are subject to change and may not be available on all flights or dates of travel.
PWM — STT
may. 4 — may. 111
dom. 5/4
dom. 5/11
1 adult, Economy
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Cheap flight deals from Portland to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PWM) to Saint Thomas Island (STT). 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 abril 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$439
(American Airlines)

One-way from

$237
(Delta)

Popular in

February

Cheapest in

September

Average price

$753
Provider with most accurate pricing for Portland-Saint Thomas Island Cyril E King flight deals.
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Provider most trusted by Cheapflights users for Portland-Saint Thomas Island Cyril E King flights.
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From Portland to Saint Thomas Island Cyril E King
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One-way flight from Portland to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 1% potential increase in price ($12 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Portland to Saint Thomas Island

Cheapest flights from Portland to Saint Thomas Island
Explore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This American Airlines deal was found by Cheapflights users on 4/28. 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.
mié. 10/154:09 pmPWM - STT
2 stops20h 41mAmerican Airlines
mié. 10/225:15 pmSTT - PWM
2 stops19h 53mAmerican Airlines
Deal found 4/28$439
This Delta deal was found by Cheapflights users on 4/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/95:30 amPWM - STT
1 stop9h 40mDelta
sáb. 5/174:20 pmSTT - PWM
1 stop7h 54mDelta
Deal found 4/27$518
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 5/95:30 amPWM - STT
2 stops10h 13mUnited Airlines
sáb. 5/174:45 pmSTT - PWM
1 stop7h 14mUnited Airlines
Deal found 4/28$649
This United deal was found by Cheapflights users on 4/28. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/296:00 amPWM - STT
2 stops9h 40mMultiple Airlines
sáb. 10/44:45 pmSTT - PWM
1 stop7h 09mMultiple Airlines
Deal found 4/28$670

Cheapflights Fare Finder

Customize your flight search to find flights from Portland to Saint Thomas Island 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 abril 29, 2025.
Use the filters below to find and compare flights from Portland to Saint Thomas Island that are best for you.

Fly from

Portland

Fly to

Saint Thomas Island

Route

Depart

Return

Price

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

mié. 10/15

4:09 pm-12:50 pm

2 stops20h 41m

Saint Thomas Island Cyril E King

mié. 10/22

5:15 pm-1:08 pm

2 stops19h 53m

$439

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

vie. 5/9

5:30 am-3:10 pm

1 stop9h 40m

Saint Thomas Island Cyril E King

sáb. 5/17

4:20 pm-12:14 am

1 stop7h 54m

$518

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

vie. 5/9

5:30 am-3:43 pm

2 stops10h 13m

Saint Thomas Island Cyril E King

sáb. 5/17

4:45 pm-11:59 pm

1 stop7h 14m

$649

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

lun. 9/29

6:00 am-3:40 pm

2 stops9h 40m

Saint Thomas Island Cyril E King

sáb. 10/4

4:45 pm-11:54 pm

1 stop7h 09m

$670

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

jue. 7/31

6:00 am-1:52 pm

1 stop7h 52m

$237

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

jue. 7/31

5:23 pm-12:45 pm

2 stops19h 22m

$243

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

jue. 6/5

5:40 am-12:17 pm

1 stop6h 37m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Compare providers for flights from Portland to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Saint Thomas Island in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Portland, Maine-Saint Thomas Island flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Portland, Maine-Saint Thomas Island flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Portland, Maine-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Portland, Maine-Saint Thomas Island flights, Cheapflights users trust AranGrant the most. AranGrant 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-Saint Thomas Island 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 Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island 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 Saint Thomas Island

How far ahead should I book a flight from Portland, Maine to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Saint Thomas Island. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Portland, Maine to Saint Thomas Island, you should look to book at least 61 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Portland, Maine to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Saint Thomas Island (average of $433). Flying from Portland, Maine to Saint Thomas Island in June is currently the most expensive (average of $640). 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.

What is the cheapest time of day to fly from PWM to STT?

Find hourly flight availability from Portland to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 16% on flights from Portland, Maine to Saint Thomas Island by exploring options for tickets at noon.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated abril 29, 2025.
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,929 reviews

Comfort

7.9

Entertainment

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

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

  • What are the cheapest airlines flying from Portland, Maine to Saint Thomas Island round-trip?

    According to our current data, American Airlines ($439), Delta ($559), and United Airlines ($649) offers the cheapest pricing from Portland, Maine to Saint Thomas Island. You may be able to fly from Portland, Maine to Saint Thomas Island for 33% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Portland, Maine to Saint Thomas Island one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $237. American Airlines flights start at $243 while deals on United Airlines start at $333 one-way.

  • Can I find deals for flights from Portland to Saint Thomas Island that include hotel bookings?

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

  • How can I find direct flights from Portland to Saint Thomas Island?

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

  • Can I find deals for business class flights from Portland to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Portland to Saint Thomas Island 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 Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Portland, Maine to Saint Thomas Island (average of $433). Flying from Portland, Maine to Saint Thomas Island in June is currently the most expensive (average of $640). 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.

See more FAQs

Traveling to a place near Portland?

Book flights to Portland if you plan to visit one of these locations
St. John

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Alternative routes for Portland to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
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Rockland to Saint Thomas Island flights

Top 3 airlines flying from Portland to Saint Thomas Island

Discover the top 3 airlines that operate flights from Portland to Saint Thomas Island. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$415Average$632FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$439Average$684FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$459Average$760FlexibilityNo cancel feeOn-time69%

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