Cheap flights from Portland (PWM) to Saint Thomas Island (STT) from $143

This is the cheapest one-way flight price, found on 9/19. Prices may vary by date and flight preferences.
PWM — STT
Sep 25 — Oct 21

How to find the cheapest flight from Portland (PWM) to Saint Thomas Island (STT)

All the information you need to plan the best PWM to STT flight in 2023: compare Portland to Saint Thomas Island flight prices with the expected peak season, weather and rainfall in Saint Thomas Island.

Popular in

April

Cheapest in

May

Round-trip from

$475

One-way from

$150
High demand for flights, 31% potential price rise
Best time to find cheap flights, 19% potential price drop
From Portland to Saint Thomas Island Cyril E King
One-way flight from Portland to Saint Thomas Island Cyril E King

PWM - STT

Price

$475 - $1,147

What is the cheapest day to fly round-trip from Portland, Maine to Saint Thomas Island?

Flying to your destination on a Thursday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Saint Thomas Island. Check prices with Cheapflights to find a great deal for your trip.

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

To save on the cost of your flight from Portland, Maine to Saint Thomas Island, book at least 50 days before your planned departure. Booking around this time can save you about 10% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $817 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $846.

What is the cheapest month to fly from Portland, Maine to Saint Thomas Island?

Flights from Portland, Maine to Saint Thomas Island lean towards being more expensive in April. Prices are generally better when you fly from Portland, Maine to Saint Thomas Island in May, with the cheapest ticket starting at $607.

When is the cheapest time to fly from Portland, Maine to Saint Thomas Island (PWM - STT)?

When flying from Portland, Maine to Saint Thomas Island, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Cheap American Airlines flights from Portland to Saint Thomas Island

Peruse some of the lowest-priced American Airlines flights we've found from Portland to Saint Thomas Island. Make sure to check back often as deals are often changing.

Cheap Delta flights from Portland to Saint Thomas Island

Have a look at some of the cheapest available Delta flights departing from Portland and landing in Saint Thomas Island. Ensure the flight price, dates, time, and airline match your criteria before you book.

Cheap Portland to Saint Thomas Island flights in September & October 2023

The best prices found for PWM to STT flights for September, October
Scroll through some of the best deals on flights from Portland to Saint Thomas Island in 2023. Check back in a little while for more flight options.

Portland to Saint Thomas Island 2023 flight deals

Cheap flights to Saint Thomas Island from Portland found for this year
Scroll through some of the best deals on flights from Portland to Saint Thomas Island in 2023. Check back in a little while for more flight options.

One-way flights to Saint Thomas Island from Portland

The cheapest one-way flights from Portland to Saint Thomas Island
Users traveling one-way from Portland to Saint Thomas Island can select one of these great deals. Users needing a return flight from Portland to Saint Thomas Island should utilize the search form above.

Find flights from Portland to Saint Thomas Island within your budget

Use the slider to find flights from Portland to Saint Thomas Island that fit your budget.

Fly from

Any airport

Fly to

Any airport

Budget

$413 - $605

Route

Depart

Return

Price

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Mon 11/27

1 stop14h 33m

Saint Thomas Island Cyril E King

Wed 12/6

1 stop29h 09m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Sat 1/27

2 stops19h 09m

Saint Thomas Island Cyril E King

Fri 2/2

2 stops20h 36m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Wed 12/6

2 stops10h 05m

Saint Thomas Island Cyril E King

Thu 12/7

2 stops22h 49m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Fri 1/26

1 stop7h 12m

Saint Thomas Island Cyril E King

Fri 2/2

1 stop7h 23m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Thu 11/9

2 stops21h 59m

Saint Thomas Island Cyril E King

Tue 11/14

2 stops20h 47m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Tue 11/28

2 stops21h 32m

Saint Thomas Island Cyril E King

Wed 12/6

1 stop6h 34m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Tue 11/28

1 stop6h 45m

Saint Thomas Island Cyril E King

Wed 12/6

1 stop7h 16m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Sat 2/24

1 stop13h 02m

Saint Thomas Island Cyril E King

Sun 3/3

1 stop9h 05m

PortlandSaint Thomas Island Cyril E King

PWM - STT

PWMSTT

Portland

Thu 11/9

1 stop6h 45m

Saint Thomas Island Cyril E King

Tue 11/14

1 stop7h 16m

Flights are sorted by cheapest first

Deals found on 9/19

Reviews of airlines servicing Saint Thomas Island

See what other customers who have flown with American Airlines, Delta and United Airlines from Portland to Saint Thomas Island have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
3,012 reviews

Crew

8.5

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

Delta
7.9
Good
3,012 reviews
Delta
7.9
Good
3,012 reviews

Crew

8.5

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

United Airlines
7.4
Good
1,887 reviews
Delta
7.9
Good
3,012 reviews

Crew

8.5

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

American Airlines
7.2
Good
2,635 reviews
Delta
7.9
Good
3,012 reviews

Crew

8.5

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

Frontier
5.8
Fair
762 reviews
Delta
7.9
Good
3,012 reviews

Crew

8.5

Comfort

7.9

Boarding

8.0

Food

7.2

Entertainment

7.8

Overall

7.9

Reviews

1 / 10

Entire process from checking bags to flight to landing to luggage retrieval was very smooth.

Related info for your journey

Useful info, stats and facts about Portland to Saint Thomas Island flights.

Can I find flights from Portland, Maine to Saint Thomas Island for under $500 on Cheapflights?

Yes, there are multiple flights from Portland, Maine to Saint Thomas Island for under $500. The cheapest flight booked recently is on Multiple Airlines for just $413, but on average you can expect to pay $607.

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

According to our current data, American Airlines ($448), Delta ($470), and United Airlines ($540) 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 43% 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 Frontier, which is currently one of the cheapest options available, starting at $150. American Airlines flights start at $223 while deals on United Airlines start at $326 one-way.

What are the most popular airlines that fly from Portland, Maine to Saint Thomas Island?

What does PWM to STT mean?

This is defined as Portland Airport (PWM) and Saint Thomas Island Cyril E King Airport (STT). Codes like Saint Thomas Island Cyril E King Airport are often used to just call airports uniquely.

Top 3 airlines flying from Portland to Saint Thomas Island

The chart below displays the airlines Cheapflights users traveling from Portland to Saint Thomas Island choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$382Average$655FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$449Average$777FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$494Average$739FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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