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Cheap flights from Portland, Maine to Saint Thomas Island from $234

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 Saint Thomas Island departing on 1/9. 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
0 bags

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Find the cheapest flights from Portland, Maine to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
6:30 am - 1:49 pm
PWM
-
STT
6h 19m1 stop
Delta Logo
5:32 pm - 12:18 am
STT
-
PWM
7h 46m1 stop
$315Delta
Tue, Feb 24 - Tue, Mar 3
American Airlines Logo
3:58 pm - 2:02 pm
PWM
-
STT
21h 04m2 stops
American Airlines Logo
12:02 pm - 11:50 pm
STT
-
PWM
11h 48m2 stops
$340American Airlines
Sun, Jan 18 - Tue, Mar 17
Delta Logo
6:30 am - 1:49 pm
PWM
-
STT
6h 19m1 stop
Delta Logo
1:52 pm - 11:06 pm
STT
-
PWM
10h 14m1 stop
$352Delta
Sun, Feb 22 - Thu, Feb 26
Delta Logo
6:30 am - 1:49 pm
PWM
-
STT
6h 19m1 stop
Delta Logo
5:32 pm - 12:18 am
STT
-
PWM
7h 46m1 stop
$363Delta
Sun, Feb 22 - Thu, Feb 26
American Airlines Logo
11:52 am - 12:21 pm
PWM
-
STT
23h 29m2 stops
American Airlines Logo
6:36 pm - 10:58 am
STT
-
PWM
17h 22m2 stops
$418American Airlines
Sat, Feb 21 - Sat, Feb 28
Delta Logo
5:30 am - 4:10 pm
PWM
-
STT
9h 40m1 stop
Delta Logo
3:56 pm - 12:10 am
STT
-
PWM
8h 14m1 stop
$435Delta
Sun, Jan 18 - Tue, Mar 17
Delta Logo
5:30 am - 4:10 pm
PWM
-
STT
9h 40m1 stop
Delta Logo
5:30 pm - 12:20 am
STT
-
PWM
7h 50m1 stop
$447Delta
Fri, Jan 23 - Mon, Jan 26
American Airlines Logo
7:00 am - 3:06 pm
PWM
-
STT
7h 06m1 stop
American Airlines Logo
4:47 pm - 12:05 pm
STT
-
PWM
20h 18m2 stops
$462American Airlines
Sun, Feb 1 - Mon, Feb 9
American Airlines Logo
5:07 pm - 1:02 pm
PWM
-
STT
19h 55m2 stops
American Airlines Logo
5:10 pm - 12:00 pm
STT
-
PWM
18h 50m2 stops
$521American Airlines
Wed, Apr 1 - Tue, Apr 14
Delta Logo
5:30 am - 4:20 pm
PWM
-
STT
9h 50m1 stop
Delta Logo
5:30 pm - 12:20 am
STT
-
PWM
7h 50m1 stop
$543Delta
Sun, Feb 1 - Mon, Feb 9

Delta flights from Portland, Maine to Saint Thomas Island

Our best Delta deals on Portland, Maine to Saint Thomas Island flight tickets
Delta
Feb 24
PWM6:30 amPortland
6h 19m
1 stop
STT1:49 pmSaint Thomas Island Cyril E King
Mar 3
STT5:32 pmSaint Thomas Island Cyril E King
7h 46m
1 stop
PWM12:18 amPortland
$315
Find similar
Delta
Feb 22
PWM6:30 amPortland
6h 19m
1 stop
STT1:49 pmSaint Thomas Island Cyril E King
Feb 26
STT1:52 pmSaint Thomas Island Cyril E King
10h 14m
1 stop
PWM11:06 pmPortland
$352
Find similar
Delta
Feb 22
PWM6:30 amPortland
6h 19m
1 stop
STT1:49 pmSaint Thomas Island Cyril E King
Feb 26
STT5:32 pmSaint Thomas Island Cyril E King
7h 46m
1 stop
PWM12:18 amPortland
$363
Find similar

American Airlines flights from Portland, Maine to Saint Thomas Island

Our best American Airlines deals on Portland, Maine to Saint Thomas Island flight tickets
American Airlines
Jan 18
PWM7:00 amPortland
7h 06m
1 stop
STT3:06 pmSaint Thomas Island Cyril E King
Mar 17
STT2:03 pmSaint Thomas Island Cyril E King
8h 56m
1 stop
PWM10:59 pmPortland
$340
Find similar
American Airlines
Feb 21
PWM11:52 amPortland
23h 29m
2 stops
STT12:21 pmSaint Thomas Island Cyril E King
Feb 28
STT6:36 pmSaint Thomas Island Cyril E King
17h 22m
2 stops
PWM10:58 amPortland
$418
Find similar
American Airlines
Feb 1
PWM7:00 amPortland
7h 06m
1 stop
STT3:06 pmSaint Thomas Island Cyril E King
Feb 9
STT4:47 pmSaint Thomas Island Cyril E King
20h 18m
2 stops
PWM12:05 pmPortland
$462
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Portland, Maine 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, momondo users made 832,500 searches. Data last updated December 11, 2025.
Use the filters below to find and compare flights from Portland, Maine to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 2/24

6:30 am-1:49 pm

1 stop6h 19m

Saint Thomas Island Cyril E King

Tue 3/3

5:32 pm-12:18 am

1 stop7h 46m

$315

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 1/18

3:58 pm-2:02 pm

2 stops21h 04m

Saint Thomas Island Cyril E King

Tue 3/17

12:02 pm-11:50 pm

2 stops11h 48m

$340

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/22

6:30 am-1:49 pm

1 stop6h 19m

Saint Thomas Island Cyril E King

Thu 2/26

1:52 pm-11:06 pm

1 stop10h 14m

$352

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/22

6:30 am-1:49 pm

1 stop6h 19m

Saint Thomas Island Cyril E King

Thu 2/26

5:32 pm-12:18 am

1 stop7h 46m

$363

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sat 2/21

11:52 am-12:21 pm

2 stops23h 29m

Saint Thomas Island Cyril E King

Sat 2/28

6:36 pm-10:58 am

2 stops17h 22m

$418

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 1/18

5:30 am-4:10 pm

1 stop9h 40m

Saint Thomas Island Cyril E King

Tue 3/17

3:56 pm-12:10 am

1 stop8h 14m

$435

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Fri 1/23

5:30 am-4:10 pm

1 stop9h 40m

Saint Thomas Island Cyril E King

Mon 1/26

5:30 pm-12:20 am

1 stop7h 50m

$447

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/1

7:00 am-3:06 pm

1 stop7h 06m

Saint Thomas Island Cyril E King

Mon 2/9

4:47 pm-12:05 pm

2 stops20h 18m

$462

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Wed 4/1

5:07 pm-1:02 pm

2 stops19h 55m

Saint Thomas Island Cyril E King

Tue 4/14

5:10 pm-12:00 pm

2 stops18h 50m

$521

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/1

5:30 am-4:20 pm

1 stop9h 50m

Saint Thomas Island Cyril E King

Mon 2/9

5:30 pm-12:20 am

1 stop7h 50m

$543

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Portland, Maine to Saint Thomas Island

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 day to depart on your flight to Saint Thomas Island?

On average, the least expensive day to fly to Saint Thomas Island from Portland, Maine is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $408. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Saint Thomas Island for around $646.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is at noon when flights can be purchased for as low as $257. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $495. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Saint Thomas Island?

You are more likely to see cheaper flights to Saint Thomas Island from Portland, Maine when booking weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $675 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Saint Thomas Island from Portland, Maine for as low as $472 on momondo.

When to book flights from Portland, Maine to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Portland, Maine to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Portland, Maine to Saint Thomas Island (PWM to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland, Maine to Saint Thomas Island

Fastest flight time

6h 15m

Direct flights

None
The fastest flight from Portland, Maine to Saint Thomas Island takes 6h 15m
There are no direct flights from Portland, Maine to Saint Thomas Island. There are no popular flight routes from Portland, Maine to Saint Thomas Island.
Search flight deals

  • How far is Portland to Saint Thomas Island Cyril E King by plane?

    Saint Thomas Island Cyril E King is 1775.4 mi away from Portland. By plane, this route typically takes 6h 15m.

  • When did momondo last update prices for flights from Portland Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Portland Airport to Saint Thomas Island Cyril E King Airport refresh daily.

  • How many operators does momondo search for flights from Portland Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Portland Airport to Saint Thomas Island Cyril E King Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Portland Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Portland, Maine to Saint Thomas Island?

Best airlines flying from Portland, Maine to Saint Thomas Island

Compare and see reviews for airlines that fly from Portland, Maine to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $439Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $439Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $459Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Why use momondo?

Why should I use momondo to find a flight deal from Portland to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from Portland.

Can I find flights from Portland to Saint Thomas Island with flexible booking policies on momondo?

All flight searches from Portland to Saint Thomas Island on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Portland to Saint Thomas Island?

momondo provides multiple filters to help you find the best flight to Saint Thomas Island 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 Saint Thomas Island right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Portland to Saint Thomas Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Saint Thomas Island trip

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