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Cheap flights from Portland, Maine to Saint Thomas Island from $166

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 4/6. 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
5:31 am - 3:04 pm
PWM
-
STT
8h 33m
1 stop
Delta Logo
4:15 pm - 11:06 pm
STT
-
PWM
7h 51m
1 stop
$336Delta
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
5:45 am - 4:18 pm
PWM
-
STT
9h 33m
1 stop
United Airlines Logo
5:25 pm - 11:20 pm
STT
-
PWM
6h 55m
1 stop
$385United Airlines
Fri, Feb 20 - Wed, Mar 4
Delta Logo
5:31 am - 3:04 pm
PWM
-
STT
8h 33m
1 stop
Delta Logo
5:32 pm - 12:18 am
STT
-
PWM
7h 46m
1 stop
$399Delta
Sun, Feb 22 - Fri, Feb 27
American Airlines Logo
6:36 pm - 3:47 pm
PWM
-
STT
20h 11m
2 stops
American Airlines Logo
2:53 pm - 11:50 pm
STT
-
PWM
9h 57m
2 stops
$425American Airlines
Sun, Feb 22 - Thu, Feb 26
Delta Logo
5:31 am - 4:22 pm
PWM
-
STT
9h 51m
1 stop
Delta Logo
5:32 pm - 12:18 am
STT
-
PWM
7h 46m
1 stop
$430Delta
Tue, Feb 24 - Sun, Mar 1
American Airlines Logo
5:20 am - 3:56 pm
PWM
-
STT
9h 36m
2 stops
American Airlines Logo
5:10 pm - 10:59 pm
STT
-
PWM
6h 49m
1 stop
$462American Airlines
Tue, Feb 10 - Sat, Feb 14
American Airlines Logo
5:10 pm - 11:35 am
PWM
-
STT
18h 25m
2 stops
American Airlines Logo
4:34 pm - 10:07 am
STT
-
PWM
17h 33m
2 stops
$467American Airlines
Tue, Apr 7 - Mon, Apr 20
Delta Logo
5:31 am - 3:04 pm
PWM
-
STT
8h 33m
1 stop
Delta Logo
5:32 pm - 12:18 am
STT
-
PWM
7h 46m
1 stop
$493Delta
Sun, Feb 22 - Sun, Mar 1
United Airlines Logo
3:05 pm - 1:56 pm
PWM
-
STT
21h 51m
2 stops
United Airlines Logo
5:25 pm - 11:20 pm
STT
-
PWM
6h 55m
1 stop
$499United Airlines
Tue, Feb 24 - Fri, Feb 27
American Airlines Logo
6:00 am - 12:35 pm
PWM
-
STT
6h 35m
1 stop
American Airlines Logo
3:29 pm - 10:24 am
STT
-
PWM
18h 55m
2 stops
$508American Airlines
Thu, Apr 30 - Fri, May 8

United Airlines flights from Portland, Maine to Saint Thomas Island

Our best United Airlines deals on Portland, Maine to Saint Thomas Island flight tickets
United Airlines
Feb 20
PWM5:45 amPortland
9h 33m
1 stop
STT4:18 pmSaint Thomas Island Cyril E King
Mar 4
STT5:25 pmSaint Thomas Island Cyril E King
6h 55m
1 stop
PWM11:20 pmPortland
$385
United Airlines
Feb 24
PWM3:05 pmPortland
21h 51m
2 stops
STT1:56 pmSaint Thomas Island Cyril E King
Feb 27
STT5:25 pmSaint Thomas Island Cyril E King
6h 55m
1 stop
PWM11:20 pmPortland
$499
United Airlines
May 1
PWM7:10 pmPortland
20h 33m
2 stops
STT3:43 pmSaint Thomas Island Cyril E King
May 10
STT1:22 pmSaint Thomas Island Cyril E King
25h 27m
2 stops
PWM2:49 pmPortland
$607

Delta flights from Portland, Maine to Saint Thomas Island

Our best Delta deals on Portland, Maine to Saint Thomas Island flight tickets
Delta
Feb 22
PWM5:31 amPortland
8h 33m
1 stop
STT3:04 pmSaint Thomas Island Cyril E King
Feb 26
STT4:15 pmSaint Thomas Island Cyril E King
7h 51m
1 stop
PWM11:06 pmPortland
$336
Delta
Feb 22
PWM5:31 amPortland
8h 33m
1 stop
STT3:04 pmSaint Thomas Island Cyril E King
Feb 27
STT5:32 pmSaint Thomas Island Cyril E King
7h 46m
1 stop
PWM12:18 amPortland
$399
Delta
Feb 24
PWM5:31 amPortland
9h 51m
1 stop
STT4:22 pmSaint Thomas Island Cyril E King
Mar 1
STT5:32 pmSaint Thomas Island Cyril E King
7h 46m
1 stop
PWM12:18 amPortland
$430

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 January 28, 2026.
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

Sun 2/22

5:31 am-3:04 pm

1 stop8h 33m

Saint Thomas Island Cyril E King

Thu 2/26

4:15 pm-11:06 pm

1 stop7h 51m

$336

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Fri 2/20

5:45 am-4:18 pm

1 stop9h 33m

Saint Thomas Island Cyril E King

Wed 3/4

5:25 pm-11:20 pm

1 stop6h 55m

$385

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/22

5:31 am-3:04 pm

1 stop8h 33m

Saint Thomas Island Cyril E King

Fri 2/27

5:32 pm-12:18 am

1 stop7h 46m

$399

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/22

6:36 pm-3:47 pm

2 stops20h 11m

Saint Thomas Island Cyril E King

Thu 2/26

2:53 pm-11:50 pm

2 stops9h 57m

$425

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 2/24

5:31 am-4:22 pm

1 stop9h 51m

Saint Thomas Island Cyril E King

Sun 3/1

5:32 pm-12:18 am

1 stop7h 46m

$430

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 2/10

5:20 am-3:56 pm

2 stops9h 36m

Saint Thomas Island Cyril E King

Sat 2/14

5:10 pm-10:59 pm

1 stop6h 49m

$462

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 4/7

5:10 pm-11:35 am

2 stops18h 25m

Saint Thomas Island Cyril E King

Mon 4/20

4:34 pm-10:07 am

2 stops17h 33m

$467

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 2/22

5:31 am-3:04 pm

1 stop8h 33m

Saint Thomas Island Cyril E King

Sun 3/1

5:32 pm-12:18 am

1 stop7h 46m

$493

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 2/24

3:05 pm-1:56 pm

2 stops21h 51m

Saint Thomas Island Cyril E King

Fri 2/27

5:25 pm-11:20 pm

1 stop6h 55m

$499

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 4/30

6:00 am-12:35 pm

1 stop6h 35m

Saint Thomas Island Cyril E King

Fri 5/8

3:29 pm-10:24 am

2 stops18h 55m

$508

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
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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

How have Portland, Maine to Saint Thomas Island flight prices changed over time?

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 35m

Direct flights

None
The fastest flight from Portland, Maine to Saint Thomas Island takes 6h 35m
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 35m.

  • 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
11,201 reviews
Search American Airlines flights
DeltaPriceFrom $439Free CancellationRating
7.9
8,123 reviews
Search Delta flights
United AirlinesPriceFrom $459Free CancellationRating
7.4
9,212 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.

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