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Cheap flights from Portland, Maine to Saint Thomas Island from $108

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 4/7. 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
1 adult, Economy, 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.
American Airlines Logo
7:23 pm - 1:15 pm
PWM
-
STT
17h 52m
2 stops
American Airlines Logo
2:05 pm - 10:23 am
STT
-
PWM
20h 18m
2 stops
$220American Airlines
Thu, Apr 30 - Fri, May 8
United Airlines Logo
6:04 am - 3:31 pm
PWM
-
STT
9h 27m
1 stop
United Airlines Logo
4:45 pm - 11:59 pm
STT
-
PWM
7h 14m
1 stop
$282United Airlines
Wed, Apr 22 - Thu, Apr 30
American Airlines Logo
7:23 pm - 12:35 pm
PWM
-
STT
17h 12m
1 stop
American Airlines Logo
4:48 pm - 2:24 pm
STT
-
PWM
21h 36m
2 stops
$305American Airlines
Fri, May 15 - Fri, May 22
Delta Logo
5:21 am - 2:48 pm
PWM
-
STT
9h 27m
1 stop
Delta Logo
3:05 pm - 11:23 pm
STT
-
PWM
8h 18m
1 stop
$310Delta
Mon, Apr 13 - Mon, Apr 20
Delta Logo
6:30 am - 1:13 pm
PWM
-
STT
6h 43m
1 stop
Delta Logo
3:59 pm - 12:46 am
STT
-
PWM
8h 47m
1 stop
$331Delta
Tue, Apr 21 - Wed, Apr 29
Delta Logo
5:21 am - 1:51 pm
PWM
-
STT
8h 30m
1 stop
Delta Logo
3:59 pm - 12:46 am
STT
-
PWM
8h 47m
1 stop
$333Delta
Mon, Apr 27 - Mon, May 4
United Airlines Logo
6:04 am - 3:31 pm
PWM
-
STT
9h 27m
1 stop
United Airlines Logo
2:10 pm - 11:59 pm
STT
-
PWM
9h 49m
2 stops
$360United Airlines
Wed, Apr 22 - Thu, Apr 30
American Airlines Logo
6:00 am - 12:35 pm
PWM
-
STT
6h 35m
1 stop
American Airlines Logo
11:27 am - 11:27 pm
STT
-
PWM
12h 00m
1 stop
$368American Airlines
Thu, Apr 30 - Fri, May 8
American Airlines Logo
3:39 pm - 12:07 pm
PWM
-
STT
20h 28m
2 stops
American Airlines Logo
2:05 pm - 9:54 am
STT
-
PWM
19h 49m
2 stops
$376American Airlines
Mon, Apr 13 - Mon, Apr 20
United Airlines Logo
6:04 am - 3:31 pm
PWM
-
STT
9h 27m
1 stop
United Airlines Logo
4:45 pm - 11:59 pm
STT
-
PWM
7h 14m
1 stop
$378United Airlines
Tue, Apr 21 - Thu, Apr 30

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
Apr 30
PWM7:23 pmPortland
17h 52m
2 stops
STT1:15 pmSaint Thomas Island Cyril E King
May 8
STT2:05 pmSaint Thomas Island Cyril E King
20h 18m
2 stops
PWM10:23 amPortland
$220
American Airlines
Mar 18
PWM6:29 pmPortland
20h 25m
2 stops
STT2:54 pmSaint Thomas Island Cyril E King
Mar 25
STT2:03 pmSaint Thomas Island Cyril E King
9h 52m
2 stops
PWM11:55 pmPortland
$300
American Airlines
May 15
PWM7:23 pmPortland
17h 12m
1 stop
STT12:35 pmSaint Thomas Island Cyril E King
May 22
STT4:48 pmSaint Thomas Island Cyril E King
21h 36m
2 stops
PWM2:24 pmPortland
$305

Delta flights from Portland, Maine to Saint Thomas Island

Our best Delta deals on Portland, Maine to Saint Thomas Island flight tickets
Delta
Apr 13
PWM5:21 amPortland
9h 27m
1 stop
STT2:48 pmSaint Thomas Island Cyril E King
Apr 20
STT3:05 pmSaint Thomas Island Cyril E King
8h 18m
1 stop
PWM11:23 pmPortland
$310
Delta
Apr 21
PWM6:30 amPortland
6h 43m
1 stop
STT1:13 pmSaint Thomas Island Cyril E King
Apr 29
STT3:59 pmSaint Thomas Island Cyril E King
8h 47m
1 stop
PWM12:46 amPortland
$331
Delta
Apr 27
PWM5:21 amPortland
8h 30m
1 stop
STT1:51 pmSaint Thomas Island Cyril E King
May 4
STT3:59 pmSaint Thomas Island Cyril E King
8h 47m
1 stop
PWM12:46 amPortland
$333

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 March 15, 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

Cheapest round-trip

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 4/30

7:23 pm-1:15 pm

2 stops17h 52m

Saint Thomas Island Cyril E King

Fri 5/8

2:05 pm-10:23 am

2 stops20h 18m

$220

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Wed 4/22

6:04 am-3:31 pm

1 stop9h 27m

Saint Thomas Island Cyril E King

Thu 4/30

4:45 pm-11:59 pm

1 stop7h 14m

$282

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Fri 5/15

7:23 pm-12:35 pm

1 stop17h 12m

Saint Thomas Island Cyril E King

Fri 5/22

4:48 pm-2:24 pm

2 stops21h 36m

$305

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Mon 4/13

5:21 am-2:48 pm

1 stop9h 27m

Saint Thomas Island Cyril E King

Mon 4/20

3:05 pm-11:23 pm

1 stop8h 18m

$310
Quickest round-trip

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 4/21

6:30 am-1:13 pm

1 stop6h 43m

Saint Thomas Island Cyril E King

Wed 4/29

3:59 pm-12:46 am

1 stop8h 47m

$331

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Mon 4/27

5:21 am-1:51 pm

1 stop8h 30m

Saint Thomas Island Cyril E King

Mon 5/4

3:59 pm-12:46 am

1 stop8h 47m

$333

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Wed 4/22

6:04 am-3:31 pm

1 stop9h 27m

Saint Thomas Island Cyril E King

Thu 4/30

2:10 pm-11:59 pm

2 stops9h 49m

$360

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

11:27 am-11:27 pm

1 stop12h 00m

$368

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Mon 4/13

3:39 pm-12:07 pm

2 stops20h 28m

Saint Thomas Island Cyril E King

Mon 4/20

2:05 pm-9:54 am

2 stops19h 49m

$376

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 4/21

6:04 am-3:31 pm

1 stop9h 27m

Saint Thomas Island Cyril E King

Thu 4/30

4:45 pm-11:59 pm

1 stop7h 14m

$378

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Portland, Maine and Saint Thomas Island?

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 $284Free CancellationRating
7.1
11,472 reviews
Search American Airlines flights
DeltaPriceFrom $378Free CancellationRating
7.9
8,293 reviews
Search Delta flights
United AirlinesPriceFrom $429Free CancellationRating
7.4
9,427 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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