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Cheap flights from Portland, Maine to Saint Thomas Island from $148

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 5/14. 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

Discover deals from 900+ travel sites with momondo.

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 - 12:35 pm
PWM
-
STT
17h 12m
1 stop
American Airlines Logo
2:30 pm - 10:18 am
STT
-
PWM
19h 48m
2 stops
$275American Airlines
Thu, May 14 - Tue, May 19
American Airlines Logo
7:23 pm - 1:15 pm
PWM
-
STT
17h 52m
2 stops
American Airlines Logo
2:30 pm - 10:18 am
STT
-
PWM
19h 48m
2 stops
$385American Airlines
Thu, May 14 - Tue, May 19
American Airlines Logo
7:23 pm - 11:35 am
PWM
-
STT
16h 12m
2 stops
American Airlines Logo
3:29 pm - 10:07 am
STT
-
PWM
18h 38m
2 stops
$391American Airlines
Thu, May 14 - Mon, May 18
Delta Logo
6:00 am - 1:51 pm
PWM
-
STT
7h 51m
1 stop
Delta Logo
4:27 pm - 12:43 am
STT
-
PWM
8h 16m
1 stop
$406Delta
Thu, May 14 - Mon, May 18
American Airlines Logo
7:23 pm - 12:35 pm
PWM
-
STT
17h 12m
1 stop
American Airlines Logo
12:47 pm - 11:26 pm
STT
-
PWM
10h 39m
1 stop
$410American Airlines
Thu, May 14 - Tue, May 19
American Airlines Logo
6:54 pm - 1:47 pm
PWM
-
STT
18h 53m
2 stops
American Airlines Logo
4:57 pm - 10:37 am
STT
-
PWM
17h 40m
2 stops
$423American Airlines
Mon, Jun 1 - Fri, Jun 5
Delta Logo
6:00 am - 1:51 pm
PWM
-
STT
7h 51m
1 stop
Delta Logo
4:31 pm - 12:52 am
STT
-
PWM
8h 21m
1 stop
$454Delta
Fri, Jun 5 - Sat, Jun 13
United Airlines Logo
5:30 am - 12:20 pm
PWM
-
STT
6h 50m
1 stop
United Airlines Logo
4:45 pm - 11:51 pm
STT
-
PWM
7h 06m
1 stop
$456United Airlines
Mon, May 18 - Thu, May 21
American Airlines Logo
6:46 pm - 3:52 pm
PWM
-
STT
21h 06m
2 stops
American Airlines Logo
1:49 pm - 10:31 am
STT
-
PWM
20h 42m
2 stops
$505American Airlines
Thu, Aug 13 - Wed, Aug 19
American Airlines Logo
6:46 pm - 3:52 pm
PWM
-
STT
21h 06m
2 stops
American Airlines Logo
1:49 pm - 10:31 am
STT
-
PWM
20h 42m
2 stops
$510American Airlines
Thu, Aug 13 - Wed, Aug 19

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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
May 14
PWM7:23 pmPortland
17h 12m
1 stop
STT12:35 pmSaint Thomas Island Cyril E King
May 19
STT2:30 pmSaint Thomas Island Cyril E King
19h 48m
2 stops
PWM10:18 amPortland
$275
American Airlines
May 14
PWM7:23 pmPortland
17h 52m
2 stops
STT1:15 pmSaint Thomas Island Cyril E King
May 19
STT2:30 pmSaint Thomas Island Cyril E King
19h 48m
2 stops
PWM10:18 amPortland
$385
American Airlines
May 14
PWM7:23 pmPortland
16h 12m
2 stops
STT11:35 amSaint Thomas Island Cyril E King
May 18
STT3:29 pmSaint Thomas Island Cyril E King
18h 38m
2 stops
PWM10:07 amPortland
$391

Delta flights from Portland, Maine to Saint Thomas Island

Our best Delta deals on Portland, Maine to Saint Thomas Island flight tickets
Delta
May 8
PWM6:00 amPortland
9h 17m
1 stop
STT3:17 pmSaint Thomas Island Cyril E King
May 10
STT3:01 pmSaint Thomas Island Cyril E King
8h 08m
1 stop
PWM11:09 pmPortland
$354
Delta
May 14
PWM6:00 amPortland
7h 51m
1 stop
STT1:51 pmSaint Thomas Island Cyril E King
May 18
STT4:27 pmSaint Thomas Island Cyril E King
8h 16m
1 stop
PWM12:43 amPortland
$406
Delta
May 7
PWM6:00 amPortland
7h 51m
1 stop
STT1:51 pmSaint Thomas Island Cyril E King
May 10
STT3:01 pmSaint Thomas Island Cyril E King
8h 08m
1 stop
PWM11:09 pmPortland
$427

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 May 4, 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 5/14

7:23 pm-12:35 pm

1 stop17h 12m

Saint Thomas Island Cyril E King

Tue 5/19

2:30 pm-10:18 am

2 stops19h 48m

$275

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 5/14

7:23 pm-1:15 pm

2 stops17h 52m

Saint Thomas Island Cyril E King

Tue 5/19

2:30 pm-10:18 am

2 stops19h 48m

$385

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 5/14

7:23 pm-11:35 am

2 stops16h 12m

Saint Thomas Island Cyril E King

Mon 5/18

3:29 pm-10:07 am

2 stops18h 38m

$391

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 5/14

6:00 am-1:51 pm

1 stop7h 51m

Saint Thomas Island Cyril E King

Mon 5/18

4:27 pm-12:43 am

1 stop8h 16m

$406

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 5/14

7:23 pm-12:35 pm

1 stop17h 12m

Saint Thomas Island Cyril E King

Tue 5/19

12:47 pm-11:26 pm

1 stop10h 39m

$410

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Mon 6/1

6:54 pm-1:47 pm

2 stops18h 53m

Saint Thomas Island Cyril E King

Fri 6/5

4:57 pm-10:37 am

2 stops17h 40m

$423

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Fri 6/5

6:00 am-1:51 pm

1 stop7h 51m

Saint Thomas Island Cyril E King

Sat 6/13

4:31 pm-12:52 am

1 stop8h 21m

$454
Quickest round-trip

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Mon 5/18

5:30 am-12:20 pm

1 stop6h 50m

Saint Thomas Island Cyril E King

Thu 5/21

4:45 pm-11:51 pm

1 stop7h 06m

$456

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 8/13

6:46 pm-3:52 pm

2 stops21h 06m

Saint Thomas Island Cyril E King

Wed 8/19

1:49 pm-10:31 am

2 stops20h 42m

$505

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 8/13

6:46 pm-3:52 pm

2 stops21h 06m

Saint Thomas Island Cyril E King

Wed 8/19

1:49 pm-10:31 am

2 stops20h 42m

$510

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?

What is the cheapest month to fly to Saint Thomas Island?

The month of December is another great option to travel to Saint Thomas Island, with average flight prices from Portland, Maine averaging around $433.

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 50m

Direct flights

None
The fastest flight from Portland, Maine to Saint Thomas Island takes 6h 50m
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

Frequently asked questions about flying from Portland, Maine to Saint Thomas Island

  • 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 50m.

  • 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
United AirlinesPriceFrom $185Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,673 reviews
Search American Airlines flights
DeltaPriceFrom $356Free CancellationRating
7.9
8,460 reviews
Search Delta 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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