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Cheap flights from Portland, Maine to Saint Thomas Island from $133

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 7/14. 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
1 adult, Economy, 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
6:46 pm - 3:52 pm
PWM
-
STT
21h 06m
2 stops
American Airlines Logo
4:42 pm - 2:21 pm
STT
-
PWM
21h 39m
2 stops
$260American Airlines
Sun, Aug 23 - Fri, Aug 28
American Airlines Logo
6:39 pm - 3:15 pm
PWM
-
STT
19h 36m
2 stops
American Airlines Logo
6:17 pm - 12:11 pm
STT
-
PWM
18h 54m
2 stops
$265American Airlines
Wed, Nov 25 - Wed, Dec 2
American Airlines Logo
6:39 pm - 4:55 pm
PWM
-
STT
21h 16m
2 stops
American Airlines Logo
4:16 pm - 12:11 pm
STT
-
PWM
20h 55m
2 stops
$339American Airlines
Thu, Nov 26 - Wed, Dec 2
American Airlines Logo
6:39 pm - 3:15 pm
PWM
-
STT
19h 36m
2 stops
American Airlines Logo
6:17 pm - 11:37 am
STT
-
PWM
18h 20m
2 stops
$344American Airlines
Wed, Nov 25 - Thu, Dec 3
American Airlines Logo
6:39 pm - 3:15 pm
PWM
-
STT
19h 36m
2 stops
American Airlines Logo
4:16 pm - 12:11 pm
STT
-
PWM
20h 55m
2 stops
$356American Airlines
Tue, Nov 24 - Wed, Dec 2
American Airlines Logo
5:42 pm - 12:51 pm
PWM
-
STT
19h 09m
2 stops
American Airlines Logo
1:41 pm - 10:03 am
STT
-
PWM
20h 22m
2 stops
$373American Airlines
Mon, Sep 21 - Thu, Sep 24
American Airlines Logo
6:39 pm - 4:55 pm
PWM
-
STT
21h 16m
2 stops
American Airlines Logo
6:17 pm - 12:11 pm
STT
-
PWM
18h 54m
2 stops
$380American Airlines
Wed, Nov 18 - Wed, Dec 2
American Airlines Logo
6:39 pm - 3:15 pm
PWM
-
STT
19h 36m
2 stops
American Airlines Logo
4:16 pm - 11:37 am
STT
-
PWM
20h 21m
2 stops
$435American Airlines
Tue, Nov 24 - Thu, Dec 3
American Airlines Logo
7:05 am - 3:02 pm
PWM
-
STT
7h 57m
1 stop
American Airlines Logo
4:42 pm - 2:21 pm
STT
-
PWM
21h 39m
2 stops
$441American Airlines
Sun, Aug 23 - Fri, Aug 28
American Airlines Logo
5:42 pm - 12:51 pm
PWM
-
STT
19h 09m
2 stops
American Airlines Logo
1:41 pm - 12:21 pm
STT
-
PWM
22h 40m
2 stops
$454American Airlines
Thu, Sep 17 - Mon, Sep 21

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Delta flights from Portland, Maine to Saint Thomas Island

Our best Delta deals on Portland, Maine to Saint Thomas Island flight tickets
Delta
Sep 17
PWM6:05 amPortland
7h 39m
1 stop
STT1:44 pmSaint Thomas Island Cyril E King
Sep 21
STT2:54 pmSaint Thomas Island Cyril E King
8h 31m
1 stop
PWM11:25 pmPortland
$579
Delta
Nov 26
PWM6:00 amPortland
7h 40m
1 stop
STT2:40 pmSaint Thomas Island Cyril E King
Dec 2
STT3:54 pmSaint Thomas Island Cyril E King
7h 29m
1 stop
PWM10:23 pmPortland
$668
Delta
Nov 26
PWM6:00 amPortland
7h 40m
1 stop
STT2:40 pmSaint Thomas Island Cyril E King
Dec 2
STT3:54 pmSaint Thomas Island Cyril E King
7h 29m
1 stop
PWM10:23 pmPortland
$670

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
Aug 23
PWM6:46 pmPortland
21h 06m
2 stops
STT3:52 pmSaint Thomas Island Cyril E King
Aug 28
STT4:42 pmSaint Thomas Island Cyril E King
21h 39m
2 stops
PWM2:21 pmPortland
$260
American Airlines
Nov 25
PWM6:39 pmPortland
19h 36m
2 stops
STT3:15 pmSaint Thomas Island Cyril E King
Dec 2
STT6:17 pmSaint Thomas Island Cyril E King
18h 54m
2 stops
PWM12:11 pmPortland
$265
American Airlines
Nov 26
PWM6:39 pmPortland
21h 16m
2 stops
STT4:55 pmSaint Thomas Island Cyril E King
Dec 2
STT4:16 pmSaint Thomas Island Cyril E King
20h 55m
2 stops
PWM12:11 pmPortland
$339

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 June 20, 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

Sun 8/23

6:46 pm-3:52 pm

2 stops21h 06m

Saint Thomas Island Cyril E King

Fri 8/28

4:42 pm-2:21 pm

2 stops21h 39m

$260

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Wed 11/25

6:39 pm-3:15 pm

2 stops19h 36m

Saint Thomas Island Cyril E King

Wed 12/2

6:17 pm-12:11 pm

2 stops18h 54m

$265

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 11/26

6:39 pm-4:55 pm

2 stops21h 16m

Saint Thomas Island Cyril E King

Wed 12/2

4:16 pm-12:11 pm

2 stops20h 55m

$339

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Wed 11/25

6:39 pm-3:15 pm

2 stops19h 36m

Saint Thomas Island Cyril E King

Thu 12/3

6:17 pm-11:37 am

2 stops18h 20m

$344

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 11/24

6:39 pm-3:15 pm

2 stops19h 36m

Saint Thomas Island Cyril E King

Wed 12/2

4:16 pm-12:11 pm

2 stops20h 55m

$356

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Mon 9/21

5:42 pm-12:51 pm

2 stops19h 09m

Saint Thomas Island Cyril E King

Thu 9/24

1:41 pm-10:03 am

2 stops20h 22m

$373

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Wed 11/18

6:39 pm-4:55 pm

2 stops21h 16m

Saint Thomas Island Cyril E King

Wed 12/2

6:17 pm-12:11 pm

2 stops18h 54m

$380

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Tue 11/24

6:39 pm-3:15 pm

2 stops19h 36m

Saint Thomas Island Cyril E King

Thu 12/3

4:16 pm-11:37 am

2 stops20h 21m

$435
Quickest round-trip

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Sun 8/23

7:05 am-3:02 pm

1 stop7h 57m

Saint Thomas Island Cyril E King

Fri 8/28

4:42 pm-2:21 pm

2 stops21h 39m

$441

PortlandSaint Thomas Island

PWM - STT

PWMSTT

Portland

Thu 9/17

5:42 pm-12:51 pm

2 stops19h 09m

Saint Thomas Island Cyril E King

Mon 9/21

1:41 pm-12:21 pm

2 stops22h 40m

$454

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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 month to fly to Saint Thomas Island?

The month of June is another great option to travel to Saint Thomas Island, with average flight prices from Portland, Maine averaging around $429.

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

7h 05m

Direct flights

None
The fastest flight from Portland, Maine to Saint Thomas Island takes 7h 05m
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 7h 05m.

  • 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
9,865 reviews
Search United Airlines flights
American AirlinesPriceFrom $284Free CancellationRating
7.1
11,715 reviews
Search American Airlines flights
DeltaPriceFrom $336Free CancellationRating
7.8
8,420 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.

An easier way to manage your Saint Thomas Island trip

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