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Cheap flights from Portland, Maine to Saint Thomas Island from $237

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 6/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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

Cheap round-trip flights

KAYAK's recommended round-trip deals from the most popular airlines that fly from Portland, Maine to Saint Thomas Island.
Delta Logo
5:32 am - 12:43 pmPWM-STT
7h 11m1 stop
Delta Logo
4:20 pm - 12:14 amSTT-PWM
7h 54m1 stop
$459Delta
Find Deal
Sat, May 3 - Sat, May 10
Delta Logo
5:20 am - 3:05 pmPWM-STT
9h 45m1 stop
Delta Logo
4:20 pm - 12:14 amSTT-PWM
7h 54m1 stop
$468Delta
Find Deal
Tue, May 6 - Mon, May 12
American Airlines Logo
6:00 am - 2:48 pmPWM-STT
8h 48m2 stops
American Airlines Logo
11:40 am - 11:06 pmSTT-PWM
11h 26m1 stop
$498American Airlines
Find Deal
Tue, May 6 - Mon, May 12
American Airlines Logo
5:18 pm - 10:40 amPWM-STT
17h 22m2 stops
American Airlines Logo
5:50 pm - 11:24 amSTT-PWM
17h 34m2 stops
$548American Airlines
Find Deal
Sat, Apr 19 - Wed, Apr 23
American Airlines Logo
5:18 pm - 10:40 amPWM-STT
17h 22m2 stops
American Airlines Logo
5:50 pm - 11:24 amSTT-PWM
17h 34m2 stops
$559American Airlines
Find Deal
Sat, Apr 19 - Wed, Apr 23
American Airlines Logo
5:18 pm - 1:05 pmPWM-STT
19h 47m2 stops
American Airlines Logo
3:19 pm - 11:06 pmSTT-PWM
7h 47m1 stop
$569American Airlines
Find Deal
Thu, May 1 - Thu, May 8
 Logo
10:23 am - 10:00 amPWM-STT
23h 37m2 stops
 Logo
10:52 am - 7:27 pmSTT-PWM
32h 35m3 stops
Sat, May 3 - Sat, May 10
 Logo
6:23 pm - 12:14 pmPWM-STT
41h 51m3 stops
 Logo
10:52 am - 7:27 pmSTT-PWM
32h 35m3 stops
Sat, May 3 - Sat, May 10
United Airlines Logo
4:15 pm - 3:43 pmPWM-STT
23h 28m2 stops
United Airlines Logo
2:10 pm - 11:27 pmSTT-PWM
9h 17m1 stop
$829United Airlines
Find Deal
Wed, Apr 30 - Wed, May 7
United Airlines Logo
6:15 am - 3:43 pmPWM-STT
9h 28m1 stop
United Airlines Logo
1:17 pm - 11:31 pmSTT-PWM
34h 14m2 stops
$1,125United Airlines
Find Deal
Wed, Apr 16 - Sat, Apr 26

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 6
PWM6:00 amPortland
8h 48m
2 stops
STT2:48 pmSaint Thomas Island Cyril E King
May 12
STT11:40 amSaint Thomas Island Cyril E King
11h 26m
1 stop
PWM11:06 pmPortland
American Airlines
Apr 19
PWM5:18 pmPortland
17h 22m
2 stops
STT10:40 amSaint Thomas Island Cyril E King
Apr 23
STT5:50 pmSaint Thomas Island Cyril E King
17h 34m
2 stops
PWM11:24 amPortland
American Airlines
Apr 19
PWM5:18 pmPortland
17h 22m
2 stops
STT10:40 amSaint Thomas Island Cyril E King
Apr 23
STT5:50 pmSaint Thomas Island Cyril E King
17h 34m
2 stops
PWM11:24 amPortland

Delta flights from Portland, Maine to Saint Thomas Island

Our best Delta deals on Portland, Maine to Saint Thomas Island flight tickets
Delta
May 3
PWM5:32 amPortland
7h 11m
1 stop
STT12:43 pmSaint Thomas Island Cyril E King
May 10
STT4:20 pmSaint Thomas Island Cyril E King
7h 54m
1 stop
PWM12:14 amPortland
Delta
May 6
PWM5:20 amPortland
9h 45m
1 stop
STT3:05 pmSaint Thomas Island Cyril E King
May 12
STT4:20 pmSaint Thomas Island Cyril E King
7h 54m
1 stop
PWM12:14 amPortland
Delta
May 1
PWM5:20 amPortland
8h 29m
1 stop
STT1:49 pmSaint Thomas Island Cyril E King
May 8
STT4:20 pmSaint Thomas Island Cyril E King
7h 54m
1 stop
PWM12:14 amPortland

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 May is another great option to travel to Saint Thomas Island, with average flight prices from Portland, Maine averaging around $591.

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 Tuesday. momondo users have found tickets for Tuesday departures for as low as $535. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Friday, the most expensive travel day of the week, you can expect to see flight prices from Portland, Maine to Saint Thomas Island for around $791.

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 in the afternoon when flights can be purchased for as low as $555. Flights to Saint Thomas Island are more costly in the morning, with an average ticket price of $657. 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 13 weeks ahead of your departure date. In general, you can expect to find flights to Saint Thomas Island for around $652 when searching 13 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 $529 on momondo.

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

As of April 2025, prices for Portland, Maine to Saint Thomas Island flights are approximately 37% cheaper when compared to flights at the same time last year.

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

Best Price Found

$237

Fastest flight time

6h 53m

Direct flights

None

Airports in Saint Thomas Island

1 airport
The best one-way flight to Saint Thomas Island from Portland, Maine in the past 72 hours is $237. The best round-trip flight deal from Portland, Maine to Saint Thomas Island found on momondo in the last 72 hours is $459.
The fastest flight from Portland, Maine to Saint Thomas Island takes 6h 53m
There are no direct flights from Portland, Maine to Saint Thomas Island. Popular non-direct route for this connection is Portland Airport - Saint Thomas Island Cyril E King Airport.
There is 1 airport near Saint Thomas Island: Saint Thomas Island Cyril E King (STT)

  • 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 53m.

  • 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
DeltaPriceFrom $415Free CancellationRating
8.0
7,897 reviews
Search Delta flights
American AirlinesPriceFrom $439Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $459Free CancellationRating
7.4
8,619 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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