Cheap flights from Portland to Saint Thomas Island from $236

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 to Saint Thomas Island departing on 3/29. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:28 pm - 11:35 am
PDX
-
STT
17h 07m
2 stops
American Airlines Logo
5:05 pm - 10:18 am
STT
-
PDX
20h 13m
2 stops
$580American Airlines
Mon, Apr 20 - Mon, Apr 27
American Airlines Logo
11:47 pm - 4:15 pm
PDX
-
STT
13h 28m
2 stops
American Airlines Logo
12:25 pm - 11:53 pm
STT
-
PDX
14h 28m
1 stop
$590American Airlines
Mon, Apr 20 - Tue, Apr 28
American Airlines Logo
11:59 pm - 4:02 pm
PDX
-
STT
13h 03m
1 stop
American Airlines Logo
1:15 pm - 9:03 pm
STT
-
PDX
10h 48m
1 stop
$620American Airlines
Fri, Apr 3 - Thu, Apr 9
American Airlines Logo
10:53 pm - 4:29 pm
PDX
-
STT
14h 36m
1 stop
American Airlines Logo
2:05 pm - 11:53 pm
STT
-
PDX
12h 48m
1 stop
$628American Airlines
Wed, Apr 1 - Wed, Apr 8
American Airlines Logo
11:35 pm - 5:29 pm
PDX
-
STT
13h 54m
2 stops
American Airlines Logo
12:02 pm - 12:15 am
STT
-
PDX
15h 13m
2 stops
$645American Airlines
Fri, Mar 6 - Fri, Mar 13
American Airlines Logo
3:28 pm - 11:35 am
PDX
-
STT
17h 07m
2 stops
American Airlines Logo
5:05 pm - 11:01 am
STT
-
PDX
20h 56m
2 stops
$650American Airlines
Mon, Apr 20 - Sun, Apr 26
American Airlines Logo
11:35 pm - 3:47 pm
PDX
-
STT
12h 12m
2 stops
American Airlines Logo
12:02 pm - 12:15 am
STT
-
PDX
15h 13m
2 stops
$655American Airlines
Fri, Mar 6 - Fri, Mar 13
United Airlines Logo
11:15 pm - 1:08 pm
PDX
-
STT
10h 53m
1 stop
United Airlines Logo
1:22 pm - 10:59 pm
STT
-
PDX
12h 37m
1 stop
$670United Airlines
Wed, Apr 22 - Wed, May 6
American Airlines Logo
9:44 pm - 11:06 am
PDX
-
STT
10h 22m
1 stop
American Airlines Logo
1:13 pm - 12:15 am
STT
-
PDX
14h 02m
1 stop
$695American Airlines
Sat, Mar 21 - Wed, Mar 25
American Airlines Logo
9:44 pm - 11:06 am
PDX
-
STT
10h 22m
1 stop
American Airlines Logo
11:46 am - 12:15 am
STT
-
PDX
15h 29m
2 stops
$703American Airlines
Sat, Mar 21 - Wed, Mar 25

American Airlines flights from Portland to Saint Thomas Island

Our best American Airlines deals on Portland to Saint Thomas Island flight tickets
American Airlines
Apr 20
PDX3:28 pmPortland
17h 07m
2 stops
STT11:35 amSaint Thomas Island Cyril E King
Apr 27
STT5:05 pmSaint Thomas Island Cyril E King
20h 13m
2 stops
PDX10:18 amPortland
$580
American Airlines
Apr 20
PDX10:28 pmPortland
11h 47m
1 stop
STT1:15 pmSaint Thomas Island Cyril E King
Apr 27
STT1:15 pmSaint Thomas Island Cyril E King
10h 48m
1 stop
PDX9:03 pmPortland
$590
American Airlines
Apr 3
PDX11:59 pmPortland
13h 03m
1 stop
STT4:02 pmSaint Thomas Island Cyril E King
Apr 9
STT1:15 pmSaint Thomas Island Cyril E King
10h 48m
1 stop
PDX9:03 pmPortland
$620

Delta flights from Portland to Saint Thomas Island

Our best Delta deals on Portland to Saint Thomas Island flight tickets
Delta
Feb 22
PDX3:59 pmPortland
17h 23m
2 stops
STT1:22 pmSaint Thomas Island Cyril E King
Feb 26
STT1:50 pmSaint Thomas Island Cyril E King
12h 18m
1 stop
PDX10:08 pmPortland
$732
Delta
Jun 15
PDX10:05 pmPortland
11h 10m
1 stop
STT12:15 pmSaint Thomas Island Cyril E King
Jun 30
STT4:15 pmSaint Thomas Island Cyril E King
10h 44m
1 stop
PDX11:59 pmPortland
$810
Delta
Jun 15
PDX10:05 pmPortland
11h 10m
1 stop
STT12:15 pmSaint Thomas Island Cyril E King
Jun 30
STT4:15 pmSaint Thomas Island Cyril E King
10h 44m
1 stop
PDX11:59 pmPortland
$825

momondo Fare Finder

 
Customize your flight search to find flights from Portland 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 February 11, 2026.
Use the filters below to find and compare flights from Portland to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/20

3:28 pm-11:35 am

2 stops17h 07m

Saint Thomas Island Cyril E King

Mon 4/27

5:05 pm-10:18 am

2 stops20h 13m

$580

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/20

11:47 pm-4:15 pm

2 stops13h 28m

Saint Thomas Island Cyril E King

Tue 4/28

12:25 pm-11:53 pm

1 stop14h 28m

$590

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 4/3

11:59 pm-4:02 pm

1 stop13h 03m

Saint Thomas Island Cyril E King

Thu 4/9

1:15 pm-9:03 pm

1 stop10h 48m

$620

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 4/1

10:53 pm-4:29 pm

1 stop14h 36m

Saint Thomas Island Cyril E King

Wed 4/8

2:05 pm-11:53 pm

1 stop12h 48m

$628

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 3/6

11:35 pm-5:29 pm

2 stops13h 54m

Saint Thomas Island Cyril E King

Fri 3/13

12:02 pm-12:15 am

2 stops15h 13m

$645

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/20

3:28 pm-11:35 am

2 stops17h 07m

Saint Thomas Island Cyril E King

Sun 4/26

5:05 pm-11:01 am

2 stops20h 56m

$650

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 3/6

11:35 pm-3:47 pm

2 stops12h 12m

Saint Thomas Island Cyril E King

Fri 3/13

12:02 pm-12:15 am

2 stops15h 13m

$655

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 4/22

11:15 pm-1:08 pm

1 stop10h 53m

Saint Thomas Island Cyril E King

Wed 5/6

1:22 pm-10:59 pm

1 stop12h 37m

$670

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 3/21

9:44 pm-11:06 am

1 stop10h 22m

Saint Thomas Island Cyril E King

Wed 3/25

1:13 pm-12:15 am

1 stop14h 02m

$695

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 3/21

9:44 pm-11:06 am

1 stop10h 22m

Saint Thomas Island Cyril E King

Wed 3/25

11:46 am-12:15 am

2 stops15h 29m

$703

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 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 and Saint Thomas Island?

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

The month of August is another great option to travel to Saint Thomas Island, with average flight prices from Portland averaging around $560.

Can stopping save me money on Portland to Saint Thomas Island flights?

You could potentially save up to 3% on your flight if you consider stops on a Portland to Saint Thomas Island flight.

When to book flights from Portland to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Portland 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 to Saint Thomas Island (PDX to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Portland to Saint Thomas Island

Fastest flight time

9h 50m

Direct flights

None
The fastest flight from Portland to Saint Thomas Island takes 9h 50m
There are no direct flights from Portland to Saint Thomas Island. There are no popular flight routes from Portland to Saint Thomas Island.
  • How far is Portland to Saint Thomas Island Cyril E King by plane?

    The distance between Portland and Saint Thomas Island Cyril E King is about 3769.0 mi. In terms of flight time, this usually takes a little over 9h 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 are updated 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?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check 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 required for your trip to Saint Thomas Island Cyril E King Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Saint Thomas Island Cyril E King Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Portland to Saint Thomas Island?

Best airlines flying from Portland to Saint Thomas Island

Compare and see reviews for airlines that fly from Portland to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $213Free CancellationRating
6.3
8,444 reviews
Search Spirit Airlines flights
DeltaPriceFrom $282Free CancellationRating
7.9
8,178 reviews
Search Delta flights
United AirlinesPriceFrom $362Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
American AirlinesPriceFrom $559Free CancellationRating
7.2
11,270 reviews
Search American 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?

Yes. momondo allows you to filter the results for Portland to Saint Thomas Island flights to just show those with flexible booking policies.

How can momondo help me find flights from Portland to Saint Thomas Island?

Once all potential Portland to Saint Thomas Island flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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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1 adult
Fri 3/13
Fri 3/20

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