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Cheap flights from Portland to Saint Thomas Island from $631

This is the cheapest round-trip 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 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.
1 adult
0 bags

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Find the cheapest flights from Portland to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:40 pm - 5:00 pm
PDX
-
STT
14h 20m
2 stops
United Airlines Logo
1:22 pm - 10:48 pm
STT
-
PDX
12h 26m
1 stop
$631United Airlines
Fri, Jun 5 - Mon, Jun 8
United Airlines Logo
11:55 pm - 1:30 pm
PDX
-
STT
10h 35m
1 stop
United Airlines Logo
12:02 pm - 8:25 pm
STT
-
PDX
11h 23m
1 stop
$635United Airlines
Sat, Oct 24 - Sat, Oct 31
JetBlue Logo
11:27 pm - 2:03 pm
PDX
-
STT
11h 36m
1 stop
JetBlue Logo
2:58 pm - 1:04 pm
STT
-
PDX
25h 06m
2 stops
$648JetBlue
Mon, Jul 13 - Tue, Jul 21
United Airlines Logo
11:30 pm - 3:18 pm
PDX
-
STT
12h 48m
1 stop
United Airlines Logo
4:25 pm - 10:21 am
STT
-
PDX
20h 56m
1 stop
$661United Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
11:15 pm - 4:00 pm
PDX
-
STT
13h 45m
2 stops
American Airlines Logo
4:46 pm - 11:55 pm
STT
-
PDX
10h 09m
1 stop
$670American Airlines
Tue, Jul 14 - Thu, Jul 23
American Airlines Logo
10:59 pm - 4:00 pm
PDX
-
STT
14h 01m
2 stops
American Airlines Logo
1:49 pm - 12:55 am
STT
-
PDX
14h 06m
2 stops
$675American Airlines
Wed, Jul 1 - Mon, Jul 13
United Airlines Logo
11:30 pm - 12:58 pm
PDX
-
STT
10h 28m
1 stop
United Airlines Logo
1:22 pm - 10:48 pm
STT
-
PDX
12h 26m
1 stop
$714United Airlines
Fri, Jun 5 - Mon, Jun 8
United Airlines Logo
11:59 pm - 3:43 pm
PDX
-
STT
12h 44m
1 stop
United Airlines Logo
1:22 pm - 10:48 pm
STT
-
PDX
12h 26m
1 stop
$717United Airlines
Sat, Jul 11 - Wed, Jul 22
JetBlue Logo
11:27 pm - 2:03 pm
PDX
-
STT
11h 36m
1 stop
JetBlue Logo
2:58 pm - 1:04 pm
STT
-
PDX
25h 06m
2 stops
$718JetBlue
Mon, Aug 3 - Tue, Aug 11
American Airlines Logo
11:15 pm - 4:00 pm
PDX
-
STT
13h 45m
2 stops
American Airlines Logo
11:43 am - 12:04 am
STT
-
PDX
15h 21m
2 stops
$752American Airlines
Tue, Jul 14 - Thu, Jul 23

United Airlines flights from Portland to Saint Thomas Island

Our best United Airlines deals on Portland to Saint Thomas Island flight tickets
United Airlines
Jun 5
PDX11:40 pmPortland
14h 20m
2 stops
STT5:00 pmSaint Thomas Island Cyril E King
Jun 8
STT1:22 pmSaint Thomas Island Cyril E King
12h 26m
1 stop
PDX10:48 pmPortland
$631
United Airlines
Oct 24
PDX11:55 pmPortland
10h 35m
1 stop
STT1:30 pmSaint Thomas Island Cyril E King
Oct 31
STT12:02 pmSaint Thomas Island Cyril E King
11h 23m
1 stop
PDX8:25 pmPortland
$635
United Airlines
Oct 24
PDX11:30 pmPortland
12h 48m
1 stop
STT3:18 pmSaint Thomas Island Cyril E King
Oct 31
STT4:25 pmSaint Thomas Island Cyril E King
20h 56m
1 stop
PDX10:21 amPortland
$661

JetBlue flights from Portland to Saint Thomas Island

Our best JetBlue deals on Portland to Saint Thomas Island flight tickets
JetBlue
Jul 13
PDX11:27 pmPortland
11h 36m
1 stop
STT2:03 pmSaint Thomas Island Cyril E King
Jul 21
STT2:58 pmSaint Thomas Island Cyril E King
25h 06m
2 stops
PDX1:04 pmPortland
$648
JetBlue
Aug 3
PDX11:27 pmPortland
11h 36m
1 stop
STT2:03 pmSaint Thomas Island Cyril E King
Aug 11
STT2:58 pmSaint Thomas Island Cyril E King
25h 06m
2 stops
PDX1:04 pmPortland
$718
JetBlue
Jun 11
PDX2:20 pmPortland
21h 15m
1 stop
STT2:35 pmSaint Thomas Island Cyril E King
Jun 18
STT4:07 pmSaint Thomas Island Cyril E King
33h 27m
2 stops
PDX10:34 pmPortland
$892

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 May 18, 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

Cheapest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 6/5

11:40 pm-5:00 pm

2 stops14h 20m

Saint Thomas Island Cyril E King

Mon 6/8

1:22 pm-10:48 pm

1 stop12h 26m

$631
Quickest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 10/24

11:55 pm-1:30 pm

1 stop10h 35m

Saint Thomas Island Cyril E King

Sat 10/31

12:02 pm-8:25 pm

1 stop11h 23m

$635

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 7/13

11:27 pm-2:03 pm

1 stop11h 36m

Saint Thomas Island Cyril E King

Tue 7/21

2:58 pm-1:04 pm

2 stops25h 06m

$648

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 10/24

11:30 pm-3:18 pm

1 stop12h 48m

Saint Thomas Island Cyril E King

Sat 10/31

4:25 pm-10:21 am

1 stop20h 56m

$661

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 7/14

11:15 pm-4:00 pm

2 stops13h 45m

Saint Thomas Island Cyril E King

Thu 7/23

4:46 pm-11:55 pm

1 stop10h 09m

$670

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 7/1

10:59 pm-4:00 pm

2 stops14h 01m

Saint Thomas Island Cyril E King

Mon 7/13

1:49 pm-12:55 am

2 stops14h 06m

$675

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 6/5

11:30 pm-12:58 pm

1 stop10h 28m

Saint Thomas Island Cyril E King

Mon 6/8

1:22 pm-10:48 pm

1 stop12h 26m

$714

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 7/11

11:59 pm-3:43 pm

1 stop12h 44m

Saint Thomas Island Cyril E King

Wed 7/22

1:22 pm-10:48 pm

1 stop12h 26m

$717

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 8/3

11:27 pm-2:03 pm

1 stop11h 36m

Saint Thomas Island Cyril E King

Tue 8/11

2:58 pm-1:04 pm

2 stops25h 06m

$718

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 7/14

11:15 pm-4:00 pm

2 stops13h 45m

Saint Thomas Island Cyril E King

Thu 7/23

11:43 am-12:04 am

2 stops15h 21m

$752

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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 15% 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

11h 36m

Direct flights

None
The fastest flight from Portland to Saint Thomas Island takes 11h 36m
There are no direct flights from Portland to Saint Thomas Island. There are no popular flight routes from Portland to Saint Thomas Island.
Search flight deals

Frequently asked questions about flying 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 11h 36m.

  • 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
United AirlinesPriceFrom $508Free CancellationRating
7.4
9,737 reviews
Search United Airlines flights
American AirlinesPriceFrom $520Free CancellationRating
7.1
11,648 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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