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Cheap flights from Portland to Saint Thomas Island from $420

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 8/20. 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 to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
3:00 pm - 12:53 pm
PDX
-
STT
18h 53m
2 stops
American Airlines Logo
4:42 pm - 11:34 am
STT
-
PDX
21h 52m
2 stops
$420American Airlines
Thu, Aug 20 - Fri, Aug 28
American Airlines Logo
10:59 pm - 5:05 pm
PDX
-
STT
14h 06m
1 stop
American Airlines Logo
6:39 pm - 1:21 pm
STT
-
PDX
22h 42m
2 stops
$425American Airlines
Wed, Jan 13 - Thu, Jan 21
American Airlines Logo
10:55 pm - 3:25 pm
PDX
-
STT
12h 30m
2 stops
American Airlines Logo
2:49 pm - 11:52 pm
STT
-
PDX
13h 03m
1 stop
$440American Airlines
Thu, Dec 3 - Thu, Dec 10
American Airlines Logo
3:00 pm - 12:53 pm
PDX
-
STT
18h 53m
2 stops
American Airlines Logo
3:43 pm - 11:34 am
STT
-
PDX
22h 51m
2 stops
$445American Airlines
Sat, Aug 29 - Sat, Sep 5
American Airlines Logo
3:00 pm - 12:53 pm
PDX
-
STT
18h 53m
2 stops
American Airlines Logo
4:42 pm - 11:34 am
STT
-
PDX
21h 52m
2 stops
$505American Airlines
Thu, Aug 13 - Thu, Aug 20
American Airlines Logo
10:55 pm - 5:05 pm
PDX
-
STT
14h 10m
2 stops
American Airlines Logo
6:39 pm - 1:21 pm
STT
-
PDX
22h 42m
2 stops
$518American Airlines
Wed, Jan 13 - Thu, Jan 21
United Airlines Logo
11:59 pm - 3:20 pm
PDX
-
STT
12h 21m
1 stop
United Airlines Logo
2:00 pm - 11:12 pm
STT
-
PDX
12h 12m
1 stop
$530United Airlines
Sat, Oct 24 - Sat, Oct 31
American Airlines Logo
10:05 pm - 3:02 pm
PDX
-
STT
13h 57m
1 stop
American Airlines Logo
4:42 pm - 12:52 pm
STT
-
PDX
23h 10m
2 stops
$538American Airlines
Sat, Aug 29 - Sat, Sep 5
United Airlines Logo
11:59 pm - 3:20 pm
PDX
-
STT
12h 21m
1 stop
United Airlines Logo
2:00 pm - 11:12 pm
STT
-
PDX
12h 12m
1 stop
$549United Airlines
Sat, Oct 24 - Sat, Oct 31
JetBlue Logo
2:15 pm - 1:59 pm
PDX
-
STT
20h 44m
1 stop
JetBlue Logo
2:49 pm - 1:01 pm
STT
-
PDX
25h 12m
2 stops
$555JetBlue
Thu, Aug 20 - Fri, Aug 28

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United Airlines flights from Portland to Saint Thomas Island

Our best United Airlines deals on Portland to Saint Thomas Island flight tickets
United Airlines
Oct 24
PDX11:59 pmPortland
12h 21m
1 stop
STT3:20 pmSaint Thomas Island Cyril E King
Oct 31
STT2:00 pmSaint Thomas Island Cyril E King
12h 12m
1 stop
PDX11:12 pmPortland
$530
United Airlines
Oct 24
PDX7:29 pmPortland
15h 02m
2 stops
STT1:31 pmSaint Thomas Island Cyril E King
Oct 31
STT2:00 pmSaint Thomas Island Cyril E King
12h 12m
1 stop
PDX11:12 pmPortland
$549
United Airlines
Dec 3
PDX1:39 pmPortland
18h 21m
3 stops
STT12:00 pmSaint Thomas Island Cyril E King
Dec 10
STT1:02 pmSaint Thomas Island Cyril E King
15h 52m
2 stops
PDX12:54 amPortland
$742

American Airlines flights from Portland to Saint Thomas Island

Our best American Airlines deals on Portland to Saint Thomas Island flight tickets
American Airlines
Aug 20
PDX3:00 pmPortland
18h 53m
2 stops
STT12:53 pmSaint Thomas Island Cyril E King
Aug 28
STT4:42 pmSaint Thomas Island Cyril E King
21h 52m
2 stops
PDX11:34 amPortland
$420
American Airlines
Jan 13
PDX10:59 pmPortland
14h 06m
1 stop
STT5:05 pmSaint Thomas Island Cyril E King
Jan 21
STT6:39 pmSaint Thomas Island Cyril E King
22h 42m
2 stops
PDX1:21 pmPortland
$425
American Airlines
Dec 3
PDX10:55 pmPortland
12h 30m
2 stops
STT3:25 pmSaint Thomas Island Cyril E King
Dec 10
STT2:49 pmSaint Thomas Island Cyril E King
13h 03m
1 stop
PDX11:52 pmPortland
$440

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 July 19, 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

Thu 8/20

3:00 pm-12:53 pm

2 stops18h 53m

Saint Thomas Island Cyril E King

Fri 8/28

4:42 pm-11:34 am

2 stops21h 52m

$420

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 1/13

10:59 pm-5:05 pm

1 stop14h 06m

Saint Thomas Island Cyril E King

Thu 1/21

6:39 pm-1:21 pm

2 stops22h 42m

$425

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 12/3

10:55 pm-3:25 pm

2 stops12h 30m

Saint Thomas Island Cyril E King

Thu 12/10

2:49 pm-11:52 pm

1 stop13h 03m

$440

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 8/29

3:00 pm-12:53 pm

2 stops18h 53m

Saint Thomas Island Cyril E King

Sat 9/5

3:43 pm-11:34 am

2 stops22h 51m

$445

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 8/13

3:00 pm-12:53 pm

2 stops18h 53m

Saint Thomas Island Cyril E King

Thu 8/20

4:42 pm-11:34 am

2 stops21h 52m

$505

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 1/13

10:55 pm-5:05 pm

2 stops14h 10m

Saint Thomas Island Cyril E King

Thu 1/21

6:39 pm-1:21 pm

2 stops22h 42m

$518
Quickest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 10/24

11:59 pm-3:20 pm

1 stop12h 21m

Saint Thomas Island Cyril E King

Sat 10/31

2:00 pm-11:12 pm

1 stop12h 12m

$530

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 8/29

10:05 pm-3:02 pm

1 stop13h 57m

Saint Thomas Island Cyril E King

Sat 9/5

4:42 pm-12:52 pm

2 stops23h 10m

$538

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 10/24

11:59 pm-3:20 pm

1 stop12h 21m

Saint Thomas Island Cyril E King

Sat 10/31

2:00 pm-11:12 pm

1 stop12h 12m

$549

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 8/20

2:15 pm-1:59 pm

1 stop20h 44m

Saint Thomas Island Cyril E King

Fri 8/28

2:49 pm-1:01 pm

2 stops25h 12m

$555

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 41% 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 32m

Direct flights

None
The fastest flight from Portland to Saint Thomas Island takes 11h 32m
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 32m.

  • 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
10,006 reviews
Search United Airlines flights
American AirlinesPriceFrom $510Free CancellationRating
7.1
11,820 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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