What airlines fly to Saint Thomas Island?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from Portland according to our data. American Airlines is the first choice among our users, with 82% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 3 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Portland to Saint Thomas Island Cyril E King?

United Airlines and Delta are the most popular carriers operating from Portland to Saint Thomas Island Cyril E King

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?

As of March 2026, there are 2 operators available to choose from 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.

$223 Cheap Flights from Portland to Saint Thomas Island in 2026

Q: What is the typical price of a round-trip flight between Portland and Saint Thomas Island?

Prices are currently low for flights on this route. Typical prices usually range from $826 to $527. The lowest price recently found on this route was $400.

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Portland to Saint Thomas Island

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:40 pm - 4:15 pm

PDX

STT

13h 35m

2 stops

1:15 pm - 10:47 pm

STT

PDX

12h 32m

2 stops

$400American Airlines

Tue, May 5 - Tue, May 12

11:15 pm - 1:08 pm

PDX

STT

10h 53m

1 stop

1:22 pm - 9:59 pm

STT

PDX

11h 37m

1 stop

$425United Airlines

Mon, Apr 6 - Tue, Apr 21

5:35 pm - 12:20 pm

PDX

STT

15h 45m

2 stops

2:10 pm - 10:34 pm

STT

PDX

11h 24m

1 stop

$441United Airlines

Tue, Apr 21 - Tue, Apr 28

7:14 pm - 3:43 pm

PDX

STT

17h 29m

2 stops

2:10 pm - 10:34 pm

STT

PDX

11h 24m

1 stop

$478United Airlines

Fri, Apr 24 - Tue, Apr 28

7:14 pm - 3:31 pm

PDX

STT

17h 17m

2 stops

1:22 pm - 9:59 pm

STT

PDX

11h 37m

1 stop

$490United Airlines

Mon, Apr 20 - Wed, Apr 22

11:59 pm - 3:31 pm

PDX

STT

12h 32m

1 stop

2:10 pm - 10:34 pm

STT

PDX

11h 24m

1 stop

$500United Airlines

Mon, Apr 20 - Thu, Apr 23

11:47 pm - 4:15 pm

PDX

STT

13h 28m

2 stops

5:05 pm - 11:01 am

STT

PDX

20h 56m

2 stops

$525American Airlines

Tue, Apr 21 - Tue, Apr 28

10:28 pm - 4:15 pm

PDX

STT

14h 47m

1 stop

5:05 pm - 11:01 am

STT

PDX

20h 56m

2 stops

$530American Airlines

Wed, Apr 29 - Mon, May 4

12:59 am - 4:15 pm

PDX

STT

12h 16m

2 stops

5:05 pm - 11:01 am

STT

PDX

20h 56m

2 stops

$559American Airlines

Mon, Apr 27 - Mon, May 4

5:02 pm - 11:38 am

PDX

STT

15h 36m

2 stops

1:55 pm - 10:08 pm

STT

PDX

11h 13m

1 stop

$563Delta

Wed, Apr 1 - Wed, Apr 8

United Airlines flights from Portland to Saint Thomas Island

Our best United Airlines deals on Portland to Saint Thomas Island flight tickets

United Airlines

Apr 6

PDX5:35 pmPortland

15h 45m

2 stops

STT12:20 pmSaint Thomas Island Cyril E King

Apr 21

STT2:10 pmSaint Thomas Island Cyril E King

11h 24m

1 stop

PDX10:34 pmPortland

$425

United Airlines

Apr 27

PDX11:15 pmPortland

10h 53m

1 stop

STT1:08 pmSaint Thomas Island Cyril E King

May 2

STT1:22 pmSaint Thomas Island Cyril E King

12h 37m

1 stop

PDX10:59 pmPortland

$455

United Airlines

Apr 20

PDX11:59 pmPortland

12h 32m

1 stop

STT3:31 pmSaint Thomas Island Cyril E King

Apr 22

STT2:10 pmSaint Thomas Island Cyril E King

11h 24m

1 stop

PDX10:34 pmPortland

$490

Southwest flights from Portland to Saint Thomas Island

Our best Southwest deals on Portland to Saint Thomas Island flight tickets

Southwest

Aug 9

PDX1:20 pmPortland

21h 30m

2 stops

STT1:50 pmSaint Thomas Island Cyril E King

Aug 16

STT2:10 pmSaint Thomas Island Cyril E King

12h 55m

2 stops

PDX12:05 amPortland

$644

Southwest

Mar 31

PDX6:00 pmPortland

17h 20m

2 stops

STT2:20 pmSaint Thomas Island Cyril E King

Apr 2

STT1:50 pmSaint Thomas Island Cyril E King

13h 55m

2 stops

PDX12:45 amPortland

$718

Southwest

Jun 15

PDX7:40 pmPortland

15h 05m

2 stops

STT1:45 pmSaint Thomas Island Cyril E King

Jun 22

STT2:45 pmSaint Thomas Island Cyril E King

13h 35m

2 stops

PDX1:20 amPortland

$720

momondo Fare Finder

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

Tue 5/5

11:40 pm-4:15 pm

2 stops13h 35m

Saint Thomas Island Cyril E King

Tue 5/12

1:15 pm-10:47 pm

2 stops12h 32m

$400

Quickest round-trip

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/6

11:15 pm-1:08 pm

1 stop10h 53m

Saint Thomas Island Cyril E King

Tue 4/21

1:22 pm-9:59 pm

1 stop11h 37m

$425

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 4/21

5:35 pm-12:20 pm

2 stops15h 45m

Saint Thomas Island Cyril E King

Tue 4/28

2:10 pm-10:34 pm

1 stop11h 24m

$441

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 4/24

7:14 pm-3:43 pm

2 stops17h 29m

Saint Thomas Island Cyril E King

Tue 4/28

2:10 pm-10:34 pm

1 stop11h 24m

$478

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/20

7:14 pm-3:31 pm

2 stops17h 17m

Saint Thomas Island Cyril E King

Wed 4/22

1:22 pm-9:59 pm

1 stop11h 37m

$490

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/20

11:59 pm-3:31 pm

1 stop12h 32m

Saint Thomas Island Cyril E King

Thu 4/23

2:10 pm-10:34 pm

1 stop11h 24m

$500

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 4/21

11:47 pm-4:15 pm

2 stops13h 28m

Saint Thomas Island Cyril E King

Tue 4/28

5:05 pm-11:01 am

2 stops20h 56m

$525

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 4/29

10:28 pm-4:15 pm

1 stop14h 47m

Saint Thomas Island Cyril E King

Mon 5/4

5:05 pm-11:01 am

2 stops20h 56m

$530

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 4/27

12:59 am-4:15 pm

2 stops12h 16m

Saint Thomas Island Cyril E King

Mon 5/4

5:05 pm-11:01 am

2 stops20h 56m

$559

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Wed 4/1

5:02 pm-11:38 am

2 stops15h 36m

Saint Thomas Island Cyril E King

Wed 4/8

1:55 pm-10:08 pm

1 stop11h 13m

$563

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 resultsSorted by cheapest first

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

Prices

Airlines

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 February is another great option to travel to Saint Thomas Island, with average flight prices from Portland averaging around $559.

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

You could potentially save up to 37% 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	10h 53m
Direct flights	None

The fastest flight from Portland to Saint Thomas Island takes 10h 53m

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

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 10h 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 are updated daily.
How many operators does momondo search for flights from Portland Airport to Saint Thomas Island Cyril E King Airport?
As of March 2026, there are 2 operators available to choose from 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?
Based on momondo bookings for flights between Portland and Saint Thomas Island, the leading airline is American Airlines, making up 88% of the total bookings. Other popular airlines include United Airlines with 12%.

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 Airlines	PriceFrom $508	Free Cancellation	Rating 7.4 9,514 reviews		Search United Airlines flights
American Airlines	PriceFrom $535	Free Cancellation	Rating 7.1 11,530 reviews		Search American Airlines flights

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.

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Wed 4/29

Wed 5/6

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the U.S. Virgin Islands

Nearby airports

Airlines

Cabin classes

Other flights from Portland

Complete your trip

Feeling lucky

Airports servicing U.S. Virgin Islands

Saint Croix Airport

Cheap flights from Portland to Saint Thomas Island from $223

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 4/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Portland to Saint Thomas Island

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

United Airlines flights from Portland to Saint Thomas Island

Our best United Airlines deals on Portland to Saint Thomas Island flight tickets

Southwest flights from Portland to Saint Thomas Island

Our best Southwest deals on Portland to Saint Thomas Island flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Portland to Saint Thomas Island that are best for you.

See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Portland to Saint Thomas Island

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?

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

What is the cheapest airline that flies from Portland to Saint Thomas Island Cyril E King?

What airlines fly to Saint Thomas Island?

When to book flights from Portland to Saint Thomas Island

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

Direct flights

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

Traveling to a place near Saint Thomas Island?

Why use momondo?

An easier way to manage your Saint Thomas Island trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the U.S. Virgin Islands

Airports servicing U.S. Virgin Islands

Fly your favorite airline to Saint Thomas Island

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Saint Thomas Island

List of cabin classes available on flights landing in Saint Thomas Island. Availability may vary depending on flight origin and airline.

Fly to other destinations from Portland

According to popular flight searches on momondo this year

Complete your trip to Saint Thomas Island

Explore popular destinations other users love

According to popular flight searches on momondo this year