What are the cheapest airlines flying from Portland to Saint Thomas Island round-trip?

Flying on Spirit Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $217. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $499 and $535, respectively. Spirit Airlines is priced at 69% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Portland to Saint Thomas Island?

Travelers seeking maximum savings on their Portland to Saint Thomas Island flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What are the most popular airlines that fly from Portland to Saint Thomas Island?

Consider American Airlines, Delta or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Portland to Saint Thomas Island.

What is the cheapest day to fly round-trip from Portland to Saint Thomas Island?

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 42% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Portland to Saint Thomas Island?

Find a great deal and save up to 211% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Portland to Saint Thomas Island within the next two weeks, with the cheapest ticket starting at $388.

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

Our data shows that August tends to be the cheapest month to fly to Saint Thomas Island from Portland. Users have commonly found prices around $716 for the month, but tickets can be as low as $273. Due to multiple factors, prepare for potentially higher prices in June.

Most accurate provider : When it comes to deals on Portland-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Portland-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Can I find deals for flights from Portland to Saint Thomas Island that include hotel bookings?

Yes. In addition to deals on Portland to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Portland to Saint Thomas Island?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Saint Thomas Island.

Can I find deals for business class flights from Portland to Saint Thomas Island?

Yes. Cheapflights offers flight deals from Portland to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$217+ Flights from Portland to Saint Thomas Island

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1. Tell us where you want to go

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The best prices from Portland to Saint Thomas Island Cyril E King are usually found in August or September, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Portland to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$217 (Booking.com)
Popular in	June
Cheapest in	August
Average price	$723

Provider with most accurate pricing for Portland-Saint Thomas Island Cyril E King flight deals.

Search Deals

Provider most trusted by Cheapflights users for Portland-Saint Thomas Island Cyril E King flights.

Search Deals

From Portland to Saint Thomas Island Cyril E King

Search Deals

Highest demand for flights based on searches. 9% potential increase in price ($73 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in February 2025

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Find flight deals from Portland to Saint Thomas Island

Cheapest flights from Portland to Saint Thomas Island
Explore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2025.

Thu 4/36:50 pmPDX - STT

2 stops15h 10mSpirit Airlines

Tue 4/81:55 pmSTT - PDX

2 stops21h 27mSpirit Airlines

Deal found 2/19

$236

Mon 5/510:24 pmPDX - STT

1 stop14h 48mAmerican Airlines

Mon 5/123:40 pmSTT - PDX

1 stop10h 28mAmerican Airlines

Deal found 2/18

$499

Fri 4/2512:50 amPDX - STT

2 stops11h 15mDelta

Wed 5/142:43 pmSTT - PDX

1 stop10h 44mDelta

Deal found 2/19

$584

Thu 3/137:07 pmPDX - STT

2 stops12h 53mUnited Airlines

Tue 3/1812:05 pmSTT - PDX

1 stop10h 55mUnited Airlines

Deal found 2/19

$589

Tue 4/151:39 pmPDX - STT

3 stops20h 22mMultiple Airlines

Tue 4/228:39 amSTT - PDX

2 stops17h 35mMultiple Airlines

Deal found 2/19

$1,090

Best flights from Portland to Saint Thomas Island
Discover carefully curated flight deals from Portland to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 19, 2025.

Tue 3/187:32 pmPDX - STT

2 stops14h 28mSpirit Airlines

Tue 3/251:55 pmSTT - PDX

2 stops23h 25mSpirit Airlines

Deal found 2/18

$217

Wed 3/125:57 pmPDX - STT

2 stops14h 38mAmerican Airlines

Tue 3/1812:25 pmSTT - PDX

1 stop13h 46mAmerican Airlines

Deal found 2/18

$499

Tue 3/1811:38 pmPDX - STT

1 stop10h 18mUnited Airlines

Tue 3/2512:05 pmSTT - PDX

1 stop10h 55mUnited Airlines

Deal found 2/18

$535

Fri 4/2512:50 amPDX - STT

2 stops11h 15mDelta

Wed 5/142:43 pmSTT - PDX

1 stop10h 44mDelta

Deal found 2/18

$584

Tue 4/151:39 pmPDX - STT

3 stops20h 22mMultiple Airlines

Tue 4/228:39 amSTT - PDX

2 stops17h 35mMultiple Airlines

Deal found 2/19

$1,090

Last-minute flights from Portland to Saint Thomas Island
Discover last-minute flight deals from Portland to Saint Thomas Island. Data last updated February 19, 2025 and is based on user searches.

Sat 2/2210:55 pmPDX - STT

1 stop9h 32mAmerican Airlines

Mon 3/31:23 pmSTT - PDX

1 stop14h 35mAmerican Airlines

Deal found 2/19

$901

Tue 2/2510:16 amPDX - STT

2 stops23h 22mSpirit Airlines

Mon 3/311:41 amSTT - PDX

2 stops53h 57mSpirit Airlines

Deal found 2/19

$652

Tue 2/255:15 pmPDX - STT

2 stops16h 25mDelta

Mon 3/32:55 pmSTT - PDX

1 stop10h 58mDelta

Deal found 2/19

$793

Tue 2/257:42 pmPDX - STT

2 stops14h 14mUnited Airlines

Mon 3/32:15 pmSTT - PDX

3 stops26h 17mUnited Airlines

Deal found 2/19

$1,113

Thu 3/137:07 pmPDX - STT

2 stops12h 53mUnited Airlines

Tue 3/1812:05 pmSTT - PDX

1 stop10h 55mUnited Airlines

Deal found 2/19

$589

Tue 3/187:32 pmPDX - STT

2 stops11h 34mSpirit Airlines

Tue 3/251:55 pmSTT - PDX

2 stops23h 25mSpirit Airlines

Deal found 2/19

$247

Mon 3/3110:19 pmPDX - STT

1 stop10h 16mAmerican Airlines

Tue 4/812:55 pmSTT - PDX

2 stops13h 07mAmerican Airlines

Deal found 2/18

$629

One-way flights from Portland to Saint Thomas Island
Search for one-way flight options from Portland to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated February 19, 2025.

Sat 6/2811:04 pmPDX - STT

1 stop14h 31mAmerican Airlines

Deal found 2/18

$368

Sat 6/286:43 pmPDX - STT

3 stops15h 25mUnited Airlines

Deal found 2/18

$708

Find flights from Portland to Saint Thomas Island within your budget

Fly from

Fly to

Route

Depart

Return

Price

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 4/3

6:50 pm-1:00 pm

2 stops15h 10m

Saint Thomas Island Cyril E King

Tue 4/8

1:55 pm-8:22 am

2 stops21h 27m

$236

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Mon 5/5

10:24 pm-4:12 pm

1 stop14h 48m

Saint Thomas Island Cyril E King

Mon 5/12

3:40 pm-11:08 pm

1 stop10h 28m

$499

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Fri 4/25

12:50 am-3:05 pm

2 stops11h 15m

Saint Thomas Island Cyril E King

Wed 5/14

2:43 pm-10:27 pm

1 stop10h 44m

$584

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Thu 3/13

7:07 pm-11:00 am

2 stops12h 53m

Saint Thomas Island Cyril E King

Tue 3/18

12:05 pm-8:00 pm

1 stop10h 55m

$589

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Tue 4/15

1:39 pm-1:01 pm

3 stops20h 22m

Saint Thomas Island Cyril E King

Tue 4/22

8:39 am-11:14 pm

2 stops17h 35m

$1,090

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 6/28

11:04 pm-4:35 pm

1 stop14h 31m

$368

PortlandSaint Thomas Island

PDX - STT

PDXSTT

Portland

Sat 6/28

6:43 pm-1:08 pm

3 stops15h 25m

$708

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Compare providers for flights from Portland to Saint Thomas Island

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Saint Thomas Island in February.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy3 stars	Trust Score*1 star
CheapOair	Price Accuracy1 star	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Portland-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Portland-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Portland-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Portland-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Portland-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Portland to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Portland with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Portland to Saint Thomas Island

Get recent, data-driven insights about flights from Portland to Saint Thomas Island including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to Saint Thomas Island?

The price you pay for your flight from Portland to Saint Thomas Island may vary depending on when you book. For the best chance of a lower fare, look to book 40 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Portland to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Portland to Saint Thomas Island (average of $433). Flying from Portland to Saint Thomas Island in June is currently the most expensive (average of $657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PDX to STT?

When flying from Portland to Saint Thomas Island, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 45% versus a flight in the evening.

Reviews of airlines servicing Saint Thomas Island

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Portland to Saint Thomas Island by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

8,236 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta

8.0

Very good

8,236 reviews

Delta

8.0

Very good

8,236 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines

7.4

Good

8,769 reviews

Delta

8.0

Very good

8,236 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

8,236 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Spirit Airlines

6.3

Okay

8,018 reviews

Delta

8.0

Very good

8,236 reviews

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

What are the cheapest airlines flying from Portland to Saint Thomas Island round-trip?
Flying on Spirit Airlines is currently your cheapest option to Saint Thomas Island, with prices starting at $217. Additional round-trip tickets that might be worth considering are offered by American Airlines and United Airlines, with the lowest prices starting at $499 and $535, respectively. Spirit Airlines is priced at 69% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Portland to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Portland to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Portland to Saint Thomas Island?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Saint Thomas Island.
Can I find deals for business class flights from Portland to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Portland to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Portland to Saint Thomas Island?
Currently, September is the cheapest month in which you can book a flight from Portland to Saint Thomas Island (average of $433). Flying from Portland to Saint Thomas Island in June is currently the most expensive (average of $657). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

St. John

Browse thousands of different options on Cheapflights for your next trip

Top 4 airlines flying from Portland to Saint Thomas Island

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$213	Average$382	FlexibilityNo cancel fee	On-time65%
United Airlines	Cheapest$281	Average$640	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$437	Average$721	FlexibilityNo cancel fee	On-timeN/A
American Airlines	Cheapest$447	Average$715	FlexibilityNo cancel fee	On-time71%

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$217+ Cheap flights from Portland (PDX) to Saint Thomas Island (STT)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/18. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Portland to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

The best prices from Portland to Saint Thomas Island Cyril E King are usually found in August or September, booked 40 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Portland to Saint Thomas Island

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Portland to Saint Thomas Island

Cheapest flights from Portland to Saint Thomas IslandExplore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2025.

Explore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2025.

Find flights from Portland to Saint Thomas Island within your budget

Compare providers for flights from Portland to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Portland to Saint Thomas Island in February.

Best time to book a flight from Portland to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Portland with our price prediction graph.

Travel insights for flights from Portland to Saint Thomas Island

Get recent, data-driven insights about flights from Portland to Saint Thomas Island including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Portland to Saint Thomas Island?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Saint Thomas Island. Price data was last updated on February 14, 2025.

What is the cheapest month to book a flight from Portland to Saint Thomas Island?

What is the cheapest time of day to fly from PDX to STT?

Find hourly flight availability from Portland to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 19, 2025.

Reviews of airlines servicing Saint Thomas Island

Get a feel of what it's like to fly with Delta, United Airlines and American Airlines from Portland to Saint Thomas Island by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Portland to Saint Thomas Island. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines flying from Portland to Saint Thomas Island round-trip?

Can I find deals for flights from Portland to Saint Thomas Island that include hotel bookings?

How can I find direct flights from Portland to Saint Thomas Island?

Can I find deals for business class flights from Portland to Saint Thomas Island?

What is the cheapest month to book a flight from Portland to Saint Thomas Island?

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Top 4 airlines flying from Portland to Saint Thomas Island

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Cheapest flights from Portland to Saint Thomas Island
Explore the most affordable flight options available from Portland to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2025.