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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Key West to Saint Thomas Island as you normally would.

Most accurate provider : When it comes to deals on Key West-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 Key West-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Saint Thomas Island flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Key West-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 Key West-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 Key West to Saint Thomas Island that include hotel bookings?

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

How can I find direct flights from Key West 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 Key West to Saint Thomas Island.

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

Yes. Cheapflights offers flight deals from Key West 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.

$245+ Cheap Flights from Key West to Saint Thomas Island

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1. Tell us where you want to go

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Cheap flight deals from Key West to Saint Thomas Island

One-way

One-way flights from Key West to Saint Thomas Island
Search for one-way flight options from Key West to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.

Sun 2/76:26 pm -

2 stops18h 51m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$245

Sun 2/75:51 pm -

2 stops17h 14m

Wed 12/3112:00 am -

Nonstop0h 00m

Deal found 9/3

$759

Find flight deals from Key West to Saint Thomas Island

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars

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

Search Deals

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

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Key WestSaint Thomas Island

EYW Key West - STT Saint Thomas Island Cyril E King

EYWSTT

Key West

Sun 2/7

6:26 pm-2:17 pm

2 stops18h 51m

Saint Thomas Island Cyril E King

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$245

Quickest round-trip

Key WestSaint Thomas Island

EYW Key West - STT Saint Thomas Island Cyril E King

EYWSTT

Key West

Sun 2/7

5:51 pm-12:05 pm

2 stops17h 14m

Saint Thomas Island Cyril E King

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$759

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/7

Sorted by cheapest first

Compare providers for flights from Key West to Saint Thomas Island

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

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
Expedia	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 Key West-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 Key West-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Key West-Saint Thomas Island flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Key West-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 Key West-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 Key West to Saint Thomas Island

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

EYW-STT

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.

Related info for your journey

Can I find deals for flights from Key West to Saint Thomas Island that include hotel bookings?
Yes. In addition to deals on Key West to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Key West 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 Key West to Saint Thomas Island.
Can I find deals for business class flights from Key West to Saint Thomas Island?
Yes. Cheapflights offers flight deals from Key West 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.

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$245+ Cheap flights from Key West (EYW) 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 2/7. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Key West to Saint Thomas Island with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Key West to Saint Thomas Island

One-way flights from Key West to Saint Thomas IslandSearch for one-way flight options from Key West to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.

Search for one-way flight options from Key West to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.

Find flight deals from Key West to Saint Thomas Island

Most accurate provider

Most trusted provider

Cheapflights Fare Finder

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

Compare providers for flights from Key West 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 Key West to Saint Thomas Island in September.

Best time to book a flight from Key West to Saint Thomas Island

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

Related info for your journey

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

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

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

Traveling to a place near Saint Thomas Island?

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Alternative routes for Key West to Saint Thomas Island

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Complete your trip

Complete your trip to Saint Thomas Island by adding a car rental and/or hotel reservation to your travel itinerary.

Search flights from Key West to Saint Thomas Island by cabin class

Find flights from Key West to Saint Thomas Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Key West and Saint Thomas Island flights

Browse other Key West and Saint Thomas Island flight options. Last updated on September 8, 2026.

Other flights from Key West

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One-way flights from Key West to Saint Thomas Island
Search for one-way flight options from Key West to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated September 8, 2026.