$262+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
EYW — STT
Nov 21 — Nov 281
Round-trip
1 adult, Economy
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Find cheap flights from Key West to Saint Thomas Island with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Key West to Saint Thomas Island
Cheapest
Best
Last-minute
One-way
Cheapest flights from Key West to Saint Thomas IslandExplore the most affordable flight options available from Key West to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
Explore the most affordable flight options available from Key West to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:18 am -
1 stop4h 45m
Wed 11/184:53 pm -
2 stops20h 44m
Deal found 10/21![American Airlines logo]()
$561
Best flights from Key West to Saint Thomas IslandDiscover carefully curated flight deals from Key West to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
Discover carefully curated flight deals from Key West to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 22, 2026.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:57 pm -
1 stop15h 19m
Wed 11/184:53 pm -
2 stops20h 44m
Deal found 10/21![American Airlines logo]()
$561
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:18 am -
1 stop4h 45m
Wed 11/184:53 pm -
2 stops20h 44m
Deal found 10/21![American Airlines logo]()
$561
Last-minute flights from Key West to Saint Thomas IslandDiscover last-minute flight deals from Key West to Saint Thomas Island. Data last updated October 22, 2026 and is based on user searches.
Discover last-minute flight deals from Key West to Saint Thomas Island. Data last updated October 22, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:18 am -
1 stop4h 45m
Wed 11/184:53 pm -
2 stops20h 44m
Deal found 10/21![American Airlines logo]()
$561
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 October 22, 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 October 22, 2026.
This Kiwi.com deal was found by Cheapflights users on 10/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/231:16 pm -
1 stop24h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/18![Breeze Airways logo]()
$262
This American Airlines deal was found by Cheapflights users on 10/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/77:50 pm -
1 stop15h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/21![American Airlines logo]()
$265
Find flight deals from Key West to Saint Thomas Island
Discover tips and strategies to find the most affordable flight options for your journey from Key West (EYW) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 22, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $561 (American Airlines) |
One-way from | $262 (Kiwi.com) |
Cheapflights Fare Finder
Customize your flight search to find flights from Key West 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, Cheapflights users made 7,457,451 searches. Data last updated October 22, 2026.
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
Cheapest round-trip
Key WestSaint Thomas Island
EYW Key West - STT Saint Thomas Island Cyril E King
EYWSTT
Key West
Tue 3/23
7:22 pm-1:19 pm
2 stops17h 57m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$265
Quickest round-trip
Key WestSaint Thomas Island
EYW Key West - STT Saint Thomas Island Cyril E King
EYWSTT
Key West
Sun 2/7
7:50 pm-12:24 pm
1 stop15h 34m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$265
Key WestSaint Thomas Island
EYW Key West - STT Saint Thomas Island Cyril E King
EYWSTT
Key West
Tue 3/23
10:59 am-1:50 pm
3 stops26h 51m
Saint Thomas Island Cyril E King
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$486
Key WestSaint Thomas Island
EYW Key West - STT Saint Thomas Island Cyril E King
EYWSTT
Key West
Fri 11/13
7:57 pm-12:16 pm
1 stop15h 19m
Saint Thomas Island Cyril E King
Wed 11/18
4:53 pm-12:37 pm
2 stops20h 44m
$561
Key WestSaint Thomas Island
EYW Key West - STT Saint Thomas Island Cyril E King
EYWSTT
Key West
Thu 11/12
10:18 am-4:03 pm
1 stop4h 45m
Saint Thomas Island Cyril E King
Wed 11/18
4:53 pm-12:37 pm
2 stops20h 44m
$561
Sorted by cheapest first
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 October.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy1 star | Trust Score*3 stars |
- 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
Find useful and relevant information for your journey from Key West 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.
Traveling to a place near Saint Thomas Island?
Book flights to Saint Thomas Island if you plan to visit one of these locationsSt. John
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