$785 Cheap Flights from Reykjavik (KEF) to St. Thomas (STT)

View $785 flight on Wed, Mar 18, 2026Opens in a new window

Popular airlines from Reykjavik–Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT)

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Cheap Flights from Reykjavik to St. Thomas (KEF-STT)

Prices were available within the past 7 days and start at $785 for one-way flights and $1,315 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,315 Roundtrip, found 1 day ago
$1,315
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,315 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,320 Roundtrip, found 1 day ago
$1,320
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,320 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,335 Roundtrip, found 1 day ago
$1,335
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,335 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,354 Roundtrip, found 1 day ago
$1,354
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,354 found 1 day ago
American Airlines
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,354 Roundtrip, found 1 day ago
$1,354
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,354 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,360 Roundtrip, found 1 day ago
$1,360
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,360 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,367 Roundtrip, found 1 day ago
$1,367
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,367 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,373 Roundtrip, found 1 day ago
$1,373
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,373 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,377 Roundtrip, found 1 day ago
$1,377
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,377 found 1 day ago
British Airways
Wed, Nov 19 - Wed, Nov 26
KEF
Reykjavik
STT
St. Thomas
$1,380 Roundtrip, found 1 day ago
$1,380
Roundtrip
found 1 day ago
Select British Airways flight, departing Wed, Nov 19 from Reykjavik to St. Thomas, returning Wed, Nov 26, priced at $1,380 found 1 day ago
Flights from Reykjavik (KEF) to St. Thomas (STT)
Origin airport
Keflavik Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, British Airways
Roundtrip price
$1,314
Distance
3718 mi

Frequently asked questions

How much does a flight from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT) cost?
Discover the latest flight deals from KEF to STT by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from KEF to STT?
The cheapest flights from KEF to STT are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
What is the cheapest airline that flies from KEF to STT?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from KEF to STT. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT)?
There aren't any daily nonstop flights available from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from KEF to STT?
Usually you'll have the most choice when it comes to flights on a Friday. Tuesdays tend to be the quietest.* But this can change depending on the time of year, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT)?
Book a flight from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT) that takes off before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT) last-minute?
Last-minute bookings from KEF to STT are generally more expensive. To secure the best rates, start looking for flights ahead of time. That being said, if you can play around with your travel dates, it's possible to find a cheap fare right before your trip.
Is it cheaper to book a KEF to STT flight and hotel package?
Opting for a KEF to STT flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip in one place. Choose from our extensive range of hotels and then add car rentals, flights and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Keflavik Intl. Airport (KEF) to Cyril E. King Airport (STT)?
If you reserved your KEF to STT flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

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*Available to One Key members.