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154 € Cheap Flights from Boston to Cyril E. King

Compare Boston to Cyril E. King flight deals

Find the cheapest month or even day of the year to fly to Cyril E. King

Book the best Cyril E. King fare with no extra fees

Flight deals from Boston to Cyril E. King Airport

Looking for a cheap last-minute deal or the best return flight from Boston to Cyril E. King Airport? If you want to travel next month, return fares start from 156 €. Find the lowest prices on one-way and return tickets right here.
Saint Thomas.154 € per passenger.Departing Wed, 25 Mar, returning Tue, 7 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Wed, 25 Mar, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Tue, 7 Apr, arriving in Boston Logan International.Price includes taxes and charges.From 154 €, select.
Saint Thomas.155 € per passenger.Departing Wed, 25 Mar, returning Tue, 31 Mar.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Wed, 25 Mar, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Tue, 31 Mar, arriving in Boston Logan International.Price includes taxes and charges.From 155 €, select.
Saint Thomas.156 € per passenger.Departing Mon, 23 Feb, returning Wed, 25 Feb.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Mon, 23 Feb, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Wed, 25 Feb, arriving in Boston Logan International.Price includes taxes and charges.From 156 €, select.
Saint Thomas.157 € per passenger.Departing Mon, 23 Feb, returning Thu, 5 Mar.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Mon, 23 Feb, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Thu, 5 Mar, arriving in Boston Logan International.Price includes taxes and charges.From 157 €, select.
Saint Thomas.190 € per passenger.Departing Tue, 7 Apr, returning Tue, 14 Apr.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Tue, 7 Apr, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Tue, 14 Apr, arriving in Boston Logan International.Price includes taxes and charges.From 190 €, select.
Saint Thomas.194 € per passenger.Departing Tue, 3 Mar, returning Wed, 11 Mar.Return flight with Delta.Outbound direct flight with Delta departs from Boston Logan International on Tue, 3 Mar, arriving in Cyril E. King.Inbound direct flight with Delta departs from Cyril E. King on Wed, 11 Mar, arriving in Boston Logan International.Price includes taxes and charges.From 194 €, select.
Saint Thomas.201 € per passenger.Departing Mon, 13 Apr, returning Fri, 1 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Mon, 13 Apr, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Fri, 1 May, arriving in Boston Logan International.Price includes taxes and charges.From 201 €, select.
Saint Thomas.211 € per passenger.Departing Sat, 2 May, returning Thu, 14 May.Return flight with Spirit Airlines.Outbound indirect flight with Spirit Airlines, departs from Boston Logan International on Sat, 2 May, arriving in Cyril E. King.Inbound indirect flight with Spirit Airlines, departs from Cyril E. King on Thu, 14 May, arriving in Boston Logan International.Price includes taxes and charges.From 211 €, select.

Find the cheapest month to fly from Boston to Cyril E. King

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boston to Cyril E. King flights are currently cheapest in March.
Jan
from 738 €
Feb
from 156 €
Mar
from 155 €
Apr
from 190 €
May
from 211 €
Jun
from 229 €
Jul
Find prices
Aug
from 212 €
Sep
from 386 €
Oct
from 655 €
Nov
from 795 €
Dec
from 367 €

Direct flights from Boston to Cyril E. King

Boston to Saint Thomas: Flight information

The things to know before you go.
Cheapest flight found154 €
Cheapest month to flyMarch
Average flight time4 hrs, 4 mins
Most popular airlineDelta
Average flights per week8

Finding cheap flights from Boston to Cyril E. King: Frequently asked questions

The best price we found for a return flight from Boston to Cyril E. King is 154 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 4 minutes is the average flight time from Boston to Cyril E. King.
Delta, jetBlue and TAP Air Portugal fly direct from Boston to Cyril E. King.
As of January 2026, there are 8 flights per week flying from Boston to Cyril E. King.
The cheapest month to fly from Boston to Cyril E. King is usually March.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Boston to Cyril E. King Airport on Wednesday, 25 March 2026.
Yes – the average flight time is 4 hours and 4 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Cyril E. King but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Saint Thomas is around 40 days in advance, so don’t leave your flight to the last minute.

How to find cheap flights to Saint Thomas (STT) from Boston (BOSA)in 2026

Looking for cheap tickets from Boston to Cyril E. King? Return tickets start from 154 € and one-way flights to Cyril E. King from Boston start from 75 €


Here are a few tips on how to secure the best flight price and make your journey as smooth as possible.

  • Simply hit 'search'. From British Airways to international carriers like Emirates, we compare all major airlines along with the most popular online travel agents to find the cheapest plane tickets from Boston to Cyril E. King. And with us there are no hidden fees - what you see is what you pay.
  • Compare flight deals to Saint Thomas from Boston from over 1,000 providers. Then choose the cheapest or fastest plane tickets. Flight tickets to Saint Thomas start from 75 € one-way.
  • Set up a Price Alert. You can easily track the fare of your cheap Boston-Cyril E. King flights by creating an alert. Whenever prices go down or up, you'll get an email or push notification to help make sure you get the best possible flight deal.
  • Flex your dates to find the best BOSA-STT ticket prices. If you are flexible when it comes to your travel dates, use Skyscanner's 'Whole month' tool to find the cheapest month, and even day to fly to Cyril E. King from Boston.
  • Fly without stops. Only interested in direct flights between Boston and Cyril E. King? Make sure to tick 'Direct flights only' when performing a search. If there are direct flights available on the route, these will appear in the results. Airlines that fly direct include: Delta
    jetBlue
    TAP Air Portugal
  • Find the cheapest Business class flights from Boston and Cyril E. King. We scour the internet for the best Business, Premium Economy and First Class flight fares to Saint Thomas, too. Check the difference in price as you search – you might just chance upon a last-minute low fare. Note that not all cabin classes are available for every destination or airline.
  • Include nearby airports in your search. Widen your search for Boston to Cyril E. King flight deals by selecting the "add nearby airports" option. This will allow you to see flight prices for all the nearest airports at your departure point and your destination and could help you save next time you travel.
  • Flexible on when you travel? The cheapest month to fly from Boston to Cyril E. King is March.
  • Search for cheap flights regardless of where you are. To get the best flight booking experience when out and about, download the app and search for plane tickets between Boston and Cyril E. King whenever you want.

Combine your flight to Cyril E. King from Boston with hotels and car hire

Once you've secured your cheap flight ticket from Boston to Cyril E. King, discover the best prices and exclusive rates for hotels in Saint Thomas or nearby. You can also compare hundreds of car hire companies in one go so that you get the best car hire price for your trip.


Plan the rest of your trip from Boston to Saint Thomas

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.