$178 Cheap Delta flights Boston (BOS) to St. Thomas (STT)

View $178 flight on Sun, Jan 4, 2026Opens in a new window

$178 Cheap Delta flights Boston (BOS) to St. Thomas (STT)

Prices were available within the past 7 days and start at $178 for one-way flights and $345 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, Jan 5 - Fri, Jan 9
BOS
Boston
STT
St. Thomas
$345 Roundtrip, found 3 days ago
$345
Roundtrip
found 3 days ago
Select Delta flight, departing Mon, Jan 5 from Boston to St. Thomas, returning Fri, Jan 9, priced at $345 found 3 days ago
Flights from Boston (BOS) to St. Thomas (STT)
Origin airport
Logan Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, Delta, JetBlue Airways, Spirit Airlines, United
Popular airline
JetBlue Airways
Distance
1697 mi
Average flight time
3 hours 5 mins

Frequently asked questions

How much is a Delta Air Lines flight from Logan Intl. Airport (BOS) to Cyril E. King Airport (STT)?
Make use of the "Price (lowest to highest)" filter on Expedia to look for cheap Delta Air Lines round-trip flights from $345 from BOS to STT. Affordable one-way fares from $178 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from BOS to STT with Delta Air Lines?
Delta Air Lines flights to St. Thomas are usually more affordable in the quieter months of September and October. Whether you need a return or one-way ticket, you could find a better deal then.
What is the cheapest time to book flights from Logan Intl. Airport (BOS) to Cyril E. King Airport (STT) with Delta Air Lines?
Check for Delta Air Lines flights from BOS to STT about one month before you want to go. The most affordable time to reserve an international flight is usually 18 to 29 days ahead of your departure date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Logan Intl. Airport (BOS) to Cyril E. King Airport (STT)?
Enter your dates, press search and check the "Nonstop" filter on Expedia to find any direct flights from BOS to STT with Delta Air Lines or another airline.
What is the earliest Delta Air Lines flight from BOS to STT?
Find Delta Air Lines's earliest flights from BOS to STT by selecting our "Morning" and "Early Morning" filters. Not only will you get to your destination sooner, early departures are also 20% less likely to be canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in St. Thomas?
Board a Delta Air Lines flight from Logan Intl. Airport (BOS) to St. Thomas, and you'll probably come in to Cyril E. King Airport (STT). This is the airline's main hub here.
Why fly with Delta Air Lines from BOS to STT?
Offering an excellent in-flight experience and a rewarding loyalty program, Delta Air Lines is a popular option for many passengers heading from BOS to STT. Also, if you're a Delta SkyMiles and One Key™ member booking with Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which can be used on future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Logan Intl. Airport (BOS) to Cyril E. King Airport (STT)?
Changes are generally free within 24 hours of making your booking, but your airline may charge a fee after that. For more details about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to update your itinerary without extra charges, tick the "Changes included" and "No cancel fee" filters when planning your next getaway.

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*Available to One Key members.