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$150 Cheap United flights Baltimore (BWI) to St. Thomas (STT)

Prices were available within the past 7 days and start at $150 for one-way flights and $363 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United

Frequently asked questions

How much is a United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Cyril E. King Airport (STT)?
You can discover budget-friendly return United Airlines flights from $363 from BWI to STT by filtering your results from "Price (lowest to highest)" on Expedia. Or search for deals from $150 for a one-way journey.**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 BWI to STT with United Airlines?
September is one of the cheapest months to jet off to St. Thomas with United Airlines. You could also find great prices on one-way and return fares in October.
What is the cheapest time to book flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Cyril E. King Airport (STT) with United Airlines?
To grab affordable flights from BWI to STT with United Airlines, begin your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another useful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**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 United Airlines fly nonstop from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Cyril E. King Airport (STT)?
To find out if there's a direct trip from BWI to STT with United Airlines or other carriers, check the "Nonstop" box when browsing for tickets.
What is the earliest United Airlines flight from BWI to STT?
Filter your results by "Early Morning" and "Morning" to find the earliest flights from BWI to STT. Leaving early means you're less likely to experience cancellations.**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 United Airlines fly into in St. Thomas?
United Airlines flights from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to St. Thomas land at Cyril E. King Airport (STT). This is the main entry point to this city.
Why fly with United Airlines from BWI to STT?
With a rewarding loyalty program, United Airlines is a top pick for many passengers flying from BWI to STT. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles.*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 United Airlines flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Cyril E. King Airport (STT)?
Depending on your ticket type, a fee will generally apply if you cancel or change your booking more than 24 hours after it's been confirmed. To secure plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. For more details on canceling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."
*Available to One Key members.