$112 Cheap Flights from St. Thomas (STT) to Baltimore (BWI)

View $112 flight on Thu, May 7, 2026Opens in a new window

Popular airlines from Cyril E. King Airport (STT) to Baltimore Washington Intl. Airport (BWI)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 30% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Cheap Flights from St. Thomas to Baltimore (STT-BWI)

Prices were available within the past 7 days and start at $112 for one-way flights and $220 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Apr 16 - Tue, Apr 21
STT
St. Thomas
BWI
Baltimore
$220 Roundtrip, found 2 days ago
$220
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Apr 16 from St. Thomas to Baltimore, returning Tue, Apr 21, priced at $220 found 2 days ago
American Airlines
Fri, May 1 - Wed, May 6
STT
St. Thomas
BWI
Baltimore
$225 Roundtrip, found 3 hours ago
$225
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Fri, May 1 from St. Thomas to Baltimore, returning Wed, May 6, priced at $225 found 3 hours ago
American Airlines
Thu, Apr 16 - Tue, Apr 21
STT
St. Thomas
BWI
Baltimore
$230 Roundtrip, found 2 days ago
$230
Roundtrip
found 2 days ago
Select American Airlines flight, departing Thu, Apr 16 from St. Thomas to Baltimore, returning Tue, Apr 21, priced at $230 found 2 days ago
Southwest Airlines
Thu, Apr 16 - Sun, Apr 19
STT
St. Thomas
BWI
Baltimore
$235 Roundtrip, found 3 days ago
$235
Roundtrip
found 3 days ago
Select Southwest Airlines flight, departing Thu, Apr 16 from St. Thomas to Baltimore, returning Sun, Apr 19, priced at $235 found 3 days ago
Southwest Airlines
Wed, Apr 15 - Sun, Apr 19
STT
St. Thomas
BWI
Baltimore
$236 Roundtrip, found 1 day ago
$236
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Apr 15 from St. Thomas to Baltimore, returning Sun, Apr 19, priced at $236 found 1 day ago
American Airlines
Fri, May 15 - Mon, May 18
STT
St. Thomas
BWI
Baltimore
$236 Roundtrip, found 6 days ago
$236
Roundtrip
found 6 days ago
Select American Airlines flight, departing Fri, May 15 from St. Thomas to Baltimore, returning Mon, May 18, priced at $236 found 6 days ago
Southwest Airlines
Wed, Apr 15 - Sun, Apr 19
STT
St. Thomas
BWI
Baltimore
$240 Roundtrip, found 1 day ago
$240
Roundtrip
found 1 day ago
Select Southwest Airlines flight, departing Wed, Apr 15 from St. Thomas to Baltimore, returning Sun, Apr 19, priced at $240 found 1 day ago
United
Fri, May 15 - Mon, May 18
STT
St. Thomas
BWI
Baltimore
$262 Roundtrip, found 6 days ago
$262
Roundtrip
found 6 days ago
Select United flight, departing Fri, May 15 from St. Thomas to Baltimore, returning Mon, May 18, priced at $262 found 6 days ago
Spirit Airlines
Tue, Apr 14 - Tue, Apr 21
STT
St. Thomas
BWI
Baltimore
$269 Roundtrip, found 6 hours ago
$269
Roundtrip
found 6 hours ago
Select Spirit Airlines flight, departing Tue, Apr 14 from St. Thomas to Baltimore, returning Tue, Apr 21, priced at $269 found 6 hours ago
Delta
Tue, Mar 31 - Tue, Apr 7
STT
St. Thomas
BWI
Baltimore
$273 Roundtrip, found 6 days ago
$273
Roundtrip
found 6 days ago
Select Delta flight, departing Tue, Mar 31 from St. Thomas to Baltimore, returning Tue, Apr 7, priced at $273 found 6 days ago

The Annual Vacation Sale

Members save up to 40% on hotels and homes. Plan this year’s big trip and save.
Book now

Alternative airports near Baltimore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Average driving time to city center is 57 minutes. Flights from $1,071
DCA
Ronald Reagan Washington National
Average driving time to city center57 min
Flights from $1,071

Find the cheapest month to fly from St. Thomas (STT) to Baltimore (BWI)

March is typically the cheapest month to fly

From $174 - $637 per traveler.

Frequently asked questions

How much does a flight from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) cost?
You can find cheap one-way flights from $112 and cheap return flights from $220 St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) with Expedia. One-way flights generally range between $149 and $990, and roundtrip flights usually range from $294 to $2022. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
January is the cheapest month to fly from St. Thomas (STT) to Baltimore (BWI), with average round-trip fares around $309. This price is about 36% lower than the average fare throughout the year, as demand typically drops after the holiday season. Other budget-friendly months to consider are April and December.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Enter STT to BWI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Southwest Airlines is one of the cheapest airlines offering nonstop flights from Cyril E. King (STT) to Baltimore Washington Intl. Thurgood Marshall (BWI), with round-trip tickets starting from around $980. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
How do I find cheap flights from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
To find a cheap flight from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The best airline to fly with from St. Thomas (STT) to Baltimore, MD (BWI) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from St. Thomas to Baltimore, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
For flights from St. Thomas (STT) to Baltimore (BWI), January and December are the best months to travel. You can find return flights for about $309. January is particularly appealing as it follows the holiday season, while December offers festive activities in both locations.*Prices based on flights available on Expedia in the last year.
How many flights per day from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
On average, there are around 1 nonstop flights per day from Cyril E. King (STT) to Baltimore Washington Intl. Thurgood Marshall (BWI). For more options, look at flights that include layovers.
What is the earliest flight from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The earliest flight from St. Thomas (STT) to Baltimore, MD (BWI) usually departs at 7:00 AM, operated by 9K and American Airlines. This seasonal service is active in April, helping you get an early start on your travels. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
The most popular departure times for flights from Cyril E. King Airport (STT) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are from 12pm to 3pm. About 48% of passengers prefer this time window. Many major carriers, including American Airlines, Delta, and Spirit Airlines, offer flights during this window. This timing works well because it allows you to enjoy a leisurely morning in St. Thomas before heading to the airport.
How long does it take to fly from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
Flying nonstop from STT to BWI takes around 4 hours 30 minutes, with the route covering approximately 1,602 miles. Flights with a layover typically take 5 hours longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
First class is available on flights from STT to BWI. First class cabins are available on:

  • Spirit Airlines
  • Delta Air Lines
  • United Airlines

How do I earn miles on a St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight with Expedia?
It's easy to earn miles on a St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Baltimore from Cyril E. King (STT)?
If you're planning to travel to Baltimore from Cyril E. King (STT), you can fly into Baltimore Washington Intl. Thurgood Marshall (BWI) Some flights may connect through major hubs like Washington Dulles Intl. (IAD), Luis Munoz Marin Intl. (SJU), Liberty Intl. (EWR) before reaching Baltimore. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) at the last minute?
Typically, booking a last minute flight from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight and hotel package?
Securing a St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) Baltimore Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall)?
If you booked your St. Thomas (STT-Cyril E. King) to Baltimore, MD (BWI-Baltimore Washington Intl. Thurgood Marshall) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket 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, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cyril E. King
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Airlines serving
American Airlines, Delta, Southwest Airlines, Spirit Airlines, United
Roundtrip price
$220
Distance
1601 mi
Average flight time
4 hours 30 mins

Book with confidence

St. Thomas to Baltimore Flights

The cheapest times to fly from St. Thomas to Baltimore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from St. Thomas to Baltimore are during the month of April. You can find some of the cheapest flights from St. Thomas to Baltimore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from St. Thomas to Baltimore

Sunday is one of the best days to book for cheap flights from St. Thomas to Baltimore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from St. Thomas to Baltimore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from St. Thomas to Baltimore in 2026. You can also book with separate airlines for your outbound and return journeys, from $112 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap St. Thomas to Baltimore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your St. Thomas to Baltimore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

St. Thomas to Baltimore Flights

*Flight schedules are subject to change.

Explore a world of travel with Expedia

*Available to One Key members.