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Saint Thomas Island

Find cheap Southwest flights to Saint Thomas Island

RDU — STT
Aug 26 — Sep 21
Wed 8/26
Wed 9/2
1 adult, Economy
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Find Southwest flight deals to Saint Thomas Island

Cheapest Southwest flights from USA to Saint Thomas Island
Explore the most affordable Southwest flight options available from USA to Saint Thomas Island. Find the lowest fares with prices last updated on July 27, 2026.

This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:45 am
BWI
-
STT
1 stop7h 05m
Southwest
Sun 9/62:10 pm
STT
-
BWI
2 stops20h 30m
Southwest
Deal found 7/24$525
This Southwest deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/309:30 pm
BWI
-
STT
2 stops16h 20m
Southwest
Thu 9/32:35 pm
STT
-
BWI
1 stop8h 45m
Southwest
Deal found 7/24$566
This Southwest deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/218:55 pm
BOS
-
STT
2 stops16h 25m
Southwest
Fri 8/282:35 pm
STT
-
BOS
2 stops17h 25m
Southwest
Deal found 7/27$605

Flights to Saint Thomas Island with Southwest at a glance

Find detailed information about Southwest flights from USA to Saint Thomas Island. Explore the options provided by Southwest to plan your journey from USA to Saint Thomas Island. Data last updated July 27, 2026.

Popular in

June

Round-trip from

$420

One-way from

$159
Highest demand for flights to Saint Thomas Island with Southwest; 100% potential price increase.
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Southwest
  • Southwest
  • 10/29-11/2
  • 1 total stop
  • 12h 00m total
  • USA to Saint Thomas Island
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Southwest
  • Southwest
  • 8/21
  • 2 total stops
  • 16h 25m total
  • USA to Saint Thomas Island
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Cheapflights Insights

Find cheap Southwest flights to Saint Thomas Island

How long is the flight to Saint Thomas Island with Southwest?

On average, Southwest flights from the United States to Saint Thomas Island take 3 hours 52 minutes. Flights to Saint Thomas Island from other popular cities in the United States will vary in length. Below are a few examples of popular routes and their flight times.

Southwest weekly flight availability to Saint Thomas Island

The most flights to Saint Thomas Island operated by Southwest are scheduled on a Saturday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

FAQs about flights to Saint Thomas Island with Southwest

  • Which airport do Southwest flights arrive at when travelling to Saint Thomas Island?

    Southwest flights on this route tend to land at Saint Thomas Island Cyril E King Airport.

  • Is Southwest the cheapest airline for a flight to Saint Thomas Island?

    Flight prices will depend on many factors like date, time and cabin class so it is worth comparing flights before booking. Based on Cheapflights data the cheapest average return price for flights to Saint Thomas Island tends to be with Frontier.

  • Are there alternative airlines other than Southwest that fly to Saint Thomas Island?

    American Airlines, Delta and Spirit Airlines all fly to Saint Thomas Island and offer an alternative to Southwest.

  • How much is a flight to Saint Thomas Island with Southwest?

    The average price for a return flight with Southwest is $700; with a one-way flight around $327.

See more FAQs

Reviews of Southwest

See what Cheapflights users have to say about their Southwest experience.
Southwest
8.0
Very good
4,229 reviews
Overview

Food

7.0

Entertainment

7.5

Comfort

8.0

Boarding

8.1

Crew

8.6

Popular Southwest flights

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Other airports near Cyril E King

Other Saint Thomas Island travelers fly to these airports near Cyril E King.
Flights to Saint Thomas Island SPB Airport
Flights to Saint Croix Airport