Title: Cheap Flights from Watertown (ATY) to St. Thomas (STT) - Expedia.ca ![](https://images.trvl-media.com/place/6140138/57cc4b04-8c90-4cee-a0ef-1a113eaebf69.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/6140138/57cc4b04-8c90-4cee-a0ef-1a113eaebf69.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Watertown (ATY) to St. Thomas (STT) - [Roundtrip](?flightType=roundtrip) - [One-way](?flightType=oneway) - [Multi-city](?flightType=multicity) ### Travellers Adults ChildrenAges 2 to 17 InfantsYounger than 2 EconomyPremium economyBusiness classFirst class Leaving from Going to Departing Returning Add a place to stay Add a car Direct flights only ## Popular airlines from Watertown, SD (ATY-Watertown Regional) to Cyril E. King Airport (STT) - ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg) Air Canada [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}]) - ![WestJet](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WS.svg) WestJet [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WS"}}]) - ![Flair Airlines](https://a.travel-assets.com/air/airlines/f8_sq.svg) Flair Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F8"}}]) - ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![Porter Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_PD.svg) Porter Airlines [](https://www.expedia.ca/Flights-Search?leg1=from:aty,to:stt,departure:23/11/2025TANYT&leg2=from:stt,to:aty,departure:30/11/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"PD"}}]) - ![notification illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__notification.svg) ### Be in the know Get alerts if flight prices drop or rise\* - ![deals illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__deals.svg) ### Book smarter Save up to 30% on select hotels after you book a flight\* - ![trophy illustration](https://a.travel-assets.com/travel-assets-manager/pictogram-bex/light__trophy.svg) ### Earn twice Earn your airline miles on top of our rewards [Sign in](https://www.expedia.ca/login) Flight from Watertown to St. Thomas (ATY - STT) route information | Origin airport | Watertown Regional | | --- | --- | | Destination airport | Cyril E. King | | Distance | 4170 km | ## Watertown to St. Thomas Flights **The easy way to book your flights from Watertown to St. Thomas**  With Expedia, it’s simple to find and book flights to St. Thomas from Watertown whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Cyril E. King, too.   Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Watertown to St. Thomas today, tomorrow, or this week.   **Save dollars with cheap flights from Watertown Regional, ATY to Cyril E. King, STT**  Sort your search results by price to find great deals on your flight from Watertown to St. Thomas—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Thomas from Watertown currently is just rising to .   Here are more money-saving tips:  - Fly in when flight prices are normally at their lowest  - Book about a month to 6 weeks before you travel for the best prices to St. Thomas   - Avoid peak season and weekends when flights can cost more - Early morning and late-night flights are sometimes cheaper, so try varying your travel times  - One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free!  **Reasons to choose Expedia for your flight to St. Thomas from Watertown**  Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Thomas with Expedia today. ## Frequently asked questions ### How much is a flight from Watertown Regional Airport to Cyril E. King Airport? > The lowest price advertised for a round-trip journey between Watertown Regional Airport and STT is . But you better get a move on. This figure is taken from fares offered within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply. ### Do I need to pay a cancellation fee if I cancel my flight from Watertown Regional Airport (ATY) to STT? > We get that circumstances change unexpectedly, so we've made it as hassle-free as possible for you to cancel your flight online. Just visit the [Customer Service Portal](https://www.expedia.ca/helpcenter) and follow the instructions. ### How do I find cheap flights from ATY to Cyril E. King Airport (STT) that have flexible change policies? > Flights from Watertown Regional Airport to STT with flexible change policies are available from several airlines. Simply use our "No change fees" filter during your search. You'll only need to pay the fare difference, without any additional fees to worry about. ### How far is the flight from Watertown Regional Airport to Cyril E. King Airport? > With a flight distance of 4,200 kilometres between Watertown and St. Thomas, this is a long flight. Remember to drink lots of water and move your legs every now and then. ### Which airlines fly direct from ATY to Cyril E. King Airport (STT)? > Direct flights aren't available, so you'll need to make at least one stop between Watertown Regional Airport and Cyril E. King Airport. Make the most of the layover time to stretch your legs and freshen up. ### Are Watertown Regional Airport to STT flight tickets cheaper when they're purchased at the last minute? > Flight prices are always on the move, so there are no guarantees. While last-minute deals between ATY and STT are possible, it also makes sense to keep an eye on prices well before you fly. In fact, some carriers advertise their prices up to 12 months before the departure date. Expedia is continuously updating the best airfare bargains around, so keep checking back and be ready to book when the price is right. ## Explore a world of travel with Expedia \*Available to Expedia members.