Title: Cheap flights from Moline to Watertown (MLI to ATY) - Expedia.com ![First Baptist Church in Public Square in downtown Watertown, Upstate New York, USA.](https://images.trvl-media.com/place/448/46f52667-ca06-40ba-8572-2052b1f2869e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) ![](https://images.trvl-media.com/place/448/46f52667-ca06-40ba-8572-2052b1f2869e.jpg?impolicy=fcrop&w=1200&h=500&q=medium) # Cheap Flights from Moline (MLI) to Watertown (ATY) ## Popular airlines from Quad City Intl. Airport (MLI) to Watertown, SD (ATY-Watertown Regional) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg) American Airlines [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg) United [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_WN.svg) Southwest Airlines [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"WN"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg) Delta [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_F9.svg) Frontier Airlines [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"F9"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_B6.svg) JetBlue Airways [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"B6"}}]) - ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg) Alaska Airlines [](https://www.expedia.com/Flights-Search?leg1=from:MLI,to:ATY,departure:4/15/2026TANYT&leg2=from:ATY,to:MLI,departure:4/22/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}]) ## Frequently asked questions ### How much does a flight from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional) cost? ### What is the cheapest month to fly from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### Which airlines fly direct from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### What is the cheapest airline that flies from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### How do I find cheap flights from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### What is the best time to fly from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### What is the earliest flight from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### How long does it take to fly from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### Can you fly business or first class from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ### How do I earn miles on a Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional) flight with Expedia? ### What airports do you fly into for Watertown from Quad City Intl. (MLI)? ### Is it cheaper to buy a plane ticket from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional) at the last minute? ### Is it cheaper to book a Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional) flight and hotel package? ### Can I cancel or change the date of my flight from Moline, IL (MLI-Quad City Intl.) to Watertown, SD (ATY-Watertown Regional)? ## Travel information | Origin airport | Quad City Intl. | | ------------------- | ------------------ | | Destination airport | Watertown Regional | | Distance | 411 mi | ## Book with confidence # Moline to Watertown Flights The cheapest times to fly from Moline to Watertown 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 Moline to Watertown are during the month of . You can find some of the cheapest flights from Moline to Watertown with Expedia's search tool and vast selection of airlines. The best time to book a flight from Moline to Watertown Sunday is one of the best days to book for cheap flights from Moline to Watertown: 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 Moline to Watertown 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 Moline to Watertown in 2026\. You can also book with separate airlines for your outbound and return journeys, from 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 Moline to Watertown 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](https://www.expedia.com/package-deals). Bundling together your Moline to Watertown 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\. 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