$203 Cheap Flights from Watertown (ATY) to Los Angeles (LAX)

Popular airlines from Watertown, SD (ATY-Watertown Regional) to Los Angeles Intl. (LAX)

Find available prices by choosing your travel dates.

Cheap Flights from Watertown to Los Angeles (ATY-LAX)

Prices were available within the past 7 days and start at $203 for one-way flights and $334 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
United
KEY LIME AIR DBA DENVER AIR CONNECTION
United
KEY LIME AIR DBA DENVER AIR CONNECTION
KEY LIME AIR DBA DENVER AIR CONNECTION
KEY LIME AIR DBA DENVER AIR CONNECTION
United
KEY LIME AIR DBA DENVER AIR CONNECTION
KEY LIME AIR DBA DENVER AIR CONNECTION
Flights from Watertown (ATY) to Los Angeles (LAX)
Origin airport
Watertown Regional
Destination airport
Los Angeles Intl.
Airlines serving
United
Roundtrip price
$333
Distance
1357 mi

Watertown to Los Angeles Flights

The cheapest times to fly from Watertown to Los Angeles

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 Watertown to Los Angeles are during the month of August. You can find some of the cheapest flights from Watertown to Los Angeles with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Watertown to Los Angeles

Sunday is one of the best days to book for cheap flights from Watertown to Los Angeles: 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 Watertown to Los Angeles

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 Watertown to Los Angeles in 2025. You can also book with separate airlines for your outbound and return journeys, from $203 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 Watertown to Los Angeles 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 Watertown to Los Angeles 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.

Frequently asked questions

Is it cheaper to buy a plane ticket from Watertown Regional Airport (ATY) to Los Angeles Intl. Airport (LAX) last minute?
Booking your trip from ATY to Los Angeles Intl. Airport (LAX) last minute could save you a tidy sum if you stumble on a terrific deal. However, tickets usually don’t come down in price closer to the departure date. If you choose to wait, flights could also be booked out or the best seats taken (because who wants the middle seat?). If you don’t want to risk it, book well in advance of the date you want to leave. In fact, Expedia has some of the biggest deals up to 12 months in advance. If your preferred airline hasn’t released tickets yet, check back regularly as offers are updated on Expedia constantly.
What airports do you fly into for Los Angeles from Watertown?
With Los Angeles Intl. Airport (LAX), Long Beach Municipal Airport (LGB) and Bob Hope Airport (BUR) to choose from, getting from Watertown to Los Angeles is a piece of cake. The city’s major hub, Los Angeles Intl. Airport (LAX), is about 11 mi southwest of the center. Apart from the price of tickets, consider things like transportation options from the airport and the distance to your hotel when deciding where to land. Get your Los Angeles trip off to an exciting start by discovering University of Southern California and TCL Chinese Theatre.
Can I change the date of my flight from Watertown Regional Airport (ATY) to Los Angeles Intl. Airport (LAX)?
It’s a piece of cake to make changes to your Watertown Regional Airport (ATY) to LAX journey yourself. Simply log in to the Expedia Trips portal and tap “change flight.” Look for new flights and lock in the one that works best with your plans. You’ll get an estimate of your flight change cost, if applicable. Alternatively, use our Customer Service portal to chat to our Virtual Agent and get answers to your questions.

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*Available to One Key members.