$311 Cheap Flights from Waterloo (ALO) to Las Vegas (LAS)

View $311 flight on Fri, Apr 10, 2026Opens in a new window

Popular airlines from Waterloo, IA (ALO-Waterloo Regional) to Harry Reid Intl. Airport (LAS)

Cheap Flights from Waterloo to Las Vegas (ALO-LAS)

Prices were available within the past 7 days and start at $311 for one-way flights and $274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Feb 11 - Tue, Feb 17
ALO
Waterloo
LAS
Las Vegas
$274 Roundtrip, found 3 days ago
$274
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Feb 11 from Waterloo to Las Vegas, returning Tue, Feb 17, priced at $274 found 3 days ago
American Airlines
Wed, Feb 11 - Tue, Feb 17
ALO
Waterloo
LAS
Las Vegas
$314 Roundtrip, found 3 days ago
$314
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Feb 11 from Waterloo to Las Vegas, returning Tue, Feb 17, priced at $314 found 3 days ago
American Airlines
Tue, Jan 20 - Mon, Jan 26
ALO
Waterloo
LAS
Las Vegas
$319 Roundtrip, found 12 hours ago
$319
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Tue, Jan 20 from Waterloo to Las Vegas, returning Mon, Jan 26, priced at $319 found 12 hours ago
American Airlines
Fri, Dec 19 - Mon, Dec 22
ALO
Waterloo
LAS
Las Vegas
$344 Roundtrip, found 6 hours ago
$344
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Fri, Dec 19 from Waterloo to Las Vegas, returning Mon, Dec 22, priced at $344 found 6 hours ago
American Airlines
Wed, Feb 18 - Wed, Feb 25
ALO
Waterloo
LAS
Las Vegas
$349 Roundtrip, found 3 hours ago
$349
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Wed, Feb 18 from Waterloo to Las Vegas, returning Wed, Feb 25, priced at $349 found 3 hours ago
American Airlines
Sat, Feb 21 - Wed, Feb 25
ALO
Waterloo
LAS
Las Vegas
$354 Roundtrip, found 3 hours ago
$354
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Feb 21 from Waterloo to Las Vegas, returning Wed, Feb 25, priced at $354 found 3 hours ago
American Airlines
Sat, Feb 21 - Tue, Feb 24
ALO
Waterloo
LAS
Las Vegas
$359 Roundtrip, found 3 hours ago
$359
Roundtrip
found 3 hours ago
Select American Airlines flight, departing Sat, Feb 21 from Waterloo to Las Vegas, returning Tue, Feb 24, priced at $359 found 3 hours ago
American Airlines
Wed, Dec 17 - Thu, Dec 25
ALO
Waterloo
LAS
Las Vegas
$384 Roundtrip, found 1 day ago
$384
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Waterloo to Las Vegas, returning Thu, Dec 25, priced at $384 found 1 day ago
American Airlines
Wed, Dec 17 - Wed, Dec 24
ALO
Waterloo
LAS
Las Vegas
$389 Roundtrip, found 1 day ago
$389
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Dec 17 from Waterloo to Las Vegas, returning Wed, Dec 24, priced at $389 found 1 day ago
American Airlines
Wed, Dec 31 - Mon, Jan 5
ALO
Waterloo
LAS
Las Vegas
$398 Roundtrip, found 2 days ago
$398
Roundtrip
found 2 days ago
Select American Airlines flight, departing Wed, Dec 31 from Waterloo to Las Vegas, returning Mon, Jan 5, priced at $398 found 2 days ago

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Alternative airports near Las Vegas

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

Select flight to McCarran Intl. LAS. Cheapest and Closest option available. Average driving time to city center is 6 minutes. Flights from $384
LAS
McCarran Intl.
CheapestClosest
Average driving time to city center6 min
Flights from $384
Flights from Waterloo (ALO) to Las Vegas (LAS)
Origin airport
Waterloo Regional
Destination airport
Harry Reid Intl.
Airlines serving
American Airlines
Roundtrip price
$274
Distance
1290 mi

Waterloo to Las Vegas Flights

The cheapest times to fly from Waterloo to Las Vegas

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 Waterloo to Las Vegas are during the month of February. You can find some of the cheapest flights from Waterloo to Las Vegas with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Waterloo to Las Vegas

Sunday is one of the best days to book for cheap flights from Waterloo to Las Vegas: 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 Waterloo to Las Vegas

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 Waterloo to Las Vegas in 2026. You can also book with separate airlines for your outbound and return journeys, from $311 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 Waterloo to Las Vegas 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 Waterloo to Las Vegas 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

How much does a flight from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS) cost?
Lock in a cheap one-way flight from $311 or cheap return flight from $274 from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS)?
Planning your getaway for February can help you save, as it's the cheapest month for flights between ALO and LAS. You'll often find the lowest prices during the off-season.
Which airlines fly direct from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS)?
There are no direct routes from Waterloo, IA (ALO-Waterloo Regional) to Harry Reid Intl. Airport (LAS). However, you'll find other airports that offer nonstop flights. Begin your journey at Eastern Iowa Airport (CID) and head straight to Las Vegas without layovers.
What is the cheapest airline that flies from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS)?
To find the cheapest airline flying from ALO to LAS, use Expedia's filter tool. Customize your search based on what's important to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS)?
You'll need to hop on a flight with a layover if you're traveling from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS). There are no daily direct flights on this route. However, just filter your search to include one or two stops to find an option that works for you.
What day of the week has the most flights from ALO to LAS?
Typically you'll find the most flight options available on a Friday. Tuesdays tend to be the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS)?
To avoid potential delays on the Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS) route, aim to fly before 3 PM. Later flights have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS) last-minute?
Booking your plane ticket from ALO to LAS right before your getaway is usually more expensive. However, if there's some wiggle room with your departure dates and times, you could land a cheap last-minute fare.
Is it cheaper to book an ALO to LAS flight and hotel package?
You'll typically save money by booking an ALO to LAS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. After choosing your preferred accommodations and flights, consider adding extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Waterloo Regional Airport (ALO) to Harry Reid Intl. Airport (LAS)?
Usually, it's possible to reschedule or cancel your ALO to LAS flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.