$144 Cheap United flights Detroit (DTW) to Las Vegas (LAS)

View $144 flight on Tue, Jan 20, 2026Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon

    Be in the know

    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • one key icon

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

$144 Cheap United flights Detroit (DTW) to Las Vegas (LAS)

Prices were available within the past 7 days and start at $144 for one-way flights and $256 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Jan 14 - Wed, Feb 11
DTW
Detroit
LAS
Las Vegas
$256 Roundtrip, found 5 days ago
$256
Roundtrip
found 5 days ago
Select United flight, departing Wed, Jan 14 from Detroit to Las Vegas, returning Wed, Feb 11, priced at $256 found 5 days ago
Flights from Detroit (DTW) to Las Vegas (LAS)
Origin airport
Detroit Metropolitan Wayne County
Destination airport
Harry Reid Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, JetBlue Airways, Southwest Airlines, Spirit Airlines, Sun Country Airlines, United
Popular airline
Spirit Airlines
Distance
1744 mi
Average flight time
1 hour 12 mins

Frequently asked questions

How much is a United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to Harry Reid Intl. Airport (LAS)?
Scoring cheap one-way United Airlines flights from DTW to LAS from $144 on Expedia is easy — just filter by "Price (lowest to highest)." Alternatively, check out our budget-friendly round-trip fares from $256 for your next exciting adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from DTW to LAS with United Airlines?
January is one of the least expensive months to jet off to Las Vegas with United Airlines. You could also find great prices on one-way and round-trip tickets in June.
What is the cheapest time to book flights from Detroit Metropolitan Wayne County Airport (DTW) to Harry Reid Intl. Airport (LAS) with United Airlines?
Begin your search one to three months ahead of your departure date to get cheap fares on United Airlines flights from Detroit Metropolitan Wayne County Airport (DTW) to Harry Reid Intl. Airport (LAS). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Detroit Metropolitan Wayne County Airport (DTW) to Harry Reid Intl. Airport (LAS)?
Enter your dates, press search and check the "Nonstop" filter on Expedia to find any direct flights from DTW to LAS with United Airlines or another airline.
What is the earliest United Airlines flight from DTW to LAS?
Browse United Airlines's earliest flights from DTW to LAS by checking the "Early Morning" and "Morning" filters. Not only will you arrive sooner, early departures also have a 20% less chance of being canceled.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Las Vegas?
Hop on a United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to Las Vegas, and you'll probably come in to Harry Reid Intl. Airport (LAS). This is the airline's primary hub here.
Why fly with United Airlines from DTW to LAS?
A rewarding loyalty program and the ability to rack up points through United Mileage Plus are the start of the reasons to travel from DTW to LAS with United Airlines. Plus, when you sign up to our One Key™ program, you can receive OneKeyCash™* in addition to any airline loyalty program earnings. You can put it toward your future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my United Airlines flight from Detroit Metropolitan Wayne County Airport (DTW) to Harry Reid Intl. Airport (LAS)?
Changes are typically free within 24 hours of making a booking, but your airline may add a charge after that. For more information about modifying your flights, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to make changes without additional costs, apply the "Changes included" and "No cancel fee" filters when organizing your next trip.

Explore a world of travel with Expedia

*Available to One Key members.